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i < str.length; i++) {\r\n        var c = str.charCodeAt(i);\r\n        if (c < 128) {\r\n            out[p++] = c;\r\n        }\r\n        else if (c < 2048) {\r\n            out[p++] = (c >> 6) | 192;\r\n            out[p++] = (c & 63) | 128;\r\n        }\r\n        else if ((c & 0xfc00) === 0xd800 &&\r\n            i + 1 < str.length &&\r\n            (str.charCodeAt(i + 1) & 0xfc00) === 0xdc00) {\r\n            // Surrogate Pair\r\n            c = 0x10000 + ((c & 0x03ff) << 10) + (str.charCodeAt(++i) & 0x03ff);\r\n            out[p++] = (c >> 18) | 240;\r\n            out[p++] = ((c >> 12) & 63) | 128;\r\n            out[p++] = ((c >> 6) & 63) | 128;\r\n            out[p++] = (c & 63) | 128;\r\n        }\r\n        else {\r\n            out[p++] = (c >> 12) | 224;\r\n            out[p++] = ((c >> 6) & 63) | 128;\r\n            out[p++] = (c & 63) | 128;\r\n        }\r\n    }\r\n    return out;\r\n};\r\n/**\r\n * Turns an array of numbers into the string given by the concatenation of the\r\n * characters to which the numbers correspond.\r\n * @param bytes Array of numbers representing characters.\r\n * @return Stringification of the array.\r\n */\r\nvar byteArrayToString = function (bytes) {\r\n    // TODO(user): Use native implementations if/when available\r\n    var out = [];\r\n    var pos = 0, c = 0;\r\n    while (pos < bytes.length) {\r\n        var c1 = bytes[pos++];\r\n        if (c1 < 128) {\r\n            out[c++] = String.fromCharCode(c1);\r\n        }\r\n        else if (c1 > 191 && c1 < 224) {\r\n            var c2 = bytes[pos++];\r\n            out[c++] = String.fromCharCode(((c1 & 31) << 6) | (c2 & 63));\r\n        }\r\n        else if (c1 > 239 && c1 < 365) {\r\n            // Surrogate Pair\r\n            var c2 = bytes[pos++];\r\n            var c3 = bytes[pos++];\r\n            var c4 = bytes[pos++];\r\n            var u = (((c1 & 7) << 18) | ((c2 & 63) << 12) | ((c3 & 63) << 6) | (c4 & 63)) -\r\n                0x10000;\r\n            out[c++] = String.fromCharCode(0xd800 + (u >> 10));\r\n            out[c++] = String.fromCharCode(0xdc00 + (u & 1023));\r\n        }\r\n        else {\r\n            var c2 = bytes[pos++];\r\n            var c3 = bytes[pos++];\r\n            out[c++] = String.fromCharCode(((c1 & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));\r\n        }\r\n    }\r\n    return out.join('');\r\n};\r\n// We define it as an object literal instead of a class because a class compiled down to es5 can't\r\n// be treeshaked. https://github.com/rollup/rollup/issues/1691\r\n// Static lookup maps, lazily populated by init_()\r\nvar base64 = {\r\n    /**\r\n     * Maps bytes to characters.\r\n     */\r\n    byteToCharMap_: null,\r\n    /**\r\n     * Maps characters to bytes.\r\n     */\r\n    charToByteMap_: null,\r\n    /**\r\n     * Maps bytes to websafe characters.\r\n     * @private\r\n     */\r\n    byteToCharMapWebSafe_: null,\r\n    /**\r\n     * Maps websafe characters to bytes.\r\n     * @private\r\n     */\r\n    charToByteMapWebSafe_: null,\r\n    /**\r\n     * Our default alphabet, shared between\r\n     * ENCODED_VALS and ENCODED_VALS_WEBSAFE\r\n     */\r\n    ENCODED_VALS_BASE: 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' + 'abcdefghijklmnopqrstuvwxyz' + '0123456789',\r\n    /**\r\n     * Our default alphabet. Value 64 (=) is special; it means \"nothing.\"\r\n     */\r\n    get ENCODED_VALS() {\r\n        return this.ENCODED_VALS_BASE + '+/=';\r\n    },\r\n    /**\r\n     * Our websafe alphabet.\r\n     */\r\n    get ENCODED_VALS_WEBSAFE() {\r\n        return this.ENCODED_VALS_BASE + '-_.';\r\n    },\r\n    /**\r\n     * Whether this browser supports the atob and btoa functions. This extension\r\n     * started at Mozilla but is now implemented by many browsers. We use the\r\n     * ASSUME_* variables to avoid pulling in the full useragent detection library\r\n     * but still allowing the standard per-browser compilations.\r\n     *\r\n     */\r\n    HAS_NATIVE_SUPPORT: typeof atob === 'function',\r\n    /**\r\n     * Base64-encode an array of bytes.\r\n     *\r\n     * @param input An array of bytes (numbers with\r\n     *     value in [0, 255]) to encode.\r\n     * @param webSafe Boolean indicating we should use the\r\n     *     alternative alphabet.\r\n     * @return The base64 encoded string.\r\n     */\r\n    encodeByteArray: function (input, webSafe) {\r\n        if (!Array.isArray(input)) {\r\n            throw Error('encodeByteArray takes an array as a parameter');\r\n        }\r\n        this.init_();\r\n        var byteToCharMap = webSafe\r\n            ? this.byteToCharMapWebSafe_\r\n            : this.byteToCharMap_;\r\n        var output = [];\r\n        for (var i = 0; i < input.length; i += 3) {\r\n            var byte1 = input[i];\r\n            var haveByte2 = i + 1 < input.length;\r\n            var byte2 = haveByte2 ? input[i + 1] : 0;\r\n            var haveByte3 = i + 2 < input.length;\r\n            var byte3 = haveByte3 ? input[i + 2] : 0;\r\n            var outByte1 = byte1 >> 2;\r\n            var outByte2 = ((byte1 & 0x03) << 4) | (byte2 >> 4);\r\n            var outByte3 = ((byte2 & 0x0f) << 2) | (byte3 >> 6);\r\n            var outByte4 = byte3 & 0x3f;\r\n            if (!haveByte3) {\r\n                outByte4 = 64;\r\n                if (!haveByte2) {\r\n                    outByte3 = 64;\r\n                }\r\n            }\r\n            output.push(byteToCharMap[outByte1], byteToCharMap[outByte2], byteToCharMap[outByte3], byteToCharMap[outByte4]);\r\n        }\r\n        return output.join('');\r\n    },\r\n    /**\r\n     * Base64-encode a string.\r\n     *\r\n     * @param input A string to encode.\r\n     * @param webSafe If true, we should use the\r\n     *     alternative alphabet.\r\n     * @return The base64 encoded string.\r\n     */\r\n    encodeString: function (input, webSafe) {\r\n        // Shortcut for Mozilla browsers that implement\r\n        // a native base64 encoder in the form of \"btoa/atob\"\r\n        if (this.HAS_NATIVE_SUPPORT && !webSafe) {\r\n            return btoa(input);\r\n        }\r\n        return this.encodeByteArray(stringToByteArray(input), webSafe);\r\n    },\r\n    /**\r\n     * Base64-decode a string.\r\n     *\r\n     * @param input to decode.\r\n     * @param webSafe True if we should use the\r\n     *     alternative alphabet.\r\n     * @return string representing the decoded value.\r\n     */\r\n    decodeString: function (input, webSafe) {\r\n        // Shortcut for Mozilla browsers that implement\r\n        // a native base64 encoder in the form of \"btoa/atob\"\r\n        if (this.HAS_NATIVE_SUPPORT && !webSafe) {\r\n            return atob(input);\r\n        }\r\n        return byteArrayToString(this.decodeStringToByteArray(input, webSafe));\r\n    },\r\n    /**\r\n     * Base64-decode a string.\r\n     *\r\n     * In base-64 decoding, groups of four characters are converted into three\r\n     * bytes.  If the encoder did not apply padding, the input length may not\r\n     * be a multiple of 4.\r\n     *\r\n     * In this case, the last group will have fewer than 4 characters, and\r\n     * padding will be inferred.  If the group has one or two characters, it decodes\r\n     * to one byte.  If the group has three characters, it decodes to two bytes.\r\n     *\r\n     * @param input Input to decode.\r\n     * @param webSafe True if we should use the web-safe alphabet.\r\n     * @return bytes representing the decoded value.\r\n     */\r\n    decodeStringToByteArray: function (input, webSafe) {\r\n        this.init_();\r\n        var charToByteMap = webSafe\r\n            ? this.charToByteMapWebSafe_\r\n            : this.charToByteMap_;\r\n        var output = [];\r\n        for (var i = 0; i < input.length;) {\r\n            var byte1 = charToByteMap[input.charAt(i++)];\r\n            var haveByte2 = i < input.length;\r\n            var byte2 = haveByte2 ? charToByteMap[input.charAt(i)] : 0;\r\n            ++i;\r\n            var haveByte3 = i < input.length;\r\n            var byte3 = haveByte3 ? charToByteMap[input.charAt(i)] : 64;\r\n            ++i;\r\n            var haveByte4 = i < input.length;\r\n            var byte4 = haveByte4 ? charToByteMap[input.charAt(i)] : 64;\r\n            ++i;\r\n            if (byte1 == null || byte2 == null || byte3 == null || byte4 == null) {\r\n                throw Error();\r\n            }\r\n            var outByte1 = (byte1 << 2) | (byte2 >> 4);\r\n            output.push(outByte1);\r\n            if (byte3 !== 64) {\r\n                var outByte2 = ((byte2 << 4) & 0xf0) | (byte3 >> 2);\r\n                output.push(outByte2);\r\n                if (byte4 !== 64) {\r\n                    var outByte3 = ((byte3 << 6) & 0xc0) | byte4;\r\n                    output.push(outByte3);\r\n                }\r\n            }\r\n        }\r\n        return output;\r\n    },\r\n    /**\r\n     * Lazy static initialization function. Called before\r\n     * accessing any of the static map variables.\r\n     * @private\r\n     */\r\n    init_: function () {\r\n        if (!this.byteToCharMap_) {\r\n            this.byteToCharMap_ = {};\r\n            this.charToByteMap_ = {};\r\n            this.byteToCharMapWebSafe_ = {};\r\n            this.charToByteMapWebSafe_ = {};\r\n            // We want quick mappings back and forth, so we precompute two maps.\r\n            for (var i = 0; i < this.ENCODED_VALS.length; i++) {\r\n                this.byteToCharMap_[i] = this.ENCODED_VALS.charAt(i);\r\n                this.charToByteMap_[this.byteToCharMap_[i]] = i;\r\n                this.byteToCharMapWebSafe_[i] = this.ENCODED_VALS_WEBSAFE.charAt(i);\r\n                this.charToByteMapWebSafe_[this.byteToCharMapWebSafe_[i]] = i;\r\n                // Be forgiving when decoding and correctly decode both encodings.\r\n                if (i >= this.ENCODED_VALS_BASE.length) {\r\n                    this.charToByteMap_[this.ENCODED_VALS_WEBSAFE.charAt(i)] = i;\r\n                    this.charToByteMapWebSafe_[this.ENCODED_VALS.charAt(i)] = i;\r\n                }\r\n            }\r\n        }\r\n    }\r\n};\r\n/**\r\n * URL-safe base64 encoding\r\n */\r\nvar base64Encode = function (str) {\r\n    var utf8Bytes = stringToByteArray(str);\r\n    return base64.encodeByteArray(utf8Bytes, true);\r\n};\r\n/**\r\n * URL-safe base64 decoding\r\n *\r\n * NOTE: DO NOT use the global atob() function - it does NOT support the\r\n * base64Url variant encoding.\r\n *\r\n * @param str To be decoded\r\n * @return Decoded result, if possible\r\n */\r\nvar base64Decode = function (str) {\r\n    try {\r\n        return base64.decodeString(str, true);\r\n    }\r\n    catch (e) {\r\n        console.error('base64Decode failed: ', e);\r\n    }\r\n    return null;\r\n};\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * Do a deep-copy of basic JavaScript Objects or Arrays.\r\n */\r\nfunction deepCopy(value) {\r\n    return deepExtend(undefined, value);\r\n}\r\n/**\r\n * Copy properties from source to target (recursively allows extension\r\n * of Objects and Arrays).  Scalar values in the target are over-written.\r\n * If target is undefined, an object of the appropriate type will be created\r\n * (and returned).\r\n *\r\n * We recursively copy all child properties of plain Objects in the source- so\r\n * that namespace- like dictionaries are merged.\r\n *\r\n * Note that the target can be a function, in which case the properties in\r\n * the source Object are copied onto it as static properties of the Function.\r\n */\r\nfunction deepExtend(target, source) {\r\n    if (!(source instanceof Object)) {\r\n        return source;\r\n    }\r\n    switch (source.constructor) {\r\n        case Date:\r\n            // Treat Dates like scalars; if the target date object had any child\r\n            // properties - they will be lost!\r\n            var dateValue = source;\r\n            return new Date(dateValue.getTime());\r\n        case Object:\r\n            if (target === undefined) {\r\n                target = {};\r\n            }\r\n            break;\r\n        case Array:\r\n            // Always copy the array source and overwrite the target.\r\n            target = [];\r\n            break;\r\n        default:\r\n            // Not a plain Object - treat it as a scalar.\r\n            return source;\r\n    }\r\n    for (var prop in source) {\r\n        if (!source.hasOwnProperty(prop)) {\r\n            continue;\r\n        }\r\n        target[prop] = deepExtend(target[prop], source[prop]);\r\n    }\r\n    return target;\r\n}\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nvar Deferred = /** @class */ (function () {\r\n    function Deferred() {\r\n        var _this = this;\r\n        this.reject = function () { };\r\n        this.resolve = function () { };\r\n        this.promise = new Promise(function (resolve, reject) {\r\n            _this.resolve = resolve;\r\n            _this.reject = reject;\r\n        });\r\n    }\r\n    /**\r\n     * Our API internals are not promiseified and cannot because our callback APIs have subtle expectations around\r\n     * invoking promises inline, which Promises are forbidden to do. This method accepts an optional node-style callback\r\n     * and returns a node-style callback which will resolve or reject the Deferred's promise.\r\n     */\r\n    Deferred.prototype.wrapCallback = function (callback) {\r\n        var _this = this;\r\n        return function (error, value) {\r\n            if (error) {\r\n                _this.reject(error);\r\n            }\r\n            else {\r\n                _this.resolve(value);\r\n            }\r\n            if (typeof callback === 'function') {\r\n                // Attaching noop handler just in case developer wasn't expecting\r\n                // promises\r\n                _this.promise.catch(function () { });\r\n                // Some of our callbacks don't expect a value and our own tests\r\n                // assert that the parameter length is 1\r\n                if (callback.length === 1) {\r\n                    callback(error);\r\n                }\r\n                else {\r\n                    callback(error, value);\r\n                }\r\n            }\r\n        };\r\n    };\r\n    return Deferred;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * Returns navigator.userAgent string or '' if it's not defined.\r\n * @return user agent string\r\n */\r\nfunction getUA() {\r\n    if (typeof navigator !== 'undefined' &&\r\n        typeof navigator['userAgent'] === 'string') {\r\n        return navigator['userAgent'];\r\n    }\r\n    else {\r\n        return '';\r\n    }\r\n}\r\n/**\r\n * Detect Cordova / PhoneGap / Ionic frameworks on a mobile device.\r\n *\r\n * Deliberately does not rely on checking `file://` URLs (as this fails PhoneGap\r\n * in the Ripple emulator) nor Cordova `onDeviceReady`, which would normally\r\n * wait for a callback.\r\n */\r\nfunction isMobileCordova() {\r\n    return (typeof window !== 'undefined' &&\r\n        // @ts-ignore Setting up an broadly applicable index signature for Window\r\n        // just to deal with this case would probably be a bad idea.\r\n        !!(window['cordova'] || window['phonegap'] || window['PhoneGap']) &&\r\n        /ios|iphone|ipod|ipad|android|blackberry|iemobile/i.test(getUA()));\r\n}\r\n/**\r\n * Detect Node.js.\r\n *\r\n * @return true if Node.js environment is detected.\r\n */\r\n// Node detection logic from: https://github.com/iliakan/detect-node/\r\nfunction isNode() {\r\n    try {\r\n        return (Object.prototype.toString.call(global.process) === '[object process]');\r\n    }\r\n    catch (e) {\r\n        return false;\r\n    }\r\n}\r\n/**\r\n * Detect Browser Environment\r\n */\r\nfunction isBrowser() {\r\n    return typeof self === 'object' && self.self === self;\r\n}\r\nfunction isBrowserExtension() {\r\n    var runtime = typeof chrome === 'object'\r\n        ? chrome.runtime\r\n        : typeof browser === 'object'\r\n            ? browser.runtime\r\n            : undefined;\r\n    return typeof runtime === 'object' && runtime.id !== undefined;\r\n}\r\n/**\r\n * Detect React Native.\r\n *\r\n * @return true if ReactNative environment is detected.\r\n */\r\nfunction isReactNative() {\r\n    return (typeof navigator === 'object' && navigator['product'] === 'ReactNative');\r\n}\r\n/** Detects Electron apps. */\r\nfunction isElectron() {\r\n    return getUA().indexOf('Electron/') >= 0;\r\n}\r\n/** Detects Internet Explorer. */\r\nfunction isIE() {\r\n    var ua = getUA();\r\n    return ua.indexOf('MSIE ') >= 0 || ua.indexOf('Trident/') >= 0;\r\n}\r\n/** Detects Universal Windows Platform apps. */\r\nfunction isUWP() {\r\n    return getUA().indexOf('MSAppHost/') >= 0;\r\n}\r\n/**\r\n * Detect whether the current SDK build is the Node version.\r\n *\r\n * @return true if it's the Node SDK build.\r\n */\r\nfunction isNodeSdk() {\r\n    return CONSTANTS.NODE_CLIENT === true || CONSTANTS.NODE_ADMIN === true;\r\n}\r\n/** Returns true if we are running in Safari. */\r\nfunction isSafari() {\r\n    return (!isNode() &&\r\n        navigator.userAgent.includes('Safari') &&\r\n        !navigator.userAgent.includes('Chrome'));\r\n}\r\n/**\r\n * This method checks if indexedDB is supported by current browser/service worker context\r\n * @return true if indexedDB is supported by current browser/service worker context\r\n */\r\nfunction isIndexedDBAvailable() {\r\n    return 'indexedDB' in self && indexedDB != null;\r\n}\r\n/**\r\n * This method validates browser context for indexedDB by opening a dummy indexedDB database and reject\r\n * if errors occur during the database open operation.\r\n */\r\nfunction validateIndexedDBOpenable() {\r\n    return new Promise(function (resolve, reject) {\r\n        try {\r\n            var preExist_1 = true;\r\n            var DB_CHECK_NAME_1 = 'validate-browser-context-for-indexeddb-analytics-module';\r\n            var request_1 = window.indexedDB.open(DB_CHECK_NAME_1);\r\n            request_1.onsuccess = function () {\r\n                request_1.result.close();\r\n                // delete database only when it doesn't pre-exist\r\n                if (!preExist_1) {\r\n                    window.indexedDB.deleteDatabase(DB_CHECK_NAME_1);\r\n                }\r\n                resolve(true);\r\n            };\r\n            request_1.onupgradeneeded = function () {\r\n                preExist_1 = false;\r\n            };\r\n            request_1.onerror = function () {\r\n                var _a;\r\n                reject(((_a = request_1.error) === null || _a === void 0 ? void 0 : _a.message) || '');\r\n            };\r\n        }\r\n        catch (error) {\r\n            reject(error);\r\n        }\r\n    });\r\n}\r\n/**\r\n *\r\n * This method checks whether cookie is enabled within current browser\r\n * @return true if cookie is enabled within current browser\r\n */\r\nfunction areCookiesEnabled() {\r\n    if (!navigator || !navigator.cookieEnabled) {\r\n        return false;\r\n    }\r\n    return true;\r\n}\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nvar ERROR_NAME = 'FirebaseError';\r\n// Based on code from:\r\n// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Error#Custom_Error_Types\r\nvar FirebaseError = /** @class */ (function (_super) {\r\n    tslib.__extends(FirebaseError, _super);\r\n    function FirebaseError(code, message) {\r\n        var _this = _super.call(this, message) || this;\r\n        _this.code = code;\r\n        _this.name = ERROR_NAME;\r\n        // Fix For ES5\r\n        // https://github.com/Microsoft/TypeScript-wiki/blob/master/Breaking-Changes.md#extending-built-ins-like-error-array-and-map-may-no-longer-work\r\n        Object.setPrototypeOf(_this, FirebaseError.prototype);\r\n        // Maintains proper stack trace for where our error was thrown.\r\n        // Only available on V8.\r\n        if (Error.captureStackTrace) {\r\n            Error.captureStackTrace(_this, ErrorFactory.prototype.create);\r\n        }\r\n        return _this;\r\n    }\r\n    return FirebaseError;\r\n}(Error));\r\nvar ErrorFactory = /** @class */ (function () {\r\n    function ErrorFactory(service, serviceName, errors) {\r\n        this.service = service;\r\n        this.serviceName = serviceName;\r\n        this.errors = errors;\r\n    }\r\n    ErrorFactory.prototype.create = function (code) {\r\n        var data = [];\r\n        for (var _i = 1; _i < arguments.length; _i++) {\r\n            data[_i - 1] = arguments[_i];\r\n        }\r\n        var customData = data[0] || {};\r\n        var fullCode = this.service + \"/\" + code;\r\n        var template = this.errors[code];\r\n        var message = template ? replaceTemplate(template, customData) : 'Error';\r\n        // Service Name: Error message (service/code).\r\n        var fullMessage = this.serviceName + \": \" + message + \" (\" + fullCode + \").\";\r\n        var error = new FirebaseError(fullCode, fullMessage);\r\n        // Keys with an underscore at the end of their name are not included in\r\n        // error.data for some reason.\r\n        // TODO: Replace with Object.entries when lib is updated to es2017.\r\n        for (var _a = 0, _b = Object.keys(customData); _a < _b.length; _a++) {\r\n            var key = _b[_a];\r\n            if (key.slice(-1) !== '_') {\r\n                if (key in error) {\r\n                    console.warn(\"Overwriting FirebaseError base field \\\"\" + key + \"\\\" can cause unexpected behavior.\");\r\n                }\r\n                error[key] = customData[key];\r\n            }\r\n        }\r\n        return error;\r\n    };\r\n    return ErrorFactory;\r\n}());\r\nfunction replaceTemplate(template, data) {\r\n    return template.replace(PATTERN, function (_, key) {\r\n        var value = data[key];\r\n        return value != null ? String(value) : \"<\" + key + \"?>\";\r\n    });\r\n}\r\nvar PATTERN = /\\{\\$([^}]+)}/g;\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * Evaluates a JSON string into a javascript object.\r\n *\r\n * @param {string} str A string containing JSON.\r\n * @return {*} The javascript object representing the specified JSON.\r\n */\r\nfunction jsonEval(str) {\r\n    return JSON.parse(str);\r\n}\r\n/**\r\n * Returns JSON representing a javascript object.\r\n * @param {*} data Javascript object to be stringified.\r\n * @return {string} The JSON contents of the object.\r\n */\r\nfunction stringify(data) {\r\n    return JSON.stringify(data);\r\n}\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * Decodes a Firebase auth. token into constituent parts.\r\n *\r\n * Notes:\r\n * - May return with invalid / incomplete claims if there's no native base64 decoding support.\r\n * - Doesn't check if the token is actually valid.\r\n */\r\nvar decode = function (token) {\r\n    var header = {}, claims = {}, data = {}, signature = '';\r\n    try {\r\n        var parts = token.split('.');\r\n        header = jsonEval(base64Decode(parts[0]) || '');\r\n        claims = jsonEval(base64Decode(parts[1]) || '');\r\n        signature = parts[2];\r\n        data = claims['d'] || {};\r\n        delete claims['d'];\r\n    }\r\n    catch (e) { }\r\n    return {\r\n        header: header,\r\n        claims: claims,\r\n        data: data,\r\n        signature: signature\r\n    };\r\n};\r\n/**\r\n * Decodes a Firebase auth. token and checks the validity of its time-based claims. Will return true if the\r\n * token is within the time window authorized by the 'nbf' (not-before) and 'iat' (issued-at) claims.\r\n *\r\n * Notes:\r\n * - May return a false negative if there's no native base64 decoding support.\r\n * - Doesn't check if the token is actually valid.\r\n */\r\nvar isValidTimestamp = function (token) {\r\n    var claims = decode(token).claims;\r\n    var now = Math.floor(new Date().getTime() / 1000);\r\n    var validSince = 0, validUntil = 0;\r\n    if (typeof claims === 'object') {\r\n        if (claims.hasOwnProperty('nbf')) {\r\n            validSince = claims['nbf'];\r\n        }\r\n        else if (claims.hasOwnProperty('iat')) {\r\n            validSince = claims['iat'];\r\n        }\r\n        if (claims.hasOwnProperty('exp')) {\r\n            validUntil = claims['exp'];\r\n        }\r\n        else {\r\n            // token will expire after 24h by default\r\n            validUntil = validSince + 86400;\r\n        }\r\n    }\r\n    return (!!now &&\r\n        !!validSince &&\r\n        !!validUntil &&\r\n        now >= validSince &&\r\n        now <= validUntil);\r\n};\r\n/**\r\n * Decodes a Firebase auth. token and returns its issued at time if valid, null otherwise.\r\n *\r\n * Notes:\r\n * - May return null if there's no native base64 decoding support.\r\n * - Doesn't check if the token is actually valid.\r\n */\r\nvar issuedAtTime = function (token) {\r\n    var claims = decode(token).claims;\r\n    if (typeof claims === 'object' && claims.hasOwnProperty('iat')) {\r\n        return claims['iat'];\r\n    }\r\n    return null;\r\n};\r\n/**\r\n * Decodes a Firebase auth. token and checks the validity of its format. Expects a valid issued-at time.\r\n *\r\n * Notes:\r\n * - May return a false negative if there's no native base64 decoding support.\r\n * - Doesn't check if the token is actually valid.\r\n */\r\nvar isValidFormat = function (token) {\r\n    var decoded = decode(token), claims = decoded.claims;\r\n    return !!claims && typeof claims === 'object' && claims.hasOwnProperty('iat');\r\n};\r\n/**\r\n * Attempts to peer into an auth token and determine if it's an admin auth token by looking at the claims portion.\r\n *\r\n * Notes:\r\n * - May return a false negative if there's no native base64 decoding support.\r\n * - Doesn't check if the token is actually valid.\r\n */\r\nvar isAdmin = function (token) {\r\n    var claims = decode(token).claims;\r\n    return typeof claims === 'object' && claims['admin'] === true;\r\n};\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nfunction contains(obj, key) {\r\n    return Object.prototype.hasOwnProperty.call(obj, key);\r\n}\r\nfunction safeGet(obj, key) {\r\n    if (Object.prototype.hasOwnProperty.call(obj, key)) {\r\n        return obj[key];\r\n    }\r\n    else {\r\n        return undefined;\r\n    }\r\n}\r\nfunction isEmpty(obj) {\r\n    for (var key in obj) {\r\n        if (Object.prototype.hasOwnProperty.call(obj, key)) {\r\n            return false;\r\n        }\r\n    }\r\n    return true;\r\n}\r\nfunction map(obj, fn, contextObj) {\r\n    var res = {};\r\n    for (var key in obj) {\r\n        if (Object.prototype.hasOwnProperty.call(obj, key)) {\r\n            res[key] = fn.call(contextObj, obj[key], key, obj);\r\n        }\r\n    }\r\n    return res;\r\n}\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * Returns a querystring-formatted string (e.g. &arg=val&arg2=val2) from a\r\n * params object (e.g. {arg: 'val', arg2: 'val2'})\r\n * Note: You must prepend it with ? when adding it to a URL.\r\n */\r\nfunction querystring(querystringParams) {\r\n    var params = [];\r\n    var _loop_1 = function (key, value) {\r\n        if (Array.isArray(value)) {\r\n            value.forEach(function (arrayVal) {\r\n                params.push(encodeURIComponent(key) + '=' + encodeURIComponent(arrayVal));\r\n            });\r\n        }\r\n        else {\r\n            params.push(encodeURIComponent(key) + '=' + encodeURIComponent(value));\r\n        }\r\n    };\r\n    for (var _i = 0, _a = Object.entries(querystringParams); _i < _a.length; _i++) {\r\n        var _b = _a[_i], key = _b[0], value = _b[1];\r\n        _loop_1(key, value);\r\n    }\r\n    return params.length ? '&' + params.join('&') : '';\r\n}\r\n/**\r\n * Decodes a querystring (e.g. ?arg=val&arg2=val2) into a params object\r\n * (e.g. {arg: 'val', arg2: 'val2'})\r\n */\r\nfunction querystringDecode(querystring) {\r\n    var obj = {};\r\n    var tokens = querystring.replace(/^\\?/, '').split('&');\r\n    tokens.forEach(function (token) {\r\n        if (token) {\r\n            var key = token.split('=');\r\n            obj[key[0]] = key[1];\r\n        }\r\n    });\r\n    return obj;\r\n}\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * @fileoverview SHA-1 cryptographic hash.\r\n * Variable names follow the notation in FIPS PUB 180-3:\r\n * http://csrc.nist.gov/publications/fips/fips180-3/fips180-3_final.pdf.\r\n *\r\n * Usage:\r\n *   var sha1 = new sha1();\r\n *   sha1.update(bytes);\r\n *   var hash = sha1.digest();\r\n *\r\n * Performance:\r\n *   Chrome 23:   ~400 Mbit/s\r\n *   Firefox 16:  ~250 Mbit/s\r\n *\r\n */\r\n/**\r\n * SHA-1 cryptographic hash constructor.\r\n *\r\n * The properties declared here are discussed in the above algorithm document.\r\n * @constructor\r\n * @final\r\n * @struct\r\n */\r\nvar Sha1 = /** @class */ (function () {\r\n    function Sha1() {\r\n        /**\r\n         * Holds the previous values of accumulated variables a-e in the compress_\r\n         * function.\r\n         * @private\r\n         */\r\n        this.chain_ = [];\r\n        /**\r\n         * A buffer holding the partially computed hash result.\r\n         * @private\r\n         */\r\n        this.buf_ = [];\r\n        /**\r\n         * An array of 80 bytes, each a part of the message to be hashed.  Referred to\r\n         * as the message schedule in the docs.\r\n         * @private\r\n         */\r\n        this.W_ = [];\r\n        /**\r\n         * Contains data needed to pad messages less than 64 bytes.\r\n         * @private\r\n         */\r\n        this.pad_ = [];\r\n        /**\r\n         * @private {number}\r\n         */\r\n        this.inbuf_ = 0;\r\n        /**\r\n         * @private {number}\r\n         */\r\n        this.total_ = 0;\r\n        this.blockSize = 512 / 8;\r\n        this.pad_[0] = 128;\r\n        for (var i = 1; i < this.blockSize; ++i) {\r\n            this.pad_[i] = 0;\r\n        }\r\n        this.reset();\r\n    }\r\n    Sha1.prototype.reset = function () {\r\n        this.chain_[0] = 0x67452301;\r\n        this.chain_[1] = 0xefcdab89;\r\n        this.chain_[2] = 0x98badcfe;\r\n        this.chain_[3] = 0x10325476;\r\n        this.chain_[4] = 0xc3d2e1f0;\r\n        this.inbuf_ = 0;\r\n        this.total_ = 0;\r\n    };\r\n    /**\r\n     * Internal compress helper function.\r\n     * @param buf Block to compress.\r\n     * @param offset Offset of the block in the buffer.\r\n     * @private\r\n     */\r\n    Sha1.prototype.compress_ = function (buf, offset) {\r\n        if (!offset) {\r\n            offset = 0;\r\n        }\r\n        var W = this.W_;\r\n        // get 16 big endian words\r\n        if (typeof buf === 'string') {\r\n            for (var i = 0; i < 16; i++) {\r\n                // TODO(user): [bug 8140122] Recent versions of Safari for Mac OS and iOS\r\n                // have a bug that turns the post-increment ++ operator into pre-increment\r\n                // during JIT compilation.  We have code that depends heavily on SHA-1 for\r\n                // correctness and which is affected by this bug, so I've removed all uses\r\n                // of post-increment ++ in which the result value is used.  We can revert\r\n                // this change once the Safari bug\r\n                // (https://bugs.webkit.org/show_bug.cgi?id=109036) has been fixed and\r\n                // most clients have been updated.\r\n                W[i] =\r\n                    (buf.charCodeAt(offset) << 24) |\r\n                        (buf.charCodeAt(offset + 1) << 16) |\r\n                        (buf.charCodeAt(offset + 2) << 8) |\r\n                        buf.charCodeAt(offset + 3);\r\n                offset += 4;\r\n            }\r\n        }\r\n        else {\r\n            for (var i = 0; i < 16; i++) {\r\n                W[i] =\r\n                    (buf[offset] << 24) |\r\n                        (buf[offset + 1] << 16) |\r\n                        (buf[offset + 2] << 8) |\r\n                        buf[offset + 3];\r\n                offset += 4;\r\n            }\r\n        }\r\n        // expand to 80 words\r\n        for (var i = 16; i < 80; i++) {\r\n            var t = W[i - 3] ^ W[i - 8] ^ W[i - 14] ^ W[i - 16];\r\n            W[i] = ((t << 1) | (t >>> 31)) & 0xffffffff;\r\n        }\r\n        var a = this.chain_[0];\r\n        var b = this.chain_[1];\r\n        var c = this.chain_[2];\r\n        var d = this.chain_[3];\r\n        var e = this.chain_[4];\r\n        var f, k;\r\n        // TODO(user): Try to unroll this loop to speed up the computation.\r\n        for (var i = 0; i < 80; i++) {\r\n            if (i < 40) {\r\n                if (i < 20) {\r\n                    f = d ^ (b & (c ^ d));\r\n                    k = 0x5a827999;\r\n                }\r\n                else {\r\n                    f = b ^ c ^ d;\r\n                    k = 0x6ed9eba1;\r\n                }\r\n            }\r\n            else {\r\n                if (i < 60) {\r\n                    f = (b & c) | (d & (b | c));\r\n                    k = 0x8f1bbcdc;\r\n                }\r\n                else {\r\n                    f = b ^ c ^ d;\r\n                    k = 0xca62c1d6;\r\n                }\r\n            }\r\n            var t = (((a << 5) | (a >>> 27)) + f + e + k + W[i]) & 0xffffffff;\r\n            e = d;\r\n            d = c;\r\n            c = ((b << 30) | (b >>> 2)) & 0xffffffff;\r\n            b = a;\r\n            a = t;\r\n        }\r\n        this.chain_[0] = (this.chain_[0] + a) & 0xffffffff;\r\n        this.chain_[1] = (this.chain_[1] + b) & 0xffffffff;\r\n        this.chain_[2] = (this.chain_[2] + c) & 0xffffffff;\r\n        this.chain_[3] = (this.chain_[3] + d) & 0xffffffff;\r\n        this.chain_[4] = (this.chain_[4] + e) & 0xffffffff;\r\n    };\r\n    Sha1.prototype.update = function (bytes, length) {\r\n        // TODO(johnlenz): tighten the function signature and remove this check\r\n        if (bytes == null) {\r\n            return;\r\n        }\r\n        if (length === undefined) {\r\n            length = bytes.length;\r\n        }\r\n        var lengthMinusBlock = length - this.blockSize;\r\n        var n = 0;\r\n        // Using local instead of member variables gives ~5% speedup on Firefox 16.\r\n        var buf = this.buf_;\r\n        var inbuf = this.inbuf_;\r\n        // The outer while loop should execute at most twice.\r\n        while (n < length) {\r\n            // When we have no data in the block to top up, we can directly process the\r\n            // input buffer (assuming it contains sufficient data). This gives ~25%\r\n            // speedup on Chrome 23 and ~15% speedup on Firefox 16, but requires that\r\n            // the data is provided in large chunks (or in multiples of 64 bytes).\r\n            if (inbuf === 0) {\r\n                while (n <= lengthMinusBlock) {\r\n                    this.compress_(bytes, n);\r\n                    n += this.blockSize;\r\n                }\r\n            }\r\n            if (typeof bytes === 'string') {\r\n                while (n < length) {\r\n                    buf[inbuf] = bytes.charCodeAt(n);\r\n                    ++inbuf;\r\n                    ++n;\r\n                    if (inbuf === this.blockSize) {\r\n                        this.compress_(buf);\r\n                        inbuf = 0;\r\n                        // Jump to the outer loop so we use the full-block optimization.\r\n                        break;\r\n                    }\r\n                }\r\n            }\r\n            else {\r\n                while (n < length) {\r\n                    buf[inbuf] = bytes[n];\r\n                    ++inbuf;\r\n                    ++n;\r\n                    if (inbuf === this.blockSize) {\r\n                        this.compress_(buf);\r\n                        inbuf = 0;\r\n                        // Jump to the outer loop so we use the full-block optimization.\r\n                        break;\r\n                    }\r\n                }\r\n            }\r\n        }\r\n        this.inbuf_ = inbuf;\r\n        this.total_ += length;\r\n    };\r\n    /** @override */\r\n    Sha1.prototype.digest = function () {\r\n        var digest = [];\r\n        var totalBits = this.total_ * 8;\r\n        // Add pad 0x80 0x00*.\r\n        if (this.inbuf_ < 56) {\r\n            this.update(this.pad_, 56 - this.inbuf_);\r\n        }\r\n        else {\r\n            this.update(this.pad_, this.blockSize - (this.inbuf_ - 56));\r\n        }\r\n        // Add # bits.\r\n        for (var i = this.blockSize - 1; i >= 56; i--) {\r\n            this.buf_[i] = totalBits & 255;\r\n            totalBits /= 256; // Don't use bit-shifting here!\r\n        }\r\n        this.compress_(this.buf_);\r\n        var n = 0;\r\n        for (var i = 0; i < 5; i++) {\r\n            for (var j = 24; j >= 0; j -= 8) {\r\n                digest[n] = (this.chain_[i] >> j) & 255;\r\n                ++n;\r\n            }\r\n        }\r\n        return digest;\r\n    };\r\n    return Sha1;\r\n}());\n\n/**\r\n * Helper to make a Subscribe function (just like Promise helps make a\r\n * Thenable).\r\n *\r\n * @param executor Function which can make calls to a single Observer\r\n *     as a proxy.\r\n * @param onNoObservers Callback when count of Observers goes to zero.\r\n */\r\nfunction createSubscribe(executor, onNoObservers) {\r\n    var proxy = new ObserverProxy(executor, onNoObservers);\r\n    return proxy.subscribe.bind(proxy);\r\n}\r\n/**\r\n * Implement fan-out for any number of Observers attached via a subscribe\r\n * function.\r\n */\r\nvar ObserverProxy = /** @class */ (function () {\r\n    /**\r\n     * @param executor Function which can make calls to a single Observer\r\n     *     as a proxy.\r\n     * @param onNoObservers Callback when count of Observers goes to zero.\r\n     */\r\n    function ObserverProxy(executor, onNoObservers) {\r\n        var _this = this;\r\n        this.observers = [];\r\n        this.unsubscribes = [];\r\n        this.observerCount = 0;\r\n        // Micro-task scheduling by calling task.then().\r\n        this.task = Promise.resolve();\r\n        this.finalized = false;\r\n        this.onNoObservers = onNoObservers;\r\n        // Call the executor asynchronously so subscribers that are called\r\n        // synchronously after the creation of the subscribe function\r\n        // can still receive the very first value generated in the executor.\r\n        this.task\r\n            .then(function () {\r\n            executor(_this);\r\n        })\r\n            .catch(function (e) {\r\n            _this.error(e);\r\n        });\r\n    }\r\n    ObserverProxy.prototype.next = function (value) {\r\n        this.forEachObserver(function (observer) {\r\n            observer.next(value);\r\n        });\r\n    };\r\n    ObserverProxy.prototype.error = function (error) {\r\n        this.forEachObserver(function (observer) {\r\n            observer.error(error);\r\n        });\r\n        this.close(error);\r\n    };\r\n    ObserverProxy.prototype.complete = function () {\r\n        this.forEachObserver(function (observer) {\r\n            observer.complete();\r\n        });\r\n        this.close();\r\n    };\r\n    /**\r\n     * Subscribe function that can be used to add an Observer to the fan-out list.\r\n     *\r\n     * - We require that no event is sent to a subscriber sychronously to their\r\n     *   call to subscribe().\r\n     */\r\n    ObserverProxy.prototype.subscribe = function (nextOrObserver, error, complete) {\r\n        var _this = this;\r\n        var observer;\r\n        if (nextOrObserver === undefined &&\r\n            error === undefined &&\r\n            complete === undefined) {\r\n            throw new Error('Missing Observer.');\r\n        }\r\n        // Assemble an Observer object when passed as callback functions.\r\n        if (implementsAnyMethods(nextOrObserver, [\r\n            'next',\r\n            'error',\r\n            'complete'\r\n        ])) {\r\n            observer = nextOrObserver;\r\n        }\r\n        else {\r\n            observer = {\r\n                next: nextOrObserver,\r\n                error: error,\r\n                complete: complete\r\n            };\r\n        }\r\n        if (observer.next === undefined) {\r\n            observer.next = noop;\r\n        }\r\n        if (observer.error === undefined) {\r\n            observer.error = noop;\r\n        }\r\n        if (observer.complete === undefined) {\r\n            observer.complete = noop;\r\n        }\r\n        var unsub = this.unsubscribeOne.bind(this, this.observers.length);\r\n        // Attempt to subscribe to a terminated Observable - we\r\n        // just respond to the Observer with the final error or complete\r\n        // event.\r\n        if (this.finalized) {\r\n            // eslint-disable-next-line @typescript-eslint/no-floating-promises\r\n            this.task.then(function () {\r\n                try {\r\n                    if (_this.finalError) {\r\n                        observer.error(_this.finalError);\r\n                    }\r\n                    else {\r\n                        observer.complete();\r\n                    }\r\n                }\r\n                catch (e) {\r\n                    // nothing\r\n                }\r\n                return;\r\n            });\r\n        }\r\n        this.observers.push(observer);\r\n        return unsub;\r\n    };\r\n    // Unsubscribe is synchronous - we guarantee that no events are sent to\r\n    // any unsubscribed Observer.\r\n    ObserverProxy.prototype.unsubscribeOne = function (i) {\r\n        if (this.observers === undefined || this.observers[i] === undefined) {\r\n            return;\r\n        }\r\n        delete this.observers[i];\r\n        this.observerCount -= 1;\r\n        if (this.observerCount === 0 && this.onNoObservers !== undefined) {\r\n            this.onNoObservers(this);\r\n        }\r\n    };\r\n    ObserverProxy.prototype.forEachObserver = function (fn) {\r\n        if (this.finalized) {\r\n            // Already closed by previous event....just eat the additional values.\r\n            return;\r\n        }\r\n        // Since sendOne calls asynchronously - there is no chance that\r\n        // this.observers will become undefined.\r\n        for (var i = 0; i < this.observers.length; i++) {\r\n            this.sendOne(i, fn);\r\n        }\r\n    };\r\n    // Call the Observer via one of it's callback function. We are careful to\r\n    // confirm that the observe has not been unsubscribed since this asynchronous\r\n    // function had been queued.\r\n    ObserverProxy.prototype.sendOne = function (i, fn) {\r\n        var _this = this;\r\n        // Execute the callback asynchronously\r\n        // eslint-disable-next-line @typescript-eslint/no-floating-promises\r\n        this.task.then(function () {\r\n            if (_this.observers !== undefined && _this.observers[i] !== undefined) {\r\n                try {\r\n                    fn(_this.observers[i]);\r\n                }\r\n                catch (e) {\r\n                    // Ignore exceptions raised in Observers or missing methods of an\r\n                    // Observer.\r\n                    // Log error to console. b/31404806\r\n                    if (typeof console !== 'undefined' && console.error) {\r\n                        console.error(e);\r\n                    }\r\n                }\r\n            }\r\n        });\r\n    };\r\n    ObserverProxy.prototype.close = function (err) {\r\n        var _this = this;\r\n        if (this.finalized) {\r\n            return;\r\n        }\r\n        this.finalized = true;\r\n        if (err !== undefined) {\r\n            this.finalError = err;\r\n        }\r\n        // Proxy is no longer needed - garbage collect references\r\n        // eslint-disable-next-line @typescript-eslint/no-floating-promises\r\n        this.task.then(function () {\r\n            _this.observers = undefined;\r\n            _this.onNoObservers = undefined;\r\n        });\r\n    };\r\n    return ObserverProxy;\r\n}());\r\n/** Turn synchronous function into one called asynchronously. */\r\n// eslint-disable-next-line @typescript-eslint/ban-types\r\nfunction async(fn, onError) {\r\n    return function () {\r\n        var args = [];\r\n        for (var _i = 0; _i < arguments.length; _i++) {\r\n            args[_i] = arguments[_i];\r\n        }\r\n        Promise.resolve(true)\r\n            .then(function () {\r\n            fn.apply(void 0, args);\r\n        })\r\n            .catch(function (error) {\r\n            if (onError) {\r\n                onError(error);\r\n            }\r\n        });\r\n    };\r\n}\r\n/**\r\n * Return true if the object passed in implements any of the named methods.\r\n */\r\nfunction implementsAnyMethods(obj, methods) {\r\n    if (typeof obj !== 'object' || obj === null) {\r\n        return false;\r\n    }\r\n    for (var _i = 0, methods_1 = methods; _i < methods_1.length; _i++) {\r\n        var method = methods_1[_i];\r\n        if (method in obj && typeof obj[method] === 'function') {\r\n            return true;\r\n        }\r\n    }\r\n    return false;\r\n}\r\nfunction noop() {\r\n    // do nothing\r\n}\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * Check to make sure the appropriate number of arguments are provided for a public function.\r\n * Throws an error if it fails.\r\n *\r\n * @param fnName The function name\r\n * @param minCount The minimum number of arguments to allow for the function call\r\n * @param maxCount The maximum number of argument to allow for the function call\r\n * @param argCount The actual number of arguments provided.\r\n */\r\nvar validateArgCount = function (fnName, minCount, maxCount, argCount) {\r\n    var argError;\r\n    if (argCount < minCount) {\r\n        argError = 'at least ' + minCount;\r\n    }\r\n    else if (argCount > maxCount) {\r\n        argError = maxCount === 0 ? 'none' : 'no more than ' + maxCount;\r\n    }\r\n    if (argError) {\r\n        var error = fnName +\r\n            ' failed: Was called with ' +\r\n            argCount +\r\n            (argCount === 1 ? ' argument.' : ' arguments.') +\r\n            ' Expects ' +\r\n            argError +\r\n            '.';\r\n        throw new Error(error);\r\n    }\r\n};\r\n/**\r\n * Generates a string to prefix an error message about failed argument validation\r\n *\r\n * @param fnName The function name\r\n * @param argumentNumber The index of the argument\r\n * @param optional Whether or not the argument is optional\r\n * @return The prefix to add to the error thrown for validation.\r\n */\r\nfunction errorPrefix(fnName, argumentNumber, optional) {\r\n    var argName = '';\r\n    switch (argumentNumber) {\r\n        case 1:\r\n            argName = optional ? 'first' : 'First';\r\n            break;\r\n        case 2:\r\n            argName = optional ? 'second' : 'Second';\r\n            break;\r\n        case 3:\r\n            argName = optional ? 'third' : 'Third';\r\n            break;\r\n        case 4:\r\n            argName = optional ? 'fourth' : 'Fourth';\r\n            break;\r\n        default:\r\n            throw new Error('errorPrefix called with argumentNumber > 4.  Need to update it?');\r\n    }\r\n    var error = fnName + ' failed: ';\r\n    error += argName + ' argument ';\r\n    return error;\r\n}\r\n/**\r\n * @param fnName\r\n * @param argumentNumber\r\n * @param namespace\r\n * @param optional\r\n */\r\nfunction validateNamespace(fnName, argumentNumber, namespace, optional) {\r\n    if (optional && !namespace) {\r\n        return;\r\n    }\r\n    if (typeof namespace !== 'string') {\r\n        //TODO: I should do more validation here. We only allow certain chars in namespaces.\r\n        throw new Error(errorPrefix(fnName, argumentNumber, optional) +\r\n            'must be a valid firebase namespace.');\r\n    }\r\n}\r\nfunction validateCallback(fnName, argumentNumber, \r\n// eslint-disable-next-line @typescript-eslint/ban-types\r\ncallback, optional) {\r\n    if (optional && !callback) {\r\n        return;\r\n    }\r\n    if (typeof callback !== 'function') {\r\n        throw new Error(errorPrefix(fnName, argumentNumber, optional) +\r\n            'must be a valid function.');\r\n    }\r\n}\r\nfunction validateContextObject(fnName, argumentNumber, context, optional) {\r\n    if (optional && !context) {\r\n        return;\r\n    }\r\n    if (typeof context !== 'object' || context === null) {\r\n        throw new Error(errorPrefix(fnName, argumentNumber, optional) +\r\n            'must be a valid context object.');\r\n    }\r\n}\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n// Code originally came from goog.crypt.stringToUtf8ByteArray, but for some reason they\r\n// automatically replaced '\\r\\n' with '\\n', and they didn't handle surrogate pairs,\r\n// so it's been modified.\r\n// Note that not all Unicode characters appear as single characters in JavaScript strings.\r\n// fromCharCode returns the UTF-16 encoding of a character - so some Unicode characters\r\n// use 2 characters in Javascript.  All 4-byte UTF-8 characters begin with a first\r\n// character in the range 0xD800 - 0xDBFF (the first character of a so-called surrogate\r\n// pair).\r\n// See http://www.ecma-international.org/ecma-262/5.1/#sec-15.1.3\r\n/**\r\n * @param {string} str\r\n * @return {Array}\r\n */\r\nvar stringToByteArray$1 = function (str) {\r\n    var out = [];\r\n    var p = 0;\r\n    for (var i = 0; i < str.length; i++) {\r\n        var c = str.charCodeAt(i);\r\n        // Is this the lead surrogate in a surrogate pair?\r\n        if (c >= 0xd800 && c <= 0xdbff) {\r\n            var high = c - 0xd800; // the high 10 bits.\r\n            i++;\r\n            assert(i < str.length, 'Surrogate pair missing trail surrogate.');\r\n            var low = str.charCodeAt(i) - 0xdc00; // the low 10 bits.\r\n            c = 0x10000 + (high << 10) + low;\r\n        }\r\n        if (c < 128) {\r\n            out[p++] = c;\r\n        }\r\n        else if (c < 2048) {\r\n            out[p++] = (c >> 6) | 192;\r\n            out[p++] = (c & 63) | 128;\r\n        }\r\n        else if (c < 65536) {\r\n            out[p++] = (c >> 12) | 224;\r\n            out[p++] = ((c >> 6) & 63) | 128;\r\n            out[p++] = (c & 63) | 128;\r\n        }\r\n        else {\r\n            out[p++] = (c >> 18) | 240;\r\n            out[p++] = ((c >> 12) & 63) | 128;\r\n            out[p++] = ((c >> 6) & 63) | 128;\r\n            out[p++] = (c & 63) | 128;\r\n        }\r\n    }\r\n    return out;\r\n};\r\n/**\r\n * Calculate length without actually converting; useful for doing cheaper validation.\r\n * @param {string} str\r\n * @return {number}\r\n */\r\nvar stringLength = function (str) {\r\n    var p = 0;\r\n    for (var i = 0; i < str.length; i++) {\r\n        var c = str.charCodeAt(i);\r\n        if (c < 128) {\r\n            p++;\r\n        }\r\n        else if (c < 2048) {\r\n            p += 2;\r\n        }\r\n        else if (c >= 0xd800 && c <= 0xdbff) {\r\n            // Lead surrogate of a surrogate pair.  The pair together will take 4 bytes to represent.\r\n            p += 4;\r\n            i++; // skip trail surrogate.\r\n        }\r\n        else {\r\n            p += 3;\r\n        }\r\n    }\r\n    return p;\r\n};\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * The amount of milliseconds to exponentially increase.\r\n */\r\nvar DEFAULT_INTERVAL_MILLIS = 1000;\r\n/**\r\n * The factor to backoff by.\r\n * Should be a number greater than 1.\r\n */\r\nvar DEFAULT_BACKOFF_FACTOR = 2;\r\n/**\r\n * The maximum milliseconds to increase to.\r\n *\r\n * <p>Visible for testing\r\n */\r\nvar MAX_VALUE_MILLIS = 4 * 60 * 60 * 1000; // Four hours, like iOS and Android.\r\n/**\r\n * The percentage of backoff time to randomize by.\r\n * See\r\n * http://go/safe-client-behavior#step-1-determine-the-appropriate-retry-interval-to-handle-spike-traffic\r\n * for context.\r\n *\r\n * <p>Visible for testing\r\n */\r\nvar RANDOM_FACTOR = 0.5;\r\n/**\r\n * Based on the backoff method from\r\n * https://github.com/google/closure-library/blob/master/closure/goog/math/exponentialbackoff.js.\r\n * Extracted here so we don't need to pass metadata and a stateful ExponentialBackoff object around.\r\n */\r\nfunction calculateBackoffMillis(backoffCount, intervalMillis, backoffFactor) {\r\n    if (intervalMillis === void 0) { intervalMillis = DEFAULT_INTERVAL_MILLIS; }\r\n    if (backoffFactor === void 0) { backoffFactor = DEFAULT_BACKOFF_FACTOR; }\r\n    // Calculates an exponentially increasing value.\r\n    // Deviation: calculates value from count and a constant interval, so we only need to save value\r\n    // and count to restore state.\r\n    var currBaseValue = intervalMillis * Math.pow(backoffFactor, backoffCount);\r\n    // A random \"fuzz\" to avoid waves of retries.\r\n    // Deviation: randomFactor is required.\r\n    var randomWait = Math.round(\r\n    // A fraction of the backoff value to add/subtract.\r\n    // Deviation: changes multiplication order to improve readability.\r\n    RANDOM_FACTOR *\r\n        currBaseValue *\r\n        // A random float (rounded to int by Math.round above) in the range [-1, 1]. Determines\r\n        // if we add or subtract.\r\n        (Math.random() - 0.5) *\r\n        2);\r\n    // Limits backoff to max to avoid effectively permanent backoff.\r\n    return Math.min(MAX_VALUE_MILLIS, currBaseValue + randomWait);\r\n}\n\nexports.CONSTANTS = CONSTANTS;\nexports.Deferred = Deferred;\nexports.ErrorFactory = ErrorFactory;\nexports.FirebaseError = FirebaseError;\nexports.MAX_VALUE_MILLIS = MAX_VALUE_MILLIS;\nexports.RANDOM_FACTOR = RANDOM_FACTOR;\nexports.Sha1 = Sha1;\nexports.areCookiesEnabled = areCookiesEnabled;\nexports.assert = assert;\nexports.assertionError = assertionError;\nexports.async = async;\nexports.base64 = base64;\nexports.base64Decode = base64Decode;\nexports.base64Encode = base64Encode;\nexports.calculateBackoffMillis = calculateBackoffMillis;\nexports.contains = contains;\nexports.createSubscribe = createSubscribe;\nexports.decode = decode;\nexports.deepCopy = deepCopy;\nexports.deepExtend = deepExtend;\nexports.errorPrefix = errorPrefix;\nexports.getUA = getUA;\nexports.isAdmin = isAdmin;\nexports.isBrowser = isBrowser;\nexports.isBrowserExtension = isBrowserExtension;\nexports.isElectron = isElectron;\nexports.isEmpty = isEmpty;\nexports.isIE = isIE;\nexports.isIndexedDBAvailable = isIndexedDBAvailable;\nexports.isMobileCordova = isMobileCordova;\nexports.isNode = isNode;\nexports.isNodeSdk = isNodeSdk;\nexports.isReactNative = isReactNative;\nexports.isSafari = isSafari;\nexports.isUWP = isUWP;\nexports.isValidFormat = isValidFormat;\nexports.isValidTimestamp = isValidTimestamp;\nexports.issuedAtTime = issuedAtTime;\nexports.jsonEval = jsonEval;\nexports.map = map;\nexports.querystring = querystring;\nexports.querystringDecode = querystringDecode;\nexports.safeGet = safeGet;\nexports.stringLength = stringLength;\nexports.stringToByteArray = stringToByteArray$1;\nexports.stringify = stringify;\nexports.validateArgCount = validateArgCount;\nexports.validateCallback = validateCallback;\nexports.validateContextObject = validateContextObject;\nexports.validateIndexedDBOpenable = validateIndexedDBOpenable;\nexports.validateNamespace = validateNamespace;\n//# sourceMappingURL=index.cjs.js.map\n\n/* WEBPACK VAR INJECTION */}.call(this, __webpack_require__(10)))\n\n//# sourceURL=webpack:///./node_modules/@firebase/util/dist/index.cjs.js?")},function(module,exports,__webpack_require__){"use strict";eval('\n\nObject.defineProperty(exports, \'__esModule\', { value: true });\n\nvar tslib = __webpack_require__(0);\nvar util = __webpack_require__(1);\nvar component = __webpack_require__(3);\nvar logger$1 = __webpack_require__(6);\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nvar _a;\r\nvar ERRORS = (_a = {},\r\n    _a["no-app" /* NO_APP */] = "No Firebase App \'{$appName}\' has been created - " +\r\n        \'call Firebase App.initializeApp()\',\r\n    _a["bad-app-name" /* BAD_APP_NAME */] = "Illegal App name: \'{$appName}",\r\n    _a["duplicate-app" /* DUPLICATE_APP */] = "Firebase App named \'{$appName}\' already exists",\r\n    _a["app-deleted" /* APP_DELETED */] = "Firebase App named \'{$appName}\' already deleted",\r\n    _a["invalid-app-argument" /* INVALID_APP_ARGUMENT */] = \'firebase.{$appName}() takes either no argument or a \' +\r\n        \'Firebase App instance.\',\r\n    _a["invalid-log-argument" /* INVALID_LOG_ARGUMENT */] = \'First argument to `onLog` must be null or a function.\',\r\n    _a);\r\nvar ERROR_FACTORY = new util.ErrorFactory(\'app\', \'Firebase\', ERRORS);\n\nvar name$1 = "@firebase/app";\nvar version = "0.6.11";\n\nvar name$2 = "@firebase/analytics";\n\nvar name$3 = "@firebase/auth";\n\nvar name$4 = "@firebase/database";\n\nvar name$5 = "@firebase/functions";\n\nvar name$6 = "@firebase/installations";\n\nvar name$7 = "@firebase/messaging";\n\nvar name$8 = "@firebase/performance";\n\nvar name$9 = "@firebase/remote-config";\n\nvar name$a = "@firebase/storage";\n\nvar name$b = "@firebase/firestore";\n\nvar name$c = "firebase-wrapper";\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nvar _a$1;\r\nvar DEFAULT_ENTRY_NAME = \'[DEFAULT]\';\r\nvar PLATFORM_LOG_STRING = (_a$1 = {},\r\n    _a$1[name$1] = \'fire-core\',\r\n    _a$1[name$2] = \'fire-analytics\',\r\n    _a$1[name$3] = \'fire-auth\',\r\n    _a$1[name$4] = \'fire-rtdb\',\r\n    _a$1[name$5] = \'fire-fn\',\r\n    _a$1[name$6] = \'fire-iid\',\r\n    _a$1[name$7] = \'fire-fcm\',\r\n    _a$1[name$8] = \'fire-perf\',\r\n    _a$1[name$9] = \'fire-rc\',\r\n    _a$1[name$a] = \'fire-gcs\',\r\n    _a$1[name$b] = \'fire-fst\',\r\n    _a$1[\'fire-js\'] = \'fire-js\',\r\n    _a$1[name$c] = \'fire-js-all\',\r\n    _a$1);\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nvar logger = new logger$1.Logger(\'@firebase/app\');\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * Global context object for a collection of services using\r\n * a shared authentication state.\r\n */\r\nvar FirebaseAppImpl = /** @class */ (function () {\r\n    function FirebaseAppImpl(options, config, firebase_) {\r\n        var e_1, _a;\r\n        var _this = this;\r\n        this.firebase_ = firebase_;\r\n        this.isDeleted_ = false;\r\n        this.name_ = config.name;\r\n        this.automaticDataCollectionEnabled_ =\r\n            config.automaticDataCollectionEnabled || false;\r\n        this.options_ = util.deepCopy(options);\r\n        this.container = new component.ComponentContainer(config.name);\r\n        // add itself to container\r\n        this._addComponent(new component.Component(\'app\', function () { return _this; }, "PUBLIC" /* PUBLIC */));\r\n        try {\r\n            // populate ComponentContainer with existing components\r\n            for (var _b = tslib.__values(this.firebase_.INTERNAL.components.values()), _c = _b.next(); !_c.done; _c = _b.next()) {\r\n                var component$1 = _c.value;\r\n                this._addComponent(component$1);\r\n            }\r\n        }\r\n        catch (e_1_1) { e_1 = { error: e_1_1 }; }\r\n        finally {\r\n            try {\r\n                if (_c && !_c.done && (_a = _b.return)) _a.call(_b);\r\n            }\r\n            finally { if (e_1) throw e_1.error; }\r\n        }\r\n    }\r\n    Object.defineProperty(FirebaseAppImpl.prototype, "automaticDataCollectionEnabled", {\r\n        get: function () {\r\n            this.checkDestroyed_();\r\n            return this.automaticDataCollectionEnabled_;\r\n        },\r\n        set: function (val) {\r\n            this.checkDestroyed_();\r\n            this.automaticDataCollectionEnabled_ = val;\r\n        },\r\n        enumerable: false,\r\n        configurable: true\r\n    });\r\n    Object.defineProperty(FirebaseAppImpl.prototype, "name", {\r\n        get: function () {\r\n            this.checkDestroyed_();\r\n            return this.name_;\r\n        },\r\n        enumerable: false,\r\n        configurable: true\r\n    });\r\n    Object.defineProperty(FirebaseAppImpl.prototype, "options", {\r\n        get: function () {\r\n            this.checkDestroyed_();\r\n            return this.options_;\r\n        },\r\n        enumerable: false,\r\n        configurable: true\r\n    });\r\n    FirebaseAppImpl.prototype.delete = function () {\r\n        var _this = this;\r\n        return new Promise(function (resolve) {\r\n            _this.checkDestroyed_();\r\n            resolve();\r\n        })\r\n            .then(function () {\r\n            _this.firebase_.INTERNAL.removeApp(_this.name_);\r\n            return Promise.all(_this.container.getProviders().map(function (provider) { return provider.delete(); }));\r\n        })\r\n            .then(function () {\r\n            _this.isDeleted_ = true;\r\n        });\r\n    };\r\n    /**\r\n     * Return a service instance associated with this app (creating it\r\n     * on demand), identified by the passed instanceIdentifier.\r\n     *\r\n     * NOTE: Currently storage and functions are the only ones that are leveraging this\r\n     * functionality. They invoke it by calling:\r\n     *\r\n     * ```javascript\r\n     * firebase.app().storage(\'STORAGE BUCKET ID\')\r\n     * ```\r\n     *\r\n     * The service name is passed to this already\r\n     * @internal\r\n     */\r\n    FirebaseAppImpl.prototype._getService = function (name, instanceIdentifier) {\r\n        if (instanceIdentifier === void 0) { instanceIdentifier = DEFAULT_ENTRY_NAME; }\r\n        this.checkDestroyed_();\r\n        // getImmediate will always succeed because _getService is only called for registered components.\r\n        return this.container.getProvider(name).getImmediate({\r\n            identifier: instanceIdentifier\r\n        });\r\n    };\r\n    /**\r\n     * Remove a service instance from the cache, so we will create a new instance for this service\r\n     * when people try to get this service again.\r\n     *\r\n     * NOTE: currently only firestore is using this functionality to support firestore shutdown.\r\n     *\r\n     * @param name The service name\r\n     * @param instanceIdentifier instance identifier in case multiple instances are allowed\r\n     * @internal\r\n     */\r\n    FirebaseAppImpl.prototype._removeServiceInstance = function (name, instanceIdentifier) {\r\n        if (instanceIdentifier === void 0) { instanceIdentifier = DEFAULT_ENTRY_NAME; }\r\n        // eslint-disable-next-line @typescript-eslint/no-explicit-any\r\n        this.container.getProvider(name).clearInstance(instanceIdentifier);\r\n    };\r\n    /**\r\n     * @param component the component being added to this app\'s container\r\n     */\r\n    FirebaseAppImpl.prototype._addComponent = function (component) {\r\n        try {\r\n            this.container.addComponent(component);\r\n        }\r\n        catch (e) {\r\n            logger.debug("Component " + component.name + " failed to register with FirebaseApp " + this.name, e);\r\n        }\r\n    };\r\n    FirebaseAppImpl.prototype._addOrOverwriteComponent = function (component) {\r\n        this.container.addOrOverwriteComponent(component);\r\n    };\r\n    /**\r\n     * This function will throw an Error if the App has already been deleted -\r\n     * use before performing API actions on the App.\r\n     */\r\n    FirebaseAppImpl.prototype.checkDestroyed_ = function () {\r\n        if (this.isDeleted_) {\r\n            throw ERROR_FACTORY.create("app-deleted" /* APP_DELETED */, { appName: this.name_ });\r\n        }\r\n    };\r\n    return FirebaseAppImpl;\r\n}());\r\n// Prevent dead-code elimination of these methods w/o invalid property\r\n// copying.\r\n(FirebaseAppImpl.prototype.name && FirebaseAppImpl.prototype.options) ||\r\n    FirebaseAppImpl.prototype.delete ||\r\n    console.log(\'dc\');\n\nvar version$1 = "7.20.0";\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * Because auth can\'t share code with other components, we attach the utility functions\r\n * in an internal namespace to share code.\r\n * This function return a firebase namespace object without\r\n * any utility functions, so it can be shared between the regular firebaseNamespace and\r\n * the lite version.\r\n */\r\nfunction createFirebaseNamespaceCore(firebaseAppImpl) {\r\n    var apps = {};\r\n    // eslint-disable-next-line @typescript-eslint/no-explicit-any\r\n    var components = new Map();\r\n    // A namespace is a plain JavaScript Object.\r\n    var namespace = {\r\n        // Hack to prevent Babel from modifying the object returned\r\n        // as the firebase namespace.\r\n        // @ts-ignore\r\n        __esModule: true,\r\n        initializeApp: initializeApp,\r\n        // @ts-ignore\r\n        app: app,\r\n        registerVersion: registerVersion,\r\n        setLogLevel: logger$1.setLogLevel,\r\n        onLog: onLog,\r\n        // @ts-ignore\r\n        apps: null,\r\n        SDK_VERSION: version$1,\r\n        INTERNAL: {\r\n            registerComponent: registerComponent,\r\n            removeApp: removeApp,\r\n            components: components,\r\n            useAsService: useAsService\r\n        }\r\n    };\r\n    // Inject a circular default export to allow Babel users who were previously\r\n    // using:\r\n    //\r\n    //   import firebase from \'firebase\';\r\n    //   which becomes: var firebase = require(\'firebase\').default;\r\n    //\r\n    // instead of\r\n    //\r\n    //   import * as firebase from \'firebase\';\r\n    //   which becomes: var firebase = require(\'firebase\');\r\n    // eslint-disable-next-line @typescript-eslint/no-explicit-any\r\n    namespace[\'default\'] = namespace;\r\n    // firebase.apps is a read-only getter.\r\n    Object.defineProperty(namespace, \'apps\', {\r\n        get: getApps\r\n    });\r\n    /**\r\n     * Called by App.delete() - but before any services associated with the App\r\n     * are deleted.\r\n     */\r\n    function removeApp(name) {\r\n        delete apps[name];\r\n    }\r\n    /**\r\n     * Get the App object for a given name (or DEFAULT).\r\n     */\r\n    function app(name) {\r\n        name = name || DEFAULT_ENTRY_NAME;\r\n        if (!util.contains(apps, name)) {\r\n            throw ERROR_FACTORY.create("no-app" /* NO_APP */, { appName: name });\r\n        }\r\n        return apps[name];\r\n    }\r\n    // @ts-ignore\r\n    app[\'App\'] = firebaseAppImpl;\r\n    function initializeApp(options, rawConfig) {\r\n        if (rawConfig === void 0) { rawConfig = {}; }\r\n        if (typeof rawConfig !== \'object\' || rawConfig === null) {\r\n            var name_1 = rawConfig;\r\n            rawConfig = { name: name_1 };\r\n        }\r\n        var config = rawConfig;\r\n        if (config.name === undefined) {\r\n            config.name = DEFAULT_ENTRY_NAME;\r\n        }\r\n        var name = config.name;\r\n        if (typeof name !== \'string\' || !name) {\r\n            throw ERROR_FACTORY.create("bad-app-name" /* BAD_APP_NAME */, {\r\n                appName: String(name)\r\n            });\r\n        }\r\n        if (util.contains(apps, name)) {\r\n            throw ERROR_FACTORY.create("duplicate-app" /* DUPLICATE_APP */, { appName: name });\r\n        }\r\n        var app = new firebaseAppImpl(options, config, namespace);\r\n        apps[name] = app;\r\n        return app;\r\n    }\r\n    /*\r\n     * Return an array of all the non-deleted FirebaseApps.\r\n     */\r\n    function getApps() {\r\n        // Make a copy so caller cannot mutate the apps list.\r\n        return Object.keys(apps).map(function (name) { return apps[name]; });\r\n    }\r\n    function registerComponent(component) {\r\n        var e_1, _a;\r\n        var componentName = component.name;\r\n        if (components.has(componentName)) {\r\n            logger.debug("There were multiple attempts to register component " + componentName + ".");\r\n            return component.type === "PUBLIC" /* PUBLIC */\r\n                ? // eslint-disable-next-line @typescript-eslint/no-explicit-any\r\n                    namespace[componentName]\r\n                : null;\r\n        }\r\n        components.set(componentName, component);\r\n        // create service namespace for public components\r\n        if (component.type === "PUBLIC" /* PUBLIC */) {\r\n            // The Service namespace is an accessor function ...\r\n            var serviceNamespace = function (appArg) {\r\n                if (appArg === void 0) { appArg = app(); }\r\n                // eslint-disable-next-line @typescript-eslint/no-explicit-any\r\n                if (typeof appArg[componentName] !== \'function\') {\r\n                    // Invalid argument.\r\n                    // This happens in the following case: firebase.storage(\'gs:/\')\r\n                    throw ERROR_FACTORY.create("invalid-app-argument" /* INVALID_APP_ARGUMENT */, {\r\n                        appName: componentName\r\n                    });\r\n                }\r\n                // Forward service instance lookup to the FirebaseApp.\r\n                // eslint-disable-next-line @typescript-eslint/no-explicit-any\r\n                return appArg[componentName]();\r\n            };\r\n            // ... and a container for service-level properties.\r\n            if (component.serviceProps !== undefined) {\r\n                util.deepExtend(serviceNamespace, component.serviceProps);\r\n            }\r\n            // eslint-disable-next-line @typescript-eslint/no-explicit-any\r\n            namespace[componentName] = serviceNamespace;\r\n            // Patch the FirebaseAppImpl prototype\r\n            // eslint-disable-next-line @typescript-eslint/no-explicit-any\r\n            firebaseAppImpl.prototype[componentName] =\r\n                // TODO: The eslint disable can be removed and the \'ignoreRestArgs\'\r\n                // option added to the no-explicit-any rule when ESlint releases it.\r\n                // eslint-disable-next-line @typescript-eslint/no-explicit-any\r\n                function () {\r\n                    var args = [];\r\n                    for (var _i = 0; _i < arguments.length; _i++) {\r\n                        args[_i] = arguments[_i];\r\n                    }\r\n                    var serviceFxn = this._getService.bind(this, componentName);\r\n                    return serviceFxn.apply(this, component.multipleInstances ? args : []);\r\n                };\r\n        }\r\n        try {\r\n            // add the component to existing app instances\r\n            for (var _b = tslib.__values(Object.keys(apps)), _c = _b.next(); !_c.done; _c = _b.next()) {\r\n                var appName = _c.value;\r\n                apps[appName]._addComponent(component);\r\n            }\r\n        }\r\n        catch (e_1_1) { e_1 = { error: e_1_1 }; }\r\n        finally {\r\n            try {\r\n                if (_c && !_c.done && (_a = _b.return)) _a.call(_b);\r\n            }\r\n            finally { if (e_1) throw e_1.error; }\r\n        }\r\n        return component.type === "PUBLIC" /* PUBLIC */\r\n            ? // eslint-disable-next-line @typescript-eslint/no-explicit-any\r\n                namespace[componentName]\r\n            : null;\r\n    }\r\n    function registerVersion(libraryKeyOrName, version, variant) {\r\n        var _a;\r\n        // TODO: We can use this check to whitelist strings when/if we set up\r\n        // a good whitelist system.\r\n        var library = (_a = PLATFORM_LOG_STRING[libraryKeyOrName]) !== null && _a !== void 0 ? _a : libraryKeyOrName;\r\n        if (variant) {\r\n            library += "-" + variant;\r\n        }\r\n        var libraryMismatch = library.match(/\\s|\\//);\r\n        var versionMismatch = version.match(/\\s|\\//);\r\n        if (libraryMismatch || versionMismatch) {\r\n            var warning = [\r\n                "Unable to register library \\"" + library + "\\" with version \\"" + version + "\\":"\r\n            ];\r\n            if (libraryMismatch) {\r\n                warning.push("library name \\"" + library + "\\" contains illegal characters (whitespace or \\"/\\")");\r\n            }\r\n            if (libraryMismatch && versionMismatch) {\r\n                warning.push(\'and\');\r\n            }\r\n            if (versionMismatch) {\r\n                warning.push("version name \\"" + version + "\\" contains illegal characters (whitespace or \\"/\\")");\r\n            }\r\n            logger.warn(warning.join(\' \'));\r\n            return;\r\n        }\r\n        registerComponent(new component.Component(library + "-version", function () { return ({ library: library, version: version }); }, "VERSION" /* VERSION */));\r\n    }\r\n    function onLog(logCallback, options) {\r\n        if (logCallback !== null && typeof logCallback !== \'function\') {\r\n            throw ERROR_FACTORY.create("invalid-log-argument" /* INVALID_LOG_ARGUMENT */, {\r\n                appName: name\r\n            });\r\n        }\r\n        logger$1.setUserLogHandler(logCallback, options);\r\n    }\r\n    // Map the requested service to a registered service name\r\n    // (used to map auth to serverAuth service when needed).\r\n    function useAsService(app, name) {\r\n        if (name === \'serverAuth\') {\r\n            return null;\r\n        }\r\n        var useService = name;\r\n        return useService;\r\n    }\r\n    return namespace;\r\n}\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * Return a firebase namespace object.\r\n *\r\n * In production, this will be called exactly once and the result\r\n * assigned to the \'firebase\' global.  It may be called multiple times\r\n * in unit tests.\r\n */\r\nfunction createFirebaseNamespace() {\r\n    var namespace = createFirebaseNamespaceCore(FirebaseAppImpl);\r\n    namespace.INTERNAL = tslib.__assign(tslib.__assign({}, namespace.INTERNAL), { createFirebaseNamespace: createFirebaseNamespace,\r\n        extendNamespace: extendNamespace,\r\n        createSubscribe: util.createSubscribe,\r\n        ErrorFactory: util.ErrorFactory,\r\n        deepExtend: util.deepExtend });\r\n    /**\r\n     * Patch the top-level firebase namespace with additional properties.\r\n     *\r\n     * firebase.INTERNAL.extendNamespace()\r\n     */\r\n    function extendNamespace(props) {\r\n        util.deepExtend(namespace, props);\r\n    }\r\n    return namespace;\r\n}\r\nvar firebase = createFirebaseNamespace();\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nvar PlatformLoggerService = /** @class */ (function () {\r\n    function PlatformLoggerService(container) {\r\n        this.container = container;\r\n    }\r\n    // In initial implementation, this will be called by installations on\r\n    // auth token refresh, and installations will send this string.\r\n    PlatformLoggerService.prototype.getPlatformInfoString = function () {\r\n        var providers = this.container.getProviders();\r\n        // Loop through providers and get library/version pairs from any that are\r\n        // version components.\r\n        return providers\r\n            .map(function (provider) {\r\n            if (isVersionServiceProvider(provider)) {\r\n                var service = provider.getImmediate();\r\n                return service.library + "/" + service.version;\r\n            }\r\n            else {\r\n                return null;\r\n            }\r\n        })\r\n            .filter(function (logString) { return logString; })\r\n            .join(\' \');\r\n    };\r\n    return PlatformLoggerService;\r\n}());\r\n/**\r\n *\r\n * @param provider check if this provider provides a VersionService\r\n *\r\n * NOTE: Using Provider<\'app-version\'> is a hack to indicate that the provider\r\n * provides VersionService. The provider is not necessarily a \'app-version\'\r\n * provider.\r\n */\r\nfunction isVersionServiceProvider(provider) {\r\n    var component = provider.getComponent();\r\n    return (component === null || component === void 0 ? void 0 : component.type) === "VERSION" /* VERSION */;\r\n}\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nfunction registerCoreComponents(firebase, variant) {\r\n    firebase.INTERNAL.registerComponent(new component.Component(\'platform-logger\', function (container) { return new PlatformLoggerService(container); }, "PRIVATE" /* PRIVATE */));\r\n    // Register `app` package.\r\n    firebase.registerVersion(name$1, version, variant);\r\n    // Register platform SDK identifier (no version).\r\n    firebase.registerVersion(\'fire-js\', \'\');\r\n}\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n// Firebase Lite detection test\r\n// eslint-disable-next-line @typescript-eslint/no-explicit-any\r\nif (util.isBrowser() && self.firebase !== undefined) {\r\n    logger.warn("\\n    Warning: Firebase is already defined in the global scope. Please make sure\\n    Firebase library is only loaded once.\\n  ");\r\n    // eslint-disable-next-line\r\n    var sdkVersion = self.firebase.SDK_VERSION;\r\n    if (sdkVersion && sdkVersion.indexOf(\'LITE\') >= 0) {\r\n        logger.warn("\\n    Warning: You are trying to load Firebase while using Firebase Performance standalone script.\\n    You should load Firebase Performance with this instance of Firebase to avoid loading duplicate code.\\n    ");\r\n    }\r\n}\r\nvar initializeApp = firebase.initializeApp;\r\n// TODO: This disable can be removed and the \'ignoreRestArgs\' option added to\r\n// the no-explicit-any rule when ESlint releases it.\r\n// eslint-disable-next-line @typescript-eslint/no-explicit-any\r\nfirebase.initializeApp = function () {\r\n    var args = [];\r\n    for (var _i = 0; _i < arguments.length; _i++) {\r\n        args[_i] = arguments[_i];\r\n    }\r\n    // Environment check before initializing app\r\n    // Do the check in initializeApp, so people have a chance to disable it by setting logLevel\r\n    // in @firebase/logger\r\n    if (util.isNode()) {\r\n        logger.warn("\\n      Warning: This is a browser-targeted Firebase bundle but it appears it is being\\n      run in a Node environment.  If running in a Node environment, make sure you\\n      are using the bundle specified by the \\"main\\" field in package.json.\\n      \\n      If you are using Webpack, you can specify \\"main\\" as the first item in\\n      \\"resolve.mainFields\\":\\n      https://webpack.js.org/configuration/resolve/#resolvemainfields\\n      \\n      If using Rollup, use the rollup-plugin-node-resolve plugin and specify \\"main\\"\\n      as the first item in \\"mainFields\\", e.g. [\'main\', \'module\'].\\n      https://github.com/rollup/rollup-plugin-node-resolve\\n      ");\r\n    }\r\n    return initializeApp.apply(undefined, args);\r\n};\r\nvar firebase$1 = firebase;\r\nregisterCoreComponents(firebase$1);\n\nexports.default = firebase$1;\nexports.firebase = firebase$1;\n//# sourceMappingURL=index.cjs.js.map\n\n\n//# sourceURL=webpack:///./node_modules/@firebase/app/dist/index.cjs.js?')},function(module,exports,__webpack_require__){"use strict";eval('\n\nObject.defineProperty(exports, \'__esModule\', { value: true });\n\nvar tslib = __webpack_require__(0);\nvar util = __webpack_require__(1);\n\n/**\r\n * Component for service name T, e.g. `auth`, `auth-internal`\r\n */\r\nvar Component = /** @class */ (function () {\r\n    /**\r\n     *\r\n     * @param name The public service name, e.g. app, auth, firestore, database\r\n     * @param instanceFactory Service factory responsible for creating the public interface\r\n     * @param type whether the service provided by the component is public or private\r\n     */\r\n    function Component(name, instanceFactory, type) {\r\n        this.name = name;\r\n        this.instanceFactory = instanceFactory;\r\n        this.type = type;\r\n        this.multipleInstances = false;\r\n        /**\r\n         * Properties to be added to the service namespace\r\n         */\r\n        this.serviceProps = {};\r\n        this.instantiationMode = "LAZY" /* LAZY */;\r\n    }\r\n    Component.prototype.setInstantiationMode = function (mode) {\r\n        this.instantiationMode = mode;\r\n        return this;\r\n    };\r\n    Component.prototype.setMultipleInstances = function (multipleInstances) {\r\n        this.multipleInstances = multipleInstances;\r\n        return this;\r\n    };\r\n    Component.prototype.setServiceProps = function (props) {\r\n        this.serviceProps = props;\r\n        return this;\r\n    };\r\n    return Component;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nvar DEFAULT_ENTRY_NAME = \'[DEFAULT]\';\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * Provider for instance for service name T, e.g. \'auth\', \'auth-internal\'\r\n * NameServiceMapping[T] is an alias for the type of the instance\r\n */\r\nvar Provider = /** @class */ (function () {\r\n    function Provider(name, container) {\r\n        this.name = name;\r\n        this.container = container;\r\n        this.component = null;\r\n        this.instances = new Map();\r\n        this.instancesDeferred = new Map();\r\n    }\r\n    /**\r\n     * @param identifier A provider can provide mulitple instances of a service\r\n     * if this.component.multipleInstances is true.\r\n     */\r\n    Provider.prototype.get = function (identifier) {\r\n        if (identifier === void 0) { identifier = DEFAULT_ENTRY_NAME; }\r\n        // if multipleInstances is not supported, use the default name\r\n        var normalizedIdentifier = this.normalizeInstanceIdentifier(identifier);\r\n        if (!this.instancesDeferred.has(normalizedIdentifier)) {\r\n            var deferred = new util.Deferred();\r\n            this.instancesDeferred.set(normalizedIdentifier, deferred);\r\n            // If the service instance is available, resolve the promise with it immediately\r\n            try {\r\n                var instance = this.getOrInitializeService(normalizedIdentifier);\r\n                if (instance) {\r\n                    deferred.resolve(instance);\r\n                }\r\n            }\r\n            catch (e) {\r\n                // when the instance factory throws an exception during get(), it should not cause\r\n                // a fatal error. We just return the unresolved promise in this case.\r\n            }\r\n        }\r\n        return this.instancesDeferred.get(normalizedIdentifier).promise;\r\n    };\r\n    Provider.prototype.getImmediate = function (options) {\r\n        var _a = tslib.__assign({ identifier: DEFAULT_ENTRY_NAME, optional: false }, options), identifier = _a.identifier, optional = _a.optional;\r\n        // if multipleInstances is not supported, use the default name\r\n        var normalizedIdentifier = this.normalizeInstanceIdentifier(identifier);\r\n        try {\r\n            var instance = this.getOrInitializeService(normalizedIdentifier);\r\n            if (!instance) {\r\n                if (optional) {\r\n                    return null;\r\n                }\r\n                throw Error("Service " + this.name + " is not available");\r\n            }\r\n            return instance;\r\n        }\r\n        catch (e) {\r\n            if (optional) {\r\n                return null;\r\n            }\r\n            else {\r\n                throw e;\r\n            }\r\n        }\r\n    };\r\n    Provider.prototype.getComponent = function () {\r\n        return this.component;\r\n    };\r\n    Provider.prototype.setComponent = function (component) {\r\n        var e_1, _a;\r\n        if (component.name !== this.name) {\r\n            throw Error("Mismatching Component " + component.name + " for Provider " + this.name + ".");\r\n        }\r\n        if (this.component) {\r\n            throw Error("Component for " + this.name + " has already been provided");\r\n        }\r\n        this.component = component;\r\n        // if the service is eager, initialize the default instance\r\n        if (isComponentEager(component)) {\r\n            try {\r\n                this.getOrInitializeService(DEFAULT_ENTRY_NAME);\r\n            }\r\n            catch (e) {\r\n                // when the instance factory for an eager Component throws an exception during the eager\r\n                // initialization, it should not cause a fatal error.\r\n                // TODO: Investigate if we need to make it configurable, because some component may want to cause\r\n                // a fatal error in this case?\r\n            }\r\n        }\r\n        try {\r\n            // Create service instances for the pending promises and resolve them\r\n            // NOTE: if this.multipleInstances is false, only the default instance will be created\r\n            // and all promises with resolve with it regardless of the identifier.\r\n            for (var _b = tslib.__values(this.instancesDeferred.entries()), _c = _b.next(); !_c.done; _c = _b.next()) {\r\n                var _d = tslib.__read(_c.value, 2), instanceIdentifier = _d[0], instanceDeferred = _d[1];\r\n                var normalizedIdentifier = this.normalizeInstanceIdentifier(instanceIdentifier);\r\n                try {\r\n                    // `getOrInitializeService()` should always return a valid instance since a component is guaranteed. use ! to make typescript happy.\r\n                    var instance = this.getOrInitializeService(normalizedIdentifier);\r\n                    instanceDeferred.resolve(instance);\r\n                }\r\n                catch (e) {\r\n                    // when the instance factory throws an exception, it should not cause\r\n                    // a fatal error. We just leave the promise unresolved.\r\n                }\r\n            }\r\n        }\r\n        catch (e_1_1) { e_1 = { error: e_1_1 }; }\r\n        finally {\r\n            try {\r\n                if (_c && !_c.done && (_a = _b.return)) _a.call(_b);\r\n            }\r\n            finally { if (e_1) throw e_1.error; }\r\n        }\r\n    };\r\n    Provider.prototype.clearInstance = function (identifier) {\r\n        if (identifier === void 0) { identifier = DEFAULT_ENTRY_NAME; }\r\n        this.instancesDeferred.delete(identifier);\r\n        this.instances.delete(identifier);\r\n    };\r\n    // app.delete() will call this method on every provider to delete the services\r\n    // TODO: should we mark the provider as deleted?\r\n    Provider.prototype.delete = function () {\r\n        return tslib.__awaiter(this, void 0, void 0, function () {\r\n            var services;\r\n            return tslib.__generator(this, function (_a) {\r\n                switch (_a.label) {\r\n                    case 0:\r\n                        services = Array.from(this.instances.values());\r\n                        return [4 /*yield*/, Promise.all(tslib.__spread(services\r\n                                .filter(function (service) { return \'INTERNAL\' in service; }) // legacy services\r\n                                // eslint-disable-next-line @typescript-eslint/no-explicit-any\r\n                                .map(function (service) { return service.INTERNAL.delete(); }), services\r\n                                .filter(function (service) { return \'_delete\' in service; }) // modularized services\r\n                                // eslint-disable-next-line @typescript-eslint/no-explicit-any\r\n                                .map(function (service) { return service._delete(); })))];\r\n                    case 1:\r\n                        _a.sent();\r\n                        return [2 /*return*/];\r\n                }\r\n            });\r\n        });\r\n    };\r\n    Provider.prototype.isComponentSet = function () {\r\n        return this.component != null;\r\n    };\r\n    Provider.prototype.getOrInitializeService = function (identifier) {\r\n        var instance = this.instances.get(identifier);\r\n        if (!instance && this.component) {\r\n            instance = this.component.instanceFactory(this.container, normalizeIdentifierForFactory(identifier));\r\n            this.instances.set(identifier, instance);\r\n        }\r\n        return instance || null;\r\n    };\r\n    Provider.prototype.normalizeInstanceIdentifier = function (identifier) {\r\n        if (this.component) {\r\n            return this.component.multipleInstances ? identifier : DEFAULT_ENTRY_NAME;\r\n        }\r\n        else {\r\n            return identifier; // assume multiple instances are supported before the component is provided.\r\n        }\r\n    };\r\n    return Provider;\r\n}());\r\n// undefined should be passed to the service factory for the default instance\r\nfunction normalizeIdentifierForFactory(identifier) {\r\n    return identifier === DEFAULT_ENTRY_NAME ? undefined : identifier;\r\n}\r\nfunction isComponentEager(component) {\r\n    return component.instantiationMode === "EAGER" /* EAGER */;\r\n}\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * ComponentContainer that provides Providers for service name T, e.g. `auth`, `auth-internal`\r\n */\r\nvar ComponentContainer = /** @class */ (function () {\r\n    function ComponentContainer(name) {\r\n        this.name = name;\r\n        this.providers = new Map();\r\n    }\r\n    /**\r\n     *\r\n     * @param component Component being added\r\n     * @param overwrite When a component with the same name has already been registered,\r\n     * if overwrite is true: overwrite the existing component with the new component and create a new\r\n     * provider with the new component. It can be useful in tests where you want to use different mocks\r\n     * for different tests.\r\n     * if overwrite is false: throw an exception\r\n     */\r\n    ComponentContainer.prototype.addComponent = function (component) {\r\n        var provider = this.getProvider(component.name);\r\n        if (provider.isComponentSet()) {\r\n            throw new Error("Component " + component.name + " has already been registered with " + this.name);\r\n        }\r\n        provider.setComponent(component);\r\n    };\r\n    ComponentContainer.prototype.addOrOverwriteComponent = function (component) {\r\n        var provider = this.getProvider(component.name);\r\n        if (provider.isComponentSet()) {\r\n            // delete the existing provider from the container, so we can register the new component\r\n            this.providers.delete(component.name);\r\n        }\r\n        this.addComponent(component);\r\n    };\r\n    /**\r\n     * getProvider provides a type safe interface where it can only be called with a field name\r\n     * present in NameServiceMapping interface.\r\n     *\r\n     * Firebase SDKs providing services should extend NameServiceMapping interface to register\r\n     * themselves.\r\n     */\r\n    ComponentContainer.prototype.getProvider = function (name) {\r\n        if (this.providers.has(name)) {\r\n            return this.providers.get(name);\r\n        }\r\n        // create a Provider for a service that hasn\'t registered with Firebase\r\n        var provider = new Provider(name, this);\r\n        this.providers.set(name, provider);\r\n        return provider;\r\n    };\r\n    ComponentContainer.prototype.getProviders = function () {\r\n        return Array.from(this.providers.values());\r\n    };\r\n    return ComponentContainer;\r\n}());\n\nexports.Component = Component;\nexports.ComponentContainer = ComponentContainer;\nexports.Provider = Provider;\n//# sourceMappingURL=index.cjs.js.map\n\n\n//# sourceURL=webpack:///./node_modules/@firebase/component/dist/index.cjs.js?')},function(module,exports,__webpack_require__){"use strict";eval("\n\nif (true) {\n  module.exports = __webpack_require__(13);\n} else {}\n\n\n//# sourceURL=webpack:///./node_modules/react/index.js?")},function(module,exports,__webpack_require__){eval("(function (global, factory) {\n   true ? factory(exports) :\n  undefined;\n}(this, function (exports) { 'use strict';\n\n  function toArray(arr) {\n    return Array.prototype.slice.call(arr);\n  }\n\n  function promisifyRequest(request) {\n    return new Promise(function(resolve, reject) {\n      request.onsuccess = function() {\n        resolve(request.result);\n      };\n\n      request.onerror = function() {\n        reject(request.error);\n      };\n    });\n  }\n\n  function promisifyRequestCall(obj, method, args) {\n    var request;\n    var p = new Promise(function(resolve, reject) {\n      request = obj[method].apply(obj, args);\n      promisifyRequest(request).then(resolve, reject);\n    });\n\n    p.request = request;\n    return p;\n  }\n\n  function promisifyCursorRequestCall(obj, method, args) {\n    var p = promisifyRequestCall(obj, method, args);\n    return p.then(function(value) {\n      if (!value) return;\n      return new Cursor(value, p.request);\n    });\n  }\n\n  function proxyProperties(ProxyClass, targetProp, properties) {\n    properties.forEach(function(prop) {\n      Object.defineProperty(ProxyClass.prototype, prop, {\n        get: function() {\n          return this[targetProp][prop];\n        },\n        set: function(val) {\n          this[targetProp][prop] = val;\n        }\n      });\n    });\n  }\n\n  function proxyRequestMethods(ProxyClass, targetProp, Constructor, properties) {\n    properties.forEach(function(prop) {\n      if (!(prop in Constructor.prototype)) return;\n      ProxyClass.prototype[prop] = function() {\n        return promisifyRequestCall(this[targetProp], prop, arguments);\n      };\n    });\n  }\n\n  function proxyMethods(ProxyClass, targetProp, Constructor, properties) {\n    properties.forEach(function(prop) {\n      if (!(prop in Constructor.prototype)) return;\n      ProxyClass.prototype[prop] = function() {\n        return this[targetProp][prop].apply(this[targetProp], arguments);\n      };\n    });\n  }\n\n  function proxyCursorRequestMethods(ProxyClass, targetProp, Constructor, properties) {\n    properties.forEach(function(prop) {\n      if (!(prop in Constructor.prototype)) return;\n      ProxyClass.prototype[prop] = function() {\n        return promisifyCursorRequestCall(this[targetProp], prop, arguments);\n      };\n    });\n  }\n\n  function Index(index) {\n    this._index = index;\n  }\n\n  proxyProperties(Index, '_index', [\n    'name',\n    'keyPath',\n    'multiEntry',\n    'unique'\n  ]);\n\n  proxyRequestMethods(Index, '_index', IDBIndex, [\n    'get',\n    'getKey',\n    'getAll',\n    'getAllKeys',\n    'count'\n  ]);\n\n  proxyCursorRequestMethods(Index, '_index', IDBIndex, [\n    'openCursor',\n    'openKeyCursor'\n  ]);\n\n  function Cursor(cursor, request) {\n    this._cursor = cursor;\n    this._request = request;\n  }\n\n  proxyProperties(Cursor, '_cursor', [\n    'direction',\n    'key',\n    'primaryKey',\n    'value'\n  ]);\n\n  proxyRequestMethods(Cursor, '_cursor', IDBCursor, [\n    'update',\n    'delete'\n  ]);\n\n  // proxy 'next' methods\n  ['advance', 'continue', 'continuePrimaryKey'].forEach(function(methodName) {\n    if (!(methodName in IDBCursor.prototype)) return;\n    Cursor.prototype[methodName] = function() {\n      var cursor = this;\n      var args = arguments;\n      return Promise.resolve().then(function() {\n        cursor._cursor[methodName].apply(cursor._cursor, args);\n        return promisifyRequest(cursor._request).then(function(value) {\n          if (!value) return;\n          return new Cursor(value, cursor._request);\n        });\n      });\n    };\n  });\n\n  function ObjectStore(store) {\n    this._store = store;\n  }\n\n  ObjectStore.prototype.createIndex = function() {\n    return new Index(this._store.createIndex.apply(this._store, arguments));\n  };\n\n  ObjectStore.prototype.index = function() {\n    return new Index(this._store.index.apply(this._store, arguments));\n  };\n\n  proxyProperties(ObjectStore, '_store', [\n    'name',\n    'keyPath',\n    'indexNames',\n    'autoIncrement'\n  ]);\n\n  proxyRequestMethods(ObjectStore, '_store', IDBObjectStore, [\n    'put',\n    'add',\n    'delete',\n    'clear',\n    'get',\n    'getAll',\n    'getKey',\n    'getAllKeys',\n    'count'\n  ]);\n\n  proxyCursorRequestMethods(ObjectStore, '_store', IDBObjectStore, [\n    'openCursor',\n    'openKeyCursor'\n  ]);\n\n  proxyMethods(ObjectStore, '_store', IDBObjectStore, [\n    'deleteIndex'\n  ]);\n\n  function Transaction(idbTransaction) {\n    this._tx = idbTransaction;\n    this.complete = new Promise(function(resolve, reject) {\n      idbTransaction.oncomplete = function() {\n        resolve();\n      };\n      idbTransaction.onerror = function() {\n        reject(idbTransaction.error);\n      };\n      idbTransaction.onabort = function() {\n        reject(idbTransaction.error);\n      };\n    });\n  }\n\n  Transaction.prototype.objectStore = function() {\n    return new ObjectStore(this._tx.objectStore.apply(this._tx, arguments));\n  };\n\n  proxyProperties(Transaction, '_tx', [\n    'objectStoreNames',\n    'mode'\n  ]);\n\n  proxyMethods(Transaction, '_tx', IDBTransaction, [\n    'abort'\n  ]);\n\n  function UpgradeDB(db, oldVersion, transaction) {\n    this._db = db;\n    this.oldVersion = oldVersion;\n    this.transaction = new Transaction(transaction);\n  }\n\n  UpgradeDB.prototype.createObjectStore = function() {\n    return new ObjectStore(this._db.createObjectStore.apply(this._db, arguments));\n  };\n\n  proxyProperties(UpgradeDB, '_db', [\n    'name',\n    'version',\n    'objectStoreNames'\n  ]);\n\n  proxyMethods(UpgradeDB, '_db', IDBDatabase, [\n    'deleteObjectStore',\n    'close'\n  ]);\n\n  function DB(db) {\n    this._db = db;\n  }\n\n  DB.prototype.transaction = function() {\n    return new Transaction(this._db.transaction.apply(this._db, arguments));\n  };\n\n  proxyProperties(DB, '_db', [\n    'name',\n    'version',\n    'objectStoreNames'\n  ]);\n\n  proxyMethods(DB, '_db', IDBDatabase, [\n    'close'\n  ]);\n\n  // Add cursor iterators\n  // TODO: remove this once browsers do the right thing with promises\n  ['openCursor', 'openKeyCursor'].forEach(function(funcName) {\n    [ObjectStore, Index].forEach(function(Constructor) {\n      // Don't create iterateKeyCursor if openKeyCursor doesn't exist.\n      if (!(funcName in Constructor.prototype)) return;\n\n      Constructor.prototype[funcName.replace('open', 'iterate')] = function() {\n        var args = toArray(arguments);\n        var callback = args[args.length - 1];\n        var nativeObject = this._store || this._index;\n        var request = nativeObject[funcName].apply(nativeObject, args.slice(0, -1));\n        request.onsuccess = function() {\n          callback(request.result);\n        };\n      };\n    });\n  });\n\n  // polyfill getAll\n  [Index, ObjectStore].forEach(function(Constructor) {\n    if (Constructor.prototype.getAll) return;\n    Constructor.prototype.getAll = function(query, count) {\n      var instance = this;\n      var items = [];\n\n      return new Promise(function(resolve) {\n        instance.iterateCursor(query, function(cursor) {\n          if (!cursor) {\n            resolve(items);\n            return;\n          }\n          items.push(cursor.value);\n\n          if (count !== undefined && items.length == count) {\n            resolve(items);\n            return;\n          }\n          cursor.continue();\n        });\n      });\n    };\n  });\n\n  function openDb(name, version, upgradeCallback) {\n    var p = promisifyRequestCall(indexedDB, 'open', [name, version]);\n    var request = p.request;\n\n    if (request) {\n      request.onupgradeneeded = function(event) {\n        if (upgradeCallback) {\n          upgradeCallback(new UpgradeDB(request.result, event.oldVersion, request.transaction));\n        }\n      };\n    }\n\n    return p.then(function(db) {\n      return new DB(db);\n    });\n  }\n\n  function deleteDb(name) {\n    return promisifyRequestCall(indexedDB, 'deleteDatabase', [name]);\n  }\n\n  exports.openDb = openDb;\n  exports.deleteDb = deleteDb;\n\n  Object.defineProperty(exports, '__esModule', { value: true });\n\n}));\n\n\n//# sourceURL=webpack:///./node_modules/idb/build/idb.js?")},function(module,__webpack_exports__,__webpack_require__){"use strict";eval('__webpack_require__.r(__webpack_exports__);\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "LogLevel", function() { return LogLevel; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "Logger", function() { return Logger; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "setLogLevel", function() { return setLogLevel; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "setUserLogHandler", function() { return setUserLogHandler; });\n/*! *****************************************************************************\r\nCopyright (c) Microsoft Corporation. All rights reserved.\r\nLicensed under the Apache License, Version 2.0 (the "License"); you may not use\r\nthis file except in compliance with the License. You may obtain a copy of the\r\nLicense at http://www.apache.org/licenses/LICENSE-2.0\r\n\r\nTHIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\r\nKIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED\r\nWARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,\r\nMERCHANTABLITY OR NON-INFRINGEMENT.\r\n\r\nSee the Apache Version 2.0 License for specific language governing permissions\r\nand limitations under the License.\r\n***************************************************************************** */\r\n\r\nfunction __spreadArrays() {\r\n    for (var s = 0, i = 0, il = arguments.length; i < il; i++) s += arguments[i].length;\r\n    for (var r = Array(s), k = 0, i = 0; i < il; i++)\r\n        for (var a = arguments[i], j = 0, jl = a.length; j < jl; j++, k++)\r\n            r[k] = a[j];\r\n    return r;\r\n}\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nvar _a;\r\n/**\r\n * A container for all of the Logger instances\r\n */\r\nvar instances = [];\r\n/**\r\n * The JS SDK supports 5 log levels and also allows a user the ability to\r\n * silence the logs altogether.\r\n *\r\n * The order is a follows:\r\n * DEBUG < VERBOSE < INFO < WARN < ERROR\r\n *\r\n * All of the log types above the current log level will be captured (i.e. if\r\n * you set the log level to `INFO`, errors will still be logged, but `DEBUG` and\r\n * `VERBOSE` logs will not)\r\n */\r\nvar LogLevel;\r\n(function (LogLevel) {\r\n    LogLevel[LogLevel["DEBUG"] = 0] = "DEBUG";\r\n    LogLevel[LogLevel["VERBOSE"] = 1] = "VERBOSE";\r\n    LogLevel[LogLevel["INFO"] = 2] = "INFO";\r\n    LogLevel[LogLevel["WARN"] = 3] = "WARN";\r\n    LogLevel[LogLevel["ERROR"] = 4] = "ERROR";\r\n    LogLevel[LogLevel["SILENT"] = 5] = "SILENT";\r\n})(LogLevel || (LogLevel = {}));\r\nvar levelStringToEnum = {\r\n    \'debug\': LogLevel.DEBUG,\r\n    \'verbose\': LogLevel.VERBOSE,\r\n    \'info\': LogLevel.INFO,\r\n    \'warn\': LogLevel.WARN,\r\n    \'error\': LogLevel.ERROR,\r\n    \'silent\': LogLevel.SILENT\r\n};\r\n/**\r\n * The default log level\r\n */\r\nvar defaultLogLevel = LogLevel.INFO;\r\n/**\r\n * By default, `console.debug` is not displayed in the developer console (in\r\n * chrome). To avoid forcing users to have to opt-in to these logs twice\r\n * (i.e. once for firebase, and once in the console), we are sending `DEBUG`\r\n * logs to the `console.log` function.\r\n */\r\nvar ConsoleMethod = (_a = {},\r\n    _a[LogLevel.DEBUG] = \'log\',\r\n    _a[LogLevel.VERBOSE] = \'log\',\r\n    _a[LogLevel.INFO] = \'info\',\r\n    _a[LogLevel.WARN] = \'warn\',\r\n    _a[LogLevel.ERROR] = \'error\',\r\n    _a);\r\n/**\r\n * The default log handler will forward DEBUG, VERBOSE, INFO, WARN, and ERROR\r\n * messages on to their corresponding console counterparts (if the log method\r\n * is supported by the current log level)\r\n */\r\nvar defaultLogHandler = function (instance, logType) {\r\n    var args = [];\r\n    for (var _i = 2; _i < arguments.length; _i++) {\r\n        args[_i - 2] = arguments[_i];\r\n    }\r\n    if (logType < instance.logLevel) {\r\n        return;\r\n    }\r\n    var now = new Date().toISOString();\r\n    var method = ConsoleMethod[logType];\r\n    if (method) {\r\n        console[method].apply(console, __spreadArrays(["[" + now + "]  " + instance.name + ":"], args));\r\n    }\r\n    else {\r\n        throw new Error("Attempted to log a message with an invalid logType (value: " + logType + ")");\r\n    }\r\n};\r\nvar Logger = /** @class */ (function () {\r\n    /**\r\n     * Gives you an instance of a Logger to capture messages according to\r\n     * Firebase\'s logging scheme.\r\n     *\r\n     * @param name The name that the logs will be associated with\r\n     */\r\n    function Logger(name) {\r\n        this.name = name;\r\n        /**\r\n         * The log level of the given Logger instance.\r\n         */\r\n        this._logLevel = defaultLogLevel;\r\n        /**\r\n         * The main (internal) log handler for the Logger instance.\r\n         * Can be set to a new function in internal package code but not by user.\r\n         */\r\n        this._logHandler = defaultLogHandler;\r\n        /**\r\n         * The optional, additional, user-defined log handler for the Logger instance.\r\n         */\r\n        this._userLogHandler = null;\r\n        /**\r\n         * Capture the current instance for later use\r\n         */\r\n        instances.push(this);\r\n    }\r\n    Object.defineProperty(Logger.prototype, "logLevel", {\r\n        get: function () {\r\n            return this._logLevel;\r\n        },\r\n        set: function (val) {\r\n            if (!(val in LogLevel)) {\r\n                throw new TypeError("Invalid value \\"" + val + "\\" assigned to `logLevel`");\r\n            }\r\n            this._logLevel = val;\r\n        },\r\n        enumerable: false,\r\n        configurable: true\r\n    });\r\n    // Workaround for setter/getter having to be the same type.\r\n    Logger.prototype.setLogLevel = function (val) {\r\n        this._logLevel = typeof val === \'string\' ? levelStringToEnum[val] : val;\r\n    };\r\n    Object.defineProperty(Logger.prototype, "logHandler", {\r\n        get: function () {\r\n            return this._logHandler;\r\n        },\r\n        set: function (val) {\r\n            if (typeof val !== \'function\') {\r\n                throw new TypeError(\'Value assigned to `logHandler` must be a function\');\r\n            }\r\n            this._logHandler = val;\r\n        },\r\n        enumerable: false,\r\n        configurable: true\r\n    });\r\n    Object.defineProperty(Logger.prototype, "userLogHandler", {\r\n        get: function () {\r\n            return this._userLogHandler;\r\n        },\r\n        set: function (val) {\r\n            this._userLogHandler = val;\r\n        },\r\n        enumerable: false,\r\n        configurable: true\r\n    });\r\n    /**\r\n     * The functions below are all based on the `console` interface\r\n     */\r\n    Logger.prototype.debug = function () {\r\n        var args = [];\r\n        for (var _i = 0; _i < arguments.length; _i++) {\r\n            args[_i] = arguments[_i];\r\n        }\r\n        this._userLogHandler && this._userLogHandler.apply(this, __spreadArrays([this, LogLevel.DEBUG], args));\r\n        this._logHandler.apply(this, __spreadArrays([this, LogLevel.DEBUG], args));\r\n    };\r\n    Logger.prototype.log = function () {\r\n        var args = [];\r\n        for (var _i = 0; _i < arguments.length; _i++) {\r\n            args[_i] = arguments[_i];\r\n        }\r\n        this._userLogHandler && this._userLogHandler.apply(this, __spreadArrays([this, LogLevel.VERBOSE], args));\r\n        this._logHandler.apply(this, __spreadArrays([this, LogLevel.VERBOSE], args));\r\n    };\r\n    Logger.prototype.info = function () {\r\n        var args = [];\r\n        for (var _i = 0; _i < arguments.length; _i++) {\r\n            args[_i] = arguments[_i];\r\n        }\r\n        this._userLogHandler && this._userLogHandler.apply(this, __spreadArrays([this, LogLevel.INFO], args));\r\n        this._logHandler.apply(this, __spreadArrays([this, LogLevel.INFO], args));\r\n    };\r\n    Logger.prototype.warn = function () {\r\n        var args = [];\r\n        for (var _i = 0; _i < arguments.length; _i++) {\r\n            args[_i] = arguments[_i];\r\n        }\r\n        this._userLogHandler && this._userLogHandler.apply(this, __spreadArrays([this, LogLevel.WARN], args));\r\n        this._logHandler.apply(this, __spreadArrays([this, LogLevel.WARN], args));\r\n    };\r\n    Logger.prototype.error = function () {\r\n        var args = [];\r\n        for (var _i = 0; _i < arguments.length; _i++) {\r\n            args[_i] = arguments[_i];\r\n        }\r\n        this._userLogHandler && this._userLogHandler.apply(this, __spreadArrays([this, LogLevel.ERROR], args));\r\n        this._logHandler.apply(this, __spreadArrays([this, LogLevel.ERROR], args));\r\n    };\r\n    return Logger;\r\n}());\r\nfunction setLogLevel(level) {\r\n    instances.forEach(function (inst) {\r\n        inst.setLogLevel(level);\r\n    });\r\n}\r\nfunction setUserLogHandler(logCallback, options) {\r\n    var _loop_1 = function (instance) {\r\n        var customLogLevel = null;\r\n        if (options && options.level) {\r\n            customLogLevel = levelStringToEnum[options.level];\r\n        }\r\n        if (logCallback === null) {\r\n            instance.userLogHandler = null;\r\n        }\r\n        else {\r\n            instance.userLogHandler = function (instance, level) {\r\n                var args = [];\r\n                for (var _i = 2; _i < arguments.length; _i++) {\r\n                    args[_i - 2] = arguments[_i];\r\n                }\r\n                var message = args\r\n                    .map(function (arg) {\r\n                    if (arg == null) {\r\n                        return null;\r\n                    }\r\n                    else if (typeof arg === \'string\') {\r\n                        return arg;\r\n                    }\r\n                    else if (typeof arg === \'number\' || typeof arg === \'boolean\') {\r\n                        return arg.toString();\r\n                    }\r\n                    else if (arg instanceof Error) {\r\n                        return arg.message;\r\n                    }\r\n                    else {\r\n                        try {\r\n                            return JSON.stringify(arg);\r\n                        }\r\n                        catch (ignored) {\r\n                            return null;\r\n                        }\r\n                    }\r\n                })\r\n                    .filter(function (arg) { return arg; })\r\n                    .join(\' \');\r\n                if (level >= (customLogLevel !== null && customLogLevel !== void 0 ? customLogLevel : instance.logLevel)) {\r\n                    logCallback({\r\n                        level: LogLevel[level].toLowerCase(),\r\n                        message: message,\r\n                        args: args,\r\n                        type: instance.name\r\n                    });\r\n                }\r\n            };\r\n        }\r\n    };\r\n    for (var _i = 0, instances_1 = instances; _i < instances_1.length; _i++) {\r\n        var instance = instances_1[_i];\r\n        _loop_1(instance);\r\n    }\r\n}\n\n\n//# sourceMappingURL=index.esm.js.map\n\n\n//# sourceURL=webpack:///./node_modules/@firebase/logger/dist/index.esm.js?')},function(module,exports){eval("// shim for using process in browser\nvar process = module.exports = {};\n\n// cached from whatever global is present so that test runners that stub it\n// don't break things.  But we need to wrap it in a try catch in case it is\n// wrapped in strict mode code which doesn't define any globals.  It's inside a\n// function because try/catches deoptimize in certain engines.\n\nvar cachedSetTimeout;\nvar cachedClearTimeout;\n\nfunction defaultSetTimout() {\n    throw new Error('setTimeout has not been defined');\n}\nfunction defaultClearTimeout () {\n    throw new Error('clearTimeout has not been defined');\n}\n(function () {\n    try {\n        if (typeof setTimeout === 'function') {\n            cachedSetTimeout = setTimeout;\n        } else {\n            cachedSetTimeout = defaultSetTimout;\n        }\n    } catch (e) {\n        cachedSetTimeout = defaultSetTimout;\n    }\n    try {\n        if (typeof clearTimeout === 'function') {\n            cachedClearTimeout = clearTimeout;\n        } else {\n            cachedClearTimeout = defaultClearTimeout;\n        }\n    } catch (e) {\n        cachedClearTimeout = defaultClearTimeout;\n    }\n} ())\nfunction runTimeout(fun) {\n    if (cachedSetTimeout === setTimeout) {\n        //normal enviroments in sane situations\n        return setTimeout(fun, 0);\n    }\n    // if setTimeout wasn't available but was latter defined\n    if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) {\n        cachedSetTimeout = setTimeout;\n        return setTimeout(fun, 0);\n    }\n    try {\n        // when when somebody has screwed with setTimeout but no I.E. maddness\n        return cachedSetTimeout(fun, 0);\n    } catch(e){\n        try {\n            // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally\n            return cachedSetTimeout.call(null, fun, 0);\n        } catch(e){\n            // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error\n            return cachedSetTimeout.call(this, fun, 0);\n        }\n    }\n\n\n}\nfunction runClearTimeout(marker) {\n    if (cachedClearTimeout === clearTimeout) {\n        //normal enviroments in sane situations\n        return clearTimeout(marker);\n    }\n    // if clearTimeout wasn't available but was latter defined\n    if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) {\n        cachedClearTimeout = clearTimeout;\n        return clearTimeout(marker);\n    }\n    try {\n        // when when somebody has screwed with setTimeout but no I.E. maddness\n        return cachedClearTimeout(marker);\n    } catch (e){\n        try {\n            // When we are in I.E. but the script has been evaled so I.E. doesn't  trust the global object when called normally\n            return cachedClearTimeout.call(null, marker);\n        } catch (e){\n            // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error.\n            // Some versions of I.E. have different rules for clearTimeout vs setTimeout\n            return cachedClearTimeout.call(this, marker);\n        }\n    }\n\n\n\n}\nvar queue = [];\nvar draining = false;\nvar currentQueue;\nvar queueIndex = -1;\n\nfunction cleanUpNextTick() {\n    if (!draining || !currentQueue) {\n        return;\n    }\n    draining = false;\n    if (currentQueue.length) {\n        queue = currentQueue.concat(queue);\n    } else {\n        queueIndex = -1;\n    }\n    if (queue.length) {\n        drainQueue();\n    }\n}\n\nfunction drainQueue() {\n    if (draining) {\n        return;\n    }\n    var timeout = runTimeout(cleanUpNextTick);\n    draining = true;\n\n    var len = queue.length;\n    while(len) {\n        currentQueue = queue;\n        queue = [];\n        while (++queueIndex < len) {\n            if (currentQueue) {\n                currentQueue[queueIndex].run();\n            }\n        }\n        queueIndex = -1;\n        len = queue.length;\n    }\n    currentQueue = null;\n    draining = false;\n    runClearTimeout(timeout);\n}\n\nprocess.nextTick = function (fun) {\n    var args = new Array(arguments.length - 1);\n    if (arguments.length > 1) {\n        for (var i = 1; i < arguments.length; i++) {\n            args[i - 1] = arguments[i];\n        }\n    }\n    queue.push(new Item(fun, args));\n    if (queue.length === 1 && !draining) {\n        runTimeout(drainQueue);\n    }\n};\n\n// v8 likes predictible objects\nfunction Item(fun, array) {\n    this.fun = fun;\n    this.array = array;\n}\nItem.prototype.run = function () {\n    this.fun.apply(null, this.array);\n};\nprocess.title = 'browser';\nprocess.browser = true;\nprocess.env = {};\nprocess.argv = [];\nprocess.version = ''; // empty string to avoid regexp issues\nprocess.versions = {};\n\nfunction noop() {}\n\nprocess.on = noop;\nprocess.addListener = noop;\nprocess.once = noop;\nprocess.off = noop;\nprocess.removeListener = noop;\nprocess.removeAllListeners = noop;\nprocess.emit = noop;\nprocess.prependListener = noop;\nprocess.prependOnceListener = noop;\n\nprocess.listeners = function (name) { return [] }\n\nprocess.binding = function (name) {\n    throw new Error('process.binding is not supported');\n};\n\nprocess.cwd = function () { return '/' };\nprocess.chdir = function (dir) {\n    throw new Error('process.chdir is not supported');\n};\nprocess.umask = function() { return 0; };\n\n\n//# sourceURL=webpack:///./node_modules/process/browser.js?")},function(module,__webpack_exports__,__webpack_require__){"use strict";eval('__webpack_require__.r(__webpack_exports__);\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "registerInstallations", function() { return registerInstallations; });\n/* harmony import */ var _firebase_app__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(2);\n/* harmony import */ var _firebase_app__WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(_firebase_app__WEBPACK_IMPORTED_MODULE_0__);\n/* harmony import */ var _firebase_component__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(3);\n/* harmony import */ var _firebase_component__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(_firebase_component__WEBPACK_IMPORTED_MODULE_1__);\n/* harmony import */ var tslib__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(0);\n/* harmony import */ var _firebase_util__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(1);\n/* harmony import */ var _firebase_util__WEBPACK_IMPORTED_MODULE_3___default = /*#__PURE__*/__webpack_require__.n(_firebase_util__WEBPACK_IMPORTED_MODULE_3__);\n/* harmony import */ var idb__WEBPACK_IMPORTED_MODULE_4__ = __webpack_require__(5);\n/* harmony import */ var idb__WEBPACK_IMPORTED_MODULE_4___default = /*#__PURE__*/__webpack_require__.n(idb__WEBPACK_IMPORTED_MODULE_4__);\n\n\n\n\n\n\nvar name = "@firebase/installations";\nvar version = "0.4.17";\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nvar PENDING_TIMEOUT_MS = 10000;\r\nvar PACKAGE_VERSION = "w:" + version;\r\nvar INTERNAL_AUTH_VERSION = \'FIS_v2\';\r\nvar INSTALLATIONS_API_URL = \'https://firebaseinstallations.googleapis.com/v1\';\r\nvar TOKEN_EXPIRATION_BUFFER = 60 * 60 * 1000; // One hour\r\nvar SERVICE = \'installations\';\r\nvar SERVICE_NAME = \'Installations\';\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nvar _a;\r\nvar ERROR_DESCRIPTION_MAP = (_a = {},\r\n    _a["missing-app-config-values" /* MISSING_APP_CONFIG_VALUES */] = \'Missing App configuration value: "{$valueName}"\',\r\n    _a["not-registered" /* NOT_REGISTERED */] = \'Firebase Installation is not registered.\',\r\n    _a["installation-not-found" /* INSTALLATION_NOT_FOUND */] = \'Firebase Installation not found.\',\r\n    _a["request-failed" /* REQUEST_FAILED */] = \'{$requestName} request failed with error "{$serverCode} {$serverStatus}: {$serverMessage}"\',\r\n    _a["app-offline" /* APP_OFFLINE */] = \'Could not process request. Application offline.\',\r\n    _a["delete-pending-registration" /* DELETE_PENDING_REGISTRATION */] = "Can\'t delete installation while there is a pending registration request.",\r\n    _a);\r\nvar ERROR_FACTORY = new _firebase_util__WEBPACK_IMPORTED_MODULE_3__["ErrorFactory"](SERVICE, SERVICE_NAME, ERROR_DESCRIPTION_MAP);\r\n/** Returns true if error is a FirebaseError that is based on an error from the server. */\r\nfunction isServerError(error) {\r\n    return (error instanceof _firebase_util__WEBPACK_IMPORTED_MODULE_3__["FirebaseError"] &&\r\n        error.code.includes("request-failed" /* REQUEST_FAILED */));\r\n}\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nfunction getInstallationsEndpoint(_a) {\r\n    var projectId = _a.projectId;\r\n    return INSTALLATIONS_API_URL + "/projects/" + projectId + "/installations";\r\n}\r\nfunction extractAuthTokenInfoFromResponse(response) {\r\n    return {\r\n        token: response.token,\r\n        requestStatus: 2 /* COMPLETED */,\r\n        expiresIn: getExpiresInFromResponseExpiresIn(response.expiresIn),\r\n        creationTime: Date.now()\r\n    };\r\n}\r\nfunction getErrorFromResponse(requestName, response) {\r\n    return Object(tslib__WEBPACK_IMPORTED_MODULE_2__["__awaiter"])(this, void 0, void 0, function () {\r\n        var responseJson, errorData;\r\n        return Object(tslib__WEBPACK_IMPORTED_MODULE_2__["__generator"])(this, function (_a) {\r\n            switch (_a.label) {\r\n                case 0: return [4 /*yield*/, response.json()];\r\n                case 1:\r\n                    responseJson = _a.sent();\r\n                    errorData = responseJson.error;\r\n                    return [2 /*return*/, ERROR_FACTORY.create("request-failed" /* REQUEST_FAILED */, {\r\n                            requestName: requestName,\r\n                            serverCode: errorData.code,\r\n                            serverMessage: errorData.message,\r\n                            serverStatus: errorData.status\r\n                        })];\r\n            }\r\n        });\r\n    });\r\n}\r\nfunction getHeaders(_a) {\r\n    var apiKey = _a.apiKey;\r\n    return new Headers({\r\n        \'Content-Type\': \'application/json\',\r\n        Accept: \'application/json\',\r\n        \'x-goog-api-key\': apiKey\r\n    });\r\n}\r\nfunction getHeadersWithAuth(appConfig, _a) {\r\n    var refreshToken = _a.refreshToken;\r\n    var headers = getHeaders(appConfig);\r\n    headers.append(\'Authorization\', getAuthorizationHeader(refreshToken));\r\n    return headers;\r\n}\r\n/**\r\n * Calls the passed in fetch wrapper and returns the response.\r\n * If the returned response has a status of 5xx, re-runs the function once and\r\n * returns the response.\r\n */\r\nfunction retryIfServerError(fn) {\r\n    return Object(tslib__WEBPACK_IMPORTED_MODULE_2__["__awaiter"])(this, void 0, void 0, function () {\r\n        var result;\r\n        return Object(tslib__WEBPACK_IMPORTED_MODULE_2__["__generator"])(this, function (_a) {\r\n            switch (_a.label) {\r\n                case 0: return [4 /*yield*/, fn()];\r\n                case 1:\r\n                    result = _a.sent();\r\n                    if (result.status >= 500 && result.status < 600) {\r\n                        // Internal Server Error. Retry request.\r\n                        return [2 /*return*/, fn()];\r\n                    }\r\n                    return [2 /*return*/, result];\r\n            }\r\n        });\r\n    });\r\n}\r\nfunction getExpiresInFromResponseExpiresIn(responseExpiresIn) {\r\n    // This works because the server will never respond with fractions of a second.\r\n    return Number(responseExpiresIn.replace(\'s\', \'000\'));\r\n}\r\nfunction getAuthorizationHeader(refreshToken) {\r\n    return INTERNAL_AUTH_VERSION + " " + refreshToken;\r\n}\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nfunction createInstallationRequest(appConfig, _a) {\r\n    var fid = _a.fid;\r\n    return Object(tslib__WEBPACK_IMPORTED_MODULE_2__["__awaiter"])(this, void 0, void 0, function () {\r\n        var endpoint, headers, body, request, response, responseValue, registeredInstallationEntry;\r\n        return Object(tslib__WEBPACK_IMPORTED_MODULE_2__["__generator"])(this, function (_b) {\r\n            switch (_b.label) {\r\n                case 0:\r\n                    endpoint = getInstallationsEndpoint(appConfig);\r\n                    headers = getHeaders(appConfig);\r\n                    body = {\r\n                        fid: fid,\r\n                        authVersion: INTERNAL_AUTH_VERSION,\r\n                        appId: appConfig.appId,\r\n                        sdkVersion: PACKAGE_VERSION\r\n                    };\r\n                    request = {\r\n                        method: \'POST\',\r\n                        headers: headers,\r\n                        body: JSON.stringify(body)\r\n                    };\r\n                    return [4 /*yield*/, retryIfServerError(function () { return fetch(endpoint, request); })];\r\n                case 1:\r\n                    response = _b.sent();\r\n                    if (!response.ok) return [3 /*break*/, 3];\r\n                    return [4 /*yield*/, response.json()];\r\n                case 2:\r\n                    responseValue = _b.sent();\r\n                    registeredInstallationEntry = {\r\n                        fid: responseValue.fid || fid,\r\n                        registrationStatus: 2 /* COMPLETED */,\r\n                        refreshToken: responseValue.refreshToken,\r\n                        authToken: extractAuthTokenInfoFromResponse(responseValue.authToken)\r\n                    };\r\n                    return [2 /*return*/, registeredInstallationEntry];\r\n                case 3: return [4 /*yield*/, getErrorFromResponse(\'Create Installation\', response)];\r\n                case 4: throw _b.sent();\r\n            }\r\n        });\r\n    });\r\n}\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/** Returns a promise that resolves after given time passes. */\r\nfunction sleep(ms) {\r\n    return new Promise(function (resolve) {\r\n        setTimeout(resolve, ms);\r\n    });\r\n}\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nfunction bufferToBase64UrlSafe(array) {\r\n    var b64 = btoa(String.fromCharCode.apply(String, Object(tslib__WEBPACK_IMPORTED_MODULE_2__["__spread"])(array)));\r\n    return b64.replace(/\\+/g, \'-\').replace(/\\//g, \'_\');\r\n}\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nvar VALID_FID_PATTERN = /^[cdef][\\w-]{21}$/;\r\nvar INVALID_FID = \'\';\r\n/**\r\n * Generates a new FID using random values from Web Crypto API.\r\n * Returns an empty string if FID generation fails for any reason.\r\n */\r\nfunction generateFid() {\r\n    try {\r\n        // A valid FID has exactly 22 base64 characters, which is 132 bits, or 16.5\r\n        // bytes. our implementation generates a 17 byte array instead.\r\n        var fidByteArray = new Uint8Array(17);\r\n        var crypto_1 = self.crypto || self.msCrypto;\r\n        crypto_1.getRandomValues(fidByteArray);\r\n        // Replace the first 4 random bits with the constant FID header of 0b0111.\r\n        fidByteArray[0] = 112 + (fidByteArray[0] % 16);\r\n        var fid = encode(fidByteArray);\r\n        return VALID_FID_PATTERN.test(fid) ? fid : INVALID_FID;\r\n    }\r\n    catch (_a) {\r\n        // FID generation errored\r\n        return INVALID_FID;\r\n    }\r\n}\r\n/** Converts a FID Uint8Array to a base64 string representation. */\r\nfunction encode(fidByteArray) {\r\n    var b64String = bufferToBase64UrlSafe(fidByteArray);\r\n    // Remove the 23rd character that was added because of the extra 4 bits at the\r\n    // end of our 17 byte array, and the \'=\' padding.\r\n    return b64String.substr(0, 22);\r\n}\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/** Returns a string key that can be used to identify the app. */\r\nfunction getKey(appConfig) {\r\n    return appConfig.appName + "!" + appConfig.appId;\r\n}\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nvar fidChangeCallbacks = new Map();\r\n/**\r\n * Calls the onIdChange callbacks with the new FID value, and broadcasts the\r\n * change to other tabs.\r\n */\r\nfunction fidChanged(appConfig, fid) {\r\n    var key = getKey(appConfig);\r\n    callFidChangeCallbacks(key, fid);\r\n    broadcastFidChange(key, fid);\r\n}\r\nfunction addCallback(appConfig, callback) {\r\n    // Open the broadcast channel if it\'s not already open,\r\n    // to be able to listen to change events from other tabs.\r\n    getBroadcastChannel();\r\n    var key = getKey(appConfig);\r\n    var callbackSet = fidChangeCallbacks.get(key);\r\n    if (!callbackSet) {\r\n        callbackSet = new Set();\r\n        fidChangeCallbacks.set(key, callbackSet);\r\n    }\r\n    callbackSet.add(callback);\r\n}\r\nfunction removeCallback(appConfig, callback) {\r\n    var key = getKey(appConfig);\r\n    var callbackSet = fidChangeCallbacks.get(key);\r\n    if (!callbackSet) {\r\n        return;\r\n    }\r\n    callbackSet.delete(callback);\r\n    if (callbackSet.size === 0) {\r\n        fidChangeCallbacks.delete(key);\r\n    }\r\n    // Close broadcast channel if there are no more callbacks.\r\n    closeBroadcastChannel();\r\n}\r\nfunction callFidChangeCallbacks(key, fid) {\r\n    var e_1, _a;\r\n    var callbacks = fidChangeCallbacks.get(key);\r\n    if (!callbacks) {\r\n        return;\r\n    }\r\n    try {\r\n        for (var callbacks_1 = Object(tslib__WEBPACK_IMPORTED_MODULE_2__["__values"])(callbacks), callbacks_1_1 = callbacks_1.next(); !callbacks_1_1.done; callbacks_1_1 = callbacks_1.next()) {\r\n            var callback = callbacks_1_1.value;\r\n            callback(fid);\r\n        }\r\n    }\r\n    catch (e_1_1) { e_1 = { error: e_1_1 }; }\r\n    finally {\r\n        try {\r\n            if (callbacks_1_1 && !callbacks_1_1.done && (_a = callbacks_1.return)) _a.call(callbacks_1);\r\n        }\r\n        finally { if (e_1) throw e_1.error; }\r\n    }\r\n}\r\nfunction broadcastFidChange(key, fid) {\r\n    var channel = getBroadcastChannel();\r\n    if (channel) {\r\n        channel.postMessage({ key: key, fid: fid });\r\n    }\r\n    closeBroadcastChannel();\r\n}\r\nvar broadcastChannel = null;\r\n/** Opens and returns a BroadcastChannel if it is supported by the browser. */\r\nfunction getBroadcastChannel() {\r\n    if (!broadcastChannel && \'BroadcastChannel\' in self) {\r\n        broadcastChannel = new BroadcastChannel(\'[Firebase] FID Change\');\r\n        broadcastChannel.onmessage = function (e) {\r\n            callFidChangeCallbacks(e.data.key, e.data.fid);\r\n        };\r\n    }\r\n    return broadcastChannel;\r\n}\r\nfunction closeBroadcastChannel() {\r\n    if (fidChangeCallbacks.size === 0 && broadcastChannel) {\r\n        broadcastChannel.close();\r\n        broadcastChannel = null;\r\n    }\r\n}\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nvar DATABASE_NAME = \'firebase-installations-database\';\r\nvar DATABASE_VERSION = 1;\r\nvar OBJECT_STORE_NAME = \'firebase-installations-store\';\r\nvar dbPromise = null;\r\nfunction getDbPromise() {\r\n    if (!dbPromise) {\r\n        dbPromise = Object(idb__WEBPACK_IMPORTED_MODULE_4__["openDb"])(DATABASE_NAME, DATABASE_VERSION, function (upgradeDB) {\r\n            // We don\'t use \'break\' in this switch statement, the fall-through\r\n            // behavior is what we want, because if there are multiple versions between\r\n            // the old version and the current version, we want ALL the migrations\r\n            // that correspond to those versions to run, not only the last one.\r\n            // eslint-disable-next-line default-case\r\n            switch (upgradeDB.oldVersion) {\r\n                case 0:\r\n                    upgradeDB.createObjectStore(OBJECT_STORE_NAME);\r\n            }\r\n        });\r\n    }\r\n    return dbPromise;\r\n}\r\n/** Assigns or overwrites the record for the given key with the given value. */\r\nfunction set(appConfig, value) {\r\n    return Object(tslib__WEBPACK_IMPORTED_MODULE_2__["__awaiter"])(this, void 0, void 0, function () {\r\n        var key, db, tx, objectStore, oldValue;\r\n        return Object(tslib__WEBPACK_IMPORTED_MODULE_2__["__generator"])(this, function (_a) {\r\n            switch (_a.label) {\r\n                case 0:\r\n                    key = getKey(appConfig);\r\n                    return [4 /*yield*/, getDbPromise()];\r\n                case 1:\r\n                    db = _a.sent();\r\n                    tx = db.transaction(OBJECT_STORE_NAME, \'readwrite\');\r\n                    objectStore = tx.objectStore(OBJECT_STORE_NAME);\r\n                    return [4 /*yield*/, objectStore.get(key)];\r\n                case 2:\r\n                    oldValue = _a.sent();\r\n                    return [4 /*yield*/, objectStore.put(value, key)];\r\n                case 3:\r\n                    _a.sent();\r\n                    return [4 /*yield*/, tx.complete];\r\n                case 4:\r\n                    _a.sent();\r\n                    if (!oldValue || oldValue.fid !== value.fid) {\r\n                        fidChanged(appConfig, value.fid);\r\n                    }\r\n                    return [2 /*return*/, value];\r\n            }\r\n        });\r\n    });\r\n}\r\n/** Removes record(s) from the objectStore that match the given key. */\r\nfunction remove(appConfig) {\r\n    return Object(tslib__WEBPACK_IMPORTED_MODULE_2__["__awaiter"])(this, void 0, void 0, function () {\r\n        var key, db, tx;\r\n        return Object(tslib__WEBPACK_IMPORTED_MODULE_2__["__generator"])(this, function (_a) {\r\n            switch (_a.label) {\r\n                case 0:\r\n                    key = getKey(appConfig);\r\n                    return [4 /*yield*/, getDbPromise()];\r\n                case 1:\r\n                    db = _a.sent();\r\n                    tx = db.transaction(OBJECT_STORE_NAME, \'readwrite\');\r\n                    return [4 /*yield*/, tx.objectStore(OBJECT_STORE_NAME).delete(key)];\r\n                case 2:\r\n                    _a.sent();\r\n                    return [4 /*yield*/, tx.complete];\r\n                case 3:\r\n                    _a.sent();\r\n                    return [2 /*return*/];\r\n            }\r\n        });\r\n    });\r\n}\r\n/**\r\n * Atomically updates a record with the result of updateFn, which gets\r\n * called with the current value. If newValue is undefined, the record is\r\n * deleted instead.\r\n * @return Updated value\r\n */\r\nfunction update(appConfig, updateFn) {\r\n    return Object(tslib__WEBPACK_IMPORTED_MODULE_2__["__awaiter"])(this, void 0, void 0, function () {\r\n        var key, db, tx, store, oldValue, newValue;\r\n        return Object(tslib__WEBPACK_IMPORTED_MODULE_2__["__generator"])(this, function (_a) {\r\n            switch (_a.label) {\r\n                case 0:\r\n                    key = getKey(appConfig);\r\n                    return [4 /*yield*/, getDbPromise()];\r\n                case 1:\r\n                    db = _a.sent();\r\n                    tx = db.transaction(OBJECT_STORE_NAME, \'readwrite\');\r\n                    store = tx.objectStore(OBJECT_STORE_NAME);\r\n                    return [4 /*yield*/, store.get(key)];\r\n                case 2:\r\n                    oldValue = _a.sent();\r\n                    newValue = updateFn(oldValue);\r\n                    if (!(newValue === undefined)) return [3 /*break*/, 4];\r\n                    return [4 /*yield*/, store.delete(key)];\r\n                case 3:\r\n                    _a.sent();\r\n                    return [3 /*break*/, 6];\r\n                case 4: return [4 /*yield*/, store.put(newValue, key)];\r\n                case 5:\r\n                    _a.sent();\r\n                    _a.label = 6;\r\n                case 6: return [4 /*yield*/, tx.complete];\r\n                case 7:\r\n                    _a.sent();\r\n                    if (newValue && (!oldValue || oldValue.fid !== newValue.fid)) {\r\n                        fidChanged(appConfig, newValue.fid);\r\n                    }\r\n                    return [2 /*return*/, newValue];\r\n            }\r\n        });\r\n    });\r\n}\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * Updates and returns the InstallationEntry from the database.\r\n * Also triggers a registration request if it is necessary and possible.\r\n */\r\nfunction getInstallationEntry(appConfig) {\r\n    return Object(tslib__WEBPACK_IMPORTED_MODULE_2__["__awaiter"])(this, void 0, void 0, function () {\r\n        var registrationPromise, installationEntry;\r\n        var _a;\r\n        return Object(tslib__WEBPACK_IMPORTED_MODULE_2__["__generator"])(this, function (_b) {\r\n            switch (_b.label) {\r\n                case 0: return [4 /*yield*/, update(appConfig, function (oldEntry) {\r\n                        var installationEntry = updateOrCreateInstallationEntry(oldEntry);\r\n                        var entryWithPromise = triggerRegistrationIfNecessary(appConfig, installationEntry);\r\n                        registrationPromise = entryWithPromise.registrationPromise;\r\n                        return entryWithPromise.installationEntry;\r\n                    })];\r\n                case 1:\r\n                    installationEntry = _b.sent();\r\n                    if (!(installationEntry.fid === INVALID_FID)) return [3 /*break*/, 3];\r\n                    _a = {};\r\n                    return [4 /*yield*/, registrationPromise];\r\n                case 2: \r\n                // FID generation failed. Waiting for the FID from the server.\r\n                return [2 /*return*/, (_a.installationEntry = _b.sent(), _a)];\r\n                case 3: return [2 /*return*/, {\r\n                        installationEntry: installationEntry,\r\n                        registrationPromise: registrationPromise\r\n                    }];\r\n            }\r\n        });\r\n    });\r\n}\r\n/**\r\n * Creates a new Installation Entry if one does not exist.\r\n * Also clears timed out pending requests.\r\n */\r\nfunction updateOrCreateInstallationEntry(oldEntry) {\r\n    var entry = oldEntry || {\r\n        fid: generateFid(),\r\n        registrationStatus: 0 /* NOT_STARTED */\r\n    };\r\n    return clearTimedOutRequest(entry);\r\n}\r\n/**\r\n * If the Firebase Installation is not registered yet, this will trigger the\r\n * registration and return an InProgressInstallationEntry.\r\n *\r\n * If registrationPromise does not exist, the installationEntry is guaranteed\r\n * to be registered.\r\n */\r\nfunction triggerRegistrationIfNecessary(appConfig, installationEntry) {\r\n    if (installationEntry.registrationStatus === 0 /* NOT_STARTED */) {\r\n        if (!navigator.onLine) {\r\n            // Registration required but app is offline.\r\n            var registrationPromiseWithError = Promise.reject(ERROR_FACTORY.create("app-offline" /* APP_OFFLINE */));\r\n            return {\r\n                installationEntry: installationEntry,\r\n                registrationPromise: registrationPromiseWithError\r\n            };\r\n        }\r\n        // Try registering. Change status to IN_PROGRESS.\r\n        var inProgressEntry = {\r\n            fid: installationEntry.fid,\r\n            registrationStatus: 1 /* IN_PROGRESS */,\r\n            registrationTime: Date.now()\r\n        };\r\n        var registrationPromise = registerInstallation(appConfig, inProgressEntry);\r\n        return { installationEntry: inProgressEntry, registrationPromise: registrationPromise };\r\n    }\r\n    else if (installationEntry.registrationStatus === 1 /* IN_PROGRESS */) {\r\n        return {\r\n            installationEntry: installationEntry,\r\n            registrationPromise: waitUntilFidRegistration(appConfig)\r\n        };\r\n    }\r\n    else {\r\n        return { installationEntry: installationEntry };\r\n    }\r\n}\r\n/** This will be executed only once for each new Firebase Installation. */\r\nfunction registerInstallation(appConfig, installationEntry) {\r\n    return Object(tslib__WEBPACK_IMPORTED_MODULE_2__["__awaiter"])(this, void 0, void 0, function () {\r\n        var registeredInstallationEntry, e_1;\r\n        return Object(tslib__WEBPACK_IMPORTED_MODULE_2__["__generator"])(this, function (_a) {\r\n            switch (_a.label) {\r\n                case 0:\r\n                    _a.trys.push([0, 2, , 7]);\r\n                    return [4 /*yield*/, createInstallationRequest(appConfig, installationEntry)];\r\n                case 1:\r\n                    registeredInstallationEntry = _a.sent();\r\n                    return [2 /*return*/, set(appConfig, registeredInstallationEntry)];\r\n                case 2:\r\n                    e_1 = _a.sent();\r\n                    if (!(isServerError(e_1) && e_1.serverCode === 409)) return [3 /*break*/, 4];\r\n                    // Server returned a "FID can not be used" error.\r\n                    // Generate a new ID next time.\r\n                    return [4 /*yield*/, remove(appConfig)];\r\n                case 3:\r\n                    // Server returned a "FID can not be used" error.\r\n                    // Generate a new ID next time.\r\n                    _a.sent();\r\n                    return [3 /*break*/, 6];\r\n                case 4: \r\n                // Registration failed. Set FID as not registered.\r\n                return [4 /*yield*/, set(appConfig, {\r\n                        fid: installationEntry.fid,\r\n                        registrationStatus: 0 /* NOT_STARTED */\r\n                    })];\r\n                case 5:\r\n                    // Registration failed. Set FID as not registered.\r\n                    _a.sent();\r\n                    _a.label = 6;\r\n                case 6: throw e_1;\r\n                case 7: return [2 /*return*/];\r\n            }\r\n        });\r\n    });\r\n}\r\n/** Call if FID registration is pending in another request. */\r\nfunction waitUntilFidRegistration(appConfig) {\r\n    return Object(tslib__WEBPACK_IMPORTED_MODULE_2__["__awaiter"])(this, void 0, void 0, function () {\r\n        var entry, _a, installationEntry, registrationPromise;\r\n        return Object(tslib__WEBPACK_IMPORTED_MODULE_2__["__generator"])(this, function (_b) {\r\n            switch (_b.label) {\r\n                case 0: return [4 /*yield*/, updateInstallationRequest(appConfig)];\r\n                case 1:\r\n                    entry = _b.sent();\r\n                    _b.label = 2;\r\n                case 2:\r\n                    if (!(entry.registrationStatus === 1 /* IN_PROGRESS */)) return [3 /*break*/, 5];\r\n                    // createInstallation request still in progress.\r\n                    return [4 /*yield*/, sleep(100)];\r\n                case 3:\r\n                    // createInstallation request still in progress.\r\n                    _b.sent();\r\n                    return [4 /*yield*/, updateInstallationRequest(appConfig)];\r\n                case 4:\r\n                    entry = _b.sent();\r\n                    return [3 /*break*/, 2];\r\n                case 5:\r\n                    if (!(entry.registrationStatus === 0 /* NOT_STARTED */)) return [3 /*break*/, 7];\r\n                    return [4 /*yield*/, getInstallationEntry(appConfig)];\r\n                case 6:\r\n                    _a = _b.sent(), installationEntry = _a.installationEntry, registrationPromise = _a.registrationPromise;\r\n                    if (registrationPromise) {\r\n                        return [2 /*return*/, registrationPromise];\r\n                    }\r\n                    else {\r\n                        // if there is no registrationPromise, entry is registered.\r\n                        return [2 /*return*/, installationEntry];\r\n                    }\r\n                case 7: return [2 /*return*/, entry];\r\n            }\r\n        });\r\n    });\r\n}\r\n/**\r\n * Called only if there is a CreateInstallation request in progress.\r\n *\r\n * Updates the InstallationEntry in the DB based on the status of the\r\n * CreateInstallation request.\r\n *\r\n * Returns the updated InstallationEntry.\r\n */\r\nfunction updateInstallationRequest(appConfig) {\r\n    return update(appConfig, function (oldEntry) {\r\n        if (!oldEntry) {\r\n            throw ERROR_FACTORY.create("installation-not-found" /* INSTALLATION_NOT_FOUND */);\r\n        }\r\n        return clearTimedOutRequest(oldEntry);\r\n    });\r\n}\r\nfunction clearTimedOutRequest(entry) {\r\n    if (hasInstallationRequestTimedOut(entry)) {\r\n        return {\r\n            fid: entry.fid,\r\n            registrationStatus: 0 /* NOT_STARTED */\r\n        };\r\n    }\r\n    return entry;\r\n}\r\nfunction hasInstallationRequestTimedOut(installationEntry) {\r\n    return (installationEntry.registrationStatus === 1 /* IN_PROGRESS */ &&\r\n        installationEntry.registrationTime + PENDING_TIMEOUT_MS < Date.now());\r\n}\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nfunction generateAuthTokenRequest(_a, installationEntry) {\r\n    var appConfig = _a.appConfig, platformLoggerProvider = _a.platformLoggerProvider;\r\n    return Object(tslib__WEBPACK_IMPORTED_MODULE_2__["__awaiter"])(this, void 0, void 0, function () {\r\n        var endpoint, headers, platformLogger, body, request, response, responseValue, completedAuthToken;\r\n        return Object(tslib__WEBPACK_IMPORTED_MODULE_2__["__generator"])(this, function (_b) {\r\n            switch (_b.label) {\r\n                case 0:\r\n                    endpoint = getGenerateAuthTokenEndpoint(appConfig, installationEntry);\r\n                    headers = getHeadersWithAuth(appConfig, installationEntry);\r\n                    platformLogger = platformLoggerProvider.getImmediate({\r\n                        optional: true\r\n                    });\r\n                    if (platformLogger) {\r\n                        headers.append(\'x-firebase-client\', platformLogger.getPlatformInfoString());\r\n                    }\r\n                    body = {\r\n                        installation: {\r\n                            sdkVersion: PACKAGE_VERSION\r\n                        }\r\n                    };\r\n                    request = {\r\n                        method: \'POST\',\r\n                        headers: headers,\r\n                        body: JSON.stringify(body)\r\n                    };\r\n                    return [4 /*yield*/, retryIfServerError(function () { return fetch(endpoint, request); })];\r\n                case 1:\r\n                    response = _b.sent();\r\n                    if (!response.ok) return [3 /*break*/, 3];\r\n                    return [4 /*yield*/, response.json()];\r\n                case 2:\r\n                    responseValue = _b.sent();\r\n                    completedAuthToken = extractAuthTokenInfoFromResponse(responseValue);\r\n                    return [2 /*return*/, completedAuthToken];\r\n                case 3: return [4 /*yield*/, getErrorFromResponse(\'Generate Auth Token\', response)];\r\n                case 4: throw _b.sent();\r\n            }\r\n        });\r\n    });\r\n}\r\nfunction getGenerateAuthTokenEndpoint(appConfig, _a) {\r\n    var fid = _a.fid;\r\n    return getInstallationsEndpoint(appConfig) + "/" + fid + "/authTokens:generate";\r\n}\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * Returns a valid authentication token for the installation. Generates a new\r\n * token if one doesn\'t exist, is expired or about to expire.\r\n *\r\n * Should only be called if the Firebase Installation is registered.\r\n */\r\nfunction refreshAuthToken(dependencies, forceRefresh) {\r\n    if (forceRefresh === void 0) { forceRefresh = false; }\r\n    return Object(tslib__WEBPACK_IMPORTED_MODULE_2__["__awaiter"])(this, void 0, void 0, function () {\r\n        var tokenPromise, entry, authToken, _a;\r\n        return Object(tslib__WEBPACK_IMPORTED_MODULE_2__["__generator"])(this, function (_b) {\r\n            switch (_b.label) {\r\n                case 0: return [4 /*yield*/, update(dependencies.appConfig, function (oldEntry) {\r\n                        if (!isEntryRegistered(oldEntry)) {\r\n                            throw ERROR_FACTORY.create("not-registered" /* NOT_REGISTERED */);\r\n                        }\r\n                        var oldAuthToken = oldEntry.authToken;\r\n                        if (!forceRefresh && isAuthTokenValid(oldAuthToken)) {\r\n                            // There is a valid token in the DB.\r\n                            return oldEntry;\r\n                        }\r\n                        else if (oldAuthToken.requestStatus === 1 /* IN_PROGRESS */) {\r\n                            // There already is a token request in progress.\r\n                            tokenPromise = waitUntilAuthTokenRequest(dependencies, forceRefresh);\r\n                            return oldEntry;\r\n                        }\r\n                        else {\r\n                            // No token or token expired.\r\n                            if (!navigator.onLine) {\r\n                                throw ERROR_FACTORY.create("app-offline" /* APP_OFFLINE */);\r\n                            }\r\n                            var inProgressEntry = makeAuthTokenRequestInProgressEntry(oldEntry);\r\n                            tokenPromise = fetchAuthTokenFromServer(dependencies, inProgressEntry);\r\n                            return inProgressEntry;\r\n                        }\r\n                    })];\r\n                case 1:\r\n                    entry = _b.sent();\r\n                    if (!tokenPromise) return [3 /*break*/, 3];\r\n                    return [4 /*yield*/, tokenPromise];\r\n                case 2:\r\n                    _a = _b.sent();\r\n                    return [3 /*break*/, 4];\r\n                case 3:\r\n                    _a = entry.authToken;\r\n                    _b.label = 4;\r\n                case 4:\r\n                    authToken = _a;\r\n                    return [2 /*return*/, authToken];\r\n            }\r\n        });\r\n    });\r\n}\r\n/**\r\n * Call only if FID is registered and Auth Token request is in progress.\r\n *\r\n * Waits until the current pending request finishes. If the request times out,\r\n * tries once in this thread as well.\r\n */\r\nfunction waitUntilAuthTokenRequest(dependencies, forceRefresh) {\r\n    return Object(tslib__WEBPACK_IMPORTED_MODULE_2__["__awaiter"])(this, void 0, void 0, function () {\r\n        var entry, authToken;\r\n        return Object(tslib__WEBPACK_IMPORTED_MODULE_2__["__generator"])(this, function (_a) {\r\n            switch (_a.label) {\r\n                case 0: return [4 /*yield*/, updateAuthTokenRequest(dependencies.appConfig)];\r\n                case 1:\r\n                    entry = _a.sent();\r\n                    _a.label = 2;\r\n                case 2:\r\n                    if (!(entry.authToken.requestStatus === 1 /* IN_PROGRESS */)) return [3 /*break*/, 5];\r\n                    // generateAuthToken still in progress.\r\n                    return [4 /*yield*/, sleep(100)];\r\n                case 3:\r\n                    // generateAuthToken still in progress.\r\n                    _a.sent();\r\n                    return [4 /*yield*/, updateAuthTokenRequest(dependencies.appConfig)];\r\n                case 4:\r\n                    entry = _a.sent();\r\n                    return [3 /*break*/, 2];\r\n                case 5:\r\n                    authToken = entry.authToken;\r\n                    if (authToken.requestStatus === 0 /* NOT_STARTED */) {\r\n                        // The request timed out or failed in a different call. Try again.\r\n                        return [2 /*return*/, refreshAuthToken(dependencies, forceRefresh)];\r\n                    }\r\n                    else {\r\n                        return [2 /*return*/, authToken];\r\n                    }\r\n            }\r\n        });\r\n    });\r\n}\r\n/**\r\n * Called only if there is a GenerateAuthToken request in progress.\r\n *\r\n * Updates the InstallationEntry in the DB based on the status of the\r\n * GenerateAuthToken request.\r\n *\r\n * Returns the updated InstallationEntry.\r\n */\r\nfunction updateAuthTokenRequest(appConfig) {\r\n    return update(appConfig, function (oldEntry) {\r\n        if (!isEntryRegistered(oldEntry)) {\r\n            throw ERROR_FACTORY.create("not-registered" /* NOT_REGISTERED */);\r\n        }\r\n        var oldAuthToken = oldEntry.authToken;\r\n        if (hasAuthTokenRequestTimedOut(oldAuthToken)) {\r\n            return Object(tslib__WEBPACK_IMPORTED_MODULE_2__["__assign"])(Object(tslib__WEBPACK_IMPORTED_MODULE_2__["__assign"])({}, oldEntry), { authToken: { requestStatus: 0 /* NOT_STARTED */ } });\r\n        }\r\n        return oldEntry;\r\n    });\r\n}\r\nfunction fetchAuthTokenFromServer(dependencies, installationEntry) {\r\n    return Object(tslib__WEBPACK_IMPORTED_MODULE_2__["__awaiter"])(this, void 0, void 0, function () {\r\n        var authToken, updatedInstallationEntry, e_1, updatedInstallationEntry;\r\n        return Object(tslib__WEBPACK_IMPORTED_MODULE_2__["__generator"])(this, function (_a) {\r\n            switch (_a.label) {\r\n                case 0:\r\n                    _a.trys.push([0, 3, , 8]);\r\n                    return [4 /*yield*/, generateAuthTokenRequest(dependencies, installationEntry)];\r\n                case 1:\r\n                    authToken = _a.sent();\r\n                    updatedInstallationEntry = Object(tslib__WEBPACK_IMPORTED_MODULE_2__["__assign"])(Object(tslib__WEBPACK_IMPORTED_MODULE_2__["__assign"])({}, installationEntry), { authToken: authToken });\r\n                    return [4 /*yield*/, set(dependencies.appConfig, updatedInstallationEntry)];\r\n                case 2:\r\n                    _a.sent();\r\n                    return [2 /*return*/, authToken];\r\n                case 3:\r\n                    e_1 = _a.sent();\r\n                    if (!(isServerError(e_1) && (e_1.serverCode === 401 || e_1.serverCode === 404))) return [3 /*break*/, 5];\r\n                    // Server returned a "FID not found" or a "Invalid authentication" error.\r\n                    // Generate a new ID next time.\r\n                    return [4 /*yield*/, remove(dependencies.appConfig)];\r\n                case 4:\r\n                    // Server returned a "FID not found" or a "Invalid authentication" error.\r\n                    // Generate a new ID next time.\r\n                    _a.sent();\r\n                    return [3 /*break*/, 7];\r\n                case 5:\r\n                    updatedInstallationEntry = Object(tslib__WEBPACK_IMPORTED_MODULE_2__["__assign"])(Object(tslib__WEBPACK_IMPORTED_MODULE_2__["__assign"])({}, installationEntry), { authToken: { requestStatus: 0 /* NOT_STARTED */ } });\r\n                    return [4 /*yield*/, set(dependencies.appConfig, updatedInstallationEntry)];\r\n                case 6:\r\n                    _a.sent();\r\n                    _a.label = 7;\r\n                case 7: throw e_1;\r\n                case 8: return [2 /*return*/];\r\n            }\r\n        });\r\n    });\r\n}\r\nfunction isEntryRegistered(installationEntry) {\r\n    return (installationEntry !== undefined &&\r\n        installationEntry.registrationStatus === 2 /* COMPLETED */);\r\n}\r\nfunction isAuthTokenValid(authToken) {\r\n    return (authToken.requestStatus === 2 /* COMPLETED */ &&\r\n        !isAuthTokenExpired(authToken));\r\n}\r\nfunction isAuthTokenExpired(authToken) {\r\n    var now = Date.now();\r\n    return (now < authToken.creationTime ||\r\n        authToken.creationTime + authToken.expiresIn < now + TOKEN_EXPIRATION_BUFFER);\r\n}\r\n/** Returns an updated InstallationEntry with an InProgressAuthToken. */\r\nfunction makeAuthTokenRequestInProgressEntry(oldEntry) {\r\n    var inProgressAuthToken = {\r\n        requestStatus: 1 /* IN_PROGRESS */,\r\n        requestTime: Date.now()\r\n    };\r\n    return Object(tslib__WEBPACK_IMPORTED_MODULE_2__["__assign"])(Object(tslib__WEBPACK_IMPORTED_MODULE_2__["__assign"])({}, oldEntry), { authToken: inProgressAuthToken });\r\n}\r\nfunction hasAuthTokenRequestTimedOut(authToken) {\r\n    return (authToken.requestStatus === 1 /* IN_PROGRESS */ &&\r\n        authToken.requestTime + PENDING_TIMEOUT_MS < Date.now());\r\n}\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nfunction getId(dependencies) {\r\n    return Object(tslib__WEBPACK_IMPORTED_MODULE_2__["__awaiter"])(this, void 0, void 0, function () {\r\n        var _a, installationEntry, registrationPromise;\r\n        return Object(tslib__WEBPACK_IMPORTED_MODULE_2__["__generator"])(this, function (_b) {\r\n            switch (_b.label) {\r\n                case 0: return [4 /*yield*/, getInstallationEntry(dependencies.appConfig)];\r\n                case 1:\r\n                    _a = _b.sent(), installationEntry = _a.installationEntry, registrationPromise = _a.registrationPromise;\r\n                    if (registrationPromise) {\r\n                        registrationPromise.catch(console.error);\r\n                    }\r\n                    else {\r\n                        // If the installation is already registered, update the authentication\r\n                        // token if needed.\r\n                        refreshAuthToken(dependencies).catch(console.error);\r\n                    }\r\n                    return [2 /*return*/, installationEntry.fid];\r\n            }\r\n        });\r\n    });\r\n}\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nfunction getToken(dependencies, forceRefresh) {\r\n    if (forceRefresh === void 0) { forceRefresh = false; }\r\n    return Object(tslib__WEBPACK_IMPORTED_MODULE_2__["__awaiter"])(this, void 0, void 0, function () {\r\n        var authToken;\r\n        return Object(tslib__WEBPACK_IMPORTED_MODULE_2__["__generator"])(this, function (_a) {\r\n            switch (_a.label) {\r\n                case 0: return [4 /*yield*/, completeInstallationRegistration(dependencies.appConfig)];\r\n                case 1:\r\n                    _a.sent();\r\n                    return [4 /*yield*/, refreshAuthToken(dependencies, forceRefresh)];\r\n                case 2:\r\n                    authToken = _a.sent();\r\n                    return [2 /*return*/, authToken.token];\r\n            }\r\n        });\r\n    });\r\n}\r\nfunction completeInstallationRegistration(appConfig) {\r\n    return Object(tslib__WEBPACK_IMPORTED_MODULE_2__["__awaiter"])(this, void 0, void 0, function () {\r\n        var registrationPromise;\r\n        return Object(tslib__WEBPACK_IMPORTED_MODULE_2__["__generator"])(this, function (_a) {\r\n            switch (_a.label) {\r\n                case 0: return [4 /*yield*/, getInstallationEntry(appConfig)];\r\n                case 1:\r\n                    registrationPromise = (_a.sent()).registrationPromise;\r\n                    if (!registrationPromise) return [3 /*break*/, 3];\r\n                    // A createInstallation request is in progress. Wait until it finishes.\r\n                    return [4 /*yield*/, registrationPromise];\r\n                case 2:\r\n                    // A createInstallation request is in progress. Wait until it finishes.\r\n                    _a.sent();\r\n                    _a.label = 3;\r\n                case 3: return [2 /*return*/];\r\n            }\r\n        });\r\n    });\r\n}\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nfunction deleteInstallationRequest(appConfig, installationEntry) {\r\n    return Object(tslib__WEBPACK_IMPORTED_MODULE_2__["__awaiter"])(this, void 0, void 0, function () {\r\n        var endpoint, headers, request, response;\r\n        return Object(tslib__WEBPACK_IMPORTED_MODULE_2__["__generator"])(this, function (_a) {\r\n            switch (_a.label) {\r\n                case 0:\r\n                    endpoint = getDeleteEndpoint(appConfig, installationEntry);\r\n                    headers = getHeadersWithAuth(appConfig, installationEntry);\r\n                    request = {\r\n                        method: \'DELETE\',\r\n                        headers: headers\r\n                    };\r\n                    return [4 /*yield*/, retryIfServerError(function () { return fetch(endpoint, request); })];\r\n                case 1:\r\n                    response = _a.sent();\r\n                    if (!!response.ok) return [3 /*break*/, 3];\r\n                    return [4 /*yield*/, getErrorFromResponse(\'Delete Installation\', response)];\r\n                case 2: throw _a.sent();\r\n                case 3: return [2 /*return*/];\r\n            }\r\n        });\r\n    });\r\n}\r\nfunction getDeleteEndpoint(appConfig, _a) {\r\n    var fid = _a.fid;\r\n    return getInstallationsEndpoint(appConfig) + "/" + fid;\r\n}\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nfunction deleteInstallation(dependencies) {\r\n    return Object(tslib__WEBPACK_IMPORTED_MODULE_2__["__awaiter"])(this, void 0, void 0, function () {\r\n        var appConfig, entry;\r\n        return Object(tslib__WEBPACK_IMPORTED_MODULE_2__["__generator"])(this, function (_a) {\r\n            switch (_a.label) {\r\n                case 0:\r\n                    appConfig = dependencies.appConfig;\r\n                    return [4 /*yield*/, update(appConfig, function (oldEntry) {\r\n                            if (oldEntry && oldEntry.registrationStatus === 0 /* NOT_STARTED */) {\r\n                                // Delete the unregistered entry without sending a deleteInstallation request.\r\n                                return undefined;\r\n                            }\r\n                            return oldEntry;\r\n                        })];\r\n                case 1:\r\n                    entry = _a.sent();\r\n                    if (!entry) return [3 /*break*/, 6];\r\n                    if (!(entry.registrationStatus === 1 /* IN_PROGRESS */)) return [3 /*break*/, 2];\r\n                    // Can\'t delete while trying to register.\r\n                    throw ERROR_FACTORY.create("delete-pending-registration" /* DELETE_PENDING_REGISTRATION */);\r\n                case 2:\r\n                    if (!(entry.registrationStatus === 2 /* COMPLETED */)) return [3 /*break*/, 6];\r\n                    if (!!navigator.onLine) return [3 /*break*/, 3];\r\n                    throw ERROR_FACTORY.create("app-offline" /* APP_OFFLINE */);\r\n                case 3: return [4 /*yield*/, deleteInstallationRequest(appConfig, entry)];\r\n                case 4:\r\n                    _a.sent();\r\n                    return [4 /*yield*/, remove(appConfig)];\r\n                case 5:\r\n                    _a.sent();\r\n                    _a.label = 6;\r\n                case 6: return [2 /*return*/];\r\n            }\r\n        });\r\n    });\r\n}\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * Sets a new callback that will get called when Installation ID changes.\r\n * Returns an unsubscribe function that will remove the callback when called.\r\n */\r\nfunction onIdChange(_a, callback) {\r\n    var appConfig = _a.appConfig;\r\n    addCallback(appConfig, callback);\r\n    return function () {\r\n        removeCallback(appConfig, callback);\r\n    };\r\n}\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nfunction extractAppConfig(app) {\r\n    var e_1, _a;\r\n    if (!app || !app.options) {\r\n        throw getMissingValueError(\'App Configuration\');\r\n    }\r\n    if (!app.name) {\r\n        throw getMissingValueError(\'App Name\');\r\n    }\r\n    // Required app config keys\r\n    var configKeys = [\r\n        \'projectId\',\r\n        \'apiKey\',\r\n        \'appId\'\r\n    ];\r\n    try {\r\n        for (var configKeys_1 = Object(tslib__WEBPACK_IMPORTED_MODULE_2__["__values"])(configKeys), configKeys_1_1 = configKeys_1.next(); !configKeys_1_1.done; configKeys_1_1 = configKeys_1.next()) {\r\n            var keyName = configKeys_1_1.value;\r\n            if (!app.options[keyName]) {\r\n                throw getMissingValueError(keyName);\r\n            }\r\n        }\r\n    }\r\n    catch (e_1_1) { e_1 = { error: e_1_1 }; }\r\n    finally {\r\n        try {\r\n            if (configKeys_1_1 && !configKeys_1_1.done && (_a = configKeys_1.return)) _a.call(configKeys_1);\r\n        }\r\n        finally { if (e_1) throw e_1.error; }\r\n    }\r\n    return {\r\n        appName: app.name,\r\n        projectId: app.options.projectId,\r\n        apiKey: app.options.apiKey,\r\n        appId: app.options.appId\r\n    };\r\n}\r\nfunction getMissingValueError(valueName) {\r\n    return ERROR_FACTORY.create("missing-app-config-values" /* MISSING_APP_CONFIG_VALUES */, {\r\n        valueName: valueName\r\n    });\r\n}\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nfunction registerInstallations(instance) {\r\n    var installationsName = \'installations\';\r\n    instance.INTERNAL.registerComponent(new _firebase_component__WEBPACK_IMPORTED_MODULE_1__["Component"](installationsName, function (container) {\r\n        var app = container.getProvider(\'app\').getImmediate();\r\n        // Throws if app isn\'t configured properly.\r\n        var appConfig = extractAppConfig(app);\r\n        var platformLoggerProvider = container.getProvider(\'platform-logger\');\r\n        var dependencies = {\r\n            appConfig: appConfig,\r\n            platformLoggerProvider: platformLoggerProvider\r\n        };\r\n        var installations = {\r\n            app: app,\r\n            getId: function () { return getId(dependencies); },\r\n            getToken: function (forceRefresh) {\r\n                return getToken(dependencies, forceRefresh);\r\n            },\r\n            delete: function () { return deleteInstallation(dependencies); },\r\n            onIdChange: function (callback) {\r\n                return onIdChange(dependencies, callback);\r\n            }\r\n        };\r\n        return installations;\r\n    }, "PUBLIC" /* PUBLIC */));\r\n    instance.registerVersion(name, version);\r\n}\r\nregisterInstallations(_firebase_app__WEBPACK_IMPORTED_MODULE_0___default.a);\n\n\n//# sourceMappingURL=index.esm.js.map\n\n\n//# sourceURL=webpack:///./node_modules/@firebase/installations/dist/index.esm.js?')},function(module,exports,__webpack_require__){"use strict";eval("\n\nvar firebase = __webpack_require__(2);\n__webpack_require__(17);\n__webpack_require__(18);\n__webpack_require__(19);\n__webpack_require__(21);\n__webpack_require__(22);\n__webpack_require__(23);\n__webpack_require__(24);\n__webpack_require__(25);\n__webpack_require__(26);\n\nfunction _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }\n\nvar firebase__default = /*#__PURE__*/_interopDefaultLegacy(firebase);\n\nvar name = \"firebase\";\nvar version = \"7.24.0\";\n\n/**\r\n * @license\r\n * Copyright 2018 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nfirebase__default['default'].registerVersion(name, version, 'app');\n\nvar name$1 = \"firebase\";\nvar version$1 = \"7.24.0\";\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nconsole.warn(\"\\nIt looks like you're using the development build of the Firebase JS SDK.\\nWhen deploying Firebase apps to production, it is advisable to only import\\nthe individual SDK components you intend to use.\\n\\nFor the module builds, these are available in the following manner\\n(replace <PACKAGE> with the name of a component - i.e. auth, database, etc):\\n\\nCommonJS Modules:\\nconst firebase = require('firebase/app');\\nrequire('firebase/<PACKAGE>');\\n\\nES Modules:\\nimport firebase from 'firebase/app';\\nimport 'firebase/<PACKAGE>';\\n\\nTypescript:\\nimport * as firebase from 'firebase/app';\\nimport 'firebase/<PACKAGE>';\\n\");\r\nfirebase__default['default'].registerVersion(name$1, version$1);\n\nmodule.exports = firebase__default['default'];\n//# sourceMappingURL=index.cjs.js.map\n\n\n//# sourceURL=webpack:///./node_modules/firebase/dist/index.cjs.js?")},function(module,exports){eval('var g;\n\n// This works in non-strict mode\ng = (function() {\n\treturn this;\n})();\n\ntry {\n\t// This works if eval is allowed (see CSP)\n\tg = g || new Function("return this")();\n} catch (e) {\n\t// This works if the window reference is available\n\tif (typeof window === "object") g = window;\n}\n\n// g can still be undefined, but nothing to do about it...\n// We return undefined, instead of nothing here, so it\'s\n// easier to handle this case. if(!global) { ...}\n\nmodule.exports = g;\n\n\n//# sourceURL=webpack:///(webpack)/buildin/global.js?')},function(module,exports,__webpack_require__){"use strict";eval("\n\nfunction checkDCE() {\n  /* global __REACT_DEVTOOLS_GLOBAL_HOOK__ */\n  if (\n    typeof __REACT_DEVTOOLS_GLOBAL_HOOK__ === 'undefined' ||\n    typeof __REACT_DEVTOOLS_GLOBAL_HOOK__.checkDCE !== 'function'\n  ) {\n    return;\n  }\n  if (false) {}\n  try {\n    // Verify that the code above has been dead code eliminated (DCE'd).\n    __REACT_DEVTOOLS_GLOBAL_HOOK__.checkDCE(checkDCE);\n  } catch (err) {\n    // DevTools shouldn't crash React, no matter what.\n    // We should still report in case we break this code.\n    console.error(err);\n  }\n}\n\nif (true) {\n  // DCE check should happen before ReactDOM bundle executes so that\n  // DevTools can report bad minification during injection.\n  checkDCE();\n  module.exports = __webpack_require__(14);\n} else {}\n\n\n//# sourceURL=webpack:///./node_modules/react-dom/index.js?")},function(module,exports,__webpack_require__){"use strict";eval("/*\nobject-assign\n(c) Sindre Sorhus\n@license MIT\n*/\n\n\n/* eslint-disable no-unused-vars */\nvar getOwnPropertySymbols = Object.getOwnPropertySymbols;\nvar hasOwnProperty = Object.prototype.hasOwnProperty;\nvar propIsEnumerable = 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a={ActionCodeInfo:{Operation:{EMAIL_SIGNIN:wf,PASSWORD_RESET:"PASSWORD_RESET",RECOVER_EMAIL:"RECOVER_EMAIL",REVERT_SECOND_FACTOR_ADDITION:yf,VERIFY_AND_CHANGE_EMAIL:xf,VERIFY_EMAIL:"VERIFY_EMAIL"}},Auth:zn,AuthCredential:xg,Error:t};Z(a,"EmailAuthProvider",Vg,[]);Z(a,"FacebookAuthProvider",Mg,[]);Z(a,"GithubAuthProvider",Og,[]);Z(a,"GoogleAuthProvider",Qg,[]);Z(a,"TwitterAuthProvider",Sg,[]);\nZ(a,"OAuthProvider",Lg,[V("providerId")]);Z(a,"SAMLAuthProvider",Kg,[V("providerId")]);Z(a,"PhoneAuthProvider",hh,[vo()]);Z(a,"RecaptchaVerifier",oo,[X(V(),uo(),"recaptchaContainer"),W("recaptchaParameters",!0),wo()]);Z(a,"ActionCodeURL",Ff,[]);Z(a,"PhoneMultiFactorGenerator",Yn,[]);firebase.INTERNAL.registerComponent({name:"auth",instanceFactory:function(b){b=b.getProvider("app").getImmediate();return new zn(b)},multipleInstances:!1,serviceProps:a,instantiationMode:"LAZY",type:"PUBLIC"});firebase.INTERNAL.registerComponent({name:"auth-internal",\ninstanceFactory:function(b){b=b.getProvider("auth").getImmediate();return{getUid:q(b.getUid,b),getToken:q(b.mc,b),addAuthTokenListener:q(b.cc,b),removeAuthTokenListener:q(b.Oc,b)}},multipleInstances:!1,instantiationMode:"LAZY",type:"PRIVATE"});firebase.registerVersion("@firebase/auth","0.15.0");firebase.INTERNAL.extendNamespace({User:Dm})}else throw Error("Cannot find the firebase namespace; be sure to include firebase-app.js before this library.");})();}).apply(typeof global !== \'undefined\' ? global : typeof self !== \'undefined\' ? self : typeof window !== \'undefined\' ? window : {});\n\n//# sourceMappingURL=auth.js.map\n\n/* WEBPACK VAR INJECTION */}.call(this, __webpack_require__(10)))\n\n//# sourceURL=webpack:///./node_modules/@firebase/auth/dist/auth.js?')},function(module,exports,__webpack_require__){"use strict";eval("/* WEBPACK VAR INJECTION */(function(process) {\n\nObject.defineProperty(exports, '__esModule', { value: true });\n\nvar firebase = __webpack_require__(2);\nvar tslib = __webpack_require__(0);\nvar util = __webpack_require__(1);\nvar logger$1 = __webpack_require__(6);\nvar component = __webpack_require__(3);\n\nfunction _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }\n\nvar firebase__default = /*#__PURE__*/_interopDefaultLegacy(firebase);\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * Wraps a DOM Storage object and:\r\n * - automatically encode objects as JSON strings before storing them to allow us to store arbitrary types.\r\n * - prefixes names with \"firebase:\" to avoid collisions with app data.\r\n *\r\n * We automatically (see storage.js) create two such wrappers, one for sessionStorage,\r\n * and one for localStorage.\r\n *\r\n * @constructor\r\n */\r\nvar DOMStorageWrapper = /** @class */ (function () {\r\n    /**\r\n     * @param {Storage} domStorage_ The underlying storage object (e.g. localStorage or sessionStorage)\r\n     */\r\n    function DOMStorageWrapper(domStorage_) {\r\n        this.domStorage_ = domStorage_;\r\n        // Use a prefix to avoid collisions with other stuff saved by the app.\r\n        this.prefix_ = 'firebase:';\r\n    }\r\n    /**\r\n     * @param {string} key The key to save the value under\r\n     * @param {?Object} value The value being stored, or null to remove the key.\r\n     */\r\n    DOMStorageWrapper.prototype.set = function (key, value) {\r\n        if (value == null) {\r\n            this.domStorage_.removeItem(this.prefixedName_(key));\r\n        }\r\n        else {\r\n            this.domStorage_.setItem(this.prefixedName_(key), util.stringify(value));\r\n        }\r\n    };\r\n    /**\r\n     * @param {string} key\r\n     * @return {*} The value that was stored under this key, or null\r\n     */\r\n    DOMStorageWrapper.prototype.get = function (key) {\r\n        var storedVal = this.domStorage_.getItem(this.prefixedName_(key));\r\n        if (storedVal == null) {\r\n            return null;\r\n        }\r\n        else {\r\n            return util.jsonEval(storedVal);\r\n        }\r\n    };\r\n    /**\r\n     * @param {string} key\r\n     */\r\n    DOMStorageWrapper.prototype.remove = function (key) {\r\n        this.domStorage_.removeItem(this.prefixedName_(key));\r\n    };\r\n    /**\r\n     * @param {string} name\r\n     * @return {string}\r\n     */\r\n    DOMStorageWrapper.prototype.prefixedName_ = function (name) {\r\n        return this.prefix_ + name;\r\n    };\r\n    DOMStorageWrapper.prototype.toString = function () {\r\n        return this.domStorage_.toString();\r\n    };\r\n    return DOMStorageWrapper;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * An in-memory storage implementation that matches the API of DOMStorageWrapper\r\n * (TODO: create interface for both to implement).\r\n *\r\n * @constructor\r\n */\r\nvar MemoryStorage = /** @class */ (function () {\r\n    function MemoryStorage() {\r\n        this.cache_ = {};\r\n        this.isInMemoryStorage = true;\r\n    }\r\n    MemoryStorage.prototype.set = function (key, value) {\r\n        if (value == null) {\r\n            delete this.cache_[key];\r\n        }\r\n        else {\r\n            this.cache_[key] = value;\r\n        }\r\n    };\r\n    MemoryStorage.prototype.get = function (key) {\r\n        if (util.contains(this.cache_, key)) {\r\n            return this.cache_[key];\r\n        }\r\n        return null;\r\n    };\r\n    MemoryStorage.prototype.remove = function (key) {\r\n        delete this.cache_[key];\r\n    };\r\n    return MemoryStorage;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * Helper to create a DOMStorageWrapper or else fall back to MemoryStorage.\r\n * TODO: Once MemoryStorage and DOMStorageWrapper have a shared interface this method annotation should change\r\n * to reflect this type\r\n *\r\n * @param {string} domStorageName Name of the underlying storage object\r\n *   (e.g. 'localStorage' or 'sessionStorage').\r\n * @return {?} Turning off type information until a common interface is defined.\r\n */\r\nvar createStoragefor = function (domStorageName) {\r\n    try {\r\n        // NOTE: just accessing \"localStorage\" or \"window['localStorage']\" may throw a security exception,\r\n        // so it must be inside the try/catch.\r\n        if (typeof window !== 'undefined' &&\r\n            typeof window[domStorageName] !== 'undefined') {\r\n            // Need to test cache. Just because it's here doesn't mean it works\r\n            var domStorage = window[domStorageName];\r\n            domStorage.setItem('firebase:sentinel', 'cache');\r\n            domStorage.removeItem('firebase:sentinel');\r\n            return new DOMStorageWrapper(domStorage);\r\n        }\r\n    }\r\n    catch (e) { }\r\n    // Failed to create wrapper.  Just return in-memory storage.\r\n    // TODO: log?\r\n    return new MemoryStorage();\r\n};\r\n/** A storage object that lasts across sessions */\r\nvar PersistentStorage = createStoragefor('localStorage');\r\n/** A storage object that only lasts one session */\r\nvar SessionStorage = createStoragefor('sessionStorage');\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nvar logClient = new logger$1.Logger('@firebase/database');\r\n/**\r\n * Returns a locally-unique ID (generated by just incrementing up from 0 each time its called).\r\n * @type {function(): number} Generated ID.\r\n */\r\nvar LUIDGenerator = (function () {\r\n    var id = 1;\r\n    return function () {\r\n        return id++;\r\n    };\r\n})();\r\n/**\r\n * Sha1 hash of the input string\r\n * @param {!string} str The string to hash\r\n * @return {!string} The resulting hash\r\n */\r\nvar sha1 = function (str) {\r\n    var utf8Bytes = util.stringToByteArray(str);\r\n    var sha1 = new util.Sha1();\r\n    sha1.update(utf8Bytes);\r\n    var sha1Bytes = sha1.digest();\r\n    return util.base64.encodeByteArray(sha1Bytes);\r\n};\r\n/**\r\n * @param {...*} varArgs\r\n * @return {string}\r\n * @private\r\n */\r\nvar buildLogMessage_ = function () {\r\n    var varArgs = [];\r\n    for (var _i = 0; _i < arguments.length; _i++) {\r\n        varArgs[_i] = arguments[_i];\r\n    }\r\n    var message = '';\r\n    for (var i = 0; i < varArgs.length; i++) {\r\n        var arg = varArgs[i];\r\n        if (Array.isArray(arg) ||\r\n            (arg &&\r\n                typeof arg === 'object' &&\r\n                // eslint-disable-next-line @typescript-eslint/no-explicit-any\r\n                typeof arg.length === 'number')) {\r\n            message += buildLogMessage_.apply(null, arg);\r\n        }\r\n        else if (typeof arg === 'object') {\r\n            message += util.stringify(arg);\r\n        }\r\n        else {\r\n            message += arg;\r\n        }\r\n        message += ' ';\r\n    }\r\n    return message;\r\n};\r\n/**\r\n * Use this for all debug messages in Firebase.\r\n * @type {?function(string)}\r\n */\r\nvar logger = null;\r\n/**\r\n * Flag to check for log availability on first log message\r\n * @type {boolean}\r\n * @private\r\n */\r\nvar firstLog_ = true;\r\n/**\r\n * The implementation of Firebase.enableLogging (defined here to break dependencies)\r\n * @param {boolean|?function(string)} logger_ A flag to turn on logging, or a custom logger\r\n * @param {boolean=} persistent Whether or not to persist logging settings across refreshes\r\n */\r\nvar enableLogging = function (logger_, persistent) {\r\n    util.assert(!persistent || logger_ === true || logger_ === false, \"Can't turn on custom loggers persistently.\");\r\n    if (logger_ === true) {\r\n        logClient.logLevel = logger$1.LogLevel.VERBOSE;\r\n        logger = logClient.log.bind(logClient);\r\n        if (persistent) {\r\n            SessionStorage.set('logging_enabled', true);\r\n        }\r\n    }\r\n    else if (typeof logger_ === 'function') {\r\n        logger = logger_;\r\n    }\r\n    else {\r\n        logger = null;\r\n        SessionStorage.remove('logging_enabled');\r\n    }\r\n};\r\n/**\r\n *\r\n * @param {...(string|Arguments)} varArgs\r\n */\r\nvar log = function () {\r\n    var varArgs = [];\r\n    for (var _i = 0; _i < arguments.length; _i++) {\r\n        varArgs[_i] = arguments[_i];\r\n    }\r\n    if (firstLog_ === true) {\r\n        firstLog_ = false;\r\n        if (logger === null && SessionStorage.get('logging_enabled') === true) {\r\n            enableLogging(true);\r\n        }\r\n    }\r\n    if (logger) {\r\n        var message = buildLogMessage_.apply(null, varArgs);\r\n        logger(message);\r\n    }\r\n};\r\n/**\r\n * @param {!string} prefix\r\n * @return {function(...[*])}\r\n */\r\nvar logWrapper = function (prefix) {\r\n    return function () {\r\n        var varArgs = [];\r\n        for (var _i = 0; _i < arguments.length; _i++) {\r\n            varArgs[_i] = arguments[_i];\r\n        }\r\n        log.apply(void 0, tslib.__spread([prefix], varArgs));\r\n    };\r\n};\r\n/**\r\n * @param {...string} varArgs\r\n */\r\nvar error = function () {\r\n    var varArgs = [];\r\n    for (var _i = 0; _i < arguments.length; _i++) {\r\n        varArgs[_i] = arguments[_i];\r\n    }\r\n    var message = 'FIREBASE INTERNAL ERROR: ' + buildLogMessage_.apply(void 0, tslib.__spread(varArgs));\r\n    logClient.error(message);\r\n};\r\n/**\r\n * @param {...string} varArgs\r\n */\r\nvar fatal = function () {\r\n    var varArgs = [];\r\n    for (var _i = 0; _i < arguments.length; _i++) {\r\n        varArgs[_i] = arguments[_i];\r\n    }\r\n    var message = \"FIREBASE FATAL ERROR: \" + buildLogMessage_.apply(void 0, tslib.__spread(varArgs));\r\n    logClient.error(message);\r\n    throw new Error(message);\r\n};\r\n/**\r\n * @param {...*} varArgs\r\n */\r\nvar warn = function () {\r\n    var varArgs = [];\r\n    for (var _i = 0; _i < arguments.length; _i++) {\r\n        varArgs[_i] = arguments[_i];\r\n    }\r\n    var message = 'FIREBASE WARNING: ' + buildLogMessage_.apply(void 0, tslib.__spread(varArgs));\r\n    logClient.warn(message);\r\n};\r\n/**\r\n * Logs a warning if the containing page uses https. Called when a call to new Firebase\r\n * does not use https.\r\n */\r\nvar warnIfPageIsSecure = function () {\r\n    // Be very careful accessing browser globals. Who knows what may or may not exist.\r\n    if (typeof window !== 'undefined' &&\r\n        window.location &&\r\n        window.location.protocol &&\r\n        window.location.protocol.indexOf('https:') !== -1) {\r\n        warn('Insecure Firebase access from a secure page. ' +\r\n            'Please use https in calls to new Firebase().');\r\n    }\r\n};\r\n/**\r\n * Returns true if data is NaN, or +/- Infinity.\r\n * @param {*} data\r\n * @return {boolean}\r\n */\r\nvar isInvalidJSONNumber = function (data) {\r\n    return (typeof data === 'number' &&\r\n        (data !== data || // NaN\r\n            data === Number.POSITIVE_INFINITY ||\r\n            data === Number.NEGATIVE_INFINITY));\r\n};\r\n/**\r\n * @param {function()} fn\r\n */\r\nvar executeWhenDOMReady = function (fn) {\r\n    if (util.isNodeSdk() || document.readyState === 'complete') {\r\n        fn();\r\n    }\r\n    else {\r\n        // Modeled after jQuery. Try DOMContentLoaded and onreadystatechange (which\r\n        // fire before onload), but fall back to onload.\r\n        var called_1 = false;\r\n        var wrappedFn_1 = function () {\r\n            if (!document.body) {\r\n                setTimeout(wrappedFn_1, Math.floor(10));\r\n                return;\r\n            }\r\n            if (!called_1) {\r\n                called_1 = true;\r\n                fn();\r\n            }\r\n        };\r\n        if (document.addEventListener) {\r\n            document.addEventListener('DOMContentLoaded', wrappedFn_1, false);\r\n            // fallback to onload.\r\n            window.addEventListener('load', wrappedFn_1, false);\r\n            // eslint-disable-next-line @typescript-eslint/no-explicit-any\r\n        }\r\n        else if (document.attachEvent) {\r\n            // IE.\r\n            // eslint-disable-next-line @typescript-eslint/no-explicit-any\r\n            document.attachEvent('onreadystatechange', function () {\r\n                if (document.readyState === 'complete') {\r\n                    wrappedFn_1();\r\n                }\r\n            });\r\n            // fallback to onload.\r\n            // eslint-disable-next-line @typescript-eslint/no-explicit-any\r\n            window.attachEvent('onload', wrappedFn_1);\r\n            // jQuery has an extra hack for IE that we could employ (based on\r\n            // http://javascript.nwbox.com/IEContentLoaded/) But it looks really old.\r\n            // I'm hoping we don't need it.\r\n        }\r\n    }\r\n};\r\n/**\r\n * Minimum key name. Invalid for actual data, used as a marker to sort before any valid names\r\n * @type {!string}\r\n */\r\nvar MIN_NAME = '[MIN_NAME]';\r\n/**\r\n * Maximum key name. Invalid for actual data, used as a marker to sort above any valid names\r\n * @type {!string}\r\n */\r\nvar MAX_NAME = '[MAX_NAME]';\r\n/**\r\n * Compares valid Firebase key names, plus min and max name\r\n * @param {!string} a\r\n * @param {!string} b\r\n * @return {!number}\r\n */\r\nvar nameCompare = function (a, b) {\r\n    if (a === b) {\r\n        return 0;\r\n    }\r\n    else if (a === MIN_NAME || b === MAX_NAME) {\r\n        return -1;\r\n    }\r\n    else if (b === MIN_NAME || a === MAX_NAME) {\r\n        return 1;\r\n    }\r\n    else {\r\n        var aAsInt = tryParseInt(a), bAsInt = tryParseInt(b);\r\n        if (aAsInt !== null) {\r\n            if (bAsInt !== null) {\r\n                return aAsInt - bAsInt === 0 ? a.length - b.length : aAsInt - bAsInt;\r\n            }\r\n            else {\r\n                return -1;\r\n            }\r\n        }\r\n        else if (bAsInt !== null) {\r\n            return 1;\r\n        }\r\n        else {\r\n            return a < b ? -1 : 1;\r\n        }\r\n    }\r\n};\r\n/**\r\n * @param {!string} a\r\n * @param {!string} b\r\n * @return {!number} comparison result.\r\n */\r\nvar stringCompare = function (a, b) {\r\n    if (a === b) {\r\n        return 0;\r\n    }\r\n    else if (a < b) {\r\n        return -1;\r\n    }\r\n    else {\r\n        return 1;\r\n    }\r\n};\r\n/**\r\n * @param {string} key\r\n * @param {Object} obj\r\n * @return {*}\r\n */\r\nvar requireKey = function (key, obj) {\r\n    if (obj && key in obj) {\r\n        return obj[key];\r\n    }\r\n    else {\r\n        throw new Error('Missing required key (' + key + ') in object: ' + util.stringify(obj));\r\n    }\r\n};\r\n/**\r\n * @param {*} obj\r\n * @return {string}\r\n */\r\nvar ObjectToUniqueKey = function (obj) {\r\n    if (typeof obj !== 'object' || obj === null) {\r\n        return util.stringify(obj);\r\n    }\r\n    var keys = [];\r\n    // eslint-disable-next-line guard-for-in\r\n    for (var k in obj) {\r\n        keys.push(k);\r\n    }\r\n    // Export as json, but with the keys sorted.\r\n    keys.sort();\r\n    var key = '{';\r\n    for (var i = 0; i < keys.length; i++) {\r\n        if (i !== 0) {\r\n            key += ',';\r\n        }\r\n        key += util.stringify(keys[i]);\r\n        key += ':';\r\n        key += ObjectToUniqueKey(obj[keys[i]]);\r\n    }\r\n    key += '}';\r\n    return key;\r\n};\r\n/**\r\n * Splits a string into a number of smaller segments of maximum size\r\n * @param {!string} str The string\r\n * @param {!number} segsize The maximum number of chars in the string.\r\n * @return {Array.<string>} The string, split into appropriately-sized chunks\r\n */\r\nvar splitStringBySize = function (str, segsize) {\r\n    var len = str.length;\r\n    if (len <= segsize) {\r\n        return [str];\r\n    }\r\n    var dataSegs = [];\r\n    for (var c = 0; c < len; c += segsize) {\r\n        if (c + segsize > len) {\r\n            dataSegs.push(str.substring(c, len));\r\n        }\r\n        else {\r\n            dataSegs.push(str.substring(c, c + segsize));\r\n        }\r\n    }\r\n    return dataSegs;\r\n};\r\n/**\r\n * Apply a function to each (key, value) pair in an object or\r\n * apply a function to each (index, value) pair in an array\r\n * @param obj The object or array to iterate over\r\n * @param fn The function to apply\r\n */\r\nfunction each(obj, fn) {\r\n    for (var key in obj) {\r\n        if (obj.hasOwnProperty(key)) {\r\n            fn(key, obj[key]);\r\n        }\r\n    }\r\n}\r\n/**\r\n * Borrowed from http://hg.secondlife.com/llsd/src/tip/js/typedarray.js (MIT License)\r\n * I made one modification at the end and removed the NaN / Infinity\r\n * handling (since it seemed broken [caused an overflow] and we don't need it).  See MJL comments.\r\n * @param {!number} v A double\r\n * @return {string}\r\n */\r\nvar doubleToIEEE754String = function (v) {\r\n    util.assert(!isInvalidJSONNumber(v), 'Invalid JSON number'); // MJL\r\n    var ebits = 11, fbits = 52;\r\n    var bias = (1 << (ebits - 1)) - 1;\r\n    var s, e, f, ln, i;\r\n    // Compute sign, exponent, fraction\r\n    // Skip NaN / Infinity handling --MJL.\r\n    if (v === 0) {\r\n        e = 0;\r\n        f = 0;\r\n        s = 1 / v === -Infinity ? 1 : 0;\r\n    }\r\n    else {\r\n        s = v < 0;\r\n        v = Math.abs(v);\r\n        if (v >= Math.pow(2, 1 - bias)) {\r\n            // Normalized\r\n            ln = Math.min(Math.floor(Math.log(v) / Math.LN2), bias);\r\n            e = ln + bias;\r\n            f = Math.round(v * Math.pow(2, fbits - ln) - Math.pow(2, fbits));\r\n        }\r\n        else {\r\n            // Denormalized\r\n            e = 0;\r\n            f = Math.round(v / Math.pow(2, 1 - bias - fbits));\r\n        }\r\n    }\r\n    // Pack sign, exponent, fraction\r\n    var bits = [];\r\n    for (i = fbits; i; i -= 1) {\r\n        bits.push(f % 2 ? 1 : 0);\r\n        f = Math.floor(f / 2);\r\n    }\r\n    for (i = ebits; i; i -= 1) {\r\n        bits.push(e % 2 ? 1 : 0);\r\n        e = Math.floor(e / 2);\r\n    }\r\n    bits.push(s ? 1 : 0);\r\n    bits.reverse();\r\n    var str = bits.join('');\r\n    // Return the data as a hex string. --MJL\r\n    var hexByteString = '';\r\n    for (i = 0; i < 64; i += 8) {\r\n        var hexByte = parseInt(str.substr(i, 8), 2).toString(16);\r\n        if (hexByte.length === 1) {\r\n            hexByte = '0' + hexByte;\r\n        }\r\n        hexByteString = hexByteString + hexByte;\r\n    }\r\n    return hexByteString.toLowerCase();\r\n};\r\n/**\r\n * Used to detect if we're in a Chrome content script (which executes in an\r\n * isolated environment where long-polling doesn't work).\r\n * @return {boolean}\r\n */\r\nvar isChromeExtensionContentScript = function () {\r\n    return !!(typeof window === 'object' &&\r\n        window['chrome'] &&\r\n        window['chrome']['extension'] &&\r\n        !/^chrome/.test(window.location.href));\r\n};\r\n/**\r\n * Used to detect if we're in a Windows 8 Store app.\r\n * @return {boolean}\r\n */\r\nvar isWindowsStoreApp = function () {\r\n    // Check for the presence of a couple WinRT globals\r\n    return typeof Windows === 'object' && typeof Windows.UI === 'object';\r\n};\r\n/**\r\n * Converts a server error code to a Javascript Error\r\n * @param {!string} code\r\n * @param {!Query} query\r\n * @return {Error}\r\n */\r\nvar errorForServerCode = function (code, query) {\r\n    var reason = 'Unknown Error';\r\n    if (code === 'too_big') {\r\n        reason =\r\n            'The data requested exceeds the maximum size ' +\r\n                'that can be accessed with a single request.';\r\n    }\r\n    else if (code === 'permission_denied') {\r\n        reason = \"Client doesn't have permission to access the desired data.\";\r\n    }\r\n    else if (code === 'unavailable') {\r\n        reason = 'The service is unavailable';\r\n    }\r\n    var error = new Error(code + ' at ' + query.path.toString() + ': ' + reason);\r\n    // eslint-disable-next-line @typescript-eslint/no-explicit-any\r\n    error.code = code.toUpperCase();\r\n    return error;\r\n};\r\n/**\r\n * Used to test for integer-looking strings\r\n * @type {RegExp}\r\n * @private\r\n */\r\nvar INTEGER_REGEXP_ = new RegExp('^-?(0*)\\\\d{1,10}$');\r\n/**\r\n * If the string contains a 32-bit integer, return it.  Else return null.\r\n * @param {!string} str\r\n * @return {?number}\r\n */\r\nvar tryParseInt = function (str) {\r\n    if (INTEGER_REGEXP_.test(str)) {\r\n        var intVal = Number(str);\r\n        if (intVal >= -2147483648 && intVal <= 2147483647) {\r\n            return intVal;\r\n        }\r\n    }\r\n    return null;\r\n};\r\n/**\r\n * Helper to run some code but catch any exceptions and re-throw them later.\r\n * Useful for preventing user callbacks from breaking internal code.\r\n *\r\n * Re-throwing the exception from a setTimeout is a little evil, but it's very\r\n * convenient (we don't have to try to figure out when is a safe point to\r\n * re-throw it), and the behavior seems reasonable:\r\n *\r\n * * If you aren't pausing on exceptions, you get an error in the console with\r\n *   the correct stack trace.\r\n * * If you're pausing on all exceptions, the debugger will pause on your\r\n *   exception and then again when we rethrow it.\r\n * * If you're only pausing on uncaught exceptions, the debugger will only pause\r\n *   on us re-throwing it.\r\n *\r\n * @param {!function()} fn The code to guard.\r\n */\r\nvar exceptionGuard = function (fn) {\r\n    try {\r\n        fn();\r\n    }\r\n    catch (e) {\r\n        // Re-throw exception when it's safe.\r\n        setTimeout(function () {\r\n            // It used to be that \"throw e\" would result in a good console error with\r\n            // relevant context, but as of Chrome 39, you just get the firebase.js\r\n            // file/line number where we re-throw it, which is useless. So we log\r\n            // e.stack explicitly.\r\n            var stack = e.stack || '';\r\n            warn('Exception was thrown by user callback.', stack);\r\n            throw e;\r\n        }, Math.floor(0));\r\n    }\r\n};\r\n/**\r\n * @return {boolean} true if we think we're currently being crawled.\r\n */\r\nvar beingCrawled = function () {\r\n    var userAgent = (typeof window === 'object' &&\r\n        window['navigator'] &&\r\n        window['navigator']['userAgent']) ||\r\n        '';\r\n    // For now we whitelist the most popular crawlers.  We should refine this to be the set of crawlers we\r\n    // believe to support JavaScript/AJAX rendering.\r\n    // NOTE: Google Webmaster Tools doesn't really belong, but their \"This is how a visitor to your website\r\n    // would have seen the page\" is flaky if we don't treat it as a crawler.\r\n    return (userAgent.search(/googlebot|google webmaster tools|bingbot|yahoo! slurp|baiduspider|yandexbot|duckduckbot/i) >= 0);\r\n};\r\n/**\r\n * Same as setTimeout() except on Node.JS it will /not/ prevent the process from exiting.\r\n *\r\n * It is removed with clearTimeout() as normal.\r\n *\r\n * @param {Function} fn Function to run.\r\n * @param {number} time Milliseconds to wait before running.\r\n * @return {number|Object} The setTimeout() return value.\r\n */\r\nvar setTimeoutNonBlocking = function (fn, time) {\r\n    var timeout = setTimeout(fn, time);\r\n    // eslint-disable-next-line @typescript-eslint/no-explicit-any\r\n    if (typeof timeout === 'object' && timeout['unref']) {\r\n        // eslint-disable-next-line @typescript-eslint/no-explicit-any\r\n        timeout['unref']();\r\n    }\r\n    return timeout;\r\n};\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * An immutable object representing a parsed path.  It's immutable so that you\r\n * can pass them around to other functions without worrying about them changing\r\n * it.\r\n */\r\nvar Path = /** @class */ (function () {\r\n    /**\r\n     * @param {string|Array.<string>} pathOrString Path string to parse,\r\n     *      or another path, or the raw tokens array\r\n     * @param {number=} pieceNum\r\n     */\r\n    function Path(pathOrString, pieceNum) {\r\n        if (pieceNum === void 0) {\r\n            this.pieces_ = pathOrString.split('/');\r\n            // Remove empty pieces.\r\n            var copyTo = 0;\r\n            for (var i = 0; i < this.pieces_.length; i++) {\r\n                if (this.pieces_[i].length > 0) {\r\n                    this.pieces_[copyTo] = this.pieces_[i];\r\n                    copyTo++;\r\n                }\r\n            }\r\n            this.pieces_.length = copyTo;\r\n            this.pieceNum_ = 0;\r\n        }\r\n        else {\r\n            this.pieces_ = pathOrString;\r\n            this.pieceNum_ = pieceNum;\r\n        }\r\n    }\r\n    Object.defineProperty(Path, \"Empty\", {\r\n        /**\r\n         * Singleton to represent an empty path\r\n         *\r\n         * @const\r\n         */\r\n        get: function () {\r\n            return new Path('');\r\n        },\r\n        enumerable: false,\r\n        configurable: true\r\n    });\r\n    Path.prototype.getFront = function () {\r\n        if (this.pieceNum_ >= this.pieces_.length) {\r\n            return null;\r\n        }\r\n        return this.pieces_[this.pieceNum_];\r\n    };\r\n    /**\r\n     * @return {number} The number of segments in this path\r\n     */\r\n    Path.prototype.getLength = function () {\r\n        return this.pieces_.length - this.pieceNum_;\r\n    };\r\n    /**\r\n     * @return {!Path}\r\n     */\r\n    Path.prototype.popFront = function () {\r\n        var pieceNum = this.pieceNum_;\r\n        if (pieceNum < this.pieces_.length) {\r\n            pieceNum++;\r\n        }\r\n        return new Path(this.pieces_, pieceNum);\r\n    };\r\n    /**\r\n     * @return {?string}\r\n     */\r\n    Path.prototype.getBack = function () {\r\n        if (this.pieceNum_ < this.pieces_.length) {\r\n            return this.pieces_[this.pieces_.length - 1];\r\n        }\r\n        return null;\r\n    };\r\n    Path.prototype.toString = function () {\r\n        var pathString = '';\r\n        for (var i = this.pieceNum_; i < this.pieces_.length; i++) {\r\n            if (this.pieces_[i] !== '') {\r\n                pathString += '/' + this.pieces_[i];\r\n            }\r\n        }\r\n        return pathString || '/';\r\n    };\r\n    Path.prototype.toUrlEncodedString = function () {\r\n        var pathString = '';\r\n        for (var i = this.pieceNum_; i < this.pieces_.length; i++) {\r\n            if (this.pieces_[i] !== '') {\r\n                pathString += '/' + encodeURIComponent(String(this.pieces_[i]));\r\n            }\r\n        }\r\n        return pathString || '/';\r\n    };\r\n    /**\r\n     * Shallow copy of the parts of the path.\r\n     *\r\n     * @param {number=} begin\r\n     * @return {!Array<string>}\r\n     */\r\n    Path.prototype.slice = function (begin) {\r\n        if (begin === void 0) { begin = 0; }\r\n        return this.pieces_.slice(this.pieceNum_ + begin);\r\n    };\r\n    /**\r\n     * @return {?Path}\r\n     */\r\n    Path.prototype.parent = function () {\r\n        if (this.pieceNum_ >= this.pieces_.length) {\r\n            return null;\r\n        }\r\n        var pieces = [];\r\n        for (var i = this.pieceNum_; i < this.pieces_.length - 1; i++) {\r\n            pieces.push(this.pieces_[i]);\r\n        }\r\n        return new Path(pieces, 0);\r\n    };\r\n    /**\r\n     * @param {string|!Path} childPathObj\r\n     * @return {!Path}\r\n     */\r\n    Path.prototype.child = function (childPathObj) {\r\n        var pieces = [];\r\n        for (var i = this.pieceNum_; i < this.pieces_.length; i++) {\r\n            pieces.push(this.pieces_[i]);\r\n        }\r\n        if (childPathObj instanceof Path) {\r\n            for (var i = childPathObj.pieceNum_; i < childPathObj.pieces_.length; i++) {\r\n                pieces.push(childPathObj.pieces_[i]);\r\n            }\r\n        }\r\n        else {\r\n            var childPieces = childPathObj.split('/');\r\n            for (var i = 0; i < childPieces.length; i++) {\r\n                if (childPieces[i].length > 0) {\r\n                    pieces.push(childPieces[i]);\r\n                }\r\n            }\r\n        }\r\n        return new Path(pieces, 0);\r\n    };\r\n    /**\r\n     * @return {boolean} True if there are no segments in this path\r\n     */\r\n    Path.prototype.isEmpty = function () {\r\n        return this.pieceNum_ >= this.pieces_.length;\r\n    };\r\n    /**\r\n     * @param {!Path} outerPath\r\n     * @param {!Path} innerPath\r\n     * @return {!Path} The path from outerPath to innerPath\r\n     */\r\n    Path.relativePath = function (outerPath, innerPath) {\r\n        var outer = outerPath.getFront(), inner = innerPath.getFront();\r\n        if (outer === null) {\r\n            return innerPath;\r\n        }\r\n        else if (outer === inner) {\r\n            return Path.relativePath(outerPath.popFront(), innerPath.popFront());\r\n        }\r\n        else {\r\n            throw new Error('INTERNAL ERROR: innerPath (' +\r\n                innerPath +\r\n                ') is not within ' +\r\n                'outerPath (' +\r\n                outerPath +\r\n                ')');\r\n        }\r\n    };\r\n    /**\r\n     * @param {!Path} left\r\n     * @param {!Path} right\r\n     * @return {number} -1, 0, 1 if left is less, equal, or greater than the right.\r\n     */\r\n    Path.comparePaths = function (left, right) {\r\n        var leftKeys = left.slice();\r\n        var rightKeys = right.slice();\r\n        for (var i = 0; i < leftKeys.length && i < rightKeys.length; i++) {\r\n            var cmp = nameCompare(leftKeys[i], rightKeys[i]);\r\n            if (cmp !== 0) {\r\n                return cmp;\r\n            }\r\n        }\r\n        if (leftKeys.length === rightKeys.length) {\r\n            return 0;\r\n        }\r\n        return leftKeys.length < rightKeys.length ? -1 : 1;\r\n    };\r\n    /**\r\n     *\r\n     * @param {Path} other\r\n     * @return {boolean} true if paths are the same.\r\n     */\r\n    Path.prototype.equals = function (other) {\r\n        if (this.getLength() !== other.getLength()) {\r\n            return false;\r\n        }\r\n        for (var i = this.pieceNum_, j = other.pieceNum_; i <= this.pieces_.length; i++, j++) {\r\n            if (this.pieces_[i] !== other.pieces_[j]) {\r\n                return false;\r\n            }\r\n        }\r\n        return true;\r\n    };\r\n    /**\r\n     *\r\n     * @param {!Path} other\r\n     * @return {boolean} True if this path is a parent (or the same as) other\r\n     */\r\n    Path.prototype.contains = function (other) {\r\n        var i = this.pieceNum_;\r\n        var j = other.pieceNum_;\r\n        if (this.getLength() > other.getLength()) {\r\n            return false;\r\n        }\r\n        while (i < this.pieces_.length) {\r\n            if (this.pieces_[i] !== other.pieces_[j]) {\r\n                return false;\r\n            }\r\n            ++i;\r\n            ++j;\r\n        }\r\n        return true;\r\n    };\r\n    return Path;\r\n}()); // end Path\r\n/**\r\n * Dynamic (mutable) path used to count path lengths.\r\n *\r\n * This class is used to efficiently check paths for valid\r\n * length (in UTF8 bytes) and depth (used in path validation).\r\n *\r\n * Throws Error exception if path is ever invalid.\r\n *\r\n * The definition of a path always begins with '/'.\r\n */\r\nvar ValidationPath = /** @class */ (function () {\r\n    /**\r\n     * @param {!Path} path Initial Path.\r\n     * @param {string} errorPrefix_ Prefix for any error messages.\r\n     */\r\n    function ValidationPath(path, errorPrefix_) {\r\n        this.errorPrefix_ = errorPrefix_;\r\n        /** @type {!Array<string>} */\r\n        this.parts_ = path.slice();\r\n        /** @type {number} Initialize to number of '/' chars needed in path. */\r\n        this.byteLength_ = Math.max(1, this.parts_.length);\r\n        for (var i = 0; i < this.parts_.length; i++) {\r\n            this.byteLength_ += util.stringLength(this.parts_[i]);\r\n        }\r\n        this.checkValid_();\r\n    }\r\n    Object.defineProperty(ValidationPath, \"MAX_PATH_DEPTH\", {\r\n        /** @const {number} Maximum key depth. */\r\n        get: function () {\r\n            return 32;\r\n        },\r\n        enumerable: false,\r\n        configurable: true\r\n    });\r\n    Object.defineProperty(ValidationPath, \"MAX_PATH_LENGTH_BYTES\", {\r\n        /** @const {number} Maximum number of (UTF8) bytes in a Firebase path. */\r\n        get: function () {\r\n            return 768;\r\n        },\r\n        enumerable: false,\r\n        configurable: true\r\n    });\r\n    /** @param {string} child */\r\n    ValidationPath.prototype.push = function (child) {\r\n        // Count the needed '/'\r\n        if (this.parts_.length > 0) {\r\n            this.byteLength_ += 1;\r\n        }\r\n        this.parts_.push(child);\r\n        this.byteLength_ += util.stringLength(child);\r\n        this.checkValid_();\r\n    };\r\n    ValidationPath.prototype.pop = function () {\r\n        var last = this.parts_.pop();\r\n        this.byteLength_ -= util.stringLength(last);\r\n        // Un-count the previous '/'\r\n        if (this.parts_.length > 0) {\r\n            this.byteLength_ -= 1;\r\n        }\r\n    };\r\n    ValidationPath.prototype.checkValid_ = function () {\r\n        if (this.byteLength_ > ValidationPath.MAX_PATH_LENGTH_BYTES) {\r\n            throw new Error(this.errorPrefix_ +\r\n                'has a key path longer than ' +\r\n                ValidationPath.MAX_PATH_LENGTH_BYTES +\r\n                ' bytes (' +\r\n                this.byteLength_ +\r\n                ').');\r\n        }\r\n        if (this.parts_.length > ValidationPath.MAX_PATH_DEPTH) {\r\n            throw new Error(this.errorPrefix_ +\r\n                'path specified exceeds the maximum depth that can be written (' +\r\n                ValidationPath.MAX_PATH_DEPTH +\r\n                ') or object contains a cycle ' +\r\n                this.toErrorString());\r\n        }\r\n    };\r\n    /**\r\n     * String for use in error messages - uses '.' notation for path.\r\n     *\r\n     * @return {string}\r\n     */\r\n    ValidationPath.prototype.toErrorString = function () {\r\n        if (this.parts_.length === 0) {\r\n            return '';\r\n        }\r\n        return \"in property '\" + this.parts_.join('.') + \"'\";\r\n    };\r\n    return ValidationPath;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nvar PROTOCOL_VERSION = '5';\r\nvar VERSION_PARAM = 'v';\r\nvar TRANSPORT_SESSION_PARAM = 's';\r\nvar REFERER_PARAM = 'r';\r\nvar FORGE_REF = 'f';\r\nvar FORGE_DOMAIN = 'firebaseio.com';\r\nvar LAST_SESSION_PARAM = 'ls';\r\nvar APPLICATION_ID_PARAM = 'p';\r\nvar WEBSOCKET = 'websocket';\r\nvar LONG_POLLING = 'long_polling';\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * A class that holds metadata about a Repo object\r\n *\r\n * @constructor\r\n */\r\nvar RepoInfo = /** @class */ (function () {\r\n    /**\r\n     * @param host Hostname portion of the url for the repo\r\n     * @param secure Whether or not this repo is accessed over ssl\r\n     * @param namespace The namespace represented by the repo\r\n     * @param webSocketOnly Whether to prefer websockets over all other transports (used by Nest).\r\n     * @param nodeAdmin Whether this instance uses Admin SDK credentials\r\n     * @param persistenceKey Override the default session persistence storage key\r\n     */\r\n    function RepoInfo(host, secure, namespace, webSocketOnly, nodeAdmin, persistenceKey, includeNamespaceInQueryParams) {\r\n        if (nodeAdmin === void 0) { nodeAdmin = false; }\r\n        if (persistenceKey === void 0) { persistenceKey = ''; }\r\n        if (includeNamespaceInQueryParams === void 0) { includeNamespaceInQueryParams = false; }\r\n        this.secure = secure;\r\n        this.namespace = namespace;\r\n        this.webSocketOnly = webSocketOnly;\r\n        this.nodeAdmin = nodeAdmin;\r\n        this.persistenceKey = persistenceKey;\r\n        this.includeNamespaceInQueryParams = includeNamespaceInQueryParams;\r\n        this.host = host.toLowerCase();\r\n        this.domain = this.host.substr(this.host.indexOf('.') + 1);\r\n        this.internalHost =\r\n            PersistentStorage.get('host:' + host) || this.host;\r\n    }\r\n    RepoInfo.prototype.needsQueryParam = function () {\r\n        return (this.host !== this.internalHost ||\r\n            this.isCustomHost() ||\r\n            this.includeNamespaceInQueryParams);\r\n    };\r\n    RepoInfo.prototype.isCacheableHost = function () {\r\n        return this.internalHost.substr(0, 2) === 's-';\r\n    };\r\n    RepoInfo.prototype.isDemoHost = function () {\r\n        return this.domain === 'firebaseio-demo.com';\r\n    };\r\n    RepoInfo.prototype.isCustomHost = function () {\r\n        return (this.domain !== 'firebaseio.com' && this.domain !== 'firebaseio-demo.com');\r\n    };\r\n    RepoInfo.prototype.updateHost = function (newHost) {\r\n        if (newHost !== this.internalHost) {\r\n            this.internalHost = newHost;\r\n            if (this.isCacheableHost()) {\r\n                PersistentStorage.set('host:' + this.host, this.internalHost);\r\n            }\r\n        }\r\n    };\r\n    /**\r\n     * Returns the websocket URL for this repo\r\n     * @param {string} type of connection\r\n     * @param {Object} params list\r\n     * @return {string} The URL for this repo\r\n     */\r\n    RepoInfo.prototype.connectionURL = function (type, params) {\r\n        util.assert(typeof type === 'string', 'typeof type must == string');\r\n        util.assert(typeof params === 'object', 'typeof params must == object');\r\n        var connURL;\r\n        if (type === WEBSOCKET) {\r\n            connURL =\r\n                (this.secure ? 'wss://' : 'ws://') + this.internalHost + '/.ws?';\r\n        }\r\n        else if (type === LONG_POLLING) {\r\n            connURL =\r\n                (this.secure ? 'https://' : 'http://') + this.internalHost + '/.lp?';\r\n        }\r\n        else {\r\n            throw new Error('Unknown connection type: ' + type);\r\n        }\r\n        if (this.needsQueryParam()) {\r\n            params['ns'] = this.namespace;\r\n        }\r\n        var pairs = [];\r\n        each(params, function (key, value) {\r\n            pairs.push(key + '=' + value);\r\n        });\r\n        return connURL + pairs.join('&');\r\n    };\r\n    /** @return {string} */\r\n    RepoInfo.prototype.toString = function () {\r\n        var str = this.toURLString();\r\n        if (this.persistenceKey) {\r\n            str += '<' + this.persistenceKey + '>';\r\n        }\r\n        return str;\r\n    };\r\n    /** @return {string} */\r\n    RepoInfo.prototype.toURLString = function () {\r\n        return (this.secure ? 'https://' : 'http://') + this.host;\r\n    };\r\n    return RepoInfo;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * @param {!string} pathString\r\n * @return {string}\r\n */\r\nfunction decodePath(pathString) {\r\n    var pathStringDecoded = '';\r\n    var pieces = pathString.split('/');\r\n    for (var i = 0; i < pieces.length; i++) {\r\n        if (pieces[i].length > 0) {\r\n            var piece = pieces[i];\r\n            try {\r\n                piece = decodeURIComponent(piece.replace(/\\+/g, ' '));\r\n            }\r\n            catch (e) { }\r\n            pathStringDecoded += '/' + piece;\r\n        }\r\n    }\r\n    return pathStringDecoded;\r\n}\r\n/**\r\n * @param {!string} queryString\r\n * @return {!{[key:string]:string}} key value hash\r\n */\r\nfunction decodeQuery(queryString) {\r\n    var e_1, _a;\r\n    var results = {};\r\n    if (queryString.charAt(0) === '?') {\r\n        queryString = queryString.substring(1);\r\n    }\r\n    try {\r\n        for (var _b = tslib.__values(queryString.split('&')), _c = _b.next(); !_c.done; _c = _b.next()) {\r\n            var segment = _c.value;\r\n            if (segment.length === 0) {\r\n                continue;\r\n            }\r\n            var kv = segment.split('=');\r\n            if (kv.length === 2) {\r\n                results[decodeURIComponent(kv[0])] = decodeURIComponent(kv[1]);\r\n            }\r\n            else {\r\n                warn(\"Invalid query segment '\" + segment + \"' in query '\" + queryString + \"'\");\r\n            }\r\n        }\r\n    }\r\n    catch (e_1_1) { e_1 = { error: e_1_1 }; }\r\n    finally {\r\n        try {\r\n            if (_c && !_c.done && (_a = _b.return)) _a.call(_b);\r\n        }\r\n        finally { if (e_1) throw e_1.error; }\r\n    }\r\n    return results;\r\n}\r\nvar parseRepoInfo = function (dataURL, nodeAdmin) {\r\n    var parsedUrl = parseDatabaseURL(dataURL), namespace = parsedUrl.namespace;\r\n    if (parsedUrl.domain === 'firebase.com') {\r\n        fatal(parsedUrl.host +\r\n            ' is no longer supported. ' +\r\n            'Please use <YOUR FIREBASE>.firebaseio.com instead');\r\n    }\r\n    // Catch common error of uninitialized namespace value.\r\n    if ((!namespace || namespace === 'undefined') &&\r\n        parsedUrl.domain !== 'localhost') {\r\n        fatal('Cannot parse Firebase url. Please use https://<YOUR FIREBASE>.firebaseio.com');\r\n    }\r\n    if (!parsedUrl.secure) {\r\n        warnIfPageIsSecure();\r\n    }\r\n    var webSocketOnly = parsedUrl.scheme === 'ws' || parsedUrl.scheme === 'wss';\r\n    return {\r\n        repoInfo: new RepoInfo(parsedUrl.host, parsedUrl.secure, namespace, nodeAdmin, webSocketOnly, \r\n        /*persistenceKey=*/ '', \r\n        /*includeNamespaceInQueryParams=*/ namespace !== parsedUrl.subdomain),\r\n        path: new Path(parsedUrl.pathString)\r\n    };\r\n};\r\n/**\r\n *\r\n * @param {!string} dataURL\r\n * @return {{host: string, port: number, domain: string, subdomain: string, secure: boolean, scheme: string, pathString: string, namespace: string}}\r\n */\r\nvar parseDatabaseURL = function (dataURL) {\r\n    // Default to empty strings in the event of a malformed string.\r\n    var host = '', domain = '', subdomain = '', pathString = '', namespace = '';\r\n    // Always default to SSL, unless otherwise specified.\r\n    var secure = true, scheme = 'https', port = 443;\r\n    // Don't do any validation here. The caller is responsible for validating the result of parsing.\r\n    if (typeof dataURL === 'string') {\r\n        // Parse scheme.\r\n        var colonInd = dataURL.indexOf('//');\r\n        if (colonInd >= 0) {\r\n            scheme = dataURL.substring(0, colonInd - 1);\r\n            dataURL = dataURL.substring(colonInd + 2);\r\n        }\r\n        // Parse host, path, and query string.\r\n        var slashInd = dataURL.indexOf('/');\r\n        if (slashInd === -1) {\r\n            slashInd = dataURL.length;\r\n        }\r\n        var questionMarkInd = dataURL.indexOf('?');\r\n        if (questionMarkInd === -1) {\r\n            questionMarkInd = dataURL.length;\r\n        }\r\n        host = dataURL.substring(0, Math.min(slashInd, questionMarkInd));\r\n        if (slashInd < questionMarkInd) {\r\n            // For pathString, questionMarkInd will always come after slashInd\r\n            pathString = decodePath(dataURL.substring(slashInd, questionMarkInd));\r\n        }\r\n        var queryParams = decodeQuery(dataURL.substring(Math.min(dataURL.length, questionMarkInd)));\r\n        // If we have a port, use scheme for determining if it's secure.\r\n        colonInd = host.indexOf(':');\r\n        if (colonInd >= 0) {\r\n            secure = scheme === 'https' || scheme === 'wss';\r\n            port = parseInt(host.substring(colonInd + 1), 10);\r\n        }\r\n        else {\r\n            colonInd = host.length;\r\n        }\r\n        var hostWithoutPort = host.slice(0, colonInd);\r\n        if (hostWithoutPort.toLowerCase() === 'localhost') {\r\n            domain = 'localhost';\r\n        }\r\n        else if (hostWithoutPort.split('.').length <= 2) {\r\n            domain = hostWithoutPort;\r\n        }\r\n        else {\r\n            // Interpret the subdomain of a 3 or more component URL as the namespace name.\r\n            var dotInd = host.indexOf('.');\r\n            subdomain = host.substring(0, dotInd).toLowerCase();\r\n            domain = host.substring(dotInd + 1);\r\n            // Normalize namespaces to lowercase to share storage / connection.\r\n            namespace = subdomain;\r\n        }\r\n        // Always treat the value of the `ns` as the namespace name if it is present.\r\n        if ('ns' in queryParams) {\r\n            namespace = queryParams['ns'];\r\n        }\r\n    }\r\n    return {\r\n        host: host,\r\n        port: port,\r\n        domain: domain,\r\n        subdomain: subdomain,\r\n        secure: secure,\r\n        scheme: scheme,\r\n        pathString: pathString,\r\n        namespace: namespace\r\n    };\r\n};\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * True for invalid Firebase keys\r\n * @type {RegExp}\r\n * @private\r\n */\r\nvar INVALID_KEY_REGEX_ = /[\\[\\].#$\\/\\u0000-\\u001F\\u007F]/;\r\n/**\r\n * True for invalid Firebase paths.\r\n * Allows '/' in paths.\r\n * @type {RegExp}\r\n * @private\r\n */\r\nvar INVALID_PATH_REGEX_ = /[\\[\\].#$\\u0000-\\u001F\\u007F]/;\r\n/**\r\n * Maximum number of characters to allow in leaf value\r\n * @type {number}\r\n * @private\r\n */\r\nvar MAX_LEAF_SIZE_ = 10 * 1024 * 1024;\r\n/**\r\n * @param {*} key\r\n * @return {boolean}\r\n */\r\nvar isValidKey = function (key) {\r\n    return (typeof key === 'string' && key.length !== 0 && !INVALID_KEY_REGEX_.test(key));\r\n};\r\n/**\r\n * @param {string} pathString\r\n * @return {boolean}\r\n */\r\nvar isValidPathString = function (pathString) {\r\n    return (typeof pathString === 'string' &&\r\n        pathString.length !== 0 &&\r\n        !INVALID_PATH_REGEX_.test(pathString));\r\n};\r\n/**\r\n * @param {string} pathString\r\n * @return {boolean}\r\n */\r\nvar isValidRootPathString = function (pathString) {\r\n    if (pathString) {\r\n        // Allow '/.info/' at the beginning.\r\n        pathString = pathString.replace(/^\\/*\\.info(\\/|$)/, '/');\r\n    }\r\n    return isValidPathString(pathString);\r\n};\r\n/**\r\n * @param {*} priority\r\n * @return {boolean}\r\n */\r\nvar isValidPriority = function (priority) {\r\n    return (priority === null ||\r\n        typeof priority === 'string' ||\r\n        (typeof priority === 'number' && !isInvalidJSONNumber(priority)) ||\r\n        (priority &&\r\n            typeof priority === 'object' &&\r\n            // eslint-disable-next-line @typescript-eslint/no-explicit-any\r\n            util.contains(priority, '.sv')));\r\n};\r\n/**\r\n * Pre-validate a datum passed as an argument to Firebase function.\r\n *\r\n * @param {string} fnName\r\n * @param {number} argumentNumber\r\n * @param {*} data\r\n * @param {!Path} path\r\n * @param {boolean} optional\r\n */\r\nvar validateFirebaseDataArg = function (fnName, argumentNumber, data, path, optional) {\r\n    if (optional && data === undefined) {\r\n        return;\r\n    }\r\n    validateFirebaseData(util.errorPrefix(fnName, argumentNumber, optional), data, path);\r\n};\r\n/**\r\n * Validate a data object client-side before sending to server.\r\n *\r\n * @param {string} errorPrefix\r\n * @param {*} data\r\n * @param {!Path|!ValidationPath} path_\r\n */\r\nvar validateFirebaseData = function (errorPrefix, data, path_) {\r\n    var path = path_ instanceof Path ? new ValidationPath(path_, errorPrefix) : path_;\r\n    if (data === undefined) {\r\n        throw new Error(errorPrefix + 'contains undefined ' + path.toErrorString());\r\n    }\r\n    if (typeof data === 'function') {\r\n        throw new Error(errorPrefix +\r\n            'contains a function ' +\r\n            path.toErrorString() +\r\n            ' with contents = ' +\r\n            data.toString());\r\n    }\r\n    if (isInvalidJSONNumber(data)) {\r\n        throw new Error(errorPrefix + 'contains ' + data.toString() + ' ' + path.toErrorString());\r\n    }\r\n    // Check max leaf size, but try to avoid the utf8 conversion if we can.\r\n    if (typeof data === 'string' &&\r\n        data.length > MAX_LEAF_SIZE_ / 3 &&\r\n        util.stringLength(data) > MAX_LEAF_SIZE_) {\r\n        throw new Error(errorPrefix +\r\n            'contains a string greater than ' +\r\n            MAX_LEAF_SIZE_ +\r\n            ' utf8 bytes ' +\r\n            path.toErrorString() +\r\n            \" ('\" +\r\n            data.substring(0, 50) +\r\n            \"...')\");\r\n    }\r\n    // TODO = Perf = Consider combining the recursive validation of keys into NodeFromJSON\r\n    // to save extra walking of large objects.\r\n    if (data && typeof data === 'object') {\r\n        var hasDotValue_1 = false;\r\n        var hasActualChild_1 = false;\r\n        each(data, function (key, value) {\r\n            if (key === '.value') {\r\n                hasDotValue_1 = true;\r\n            }\r\n            else if (key !== '.priority' && key !== '.sv') {\r\n                hasActualChild_1 = true;\r\n                if (!isValidKey(key)) {\r\n                    throw new Error(errorPrefix +\r\n                        ' contains an invalid key (' +\r\n                        key +\r\n                        ') ' +\r\n                        path.toErrorString() +\r\n                        '.  Keys must be non-empty strings ' +\r\n                        'and can\\'t contain \".\", \"#\", \"$\", \"/\", \"[\", or \"]\"');\r\n                }\r\n            }\r\n            path.push(key);\r\n            validateFirebaseData(errorPrefix, value, path);\r\n            path.pop();\r\n        });\r\n        if (hasDotValue_1 && hasActualChild_1) {\r\n            throw new Error(errorPrefix +\r\n                ' contains \".value\" child ' +\r\n                path.toErrorString() +\r\n                ' in addition to actual children.');\r\n        }\r\n    }\r\n};\r\n/**\r\n * Pre-validate paths passed in the firebase function.\r\n *\r\n * @param {string} errorPrefix\r\n * @param {Array<!Path>} mergePaths\r\n */\r\nvar validateFirebaseMergePaths = function (errorPrefix, mergePaths) {\r\n    var i, curPath;\r\n    for (i = 0; i < mergePaths.length; i++) {\r\n        curPath = mergePaths[i];\r\n        var keys = curPath.slice();\r\n        for (var j = 0; j < keys.length; j++) {\r\n            if (keys[j] === '.priority' && j === keys.length - 1) ;\r\n            else if (!isValidKey(keys[j])) {\r\n                throw new Error(errorPrefix +\r\n                    'contains an invalid key (' +\r\n                    keys[j] +\r\n                    ') in path ' +\r\n                    curPath.toString() +\r\n                    '. Keys must be non-empty strings ' +\r\n                    'and can\\'t contain \".\", \"#\", \"$\", \"/\", \"[\", or \"]\"');\r\n            }\r\n        }\r\n    }\r\n    // Check that update keys are not descendants of each other.\r\n    // We rely on the property that sorting guarantees that ancestors come\r\n    // right before descendants.\r\n    mergePaths.sort(Path.comparePaths);\r\n    var prevPath = null;\r\n    for (i = 0; i < mergePaths.length; i++) {\r\n        curPath = mergePaths[i];\r\n        if (prevPath !== null && prevPath.contains(curPath)) {\r\n            throw new Error(errorPrefix +\r\n                'contains a path ' +\r\n                prevPath.toString() +\r\n                ' that is ancestor of another path ' +\r\n                curPath.toString());\r\n        }\r\n        prevPath = curPath;\r\n    }\r\n};\r\n/**\r\n * pre-validate an object passed as an argument to firebase function (\r\n * must be an object - e.g. for firebase.update()).\r\n *\r\n * @param {string} fnName\r\n * @param {number} argumentNumber\r\n * @param {*} data\r\n * @param {!Path} path\r\n * @param {boolean} optional\r\n */\r\nvar validateFirebaseMergeDataArg = function (fnName, argumentNumber, data, path, optional) {\r\n    if (optional && data === undefined) {\r\n        return;\r\n    }\r\n    var errorPrefix = util.errorPrefix(fnName, argumentNumber, optional);\r\n    if (!(data && typeof data === 'object') || Array.isArray(data)) {\r\n        throw new Error(errorPrefix + ' must be an object containing the children to replace.');\r\n    }\r\n    var mergePaths = [];\r\n    each(data, function (key, value) {\r\n        var curPath = new Path(key);\r\n        validateFirebaseData(errorPrefix, value, path.child(curPath));\r\n        if (curPath.getBack() === '.priority') {\r\n            if (!isValidPriority(value)) {\r\n                throw new Error(errorPrefix +\r\n                    \"contains an invalid value for '\" +\r\n                    curPath.toString() +\r\n                    \"', which must be a valid \" +\r\n                    'Firebase priority (a string, finite number, server value, or null).');\r\n            }\r\n        }\r\n        mergePaths.push(curPath);\r\n    });\r\n    validateFirebaseMergePaths(errorPrefix, mergePaths);\r\n};\r\nvar validatePriority = function (fnName, argumentNumber, priority, optional) {\r\n    if (optional && priority === undefined) {\r\n        return;\r\n    }\r\n    if (isInvalidJSONNumber(priority)) {\r\n        throw new Error(util.errorPrefix(fnName, argumentNumber, optional) +\r\n            'is ' +\r\n            priority.toString() +\r\n            ', but must be a valid Firebase priority (a string, finite number, ' +\r\n            'server value, or null).');\r\n    }\r\n    // Special case to allow importing data with a .sv.\r\n    if (!isValidPriority(priority)) {\r\n        throw new Error(util.errorPrefix(fnName, argumentNumber, optional) +\r\n            'must be a valid Firebase priority ' +\r\n            '(a string, finite number, server value, or null).');\r\n    }\r\n};\r\nvar validateEventType = function (fnName, argumentNumber, eventType, optional) {\r\n    if (optional && eventType === undefined) {\r\n        return;\r\n    }\r\n    switch (eventType) {\r\n        case 'value':\r\n        case 'child_added':\r\n        case 'child_removed':\r\n        case 'child_changed':\r\n        case 'child_moved':\r\n            break;\r\n        default:\r\n            throw new Error(util.errorPrefix(fnName, argumentNumber, optional) +\r\n                'must be a valid event type = \"value\", \"child_added\", \"child_removed\", ' +\r\n                '\"child_changed\", or \"child_moved\".');\r\n    }\r\n};\r\nvar validateKey = function (fnName, argumentNumber, key, optional) {\r\n    if (optional && key === undefined) {\r\n        return;\r\n    }\r\n    if (!isValidKey(key)) {\r\n        throw new Error(util.errorPrefix(fnName, argumentNumber, optional) +\r\n            'was an invalid key = \"' +\r\n            key +\r\n            '\".  Firebase keys must be non-empty strings and ' +\r\n            'can\\'t contain \".\", \"#\", \"$\", \"/\", \"[\", or \"]\").');\r\n    }\r\n};\r\nvar validatePathString = function (fnName, argumentNumber, pathString, optional) {\r\n    if (optional && pathString === undefined) {\r\n        return;\r\n    }\r\n    if (!isValidPathString(pathString)) {\r\n        throw new Error(util.errorPrefix(fnName, argumentNumber, optional) +\r\n            'was an invalid path = \"' +\r\n            pathString +\r\n            '\". Paths must be non-empty strings and ' +\r\n            'can\\'t contain \".\", \"#\", \"$\", \"[\", or \"]\"');\r\n    }\r\n};\r\nvar validateRootPathString = function (fnName, argumentNumber, pathString, optional) {\r\n    if (pathString) {\r\n        // Allow '/.info/' at the beginning.\r\n        pathString = pathString.replace(/^\\/*\\.info(\\/|$)/, '/');\r\n    }\r\n    validatePathString(fnName, argumentNumber, pathString, optional);\r\n};\r\nvar validateWritablePath = function (fnName, path) {\r\n    if (path.getFront() === '.info') {\r\n        throw new Error(fnName + \" failed = Can't modify data under /.info/\");\r\n    }\r\n};\r\nvar validateUrl = function (fnName, argumentNumber, parsedUrl) {\r\n    // TODO = Validate server better.\r\n    var pathString = parsedUrl.path.toString();\r\n    if (!(typeof parsedUrl.repoInfo.host === 'string') ||\r\n        parsedUrl.repoInfo.host.length === 0 ||\r\n        (!isValidKey(parsedUrl.repoInfo.namespace) &&\r\n            parsedUrl.repoInfo.host.split(':')[0] !== 'localhost') ||\r\n        (pathString.length !== 0 && !isValidRootPathString(pathString))) {\r\n        throw new Error(util.errorPrefix(fnName, argumentNumber, false) +\r\n            'must be a valid firebase URL and ' +\r\n            'the path can\\'t contain \".\", \"#\", \"$\", \"[\", or \"]\".');\r\n    }\r\n};\r\nvar validateBoolean = function (fnName, argumentNumber, bool, optional) {\r\n    if (optional && bool === undefined) {\r\n        return;\r\n    }\r\n    if (typeof bool !== 'boolean') {\r\n        throw new Error(util.errorPrefix(fnName, argumentNumber, optional) + 'must be a boolean.');\r\n    }\r\n};\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * @constructor\r\n */\r\nvar OnDisconnect = /** @class */ (function () {\r\n    /**\r\n     * @param {!Repo} repo_\r\n     * @param {!Path} path_\r\n     */\r\n    function OnDisconnect(repo_, path_) {\r\n        this.repo_ = repo_;\r\n        this.path_ = path_;\r\n    }\r\n    /**\r\n     * @param {function(?Error)=} onComplete\r\n     * @return {!firebase.Promise}\r\n     */\r\n    OnDisconnect.prototype.cancel = function (onComplete) {\r\n        util.validateArgCount('OnDisconnect.cancel', 0, 1, arguments.length);\r\n        util.validateCallback('OnDisconnect.cancel', 1, onComplete, true);\r\n        var deferred = new util.Deferred();\r\n        this.repo_.onDisconnectCancel(this.path_, deferred.wrapCallback(onComplete));\r\n        return deferred.promise;\r\n    };\r\n    /**\r\n     * @param {function(?Error)=} onComplete\r\n     * @return {!firebase.Promise}\r\n     */\r\n    OnDisconnect.prototype.remove = function (onComplete) {\r\n        util.validateArgCount('OnDisconnect.remove', 0, 1, arguments.length);\r\n        validateWritablePath('OnDisconnect.remove', this.path_);\r\n        util.validateCallback('OnDisconnect.remove', 1, onComplete, true);\r\n        var deferred = new util.Deferred();\r\n        this.repo_.onDisconnectSet(this.path_, null, deferred.wrapCallback(onComplete));\r\n        return deferred.promise;\r\n    };\r\n    /**\r\n     * @param {*} value\r\n     * @param {function(?Error)=} onComplete\r\n     * @return {!firebase.Promise}\r\n     */\r\n    OnDisconnect.prototype.set = function (value, onComplete) {\r\n        util.validateArgCount('OnDisconnect.set', 1, 2, arguments.length);\r\n        validateWritablePath('OnDisconnect.set', this.path_);\r\n        validateFirebaseDataArg('OnDisconnect.set', 1, value, this.path_, false);\r\n        util.validateCallback('OnDisconnect.set', 2, onComplete, true);\r\n        var deferred = new util.Deferred();\r\n        this.repo_.onDisconnectSet(this.path_, value, deferred.wrapCallback(onComplete));\r\n        return deferred.promise;\r\n    };\r\n    /**\r\n     * @param {*} value\r\n     * @param {number|string|null} priority\r\n     * @param {function(?Error)=} onComplete\r\n     * @return {!firebase.Promise}\r\n     */\r\n    OnDisconnect.prototype.setWithPriority = function (value, priority, onComplete) {\r\n        util.validateArgCount('OnDisconnect.setWithPriority', 2, 3, arguments.length);\r\n        validateWritablePath('OnDisconnect.setWithPriority', this.path_);\r\n        validateFirebaseDataArg('OnDisconnect.setWithPriority', 1, value, this.path_, false);\r\n        validatePriority('OnDisconnect.setWithPriority', 2, priority, false);\r\n        util.validateCallback('OnDisconnect.setWithPriority', 3, onComplete, true);\r\n        var deferred = new util.Deferred();\r\n        this.repo_.onDisconnectSetWithPriority(this.path_, value, priority, deferred.wrapCallback(onComplete));\r\n        return deferred.promise;\r\n    };\r\n    /**\r\n     * @param {!Object} objectToMerge\r\n     * @param {function(?Error)=} onComplete\r\n     * @return {!firebase.Promise}\r\n     */\r\n    OnDisconnect.prototype.update = function (objectToMerge, onComplete) {\r\n        util.validateArgCount('OnDisconnect.update', 1, 2, arguments.length);\r\n        validateWritablePath('OnDisconnect.update', this.path_);\r\n        if (Array.isArray(objectToMerge)) {\r\n            var newObjectToMerge = {};\r\n            for (var i = 0; i < objectToMerge.length; ++i) {\r\n                newObjectToMerge['' + i] = objectToMerge[i];\r\n            }\r\n            objectToMerge = newObjectToMerge;\r\n            warn('Passing an Array to firebase.database.onDisconnect().update() is deprecated. Use set() if you want to overwrite the ' +\r\n                'existing data, or an Object with integer keys if you really do want to only update some of the children.');\r\n        }\r\n        validateFirebaseMergeDataArg('OnDisconnect.update', 1, objectToMerge, this.path_, false);\r\n        util.validateCallback('OnDisconnect.update', 2, onComplete, true);\r\n        var deferred = new util.Deferred();\r\n        this.repo_.onDisconnectUpdate(this.path_, objectToMerge, deferred.wrapCallback(onComplete));\r\n        return deferred.promise;\r\n    };\r\n    return OnDisconnect;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nvar TransactionResult = /** @class */ (function () {\r\n    /**\r\n     * A type for the resolve value of Firebase.transaction.\r\n     * @constructor\r\n     * @dict\r\n     * @param {boolean} committed\r\n     * @param {DataSnapshot} snapshot\r\n     */\r\n    function TransactionResult(committed, snapshot) {\r\n        this.committed = committed;\r\n        this.snapshot = snapshot;\r\n    }\r\n    // Do not create public documentation. This is intended to make JSON serialization work but is otherwise unnecessary\r\n    // for end-users\r\n    TransactionResult.prototype.toJSON = function () {\r\n        util.validateArgCount('TransactionResult.toJSON', 0, 1, arguments.length);\r\n        return { committed: this.committed, snapshot: this.snapshot.toJSON() };\r\n    };\r\n    return TransactionResult;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * Fancy ID generator that creates 20-character string identifiers with the\r\n * following properties:\r\n *\r\n * 1. They're based on timestamp so that they sort *after* any existing ids.\r\n * 2. They contain 72-bits of random data after the timestamp so that IDs won't\r\n *    collide with other clients' IDs.\r\n * 3. They sort *lexicographically* (so the timestamp is converted to characters\r\n *    that will sort properly).\r\n * 4. They're monotonically increasing. Even if you generate more than one in\r\n *    the same timestamp, the latter ones will sort after the former ones. We do\r\n *    this by using the previous random bits but \"incrementing\" them by 1 (only\r\n *    in the case of a timestamp collision).\r\n */\r\nvar nextPushId = (function () {\r\n    // Modeled after base64 web-safe chars, but ordered by ASCII.\r\n    var PUSH_CHARS = '-0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ_abcdefghijklmnopqrstuvwxyz';\r\n    // Timestamp of last push, used to prevent local collisions if you push twice\r\n    // in one ms.\r\n    var lastPushTime = 0;\r\n    // We generate 72-bits of randomness which get turned into 12 characters and\r\n    // appended to the timestamp to prevent collisions with other clients. We\r\n    // store the last characters we generated because in the event of a collision,\r\n    // we'll use those same characters except \"incremented\" by one.\r\n    var lastRandChars = [];\r\n    return function (now) {\r\n        var duplicateTime = now === lastPushTime;\r\n        lastPushTime = now;\r\n        var i;\r\n        var timeStampChars = new Array(8);\r\n        for (i = 7; i >= 0; i--) {\r\n            timeStampChars[i] = PUSH_CHARS.charAt(now % 64);\r\n            // NOTE: Can't use << here because javascript will convert to int and lose\r\n            // the upper bits.\r\n            now = Math.floor(now / 64);\r\n        }\r\n        util.assert(now === 0, 'Cannot push at time == 0');\r\n        var id = timeStampChars.join('');\r\n        if (!duplicateTime) {\r\n            for (i = 0; i < 12; i++) {\r\n                lastRandChars[i] = Math.floor(Math.random() * 64);\r\n            }\r\n        }\r\n        else {\r\n            // If the timestamp hasn't changed since last push, use the same random\r\n            // number, except incremented by 1.\r\n            for (i = 11; i >= 0 && lastRandChars[i] === 63; i--) {\r\n                lastRandChars[i] = 0;\r\n            }\r\n            lastRandChars[i]++;\r\n        }\r\n        for (i = 0; i < 12; i++) {\r\n            id += PUSH_CHARS.charAt(lastRandChars[i]);\r\n        }\r\n        util.assert(id.length === 20, 'nextPushId: Length should be 20.');\r\n        return id;\r\n    };\r\n})();\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n *\r\n * @param {!string} name\r\n * @param {!Node} node\r\n * @constructor\r\n * @struct\r\n */\r\nvar NamedNode = /** @class */ (function () {\r\n    function NamedNode(name, node) {\r\n        this.name = name;\r\n        this.node = node;\r\n    }\r\n    /**\r\n     *\r\n     * @param {!string} name\r\n     * @param {!Node} node\r\n     * @return {NamedNode}\r\n     */\r\n    NamedNode.Wrap = function (name, node) {\r\n        return new NamedNode(name, node);\r\n    };\r\n    return NamedNode;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n *\r\n * @constructor\r\n */\r\nvar Index = /** @class */ (function () {\r\n    function Index() {\r\n    }\r\n    /**\r\n     * @return {function(!NamedNode, !NamedNode):number} A standalone comparison function for\r\n     * this index\r\n     */\r\n    Index.prototype.getCompare = function () {\r\n        return this.compare.bind(this);\r\n    };\r\n    /**\r\n     * Given a before and after value for a node, determine if the indexed value has changed. Even if they are different,\r\n     * it's possible that the changes are isolated to parts of the snapshot that are not indexed.\r\n     *\r\n     * @param {!Node} oldNode\r\n     * @param {!Node} newNode\r\n     * @return {boolean} True if the portion of the snapshot being indexed changed between oldNode and newNode\r\n     */\r\n    Index.prototype.indexedValueChanged = function (oldNode, newNode) {\r\n        var oldWrapped = new NamedNode(MIN_NAME, oldNode);\r\n        var newWrapped = new NamedNode(MIN_NAME, newNode);\r\n        return this.compare(oldWrapped, newWrapped) !== 0;\r\n    };\r\n    /**\r\n     * @return {!NamedNode} a node wrapper that will sort equal to or less than\r\n     * any other node wrapper, using this index\r\n     */\r\n    Index.prototype.minPost = function () {\r\n        // eslint-disable-next-line @typescript-eslint/no-explicit-any\r\n        return NamedNode.MIN;\r\n    };\r\n    return Index;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nvar __EMPTY_NODE;\r\nvar KeyIndex = /** @class */ (function (_super) {\r\n    tslib.__extends(KeyIndex, _super);\r\n    function KeyIndex() {\r\n        return _super !== null && _super.apply(this, arguments) || this;\r\n    }\r\n    Object.defineProperty(KeyIndex, \"__EMPTY_NODE\", {\r\n        get: function () {\r\n            return __EMPTY_NODE;\r\n        },\r\n        set: function (val) {\r\n            __EMPTY_NODE = val;\r\n        },\r\n        enumerable: false,\r\n        configurable: true\r\n    });\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    KeyIndex.prototype.compare = function (a, b) {\r\n        return nameCompare(a.name, b.name);\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    KeyIndex.prototype.isDefinedOn = function (node) {\r\n        // We could probably return true here (since every node has a key), but it's never called\r\n        // so just leaving unimplemented for now.\r\n        throw util.assertionError('KeyIndex.isDefinedOn not expected to be called.');\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    KeyIndex.prototype.indexedValueChanged = function (oldNode, newNode) {\r\n        return false; // The key for a node never changes.\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    KeyIndex.prototype.minPost = function () {\r\n        // eslint-disable-next-line @typescript-eslint/no-explicit-any\r\n        return NamedNode.MIN;\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    KeyIndex.prototype.maxPost = function () {\r\n        // TODO: This should really be created once and cached in a static property, but\r\n        // NamedNode isn't defined yet, so I can't use it in a static.  Bleh.\r\n        return new NamedNode(MAX_NAME, __EMPTY_NODE);\r\n    };\r\n    /**\r\n     * @param {*} indexValue\r\n     * @param {string} name\r\n     * @return {!NamedNode}\r\n     */\r\n    KeyIndex.prototype.makePost = function (indexValue, name) {\r\n        util.assert(typeof indexValue === 'string', 'KeyIndex indexValue must always be a string.');\r\n        // We just use empty node, but it'll never be compared, since our comparator only looks at name.\r\n        return new NamedNode(indexValue, __EMPTY_NODE);\r\n    };\r\n    /**\r\n     * @return {!string} String representation for inclusion in a query spec\r\n     */\r\n    KeyIndex.prototype.toString = function () {\r\n        return '.key';\r\n    };\r\n    return KeyIndex;\r\n}(Index));\r\nvar KEY_INDEX = new KeyIndex();\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nvar MAX_NODE;\r\nfunction setMaxNode(val) {\r\n    MAX_NODE = val;\r\n}\r\n/**\r\n * @param {(!string|!number)} priority\r\n * @return {!string}\r\n */\r\nvar priorityHashText = function (priority) {\r\n    if (typeof priority === 'number') {\r\n        return 'number:' + doubleToIEEE754String(priority);\r\n    }\r\n    else {\r\n        return 'string:' + priority;\r\n    }\r\n};\r\n/**\r\n * Validates that a priority snapshot Node is valid.\r\n *\r\n * @param {!Node} priorityNode\r\n */\r\nvar validatePriorityNode = function (priorityNode) {\r\n    if (priorityNode.isLeafNode()) {\r\n        var val = priorityNode.val();\r\n        util.assert(typeof val === 'string' ||\r\n            typeof val === 'number' ||\r\n            (typeof val === 'object' && util.contains(val, '.sv')), 'Priority must be a string or number.');\r\n    }\r\n    else {\r\n        util.assert(priorityNode === MAX_NODE || priorityNode.isEmpty(), 'priority of unexpected type.');\r\n    }\r\n    // Don't call getPriority() on MAX_NODE to avoid hitting assertion.\r\n    util.assert(priorityNode === MAX_NODE || priorityNode.getPriority().isEmpty(), \"Priority nodes can't have a priority of their own.\");\r\n};\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nvar __childrenNodeConstructor;\r\n/**\r\n * LeafNode is a class for storing leaf nodes in a DataSnapshot.  It\r\n * implements Node and stores the value of the node (a string,\r\n * number, or boolean) accessible via getValue().\r\n */\r\nvar LeafNode = /** @class */ (function () {\r\n    /**\r\n     * @implements {Node}\r\n     * @param {!(string|number|boolean|Object)} value_ The value to store in this leaf node.\r\n     *                                         The object type is possible in the event of a deferred value\r\n     * @param {!Node=} priorityNode_ The priority of this node.\r\n     */\r\n    function LeafNode(value_, priorityNode_) {\r\n        if (priorityNode_ === void 0) { priorityNode_ = LeafNode.__childrenNodeConstructor.EMPTY_NODE; }\r\n        this.value_ = value_;\r\n        this.priorityNode_ = priorityNode_;\r\n        this.lazyHash_ = null;\r\n        util.assert(this.value_ !== undefined && this.value_ !== null, \"LeafNode shouldn't be created with null/undefined value.\");\r\n        validatePriorityNode(this.priorityNode_);\r\n    }\r\n    Object.defineProperty(LeafNode, \"__childrenNodeConstructor\", {\r\n        get: function () {\r\n            return __childrenNodeConstructor;\r\n        },\r\n        set: function (val) {\r\n            __childrenNodeConstructor = val;\r\n        },\r\n        enumerable: false,\r\n        configurable: true\r\n    });\r\n    /** @inheritDoc */\r\n    LeafNode.prototype.isLeafNode = function () {\r\n        return true;\r\n    };\r\n    /** @inheritDoc */\r\n    LeafNode.prototype.getPriority = function () {\r\n        return this.priorityNode_;\r\n    };\r\n    /** @inheritDoc */\r\n    LeafNode.prototype.updatePriority = function (newPriorityNode) {\r\n        return new LeafNode(this.value_, newPriorityNode);\r\n    };\r\n    /** @inheritDoc */\r\n    LeafNode.prototype.getImmediateChild = function (childName) {\r\n        // Hack to treat priority as a regular child\r\n        if (childName === '.priority') {\r\n            return this.priorityNode_;\r\n        }\r\n        else {\r\n            return LeafNode.__childrenNodeConstructor.EMPTY_NODE;\r\n        }\r\n    };\r\n    /** @inheritDoc */\r\n    LeafNode.prototype.getChild = function (path) {\r\n        if (path.isEmpty()) {\r\n            return this;\r\n        }\r\n        else if (path.getFront() === '.priority') {\r\n            return this.priorityNode_;\r\n        }\r\n        else {\r\n            return LeafNode.__childrenNodeConstructor.EMPTY_NODE;\r\n        }\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    LeafNode.prototype.hasChild = function () {\r\n        return false;\r\n    };\r\n    /** @inheritDoc */\r\n    LeafNode.prototype.getPredecessorChildName = function (childName, childNode) {\r\n        return null;\r\n    };\r\n    /** @inheritDoc */\r\n    LeafNode.prototype.updateImmediateChild = function (childName, newChildNode) {\r\n        if (childName === '.priority') {\r\n            return this.updatePriority(newChildNode);\r\n        }\r\n        else if (newChildNode.isEmpty() && childName !== '.priority') {\r\n            return this;\r\n        }\r\n        else {\r\n            return LeafNode.__childrenNodeConstructor.EMPTY_NODE.updateImmediateChild(childName, newChildNode).updatePriority(this.priorityNode_);\r\n        }\r\n    };\r\n    /** @inheritDoc */\r\n    LeafNode.prototype.updateChild = function (path, newChildNode) {\r\n        var front = path.getFront();\r\n        if (front === null) {\r\n            return newChildNode;\r\n        }\r\n        else if (newChildNode.isEmpty() && front !== '.priority') {\r\n            return this;\r\n        }\r\n        else {\r\n            util.assert(front !== '.priority' || path.getLength() === 1, '.priority must be the last token in a path');\r\n            return this.updateImmediateChild(front, LeafNode.__childrenNodeConstructor.EMPTY_NODE.updateChild(path.popFront(), newChildNode));\r\n        }\r\n    };\r\n    /** @inheritDoc */\r\n    LeafNode.prototype.isEmpty = function () {\r\n        return false;\r\n    };\r\n    /** @inheritDoc */\r\n    LeafNode.prototype.numChildren = function () {\r\n        return 0;\r\n    };\r\n    /** @inheritDoc */\r\n    LeafNode.prototype.forEachChild = function (index, action) {\r\n        return false;\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    LeafNode.prototype.val = function (exportFormat) {\r\n        if (exportFormat && !this.getPriority().isEmpty()) {\r\n            return {\r\n                '.value': this.getValue(),\r\n                '.priority': this.getPriority().val()\r\n            };\r\n        }\r\n        else {\r\n            return this.getValue();\r\n        }\r\n    };\r\n    /** @inheritDoc */\r\n    LeafNode.prototype.hash = function () {\r\n        if (this.lazyHash_ === null) {\r\n            var toHash = '';\r\n            if (!this.priorityNode_.isEmpty()) {\r\n                toHash +=\r\n                    'priority:' +\r\n                        priorityHashText(this.priorityNode_.val()) +\r\n                        ':';\r\n            }\r\n            var type = typeof this.value_;\r\n            toHash += type + ':';\r\n            if (type === 'number') {\r\n                toHash += doubleToIEEE754String(this.value_);\r\n            }\r\n            else {\r\n                toHash += this.value_;\r\n            }\r\n            this.lazyHash_ = sha1(toHash);\r\n        }\r\n        return this.lazyHash_;\r\n    };\r\n    /**\r\n     * Returns the value of the leaf node.\r\n     * @return {Object|string|number|boolean} The value of the node.\r\n     */\r\n    LeafNode.prototype.getValue = function () {\r\n        return this.value_;\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    LeafNode.prototype.compareTo = function (other) {\r\n        if (other === LeafNode.__childrenNodeConstructor.EMPTY_NODE) {\r\n            return 1;\r\n        }\r\n        else if (other instanceof LeafNode.__childrenNodeConstructor) {\r\n            return -1;\r\n        }\r\n        else {\r\n            util.assert(other.isLeafNode(), 'Unknown node type');\r\n            return this.compareToLeafNode_(other);\r\n        }\r\n    };\r\n    /**\r\n     * Comparison specifically for two leaf nodes\r\n     * @param {!LeafNode} otherLeaf\r\n     * @return {!number}\r\n     * @private\r\n     */\r\n    LeafNode.prototype.compareToLeafNode_ = function (otherLeaf) {\r\n        var otherLeafType = typeof otherLeaf.value_;\r\n        var thisLeafType = typeof this.value_;\r\n        var otherIndex = LeafNode.VALUE_TYPE_ORDER.indexOf(otherLeafType);\r\n        var thisIndex = LeafNode.VALUE_TYPE_ORDER.indexOf(thisLeafType);\r\n        util.assert(otherIndex >= 0, 'Unknown leaf type: ' + otherLeafType);\r\n        util.assert(thisIndex >= 0, 'Unknown leaf type: ' + thisLeafType);\r\n        if (otherIndex === thisIndex) {\r\n            // Same type, compare values\r\n            if (thisLeafType === 'object') {\r\n                // Deferred value nodes are all equal, but we should also never get to this point...\r\n                return 0;\r\n            }\r\n            else {\r\n                // Note that this works because true > false, all others are number or string comparisons\r\n                if (this.value_ < otherLeaf.value_) {\r\n                    return -1;\r\n                }\r\n                else if (this.value_ === otherLeaf.value_) {\r\n                    return 0;\r\n                }\r\n                else {\r\n                    return 1;\r\n                }\r\n            }\r\n        }\r\n        else {\r\n            return thisIndex - otherIndex;\r\n        }\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    LeafNode.prototype.withIndex = function () {\r\n        return this;\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    LeafNode.prototype.isIndexed = function () {\r\n        return true;\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    LeafNode.prototype.equals = function (other) {\r\n        /**\r\n         * @inheritDoc\r\n         */\r\n        if (other === this) {\r\n            return true;\r\n        }\r\n        else if (other.isLeafNode()) {\r\n            var otherLeaf = other;\r\n            return (this.value_ === otherLeaf.value_ &&\r\n                this.priorityNode_.equals(otherLeaf.priorityNode_));\r\n        }\r\n        else {\r\n            return false;\r\n        }\r\n    };\r\n    /**\r\n     * The sort order for comparing leaf nodes of different types. If two leaf nodes have\r\n     * the same type, the comparison falls back to their value\r\n     * @type {Array.<!string>}\r\n     * @const\r\n     */\r\n    LeafNode.VALUE_TYPE_ORDER = ['object', 'boolean', 'number', 'string'];\r\n    return LeafNode;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nvar nodeFromJSON;\r\nvar MAX_NODE$1;\r\nfunction setNodeFromJSON(val) {\r\n    nodeFromJSON = val;\r\n}\r\nfunction setMaxNode$1(val) {\r\n    MAX_NODE$1 = val;\r\n}\r\n/**\r\n * @constructor\r\n * @extends {Index}\r\n * @private\r\n */\r\nvar PriorityIndex = /** @class */ (function (_super) {\r\n    tslib.__extends(PriorityIndex, _super);\r\n    function PriorityIndex() {\r\n        return _super !== null && _super.apply(this, arguments) || this;\r\n    }\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    PriorityIndex.prototype.compare = function (a, b) {\r\n        var aPriority = a.node.getPriority();\r\n        var bPriority = b.node.getPriority();\r\n        var indexCmp = aPriority.compareTo(bPriority);\r\n        if (indexCmp === 0) {\r\n            return nameCompare(a.name, b.name);\r\n        }\r\n        else {\r\n            return indexCmp;\r\n        }\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    PriorityIndex.prototype.isDefinedOn = function (node) {\r\n        return !node.getPriority().isEmpty();\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    PriorityIndex.prototype.indexedValueChanged = function (oldNode, newNode) {\r\n        return !oldNode.getPriority().equals(newNode.getPriority());\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    PriorityIndex.prototype.minPost = function () {\r\n        // eslint-disable-next-line @typescript-eslint/no-explicit-any\r\n        return NamedNode.MIN;\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    PriorityIndex.prototype.maxPost = function () {\r\n        return new NamedNode(MAX_NAME, new LeafNode('[PRIORITY-POST]', MAX_NODE$1));\r\n    };\r\n    /**\r\n     * @param {*} indexValue\r\n     * @param {string} name\r\n     * @return {!NamedNode}\r\n     */\r\n    PriorityIndex.prototype.makePost = function (indexValue, name) {\r\n        var priorityNode = nodeFromJSON(indexValue);\r\n        return new NamedNode(name, new LeafNode('[PRIORITY-POST]', priorityNode));\r\n    };\r\n    /**\r\n     * @return {!string} String representation for inclusion in a query spec\r\n     */\r\n    PriorityIndex.prototype.toString = function () {\r\n        return '.priority';\r\n    };\r\n    return PriorityIndex;\r\n}(Index));\r\nvar PRIORITY_INDEX = new PriorityIndex();\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * An iterator over an LLRBNode.\r\n */\r\nvar SortedMapIterator = /** @class */ (function () {\r\n    /**\r\n     * @template K, V, T\r\n     * @param {LLRBNode|LLRBEmptyNode} node Node to iterate.\r\n     * @param {?K} startKey\r\n     * @param {function(K, K): number} comparator\r\n     * @param {boolean} isReverse_ Whether or not to iterate in reverse\r\n     * @param {(function(K, V):T)=} resultGenerator_\r\n     */\r\n    function SortedMapIterator(node, startKey, comparator, isReverse_, resultGenerator_) {\r\n        if (resultGenerator_ === void 0) { resultGenerator_ = null; }\r\n        this.isReverse_ = isReverse_;\r\n        this.resultGenerator_ = resultGenerator_;\r\n        /** @private\r\n         * @type {Array.<!LLRBNode>}\r\n         */\r\n        this.nodeStack_ = [];\r\n        var cmp = 1;\r\n        while (!node.isEmpty()) {\r\n            node = node;\r\n            cmp = startKey ? comparator(node.key, startKey) : 1;\r\n            // flip the comparison if we're going in reverse\r\n            if (isReverse_) {\r\n                cmp *= -1;\r\n            }\r\n            if (cmp < 0) {\r\n                // This node is less than our start key. ignore it\r\n                if (this.isReverse_) {\r\n                    node = node.left;\r\n                }\r\n                else {\r\n                    node = node.right;\r\n                }\r\n            }\r\n            else if (cmp === 0) {\r\n                // This node is exactly equal to our start key. Push it on the stack, but stop iterating;\r\n                this.nodeStack_.push(node);\r\n                break;\r\n            }\r\n            else {\r\n                // This node is greater than our start key, add it to the stack and move to the next one\r\n                this.nodeStack_.push(node);\r\n                if (this.isReverse_) {\r\n                    node = node.right;\r\n                }\r\n                else {\r\n                    node = node.left;\r\n                }\r\n            }\r\n        }\r\n    }\r\n    SortedMapIterator.prototype.getNext = function () {\r\n        if (this.nodeStack_.length === 0) {\r\n            return null;\r\n        }\r\n        var node = this.nodeStack_.pop();\r\n        var result;\r\n        if (this.resultGenerator_) {\r\n            result = this.resultGenerator_(node.key, node.value);\r\n        }\r\n        else {\r\n            result = { key: node.key, value: node.value };\r\n        }\r\n        if (this.isReverse_) {\r\n            node = node.left;\r\n            while (!node.isEmpty()) {\r\n                this.nodeStack_.push(node);\r\n                node = node.right;\r\n            }\r\n        }\r\n        else {\r\n            node = node.right;\r\n            while (!node.isEmpty()) {\r\n                this.nodeStack_.push(node);\r\n                node = node.left;\r\n            }\r\n        }\r\n        return result;\r\n    };\r\n    SortedMapIterator.prototype.hasNext = function () {\r\n        return this.nodeStack_.length > 0;\r\n    };\r\n    SortedMapIterator.prototype.peek = function () {\r\n        if (this.nodeStack_.length === 0) {\r\n            return null;\r\n        }\r\n        var node = this.nodeStack_[this.nodeStack_.length - 1];\r\n        if (this.resultGenerator_) {\r\n            return this.resultGenerator_(node.key, node.value);\r\n        }\r\n        else {\r\n            return { key: node.key, value: node.value };\r\n        }\r\n    };\r\n    return SortedMapIterator;\r\n}());\r\n/**\r\n * Represents a node in a Left-leaning Red-Black tree.\r\n */\r\nvar LLRBNode = /** @class */ (function () {\r\n    /**\r\n     * @template K, V\r\n     * @param {!K} key Key associated with this node.\r\n     * @param {!V} value Value associated with this node.\r\n     * @param {?boolean} color Whether this node is red.\r\n     * @param {?(LLRBNode|LLRBEmptyNode)=} left Left child.\r\n     * @param {?(LLRBNode|LLRBEmptyNode)=} right Right child.\r\n     */\r\n    function LLRBNode(key, value, color, left, right) {\r\n        this.key = key;\r\n        this.value = value;\r\n        this.color = color != null ? color : LLRBNode.RED;\r\n        this.left =\r\n            left != null ? left : SortedMap.EMPTY_NODE;\r\n        this.right =\r\n            right != null ? right : SortedMap.EMPTY_NODE;\r\n    }\r\n    /**\r\n     * Returns a copy of the current node, optionally replacing pieces of it.\r\n     *\r\n     * @param {?K} key New key for the node, or null.\r\n     * @param {?V} value New value for the node, or null.\r\n     * @param {?boolean} color New color for the node, or null.\r\n     * @param {?LLRBNode|LLRBEmptyNode} left New left child for the node, or null.\r\n     * @param {?LLRBNode|LLRBEmptyNode} right New right child for the node, or null.\r\n     * @return {!LLRBNode} The node copy.\r\n     */\r\n    LLRBNode.prototype.copy = function (key, value, color, left, right) {\r\n        return new LLRBNode(key != null ? key : this.key, value != null ? value : this.value, color != null ? color : this.color, left != null ? left : this.left, right != null ? right : this.right);\r\n    };\r\n    /**\r\n     * @return {number} The total number of nodes in the tree.\r\n     */\r\n    LLRBNode.prototype.count = function () {\r\n        return this.left.count() + 1 + this.right.count();\r\n    };\r\n    /**\r\n     * @return {boolean} True if the tree is empty.\r\n     */\r\n    LLRBNode.prototype.isEmpty = function () {\r\n        return false;\r\n    };\r\n    /**\r\n     * Traverses the tree in key order and calls the specified action function\r\n     * for each node.\r\n     *\r\n     * @param {function(!K, !V):*} action Callback function to be called for each\r\n     *   node.  If it returns true, traversal is aborted.\r\n     * @return {*} The first truthy value returned by action, or the last falsey\r\n     *   value returned by action\r\n     */\r\n    LLRBNode.prototype.inorderTraversal = function (action) {\r\n        return (this.left.inorderTraversal(action) ||\r\n            !!action(this.key, this.value) ||\r\n            this.right.inorderTraversal(action));\r\n    };\r\n    /**\r\n     * Traverses the tree in reverse key order and calls the specified action function\r\n     * for each node.\r\n     *\r\n     * @param {function(!Object, !Object)} action Callback function to be called for each\r\n     * node.  If it returns true, traversal is aborted.\r\n     * @return {*} True if traversal was aborted.\r\n     */\r\n    LLRBNode.prototype.reverseTraversal = function (action) {\r\n        return (this.right.reverseTraversal(action) ||\r\n            action(this.key, this.value) ||\r\n            this.left.reverseTraversal(action));\r\n    };\r\n    /**\r\n     * @return {!Object} The minimum node in the tree.\r\n     * @private\r\n     */\r\n    LLRBNode.prototype.min_ = function () {\r\n        if (this.left.isEmpty()) {\r\n            return this;\r\n        }\r\n        else {\r\n            return this.left.min_();\r\n        }\r\n    };\r\n    /**\r\n     * @return {!K} The maximum key in the tree.\r\n     */\r\n    LLRBNode.prototype.minKey = function () {\r\n        return this.min_().key;\r\n    };\r\n    /**\r\n     * @return {!K} The maximum key in the tree.\r\n     */\r\n    LLRBNode.prototype.maxKey = function () {\r\n        if (this.right.isEmpty()) {\r\n            return this.key;\r\n        }\r\n        else {\r\n            return this.right.maxKey();\r\n        }\r\n    };\r\n    /**\r\n     *\r\n     * @param {!Object} key Key to insert.\r\n     * @param {!Object} value Value to insert.\r\n     * @param {Comparator} comparator Comparator.\r\n     * @return {!LLRBNode} New tree, with the key/value added.\r\n     */\r\n    LLRBNode.prototype.insert = function (key, value, comparator) {\r\n        var n = this;\r\n        var cmp = comparator(key, n.key);\r\n        if (cmp < 0) {\r\n            n = n.copy(null, null, null, n.left.insert(key, value, comparator), null);\r\n        }\r\n        else if (cmp === 0) {\r\n            n = n.copy(null, value, null, null, null);\r\n        }\r\n        else {\r\n            n = n.copy(null, null, null, null, n.right.insert(key, value, comparator));\r\n        }\r\n        return n.fixUp_();\r\n    };\r\n    /**\r\n     * @private\r\n     * @return {!LLRBNode|LLRBEmptyNode} New tree, with the minimum key removed.\r\n     */\r\n    LLRBNode.prototype.removeMin_ = function () {\r\n        if (this.left.isEmpty()) {\r\n            return SortedMap.EMPTY_NODE;\r\n        }\r\n        var n = this;\r\n        if (!n.left.isRed_() && !n.left.left.isRed_()) {\r\n            n = n.moveRedLeft_();\r\n        }\r\n        n = n.copy(null, null, null, n.left.removeMin_(), null);\r\n        return n.fixUp_();\r\n    };\r\n    /**\r\n     * @param {!Object} key The key of the item to remove.\r\n     * @param {Comparator} comparator Comparator.\r\n     * @return {!LLRBNode|LLRBEmptyNode} New tree, with the specified item removed.\r\n     */\r\n    LLRBNode.prototype.remove = function (key, comparator) {\r\n        var n, smallest;\r\n        n = this;\r\n        if (comparator(key, n.key) < 0) {\r\n            if (!n.left.isEmpty() && !n.left.isRed_() && !n.left.left.isRed_()) {\r\n                n = n.moveRedLeft_();\r\n            }\r\n            n = n.copy(null, null, null, n.left.remove(key, comparator), null);\r\n        }\r\n        else {\r\n            if (n.left.isRed_()) {\r\n                n = n.rotateRight_();\r\n            }\r\n            if (!n.right.isEmpty() && !n.right.isRed_() && !n.right.left.isRed_()) {\r\n                n = n.moveRedRight_();\r\n            }\r\n            if (comparator(key, n.key) === 0) {\r\n                if (n.right.isEmpty()) {\r\n                    return SortedMap.EMPTY_NODE;\r\n                }\r\n                else {\r\n                    smallest = n.right.min_();\r\n                    n = n.copy(smallest.key, smallest.value, null, null, n.right.removeMin_());\r\n                }\r\n            }\r\n            n = n.copy(null, null, null, null, n.right.remove(key, comparator));\r\n        }\r\n        return n.fixUp_();\r\n    };\r\n    /**\r\n     * @private\r\n     * @return {boolean} Whether this is a RED node.\r\n     */\r\n    LLRBNode.prototype.isRed_ = function () {\r\n        return this.color;\r\n    };\r\n    /**\r\n     * @private\r\n     * @return {!LLRBNode} New tree after performing any needed rotations.\r\n     */\r\n    LLRBNode.prototype.fixUp_ = function () {\r\n        var n = this;\r\n        if (n.right.isRed_() && !n.left.isRed_()) {\r\n            n = n.rotateLeft_();\r\n        }\r\n        if (n.left.isRed_() && n.left.left.isRed_()) {\r\n            n = n.rotateRight_();\r\n        }\r\n        if (n.left.isRed_() && n.right.isRed_()) {\r\n            n = n.colorFlip_();\r\n        }\r\n        return n;\r\n    };\r\n    /**\r\n     * @private\r\n     * @return {!LLRBNode} New tree, after moveRedLeft.\r\n     */\r\n    LLRBNode.prototype.moveRedLeft_ = function () {\r\n        var n = this.colorFlip_();\r\n        if (n.right.left.isRed_()) {\r\n            n = n.copy(null, null, null, null, n.right.rotateRight_());\r\n            n = n.rotateLeft_();\r\n            n = n.colorFlip_();\r\n        }\r\n        return n;\r\n    };\r\n    /**\r\n     * @private\r\n     * @return {!LLRBNode} New tree, after moveRedRight.\r\n     */\r\n    LLRBNode.prototype.moveRedRight_ = function () {\r\n        var n = this.colorFlip_();\r\n        if (n.left.left.isRed_()) {\r\n            n = n.rotateRight_();\r\n            n = n.colorFlip_();\r\n        }\r\n        return n;\r\n    };\r\n    /**\r\n     * @private\r\n     * @return {!LLRBNode} New tree, after rotateLeft.\r\n     */\r\n    LLRBNode.prototype.rotateLeft_ = function () {\r\n        var nl = this.copy(null, null, LLRBNode.RED, null, this.right.left);\r\n        return this.right.copy(null, null, this.color, nl, null);\r\n    };\r\n    /**\r\n     * @private\r\n     * @return {!LLRBNode} New tree, after rotateRight.\r\n     */\r\n    LLRBNode.prototype.rotateRight_ = function () {\r\n        var nr = this.copy(null, null, LLRBNode.RED, this.left.right, null);\r\n        return this.left.copy(null, null, this.color, null, nr);\r\n    };\r\n    /**\r\n     * @private\r\n     * @return {!LLRBNode} New tree, after colorFlip.\r\n     */\r\n    LLRBNode.prototype.colorFlip_ = function () {\r\n        var left = this.left.copy(null, null, !this.left.color, null, null);\r\n        var right = this.right.copy(null, null, !this.right.color, null, null);\r\n        return this.copy(null, null, !this.color, left, right);\r\n    };\r\n    /**\r\n     * For testing.\r\n     *\r\n     * @private\r\n     * @return {boolean} True if all is well.\r\n     */\r\n    LLRBNode.prototype.checkMaxDepth_ = function () {\r\n        var blackDepth = this.check_();\r\n        return Math.pow(2.0, blackDepth) <= this.count() + 1;\r\n    };\r\n    /**\r\n     * @private\r\n     * @return {number} Not sure what this returns exactly. :-).\r\n     */\r\n    LLRBNode.prototype.check_ = function () {\r\n        if (this.isRed_() && this.left.isRed_()) {\r\n            throw new Error('Red node has red child(' + this.key + ',' + this.value + ')');\r\n        }\r\n        if (this.right.isRed_()) {\r\n            throw new Error('Right child of (' + this.key + ',' + this.value + ') is red');\r\n        }\r\n        var blackDepth = this.left.check_();\r\n        if (blackDepth !== this.right.check_()) {\r\n            throw new Error('Black depths differ');\r\n        }\r\n        else {\r\n            return blackDepth + (this.isRed_() ? 0 : 1);\r\n        }\r\n    };\r\n    LLRBNode.RED = true;\r\n    LLRBNode.BLACK = false;\r\n    return LLRBNode;\r\n}());\r\n/**\r\n * Represents an empty node (a leaf node in the Red-Black Tree).\r\n */\r\nvar LLRBEmptyNode = /** @class */ (function () {\r\n    function LLRBEmptyNode() {\r\n    }\r\n    /**\r\n     * Returns a copy of the current node.\r\n     *\r\n     * @return {!LLRBEmptyNode} The node copy.\r\n     */\r\n    LLRBEmptyNode.prototype.copy = function (key, value, color, left, right) {\r\n        return this;\r\n    };\r\n    /**\r\n     * Returns a copy of the tree, with the specified key/value added.\r\n     *\r\n     * @param {!K} key Key to be added.\r\n     * @param {!V} value Value to be added.\r\n     * @param {Comparator} comparator Comparator.\r\n     * @return {!LLRBNode} New tree, with item added.\r\n     */\r\n    LLRBEmptyNode.prototype.insert = function (key, value, comparator) {\r\n        return new LLRBNode(key, value, null);\r\n    };\r\n    /**\r\n     * Returns a copy of the tree, with the specified key removed.\r\n     *\r\n     * @param {!K} key The key to remove.\r\n     * @param {Comparator} comparator Comparator.\r\n     * @return {!LLRBEmptyNode} New tree, with item removed.\r\n     */\r\n    LLRBEmptyNode.prototype.remove = function (key, comparator) {\r\n        return this;\r\n    };\r\n    /**\r\n     * @return {number} The total number of nodes in the tree.\r\n     */\r\n    LLRBEmptyNode.prototype.count = function () {\r\n        return 0;\r\n    };\r\n    /**\r\n     * @return {boolean} True if the tree is empty.\r\n     */\r\n    LLRBEmptyNode.prototype.isEmpty = function () {\r\n        return true;\r\n    };\r\n    /**\r\n     * Traverses the tree in key order and calls the specified action function\r\n     * for each node.\r\n     *\r\n     * @param {function(!K, !V):*} action Callback function to be called for each\r\n     * node.  If it returns true, traversal is aborted.\r\n     * @return {boolean} True if traversal was aborted.\r\n     */\r\n    LLRBEmptyNode.prototype.inorderTraversal = function (action) {\r\n        return false;\r\n    };\r\n    /**\r\n     * Traverses the tree in reverse key order and calls the specified action function\r\n     * for each node.\r\n     *\r\n     * @param {function(!K, !V)} action Callback function to be called for each\r\n     * node.  If it returns true, traversal is aborted.\r\n     * @return {boolean} True if traversal was aborted.\r\n     */\r\n    LLRBEmptyNode.prototype.reverseTraversal = function (action) {\r\n        return false;\r\n    };\r\n    /**\r\n     * @return {null}\r\n     */\r\n    LLRBEmptyNode.prototype.minKey = function () {\r\n        return null;\r\n    };\r\n    /**\r\n     * @return {null}\r\n     */\r\n    LLRBEmptyNode.prototype.maxKey = function () {\r\n        return null;\r\n    };\r\n    /**\r\n     * @private\r\n     * @return {number} Not sure what this returns exactly. :-).\r\n     */\r\n    LLRBEmptyNode.prototype.check_ = function () {\r\n        return 0;\r\n    };\r\n    /**\r\n     * @private\r\n     * @return {boolean} Whether this node is red.\r\n     */\r\n    LLRBEmptyNode.prototype.isRed_ = function () {\r\n        return false;\r\n    };\r\n    return LLRBEmptyNode;\r\n}());\r\n/**\r\n * An immutable sorted map implementation, based on a Left-leaning Red-Black\r\n * tree.\r\n */\r\nvar SortedMap = /** @class */ (function () {\r\n    /**\r\n     * @template K, V\r\n     * @param {function(K, K):number} comparator_ Key comparator.\r\n     * @param {LLRBNode=} root_ (Optional) Root node for the map.\r\n     */\r\n    function SortedMap(comparator_, root_) {\r\n        if (root_ === void 0) { root_ = SortedMap.EMPTY_NODE; }\r\n        this.comparator_ = comparator_;\r\n        this.root_ = root_;\r\n    }\r\n    /**\r\n     * Returns a copy of the map, with the specified key/value added or replaced.\r\n     * (TODO: We should perhaps rename this method to 'put')\r\n     *\r\n     * @param {!K} key Key to be added.\r\n     * @param {!V} value Value to be added.\r\n     * @return {!SortedMap.<K, V>} New map, with item added.\r\n     */\r\n    SortedMap.prototype.insert = function (key, value) {\r\n        return new SortedMap(this.comparator_, this.root_\r\n            .insert(key, value, this.comparator_)\r\n            .copy(null, null, LLRBNode.BLACK, null, null));\r\n    };\r\n    /**\r\n     * Returns a copy of the map, with the specified key removed.\r\n     *\r\n     * @param {!K} key The key to remove.\r\n     * @return {!SortedMap.<K, V>} New map, with item removed.\r\n     */\r\n    SortedMap.prototype.remove = function (key) {\r\n        return new SortedMap(this.comparator_, this.root_\r\n            .remove(key, this.comparator_)\r\n            .copy(null, null, LLRBNode.BLACK, null, null));\r\n    };\r\n    /**\r\n     * Returns the value of the node with the given key, or null.\r\n     *\r\n     * @param {!K} key The key to look up.\r\n     * @return {?V} The value of the node with the given key, or null if the\r\n     * key doesn't exist.\r\n     */\r\n    SortedMap.prototype.get = function (key) {\r\n        var cmp;\r\n        var node = this.root_;\r\n        while (!node.isEmpty()) {\r\n            cmp = this.comparator_(key, node.key);\r\n            if (cmp === 0) {\r\n                return node.value;\r\n            }\r\n            else if (cmp < 0) {\r\n                node = node.left;\r\n            }\r\n            else if (cmp > 0) {\r\n                node = node.right;\r\n            }\r\n        }\r\n        return null;\r\n    };\r\n    /**\r\n     * Returns the key of the item *before* the specified key, or null if key is the first item.\r\n     * @param {K} key The key to find the predecessor of\r\n     * @return {?K} The predecessor key.\r\n     */\r\n    SortedMap.prototype.getPredecessorKey = function (key) {\r\n        var cmp, node = this.root_, rightParent = null;\r\n        while (!node.isEmpty()) {\r\n            cmp = this.comparator_(key, node.key);\r\n            if (cmp === 0) {\r\n                if (!node.left.isEmpty()) {\r\n                    node = node.left;\r\n                    while (!node.right.isEmpty()) {\r\n                        node = node.right;\r\n                    }\r\n                    return node.key;\r\n                }\r\n                else if (rightParent) {\r\n                    return rightParent.key;\r\n                }\r\n                else {\r\n                    return null; // first item.\r\n                }\r\n            }\r\n            else if (cmp < 0) {\r\n                node = node.left;\r\n            }\r\n            else if (cmp > 0) {\r\n                rightParent = node;\r\n                node = node.right;\r\n            }\r\n        }\r\n        throw new Error('Attempted to find predecessor key for a nonexistent key.  What gives?');\r\n    };\r\n    /**\r\n     * @return {boolean} True if the map is empty.\r\n     */\r\n    SortedMap.prototype.isEmpty = function () {\r\n        return this.root_.isEmpty();\r\n    };\r\n    /**\r\n     * @return {number} The total number of nodes in the map.\r\n     */\r\n    SortedMap.prototype.count = function () {\r\n        return this.root_.count();\r\n    };\r\n    /**\r\n     * @return {?K} The minimum key in the map.\r\n     */\r\n    SortedMap.prototype.minKey = function () {\r\n        return this.root_.minKey();\r\n    };\r\n    /**\r\n     * @return {?K} The maximum key in the map.\r\n     */\r\n    SortedMap.prototype.maxKey = function () {\r\n        return this.root_.maxKey();\r\n    };\r\n    /**\r\n     * Traverses the map in key order and calls the specified action function\r\n     * for each key/value pair.\r\n     *\r\n     * @param {function(!K, !V):*} action Callback function to be called\r\n     * for each key/value pair.  If action returns true, traversal is aborted.\r\n     * @return {*} The first truthy value returned by action, or the last falsey\r\n     *   value returned by action\r\n     */\r\n    SortedMap.prototype.inorderTraversal = function (action) {\r\n        return this.root_.inorderTraversal(action);\r\n    };\r\n    /**\r\n     * Traverses the map in reverse key order and calls the specified action function\r\n     * for each key/value pair.\r\n     *\r\n     * @param {function(!Object, !Object)} action Callback function to be called\r\n     * for each key/value pair.  If action returns true, traversal is aborted.\r\n     * @return {*} True if the traversal was aborted.\r\n     */\r\n    SortedMap.prototype.reverseTraversal = function (action) {\r\n        return this.root_.reverseTraversal(action);\r\n    };\r\n    /**\r\n     * Returns an iterator over the SortedMap.\r\n     * @template T\r\n     * @param {(function(K, V):T)=} resultGenerator\r\n     * @return {SortedMapIterator.<K, V, T>} The iterator.\r\n     */\r\n    SortedMap.prototype.getIterator = function (resultGenerator) {\r\n        return new SortedMapIterator(this.root_, null, this.comparator_, false, resultGenerator);\r\n    };\r\n    SortedMap.prototype.getIteratorFrom = function (key, resultGenerator) {\r\n        return new SortedMapIterator(this.root_, key, this.comparator_, false, resultGenerator);\r\n    };\r\n    SortedMap.prototype.getReverseIteratorFrom = function (key, resultGenerator) {\r\n        return new SortedMapIterator(this.root_, key, this.comparator_, true, resultGenerator);\r\n    };\r\n    SortedMap.prototype.getReverseIterator = function (resultGenerator) {\r\n        return new SortedMapIterator(this.root_, null, this.comparator_, true, resultGenerator);\r\n    };\r\n    /**\r\n     * Always use the same empty node, to reduce memory.\r\n     * @const\r\n     */\r\n    SortedMap.EMPTY_NODE = new LLRBEmptyNode();\r\n    return SortedMap;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nvar LOG_2 = Math.log(2);\r\n/**\r\n * @constructor\r\n */\r\nvar Base12Num = /** @class */ (function () {\r\n    /**\r\n     * @param {number} length\r\n     */\r\n    function Base12Num(length) {\r\n        var logBase2 = function (num) {\r\n            // eslint-disable-next-line @typescript-eslint/no-explicit-any\r\n            return parseInt((Math.log(num) / LOG_2), 10);\r\n        };\r\n        var bitMask = function (bits) { return parseInt(Array(bits + 1).join('1'), 2); };\r\n        this.count = logBase2(length + 1);\r\n        this.current_ = this.count - 1;\r\n        var mask = bitMask(this.count);\r\n        this.bits_ = (length + 1) & mask;\r\n    }\r\n    /**\r\n     * @return {boolean}\r\n     */\r\n    Base12Num.prototype.nextBitIsOne = function () {\r\n        //noinspection JSBitwiseOperatorUsage\r\n        var result = !(this.bits_ & (0x1 << this.current_));\r\n        this.current_--;\r\n        return result;\r\n    };\r\n    return Base12Num;\r\n}());\r\n/**\r\n * Takes a list of child nodes and constructs a SortedSet using the given comparison\r\n * function\r\n *\r\n * Uses the algorithm described in the paper linked here:\r\n * http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.46.1458\r\n *\r\n * @template K, V\r\n * @param {Array.<!NamedNode>} childList Unsorted list of children\r\n * @param {function(!NamedNode, !NamedNode):number} cmp The comparison method to be used\r\n * @param {(function(NamedNode):K)=} keyFn An optional function to extract K from a node wrapper, if K's\r\n *                                                        type is not NamedNode\r\n * @param {(function(K, K):number)=} mapSortFn An optional override for comparator used by the generated sorted map\r\n * @return {SortedMap.<K, V>}\r\n */\r\nvar buildChildSet = function (childList, cmp, keyFn, mapSortFn) {\r\n    childList.sort(cmp);\r\n    var buildBalancedTree = function (low, high) {\r\n        var length = high - low;\r\n        var namedNode;\r\n        var key;\r\n        if (length === 0) {\r\n            return null;\r\n        }\r\n        else if (length === 1) {\r\n            namedNode = childList[low];\r\n            key = keyFn ? keyFn(namedNode) : namedNode;\r\n            return new LLRBNode(key, namedNode.node, LLRBNode.BLACK, null, null);\r\n        }\r\n        else {\r\n            // eslint-disable-next-line @typescript-eslint/no-explicit-any\r\n            var middle = parseInt((length / 2), 10) + low;\r\n            var left = buildBalancedTree(low, middle);\r\n            var right = buildBalancedTree(middle + 1, high);\r\n            namedNode = childList[middle];\r\n            key = keyFn ? keyFn(namedNode) : namedNode;\r\n            return new LLRBNode(key, namedNode.node, LLRBNode.BLACK, left, right);\r\n        }\r\n    };\r\n    var buildFrom12Array = function (base12) {\r\n        var node = null;\r\n        var root = null;\r\n        var index = childList.length;\r\n        var buildPennant = function (chunkSize, color) {\r\n            var low = index - chunkSize;\r\n            var high = index;\r\n            index -= chunkSize;\r\n            var childTree = buildBalancedTree(low + 1, high);\r\n            var namedNode = childList[low];\r\n            var key = keyFn ? keyFn(namedNode) : namedNode;\r\n            attachPennant(new LLRBNode(key, namedNode.node, color, null, childTree));\r\n        };\r\n        var attachPennant = function (pennant) {\r\n            if (node) {\r\n                node.left = pennant;\r\n                node = pennant;\r\n            }\r\n            else {\r\n                root = pennant;\r\n                node = pennant;\r\n            }\r\n        };\r\n        for (var i = 0; i < base12.count; ++i) {\r\n            var isOne = base12.nextBitIsOne();\r\n            // The number of nodes taken in each slice is 2^(arr.length - (i + 1))\r\n            var chunkSize = Math.pow(2, base12.count - (i + 1));\r\n            if (isOne) {\r\n                buildPennant(chunkSize, LLRBNode.BLACK);\r\n            }\r\n            else {\r\n                // current == 2\r\n                buildPennant(chunkSize, LLRBNode.BLACK);\r\n                buildPennant(chunkSize, LLRBNode.RED);\r\n            }\r\n        }\r\n        return root;\r\n    };\r\n    var base12 = new Base12Num(childList.length);\r\n    var root = buildFrom12Array(base12);\r\n    // eslint-disable-next-line @typescript-eslint/no-explicit-any\r\n    return new SortedMap(mapSortFn || cmp, root);\r\n};\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nvar _defaultIndexMap;\r\nvar fallbackObject = {};\r\nvar IndexMap = /** @class */ (function () {\r\n    function IndexMap(indexes_, indexSet_) {\r\n        this.indexes_ = indexes_;\r\n        this.indexSet_ = indexSet_;\r\n    }\r\n    Object.defineProperty(IndexMap, \"Default\", {\r\n        /**\r\n         * The default IndexMap for nodes without a priority\r\n         */\r\n        get: function () {\r\n            util.assert(fallbackObject && PRIORITY_INDEX, 'ChildrenNode.ts has not been loaded');\r\n            _defaultIndexMap =\r\n                _defaultIndexMap ||\r\n                    new IndexMap({ '.priority': fallbackObject }, { '.priority': PRIORITY_INDEX });\r\n            return _defaultIndexMap;\r\n        },\r\n        enumerable: false,\r\n        configurable: true\r\n    });\r\n    IndexMap.prototype.get = function (indexKey) {\r\n        var sortedMap = util.safeGet(this.indexes_, indexKey);\r\n        if (!sortedMap) {\r\n            throw new Error('No index defined for ' + indexKey);\r\n        }\r\n        if (sortedMap instanceof SortedMap) {\r\n            return sortedMap;\r\n        }\r\n        else {\r\n            // The index exists, but it falls back to just name comparison. Return null so that the calling code uses the\r\n            // regular child map\r\n            return null;\r\n        }\r\n    };\r\n    IndexMap.prototype.hasIndex = function (indexDefinition) {\r\n        return util.contains(this.indexSet_, indexDefinition.toString());\r\n    };\r\n    IndexMap.prototype.addIndex = function (indexDefinition, existingChildren) {\r\n        util.assert(indexDefinition !== KEY_INDEX, \"KeyIndex always exists and isn't meant to be added to the IndexMap.\");\r\n        var childList = [];\r\n        var sawIndexedValue = false;\r\n        var iter = existingChildren.getIterator(NamedNode.Wrap);\r\n        var next = iter.getNext();\r\n        while (next) {\r\n            sawIndexedValue =\r\n                sawIndexedValue || indexDefinition.isDefinedOn(next.node);\r\n            childList.push(next);\r\n            next = iter.getNext();\r\n        }\r\n        var newIndex;\r\n        if (sawIndexedValue) {\r\n            newIndex = buildChildSet(childList, indexDefinition.getCompare());\r\n        }\r\n        else {\r\n            newIndex = fallbackObject;\r\n        }\r\n        var indexName = indexDefinition.toString();\r\n        var newIndexSet = tslib.__assign({}, this.indexSet_);\r\n        newIndexSet[indexName] = indexDefinition;\r\n        var newIndexes = tslib.__assign({}, this.indexes_);\r\n        newIndexes[indexName] = newIndex;\r\n        return new IndexMap(newIndexes, newIndexSet);\r\n    };\r\n    /**\r\n     * Ensure that this node is properly tracked in any indexes that we're maintaining\r\n     */\r\n    IndexMap.prototype.addToIndexes = function (namedNode, existingChildren) {\r\n        var _this = this;\r\n        var newIndexes = util.map(this.indexes_, function (indexedChildren, indexName) {\r\n            var index = util.safeGet(_this.indexSet_, indexName);\r\n            util.assert(index, 'Missing index implementation for ' + indexName);\r\n            if (indexedChildren === fallbackObject) {\r\n                // Check to see if we need to index everything\r\n                if (index.isDefinedOn(namedNode.node)) {\r\n                    // We need to build this index\r\n                    var childList = [];\r\n                    var iter = existingChildren.getIterator(NamedNode.Wrap);\r\n                    var next = iter.getNext();\r\n                    while (next) {\r\n                        if (next.name !== namedNode.name) {\r\n                            childList.push(next);\r\n                        }\r\n                        next = iter.getNext();\r\n                    }\r\n                    childList.push(namedNode);\r\n                    return buildChildSet(childList, index.getCompare());\r\n                }\r\n                else {\r\n                    // No change, this remains a fallback\r\n                    return fallbackObject;\r\n                }\r\n            }\r\n            else {\r\n                var existingSnap = existingChildren.get(namedNode.name);\r\n                var newChildren = indexedChildren;\r\n                if (existingSnap) {\r\n                    newChildren = newChildren.remove(new NamedNode(namedNode.name, existingSnap));\r\n                }\r\n                return newChildren.insert(namedNode, namedNode.node);\r\n            }\r\n        });\r\n        return new IndexMap(newIndexes, this.indexSet_);\r\n    };\r\n    /**\r\n     * Create a new IndexMap instance with the given value removed\r\n     */\r\n    IndexMap.prototype.removeFromIndexes = function (namedNode, existingChildren) {\r\n        var newIndexes = util.map(this.indexes_, function (indexedChildren) {\r\n            if (indexedChildren === fallbackObject) {\r\n                // This is the fallback. Just return it, nothing to do in this case\r\n                return indexedChildren;\r\n            }\r\n            else {\r\n                var existingSnap = existingChildren.get(namedNode.name);\r\n                if (existingSnap) {\r\n                    return indexedChildren.remove(new NamedNode(namedNode.name, existingSnap));\r\n                }\r\n                else {\r\n                    // No record of this child\r\n                    return indexedChildren;\r\n                }\r\n            }\r\n        });\r\n        return new IndexMap(newIndexes, this.indexSet_);\r\n    };\r\n    return IndexMap;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nfunction NAME_ONLY_COMPARATOR(left, right) {\r\n    return nameCompare(left.name, right.name);\r\n}\r\nfunction NAME_COMPARATOR(left, right) {\r\n    return nameCompare(left, right);\r\n}\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n// TODO: For memory savings, don't store priorityNode_ if it's empty.\r\nvar EMPTY_NODE;\r\n/**\r\n * ChildrenNode is a class for storing internal nodes in a DataSnapshot\r\n * (i.e. nodes with children).  It implements Node and stores the\r\n * list of children in the children property, sorted by child name.\r\n *\r\n * @constructor\r\n * @implements {Node}\r\n */\r\nvar ChildrenNode = /** @class */ (function () {\r\n    /**\r\n     *\r\n     * @param {!SortedMap.<string, !Node>} children_ List of children\r\n     * of this node..\r\n     * @param {?Node} priorityNode_ The priority of this node (as a snapshot node).\r\n     * @param {!IndexMap} indexMap_\r\n     */\r\n    function ChildrenNode(children_, priorityNode_, indexMap_) {\r\n        this.children_ = children_;\r\n        this.priorityNode_ = priorityNode_;\r\n        this.indexMap_ = indexMap_;\r\n        this.lazyHash_ = null;\r\n        /**\r\n         * Note: The only reason we allow null priority is for EMPTY_NODE, since we can't use\r\n         * EMPTY_NODE as the priority of EMPTY_NODE.  We might want to consider making EMPTY_NODE its own\r\n         * class instead of an empty ChildrenNode.\r\n         */\r\n        if (this.priorityNode_) {\r\n            validatePriorityNode(this.priorityNode_);\r\n        }\r\n        if (this.children_.isEmpty()) {\r\n            util.assert(!this.priorityNode_ || this.priorityNode_.isEmpty(), 'An empty node cannot have a priority');\r\n        }\r\n    }\r\n    Object.defineProperty(ChildrenNode, \"EMPTY_NODE\", {\r\n        get: function () {\r\n            return (EMPTY_NODE ||\r\n                (EMPTY_NODE = new ChildrenNode(new SortedMap(NAME_COMPARATOR), null, IndexMap.Default)));\r\n        },\r\n        enumerable: false,\r\n        configurable: true\r\n    });\r\n    /** @inheritDoc */\r\n    ChildrenNode.prototype.isLeafNode = function () {\r\n        return false;\r\n    };\r\n    /** @inheritDoc */\r\n    ChildrenNode.prototype.getPriority = function () {\r\n        return this.priorityNode_ || EMPTY_NODE;\r\n    };\r\n    /** @inheritDoc */\r\n    ChildrenNode.prototype.updatePriority = function (newPriorityNode) {\r\n        if (this.children_.isEmpty()) {\r\n            // Don't allow priorities on empty nodes\r\n            return this;\r\n        }\r\n        else {\r\n            return new ChildrenNode(this.children_, newPriorityNode, this.indexMap_);\r\n        }\r\n    };\r\n    /** @inheritDoc */\r\n    ChildrenNode.prototype.getImmediateChild = function (childName) {\r\n        // Hack to treat priority as a regular child\r\n        if (childName === '.priority') {\r\n            return this.getPriority();\r\n        }\r\n        else {\r\n            var child = this.children_.get(childName);\r\n            return child === null ? EMPTY_NODE : child;\r\n        }\r\n    };\r\n    /** @inheritDoc */\r\n    ChildrenNode.prototype.getChild = function (path) {\r\n        var front = path.getFront();\r\n        if (front === null) {\r\n            return this;\r\n        }\r\n        return this.getImmediateChild(front).getChild(path.popFront());\r\n    };\r\n    /** @inheritDoc */\r\n    ChildrenNode.prototype.hasChild = function (childName) {\r\n        return this.children_.get(childName) !== null;\r\n    };\r\n    /** @inheritDoc */\r\n    ChildrenNode.prototype.updateImmediateChild = function (childName, newChildNode) {\r\n        util.assert(newChildNode, 'We should always be passing snapshot nodes');\r\n        if (childName === '.priority') {\r\n            return this.updatePriority(newChildNode);\r\n        }\r\n        else {\r\n            var namedNode = new NamedNode(childName, newChildNode);\r\n            var newChildren = void 0, newIndexMap = void 0;\r\n            if (newChildNode.isEmpty()) {\r\n                newChildren = this.children_.remove(childName);\r\n                newIndexMap = this.indexMap_.removeFromIndexes(namedNode, this.children_);\r\n            }\r\n            else {\r\n                newChildren = this.children_.insert(childName, newChildNode);\r\n                newIndexMap = this.indexMap_.addToIndexes(namedNode, this.children_);\r\n            }\r\n            var newPriority = newChildren.isEmpty()\r\n                ? EMPTY_NODE\r\n                : this.priorityNode_;\r\n            return new ChildrenNode(newChildren, newPriority, newIndexMap);\r\n        }\r\n    };\r\n    /** @inheritDoc */\r\n    ChildrenNode.prototype.updateChild = function (path, newChildNode) {\r\n        var front = path.getFront();\r\n        if (front === null) {\r\n            return newChildNode;\r\n        }\r\n        else {\r\n            util.assert(path.getFront() !== '.priority' || path.getLength() === 1, '.priority must be the last token in a path');\r\n            var newImmediateChild = this.getImmediateChild(front).updateChild(path.popFront(), newChildNode);\r\n            return this.updateImmediateChild(front, newImmediateChild);\r\n        }\r\n    };\r\n    /** @inheritDoc */\r\n    ChildrenNode.prototype.isEmpty = function () {\r\n        return this.children_.isEmpty();\r\n    };\r\n    /** @inheritDoc */\r\n    ChildrenNode.prototype.numChildren = function () {\r\n        return this.children_.count();\r\n    };\r\n    /** @inheritDoc */\r\n    ChildrenNode.prototype.val = function (exportFormat) {\r\n        if (this.isEmpty()) {\r\n            return null;\r\n        }\r\n        var obj = {};\r\n        var numKeys = 0, maxKey = 0, allIntegerKeys = true;\r\n        this.forEachChild(PRIORITY_INDEX, function (key, childNode) {\r\n            obj[key] = childNode.val(exportFormat);\r\n            numKeys++;\r\n            if (allIntegerKeys && ChildrenNode.INTEGER_REGEXP_.test(key)) {\r\n                maxKey = Math.max(maxKey, Number(key));\r\n            }\r\n            else {\r\n                allIntegerKeys = false;\r\n            }\r\n        });\r\n        if (!exportFormat && allIntegerKeys && maxKey < 2 * numKeys) {\r\n            // convert to array.\r\n            var array = [];\r\n            // eslint-disable-next-line guard-for-in\r\n            for (var key in obj) {\r\n                array[key] = obj[key];\r\n            }\r\n            return array;\r\n        }\r\n        else {\r\n            if (exportFormat && !this.getPriority().isEmpty()) {\r\n                obj['.priority'] = this.getPriority().val();\r\n            }\r\n            return obj;\r\n        }\r\n    };\r\n    /** @inheritDoc */\r\n    ChildrenNode.prototype.hash = function () {\r\n        if (this.lazyHash_ === null) {\r\n            var toHash_1 = '';\r\n            if (!this.getPriority().isEmpty()) {\r\n                toHash_1 +=\r\n                    'priority:' +\r\n                        priorityHashText(this.getPriority().val()) +\r\n                        ':';\r\n            }\r\n            this.forEachChild(PRIORITY_INDEX, function (key, childNode) {\r\n                var childHash = childNode.hash();\r\n                if (childHash !== '') {\r\n                    toHash_1 += ':' + key + ':' + childHash;\r\n                }\r\n            });\r\n            this.lazyHash_ = toHash_1 === '' ? '' : sha1(toHash_1);\r\n        }\r\n        return this.lazyHash_;\r\n    };\r\n    /** @inheritDoc */\r\n    ChildrenNode.prototype.getPredecessorChildName = function (childName, childNode, index) {\r\n        var idx = this.resolveIndex_(index);\r\n        if (idx) {\r\n            var predecessor = idx.getPredecessorKey(new NamedNode(childName, childNode));\r\n            return predecessor ? predecessor.name : null;\r\n        }\r\n        else {\r\n            return this.children_.getPredecessorKey(childName);\r\n        }\r\n    };\r\n    /**\r\n     * @param {!Index} indexDefinition\r\n     * @return {?string}\r\n     */\r\n    ChildrenNode.prototype.getFirstChildName = function (indexDefinition) {\r\n        var idx = this.resolveIndex_(indexDefinition);\r\n        if (idx) {\r\n            var minKey = idx.minKey();\r\n            return minKey && minKey.name;\r\n        }\r\n        else {\r\n            return this.children_.minKey();\r\n        }\r\n    };\r\n    /**\r\n     * @param {!Index} indexDefinition\r\n     * @return {?NamedNode}\r\n     */\r\n    ChildrenNode.prototype.getFirstChild = function (indexDefinition) {\r\n        var minKey = this.getFirstChildName(indexDefinition);\r\n        if (minKey) {\r\n            return new NamedNode(minKey, this.children_.get(minKey));\r\n        }\r\n        else {\r\n            return null;\r\n        }\r\n    };\r\n    /**\r\n     * Given an index, return the key name of the largest value we have, according to that index\r\n     * @param {!Index} indexDefinition\r\n     * @return {?string}\r\n     */\r\n    ChildrenNode.prototype.getLastChildName = function (indexDefinition) {\r\n        var idx = this.resolveIndex_(indexDefinition);\r\n        if (idx) {\r\n            var maxKey = idx.maxKey();\r\n            return maxKey && maxKey.name;\r\n        }\r\n        else {\r\n            return this.children_.maxKey();\r\n        }\r\n    };\r\n    /**\r\n     * @param {!Index} indexDefinition\r\n     * @return {?NamedNode}\r\n     */\r\n    ChildrenNode.prototype.getLastChild = function (indexDefinition) {\r\n        var maxKey = this.getLastChildName(indexDefinition);\r\n        if (maxKey) {\r\n            return new NamedNode(maxKey, this.children_.get(maxKey));\r\n        }\r\n        else {\r\n            return null;\r\n        }\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    ChildrenNode.prototype.forEachChild = function (index, action) {\r\n        var idx = this.resolveIndex_(index);\r\n        if (idx) {\r\n            return idx.inorderTraversal(function (wrappedNode) {\r\n                return action(wrappedNode.name, wrappedNode.node);\r\n            });\r\n        }\r\n        else {\r\n            return this.children_.inorderTraversal(action);\r\n        }\r\n    };\r\n    /**\r\n     * @param {!Index} indexDefinition\r\n     * @return {SortedMapIterator}\r\n     */\r\n    ChildrenNode.prototype.getIterator = function (indexDefinition) {\r\n        return this.getIteratorFrom(indexDefinition.minPost(), indexDefinition);\r\n    };\r\n    /**\r\n     *\r\n     * @param {!NamedNode} startPost\r\n     * @param {!Index} indexDefinition\r\n     * @return {!SortedMapIterator}\r\n     */\r\n    ChildrenNode.prototype.getIteratorFrom = function (startPost, indexDefinition) {\r\n        var idx = this.resolveIndex_(indexDefinition);\r\n        if (idx) {\r\n            return idx.getIteratorFrom(startPost, function (key) { return key; });\r\n        }\r\n        else {\r\n            var iterator = this.children_.getIteratorFrom(startPost.name, NamedNode.Wrap);\r\n            var next = iterator.peek();\r\n            while (next != null && indexDefinition.compare(next, startPost) < 0) {\r\n                iterator.getNext();\r\n                next = iterator.peek();\r\n            }\r\n            return iterator;\r\n        }\r\n    };\r\n    /**\r\n     * @param {!Index} indexDefinition\r\n     * @return {!SortedMapIterator}\r\n     */\r\n    ChildrenNode.prototype.getReverseIterator = function (indexDefinition) {\r\n        return this.getReverseIteratorFrom(indexDefinition.maxPost(), indexDefinition);\r\n    };\r\n    /**\r\n     * @param {!NamedNode} endPost\r\n     * @param {!Index} indexDefinition\r\n     * @return {!SortedMapIterator}\r\n     */\r\n    ChildrenNode.prototype.getReverseIteratorFrom = function (endPost, indexDefinition) {\r\n        var idx = this.resolveIndex_(indexDefinition);\r\n        if (idx) {\r\n            return idx.getReverseIteratorFrom(endPost, function (key) {\r\n                return key;\r\n            });\r\n        }\r\n        else {\r\n            var iterator = this.children_.getReverseIteratorFrom(endPost.name, NamedNode.Wrap);\r\n            var next = iterator.peek();\r\n            while (next != null && indexDefinition.compare(next, endPost) > 0) {\r\n                iterator.getNext();\r\n                next = iterator.peek();\r\n            }\r\n            return iterator;\r\n        }\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    ChildrenNode.prototype.compareTo = function (other) {\r\n        if (this.isEmpty()) {\r\n            if (other.isEmpty()) {\r\n                return 0;\r\n            }\r\n            else {\r\n                return -1;\r\n            }\r\n        }\r\n        else if (other.isLeafNode() || other.isEmpty()) {\r\n            return 1;\r\n        }\r\n        else if (other === MAX_NODE$2) {\r\n            return -1;\r\n        }\r\n        else {\r\n            // Must be another node with children.\r\n            return 0;\r\n        }\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    ChildrenNode.prototype.withIndex = function (indexDefinition) {\r\n        if (indexDefinition === KEY_INDEX ||\r\n            this.indexMap_.hasIndex(indexDefinition)) {\r\n            return this;\r\n        }\r\n        else {\r\n            var newIndexMap = this.indexMap_.addIndex(indexDefinition, this.children_);\r\n            return new ChildrenNode(this.children_, this.priorityNode_, newIndexMap);\r\n        }\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    ChildrenNode.prototype.isIndexed = function (index) {\r\n        return index === KEY_INDEX || this.indexMap_.hasIndex(index);\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    ChildrenNode.prototype.equals = function (other) {\r\n        if (other === this) {\r\n            return true;\r\n        }\r\n        else if (other.isLeafNode()) {\r\n            return false;\r\n        }\r\n        else {\r\n            var otherChildrenNode = other;\r\n            if (!this.getPriority().equals(otherChildrenNode.getPriority())) {\r\n                return false;\r\n            }\r\n            else if (this.children_.count() === otherChildrenNode.children_.count()) {\r\n                var thisIter = this.getIterator(PRIORITY_INDEX);\r\n                var otherIter = otherChildrenNode.getIterator(PRIORITY_INDEX);\r\n                var thisCurrent = thisIter.getNext();\r\n                var otherCurrent = otherIter.getNext();\r\n                while (thisCurrent && otherCurrent) {\r\n                    if (thisCurrent.name !== otherCurrent.name ||\r\n                        !thisCurrent.node.equals(otherCurrent.node)) {\r\n                        return false;\r\n                    }\r\n                    thisCurrent = thisIter.getNext();\r\n                    otherCurrent = otherIter.getNext();\r\n                }\r\n                return thisCurrent === null && otherCurrent === null;\r\n            }\r\n            else {\r\n                return false;\r\n            }\r\n        }\r\n    };\r\n    /**\r\n     * Returns a SortedMap ordered by index, or null if the default (by-key) ordering can be used\r\n     * instead.\r\n     *\r\n     * @private\r\n     * @param {!Index} indexDefinition\r\n     * @return {?SortedMap.<NamedNode, Node>}\r\n     */\r\n    ChildrenNode.prototype.resolveIndex_ = function (indexDefinition) {\r\n        if (indexDefinition === KEY_INDEX) {\r\n            return null;\r\n        }\r\n        else {\r\n            return this.indexMap_.get(indexDefinition.toString());\r\n        }\r\n    };\r\n    /**\r\n     * @private\r\n     * @type {RegExp}\r\n     */\r\n    ChildrenNode.INTEGER_REGEXP_ = /^(0|[1-9]\\d*)$/;\r\n    return ChildrenNode;\r\n}());\r\n/**\r\n * @constructor\r\n * @extends {ChildrenNode}\r\n * @private\r\n */\r\nvar MaxNode = /** @class */ (function (_super) {\r\n    tslib.__extends(MaxNode, _super);\r\n    function MaxNode() {\r\n        return _super.call(this, new SortedMap(NAME_COMPARATOR), ChildrenNode.EMPTY_NODE, IndexMap.Default) || this;\r\n    }\r\n    MaxNode.prototype.compareTo = function (other) {\r\n        if (other === this) {\r\n            return 0;\r\n        }\r\n        else {\r\n            return 1;\r\n        }\r\n    };\r\n    MaxNode.prototype.equals = function (other) {\r\n        // Not that we every compare it, but MAX_NODE is only ever equal to itself\r\n        return other === this;\r\n    };\r\n    MaxNode.prototype.getPriority = function () {\r\n        return this;\r\n    };\r\n    MaxNode.prototype.getImmediateChild = function (childName) {\r\n        return ChildrenNode.EMPTY_NODE;\r\n    };\r\n    MaxNode.prototype.isEmpty = function () {\r\n        return false;\r\n    };\r\n    return MaxNode;\r\n}(ChildrenNode));\r\n/**\r\n * Marker that will sort higher than any other snapshot.\r\n * @type {!MAX_NODE}\r\n * @const\r\n */\r\nvar MAX_NODE$2 = new MaxNode();\r\nObject.defineProperties(NamedNode, {\r\n    MIN: {\r\n        value: new NamedNode(MIN_NAME, ChildrenNode.EMPTY_NODE)\r\n    },\r\n    MAX: {\r\n        value: new NamedNode(MAX_NAME, MAX_NODE$2)\r\n    }\r\n});\r\n/**\r\n * Reference Extensions\r\n */\r\nKeyIndex.__EMPTY_NODE = ChildrenNode.EMPTY_NODE;\r\nLeafNode.__childrenNodeConstructor = ChildrenNode;\r\nsetMaxNode(MAX_NODE$2);\r\nsetMaxNode$1(MAX_NODE$2);\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nvar USE_HINZE = true;\r\n/**\r\n * Constructs a snapshot node representing the passed JSON and returns it.\r\n * @param {*} json JSON to create a node for.\r\n * @param {?string|?number=} priority Optional priority to use.  This will be ignored if the\r\n * passed JSON contains a .priority property.\r\n * @return {!Node}\r\n */\r\nfunction nodeFromJSON$1(json, priority) {\r\n    if (priority === void 0) { priority = null; }\r\n    if (json === null) {\r\n        return ChildrenNode.EMPTY_NODE;\r\n    }\r\n    if (typeof json === 'object' && '.priority' in json) {\r\n        priority = json['.priority'];\r\n    }\r\n    util.assert(priority === null ||\r\n        typeof priority === 'string' ||\r\n        typeof priority === 'number' ||\r\n        (typeof priority === 'object' && '.sv' in priority), 'Invalid priority type found: ' + typeof priority);\r\n    if (typeof json === 'object' && '.value' in json && json['.value'] !== null) {\r\n        json = json['.value'];\r\n    }\r\n    // Valid leaf nodes include non-objects or server-value wrapper objects\r\n    if (typeof json !== 'object' || '.sv' in json) {\r\n        var jsonLeaf = json;\r\n        return new LeafNode(jsonLeaf, nodeFromJSON$1(priority));\r\n    }\r\n    if (!(json instanceof Array) && USE_HINZE) {\r\n        var children_1 = [];\r\n        var childrenHavePriority_1 = false;\r\n        var hinzeJsonObj = json;\r\n        each(hinzeJsonObj, function (key, child) {\r\n            if (key.substring(0, 1) !== '.') {\r\n                // Ignore metadata nodes\r\n                var childNode = nodeFromJSON$1(child);\r\n                if (!childNode.isEmpty()) {\r\n                    childrenHavePriority_1 =\r\n                        childrenHavePriority_1 || !childNode.getPriority().isEmpty();\r\n                    children_1.push(new NamedNode(key, childNode));\r\n                }\r\n            }\r\n        });\r\n        if (children_1.length === 0) {\r\n            return ChildrenNode.EMPTY_NODE;\r\n        }\r\n        var childSet = buildChildSet(children_1, NAME_ONLY_COMPARATOR, function (namedNode) { return namedNode.name; }, NAME_COMPARATOR);\r\n        if (childrenHavePriority_1) {\r\n            var sortedChildSet = buildChildSet(children_1, PRIORITY_INDEX.getCompare());\r\n            return new ChildrenNode(childSet, nodeFromJSON$1(priority), new IndexMap({ '.priority': sortedChildSet }, { '.priority': PRIORITY_INDEX }));\r\n        }\r\n        else {\r\n            return new ChildrenNode(childSet, nodeFromJSON$1(priority), IndexMap.Default);\r\n        }\r\n    }\r\n    else {\r\n        var node_1 = ChildrenNode.EMPTY_NODE;\r\n        each(json, function (key, childData) {\r\n            if (util.contains(json, key)) {\r\n                if (key.substring(0, 1) !== '.') {\r\n                    // ignore metadata nodes.\r\n                    var childNode = nodeFromJSON$1(childData);\r\n                    if (childNode.isLeafNode() || !childNode.isEmpty()) {\r\n                        node_1 = node_1.updateImmediateChild(key, childNode);\r\n                    }\r\n                }\r\n            }\r\n        });\r\n        return node_1.updatePriority(nodeFromJSON$1(priority));\r\n    }\r\n}\r\nsetNodeFromJSON(nodeFromJSON$1);\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * @constructor\r\n * @extends {Index}\r\n * @private\r\n */\r\nvar ValueIndex = /** @class */ (function (_super) {\r\n    tslib.__extends(ValueIndex, _super);\r\n    function ValueIndex() {\r\n        return _super !== null && _super.apply(this, arguments) || this;\r\n    }\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    ValueIndex.prototype.compare = function (a, b) {\r\n        var indexCmp = a.node.compareTo(b.node);\r\n        if (indexCmp === 0) {\r\n            return nameCompare(a.name, b.name);\r\n        }\r\n        else {\r\n            return indexCmp;\r\n        }\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    ValueIndex.prototype.isDefinedOn = function (node) {\r\n        return true;\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    ValueIndex.prototype.indexedValueChanged = function (oldNode, newNode) {\r\n        return !oldNode.equals(newNode);\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    ValueIndex.prototype.minPost = function () {\r\n        // eslint-disable-next-line @typescript-eslint/no-explicit-any\r\n        return NamedNode.MIN;\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    ValueIndex.prototype.maxPost = function () {\r\n        // eslint-disable-next-line @typescript-eslint/no-explicit-any\r\n        return NamedNode.MAX;\r\n    };\r\n    /**\r\n     * @param {*} indexValue\r\n     * @param {string} name\r\n     * @return {!NamedNode}\r\n     */\r\n    ValueIndex.prototype.makePost = function (indexValue, name) {\r\n        var valueNode = nodeFromJSON$1(indexValue);\r\n        return new NamedNode(name, valueNode);\r\n    };\r\n    /**\r\n     * @return {!string} String representation for inclusion in a query spec\r\n     */\r\n    ValueIndex.prototype.toString = function () {\r\n        return '.value';\r\n    };\r\n    return ValueIndex;\r\n}(Index));\r\nvar VALUE_INDEX = new ValueIndex();\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * @param {!Path} indexPath\r\n * @constructor\r\n * @extends {Index}\r\n */\r\nvar PathIndex = /** @class */ (function (_super) {\r\n    tslib.__extends(PathIndex, _super);\r\n    function PathIndex(indexPath_) {\r\n        var _this = _super.call(this) || this;\r\n        _this.indexPath_ = indexPath_;\r\n        util.assert(!indexPath_.isEmpty() && indexPath_.getFront() !== '.priority', \"Can't create PathIndex with empty path or .priority key\");\r\n        return _this;\r\n    }\r\n    /**\r\n     * @param {!Node} snap\r\n     * @return {!Node}\r\n     * @protected\r\n     */\r\n    PathIndex.prototype.extractChild = function (snap) {\r\n        return snap.getChild(this.indexPath_);\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    PathIndex.prototype.isDefinedOn = function (node) {\r\n        return !node.getChild(this.indexPath_).isEmpty();\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    PathIndex.prototype.compare = function (a, b) {\r\n        var aChild = this.extractChild(a.node);\r\n        var bChild = this.extractChild(b.node);\r\n        var indexCmp = aChild.compareTo(bChild);\r\n        if (indexCmp === 0) {\r\n            return nameCompare(a.name, b.name);\r\n        }\r\n        else {\r\n            return indexCmp;\r\n        }\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    PathIndex.prototype.makePost = function (indexValue, name) {\r\n        var valueNode = nodeFromJSON$1(indexValue);\r\n        var node = ChildrenNode.EMPTY_NODE.updateChild(this.indexPath_, valueNode);\r\n        return new NamedNode(name, node);\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    PathIndex.prototype.maxPost = function () {\r\n        var node = ChildrenNode.EMPTY_NODE.updateChild(this.indexPath_, MAX_NODE$2);\r\n        return new NamedNode(MAX_NAME, node);\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    PathIndex.prototype.toString = function () {\r\n        return this.indexPath_.slice().join('/');\r\n    };\r\n    return PathIndex;\r\n}(Index));\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * Class representing a firebase data snapshot.  It wraps a SnapshotNode and\r\n * surfaces the public methods (val, forEach, etc.) we want to expose.\r\n */\r\nvar DataSnapshot = /** @class */ (function () {\r\n    /**\r\n     * @param {!Node} node_ A SnapshotNode to wrap.\r\n     * @param {!Reference} ref_ The ref of the location this snapshot came from.\r\n     * @param {!Index} index_ The iteration order for this snapshot\r\n     */\r\n    function DataSnapshot(node_, ref_, index_) {\r\n        this.node_ = node_;\r\n        this.ref_ = ref_;\r\n        this.index_ = index_;\r\n    }\r\n    /**\r\n     * Retrieves the snapshot contents as JSON.  Returns null if the snapshot is\r\n     * empty.\r\n     *\r\n     * @return {*} JSON representation of the DataSnapshot contents, or null if empty.\r\n     */\r\n    DataSnapshot.prototype.val = function () {\r\n        util.validateArgCount('DataSnapshot.val', 0, 0, arguments.length);\r\n        return this.node_.val();\r\n    };\r\n    /**\r\n     * Returns the snapshot contents as JSON, including priorities of node.  Suitable for exporting\r\n     * the entire node contents.\r\n     * @return {*} JSON representation of the DataSnapshot contents, or null if empty.\r\n     */\r\n    DataSnapshot.prototype.exportVal = function () {\r\n        util.validateArgCount('DataSnapshot.exportVal', 0, 0, arguments.length);\r\n        return this.node_.val(true);\r\n    };\r\n    // Do not create public documentation. This is intended to make JSON serialization work but is otherwise unnecessary\r\n    // for end-users\r\n    DataSnapshot.prototype.toJSON = function () {\r\n        // Optional spacer argument is unnecessary because we're depending on recursion rather than stringifying the content\r\n        util.validateArgCount('DataSnapshot.toJSON', 0, 1, arguments.length);\r\n        return this.exportVal();\r\n    };\r\n    /**\r\n     * Returns whether the snapshot contains a non-null value.\r\n     *\r\n     * @return {boolean} Whether the snapshot contains a non-null value, or is empty.\r\n     */\r\n    DataSnapshot.prototype.exists = function () {\r\n        util.validateArgCount('DataSnapshot.exists', 0, 0, arguments.length);\r\n        return !this.node_.isEmpty();\r\n    };\r\n    /**\r\n     * Returns a DataSnapshot of the specified child node's contents.\r\n     *\r\n     * @param {!string} childPathString Path to a child.\r\n     * @return {!DataSnapshot} DataSnapshot for child node.\r\n     */\r\n    DataSnapshot.prototype.child = function (childPathString) {\r\n        util.validateArgCount('DataSnapshot.child', 0, 1, arguments.length);\r\n        // Ensure the childPath is a string (can be a number)\r\n        childPathString = String(childPathString);\r\n        validatePathString('DataSnapshot.child', 1, childPathString, false);\r\n        var childPath = new Path(childPathString);\r\n        var childRef = this.ref_.child(childPath);\r\n        return new DataSnapshot(this.node_.getChild(childPath), childRef, PRIORITY_INDEX);\r\n    };\r\n    /**\r\n     * Returns whether the snapshot contains a child at the specified path.\r\n     *\r\n     * @param {!string} childPathString Path to a child.\r\n     * @return {boolean} Whether the child exists.\r\n     */\r\n    DataSnapshot.prototype.hasChild = function (childPathString) {\r\n        util.validateArgCount('DataSnapshot.hasChild', 1, 1, arguments.length);\r\n        validatePathString('DataSnapshot.hasChild', 1, childPathString, false);\r\n        var childPath = new Path(childPathString);\r\n        return !this.node_.getChild(childPath).isEmpty();\r\n    };\r\n    /**\r\n     * Returns the priority of the object, or null if no priority was set.\r\n     *\r\n     * @return {string|number|null} The priority.\r\n     */\r\n    DataSnapshot.prototype.getPriority = function () {\r\n        util.validateArgCount('DataSnapshot.getPriority', 0, 0, arguments.length);\r\n        // typecast here because we never return deferred values or internal priorities (MAX_PRIORITY)\r\n        return this.node_.getPriority().val();\r\n    };\r\n    /**\r\n     * Iterates through child nodes and calls the specified action for each one.\r\n     *\r\n     * @param {function(!DataSnapshot)} action Callback function to be called\r\n     * for each child.\r\n     * @return {boolean} True if forEach was canceled by action returning true for\r\n     * one of the child nodes.\r\n     */\r\n    DataSnapshot.prototype.forEach = function (action) {\r\n        var _this = this;\r\n        util.validateArgCount('DataSnapshot.forEach', 1, 1, arguments.length);\r\n        util.validateCallback('DataSnapshot.forEach', 1, action, false);\r\n        if (this.node_.isLeafNode()) {\r\n            return false;\r\n        }\r\n        var childrenNode = this.node_;\r\n        // Sanitize the return value to a boolean. ChildrenNode.forEachChild has a weird return type...\r\n        return !!childrenNode.forEachChild(this.index_, function (key, node) {\r\n            return action(new DataSnapshot(node, _this.ref_.child(key), PRIORITY_INDEX));\r\n        });\r\n    };\r\n    /**\r\n     * Returns whether this DataSnapshot has children.\r\n     * @return {boolean} True if the DataSnapshot contains 1 or more child nodes.\r\n     */\r\n    DataSnapshot.prototype.hasChildren = function () {\r\n        util.validateArgCount('DataSnapshot.hasChildren', 0, 0, arguments.length);\r\n        if (this.node_.isLeafNode()) {\r\n            return false;\r\n        }\r\n        else {\r\n            return !this.node_.isEmpty();\r\n        }\r\n    };\r\n    Object.defineProperty(DataSnapshot.prototype, \"key\", {\r\n        get: function () {\r\n            return this.ref_.getKey();\r\n        },\r\n        enumerable: false,\r\n        configurable: true\r\n    });\r\n    /**\r\n     * Returns the number of children for this DataSnapshot.\r\n     * @return {number} The number of children that this DataSnapshot contains.\r\n     */\r\n    DataSnapshot.prototype.numChildren = function () {\r\n        util.validateArgCount('DataSnapshot.numChildren', 0, 0, arguments.length);\r\n        return this.node_.numChildren();\r\n    };\r\n    /**\r\n     * @return {Reference} The Firebase reference for the location this snapshot's data came from.\r\n     */\r\n    DataSnapshot.prototype.getRef = function () {\r\n        util.validateArgCount('DataSnapshot.ref', 0, 0, arguments.length);\r\n        return this.ref_;\r\n    };\r\n    Object.defineProperty(DataSnapshot.prototype, \"ref\", {\r\n        get: function () {\r\n            return this.getRef();\r\n        },\r\n        enumerable: false,\r\n        configurable: true\r\n    });\r\n    return DataSnapshot;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * Encapsulates the data needed to raise an event\r\n * @implements {Event}\r\n */\r\nvar DataEvent = /** @class */ (function () {\r\n    /**\r\n     * @param {!string} eventType One of: value, child_added, child_changed, child_moved, child_removed\r\n     * @param {!EventRegistration} eventRegistration The function to call to with the event data. User provided\r\n     * @param {!DataSnapshot} snapshot The data backing the event\r\n     * @param {?string=} prevName Optional, the name of the previous child for child_* events.\r\n     */\r\n    function DataEvent(eventType, eventRegistration, snapshot, prevName) {\r\n        this.eventType = eventType;\r\n        this.eventRegistration = eventRegistration;\r\n        this.snapshot = snapshot;\r\n        this.prevName = prevName;\r\n    }\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    DataEvent.prototype.getPath = function () {\r\n        var ref = this.snapshot.getRef();\r\n        if (this.eventType === 'value') {\r\n            return ref.path;\r\n        }\r\n        else {\r\n            return ref.getParent().path;\r\n        }\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    DataEvent.prototype.getEventType = function () {\r\n        return this.eventType;\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    DataEvent.prototype.getEventRunner = function () {\r\n        return this.eventRegistration.getEventRunner(this);\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    DataEvent.prototype.toString = function () {\r\n        return (this.getPath().toString() +\r\n            ':' +\r\n            this.eventType +\r\n            ':' +\r\n            util.stringify(this.snapshot.exportVal()));\r\n    };\r\n    return DataEvent;\r\n}());\r\nvar CancelEvent = /** @class */ (function () {\r\n    /**\r\n     * @param {EventRegistration} eventRegistration\r\n     * @param {Error} error\r\n     * @param {!Path} path\r\n     */\r\n    function CancelEvent(eventRegistration, error, path) {\r\n        this.eventRegistration = eventRegistration;\r\n        this.error = error;\r\n        this.path = path;\r\n    }\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    CancelEvent.prototype.getPath = function () {\r\n        return this.path;\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    CancelEvent.prototype.getEventType = function () {\r\n        return 'cancel';\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    CancelEvent.prototype.getEventRunner = function () {\r\n        return this.eventRegistration.getEventRunner(this);\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    CancelEvent.prototype.toString = function () {\r\n        return this.path.toString() + ':cancel';\r\n    };\r\n    return CancelEvent;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * Represents registration for 'value' events.\r\n */\r\nvar ValueEventRegistration = /** @class */ (function () {\r\n    /**\r\n     * @param {?function(!DataSnapshot)} callback_\r\n     * @param {?function(Error)} cancelCallback_\r\n     * @param {?Object} context_\r\n     */\r\n    function ValueEventRegistration(callback_, cancelCallback_, context_) {\r\n        this.callback_ = callback_;\r\n        this.cancelCallback_ = cancelCallback_;\r\n        this.context_ = context_;\r\n    }\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    ValueEventRegistration.prototype.respondsTo = function (eventType) {\r\n        return eventType === 'value';\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    ValueEventRegistration.prototype.createEvent = function (change, query) {\r\n        var index = query.getQueryParams().getIndex();\r\n        return new DataEvent('value', this, new DataSnapshot(change.snapshotNode, query.getRef(), index));\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    ValueEventRegistration.prototype.getEventRunner = function (eventData) {\r\n        var ctx = this.context_;\r\n        if (eventData.getEventType() === 'cancel') {\r\n            util.assert(this.cancelCallback_, 'Raising a cancel event on a listener with no cancel callback');\r\n            var cancelCB_1 = this.cancelCallback_;\r\n            return function () {\r\n                // We know that error exists, we checked above that this is a cancel event\r\n                cancelCB_1.call(ctx, eventData.error);\r\n            };\r\n        }\r\n        else {\r\n            var cb_1 = this.callback_;\r\n            return function () {\r\n                cb_1.call(ctx, eventData.snapshot);\r\n            };\r\n        }\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    ValueEventRegistration.prototype.createCancelEvent = function (error, path) {\r\n        if (this.cancelCallback_) {\r\n            return new CancelEvent(this, error, path);\r\n        }\r\n        else {\r\n            return null;\r\n        }\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    ValueEventRegistration.prototype.matches = function (other) {\r\n        if (!(other instanceof ValueEventRegistration)) {\r\n            return false;\r\n        }\r\n        else if (!other.callback_ || !this.callback_) {\r\n            // If no callback specified, we consider it to match any callback.\r\n            return true;\r\n        }\r\n        else {\r\n            return (other.callback_ === this.callback_ && other.context_ === this.context_);\r\n        }\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    ValueEventRegistration.prototype.hasAnyCallback = function () {\r\n        return this.callback_ !== null;\r\n    };\r\n    return ValueEventRegistration;\r\n}());\r\n/**\r\n * Represents the registration of 1 or more child_xxx events.\r\n *\r\n * Currently, it is always exactly 1 child_xxx event, but the idea is we might let you\r\n * register a group of callbacks together in the future.\r\n *\r\n * @constructor\r\n * @implements {EventRegistration}\r\n */\r\nvar ChildEventRegistration = /** @class */ (function () {\r\n    /**\r\n     * @param {?Object.<string, function(!DataSnapshot, ?string=)>} callbacks_\r\n     * @param {?function(Error)} cancelCallback_\r\n     * @param {Object=} context_\r\n     */\r\n    function ChildEventRegistration(callbacks_, cancelCallback_, context_) {\r\n        this.callbacks_ = callbacks_;\r\n        this.cancelCallback_ = cancelCallback_;\r\n        this.context_ = context_;\r\n    }\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    ChildEventRegistration.prototype.respondsTo = function (eventType) {\r\n        var eventToCheck = eventType === 'children_added' ? 'child_added' : eventType;\r\n        eventToCheck =\r\n            eventToCheck === 'children_removed' ? 'child_removed' : eventToCheck;\r\n        return util.contains(this.callbacks_, eventToCheck);\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    ChildEventRegistration.prototype.createCancelEvent = function (error, path) {\r\n        if (this.cancelCallback_) {\r\n            return new CancelEvent(this, error, path);\r\n        }\r\n        else {\r\n            return null;\r\n        }\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    ChildEventRegistration.prototype.createEvent = function (change, query) {\r\n        util.assert(change.childName != null, 'Child events should have a childName.');\r\n        var ref = query.getRef().child(/** @type {!string} */ change.childName);\r\n        var index = query.getQueryParams().getIndex();\r\n        return new DataEvent(change.type, this, new DataSnapshot(change.snapshotNode, ref, index), change.prevName);\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    ChildEventRegistration.prototype.getEventRunner = function (eventData) {\r\n        var ctx = this.context_;\r\n        if (eventData.getEventType() === 'cancel') {\r\n            util.assert(this.cancelCallback_, 'Raising a cancel event on a listener with no cancel callback');\r\n            var cancelCB_2 = this.cancelCallback_;\r\n            return function () {\r\n                // We know that error exists, we checked above that this is a cancel event\r\n                cancelCB_2.call(ctx, eventData.error);\r\n            };\r\n        }\r\n        else {\r\n            var cb_2 = this.callbacks_[eventData.eventType];\r\n            return function () {\r\n                cb_2.call(ctx, eventData.snapshot, eventData.prevName);\r\n            };\r\n        }\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    ChildEventRegistration.prototype.matches = function (other) {\r\n        var _this = this;\r\n        if (other instanceof ChildEventRegistration) {\r\n            if (!this.callbacks_ || !other.callbacks_) {\r\n                return true;\r\n            }\r\n            else if (this.context_ === other.context_) {\r\n                var otherKeys = Object.keys(other.callbacks_);\r\n                var thisKeys = Object.keys(this.callbacks_);\r\n                var otherCount = otherKeys.length;\r\n                var thisCount = thisKeys.length;\r\n                if (otherCount === thisCount) {\r\n                    // If count is 1, do an exact match on eventType, if either is defined but null, it's a match.\r\n                    // If event types don't match, not a match\r\n                    // If count is not 1, exact match across all\r\n                    if (otherCount === 1) {\r\n                        var otherKey = otherKeys[0];\r\n                        var thisKey = thisKeys[0];\r\n                        return (thisKey === otherKey &&\r\n                            (!other.callbacks_[otherKey] ||\r\n                                !this.callbacks_[thisKey] ||\r\n                                other.callbacks_[otherKey] === this.callbacks_[thisKey]));\r\n                    }\r\n                    else {\r\n                        // Exact match on each key.\r\n                        return thisKeys.every(function (eventType) {\r\n                            return other.callbacks_[eventType] === _this.callbacks_[eventType];\r\n                        });\r\n                    }\r\n                }\r\n            }\r\n        }\r\n        return false;\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    ChildEventRegistration.prototype.hasAnyCallback = function () {\r\n        return this.callbacks_ !== null;\r\n    };\r\n    return ChildEventRegistration;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nvar __referenceConstructor;\r\n/**\r\n * A Query represents a filter to be applied to a firebase location.  This object purely represents the\r\n * query expression (and exposes our public API to build the query).  The actual query logic is in ViewBase.js.\r\n *\r\n * Since every Firebase reference is a query, Firebase inherits from this object.\r\n */\r\nvar Query = /** @class */ (function () {\r\n    function Query(repo, path, queryParams_, orderByCalled_) {\r\n        this.repo = repo;\r\n        this.path = path;\r\n        this.queryParams_ = queryParams_;\r\n        this.orderByCalled_ = orderByCalled_;\r\n    }\r\n    Object.defineProperty(Query, \"__referenceConstructor\", {\r\n        get: function () {\r\n            util.assert(__referenceConstructor, 'Reference.ts has not been loaded');\r\n            return __referenceConstructor;\r\n        },\r\n        set: function (val) {\r\n            __referenceConstructor = val;\r\n        },\r\n        enumerable: false,\r\n        configurable: true\r\n    });\r\n    /**\r\n     * Validates start/end values for queries.\r\n     * @param {!QueryParams} params\r\n     * @private\r\n     */\r\n    Query.validateQueryEndpoints_ = function (params) {\r\n        var startNode = null;\r\n        var endNode = null;\r\n        if (params.hasStart()) {\r\n            startNode = params.getIndexStartValue();\r\n        }\r\n        if (params.hasEnd()) {\r\n            endNode = params.getIndexEndValue();\r\n        }\r\n        if (params.getIndex() === KEY_INDEX) {\r\n            var tooManyArgsError = 'Query: When ordering by key, you may only pass one argument to ' +\r\n                'startAt(), endAt(), or equalTo().';\r\n            var wrongArgTypeError = 'Query: When ordering by key, the argument passed to startAt(), endAt(),' +\r\n                'or equalTo() must be a string.';\r\n            if (params.hasStart()) {\r\n                var startName = params.getIndexStartName();\r\n                if (startName !== MIN_NAME) {\r\n                    throw new Error(tooManyArgsError);\r\n                }\r\n                else if (typeof startNode !== 'string') {\r\n                    throw new Error(wrongArgTypeError);\r\n                }\r\n            }\r\n            if (params.hasEnd()) {\r\n                var endName = params.getIndexEndName();\r\n                if (endName !== MAX_NAME) {\r\n                    throw new Error(tooManyArgsError);\r\n                }\r\n                else if (typeof endNode !== 'string') {\r\n                    throw new Error(wrongArgTypeError);\r\n                }\r\n            }\r\n        }\r\n        else if (params.getIndex() === PRIORITY_INDEX) {\r\n            if ((startNode != null && !isValidPriority(startNode)) ||\r\n                (endNode != null && !isValidPriority(endNode))) {\r\n                throw new Error('Query: When ordering by priority, the first argument passed to startAt(), ' +\r\n                    'endAt(), or equalTo() must be a valid priority value (null, a number, or a string).');\r\n            }\r\n        }\r\n        else {\r\n            util.assert(params.getIndex() instanceof PathIndex ||\r\n                params.getIndex() === VALUE_INDEX, 'unknown index type.');\r\n            if ((startNode != null && typeof startNode === 'object') ||\r\n                (endNode != null && typeof endNode === 'object')) {\r\n                throw new Error('Query: First argument passed to startAt(), endAt(), or equalTo() cannot be ' +\r\n                    'an object.');\r\n            }\r\n        }\r\n    };\r\n    /**\r\n     * Validates that limit* has been called with the correct combination of parameters\r\n     * @param {!QueryParams} params\r\n     * @private\r\n     */\r\n    Query.validateLimit_ = function (params) {\r\n        if (params.hasStart() &&\r\n            params.hasEnd() &&\r\n            params.hasLimit() &&\r\n            !params.hasAnchoredLimit()) {\r\n            throw new Error(\"Query: Can't combine startAt(), endAt(), and limit(). Use limitToFirst() or limitToLast() instead.\");\r\n        }\r\n    };\r\n    /**\r\n     * Validates that no other order by call has been made\r\n     * @param {!string} fnName\r\n     * @private\r\n     */\r\n    Query.prototype.validateNoPreviousOrderByCall_ = function (fnName) {\r\n        if (this.orderByCalled_ === true) {\r\n            throw new Error(fnName + \": You can't combine multiple orderBy calls.\");\r\n        }\r\n    };\r\n    /**\r\n     * @return {!QueryParams}\r\n     */\r\n    Query.prototype.getQueryParams = function () {\r\n        return this.queryParams_;\r\n    };\r\n    /**\r\n     * @return {!Reference}\r\n     */\r\n    Query.prototype.getRef = function () {\r\n        util.validateArgCount('Query.ref', 0, 0, arguments.length);\r\n        // This is a slight hack. We cannot goog.require('fb.api.Firebase'), since Firebase requires fb.api.Query.\r\n        // However, we will always export 'Firebase' to the global namespace, so it's guaranteed to exist by the time this\r\n        // method gets called.\r\n        return new Query.__referenceConstructor(this.repo, this.path);\r\n    };\r\n    /**\r\n     * @param {!string} eventType\r\n     * @param {!function(DataSnapshot, string=)} callback\r\n     * @param {(function(Error)|Object)=} cancelCallbackOrContext\r\n     * @param {Object=} context\r\n     * @return {!function(DataSnapshot, string=)}\r\n     */\r\n    Query.prototype.on = function (eventType, callback, cancelCallbackOrContext, context) {\r\n        util.validateArgCount('Query.on', 2, 4, arguments.length);\r\n        validateEventType('Query.on', 1, eventType, false);\r\n        util.validateCallback('Query.on', 2, callback, false);\r\n        var ret = Query.getCancelAndContextArgs_('Query.on', cancelCallbackOrContext, context);\r\n        if (eventType === 'value') {\r\n            this.onValueEvent(callback, ret.cancel, ret.context);\r\n        }\r\n        else {\r\n            var callbacks = {};\r\n            callbacks[eventType] = callback;\r\n            this.onChildEvent(callbacks, ret.cancel, ret.context);\r\n        }\r\n        return callback;\r\n    };\r\n    /**\r\n     * @param {!function(!DataSnapshot)} callback\r\n     * @param {?function(Error)} cancelCallback\r\n     * @param {?Object} context\r\n     * @protected\r\n     */\r\n    Query.prototype.onValueEvent = function (callback, cancelCallback, context) {\r\n        var container = new ValueEventRegistration(callback, cancelCallback || null, context || null);\r\n        this.repo.addEventCallbackForQuery(this, container);\r\n    };\r\n    /**\r\n     * @param {!Object.<string, !function(!DataSnapshot, ?string)>} callbacks\r\n     * @param {?function(Error)} cancelCallback\r\n     * @param {?Object} context\r\n     * @protected\r\n     */\r\n    Query.prototype.onChildEvent = function (callbacks, cancelCallback, context) {\r\n        var container = new ChildEventRegistration(callbacks, cancelCallback, context);\r\n        this.repo.addEventCallbackForQuery(this, container);\r\n    };\r\n    /**\r\n     * @param {string=} eventType\r\n     * @param {(function(!DataSnapshot, ?string=))=} callback\r\n     * @param {Object=} context\r\n     */\r\n    Query.prototype.off = function (eventType, callback, context) {\r\n        util.validateArgCount('Query.off', 0, 3, arguments.length);\r\n        validateEventType('Query.off', 1, eventType, true);\r\n        util.validateCallback('Query.off', 2, callback, true);\r\n        util.validateContextObject('Query.off', 3, context, true);\r\n        var container = null;\r\n        var callbacks = null;\r\n        if (eventType === 'value') {\r\n            var valueCallback = callback || null;\r\n            container = new ValueEventRegistration(valueCallback, null, context || null);\r\n        }\r\n        else if (eventType) {\r\n            if (callback) {\r\n                callbacks = {};\r\n                callbacks[eventType] = callback;\r\n            }\r\n            container = new ChildEventRegistration(callbacks, null, context || null);\r\n        }\r\n        this.repo.removeEventCallbackForQuery(this, container);\r\n    };\r\n    /**\r\n     * Attaches a listener, waits for the first event, and then removes the listener\r\n     * @param {!string} eventType\r\n     * @param {!function(!DataSnapshot, string=)} userCallback\r\n     * @param failureCallbackOrContext\r\n     * @param context\r\n     * @return {!firebase.Promise}\r\n     */\r\n    Query.prototype.once = function (eventType, userCallback, failureCallbackOrContext, context) {\r\n        var _this = this;\r\n        util.validateArgCount('Query.once', 1, 4, arguments.length);\r\n        validateEventType('Query.once', 1, eventType, false);\r\n        util.validateCallback('Query.once', 2, userCallback, true);\r\n        var ret = Query.getCancelAndContextArgs_('Query.once', failureCallbackOrContext, context);\r\n        // TODO: Implement this more efficiently (in particular, use 'get' wire protocol for 'value' event)\r\n        // TODO: consider actually wiring the callbacks into the promise. We cannot do this without a breaking change\r\n        // because the API currently expects callbacks will be called synchronously if the data is cached, but this is\r\n        // against the Promise specification.\r\n        var firstCall = true;\r\n        var deferred = new util.Deferred();\r\n        // A dummy error handler in case a user wasn't expecting promises\r\n        deferred.promise.catch(function () { });\r\n        var onceCallback = function (snapshot) {\r\n            // NOTE: Even though we unsubscribe, we may get called multiple times if a single action (e.g. set() with JSON)\r\n            // triggers multiple events (e.g. child_added or child_changed).\r\n            if (firstCall) {\r\n                firstCall = false;\r\n                _this.off(eventType, onceCallback);\r\n                if (userCallback) {\r\n                    userCallback.bind(ret.context)(snapshot);\r\n                }\r\n                deferred.resolve(snapshot);\r\n            }\r\n        };\r\n        this.on(eventType, onceCallback, \r\n        /*cancel=*/ function (err) {\r\n            _this.off(eventType, onceCallback);\r\n            if (ret.cancel) {\r\n                ret.cancel.bind(ret.context)(err);\r\n            }\r\n            deferred.reject(err);\r\n        });\r\n        return deferred.promise;\r\n    };\r\n    /**\r\n     * Set a limit and anchor it to the start of the window.\r\n     * @param {!number} limit\r\n     * @return {!Query}\r\n     */\r\n    Query.prototype.limitToFirst = function (limit) {\r\n        util.validateArgCount('Query.limitToFirst', 1, 1, arguments.length);\r\n        if (typeof limit !== 'number' ||\r\n            Math.floor(limit) !== limit ||\r\n            limit <= 0) {\r\n            throw new Error('Query.limitToFirst: First argument must be a positive integer.');\r\n        }\r\n        if (this.queryParams_.hasLimit()) {\r\n            throw new Error('Query.limitToFirst: Limit was already set (by another call to limit, ' +\r\n                'limitToFirst, or limitToLast).');\r\n        }\r\n        return new Query(this.repo, this.path, this.queryParams_.limitToFirst(limit), this.orderByCalled_);\r\n    };\r\n    /**\r\n     * Set a limit and anchor it to the end of the window.\r\n     * @param {!number} limit\r\n     * @return {!Query}\r\n     */\r\n    Query.prototype.limitToLast = function (limit) {\r\n        util.validateArgCount('Query.limitToLast', 1, 1, arguments.length);\r\n        if (typeof limit !== 'number' ||\r\n            Math.floor(limit) !== limit ||\r\n            limit <= 0) {\r\n            throw new Error('Query.limitToLast: First argument must be a positive integer.');\r\n        }\r\n        if (this.queryParams_.hasLimit()) {\r\n            throw new Error('Query.limitToLast: Limit was already set (by another call to limit, ' +\r\n                'limitToFirst, or limitToLast).');\r\n        }\r\n        return new Query(this.repo, this.path, this.queryParams_.limitToLast(limit), this.orderByCalled_);\r\n    };\r\n    /**\r\n     * Given a child path, return a new query ordered by the specified grandchild path.\r\n     * @param {!string} path\r\n     * @return {!Query}\r\n     */\r\n    Query.prototype.orderByChild = function (path) {\r\n        util.validateArgCount('Query.orderByChild', 1, 1, arguments.length);\r\n        if (path === '$key') {\r\n            throw new Error('Query.orderByChild: \"$key\" is invalid.  Use Query.orderByKey() instead.');\r\n        }\r\n        else if (path === '$priority') {\r\n            throw new Error('Query.orderByChild: \"$priority\" is invalid.  Use Query.orderByPriority() instead.');\r\n        }\r\n        else if (path === '$value') {\r\n            throw new Error('Query.orderByChild: \"$value\" is invalid.  Use Query.orderByValue() instead.');\r\n        }\r\n        validatePathString('Query.orderByChild', 1, path, false);\r\n        this.validateNoPreviousOrderByCall_('Query.orderByChild');\r\n        var parsedPath = new Path(path);\r\n        if (parsedPath.isEmpty()) {\r\n            throw new Error('Query.orderByChild: cannot pass in empty path.  Use Query.orderByValue() instead.');\r\n        }\r\n        var index = new PathIndex(parsedPath);\r\n        var newParams = this.queryParams_.orderBy(index);\r\n        Query.validateQueryEndpoints_(newParams);\r\n        return new Query(this.repo, this.path, newParams, /*orderByCalled=*/ true);\r\n    };\r\n    /**\r\n     * Return a new query ordered by the KeyIndex\r\n     * @return {!Query}\r\n     */\r\n    Query.prototype.orderByKey = function () {\r\n        util.validateArgCount('Query.orderByKey', 0, 0, arguments.length);\r\n        this.validateNoPreviousOrderByCall_('Query.orderByKey');\r\n        var newParams = this.queryParams_.orderBy(KEY_INDEX);\r\n        Query.validateQueryEndpoints_(newParams);\r\n        return new Query(this.repo, this.path, newParams, /*orderByCalled=*/ true);\r\n    };\r\n    /**\r\n     * Return a new query ordered by the PriorityIndex\r\n     * @return {!Query}\r\n     */\r\n    Query.prototype.orderByPriority = function () {\r\n        util.validateArgCount('Query.orderByPriority', 0, 0, arguments.length);\r\n        this.validateNoPreviousOrderByCall_('Query.orderByPriority');\r\n        var newParams = this.queryParams_.orderBy(PRIORITY_INDEX);\r\n        Query.validateQueryEndpoints_(newParams);\r\n        return new Query(this.repo, this.path, newParams, /*orderByCalled=*/ true);\r\n    };\r\n    /**\r\n     * Return a new query ordered by the ValueIndex\r\n     * @return {!Query}\r\n     */\r\n    Query.prototype.orderByValue = function () {\r\n        util.validateArgCount('Query.orderByValue', 0, 0, arguments.length);\r\n        this.validateNoPreviousOrderByCall_('Query.orderByValue');\r\n        var newParams = this.queryParams_.orderBy(VALUE_INDEX);\r\n        Query.validateQueryEndpoints_(newParams);\r\n        return new Query(this.repo, this.path, newParams, /*orderByCalled=*/ true);\r\n    };\r\n    /**\r\n     * @param {number|string|boolean|null} value\r\n     * @param {?string=} name\r\n     * @return {!Query}\r\n     */\r\n    Query.prototype.startAt = function (value, name) {\r\n        if (value === void 0) { value = null; }\r\n        util.validateArgCount('Query.startAt', 0, 2, arguments.length);\r\n        validateFirebaseDataArg('Query.startAt', 1, value, this.path, true);\r\n        validateKey('Query.startAt', 2, name, true);\r\n        var newParams = this.queryParams_.startAt(value, name);\r\n        Query.validateLimit_(newParams);\r\n        Query.validateQueryEndpoints_(newParams);\r\n        if (this.queryParams_.hasStart()) {\r\n            throw new Error('Query.startAt: Starting point was already set (by another call to startAt ' +\r\n                'or equalTo).');\r\n        }\r\n        // Calling with no params tells us to start at the beginning.\r\n        if (value === undefined) {\r\n            value = null;\r\n            name = null;\r\n        }\r\n        return new Query(this.repo, this.path, newParams, this.orderByCalled_);\r\n    };\r\n    /**\r\n     * @param {number|string|boolean|null} value\r\n     * @param {?string=} name\r\n     * @return {!Query}\r\n     */\r\n    Query.prototype.endAt = function (value, name) {\r\n        if (value === void 0) { value = null; }\r\n        util.validateArgCount('Query.endAt', 0, 2, arguments.length);\r\n        validateFirebaseDataArg('Query.endAt', 1, value, this.path, true);\r\n        validateKey('Query.endAt', 2, name, true);\r\n        var newParams = this.queryParams_.endAt(value, name);\r\n        Query.validateLimit_(newParams);\r\n        Query.validateQueryEndpoints_(newParams);\r\n        if (this.queryParams_.hasEnd()) {\r\n            throw new Error('Query.endAt: Ending point was already set (by another call to endAt or ' +\r\n                'equalTo).');\r\n        }\r\n        return new Query(this.repo, this.path, newParams, this.orderByCalled_);\r\n    };\r\n    /**\r\n     * Load the selection of children with exactly the specified value, and, optionally,\r\n     * the specified name.\r\n     * @param {number|string|boolean|null} value\r\n     * @param {string=} name\r\n     * @return {!Query}\r\n     */\r\n    Query.prototype.equalTo = function (value, name) {\r\n        util.validateArgCount('Query.equalTo', 1, 2, arguments.length);\r\n        validateFirebaseDataArg('Query.equalTo', 1, value, this.path, false);\r\n        validateKey('Query.equalTo', 2, name, true);\r\n        if (this.queryParams_.hasStart()) {\r\n            throw new Error('Query.equalTo: Starting point was already set (by another call to startAt or ' +\r\n                'equalTo).');\r\n        }\r\n        if (this.queryParams_.hasEnd()) {\r\n            throw new Error('Query.equalTo: Ending point was already set (by another call to endAt or ' +\r\n                'equalTo).');\r\n        }\r\n        return this.startAt(value, name).endAt(value, name);\r\n    };\r\n    /**\r\n     * @return {!string} URL for this location.\r\n     */\r\n    Query.prototype.toString = function () {\r\n        util.validateArgCount('Query.toString', 0, 0, arguments.length);\r\n        return this.repo.toString() + this.path.toUrlEncodedString();\r\n    };\r\n    // Do not create public documentation. This is intended to make JSON serialization work but is otherwise unnecessary\r\n    // for end-users.\r\n    Query.prototype.toJSON = function () {\r\n        // An optional spacer argument is unnecessary for a string.\r\n        util.validateArgCount('Query.toJSON', 0, 1, arguments.length);\r\n        return this.toString();\r\n    };\r\n    /**\r\n     * An object representation of the query parameters used by this Query.\r\n     * @return {!Object}\r\n     */\r\n    Query.prototype.queryObject = function () {\r\n        return this.queryParams_.getQueryObject();\r\n    };\r\n    /**\r\n     * @return {!string}\r\n     */\r\n    Query.prototype.queryIdentifier = function () {\r\n        var obj = this.queryObject();\r\n        var id = ObjectToUniqueKey(obj);\r\n        return id === '{}' ? 'default' : id;\r\n    };\r\n    /**\r\n     * Return true if this query and the provided query are equivalent; otherwise, return false.\r\n     * @param {Query} other\r\n     * @return {boolean}\r\n     */\r\n    Query.prototype.isEqual = function (other) {\r\n        util.validateArgCount('Query.isEqual', 1, 1, arguments.length);\r\n        if (!(other instanceof Query)) {\r\n            var error = 'Query.isEqual failed: First argument must be an instance of firebase.database.Query.';\r\n            throw new Error(error);\r\n        }\r\n        var sameRepo = this.repo === other.repo;\r\n        var samePath = this.path.equals(other.path);\r\n        var sameQueryIdentifier = this.queryIdentifier() === other.queryIdentifier();\r\n        return sameRepo && samePath && sameQueryIdentifier;\r\n    };\r\n    /**\r\n     * Helper used by .on and .once to extract the context and or cancel arguments.\r\n     * @param {!string} fnName The function name (on or once)\r\n     * @param {(function(Error)|Object)=} cancelOrContext\r\n     * @param {Object=} context\r\n     * @return {{cancel: ?function(Error), context: ?Object}}\r\n     * @private\r\n     */\r\n    Query.getCancelAndContextArgs_ = function (fnName, cancelOrContext, context) {\r\n        var ret = { cancel: null, context: null };\r\n        if (cancelOrContext && context) {\r\n            ret.cancel = cancelOrContext;\r\n            util.validateCallback(fnName, 3, ret.cancel, true);\r\n            ret.context = context;\r\n            util.validateContextObject(fnName, 4, ret.context, true);\r\n        }\r\n        else if (cancelOrContext) {\r\n            // we have either a cancel callback or a context.\r\n            if (typeof cancelOrContext === 'object' && cancelOrContext !== null) {\r\n                // it's a context!\r\n                ret.context = cancelOrContext;\r\n            }\r\n            else if (typeof cancelOrContext === 'function') {\r\n                ret.cancel = cancelOrContext;\r\n            }\r\n            else {\r\n                throw new Error(util.errorPrefix(fnName, 3, true) +\r\n                    ' must either be a cancel callback or a context object.');\r\n            }\r\n        }\r\n        return ret;\r\n    };\r\n    Object.defineProperty(Query.prototype, \"ref\", {\r\n        get: function () {\r\n            return this.getRef();\r\n        },\r\n        enumerable: false,\r\n        configurable: true\r\n    });\r\n    return Query;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nvar ExistingValueProvider = /** @class */ (function () {\r\n    function ExistingValueProvider(node_) {\r\n        this.node_ = node_;\r\n    }\r\n    ExistingValueProvider.prototype.getImmediateChild = function (childName) {\r\n        var child = this.node_.getImmediateChild(childName);\r\n        return new ExistingValueProvider(child);\r\n    };\r\n    ExistingValueProvider.prototype.node = function () {\r\n        return this.node_;\r\n    };\r\n    return ExistingValueProvider;\r\n}());\r\nvar DeferredValueProvider = /** @class */ (function () {\r\n    function DeferredValueProvider(syncTree, path) {\r\n        this.syncTree_ = syncTree;\r\n        this.path_ = path;\r\n    }\r\n    DeferredValueProvider.prototype.getImmediateChild = function (childName) {\r\n        var childPath = this.path_.child(childName);\r\n        return new DeferredValueProvider(this.syncTree_, childPath);\r\n    };\r\n    DeferredValueProvider.prototype.node = function () {\r\n        return this.syncTree_.calcCompleteEventCache(this.path_);\r\n    };\r\n    return DeferredValueProvider;\r\n}());\r\n/**\r\n * Generate placeholders for deferred values.\r\n * @param {?Object} values\r\n * @return {!Object}\r\n */\r\nvar generateWithValues = function (values) {\r\n    values = values || {};\r\n    values['timestamp'] = values['timestamp'] || new Date().getTime();\r\n    return values;\r\n};\r\n/**\r\n * Value to use when firing local events. When writing server values, fire\r\n * local events with an approximate value, otherwise return value as-is.\r\n * @param {(Object|string|number|boolean)} value\r\n * @param {!Object} serverValues\r\n * @return {!(string|number|boolean)}\r\n */\r\nvar resolveDeferredLeafValue = function (value, existingVal, serverValues) {\r\n    if (!value || typeof value !== 'object') {\r\n        return value;\r\n    }\r\n    util.assert('.sv' in value, 'Unexpected leaf node or priority contents');\r\n    if (typeof value['.sv'] === 'string') {\r\n        return resolveScalarDeferredValue(value['.sv'], existingVal, serverValues);\r\n    }\r\n    else if (typeof value['.sv'] === 'object') {\r\n        return resolveComplexDeferredValue(value['.sv'], existingVal);\r\n    }\r\n    else {\r\n        util.assert(false, 'Unexpected server value: ' + JSON.stringify(value, null, 2));\r\n    }\r\n};\r\nvar resolveScalarDeferredValue = function (op, existing, serverValues) {\r\n    switch (op) {\r\n        case 'timestamp':\r\n            return serverValues['timestamp'];\r\n        default:\r\n            util.assert(false, 'Unexpected server value: ' + op);\r\n    }\r\n};\r\nvar resolveComplexDeferredValue = function (op, existing, unused) {\r\n    if (!op.hasOwnProperty('increment')) {\r\n        util.assert(false, 'Unexpected server value: ' + JSON.stringify(op, null, 2));\r\n    }\r\n    var delta = op['increment'];\r\n    if (typeof delta !== 'number') {\r\n        util.assert(false, 'Unexpected increment value: ' + delta);\r\n    }\r\n    var existingNode = existing.node();\r\n    util.assert(existingNode !== null && typeof existingNode !== 'undefined', 'Expected ChildrenNode.EMPTY_NODE for nulls');\r\n    // Incrementing a non-number sets the value to the incremented amount\r\n    if (!existingNode.isLeafNode()) {\r\n        return delta;\r\n    }\r\n    var leaf = existingNode;\r\n    var existingVal = leaf.getValue();\r\n    if (typeof existingVal !== 'number') {\r\n        return delta;\r\n    }\r\n    // No need to do over/underflow arithmetic here because JS only handles floats under the covers\r\n    return existingVal + delta;\r\n};\r\n/**\r\n * Recursively replace all deferred values and priorities in the tree with the\r\n * specified generated replacement values.\r\n * @param {!Path} path path to which write is relative\r\n * @param {!Node} node new data written at path\r\n * @param {!SyncTree} syncTree current data\r\n * @param {!Object} serverValues\r\n * @return {!SparseSnapshotTree}\r\n */\r\nvar resolveDeferredValueTree = function (path, node, syncTree, serverValues) {\r\n    return resolveDeferredValue(node, new DeferredValueProvider(syncTree, path), serverValues);\r\n};\r\n/**\r\n * Recursively replace all deferred values and priorities in the node with the\r\n * specified generated replacement values.  If there are no server values in the node,\r\n * it'll be returned as-is.\r\n * @param {!Node} node\r\n * @param {!Object} serverValues\r\n * @return {!Node}\r\n */\r\nvar resolveDeferredValueSnapshot = function (node, existing, serverValues) {\r\n    return resolveDeferredValue(node, new ExistingValueProvider(existing), serverValues);\r\n};\r\nfunction resolveDeferredValue(node, existingVal, serverValues) {\r\n    var rawPri = node.getPriority().val();\r\n    var priority = resolveDeferredLeafValue(rawPri, existingVal.getImmediateChild('.priority'), serverValues);\r\n    var newNode;\r\n    if (node.isLeafNode()) {\r\n        var leafNode = node;\r\n        var value = resolveDeferredLeafValue(leafNode.getValue(), existingVal, serverValues);\r\n        if (value !== leafNode.getValue() ||\r\n            priority !== leafNode.getPriority().val()) {\r\n            return new LeafNode(value, nodeFromJSON$1(priority));\r\n        }\r\n        else {\r\n            return node;\r\n        }\r\n    }\r\n    else {\r\n        var childrenNode = node;\r\n        newNode = childrenNode;\r\n        if (priority !== childrenNode.getPriority().val()) {\r\n            newNode = newNode.updatePriority(new LeafNode(priority));\r\n        }\r\n        childrenNode.forEachChild(PRIORITY_INDEX, function (childName, childNode) {\r\n            var newChildNode = resolveDeferredValue(childNode, existingVal.getImmediateChild(childName), serverValues);\r\n            if (newChildNode !== childNode) {\r\n                newNode = newNode.updateImmediateChild(childName, newChildNode);\r\n            }\r\n        });\r\n        return newNode;\r\n    }\r\n}\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * Helper class to store a sparse set of snapshots.\r\n */\r\nvar SparseSnapshotTree = /** @class */ (function () {\r\n    function SparseSnapshotTree() {\r\n        this.value = null;\r\n        this.children = new Map();\r\n    }\r\n    /**\r\n     * Gets the node stored at the given path if one exists.\r\n     *\r\n     * @param path Path to look up snapshot for.\r\n     * @return The retrieved node, or null.\r\n     */\r\n    SparseSnapshotTree.prototype.find = function (path) {\r\n        if (this.value != null) {\r\n            return this.value.getChild(path);\r\n        }\r\n        else if (!path.isEmpty() && this.children.size > 0) {\r\n            var childKey = path.getFront();\r\n            path = path.popFront();\r\n            if (this.children.has(childKey)) {\r\n                var childTree = this.children.get(childKey);\r\n                return childTree.find(path);\r\n            }\r\n            else {\r\n                return null;\r\n            }\r\n        }\r\n        else {\r\n            return null;\r\n        }\r\n    };\r\n    /**\r\n     * Stores the given node at the specified path. If there is already a node\r\n     * at a shallower path, it merges the new data into that snapshot node.\r\n     *\r\n     * @param path Path to look up snapshot for.\r\n     * @param data The new data, or null.\r\n     */\r\n    SparseSnapshotTree.prototype.remember = function (path, data) {\r\n        if (path.isEmpty()) {\r\n            this.value = data;\r\n            this.children.clear();\r\n        }\r\n        else if (this.value !== null) {\r\n            this.value = this.value.updateChild(path, data);\r\n        }\r\n        else {\r\n            var childKey = path.getFront();\r\n            if (!this.children.has(childKey)) {\r\n                this.children.set(childKey, new SparseSnapshotTree());\r\n            }\r\n            var child = this.children.get(childKey);\r\n            path = path.popFront();\r\n            child.remember(path, data);\r\n        }\r\n    };\r\n    /**\r\n     * Purge the data at path from the cache.\r\n     *\r\n     * @param path Path to look up snapshot for.\r\n     * @return True if this node should now be removed.\r\n     */\r\n    SparseSnapshotTree.prototype.forget = function (path) {\r\n        if (path.isEmpty()) {\r\n            this.value = null;\r\n            this.children.clear();\r\n            return true;\r\n        }\r\n        else {\r\n            if (this.value !== null) {\r\n                if (this.value.isLeafNode()) {\r\n                    // We're trying to forget a node that doesn't exist\r\n                    return false;\r\n                }\r\n                else {\r\n                    var value = this.value;\r\n                    this.value = null;\r\n                    var self_1 = this;\r\n                    value.forEachChild(PRIORITY_INDEX, function (key, tree) {\r\n                        self_1.remember(new Path(key), tree);\r\n                    });\r\n                    return this.forget(path);\r\n                }\r\n            }\r\n            else if (this.children.size > 0) {\r\n                var childKey = path.getFront();\r\n                path = path.popFront();\r\n                if (this.children.has(childKey)) {\r\n                    var safeToRemove = this.children.get(childKey).forget(path);\r\n                    if (safeToRemove) {\r\n                        this.children.delete(childKey);\r\n                    }\r\n                }\r\n                return this.children.size === 0;\r\n            }\r\n            else {\r\n                return true;\r\n            }\r\n        }\r\n    };\r\n    /**\r\n     * Recursively iterates through all of the stored tree and calls the\r\n     * callback on each one.\r\n     *\r\n     * @param prefixPath Path to look up node for.\r\n     * @param func The function to invoke for each tree.\r\n     */\r\n    SparseSnapshotTree.prototype.forEachTree = function (prefixPath, func) {\r\n        if (this.value !== null) {\r\n            func(prefixPath, this.value);\r\n        }\r\n        else {\r\n            this.forEachChild(function (key, tree) {\r\n                var path = new Path(prefixPath.toString() + '/' + key);\r\n                tree.forEachTree(path, func);\r\n            });\r\n        }\r\n    };\r\n    /**\r\n     * Iterates through each immediate child and triggers the callback.\r\n     *\r\n     * @param func The function to invoke for each child.\r\n     */\r\n    SparseSnapshotTree.prototype.forEachChild = function (func) {\r\n        this.children.forEach(function (tree, key) {\r\n            func(key, tree);\r\n        });\r\n    };\r\n    return SparseSnapshotTree;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n *\r\n * @enum\r\n */\r\nvar OperationType;\r\n(function (OperationType) {\r\n    OperationType[OperationType[\"OVERWRITE\"] = 0] = \"OVERWRITE\";\r\n    OperationType[OperationType[\"MERGE\"] = 1] = \"MERGE\";\r\n    OperationType[OperationType[\"ACK_USER_WRITE\"] = 2] = \"ACK_USER_WRITE\";\r\n    OperationType[OperationType[\"LISTEN_COMPLETE\"] = 3] = \"LISTEN_COMPLETE\";\r\n})(OperationType || (OperationType = {}));\r\n/**\r\n * @param {boolean} fromUser\r\n * @param {boolean} fromServer\r\n * @param {?string} queryId\r\n * @param {boolean} tagged\r\n * @constructor\r\n */\r\nvar OperationSource = /** @class */ (function () {\r\n    function OperationSource(fromUser, fromServer, queryId, tagged) {\r\n        this.fromUser = fromUser;\r\n        this.fromServer = fromServer;\r\n        this.queryId = queryId;\r\n        this.tagged = tagged;\r\n        util.assert(!tagged || fromServer, 'Tagged queries must be from server.');\r\n    }\r\n    /**\r\n     * @const\r\n     * @type {!OperationSource}\r\n     */\r\n    OperationSource.User = new OperationSource(\r\n    /*fromUser=*/ true, false, null, \r\n    /*tagged=*/ false);\r\n    /**\r\n     * @const\r\n     * @type {!OperationSource}\r\n     */\r\n    OperationSource.Server = new OperationSource(false, \r\n    /*fromServer=*/ true, null, \r\n    /*tagged=*/ false);\r\n    /**\r\n     * @param {string} queryId\r\n     * @return {!OperationSource}\r\n     */\r\n    OperationSource.forServerTaggedQuery = function (queryId) {\r\n        return new OperationSource(false, \r\n        /*fromServer=*/ true, queryId, \r\n        /*tagged=*/ true);\r\n    };\r\n    return OperationSource;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nvar AckUserWrite = /** @class */ (function () {\r\n    /**\r\n     *\r\n     * @param {!Path} path\r\n     * @param {!ImmutableTree<!boolean>} affectedTree A tree containing true for each affected path. Affected paths can't overlap.\r\n     * @param {!boolean} revert\r\n     */\r\n    function AckUserWrite(\r\n    /** @inheritDoc */ path, \r\n    /** @inheritDoc */ affectedTree, \r\n    /** @inheritDoc */ revert) {\r\n        this.path = path;\r\n        this.affectedTree = affectedTree;\r\n        this.revert = revert;\r\n        /** @inheritDoc */\r\n        this.type = OperationType.ACK_USER_WRITE;\r\n        /** @inheritDoc */\r\n        this.source = OperationSource.User;\r\n    }\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    AckUserWrite.prototype.operationForChild = function (childName) {\r\n        if (!this.path.isEmpty()) {\r\n            util.assert(this.path.getFront() === childName, 'operationForChild called for unrelated child.');\r\n            return new AckUserWrite(this.path.popFront(), this.affectedTree, this.revert);\r\n        }\r\n        else if (this.affectedTree.value != null) {\r\n            util.assert(this.affectedTree.children.isEmpty(), 'affectedTree should not have overlapping affected paths.');\r\n            // All child locations are affected as well; just return same operation.\r\n            return this;\r\n        }\r\n        else {\r\n            var childTree = this.affectedTree.subtree(new Path(childName));\r\n            return new AckUserWrite(Path.Empty, childTree, this.revert);\r\n        }\r\n    };\r\n    return AckUserWrite;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nvar emptyChildrenSingleton;\r\n/**\r\n * Singleton empty children collection.\r\n *\r\n * @const\r\n * @type {!SortedMap.<string, !ImmutableTree.<?>>}\r\n */\r\nvar EmptyChildren = function () {\r\n    if (!emptyChildrenSingleton) {\r\n        emptyChildrenSingleton = new SortedMap(stringCompare);\r\n    }\r\n    return emptyChildrenSingleton;\r\n};\r\n/**\r\n * A tree with immutable elements.\r\n */\r\nvar ImmutableTree = /** @class */ (function () {\r\n    /**\r\n     * @template T\r\n     * @param {?T} value\r\n     * @param {SortedMap.<string, !ImmutableTree.<T>>=} children\r\n     */\r\n    function ImmutableTree(value, children) {\r\n        if (children === void 0) { children = EmptyChildren(); }\r\n        this.value = value;\r\n        this.children = children;\r\n    }\r\n    /**\r\n     * @template T\r\n     * @param {!Object.<string, !T>} obj\r\n     * @return {!ImmutableTree.<!T>}\r\n     */\r\n    ImmutableTree.fromObject = function (obj) {\r\n        var tree = ImmutableTree.Empty;\r\n        each(obj, function (childPath, childSnap) {\r\n            tree = tree.set(new Path(childPath), childSnap);\r\n        });\r\n        return tree;\r\n    };\r\n    /**\r\n     * True if the value is empty and there are no children\r\n     * @return {boolean}\r\n     */\r\n    ImmutableTree.prototype.isEmpty = function () {\r\n        return this.value === null && this.children.isEmpty();\r\n    };\r\n    /**\r\n     * Given a path and predicate, return the first node and the path to that node\r\n     * where the predicate returns true.\r\n     *\r\n     * TODO Do a perf test -- If we're creating a bunch of {path: value:} objects\r\n     * on the way back out, it may be better to pass down a pathSoFar obj.\r\n     *\r\n     * @param {!Path} relativePath The remainder of the path\r\n     * @param {function(T):boolean} predicate The predicate to satisfy to return a\r\n     *   node\r\n     * @return {?{path:!Path, value:!T}}\r\n     */\r\n    ImmutableTree.prototype.findRootMostMatchingPathAndValue = function (relativePath, predicate) {\r\n        if (this.value != null && predicate(this.value)) {\r\n            return { path: Path.Empty, value: this.value };\r\n        }\r\n        else {\r\n            if (relativePath.isEmpty()) {\r\n                return null;\r\n            }\r\n            else {\r\n                var front = relativePath.getFront();\r\n                var child = this.children.get(front);\r\n                if (child !== null) {\r\n                    var childExistingPathAndValue = child.findRootMostMatchingPathAndValue(relativePath.popFront(), predicate);\r\n                    if (childExistingPathAndValue != null) {\r\n                        var fullPath = new Path(front).child(childExistingPathAndValue.path);\r\n                        return { path: fullPath, value: childExistingPathAndValue.value };\r\n                    }\r\n                    else {\r\n                        return null;\r\n                    }\r\n                }\r\n                else {\r\n                    return null;\r\n                }\r\n            }\r\n        }\r\n    };\r\n    /**\r\n     * Find, if it exists, the shortest subpath of the given path that points a defined\r\n     * value in the tree\r\n     * @param {!Path} relativePath\r\n     * @return {?{path: !Path, value: !T}}\r\n     */\r\n    ImmutableTree.prototype.findRootMostValueAndPath = function (relativePath) {\r\n        return this.findRootMostMatchingPathAndValue(relativePath, function () { return true; });\r\n    };\r\n    /**\r\n     * @param {!Path} relativePath\r\n     * @return {!ImmutableTree.<T>} The subtree at the given path\r\n     */\r\n    ImmutableTree.prototype.subtree = function (relativePath) {\r\n        if (relativePath.isEmpty()) {\r\n            return this;\r\n        }\r\n        else {\r\n            var front = relativePath.getFront();\r\n            var childTree = this.children.get(front);\r\n            if (childTree !== null) {\r\n                return childTree.subtree(relativePath.popFront());\r\n            }\r\n            else {\r\n                return ImmutableTree.Empty;\r\n            }\r\n        }\r\n    };\r\n    /**\r\n     * Sets a value at the specified path.\r\n     *\r\n     * @param {!Path} relativePath Path to set value at.\r\n     * @param {?T} toSet Value to set.\r\n     * @return {!ImmutableTree.<T>} Resulting tree.\r\n     */\r\n    ImmutableTree.prototype.set = function (relativePath, toSet) {\r\n        if (relativePath.isEmpty()) {\r\n            return new ImmutableTree(toSet, this.children);\r\n        }\r\n        else {\r\n            var front = relativePath.getFront();\r\n            var child = this.children.get(front) || ImmutableTree.Empty;\r\n            var newChild = child.set(relativePath.popFront(), toSet);\r\n            var newChildren = this.children.insert(front, newChild);\r\n            return new ImmutableTree(this.value, newChildren);\r\n        }\r\n    };\r\n    /**\r\n     * Removes the value at the specified path.\r\n     *\r\n     * @param {!Path} relativePath Path to value to remove.\r\n     * @return {!ImmutableTree.<T>} Resulting tree.\r\n     */\r\n    ImmutableTree.prototype.remove = function (relativePath) {\r\n        if (relativePath.isEmpty()) {\r\n            if (this.children.isEmpty()) {\r\n                return ImmutableTree.Empty;\r\n            }\r\n            else {\r\n                return new ImmutableTree(null, this.children);\r\n            }\r\n        }\r\n        else {\r\n            var front = relativePath.getFront();\r\n            var child = this.children.get(front);\r\n            if (child) {\r\n                var newChild = child.remove(relativePath.popFront());\r\n                var newChildren = void 0;\r\n                if (newChild.isEmpty()) {\r\n                    newChildren = this.children.remove(front);\r\n                }\r\n                else {\r\n                    newChildren = this.children.insert(front, newChild);\r\n                }\r\n                if (this.value === null && newChildren.isEmpty()) {\r\n                    return ImmutableTree.Empty;\r\n                }\r\n                else {\r\n                    return new ImmutableTree(this.value, newChildren);\r\n                }\r\n            }\r\n            else {\r\n                return this;\r\n            }\r\n        }\r\n    };\r\n    /**\r\n     * Gets a value from the tree.\r\n     *\r\n     * @param {!Path} relativePath Path to get value for.\r\n     * @return {?T} Value at path, or null.\r\n     */\r\n    ImmutableTree.prototype.get = function (relativePath) {\r\n        if (relativePath.isEmpty()) {\r\n            return this.value;\r\n        }\r\n        else {\r\n            var front = relativePath.getFront();\r\n            var child = this.children.get(front);\r\n            if (child) {\r\n                return child.get(relativePath.popFront());\r\n            }\r\n            else {\r\n                return null;\r\n            }\r\n        }\r\n    };\r\n    /**\r\n     * Replace the subtree at the specified path with the given new tree.\r\n     *\r\n     * @param {!Path} relativePath Path to replace subtree for.\r\n     * @param {!ImmutableTree} newTree New tree.\r\n     * @return {!ImmutableTree} Resulting tree.\r\n     */\r\n    ImmutableTree.prototype.setTree = function (relativePath, newTree) {\r\n        if (relativePath.isEmpty()) {\r\n            return newTree;\r\n        }\r\n        else {\r\n            var front = relativePath.getFront();\r\n            var child = this.children.get(front) || ImmutableTree.Empty;\r\n            var newChild = child.setTree(relativePath.popFront(), newTree);\r\n            var newChildren = void 0;\r\n            if (newChild.isEmpty()) {\r\n                newChildren = this.children.remove(front);\r\n            }\r\n            else {\r\n                newChildren = this.children.insert(front, newChild);\r\n            }\r\n            return new ImmutableTree(this.value, newChildren);\r\n        }\r\n    };\r\n    /**\r\n     * Performs a depth first fold on this tree. Transforms a tree into a single\r\n     * value, given a function that operates on the path to a node, an optional\r\n     * current value, and a map of child names to folded subtrees\r\n     * @template V\r\n     * @param {function(Path, ?T, Object.<string, V>):V} fn\r\n     * @return {V}\r\n     */\r\n    ImmutableTree.prototype.fold = function (fn) {\r\n        return this.fold_(Path.Empty, fn);\r\n    };\r\n    /**\r\n     * Recursive helper for public-facing fold() method\r\n     * @template V\r\n     * @param {!Path} pathSoFar\r\n     * @param {function(Path, ?T, Object.<string, V>):V} fn\r\n     * @return {V}\r\n     * @private\r\n     */\r\n    ImmutableTree.prototype.fold_ = function (pathSoFar, fn) {\r\n        var accum = {};\r\n        this.children.inorderTraversal(function (childKey, childTree) {\r\n            accum[childKey] = childTree.fold_(pathSoFar.child(childKey), fn);\r\n        });\r\n        return fn(pathSoFar, this.value, accum);\r\n    };\r\n    /**\r\n     * Find the first matching value on the given path. Return the result of applying f to it.\r\n     * @template V\r\n     * @param {!Path} path\r\n     * @param {!function(!Path, !T):?V} f\r\n     * @return {?V}\r\n     */\r\n    ImmutableTree.prototype.findOnPath = function (path, f) {\r\n        return this.findOnPath_(path, Path.Empty, f);\r\n    };\r\n    ImmutableTree.prototype.findOnPath_ = function (pathToFollow, pathSoFar, f) {\r\n        var result = this.value ? f(pathSoFar, this.value) : false;\r\n        if (result) {\r\n            return result;\r\n        }\r\n        else {\r\n            if (pathToFollow.isEmpty()) {\r\n                return null;\r\n            }\r\n            else {\r\n                var front = pathToFollow.getFront();\r\n                var nextChild = this.children.get(front);\r\n                if (nextChild) {\r\n                    return nextChild.findOnPath_(pathToFollow.popFront(), pathSoFar.child(front), f);\r\n                }\r\n                else {\r\n                    return null;\r\n                }\r\n            }\r\n        }\r\n    };\r\n    /**\r\n     *\r\n     * @param {!Path} path\r\n     * @param {!function(!Path, !T)} f\r\n     * @returns {!ImmutableTree.<T>}\r\n     */\r\n    ImmutableTree.prototype.foreachOnPath = function (path, f) {\r\n        return this.foreachOnPath_(path, Path.Empty, f);\r\n    };\r\n    ImmutableTree.prototype.foreachOnPath_ = function (pathToFollow, currentRelativePath, f) {\r\n        if (pathToFollow.isEmpty()) {\r\n            return this;\r\n        }\r\n        else {\r\n            if (this.value) {\r\n                f(currentRelativePath, this.value);\r\n            }\r\n            var front = pathToFollow.getFront();\r\n            var nextChild = this.children.get(front);\r\n            if (nextChild) {\r\n                return nextChild.foreachOnPath_(pathToFollow.popFront(), currentRelativePath.child(front), f);\r\n            }\r\n            else {\r\n                return ImmutableTree.Empty;\r\n            }\r\n        }\r\n    };\r\n    /**\r\n     * Calls the given function for each node in the tree that has a value.\r\n     *\r\n     * @param {function(!Path, !T)} f A function to be called with\r\n     *   the path from the root of the tree to a node, and the value at that node.\r\n     *   Called in depth-first order.\r\n     */\r\n    ImmutableTree.prototype.foreach = function (f) {\r\n        this.foreach_(Path.Empty, f);\r\n    };\r\n    ImmutableTree.prototype.foreach_ = function (currentRelativePath, f) {\r\n        this.children.inorderTraversal(function (childName, childTree) {\r\n            childTree.foreach_(currentRelativePath.child(childName), f);\r\n        });\r\n        if (this.value) {\r\n            f(currentRelativePath, this.value);\r\n        }\r\n    };\r\n    /**\r\n     *\r\n     * @param {function(string, !T)} f\r\n     */\r\n    ImmutableTree.prototype.foreachChild = function (f) {\r\n        this.children.inorderTraversal(function (childName, childTree) {\r\n            if (childTree.value) {\r\n                f(childName, childTree.value);\r\n            }\r\n        });\r\n    };\r\n    // eslint-disable-next-line @typescript-eslint/no-explicit-any\r\n    ImmutableTree.Empty = new ImmutableTree(null);\r\n    return ImmutableTree;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * @param {!OperationSource} source\r\n * @param {!Path} path\r\n * @constructor\r\n * @implements {Operation}\r\n */\r\nvar ListenComplete = /** @class */ (function () {\r\n    function ListenComplete(source, path) {\r\n        this.source = source;\r\n        this.path = path;\r\n        /** @inheritDoc */\r\n        this.type = OperationType.LISTEN_COMPLETE;\r\n    }\r\n    ListenComplete.prototype.operationForChild = function (childName) {\r\n        if (this.path.isEmpty()) {\r\n            return new ListenComplete(this.source, Path.Empty);\r\n        }\r\n        else {\r\n            return new ListenComplete(this.source, this.path.popFront());\r\n        }\r\n    };\r\n    return ListenComplete;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * @param {!OperationSource} source\r\n * @param {!Path} path\r\n * @param {!Node} snap\r\n * @constructor\r\n * @implements {Operation}\r\n */\r\nvar Overwrite = /** @class */ (function () {\r\n    function Overwrite(source, path, snap) {\r\n        this.source = source;\r\n        this.path = path;\r\n        this.snap = snap;\r\n        /** @inheritDoc */\r\n        this.type = OperationType.OVERWRITE;\r\n    }\r\n    Overwrite.prototype.operationForChild = function (childName) {\r\n        if (this.path.isEmpty()) {\r\n            return new Overwrite(this.source, Path.Empty, this.snap.getImmediateChild(childName));\r\n        }\r\n        else {\r\n            return new Overwrite(this.source, this.path.popFront(), this.snap);\r\n        }\r\n    };\r\n    return Overwrite;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * @param {!OperationSource} source\r\n * @param {!Path} path\r\n * @param {!ImmutableTree.<!Node>} children\r\n * @constructor\r\n * @implements {Operation}\r\n */\r\nvar Merge = /** @class */ (function () {\r\n    function Merge(\r\n    /** @inheritDoc */ source, \r\n    /** @inheritDoc */ path, \r\n    /** @inheritDoc */ children) {\r\n        this.source = source;\r\n        this.path = path;\r\n        this.children = children;\r\n        /** @inheritDoc */\r\n        this.type = OperationType.MERGE;\r\n    }\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    Merge.prototype.operationForChild = function (childName) {\r\n        if (this.path.isEmpty()) {\r\n            var childTree = this.children.subtree(new Path(childName));\r\n            if (childTree.isEmpty()) {\r\n                // This child is unaffected\r\n                return null;\r\n            }\r\n            else if (childTree.value) {\r\n                // We have a snapshot for the child in question.  This becomes an overwrite of the child.\r\n                return new Overwrite(this.source, Path.Empty, childTree.value);\r\n            }\r\n            else {\r\n                // This is a merge at a deeper level\r\n                return new Merge(this.source, Path.Empty, childTree);\r\n            }\r\n        }\r\n        else {\r\n            util.assert(this.path.getFront() === childName, \"Can't get a merge for a child not on the path of the operation\");\r\n            return new Merge(this.source, this.path.popFront(), this.children);\r\n        }\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    Merge.prototype.toString = function () {\r\n        return ('Operation(' +\r\n            this.path +\r\n            ': ' +\r\n            this.source.toString() +\r\n            ' merge: ' +\r\n            this.children.toString() +\r\n            ')');\r\n    };\r\n    return Merge;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * A cache node only stores complete children. Additionally it holds a flag whether the node can be considered fully\r\n * initialized in the sense that we know at one point in time this represented a valid state of the world, e.g.\r\n * initialized with data from the server, or a complete overwrite by the client. The filtered flag also tracks\r\n * whether a node potentially had children removed due to a filter.\r\n */\r\nvar CacheNode = /** @class */ (function () {\r\n    /**\r\n     * @param {!Node} node_\r\n     * @param {boolean} fullyInitialized_\r\n     * @param {boolean} filtered_\r\n     */\r\n    function CacheNode(node_, fullyInitialized_, filtered_) {\r\n        this.node_ = node_;\r\n        this.fullyInitialized_ = fullyInitialized_;\r\n        this.filtered_ = filtered_;\r\n    }\r\n    /**\r\n     * Returns whether this node was fully initialized with either server data or a complete overwrite by the client\r\n     * @return {boolean}\r\n     */\r\n    CacheNode.prototype.isFullyInitialized = function () {\r\n        return this.fullyInitialized_;\r\n    };\r\n    /**\r\n     * Returns whether this node is potentially missing children due to a filter applied to the node\r\n     * @return {boolean}\r\n     */\r\n    CacheNode.prototype.isFiltered = function () {\r\n        return this.filtered_;\r\n    };\r\n    /**\r\n     * @param {!Path} path\r\n     * @return {boolean}\r\n     */\r\n    CacheNode.prototype.isCompleteForPath = function (path) {\r\n        if (path.isEmpty()) {\r\n            return this.isFullyInitialized() && !this.filtered_;\r\n        }\r\n        var childKey = path.getFront();\r\n        return this.isCompleteForChild(childKey);\r\n    };\r\n    /**\r\n     * @param {!string} key\r\n     * @return {boolean}\r\n     */\r\n    CacheNode.prototype.isCompleteForChild = function (key) {\r\n        return ((this.isFullyInitialized() && !this.filtered_) || this.node_.hasChild(key));\r\n    };\r\n    /**\r\n     * @return {!Node}\r\n     */\r\n    CacheNode.prototype.getNode = function () {\r\n        return this.node_;\r\n    };\r\n    return CacheNode;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * Stores the data we have cached for a view.\r\n *\r\n * serverSnap is the cached server data, eventSnap is the cached event data (server data plus any local writes).\r\n *\r\n * @constructor\r\n */\r\nvar ViewCache = /** @class */ (function () {\r\n    /**\r\n     *\r\n     * @param {!CacheNode} eventCache_\r\n     * @param {!CacheNode} serverCache_\r\n     */\r\n    function ViewCache(eventCache_, serverCache_) {\r\n        this.eventCache_ = eventCache_;\r\n        this.serverCache_ = serverCache_;\r\n    }\r\n    /**\r\n     * @param {!Node} eventSnap\r\n     * @param {boolean} complete\r\n     * @param {boolean} filtered\r\n     * @return {!ViewCache}\r\n     */\r\n    ViewCache.prototype.updateEventSnap = function (eventSnap, complete, filtered) {\r\n        return new ViewCache(new CacheNode(eventSnap, complete, filtered), this.serverCache_);\r\n    };\r\n    /**\r\n     * @param {!Node} serverSnap\r\n     * @param {boolean} complete\r\n     * @param {boolean} filtered\r\n     * @return {!ViewCache}\r\n     */\r\n    ViewCache.prototype.updateServerSnap = function (serverSnap, complete, filtered) {\r\n        return new ViewCache(this.eventCache_, new CacheNode(serverSnap, complete, filtered));\r\n    };\r\n    /**\r\n     * @return {!CacheNode}\r\n     */\r\n    ViewCache.prototype.getEventCache = function () {\r\n        return this.eventCache_;\r\n    };\r\n    /**\r\n     * @return {?Node}\r\n     */\r\n    ViewCache.prototype.getCompleteEventSnap = function () {\r\n        return this.eventCache_.isFullyInitialized()\r\n            ? this.eventCache_.getNode()\r\n            : null;\r\n    };\r\n    /**\r\n     * @return {!CacheNode}\r\n     */\r\n    ViewCache.prototype.getServerCache = function () {\r\n        return this.serverCache_;\r\n    };\r\n    /**\r\n     * @return {?Node}\r\n     */\r\n    ViewCache.prototype.getCompleteServerSnap = function () {\r\n        return this.serverCache_.isFullyInitialized()\r\n            ? this.serverCache_.getNode()\r\n            : null;\r\n    };\r\n    /**\r\n     * @const\r\n     * @type {ViewCache}\r\n     */\r\n    ViewCache.Empty = new ViewCache(new CacheNode(ChildrenNode.EMPTY_NODE, \r\n    /*fullyInitialized=*/ false, \r\n    /*filtered=*/ false), new CacheNode(ChildrenNode.EMPTY_NODE, \r\n    /*fullyInitialized=*/ false, \r\n    /*filtered=*/ false));\r\n    return ViewCache;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * @constructor\r\n * @struct\r\n * @param {!string} type The event type\r\n * @param {!Node} snapshotNode The data\r\n * @param {string=} childName The name for this child, if it's a child event\r\n * @param {Node=} oldSnap Used for intermediate processing of child changed events\r\n * @param {string=} prevName The name for the previous child, if applicable\r\n */\r\nvar Change = /** @class */ (function () {\r\n    function Change(type, snapshotNode, childName, oldSnap, prevName) {\r\n        this.type = type;\r\n        this.snapshotNode = snapshotNode;\r\n        this.childName = childName;\r\n        this.oldSnap = oldSnap;\r\n        this.prevName = prevName;\r\n    }\r\n    /**\r\n     * @param {!Node} snapshot\r\n     * @return {!Change}\r\n     */\r\n    Change.valueChange = function (snapshot) {\r\n        return new Change(Change.VALUE, snapshot);\r\n    };\r\n    /**\r\n     * @param {string} childKey\r\n     * @param {!Node} snapshot\r\n     * @return {!Change}\r\n     */\r\n    Change.childAddedChange = function (childKey, snapshot) {\r\n        return new Change(Change.CHILD_ADDED, snapshot, childKey);\r\n    };\r\n    /**\r\n     * @param {string} childKey\r\n     * @param {!Node} snapshot\r\n     * @return {!Change}\r\n     */\r\n    Change.childRemovedChange = function (childKey, snapshot) {\r\n        return new Change(Change.CHILD_REMOVED, snapshot, childKey);\r\n    };\r\n    /**\r\n     * @param {string} childKey\r\n     * @param {!Node} newSnapshot\r\n     * @param {!Node} oldSnapshot\r\n     * @return {!Change}\r\n     */\r\n    Change.childChangedChange = function (childKey, newSnapshot, oldSnapshot) {\r\n        return new Change(Change.CHILD_CHANGED, newSnapshot, childKey, oldSnapshot);\r\n    };\r\n    /**\r\n     * @param {string} childKey\r\n     * @param {!Node} snapshot\r\n     * @return {!Change}\r\n     */\r\n    Change.childMovedChange = function (childKey, snapshot) {\r\n        return new Change(Change.CHILD_MOVED, snapshot, childKey);\r\n    };\r\n    //event types\r\n    /** Event type for a child added */\r\n    Change.CHILD_ADDED = 'child_added';\r\n    /** Event type for a child removed */\r\n    Change.CHILD_REMOVED = 'child_removed';\r\n    /** Event type for a child changed */\r\n    Change.CHILD_CHANGED = 'child_changed';\r\n    /** Event type for a child moved */\r\n    Change.CHILD_MOVED = 'child_moved';\r\n    /** Event type for a value change */\r\n    Change.VALUE = 'value';\r\n    return Change;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * Doesn't really filter nodes but applies an index to the node and keeps track of any changes\r\n *\r\n * @constructor\r\n * @implements {NodeFilter}\r\n * @param {!Index} index\r\n */\r\nvar IndexedFilter = /** @class */ (function () {\r\n    function IndexedFilter(index_) {\r\n        this.index_ = index_;\r\n    }\r\n    IndexedFilter.prototype.updateChild = function (snap, key, newChild, affectedPath, source, optChangeAccumulator) {\r\n        util.assert(snap.isIndexed(this.index_), 'A node must be indexed if only a child is updated');\r\n        var oldChild = snap.getImmediateChild(key);\r\n        // Check if anything actually changed.\r\n        if (oldChild.getChild(affectedPath).equals(newChild.getChild(affectedPath))) {\r\n            // There's an edge case where a child can enter or leave the view because affectedPath was set to null.\r\n            // In this case, affectedPath will appear null in both the old and new snapshots.  So we need\r\n            // to avoid treating these cases as \"nothing changed.\"\r\n            if (oldChild.isEmpty() === newChild.isEmpty()) {\r\n                // Nothing changed.\r\n                // This assert should be valid, but it's expensive (can dominate perf testing) so don't actually do it.\r\n                //assert(oldChild.equals(newChild), 'Old and new snapshots should be equal.');\r\n                return snap;\r\n            }\r\n        }\r\n        if (optChangeAccumulator != null) {\r\n            if (newChild.isEmpty()) {\r\n                if (snap.hasChild(key)) {\r\n                    optChangeAccumulator.trackChildChange(Change.childRemovedChange(key, oldChild));\r\n                }\r\n                else {\r\n                    util.assert(snap.isLeafNode(), 'A child remove without an old child only makes sense on a leaf node');\r\n                }\r\n            }\r\n            else if (oldChild.isEmpty()) {\r\n                optChangeAccumulator.trackChildChange(Change.childAddedChange(key, newChild));\r\n            }\r\n            else {\r\n                optChangeAccumulator.trackChildChange(Change.childChangedChange(key, newChild, oldChild));\r\n            }\r\n        }\r\n        if (snap.isLeafNode() && newChild.isEmpty()) {\r\n            return snap;\r\n        }\r\n        else {\r\n            // Make sure the node is indexed\r\n            return snap.updateImmediateChild(key, newChild).withIndex(this.index_);\r\n        }\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    IndexedFilter.prototype.updateFullNode = function (oldSnap, newSnap, optChangeAccumulator) {\r\n        if (optChangeAccumulator != null) {\r\n            if (!oldSnap.isLeafNode()) {\r\n                oldSnap.forEachChild(PRIORITY_INDEX, function (key, childNode) {\r\n                    if (!newSnap.hasChild(key)) {\r\n                        optChangeAccumulator.trackChildChange(Change.childRemovedChange(key, childNode));\r\n                    }\r\n                });\r\n            }\r\n            if (!newSnap.isLeafNode()) {\r\n                newSnap.forEachChild(PRIORITY_INDEX, function (key, childNode) {\r\n                    if (oldSnap.hasChild(key)) {\r\n                        var oldChild = oldSnap.getImmediateChild(key);\r\n                        if (!oldChild.equals(childNode)) {\r\n                            optChangeAccumulator.trackChildChange(Change.childChangedChange(key, childNode, oldChild));\r\n                        }\r\n                    }\r\n                    else {\r\n                        optChangeAccumulator.trackChildChange(Change.childAddedChange(key, childNode));\r\n                    }\r\n                });\r\n            }\r\n        }\r\n        return newSnap.withIndex(this.index_);\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    IndexedFilter.prototype.updatePriority = function (oldSnap, newPriority) {\r\n        if (oldSnap.isEmpty()) {\r\n            return ChildrenNode.EMPTY_NODE;\r\n        }\r\n        else {\r\n            return oldSnap.updatePriority(newPriority);\r\n        }\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    IndexedFilter.prototype.filtersNodes = function () {\r\n        return false;\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    IndexedFilter.prototype.getIndexedFilter = function () {\r\n        return this;\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    IndexedFilter.prototype.getIndex = function () {\r\n        return this.index_;\r\n    };\r\n    return IndexedFilter;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nvar ChildChangeAccumulator = /** @class */ (function () {\r\n    function ChildChangeAccumulator() {\r\n        this.changeMap = new Map();\r\n    }\r\n    ChildChangeAccumulator.prototype.trackChildChange = function (change) {\r\n        var type = change.type;\r\n        var childKey = change.childName;\r\n        util.assert(type === Change.CHILD_ADDED ||\r\n            type === Change.CHILD_CHANGED ||\r\n            type === Change.CHILD_REMOVED, 'Only child changes supported for tracking');\r\n        util.assert(childKey !== '.priority', 'Only non-priority child changes can be tracked.');\r\n        var oldChange = this.changeMap.get(childKey);\r\n        if (oldChange) {\r\n            var oldType = oldChange.type;\r\n            if (type === Change.CHILD_ADDED && oldType === Change.CHILD_REMOVED) {\r\n                this.changeMap.set(childKey, Change.childChangedChange(childKey, change.snapshotNode, oldChange.snapshotNode));\r\n            }\r\n            else if (type === Change.CHILD_REMOVED &&\r\n                oldType === Change.CHILD_ADDED) {\r\n                this.changeMap.delete(childKey);\r\n            }\r\n            else if (type === Change.CHILD_REMOVED &&\r\n                oldType === Change.CHILD_CHANGED) {\r\n                this.changeMap.set(childKey, Change.childRemovedChange(childKey, oldChange.oldSnap));\r\n            }\r\n            else if (type === Change.CHILD_CHANGED &&\r\n                oldType === Change.CHILD_ADDED) {\r\n                this.changeMap.set(childKey, Change.childAddedChange(childKey, change.snapshotNode));\r\n            }\r\n            else if (type === Change.CHILD_CHANGED &&\r\n                oldType === Change.CHILD_CHANGED) {\r\n                this.changeMap.set(childKey, Change.childChangedChange(childKey, change.snapshotNode, oldChange.oldSnap));\r\n            }\r\n            else {\r\n                throw util.assertionError('Illegal combination of changes: ' +\r\n                    change +\r\n                    ' occurred after ' +\r\n                    oldChange);\r\n            }\r\n        }\r\n        else {\r\n            this.changeMap.set(childKey, change);\r\n        }\r\n    };\r\n    ChildChangeAccumulator.prototype.getChanges = function () {\r\n        return Array.from(this.changeMap.values());\r\n    };\r\n    return ChildChangeAccumulator;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * An implementation of CompleteChildSource that never returns any additional children\r\n *\r\n * @private\r\n * @constructor\r\n * @implements CompleteChildSource\r\n */\r\n// eslint-disable-next-line @typescript-eslint/naming-convention\r\nvar NoCompleteChildSource_ = /** @class */ (function () {\r\n    function NoCompleteChildSource_() {\r\n    }\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    NoCompleteChildSource_.prototype.getCompleteChild = function (childKey) {\r\n        return null;\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    NoCompleteChildSource_.prototype.getChildAfterChild = function (index, child, reverse) {\r\n        return null;\r\n    };\r\n    return NoCompleteChildSource_;\r\n}());\r\n/**\r\n * Singleton instance.\r\n * @const\r\n * @type {!CompleteChildSource}\r\n */\r\nvar NO_COMPLETE_CHILD_SOURCE = new NoCompleteChildSource_();\r\n/**\r\n * An implementation of CompleteChildSource that uses a WriteTree in addition to any other server data or\r\n * old event caches available to calculate complete children.\r\n *\r\n *\r\n * @implements CompleteChildSource\r\n */\r\nvar WriteTreeCompleteChildSource = /** @class */ (function () {\r\n    /**\r\n     * @param {!WriteTreeRef} writes_\r\n     * @param {!ViewCache} viewCache_\r\n     * @param {?Node} optCompleteServerCache_\r\n     */\r\n    function WriteTreeCompleteChildSource(writes_, viewCache_, optCompleteServerCache_) {\r\n        if (optCompleteServerCache_ === void 0) { optCompleteServerCache_ = null; }\r\n        this.writes_ = writes_;\r\n        this.viewCache_ = viewCache_;\r\n        this.optCompleteServerCache_ = optCompleteServerCache_;\r\n    }\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    WriteTreeCompleteChildSource.prototype.getCompleteChild = function (childKey) {\r\n        var node = this.viewCache_.getEventCache();\r\n        if (node.isCompleteForChild(childKey)) {\r\n            return node.getNode().getImmediateChild(childKey);\r\n        }\r\n        else {\r\n            var serverNode = this.optCompleteServerCache_ != null\r\n                ? new CacheNode(this.optCompleteServerCache_, true, false)\r\n                : this.viewCache_.getServerCache();\r\n            return this.writes_.calcCompleteChild(childKey, serverNode);\r\n        }\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    WriteTreeCompleteChildSource.prototype.getChildAfterChild = function (index, child, reverse) {\r\n        var completeServerData = this.optCompleteServerCache_ != null\r\n            ? this.optCompleteServerCache_\r\n            : this.viewCache_.getCompleteServerSnap();\r\n        var nodes = this.writes_.calcIndexedSlice(completeServerData, child, 1, reverse, index);\r\n        if (nodes.length === 0) {\r\n            return null;\r\n        }\r\n        else {\r\n            return nodes[0];\r\n        }\r\n    };\r\n    return WriteTreeCompleteChildSource;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * @constructor\r\n * @struct\r\n */\r\nvar ProcessorResult = /** @class */ (function () {\r\n    /**\r\n     * @param {!ViewCache} viewCache\r\n     * @param {!Array.<!Change>} changes\r\n     */\r\n    function ProcessorResult(viewCache, changes) {\r\n        this.viewCache = viewCache;\r\n        this.changes = changes;\r\n    }\r\n    return ProcessorResult;\r\n}());\r\n/**\r\n * @constructor\r\n */\r\nvar ViewProcessor = /** @class */ (function () {\r\n    /**\r\n     * @param {!NodeFilter} filter_\r\n     */\r\n    function ViewProcessor(filter_) {\r\n        this.filter_ = filter_;\r\n    }\r\n    /**\r\n     * @param {!ViewCache} viewCache\r\n     */\r\n    ViewProcessor.prototype.assertIndexed = function (viewCache) {\r\n        util.assert(viewCache.getEventCache().getNode().isIndexed(this.filter_.getIndex()), 'Event snap not indexed');\r\n        util.assert(viewCache.getServerCache().getNode().isIndexed(this.filter_.getIndex()), 'Server snap not indexed');\r\n    };\r\n    /**\r\n     * @param {!ViewCache} oldViewCache\r\n     * @param {!Operation} operation\r\n     * @param {!WriteTreeRef} writesCache\r\n     * @param {?Node} completeCache\r\n     * @return {!ProcessorResult}\r\n     */\r\n    ViewProcessor.prototype.applyOperation = function (oldViewCache, operation, writesCache, completeCache) {\r\n        var accumulator = new ChildChangeAccumulator();\r\n        var newViewCache, filterServerNode;\r\n        if (operation.type === OperationType.OVERWRITE) {\r\n            var overwrite = operation;\r\n            if (overwrite.source.fromUser) {\r\n                newViewCache = this.applyUserOverwrite_(oldViewCache, overwrite.path, overwrite.snap, writesCache, completeCache, accumulator);\r\n            }\r\n            else {\r\n                util.assert(overwrite.source.fromServer, 'Unknown source.');\r\n                // We filter the node if it's a tagged update or the node has been previously filtered  and the\r\n                // update is not at the root in which case it is ok (and necessary) to mark the node unfiltered\r\n                // again\r\n                filterServerNode =\r\n                    overwrite.source.tagged ||\r\n                        (oldViewCache.getServerCache().isFiltered() &&\r\n                            !overwrite.path.isEmpty());\r\n                newViewCache = this.applyServerOverwrite_(oldViewCache, overwrite.path, overwrite.snap, writesCache, completeCache, filterServerNode, accumulator);\r\n            }\r\n        }\r\n        else if (operation.type === OperationType.MERGE) {\r\n            var merge = operation;\r\n            if (merge.source.fromUser) {\r\n                newViewCache = this.applyUserMerge_(oldViewCache, merge.path, merge.children, writesCache, completeCache, accumulator);\r\n            }\r\n            else {\r\n                util.assert(merge.source.fromServer, 'Unknown source.');\r\n                // We filter the node if it's a tagged update or the node has been previously filtered\r\n                filterServerNode =\r\n                    merge.source.tagged || oldViewCache.getServerCache().isFiltered();\r\n                newViewCache = this.applyServerMerge_(oldViewCache, merge.path, merge.children, writesCache, completeCache, filterServerNode, accumulator);\r\n            }\r\n        }\r\n        else if (operation.type === OperationType.ACK_USER_WRITE) {\r\n            var ackUserWrite = operation;\r\n            if (!ackUserWrite.revert) {\r\n                newViewCache = this.ackUserWrite_(oldViewCache, ackUserWrite.path, ackUserWrite.affectedTree, writesCache, completeCache, accumulator);\r\n            }\r\n            else {\r\n                newViewCache = this.revertUserWrite_(oldViewCache, ackUserWrite.path, writesCache, completeCache, accumulator);\r\n            }\r\n        }\r\n        else if (operation.type === OperationType.LISTEN_COMPLETE) {\r\n            newViewCache = this.listenComplete_(oldViewCache, operation.path, writesCache, accumulator);\r\n        }\r\n        else {\r\n            throw util.assertionError('Unknown operation type: ' + operation.type);\r\n        }\r\n        var changes = accumulator.getChanges();\r\n        ViewProcessor.maybeAddValueEvent_(oldViewCache, newViewCache, changes);\r\n        return new ProcessorResult(newViewCache, changes);\r\n    };\r\n    /**\r\n     * @param {!ViewCache} oldViewCache\r\n     * @param {!ViewCache} newViewCache\r\n     * @param {!Array.<!Change>} accumulator\r\n     * @private\r\n     */\r\n    ViewProcessor.maybeAddValueEvent_ = function (oldViewCache, newViewCache, accumulator) {\r\n        var eventSnap = newViewCache.getEventCache();\r\n        if (eventSnap.isFullyInitialized()) {\r\n            var isLeafOrEmpty = eventSnap.getNode().isLeafNode() || eventSnap.getNode().isEmpty();\r\n            var oldCompleteSnap = oldViewCache.getCompleteEventSnap();\r\n            if (accumulator.length > 0 ||\r\n                !oldViewCache.getEventCache().isFullyInitialized() ||\r\n                (isLeafOrEmpty &&\r\n                    !eventSnap.getNode().equals(/** @type {!Node} */ oldCompleteSnap)) ||\r\n                !eventSnap.getNode().getPriority().equals(oldCompleteSnap.getPriority())) {\r\n                accumulator.push(Change.valueChange(\r\n                /** @type {!Node} */ newViewCache.getCompleteEventSnap()));\r\n            }\r\n        }\r\n    };\r\n    /**\r\n     * @param {!ViewCache} viewCache\r\n     * @param {!Path} changePath\r\n     * @param {!WriteTreeRef} writesCache\r\n     * @param {!CompleteChildSource} source\r\n     * @param {!ChildChangeAccumulator} accumulator\r\n     * @return {!ViewCache}\r\n     * @private\r\n     */\r\n    ViewProcessor.prototype.generateEventCacheAfterServerEvent_ = function (viewCache, changePath, writesCache, source, accumulator) {\r\n        var oldEventSnap = viewCache.getEventCache();\r\n        if (writesCache.shadowingWrite(changePath) != null) {\r\n            // we have a shadowing write, ignore changes\r\n            return viewCache;\r\n        }\r\n        else {\r\n            var newEventCache = void 0, serverNode = void 0;\r\n            if (changePath.isEmpty()) {\r\n                // TODO: figure out how this plays with \"sliding ack windows\"\r\n                util.assert(viewCache.getServerCache().isFullyInitialized(), 'If change path is empty, we must have complete server data');\r\n                if (viewCache.getServerCache().isFiltered()) {\r\n                    // We need to special case this, because we need to only apply writes to complete children, or\r\n                    // we might end up raising events for incomplete children. If the server data is filtered deep\r\n                    // writes cannot be guaranteed to be complete\r\n                    var serverCache = viewCache.getCompleteServerSnap();\r\n                    var completeChildren = serverCache instanceof ChildrenNode\r\n                        ? serverCache\r\n                        : ChildrenNode.EMPTY_NODE;\r\n                    var completeEventChildren = writesCache.calcCompleteEventChildren(completeChildren);\r\n                    newEventCache = this.filter_.updateFullNode(viewCache.getEventCache().getNode(), completeEventChildren, accumulator);\r\n                }\r\n                else {\r\n                    var completeNode = writesCache.calcCompleteEventCache(viewCache.getCompleteServerSnap());\r\n                    newEventCache = this.filter_.updateFullNode(viewCache.getEventCache().getNode(), completeNode, accumulator);\r\n                }\r\n            }\r\n            else {\r\n                var childKey = changePath.getFront();\r\n                if (childKey === '.priority') {\r\n                    util.assert(changePath.getLength() === 1, \"Can't have a priority with additional path components\");\r\n                    var oldEventNode = oldEventSnap.getNode();\r\n                    serverNode = viewCache.getServerCache().getNode();\r\n                    // we might have overwrites for this priority\r\n                    var updatedPriority = writesCache.calcEventCacheAfterServerOverwrite(changePath, oldEventNode, serverNode);\r\n                    if (updatedPriority != null) {\r\n                        newEventCache = this.filter_.updatePriority(oldEventNode, updatedPriority);\r\n                    }\r\n                    else {\r\n                        // priority didn't change, keep old node\r\n                        newEventCache = oldEventSnap.getNode();\r\n                    }\r\n                }\r\n                else {\r\n                    var childChangePath = changePath.popFront();\r\n                    // update child\r\n                    var newEventChild = void 0;\r\n                    if (oldEventSnap.isCompleteForChild(childKey)) {\r\n                        serverNode = viewCache.getServerCache().getNode();\r\n                        var eventChildUpdate = writesCache.calcEventCacheAfterServerOverwrite(changePath, oldEventSnap.getNode(), serverNode);\r\n                        if (eventChildUpdate != null) {\r\n                            newEventChild = oldEventSnap\r\n                                .getNode()\r\n                                .getImmediateChild(childKey)\r\n                                .updateChild(childChangePath, eventChildUpdate);\r\n                        }\r\n                        else {\r\n                            // Nothing changed, just keep the old child\r\n                            newEventChild = oldEventSnap\r\n                                .getNode()\r\n                                .getImmediateChild(childKey);\r\n                        }\r\n                    }\r\n                    else {\r\n                        newEventChild = writesCache.calcCompleteChild(childKey, viewCache.getServerCache());\r\n                    }\r\n                    if (newEventChild != null) {\r\n                        newEventCache = this.filter_.updateChild(oldEventSnap.getNode(), childKey, newEventChild, childChangePath, source, accumulator);\r\n                    }\r\n                    else {\r\n                        // no complete child available or no change\r\n                        newEventCache = oldEventSnap.getNode();\r\n                    }\r\n                }\r\n            }\r\n            return viewCache.updateEventSnap(newEventCache, oldEventSnap.isFullyInitialized() || changePath.isEmpty(), this.filter_.filtersNodes());\r\n        }\r\n    };\r\n    /**\r\n     * @param {!ViewCache} oldViewCache\r\n     * @param {!Path} changePath\r\n     * @param {!Node} changedSnap\r\n     * @param {!WriteTreeRef} writesCache\r\n     * @param {?Node} completeCache\r\n     * @param {boolean} filterServerNode\r\n     * @param {!ChildChangeAccumulator} accumulator\r\n     * @return {!ViewCache}\r\n     * @private\r\n     */\r\n    ViewProcessor.prototype.applyServerOverwrite_ = function (oldViewCache, changePath, changedSnap, writesCache, completeCache, filterServerNode, accumulator) {\r\n        var oldServerSnap = oldViewCache.getServerCache();\r\n        var newServerCache;\r\n        var serverFilter = filterServerNode\r\n            ? this.filter_\r\n            : this.filter_.getIndexedFilter();\r\n        if (changePath.isEmpty()) {\r\n            newServerCache = serverFilter.updateFullNode(oldServerSnap.getNode(), changedSnap, null);\r\n        }\r\n        else if (serverFilter.filtersNodes() && !oldServerSnap.isFiltered()) {\r\n            // we want to filter the server node, but we didn't filter the server node yet, so simulate a full update\r\n            var newServerNode = oldServerSnap\r\n                .getNode()\r\n                .updateChild(changePath, changedSnap);\r\n            newServerCache = serverFilter.updateFullNode(oldServerSnap.getNode(), newServerNode, null);\r\n        }\r\n        else {\r\n            var childKey = changePath.getFront();\r\n            if (!oldServerSnap.isCompleteForPath(changePath) &&\r\n                changePath.getLength() > 1) {\r\n                // We don't update incomplete nodes with updates intended for other listeners\r\n                return oldViewCache;\r\n            }\r\n            var childChangePath = changePath.popFront();\r\n            var childNode = oldServerSnap.getNode().getImmediateChild(childKey);\r\n            var newChildNode = childNode.updateChild(childChangePath, changedSnap);\r\n            if (childKey === '.priority') {\r\n                newServerCache = serverFilter.updatePriority(oldServerSnap.getNode(), newChildNode);\r\n            }\r\n            else {\r\n                newServerCache = serverFilter.updateChild(oldServerSnap.getNode(), childKey, newChildNode, childChangePath, NO_COMPLETE_CHILD_SOURCE, null);\r\n            }\r\n        }\r\n        var newViewCache = oldViewCache.updateServerSnap(newServerCache, oldServerSnap.isFullyInitialized() || changePath.isEmpty(), serverFilter.filtersNodes());\r\n        var source = new WriteTreeCompleteChildSource(writesCache, newViewCache, completeCache);\r\n        return this.generateEventCacheAfterServerEvent_(newViewCache, changePath, writesCache, source, accumulator);\r\n    };\r\n    /**\r\n     * @param {!ViewCache} oldViewCache\r\n     * @param {!Path} changePath\r\n     * @param {!Node} changedSnap\r\n     * @param {!WriteTreeRef} writesCache\r\n     * @param {?Node} completeCache\r\n     * @param {!ChildChangeAccumulator} accumulator\r\n     * @return {!ViewCache}\r\n     * @private\r\n     */\r\n    ViewProcessor.prototype.applyUserOverwrite_ = function (oldViewCache, changePath, changedSnap, writesCache, completeCache, accumulator) {\r\n        var oldEventSnap = oldViewCache.getEventCache();\r\n        var newViewCache, newEventCache;\r\n        var source = new WriteTreeCompleteChildSource(writesCache, oldViewCache, completeCache);\r\n        if (changePath.isEmpty()) {\r\n            newEventCache = this.filter_.updateFullNode(oldViewCache.getEventCache().getNode(), changedSnap, accumulator);\r\n            newViewCache = oldViewCache.updateEventSnap(newEventCache, true, this.filter_.filtersNodes());\r\n        }\r\n        else {\r\n            var childKey = changePath.getFront();\r\n            if (childKey === '.priority') {\r\n                newEventCache = this.filter_.updatePriority(oldViewCache.getEventCache().getNode(), changedSnap);\r\n                newViewCache = oldViewCache.updateEventSnap(newEventCache, oldEventSnap.isFullyInitialized(), oldEventSnap.isFiltered());\r\n            }\r\n            else {\r\n                var childChangePath = changePath.popFront();\r\n                var oldChild = oldEventSnap.getNode().getImmediateChild(childKey);\r\n                var newChild = void 0;\r\n                if (childChangePath.isEmpty()) {\r\n                    // Child overwrite, we can replace the child\r\n                    newChild = changedSnap;\r\n                }\r\n                else {\r\n                    var childNode = source.getCompleteChild(childKey);\r\n                    if (childNode != null) {\r\n                        if (childChangePath.getBack() === '.priority' &&\r\n                            childNode.getChild(childChangePath.parent()).isEmpty()) {\r\n                            // This is a priority update on an empty node. If this node exists on the server, the\r\n                            // server will send down the priority in the update, so ignore for now\r\n                            newChild = childNode;\r\n                        }\r\n                        else {\r\n                            newChild = childNode.updateChild(childChangePath, changedSnap);\r\n                        }\r\n                    }\r\n                    else {\r\n                        // There is no complete child node available\r\n                        newChild = ChildrenNode.EMPTY_NODE;\r\n                    }\r\n                }\r\n                if (!oldChild.equals(newChild)) {\r\n                    var newEventSnap = this.filter_.updateChild(oldEventSnap.getNode(), childKey, newChild, childChangePath, source, accumulator);\r\n                    newViewCache = oldViewCache.updateEventSnap(newEventSnap, oldEventSnap.isFullyInitialized(), this.filter_.filtersNodes());\r\n                }\r\n                else {\r\n                    newViewCache = oldViewCache;\r\n                }\r\n            }\r\n        }\r\n        return newViewCache;\r\n    };\r\n    /**\r\n     * @param {!ViewCache} viewCache\r\n     * @param {string} childKey\r\n     * @return {boolean}\r\n     * @private\r\n     */\r\n    ViewProcessor.cacheHasChild_ = function (viewCache, childKey) {\r\n        return viewCache.getEventCache().isCompleteForChild(childKey);\r\n    };\r\n    /**\r\n     * @param {!ViewCache} viewCache\r\n     * @param {!Path} path\r\n     * @param {ImmutableTree.<!Node>} changedChildren\r\n     * @param {!WriteTreeRef} writesCache\r\n     * @param {?Node} serverCache\r\n     * @param {!ChildChangeAccumulator} accumulator\r\n     * @return {!ViewCache}\r\n     * @private\r\n     */\r\n    ViewProcessor.prototype.applyUserMerge_ = function (viewCache, path, changedChildren, writesCache, serverCache, accumulator) {\r\n        var _this = this;\r\n        // HACK: In the case of a limit query, there may be some changes that bump things out of the\r\n        // window leaving room for new items.  It's important we process these changes first, so we\r\n        // iterate the changes twice, first processing any that affect items currently in view.\r\n        // TODO: I consider an item \"in view\" if cacheHasChild is true, which checks both the server\r\n        // and event snap.  I'm not sure if this will result in edge cases when a child is in one but\r\n        // not the other.\r\n        var curViewCache = viewCache;\r\n        changedChildren.foreach(function (relativePath, childNode) {\r\n            var writePath = path.child(relativePath);\r\n            if (ViewProcessor.cacheHasChild_(viewCache, writePath.getFront())) {\r\n                curViewCache = _this.applyUserOverwrite_(curViewCache, writePath, childNode, writesCache, serverCache, accumulator);\r\n            }\r\n        });\r\n        changedChildren.foreach(function (relativePath, childNode) {\r\n            var writePath = path.child(relativePath);\r\n            if (!ViewProcessor.cacheHasChild_(viewCache, writePath.getFront())) {\r\n                curViewCache = _this.applyUserOverwrite_(curViewCache, writePath, childNode, writesCache, serverCache, accumulator);\r\n            }\r\n        });\r\n        return curViewCache;\r\n    };\r\n    /**\r\n     * @param {!Node} node\r\n     * @param {ImmutableTree.<!Node>} merge\r\n     * @return {!Node}\r\n     * @private\r\n     */\r\n    ViewProcessor.prototype.applyMerge_ = function (node, merge) {\r\n        merge.foreach(function (relativePath, childNode) {\r\n            node = node.updateChild(relativePath, childNode);\r\n        });\r\n        return node;\r\n    };\r\n    /**\r\n     * @param {!ViewCache} viewCache\r\n     * @param {!Path} path\r\n     * @param {!ImmutableTree.<!Node>} changedChildren\r\n     * @param {!WriteTreeRef} writesCache\r\n     * @param {?Node} serverCache\r\n     * @param {boolean} filterServerNode\r\n     * @param {!ChildChangeAccumulator} accumulator\r\n     * @return {!ViewCache}\r\n     * @private\r\n     */\r\n    ViewProcessor.prototype.applyServerMerge_ = function (viewCache, path, changedChildren, writesCache, serverCache, filterServerNode, accumulator) {\r\n        var _this = this;\r\n        // If we don't have a cache yet, this merge was intended for a previously listen in the same location. Ignore it and\r\n        // wait for the complete data update coming soon.\r\n        if (viewCache.getServerCache().getNode().isEmpty() &&\r\n            !viewCache.getServerCache().isFullyInitialized()) {\r\n            return viewCache;\r\n        }\r\n        // HACK: In the case of a limit query, there may be some changes that bump things out of the\r\n        // window leaving room for new items.  It's important we process these changes first, so we\r\n        // iterate the changes twice, first processing any that affect items currently in view.\r\n        // TODO: I consider an item \"in view\" if cacheHasChild is true, which checks both the server\r\n        // and event snap.  I'm not sure if this will result in edge cases when a child is in one but\r\n        // not the other.\r\n        var curViewCache = viewCache;\r\n        var viewMergeTree;\r\n        if (path.isEmpty()) {\r\n            viewMergeTree = changedChildren;\r\n        }\r\n        else {\r\n            viewMergeTree = ImmutableTree.Empty.setTree(path, changedChildren);\r\n        }\r\n        var serverNode = viewCache.getServerCache().getNode();\r\n        viewMergeTree.children.inorderTraversal(function (childKey, childTree) {\r\n            if (serverNode.hasChild(childKey)) {\r\n                var serverChild = viewCache\r\n                    .getServerCache()\r\n                    .getNode()\r\n                    .getImmediateChild(childKey);\r\n                var newChild = _this.applyMerge_(serverChild, childTree);\r\n                curViewCache = _this.applyServerOverwrite_(curViewCache, new Path(childKey), newChild, writesCache, serverCache, filterServerNode, accumulator);\r\n            }\r\n        });\r\n        viewMergeTree.children.inorderTraversal(function (childKey, childMergeTree) {\r\n            var isUnknownDeepMerge = !viewCache.getServerCache().isCompleteForChild(childKey) &&\r\n                childMergeTree.value == null;\r\n            if (!serverNode.hasChild(childKey) && !isUnknownDeepMerge) {\r\n                var serverChild = viewCache\r\n                    .getServerCache()\r\n                    .getNode()\r\n                    .getImmediateChild(childKey);\r\n                var newChild = _this.applyMerge_(serverChild, childMergeTree);\r\n                curViewCache = _this.applyServerOverwrite_(curViewCache, new Path(childKey), newChild, writesCache, serverCache, filterServerNode, accumulator);\r\n            }\r\n        });\r\n        return curViewCache;\r\n    };\r\n    /**\r\n     * @param {!ViewCache} viewCache\r\n     * @param {!Path} ackPath\r\n     * @param {!ImmutableTree<!boolean>} affectedTree\r\n     * @param {!WriteTreeRef} writesCache\r\n     * @param {?Node} completeCache\r\n     * @param {!ChildChangeAccumulator} accumulator\r\n     * @return {!ViewCache}\r\n     * @private\r\n     */\r\n    ViewProcessor.prototype.ackUserWrite_ = function (viewCache, ackPath, affectedTree, writesCache, completeCache, accumulator) {\r\n        if (writesCache.shadowingWrite(ackPath) != null) {\r\n            return viewCache;\r\n        }\r\n        // Only filter server node if it is currently filtered\r\n        var filterServerNode = viewCache.getServerCache().isFiltered();\r\n        // Essentially we'll just get our existing server cache for the affected paths and re-apply it as a server update\r\n        // now that it won't be shadowed.\r\n        var serverCache = viewCache.getServerCache();\r\n        if (affectedTree.value != null) {\r\n            // This is an overwrite.\r\n            if ((ackPath.isEmpty() && serverCache.isFullyInitialized()) ||\r\n                serverCache.isCompleteForPath(ackPath)) {\r\n                return this.applyServerOverwrite_(viewCache, ackPath, serverCache.getNode().getChild(ackPath), writesCache, completeCache, filterServerNode, accumulator);\r\n            }\r\n            else if (ackPath.isEmpty()) {\r\n                // This is a goofy edge case where we are acking data at this location but don't have full data.  We\r\n                // should just re-apply whatever we have in our cache as a merge.\r\n                var changedChildren_1 = ImmutableTree.Empty;\r\n                serverCache.getNode().forEachChild(KEY_INDEX, function (name, node) {\r\n                    changedChildren_1 = changedChildren_1.set(new Path(name), node);\r\n                });\r\n                return this.applyServerMerge_(viewCache, ackPath, changedChildren_1, writesCache, completeCache, filterServerNode, accumulator);\r\n            }\r\n            else {\r\n                return viewCache;\r\n            }\r\n        }\r\n        else {\r\n            // This is a merge.\r\n            var changedChildren_2 = ImmutableTree.Empty;\r\n            affectedTree.foreach(function (mergePath, value) {\r\n                var serverCachePath = ackPath.child(mergePath);\r\n                if (serverCache.isCompleteForPath(serverCachePath)) {\r\n                    changedChildren_2 = changedChildren_2.set(mergePath, serverCache.getNode().getChild(serverCachePath));\r\n                }\r\n            });\r\n            return this.applyServerMerge_(viewCache, ackPath, changedChildren_2, writesCache, completeCache, filterServerNode, accumulator);\r\n        }\r\n    };\r\n    /**\r\n     * @param {!ViewCache} viewCache\r\n     * @param {!Path} path\r\n     * @param {!WriteTreeRef} writesCache\r\n     * @param {!ChildChangeAccumulator} accumulator\r\n     * @return {!ViewCache}\r\n     * @private\r\n     */\r\n    ViewProcessor.prototype.listenComplete_ = function (viewCache, path, writesCache, accumulator) {\r\n        var oldServerNode = viewCache.getServerCache();\r\n        var newViewCache = viewCache.updateServerSnap(oldServerNode.getNode(), oldServerNode.isFullyInitialized() || path.isEmpty(), oldServerNode.isFiltered());\r\n        return this.generateEventCacheAfterServerEvent_(newViewCache, path, writesCache, NO_COMPLETE_CHILD_SOURCE, accumulator);\r\n    };\r\n    /**\r\n     * @param {!ViewCache} viewCache\r\n     * @param {!Path} path\r\n     * @param {!WriteTreeRef} writesCache\r\n     * @param {?Node} completeServerCache\r\n     * @param {!ChildChangeAccumulator} accumulator\r\n     * @return {!ViewCache}\r\n     * @private\r\n     */\r\n    ViewProcessor.prototype.revertUserWrite_ = function (viewCache, path, writesCache, completeServerCache, accumulator) {\r\n        var complete;\r\n        if (writesCache.shadowingWrite(path) != null) {\r\n            return viewCache;\r\n        }\r\n        else {\r\n            var source = new WriteTreeCompleteChildSource(writesCache, viewCache, completeServerCache);\r\n            var oldEventCache = viewCache.getEventCache().getNode();\r\n            var newEventCache = void 0;\r\n            if (path.isEmpty() || path.getFront() === '.priority') {\r\n                var newNode = void 0;\r\n                if (viewCache.getServerCache().isFullyInitialized()) {\r\n                    newNode = writesCache.calcCompleteEventCache(viewCache.getCompleteServerSnap());\r\n                }\r\n                else {\r\n                    var serverChildren = viewCache.getServerCache().getNode();\r\n                    util.assert(serverChildren instanceof ChildrenNode, 'serverChildren would be complete if leaf node');\r\n                    newNode = writesCache.calcCompleteEventChildren(serverChildren);\r\n                }\r\n                newNode = newNode;\r\n                newEventCache = this.filter_.updateFullNode(oldEventCache, newNode, accumulator);\r\n            }\r\n            else {\r\n                var childKey = path.getFront();\r\n                var newChild = writesCache.calcCompleteChild(childKey, viewCache.getServerCache());\r\n                if (newChild == null &&\r\n                    viewCache.getServerCache().isCompleteForChild(childKey)) {\r\n                    newChild = oldEventCache.getImmediateChild(childKey);\r\n                }\r\n                if (newChild != null) {\r\n                    newEventCache = this.filter_.updateChild(oldEventCache, childKey, newChild, path.popFront(), source, accumulator);\r\n                }\r\n                else if (viewCache.getEventCache().getNode().hasChild(childKey)) {\r\n                    // No complete child available, delete the existing one, if any\r\n                    newEventCache = this.filter_.updateChild(oldEventCache, childKey, ChildrenNode.EMPTY_NODE, path.popFront(), source, accumulator);\r\n                }\r\n                else {\r\n                    newEventCache = oldEventCache;\r\n                }\r\n                if (newEventCache.isEmpty() &&\r\n                    viewCache.getServerCache().isFullyInitialized()) {\r\n                    // We might have reverted all child writes. Maybe the old event was a leaf node\r\n                    complete = writesCache.calcCompleteEventCache(viewCache.getCompleteServerSnap());\r\n                    if (complete.isLeafNode()) {\r\n                        newEventCache = this.filter_.updateFullNode(newEventCache, complete, accumulator);\r\n                    }\r\n                }\r\n            }\r\n            complete =\r\n                viewCache.getServerCache().isFullyInitialized() ||\r\n                    writesCache.shadowingWrite(Path.Empty) != null;\r\n            return viewCache.updateEventSnap(newEventCache, complete, this.filter_.filtersNodes());\r\n        }\r\n    };\r\n    return ViewProcessor;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * An EventGenerator is used to convert \"raw\" changes (Change) as computed by the\r\n * CacheDiffer into actual events (Event) that can be raised.  See generateEventsForChanges()\r\n * for details.\r\n *\r\n * @constructor\r\n */\r\nvar EventGenerator = /** @class */ (function () {\r\n    /**\r\n     *\r\n     * @param {!Query} query_\r\n     */\r\n    function EventGenerator(query_) {\r\n        this.query_ = query_;\r\n        /**\r\n         * @private\r\n         * @type {!Index}\r\n         */\r\n        this.index_ = this.query_.getQueryParams().getIndex();\r\n    }\r\n    /**\r\n     * Given a set of raw changes (no moved events and prevName not specified yet), and a set of\r\n     * EventRegistrations that should be notified of these changes, generate the actual events to be raised.\r\n     *\r\n     * Notes:\r\n     *  - child_moved events will be synthesized at this time for any child_changed events that affect\r\n     *    our index.\r\n     *  - prevName will be calculated based on the index ordering.\r\n     *\r\n     * @param {!Array.<!Change>} changes\r\n     * @param {!Node} eventCache\r\n     * @param {!Array.<!EventRegistration>} eventRegistrations\r\n     * @return {!Array.<!Event>}\r\n     */\r\n    EventGenerator.prototype.generateEventsForChanges = function (changes, eventCache, eventRegistrations) {\r\n        var _this = this;\r\n        var events = [];\r\n        var moves = [];\r\n        changes.forEach(function (change) {\r\n            if (change.type === Change.CHILD_CHANGED &&\r\n                _this.index_.indexedValueChanged(change.oldSnap, change.snapshotNode)) {\r\n                moves.push(Change.childMovedChange(change.childName, change.snapshotNode));\r\n            }\r\n        });\r\n        this.generateEventsForType_(events, Change.CHILD_REMOVED, changes, eventRegistrations, eventCache);\r\n        this.generateEventsForType_(events, Change.CHILD_ADDED, changes, eventRegistrations, eventCache);\r\n        this.generateEventsForType_(events, Change.CHILD_MOVED, moves, eventRegistrations, eventCache);\r\n        this.generateEventsForType_(events, Change.CHILD_CHANGED, changes, eventRegistrations, eventCache);\r\n        this.generateEventsForType_(events, Change.VALUE, changes, eventRegistrations, eventCache);\r\n        return events;\r\n    };\r\n    /**\r\n     * Given changes of a single change type, generate the corresponding events.\r\n     *\r\n     * @param {!Array.<!Event>} events\r\n     * @param {!string} eventType\r\n     * @param {!Array.<!Change>} changes\r\n     * @param {!Array.<!EventRegistration>} registrations\r\n     * @param {!Node} eventCache\r\n     * @private\r\n     */\r\n    EventGenerator.prototype.generateEventsForType_ = function (events, eventType, changes, registrations, eventCache) {\r\n        var _this = this;\r\n        var filteredChanges = changes.filter(function (change) { return change.type === eventType; });\r\n        filteredChanges.sort(this.compareChanges_.bind(this));\r\n        filteredChanges.forEach(function (change) {\r\n            var materializedChange = _this.materializeSingleChange_(change, eventCache);\r\n            registrations.forEach(function (registration) {\r\n                if (registration.respondsTo(change.type)) {\r\n                    events.push(registration.createEvent(materializedChange, _this.query_));\r\n                }\r\n            });\r\n        });\r\n    };\r\n    /**\r\n     * @param {!Change} change\r\n     * @param {!Node} eventCache\r\n     * @return {!Change}\r\n     * @private\r\n     */\r\n    EventGenerator.prototype.materializeSingleChange_ = function (change, eventCache) {\r\n        if (change.type === 'value' || change.type === 'child_removed') {\r\n            return change;\r\n        }\r\n        else {\r\n            change.prevName = eventCache.getPredecessorChildName(\r\n            /** @type {!string} */\r\n            change.childName, change.snapshotNode, this.index_);\r\n            return change;\r\n        }\r\n    };\r\n    /**\r\n     * @param {!Change} a\r\n     * @param {!Change} b\r\n     * @return {number}\r\n     * @private\r\n     */\r\n    EventGenerator.prototype.compareChanges_ = function (a, b) {\r\n        if (a.childName == null || b.childName == null) {\r\n            throw util.assertionError('Should only compare child_ events.');\r\n        }\r\n        var aWrapped = new NamedNode(a.childName, a.snapshotNode);\r\n        var bWrapped = new NamedNode(b.childName, b.snapshotNode);\r\n        return this.index_.compare(aWrapped, bWrapped);\r\n    };\r\n    return EventGenerator;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * A view represents a specific location and query that has 1 or more event registrations.\r\n *\r\n * It does several things:\r\n *  - Maintains the list of event registrations for this location/query.\r\n *  - Maintains a cache of the data visible for this location/query.\r\n *  - Applies new operations (via applyOperation), updates the cache, and based on the event\r\n *    registrations returns the set of events to be raised.\r\n * @constructor\r\n */\r\nvar View = /** @class */ (function () {\r\n    /**\r\n     *\r\n     * @param {!Query} query_\r\n     * @param {!ViewCache} initialViewCache\r\n     */\r\n    function View(query_, initialViewCache) {\r\n        this.query_ = query_;\r\n        this.eventRegistrations_ = [];\r\n        var params = this.query_.getQueryParams();\r\n        var indexFilter = new IndexedFilter(params.getIndex());\r\n        var filter = params.getNodeFilter();\r\n        /**\r\n         * @type {ViewProcessor}\r\n         * @private\r\n         */\r\n        this.processor_ = new ViewProcessor(filter);\r\n        var initialServerCache = initialViewCache.getServerCache();\r\n        var initialEventCache = initialViewCache.getEventCache();\r\n        // Don't filter server node with other filter than index, wait for tagged listen\r\n        var serverSnap = indexFilter.updateFullNode(ChildrenNode.EMPTY_NODE, initialServerCache.getNode(), null);\r\n        var eventSnap = filter.updateFullNode(ChildrenNode.EMPTY_NODE, initialEventCache.getNode(), null);\r\n        var newServerCache = new CacheNode(serverSnap, initialServerCache.isFullyInitialized(), indexFilter.filtersNodes());\r\n        var newEventCache = new CacheNode(eventSnap, initialEventCache.isFullyInitialized(), filter.filtersNodes());\r\n        /**\r\n         * @type {!ViewCache}\r\n         * @private\r\n         */\r\n        this.viewCache_ = new ViewCache(newEventCache, newServerCache);\r\n        /**\r\n         * @type {!EventGenerator}\r\n         * @private\r\n         */\r\n        this.eventGenerator_ = new EventGenerator(this.query_);\r\n    }\r\n    /**\r\n     * @return {!Query}\r\n     */\r\n    View.prototype.getQuery = function () {\r\n        return this.query_;\r\n    };\r\n    /**\r\n     * @return {?Node}\r\n     */\r\n    View.prototype.getServerCache = function () {\r\n        return this.viewCache_.getServerCache().getNode();\r\n    };\r\n    /**\r\n     * @param {!Path} path\r\n     * @return {?Node}\r\n     */\r\n    View.prototype.getCompleteServerCache = function (path) {\r\n        var cache = this.viewCache_.getCompleteServerSnap();\r\n        if (cache) {\r\n            // If this isn't a \"loadsAllData\" view, then cache isn't actually a complete cache and\r\n            // we need to see if it contains the child we're interested in.\r\n            if (this.query_.getQueryParams().loadsAllData() ||\r\n                (!path.isEmpty() && !cache.getImmediateChild(path.getFront()).isEmpty())) {\r\n                return cache.getChild(path);\r\n            }\r\n        }\r\n        return null;\r\n    };\r\n    /**\r\n     * @return {boolean}\r\n     */\r\n    View.prototype.isEmpty = function () {\r\n        return this.eventRegistrations_.length === 0;\r\n    };\r\n    /**\r\n     * @param {!EventRegistration} eventRegistration\r\n     */\r\n    View.prototype.addEventRegistration = function (eventRegistration) {\r\n        this.eventRegistrations_.push(eventRegistration);\r\n    };\r\n    /**\r\n     * @param {?EventRegistration} eventRegistration If null, remove all callbacks.\r\n     * @param {Error=} cancelError If a cancelError is provided, appropriate cancel events will be returned.\r\n     * @return {!Array.<!Event>} Cancel events, if cancelError was provided.\r\n     */\r\n    View.prototype.removeEventRegistration = function (eventRegistration, cancelError) {\r\n        var cancelEvents = [];\r\n        if (cancelError) {\r\n            util.assert(eventRegistration == null, 'A cancel should cancel all event registrations.');\r\n            var path_1 = this.query_.path;\r\n            this.eventRegistrations_.forEach(function (registration) {\r\n                cancelError /** @type {!Error} */ = cancelError;\r\n                var maybeEvent = registration.createCancelEvent(cancelError, path_1);\r\n                if (maybeEvent) {\r\n                    cancelEvents.push(maybeEvent);\r\n                }\r\n            });\r\n        }\r\n        if (eventRegistration) {\r\n            var remaining = [];\r\n            for (var i = 0; i < this.eventRegistrations_.length; ++i) {\r\n                var existing = this.eventRegistrations_[i];\r\n                if (!existing.matches(eventRegistration)) {\r\n                    remaining.push(existing);\r\n                }\r\n                else if (eventRegistration.hasAnyCallback()) {\r\n                    // We're removing just this one\r\n                    remaining = remaining.concat(this.eventRegistrations_.slice(i + 1));\r\n                    break;\r\n                }\r\n            }\r\n            this.eventRegistrations_ = remaining;\r\n        }\r\n        else {\r\n            this.eventRegistrations_ = [];\r\n        }\r\n        return cancelEvents;\r\n    };\r\n    /**\r\n     * Applies the given Operation, updates our cache, and returns the appropriate events.\r\n     *\r\n     * @param {!Operation} operation\r\n     * @param {!WriteTreeRef} writesCache\r\n     * @param {?Node} completeServerCache\r\n     * @return {!Array.<!Event>}\r\n     */\r\n    View.prototype.applyOperation = function (operation, writesCache, completeServerCache) {\r\n        if (operation.type === OperationType.MERGE &&\r\n            operation.source.queryId !== null) {\r\n            util.assert(this.viewCache_.getCompleteServerSnap(), 'We should always have a full cache before handling merges');\r\n            util.assert(this.viewCache_.getCompleteEventSnap(), 'Missing event cache, even though we have a server cache');\r\n        }\r\n        var oldViewCache = this.viewCache_;\r\n        var result = this.processor_.applyOperation(oldViewCache, operation, writesCache, completeServerCache);\r\n        this.processor_.assertIndexed(result.viewCache);\r\n        util.assert(result.viewCache.getServerCache().isFullyInitialized() ||\r\n            !oldViewCache.getServerCache().isFullyInitialized(), 'Once a server snap is complete, it should never go back');\r\n        this.viewCache_ = result.viewCache;\r\n        return this.generateEventsForChanges_(result.changes, result.viewCache.getEventCache().getNode(), null);\r\n    };\r\n    /**\r\n     * @param {!EventRegistration} registration\r\n     * @return {!Array.<!Event>}\r\n     */\r\n    View.prototype.getInitialEvents = function (registration) {\r\n        var eventSnap = this.viewCache_.getEventCache();\r\n        var initialChanges = [];\r\n        if (!eventSnap.getNode().isLeafNode()) {\r\n            var eventNode = eventSnap.getNode();\r\n            eventNode.forEachChild(PRIORITY_INDEX, function (key, childNode) {\r\n                initialChanges.push(Change.childAddedChange(key, childNode));\r\n            });\r\n        }\r\n        if (eventSnap.isFullyInitialized()) {\r\n            initialChanges.push(Change.valueChange(eventSnap.getNode()));\r\n        }\r\n        return this.generateEventsForChanges_(initialChanges, eventSnap.getNode(), registration);\r\n    };\r\n    /**\r\n     * @private\r\n     * @param {!Array.<!Change>} changes\r\n     * @param {!Node} eventCache\r\n     * @param {EventRegistration=} eventRegistration\r\n     * @return {!Array.<!Event>}\r\n     */\r\n    View.prototype.generateEventsForChanges_ = function (changes, eventCache, eventRegistration) {\r\n        var registrations = eventRegistration\r\n            ? [eventRegistration]\r\n            : this.eventRegistrations_;\r\n        return this.eventGenerator_.generateEventsForChanges(changes, eventCache, registrations);\r\n    };\r\n    return View;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nvar __referenceConstructor$1;\r\n/**\r\n * SyncPoint represents a single location in a SyncTree with 1 or more event registrations, meaning we need to\r\n * maintain 1 or more Views at this location to cache server data and raise appropriate events for server changes\r\n * and user writes (set, transaction, update).\r\n *\r\n * It's responsible for:\r\n *  - Maintaining the set of 1 or more views necessary at this location (a SyncPoint with 0 views should be removed).\r\n *  - Proxying user / server operations to the views as appropriate (i.e. applyServerOverwrite,\r\n *    applyUserOverwrite, etc.)\r\n */\r\nvar SyncPoint = /** @class */ (function () {\r\n    function SyncPoint() {\r\n        /**\r\n         * The Views being tracked at this location in the tree, stored as a map where the key is a\r\n         * queryId and the value is the View for that query.\r\n         *\r\n         * NOTE: This list will be quite small (usually 1, but perhaps 2 or 3; any more is an odd use case).\r\n         */\r\n        this.views = new Map();\r\n    }\r\n    Object.defineProperty(SyncPoint, \"__referenceConstructor\", {\r\n        get: function () {\r\n            util.assert(__referenceConstructor$1, 'Reference.ts has not been loaded');\r\n            return __referenceConstructor$1;\r\n        },\r\n        set: function (val) {\r\n            util.assert(!__referenceConstructor$1, '__referenceConstructor has already been defined');\r\n            __referenceConstructor$1 = val;\r\n        },\r\n        enumerable: false,\r\n        configurable: true\r\n    });\r\n    SyncPoint.prototype.isEmpty = function () {\r\n        return this.views.size === 0;\r\n    };\r\n    SyncPoint.prototype.applyOperation = function (operation, writesCache, optCompleteServerCache) {\r\n        var e_1, _a;\r\n        var queryId = operation.source.queryId;\r\n        if (queryId !== null) {\r\n            var view = this.views.get(queryId);\r\n            util.assert(view != null, 'SyncTree gave us an op for an invalid query.');\r\n            return view.applyOperation(operation, writesCache, optCompleteServerCache);\r\n        }\r\n        else {\r\n            var events = [];\r\n            try {\r\n                for (var _b = tslib.__values(this.views.values()), _c = _b.next(); !_c.done; _c = _b.next()) {\r\n                    var view = _c.value;\r\n                    events = events.concat(view.applyOperation(operation, writesCache, optCompleteServerCache));\r\n                }\r\n            }\r\n            catch (e_1_1) { e_1 = { error: e_1_1 }; }\r\n            finally {\r\n                try {\r\n                    if (_c && !_c.done && (_a = _b.return)) _a.call(_b);\r\n                }\r\n                finally { if (e_1) throw e_1.error; }\r\n            }\r\n            return events;\r\n        }\r\n    };\r\n    /**\r\n     * Add an event callback for the specified query.\r\n     *\r\n     * @param {!Query} query\r\n     * @param {!EventRegistration} eventRegistration\r\n     * @param {!WriteTreeRef} writesCache\r\n     * @param {?Node} serverCache Complete server cache, if we have it.\r\n     * @param {boolean} serverCacheComplete\r\n     * @return {!Array.<!Event>} Events to raise.\r\n     */\r\n    SyncPoint.prototype.addEventRegistration = function (query, eventRegistration, writesCache, serverCache, serverCacheComplete) {\r\n        var queryId = query.queryIdentifier();\r\n        var view = this.views.get(queryId);\r\n        if (!view) {\r\n            // TODO: make writesCache take flag for complete server node\r\n            var eventCache = writesCache.calcCompleteEventCache(serverCacheComplete ? serverCache : null);\r\n            var eventCacheComplete = false;\r\n            if (eventCache) {\r\n                eventCacheComplete = true;\r\n            }\r\n            else if (serverCache instanceof ChildrenNode) {\r\n                eventCache = writesCache.calcCompleteEventChildren(serverCache);\r\n                eventCacheComplete = false;\r\n            }\r\n            else {\r\n                eventCache = ChildrenNode.EMPTY_NODE;\r\n                eventCacheComplete = false;\r\n            }\r\n            var viewCache = new ViewCache(new CacheNode(\r\n            /** @type {!Node} */ eventCache, eventCacheComplete, false), new CacheNode(\r\n            /** @type {!Node} */ serverCache, serverCacheComplete, false));\r\n            view = new View(query, viewCache);\r\n            this.views.set(queryId, view);\r\n        }\r\n        // This is guaranteed to exist now, we just created anything that was missing\r\n        view.addEventRegistration(eventRegistration);\r\n        return view.getInitialEvents(eventRegistration);\r\n    };\r\n    /**\r\n     * Remove event callback(s).  Return cancelEvents if a cancelError is specified.\r\n     *\r\n     * If query is the default query, we'll check all views for the specified eventRegistration.\r\n     * If eventRegistration is null, we'll remove all callbacks for the specified view(s).\r\n     *\r\n     * @param {!Query} query\r\n     * @param {?EventRegistration} eventRegistration If null, remove all callbacks.\r\n     * @param {Error=} cancelError If a cancelError is provided, appropriate cancel events will be returned.\r\n     * @return {{removed:!Array.<!Query>, events:!Array.<!Event>}} removed queries and any cancel events\r\n     */\r\n    SyncPoint.prototype.removeEventRegistration = function (query, eventRegistration, cancelError) {\r\n        var e_2, _a;\r\n        var queryId = query.queryIdentifier();\r\n        var removed = [];\r\n        var cancelEvents = [];\r\n        var hadCompleteView = this.hasCompleteView();\r\n        if (queryId === 'default') {\r\n            try {\r\n                // When you do ref.off(...), we search all views for the registration to remove.\r\n                for (var _b = tslib.__values(this.views.entries()), _c = _b.next(); !_c.done; _c = _b.next()) {\r\n                    var _d = tslib.__read(_c.value, 2), viewQueryId = _d[0], view = _d[1];\r\n                    cancelEvents = cancelEvents.concat(view.removeEventRegistration(eventRegistration, cancelError));\r\n                    if (view.isEmpty()) {\r\n                        this.views.delete(viewQueryId);\r\n                        // We'll deal with complete views later.\r\n                        if (!view.getQuery().getQueryParams().loadsAllData()) {\r\n                            removed.push(view.getQuery());\r\n                        }\r\n                    }\r\n                }\r\n            }\r\n            catch (e_2_1) { e_2 = { error: e_2_1 }; }\r\n            finally {\r\n                try {\r\n                    if (_c && !_c.done && (_a = _b.return)) _a.call(_b);\r\n                }\r\n                finally { if (e_2) throw e_2.error; }\r\n            }\r\n        }\r\n        else {\r\n            // remove the callback from the specific view.\r\n            var view = this.views.get(queryId);\r\n            if (view) {\r\n                cancelEvents = cancelEvents.concat(view.removeEventRegistration(eventRegistration, cancelError));\r\n                if (view.isEmpty()) {\r\n                    this.views.delete(queryId);\r\n                    // We'll deal with complete views later.\r\n                    if (!view.getQuery().getQueryParams().loadsAllData()) {\r\n                        removed.push(view.getQuery());\r\n                    }\r\n                }\r\n            }\r\n        }\r\n        if (hadCompleteView && !this.hasCompleteView()) {\r\n            // We removed our last complete view.\r\n            removed.push(new SyncPoint.__referenceConstructor(query.repo, query.path));\r\n        }\r\n        return { removed: removed, events: cancelEvents };\r\n    };\r\n    SyncPoint.prototype.getQueryViews = function () {\r\n        var e_3, _a;\r\n        var result = [];\r\n        try {\r\n            for (var _b = tslib.__values(this.views.values()), _c = _b.next(); !_c.done; _c = _b.next()) {\r\n                var view = _c.value;\r\n                if (!view.getQuery().getQueryParams().loadsAllData()) {\r\n                    result.push(view);\r\n                }\r\n            }\r\n        }\r\n        catch (e_3_1) { e_3 = { error: e_3_1 }; }\r\n        finally {\r\n            try {\r\n                if (_c && !_c.done && (_a = _b.return)) _a.call(_b);\r\n            }\r\n            finally { if (e_3) throw e_3.error; }\r\n        }\r\n        return result;\r\n    };\r\n    /**\r\n     * @param path The path to the desired complete snapshot\r\n     * @return A complete cache, if it exists\r\n     */\r\n    SyncPoint.prototype.getCompleteServerCache = function (path) {\r\n        var e_4, _a;\r\n        var serverCache = null;\r\n        try {\r\n            for (var _b = tslib.__values(this.views.values()), _c = _b.next(); !_c.done; _c = _b.next()) {\r\n                var view = _c.value;\r\n                serverCache = serverCache || view.getCompleteServerCache(path);\r\n            }\r\n        }\r\n        catch (e_4_1) { e_4 = { error: e_4_1 }; }\r\n        finally {\r\n            try {\r\n                if (_c && !_c.done && (_a = _b.return)) _a.call(_b);\r\n            }\r\n            finally { if (e_4) throw e_4.error; }\r\n        }\r\n        return serverCache;\r\n    };\r\n    SyncPoint.prototype.viewForQuery = function (query) {\r\n        var params = query.getQueryParams();\r\n        if (params.loadsAllData()) {\r\n            return this.getCompleteView();\r\n        }\r\n        else {\r\n            var queryId = query.queryIdentifier();\r\n            return this.views.get(queryId);\r\n        }\r\n    };\r\n    SyncPoint.prototype.viewExistsForQuery = function (query) {\r\n        return this.viewForQuery(query) != null;\r\n    };\r\n    SyncPoint.prototype.hasCompleteView = function () {\r\n        return this.getCompleteView() != null;\r\n    };\r\n    SyncPoint.prototype.getCompleteView = function () {\r\n        var e_5, _a;\r\n        try {\r\n            for (var _b = tslib.__values(this.views.values()), _c = _b.next(); !_c.done; _c = _b.next()) {\r\n                var view = _c.value;\r\n                if (view.getQuery().getQueryParams().loadsAllData()) {\r\n                    return view;\r\n                }\r\n            }\r\n        }\r\n        catch (e_5_1) { e_5 = { error: e_5_1 }; }\r\n        finally {\r\n            try {\r\n                if (_c && !_c.done && (_a = _b.return)) _a.call(_b);\r\n            }\r\n            finally { if (e_5) throw e_5.error; }\r\n        }\r\n        return null;\r\n    };\r\n    return SyncPoint;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * This class holds a collection of writes that can be applied to nodes in unison. It abstracts away the logic with\r\n * dealing with priority writes and multiple nested writes. At any given path there is only allowed to be one write\r\n * modifying that path. Any write to an existing path or shadowing an existing path will modify that existing write\r\n * to reflect the write added.\r\n */\r\nvar CompoundWrite = /** @class */ (function () {\r\n    function CompoundWrite(writeTree_) {\r\n        this.writeTree_ = writeTree_;\r\n    }\r\n    CompoundWrite.prototype.addWrite = function (path, node) {\r\n        if (path.isEmpty()) {\r\n            return new CompoundWrite(new ImmutableTree(node));\r\n        }\r\n        else {\r\n            var rootmost = this.writeTree_.findRootMostValueAndPath(path);\r\n            if (rootmost != null) {\r\n                var rootMostPath = rootmost.path;\r\n                var value = rootmost.value;\r\n                var relativePath = Path.relativePath(rootMostPath, path);\r\n                value = value.updateChild(relativePath, node);\r\n                return new CompoundWrite(this.writeTree_.set(rootMostPath, value));\r\n            }\r\n            else {\r\n                var subtree = new ImmutableTree(node);\r\n                var newWriteTree = this.writeTree_.setTree(path, subtree);\r\n                return new CompoundWrite(newWriteTree);\r\n            }\r\n        }\r\n    };\r\n    CompoundWrite.prototype.addWrites = function (path, updates) {\r\n        var newWrite = this;\r\n        each(updates, function (childKey, node) {\r\n            newWrite = newWrite.addWrite(path.child(childKey), node);\r\n        });\r\n        return newWrite;\r\n    };\r\n    /**\r\n     * Will remove a write at the given path and deeper paths. This will <em>not</em> modify a write at a higher\r\n     * location, which must be removed by calling this method with that path.\r\n     *\r\n     * @param path The path at which a write and all deeper writes should be removed\r\n     * @return {!CompoundWrite} The new CompoundWrite with the removed path\r\n     */\r\n    CompoundWrite.prototype.removeWrite = function (path) {\r\n        if (path.isEmpty()) {\r\n            return CompoundWrite.Empty;\r\n        }\r\n        else {\r\n            var newWriteTree = this.writeTree_.setTree(path, ImmutableTree.Empty);\r\n            return new CompoundWrite(newWriteTree);\r\n        }\r\n    };\r\n    /**\r\n     * Returns whether this CompoundWrite will fully overwrite a node at a given location and can therefore be\r\n     * considered \"complete\".\r\n     *\r\n     * @param path The path to check for\r\n     * @return Whether there is a complete write at that path\r\n     */\r\n    CompoundWrite.prototype.hasCompleteWrite = function (path) {\r\n        return this.getCompleteNode(path) != null;\r\n    };\r\n    /**\r\n     * Returns a node for a path if and only if the node is a \"complete\" overwrite at that path. This will not aggregate\r\n     * writes from deeper paths, but will return child nodes from a more shallow path.\r\n     *\r\n     * @param path The path to get a complete write\r\n     * @return The node if complete at that path, or null otherwise.\r\n     */\r\n    CompoundWrite.prototype.getCompleteNode = function (path) {\r\n        var rootmost = this.writeTree_.findRootMostValueAndPath(path);\r\n        if (rootmost != null) {\r\n            return this.writeTree_\r\n                .get(rootmost.path)\r\n                .getChild(Path.relativePath(rootmost.path, path));\r\n        }\r\n        else {\r\n            return null;\r\n        }\r\n    };\r\n    /**\r\n     * Returns all children that are guaranteed to be a complete overwrite.\r\n     *\r\n     * @return A list of all complete children.\r\n     */\r\n    CompoundWrite.prototype.getCompleteChildren = function () {\r\n        var children = [];\r\n        var node = this.writeTree_.value;\r\n        if (node != null) {\r\n            // If it's a leaf node, it has no children; so nothing to do.\r\n            if (!node.isLeafNode()) {\r\n                node.forEachChild(PRIORITY_INDEX, function (childName, childNode) {\r\n                    children.push(new NamedNode(childName, childNode));\r\n                });\r\n            }\r\n        }\r\n        else {\r\n            this.writeTree_.children.inorderTraversal(function (childName, childTree) {\r\n                if (childTree.value != null) {\r\n                    children.push(new NamedNode(childName, childTree.value));\r\n                }\r\n            });\r\n        }\r\n        return children;\r\n    };\r\n    CompoundWrite.prototype.childCompoundWrite = function (path) {\r\n        if (path.isEmpty()) {\r\n            return this;\r\n        }\r\n        else {\r\n            var shadowingNode = this.getCompleteNode(path);\r\n            if (shadowingNode != null) {\r\n                return new CompoundWrite(new ImmutableTree(shadowingNode));\r\n            }\r\n            else {\r\n                return new CompoundWrite(this.writeTree_.subtree(path));\r\n            }\r\n        }\r\n    };\r\n    /**\r\n     * Returns true if this CompoundWrite is empty and therefore does not modify any nodes.\r\n     * @return Whether this CompoundWrite is empty\r\n     */\r\n    CompoundWrite.prototype.isEmpty = function () {\r\n        return this.writeTree_.isEmpty();\r\n    };\r\n    /**\r\n     * Applies this CompoundWrite to a node. The node is returned with all writes from this CompoundWrite applied to the\r\n     * node\r\n     * @param node The node to apply this CompoundWrite to\r\n     * @return The node with all writes applied\r\n     */\r\n    CompoundWrite.prototype.apply = function (node) {\r\n        return applySubtreeWrite(Path.Empty, this.writeTree_, node);\r\n    };\r\n    CompoundWrite.Empty = new CompoundWrite(new ImmutableTree(null));\r\n    return CompoundWrite;\r\n}());\r\nfunction applySubtreeWrite(relativePath, writeTree, node) {\r\n    if (writeTree.value != null) {\r\n        // Since there a write is always a leaf, we're done here\r\n        return node.updateChild(relativePath, writeTree.value);\r\n    }\r\n    else {\r\n        var priorityWrite_1 = null;\r\n        writeTree.children.inorderTraversal(function (childKey, childTree) {\r\n            if (childKey === '.priority') {\r\n                // Apply priorities at the end so we don't update priorities for either empty nodes or forget\r\n                // to apply priorities to empty nodes that are later filled\r\n                util.assert(childTree.value !== null, 'Priority writes must always be leaf nodes');\r\n                priorityWrite_1 = childTree.value;\r\n            }\r\n            else {\r\n                node = applySubtreeWrite(relativePath.child(childKey), childTree, node);\r\n            }\r\n        });\r\n        // If there was a priority write, we only apply it if the node is not empty\r\n        if (!node.getChild(relativePath).isEmpty() && priorityWrite_1 !== null) {\r\n            node = node.updateChild(relativePath.child('.priority'), priorityWrite_1);\r\n        }\r\n        return node;\r\n    }\r\n}\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * WriteTree tracks all pending user-initiated writes and has methods to calculate the result of merging them\r\n * with underlying server data (to create \"event cache\" data).  Pending writes are added with addOverwrite()\r\n * and addMerge(), and removed with removeWrite().\r\n *\r\n * @constructor\r\n */\r\nvar WriteTree = /** @class */ (function () {\r\n    function WriteTree() {\r\n        /**\r\n         * A tree tracking the result of applying all visible writes.  This does not include transactions with\r\n         * applyLocally=false or writes that are completely shadowed by other writes.\r\n         *\r\n         * @type {!CompoundWrite}\r\n         * @private\r\n         */\r\n        this.visibleWrites_ = CompoundWrite.Empty;\r\n        /**\r\n         * A list of all pending writes, regardless of visibility and shadowed-ness.  Used to calculate arbitrary\r\n         * sets of the changed data, such as hidden writes (from transactions) or changes with certain writes excluded (also\r\n         * used by transactions).\r\n         *\r\n         * @type {!Array.<!WriteRecord>}\r\n         * @private\r\n         */\r\n        this.allWrites_ = [];\r\n        this.lastWriteId_ = -1;\r\n    }\r\n    /**\r\n     * Create a new WriteTreeRef for the given path. For use with a new sync point at the given path.\r\n     *\r\n     * @param {!Path} path\r\n     * @return {!WriteTreeRef}\r\n     */\r\n    WriteTree.prototype.childWrites = function (path) {\r\n        return new WriteTreeRef(path, this);\r\n    };\r\n    /**\r\n     * Record a new overwrite from user code.\r\n     *\r\n     * @param {!Path} path\r\n     * @param {!Node} snap\r\n     * @param {!number} writeId\r\n     * @param {boolean=} visible This is set to false by some transactions. It should be excluded from event caches\r\n     */\r\n    WriteTree.prototype.addOverwrite = function (path, snap, writeId, visible) {\r\n        util.assert(writeId > this.lastWriteId_, 'Stacking an older write on top of newer ones');\r\n        if (visible === undefined) {\r\n            visible = true;\r\n        }\r\n        this.allWrites_.push({\r\n            path: path,\r\n            snap: snap,\r\n            writeId: writeId,\r\n            visible: visible\r\n        });\r\n        if (visible) {\r\n            this.visibleWrites_ = this.visibleWrites_.addWrite(path, snap);\r\n        }\r\n        this.lastWriteId_ = writeId;\r\n    };\r\n    /**\r\n     * Record a new merge from user code.\r\n     *\r\n     * @param {!Path} path\r\n     * @param {!Object.<string, !Node>} changedChildren\r\n     * @param {!number} writeId\r\n     */\r\n    WriteTree.prototype.addMerge = function (path, changedChildren, writeId) {\r\n        util.assert(writeId > this.lastWriteId_, 'Stacking an older merge on top of newer ones');\r\n        this.allWrites_.push({\r\n            path: path,\r\n            children: changedChildren,\r\n            writeId: writeId,\r\n            visible: true\r\n        });\r\n        this.visibleWrites_ = this.visibleWrites_.addWrites(path, changedChildren);\r\n        this.lastWriteId_ = writeId;\r\n    };\r\n    /**\r\n     * @param {!number} writeId\r\n     * @return {?WriteRecord}\r\n     */\r\n    WriteTree.prototype.getWrite = function (writeId) {\r\n        for (var i = 0; i < this.allWrites_.length; i++) {\r\n            var record = this.allWrites_[i];\r\n            if (record.writeId === writeId) {\r\n                return record;\r\n            }\r\n        }\r\n        return null;\r\n    };\r\n    /**\r\n     * Remove a write (either an overwrite or merge) that has been successfully acknowledge by the server. Recalculates\r\n     * the tree if necessary.  We return true if it may have been visible, meaning views need to reevaluate.\r\n     *\r\n     * @param {!number} writeId\r\n     * @return {boolean} true if the write may have been visible (meaning we'll need to reevaluate / raise\r\n     * events as a result).\r\n     */\r\n    WriteTree.prototype.removeWrite = function (writeId) {\r\n        // Note: disabling this check. It could be a transaction that preempted another transaction, and thus was applied\r\n        // out of order.\r\n        //const validClear = revert || this.allWrites_.length === 0 || writeId <= this.allWrites_[0].writeId;\r\n        //assert(validClear, \"Either we don't have this write, or it's the first one in the queue\");\r\n        var _this = this;\r\n        var idx = this.allWrites_.findIndex(function (s) {\r\n            return s.writeId === writeId;\r\n        });\r\n        util.assert(idx >= 0, 'removeWrite called with nonexistent writeId.');\r\n        var writeToRemove = this.allWrites_[idx];\r\n        this.allWrites_.splice(idx, 1);\r\n        var removedWriteWasVisible = writeToRemove.visible;\r\n        var removedWriteOverlapsWithOtherWrites = false;\r\n        var i = this.allWrites_.length - 1;\r\n        while (removedWriteWasVisible && i >= 0) {\r\n            var currentWrite = this.allWrites_[i];\r\n            if (currentWrite.visible) {\r\n                if (i >= idx &&\r\n                    this.recordContainsPath_(currentWrite, writeToRemove.path)) {\r\n                    // The removed write was completely shadowed by a subsequent write.\r\n                    removedWriteWasVisible = false;\r\n                }\r\n                else if (writeToRemove.path.contains(currentWrite.path)) {\r\n                    // Either we're covering some writes or they're covering part of us (depending on which came first).\r\n                    removedWriteOverlapsWithOtherWrites = true;\r\n                }\r\n            }\r\n            i--;\r\n        }\r\n        if (!removedWriteWasVisible) {\r\n            return false;\r\n        }\r\n        else if (removedWriteOverlapsWithOtherWrites) {\r\n            // There's some shadowing going on. Just rebuild the visible writes from scratch.\r\n            this.resetTree_();\r\n            return true;\r\n        }\r\n        else {\r\n            // There's no shadowing.  We can safely just remove the write(s) from visibleWrites.\r\n            if (writeToRemove.snap) {\r\n                this.visibleWrites_ = this.visibleWrites_.removeWrite(writeToRemove.path);\r\n            }\r\n            else {\r\n                var children = writeToRemove.children;\r\n                each(children, function (childName) {\r\n                    _this.visibleWrites_ = _this.visibleWrites_.removeWrite(writeToRemove.path.child(childName));\r\n                });\r\n            }\r\n            return true;\r\n        }\r\n    };\r\n    /**\r\n     * Return a complete snapshot for the given path if there's visible write data at that path, else null.\r\n     * No server data is considered.\r\n     *\r\n     * @param {!Path} path\r\n     * @return {?Node}\r\n     */\r\n    WriteTree.prototype.getCompleteWriteData = function (path) {\r\n        return this.visibleWrites_.getCompleteNode(path);\r\n    };\r\n    /**\r\n     * Given optional, underlying server data, and an optional set of constraints (exclude some sets, include hidden\r\n     * writes), attempt to calculate a complete snapshot for the given path\r\n     *\r\n     * @param {!Path} treePath\r\n     * @param {?Node} completeServerCache\r\n     * @param {Array.<number>=} writeIdsToExclude An optional set to be excluded\r\n     * @param {boolean=} includeHiddenWrites Defaults to false, whether or not to layer on writes with visible set to false\r\n     * @return {?Node}\r\n     */\r\n    WriteTree.prototype.calcCompleteEventCache = function (treePath, completeServerCache, writeIdsToExclude, includeHiddenWrites) {\r\n        if (!writeIdsToExclude && !includeHiddenWrites) {\r\n            var shadowingNode = this.visibleWrites_.getCompleteNode(treePath);\r\n            if (shadowingNode != null) {\r\n                return shadowingNode;\r\n            }\r\n            else {\r\n                var subMerge = this.visibleWrites_.childCompoundWrite(treePath);\r\n                if (subMerge.isEmpty()) {\r\n                    return completeServerCache;\r\n                }\r\n                else if (completeServerCache == null &&\r\n                    !subMerge.hasCompleteWrite(Path.Empty)) {\r\n                    // We wouldn't have a complete snapshot, since there's no underlying data and no complete shadow\r\n                    return null;\r\n                }\r\n                else {\r\n                    var layeredCache = completeServerCache || ChildrenNode.EMPTY_NODE;\r\n                    return subMerge.apply(layeredCache);\r\n                }\r\n            }\r\n        }\r\n        else {\r\n            var merge = this.visibleWrites_.childCompoundWrite(treePath);\r\n            if (!includeHiddenWrites && merge.isEmpty()) {\r\n                return completeServerCache;\r\n            }\r\n            else {\r\n                // If the server cache is null, and we don't have a complete cache, we need to return null\r\n                if (!includeHiddenWrites &&\r\n                    completeServerCache == null &&\r\n                    !merge.hasCompleteWrite(Path.Empty)) {\r\n                    return null;\r\n                }\r\n                else {\r\n                    var filter = function (write) {\r\n                        return ((write.visible || includeHiddenWrites) &&\r\n                            (!writeIdsToExclude ||\r\n                                !~writeIdsToExclude.indexOf(write.writeId)) &&\r\n                            (write.path.contains(treePath) || treePath.contains(write.path)));\r\n                    };\r\n                    var mergeAtPath = WriteTree.layerTree_(this.allWrites_, filter, treePath);\r\n                    var layeredCache = completeServerCache || ChildrenNode.EMPTY_NODE;\r\n                    return mergeAtPath.apply(layeredCache);\r\n                }\r\n            }\r\n        }\r\n    };\r\n    /**\r\n     * With optional, underlying server data, attempt to return a children node of children that we have complete data for.\r\n     * Used when creating new views, to pre-fill their complete event children snapshot.\r\n     *\r\n     * @param {!Path} treePath\r\n     * @param {?ChildrenNode} completeServerChildren\r\n     * @return {!ChildrenNode}\r\n     */\r\n    WriteTree.prototype.calcCompleteEventChildren = function (treePath, completeServerChildren) {\r\n        var completeChildren = ChildrenNode.EMPTY_NODE;\r\n        var topLevelSet = this.visibleWrites_.getCompleteNode(treePath);\r\n        if (topLevelSet) {\r\n            if (!topLevelSet.isLeafNode()) {\r\n                // we're shadowing everything. Return the children.\r\n                topLevelSet.forEachChild(PRIORITY_INDEX, function (childName, childSnap) {\r\n                    completeChildren = completeChildren.updateImmediateChild(childName, childSnap);\r\n                });\r\n            }\r\n            return completeChildren;\r\n        }\r\n        else if (completeServerChildren) {\r\n            // Layer any children we have on top of this\r\n            // We know we don't have a top-level set, so just enumerate existing children\r\n            var merge_1 = this.visibleWrites_.childCompoundWrite(treePath);\r\n            completeServerChildren.forEachChild(PRIORITY_INDEX, function (childName, childNode) {\r\n                var node = merge_1\r\n                    .childCompoundWrite(new Path(childName))\r\n                    .apply(childNode);\r\n                completeChildren = completeChildren.updateImmediateChild(childName, node);\r\n            });\r\n            // Add any complete children we have from the set\r\n            merge_1.getCompleteChildren().forEach(function (namedNode) {\r\n                completeChildren = completeChildren.updateImmediateChild(namedNode.name, namedNode.node);\r\n            });\r\n            return completeChildren;\r\n        }\r\n        else {\r\n            // We don't have anything to layer on top of. Layer on any children we have\r\n            // Note that we can return an empty snap if we have a defined delete\r\n            var merge = this.visibleWrites_.childCompoundWrite(treePath);\r\n            merge.getCompleteChildren().forEach(function (namedNode) {\r\n                completeChildren = completeChildren.updateImmediateChild(namedNode.name, namedNode.node);\r\n            });\r\n            return completeChildren;\r\n        }\r\n    };\r\n    /**\r\n     * Given that the underlying server data has updated, determine what, if anything, needs to be\r\n     * applied to the event cache.\r\n     *\r\n     * Possibilities:\r\n     *\r\n     * 1. No writes are shadowing. Events should be raised, the snap to be applied comes from the server data\r\n     *\r\n     * 2. Some write is completely shadowing. No events to be raised\r\n     *\r\n     * 3. Is partially shadowed. Events\r\n     *\r\n     * Either existingEventSnap or existingServerSnap must exist\r\n     *\r\n     * @param {!Path} treePath\r\n     * @param {!Path} childPath\r\n     * @param {?Node} existingEventSnap\r\n     * @param {?Node} existingServerSnap\r\n     * @return {?Node}\r\n     */\r\n    WriteTree.prototype.calcEventCacheAfterServerOverwrite = function (treePath, childPath, existingEventSnap, existingServerSnap) {\r\n        util.assert(existingEventSnap || existingServerSnap, 'Either existingEventSnap or existingServerSnap must exist');\r\n        var path = treePath.child(childPath);\r\n        if (this.visibleWrites_.hasCompleteWrite(path)) {\r\n            // At this point we can probably guarantee that we're in case 2, meaning no events\r\n            // May need to check visibility while doing the findRootMostValueAndPath call\r\n            return null;\r\n        }\r\n        else {\r\n            // No complete shadowing. We're either partially shadowing or not shadowing at all.\r\n            var childMerge = this.visibleWrites_.childCompoundWrite(path);\r\n            if (childMerge.isEmpty()) {\r\n                // We're not shadowing at all. Case 1\r\n                return existingServerSnap.getChild(childPath);\r\n            }\r\n            else {\r\n                // This could be more efficient if the serverNode + updates doesn't change the eventSnap\r\n                // However this is tricky to find out, since user updates don't necessary change the server\r\n                // snap, e.g. priority updates on empty nodes, or deep deletes. Another special case is if the server\r\n                // adds nodes, but doesn't change any existing writes. It is therefore not enough to\r\n                // only check if the updates change the serverNode.\r\n                // Maybe check if the merge tree contains these special cases and only do a full overwrite in that case?\r\n                return childMerge.apply(existingServerSnap.getChild(childPath));\r\n            }\r\n        }\r\n    };\r\n    /**\r\n     * Returns a complete child for a given server snap after applying all user writes or null if there is no\r\n     * complete child for this ChildKey.\r\n     *\r\n     * @param {!Path} treePath\r\n     * @param {!string} childKey\r\n     * @param {!CacheNode} existingServerSnap\r\n     * @return {?Node}\r\n     */\r\n    WriteTree.prototype.calcCompleteChild = function (treePath, childKey, existingServerSnap) {\r\n        var path = treePath.child(childKey);\r\n        var shadowingNode = this.visibleWrites_.getCompleteNode(path);\r\n        if (shadowingNode != null) {\r\n            return shadowingNode;\r\n        }\r\n        else {\r\n            if (existingServerSnap.isCompleteForChild(childKey)) {\r\n                var childMerge = this.visibleWrites_.childCompoundWrite(path);\r\n                return childMerge.apply(existingServerSnap.getNode().getImmediateChild(childKey));\r\n            }\r\n            else {\r\n                return null;\r\n            }\r\n        }\r\n    };\r\n    /**\r\n     * Returns a node if there is a complete overwrite for this path. More specifically, if there is a write at\r\n     * a higher path, this will return the child of that write relative to the write and this path.\r\n     * Returns null if there is no write at this path.\r\n     */\r\n    WriteTree.prototype.shadowingWrite = function (path) {\r\n        return this.visibleWrites_.getCompleteNode(path);\r\n    };\r\n    /**\r\n     * This method is used when processing child remove events on a query. If we can, we pull in children that were outside\r\n     * the window, but may now be in the window.\r\n     */\r\n    WriteTree.prototype.calcIndexedSlice = function (treePath, completeServerData, startPost, count, reverse, index) {\r\n        var toIterate;\r\n        var merge = this.visibleWrites_.childCompoundWrite(treePath);\r\n        var shadowingNode = merge.getCompleteNode(Path.Empty);\r\n        if (shadowingNode != null) {\r\n            toIterate = shadowingNode;\r\n        }\r\n        else if (completeServerData != null) {\r\n            toIterate = merge.apply(completeServerData);\r\n        }\r\n        else {\r\n            // no children to iterate on\r\n            return [];\r\n        }\r\n        toIterate = toIterate.withIndex(index);\r\n        if (!toIterate.isEmpty() && !toIterate.isLeafNode()) {\r\n            var nodes = [];\r\n            var cmp = index.getCompare();\r\n            var iter = reverse\r\n                ? toIterate.getReverseIteratorFrom(startPost, index)\r\n                : toIterate.getIteratorFrom(startPost, index);\r\n            var next = iter.getNext();\r\n            while (next && nodes.length < count) {\r\n                if (cmp(next, startPost) !== 0) {\r\n                    nodes.push(next);\r\n                }\r\n                next = iter.getNext();\r\n            }\r\n            return nodes;\r\n        }\r\n        else {\r\n            return [];\r\n        }\r\n    };\r\n    WriteTree.prototype.recordContainsPath_ = function (writeRecord, path) {\r\n        if (writeRecord.snap) {\r\n            return writeRecord.path.contains(path);\r\n        }\r\n        else {\r\n            for (var childName in writeRecord.children) {\r\n                if (writeRecord.children.hasOwnProperty(childName) &&\r\n                    writeRecord.path.child(childName).contains(path)) {\r\n                    return true;\r\n                }\r\n            }\r\n            return false;\r\n        }\r\n    };\r\n    /**\r\n     * Re-layer the writes and merges into a tree so we can efficiently calculate event snapshots\r\n     */\r\n    WriteTree.prototype.resetTree_ = function () {\r\n        this.visibleWrites_ = WriteTree.layerTree_(this.allWrites_, WriteTree.DefaultFilter_, Path.Empty);\r\n        if (this.allWrites_.length > 0) {\r\n            this.lastWriteId_ = this.allWrites_[this.allWrites_.length - 1].writeId;\r\n        }\r\n        else {\r\n            this.lastWriteId_ = -1;\r\n        }\r\n    };\r\n    /**\r\n     * The default filter used when constructing the tree. Keep everything that's visible.\r\n     */\r\n    WriteTree.DefaultFilter_ = function (write) {\r\n        return write.visible;\r\n    };\r\n    /**\r\n     * Static method. Given an array of WriteRecords, a filter for which ones to include, and a path, construct the tree of\r\n     * event data at that path.\r\n     */\r\n    WriteTree.layerTree_ = function (writes, filter, treeRoot) {\r\n        var compoundWrite = CompoundWrite.Empty;\r\n        for (var i = 0; i < writes.length; ++i) {\r\n            var write = writes[i];\r\n            // Theory, a later set will either:\r\n            // a) abort a relevant transaction, so no need to worry about excluding it from calculating that transaction\r\n            // b) not be relevant to a transaction (separate branch), so again will not affect the data for that transaction\r\n            if (filter(write)) {\r\n                var writePath = write.path;\r\n                var relativePath = void 0;\r\n                if (write.snap) {\r\n                    if (treeRoot.contains(writePath)) {\r\n                        relativePath = Path.relativePath(treeRoot, writePath);\r\n                        compoundWrite = compoundWrite.addWrite(relativePath, write.snap);\r\n                    }\r\n                    else if (writePath.contains(treeRoot)) {\r\n                        relativePath = Path.relativePath(writePath, treeRoot);\r\n                        compoundWrite = compoundWrite.addWrite(Path.Empty, write.snap.getChild(relativePath));\r\n                    }\r\n                    else ;\r\n                }\r\n                else if (write.children) {\r\n                    if (treeRoot.contains(writePath)) {\r\n                        relativePath = Path.relativePath(treeRoot, writePath);\r\n                        compoundWrite = compoundWrite.addWrites(relativePath, write.children);\r\n                    }\r\n                    else if (writePath.contains(treeRoot)) {\r\n                        relativePath = Path.relativePath(writePath, treeRoot);\r\n                        if (relativePath.isEmpty()) {\r\n                            compoundWrite = compoundWrite.addWrites(Path.Empty, write.children);\r\n                        }\r\n                        else {\r\n                            var child = util.safeGet(write.children, relativePath.getFront());\r\n                            if (child) {\r\n                                // There exists a child in this node that matches the root path\r\n                                var deepNode = child.getChild(relativePath.popFront());\r\n                                compoundWrite = compoundWrite.addWrite(Path.Empty, deepNode);\r\n                            }\r\n                        }\r\n                    }\r\n                    else ;\r\n                }\r\n                else {\r\n                    throw util.assertionError('WriteRecord should have .snap or .children');\r\n                }\r\n            }\r\n        }\r\n        return compoundWrite;\r\n    };\r\n    return WriteTree;\r\n}());\r\n/**\r\n * A WriteTreeRef wraps a WriteTree and a path, for convenient access to a particular subtree.  All of the methods\r\n * just proxy to the underlying WriteTree.\r\n *\r\n * @constructor\r\n */\r\nvar WriteTreeRef = /** @class */ (function () {\r\n    /**\r\n     * @param {!Path} path\r\n     * @param {!WriteTree} writeTree\r\n     */\r\n    function WriteTreeRef(path, writeTree) {\r\n        this.treePath_ = path;\r\n        this.writeTree_ = writeTree;\r\n    }\r\n    /**\r\n     * If possible, returns a complete event cache, using the underlying server data if possible. In addition, can be used\r\n     * to get a cache that includes hidden writes, and excludes arbitrary writes. Note that customizing the returned node\r\n     * can lead to a more expensive calculation.\r\n     *\r\n     * @param {?Node} completeServerCache\r\n     * @param {Array.<number>=} writeIdsToExclude Optional writes to exclude.\r\n     * @param {boolean=} includeHiddenWrites Defaults to false, whether or not to layer on writes with visible set to false\r\n     * @return {?Node}\r\n     */\r\n    WriteTreeRef.prototype.calcCompleteEventCache = function (completeServerCache, writeIdsToExclude, includeHiddenWrites) {\r\n        return this.writeTree_.calcCompleteEventCache(this.treePath_, completeServerCache, writeIdsToExclude, includeHiddenWrites);\r\n    };\r\n    /**\r\n     * If possible, returns a children node containing all of the complete children we have data for. The returned data is a\r\n     * mix of the given server data and write data.\r\n     *\r\n     * @param {?ChildrenNode} completeServerChildren\r\n     * @return {!ChildrenNode}\r\n     */\r\n    WriteTreeRef.prototype.calcCompleteEventChildren = function (completeServerChildren) {\r\n        return this.writeTree_.calcCompleteEventChildren(this.treePath_, completeServerChildren);\r\n    };\r\n    /**\r\n     * Given that either the underlying server data has updated or the outstanding writes have updated, determine what,\r\n     * if anything, needs to be applied to the event cache.\r\n     *\r\n     * Possibilities:\r\n     *\r\n     * 1. No writes are shadowing. Events should be raised, the snap to be applied comes from the server data\r\n     *\r\n     * 2. Some write is completely shadowing. No events to be raised\r\n     *\r\n     * 3. Is partially shadowed. Events should be raised\r\n     *\r\n     * Either existingEventSnap or existingServerSnap must exist, this is validated via an assert\r\n     *\r\n     * @param {!Path} path\r\n     * @param {?Node} existingEventSnap\r\n     * @param {?Node} existingServerSnap\r\n     * @return {?Node}\r\n     */\r\n    WriteTreeRef.prototype.calcEventCacheAfterServerOverwrite = function (path, existingEventSnap, existingServerSnap) {\r\n        return this.writeTree_.calcEventCacheAfterServerOverwrite(this.treePath_, path, existingEventSnap, existingServerSnap);\r\n    };\r\n    /**\r\n     * Returns a node if there is a complete overwrite for this path. More specifically, if there is a write at\r\n     * a higher path, this will return the child of that write relative to the write and this path.\r\n     * Returns null if there is no write at this path.\r\n     *\r\n     * @param {!Path} path\r\n     * @return {?Node}\r\n     */\r\n    WriteTreeRef.prototype.shadowingWrite = function (path) {\r\n        return this.writeTree_.shadowingWrite(this.treePath_.child(path));\r\n    };\r\n    /**\r\n     * This method is used when processing child remove events on a query. If we can, we pull in children that were outside\r\n     * the window, but may now be in the window\r\n     *\r\n     * @param {?Node} completeServerData\r\n     * @param {!NamedNode} startPost\r\n     * @param {!number} count\r\n     * @param {boolean} reverse\r\n     * @param {!Index} index\r\n     * @return {!Array.<!NamedNode>}\r\n     */\r\n    WriteTreeRef.prototype.calcIndexedSlice = function (completeServerData, startPost, count, reverse, index) {\r\n        return this.writeTree_.calcIndexedSlice(this.treePath_, completeServerData, startPost, count, reverse, index);\r\n    };\r\n    /**\r\n     * Returns a complete child for a given server snap after applying all user writes or null if there is no\r\n     * complete child for this ChildKey.\r\n     *\r\n     * @param {!string} childKey\r\n     * @param {!CacheNode} existingServerCache\r\n     * @return {?Node}\r\n     */\r\n    WriteTreeRef.prototype.calcCompleteChild = function (childKey, existingServerCache) {\r\n        return this.writeTree_.calcCompleteChild(this.treePath_, childKey, existingServerCache);\r\n    };\r\n    /**\r\n     * Return a WriteTreeRef for a child.\r\n     *\r\n     * @param {string} childName\r\n     * @return {!WriteTreeRef}\r\n     */\r\n    WriteTreeRef.prototype.child = function (childName) {\r\n        return new WriteTreeRef(this.treePath_.child(childName), this.writeTree_);\r\n    };\r\n    return WriteTreeRef;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * SyncTree is the central class for managing event callback registration, data caching, views\r\n * (query processing), and event generation.  There are typically two SyncTree instances for\r\n * each Repo, one for the normal Firebase data, and one for the .info data.\r\n *\r\n * It has a number of responsibilities, including:\r\n *  - Tracking all user event callbacks (registered via addEventRegistration() and removeEventRegistration()).\r\n *  - Applying and caching data changes for user set(), transaction(), and update() calls\r\n *    (applyUserOverwrite(), applyUserMerge()).\r\n *  - Applying and caching data changes for server data changes (applyServerOverwrite(),\r\n *    applyServerMerge()).\r\n *  - Generating user-facing events for server and user changes (all of the apply* methods\r\n *    return the set of events that need to be raised as a result).\r\n *  - Maintaining the appropriate set of server listens to ensure we are always subscribed\r\n *    to the correct set of paths and queries to satisfy the current set of user event\r\n *    callbacks (listens are started/stopped using the provided listenProvider).\r\n *\r\n * NOTE: Although SyncTree tracks event callbacks and calculates events to raise, the actual\r\n * events are returned to the caller rather than raised synchronously.\r\n *\r\n * @constructor\r\n */\r\nvar SyncTree = /** @class */ (function () {\r\n    /**\r\n     * @param {!ListenProvider} listenProvider_ Used by SyncTree to start / stop listening\r\n     *   to server data.\r\n     */\r\n    function SyncTree(listenProvider_) {\r\n        this.listenProvider_ = listenProvider_;\r\n        /**\r\n         * Tree of SyncPoints.  There's a SyncPoint at any location that has 1 or more views.\r\n         */\r\n        this.syncPointTree_ = ImmutableTree.Empty;\r\n        /**\r\n         * A tree of all pending user writes (user-initiated set()'s, transaction()'s, update()'s, etc.).\r\n         */\r\n        this.pendingWriteTree_ = new WriteTree();\r\n        this.tagToQueryMap = new Map();\r\n        this.queryToTagMap = new Map();\r\n    }\r\n    /**\r\n     * Apply the data changes for a user-generated set() or transaction() call.\r\n     *\r\n     * @return Events to raise.\r\n     */\r\n    SyncTree.prototype.applyUserOverwrite = function (path, newData, writeId, visible) {\r\n        // Record pending write.\r\n        this.pendingWriteTree_.addOverwrite(path, newData, writeId, visible);\r\n        if (!visible) {\r\n            return [];\r\n        }\r\n        else {\r\n            return this.applyOperationToSyncPoints_(new Overwrite(OperationSource.User, path, newData));\r\n        }\r\n    };\r\n    /**\r\n     * Apply the data from a user-generated update() call\r\n     *\r\n     * @return Events to raise.\r\n     */\r\n    SyncTree.prototype.applyUserMerge = function (path, changedChildren, writeId) {\r\n        // Record pending merge.\r\n        this.pendingWriteTree_.addMerge(path, changedChildren, writeId);\r\n        var changeTree = ImmutableTree.fromObject(changedChildren);\r\n        return this.applyOperationToSyncPoints_(new Merge(OperationSource.User, path, changeTree));\r\n    };\r\n    /**\r\n     * Acknowledge a pending user write that was previously registered with applyUserOverwrite() or applyUserMerge().\r\n     *\r\n     * @param revert True if the given write failed and needs to be reverted\r\n     * @return Events to raise.\r\n     */\r\n    SyncTree.prototype.ackUserWrite = function (writeId, revert) {\r\n        if (revert === void 0) { revert = false; }\r\n        var write = this.pendingWriteTree_.getWrite(writeId);\r\n        var needToReevaluate = this.pendingWriteTree_.removeWrite(writeId);\r\n        if (!needToReevaluate) {\r\n            return [];\r\n        }\r\n        else {\r\n            var affectedTree_1 = ImmutableTree.Empty;\r\n            if (write.snap != null) {\r\n                // overwrite\r\n                affectedTree_1 = affectedTree_1.set(Path.Empty, true);\r\n            }\r\n            else {\r\n                each(write.children, function (pathString, node) {\r\n                    affectedTree_1 = affectedTree_1.set(new Path(pathString), node);\r\n                });\r\n            }\r\n            return this.applyOperationToSyncPoints_(new AckUserWrite(write.path, affectedTree_1, revert));\r\n        }\r\n    };\r\n    /**\r\n     * Apply new server data for the specified path..\r\n     *\r\n     * @return Events to raise.\r\n     */\r\n    SyncTree.prototype.applyServerOverwrite = function (path, newData) {\r\n        return this.applyOperationToSyncPoints_(new Overwrite(OperationSource.Server, path, newData));\r\n    };\r\n    /**\r\n     * Apply new server data to be merged in at the specified path.\r\n     *\r\n     * @return Events to raise.\r\n     */\r\n    SyncTree.prototype.applyServerMerge = function (path, changedChildren) {\r\n        var changeTree = ImmutableTree.fromObject(changedChildren);\r\n        return this.applyOperationToSyncPoints_(new Merge(OperationSource.Server, path, changeTree));\r\n    };\r\n    /**\r\n     * Apply a listen complete for a query\r\n     *\r\n     * @return Events to raise.\r\n     */\r\n    SyncTree.prototype.applyListenComplete = function (path) {\r\n        return this.applyOperationToSyncPoints_(new ListenComplete(OperationSource.Server, path));\r\n    };\r\n    /**\r\n     * Apply new server data for the specified tagged query.\r\n     *\r\n     * @return Events to raise.\r\n     */\r\n    SyncTree.prototype.applyTaggedQueryOverwrite = function (path, snap, tag) {\r\n        var queryKey = this.queryKeyForTag_(tag);\r\n        if (queryKey != null) {\r\n            var r = SyncTree.parseQueryKey_(queryKey);\r\n            var queryPath = r.path, queryId = r.queryId;\r\n            var relativePath = Path.relativePath(queryPath, path);\r\n            var op = new Overwrite(OperationSource.forServerTaggedQuery(queryId), relativePath, snap);\r\n            return this.applyTaggedOperation_(queryPath, op);\r\n        }\r\n        else {\r\n            // Query must have been removed already\r\n            return [];\r\n        }\r\n    };\r\n    /**\r\n     * Apply server data to be merged in for the specified tagged query.\r\n     *\r\n     * @return Events to raise.\r\n     */\r\n    SyncTree.prototype.applyTaggedQueryMerge = function (path, changedChildren, tag) {\r\n        var queryKey = this.queryKeyForTag_(tag);\r\n        if (queryKey) {\r\n            var r = SyncTree.parseQueryKey_(queryKey);\r\n            var queryPath = r.path, queryId = r.queryId;\r\n            var relativePath = Path.relativePath(queryPath, path);\r\n            var changeTree = ImmutableTree.fromObject(changedChildren);\r\n            var op = new Merge(OperationSource.forServerTaggedQuery(queryId), relativePath, changeTree);\r\n            return this.applyTaggedOperation_(queryPath, op);\r\n        }\r\n        else {\r\n            // We've already removed the query. No big deal, ignore the update\r\n            return [];\r\n        }\r\n    };\r\n    /**\r\n     * Apply a listen complete for a tagged query\r\n     *\r\n     * @return Events to raise.\r\n     */\r\n    SyncTree.prototype.applyTaggedListenComplete = function (path, tag) {\r\n        var queryKey = this.queryKeyForTag_(tag);\r\n        if (queryKey) {\r\n            var r = SyncTree.parseQueryKey_(queryKey);\r\n            var queryPath = r.path, queryId = r.queryId;\r\n            var relativePath = Path.relativePath(queryPath, path);\r\n            var op = new ListenComplete(OperationSource.forServerTaggedQuery(queryId), relativePath);\r\n            return this.applyTaggedOperation_(queryPath, op);\r\n        }\r\n        else {\r\n            // We've already removed the query. No big deal, ignore the update\r\n            return [];\r\n        }\r\n    };\r\n    /**\r\n     * Add an event callback for the specified query.\r\n     *\r\n     * @return Events to raise.\r\n     */\r\n    SyncTree.prototype.addEventRegistration = function (query, eventRegistration) {\r\n        var path = query.path;\r\n        var serverCache = null;\r\n        var foundAncestorDefaultView = false;\r\n        // Any covering writes will necessarily be at the root, so really all we need to find is the server cache.\r\n        // Consider optimizing this once there's a better understanding of what actual behavior will be.\r\n        this.syncPointTree_.foreachOnPath(path, function (pathToSyncPoint, sp) {\r\n            var relativePath = Path.relativePath(pathToSyncPoint, path);\r\n            serverCache = serverCache || sp.getCompleteServerCache(relativePath);\r\n            foundAncestorDefaultView =\r\n                foundAncestorDefaultView || sp.hasCompleteView();\r\n        });\r\n        var syncPoint = this.syncPointTree_.get(path);\r\n        if (!syncPoint) {\r\n            syncPoint = new SyncPoint();\r\n            this.syncPointTree_ = this.syncPointTree_.set(path, syncPoint);\r\n        }\r\n        else {\r\n            foundAncestorDefaultView =\r\n                foundAncestorDefaultView || syncPoint.hasCompleteView();\r\n            serverCache = serverCache || syncPoint.getCompleteServerCache(Path.Empty);\r\n        }\r\n        var serverCacheComplete;\r\n        if (serverCache != null) {\r\n            serverCacheComplete = true;\r\n        }\r\n        else {\r\n            serverCacheComplete = false;\r\n            serverCache = ChildrenNode.EMPTY_NODE;\r\n            var subtree = this.syncPointTree_.subtree(path);\r\n            subtree.foreachChild(function (childName, childSyncPoint) {\r\n                var completeCache = childSyncPoint.getCompleteServerCache(Path.Empty);\r\n                if (completeCache) {\r\n                    serverCache = serverCache.updateImmediateChild(childName, completeCache);\r\n                }\r\n            });\r\n        }\r\n        var viewAlreadyExists = syncPoint.viewExistsForQuery(query);\r\n        if (!viewAlreadyExists && !query.getQueryParams().loadsAllData()) {\r\n            // We need to track a tag for this query\r\n            var queryKey = SyncTree.makeQueryKey_(query);\r\n            util.assert(!this.queryToTagMap.has(queryKey), 'View does not exist, but we have a tag');\r\n            var tag = SyncTree.getNextQueryTag_();\r\n            this.queryToTagMap.set(queryKey, tag);\r\n            this.tagToQueryMap.set(tag, queryKey);\r\n        }\r\n        var writesCache = this.pendingWriteTree_.childWrites(path);\r\n        var events = syncPoint.addEventRegistration(query, eventRegistration, writesCache, serverCache, serverCacheComplete);\r\n        if (!viewAlreadyExists && !foundAncestorDefaultView) {\r\n            var view /** @type !View */ = syncPoint.viewForQuery(query);\r\n            events = events.concat(this.setupListener_(query, view));\r\n        }\r\n        return events;\r\n    };\r\n    /**\r\n     * Remove event callback(s).\r\n     *\r\n     * If query is the default query, we'll check all queries for the specified eventRegistration.\r\n     * If eventRegistration is null, we'll remove all callbacks for the specified query/queries.\r\n     *\r\n     * @param eventRegistration If null, all callbacks are removed.\r\n     * @param cancelError If a cancelError is provided, appropriate cancel events will be returned.\r\n     * @return Cancel events, if cancelError was provided.\r\n     */\r\n    SyncTree.prototype.removeEventRegistration = function (query, eventRegistration, cancelError) {\r\n        var _this = this;\r\n        // Find the syncPoint first. Then deal with whether or not it has matching listeners\r\n        var path = query.path;\r\n        var maybeSyncPoint = this.syncPointTree_.get(path);\r\n        var cancelEvents = [];\r\n        // A removal on a default query affects all queries at that location. A removal on an indexed query, even one without\r\n        // other query constraints, does *not* affect all queries at that location. So this check must be for 'default', and\r\n        // not loadsAllData().\r\n        if (maybeSyncPoint &&\r\n            (query.queryIdentifier() === 'default' ||\r\n                maybeSyncPoint.viewExistsForQuery(query))) {\r\n            /**\r\n             * @type {{removed: !Array.<!Query>, events: !Array.<!Event>}}\r\n             */\r\n            var removedAndEvents = maybeSyncPoint.removeEventRegistration(query, eventRegistration, cancelError);\r\n            if (maybeSyncPoint.isEmpty()) {\r\n                this.syncPointTree_ = this.syncPointTree_.remove(path);\r\n            }\r\n            var removed = removedAndEvents.removed;\r\n            cancelEvents = removedAndEvents.events;\r\n            // We may have just removed one of many listeners and can short-circuit this whole process\r\n            // We may also not have removed a default listener, in which case all of the descendant listeners should already be\r\n            // properly set up.\r\n            //\r\n            // Since indexed queries can shadow if they don't have other query constraints, check for loadsAllData(), instead of\r\n            // queryId === 'default'\r\n            var removingDefault = -1 !==\r\n                removed.findIndex(function (query) {\r\n                    return query.getQueryParams().loadsAllData();\r\n                });\r\n            var covered = this.syncPointTree_.findOnPath(path, function (relativePath, parentSyncPoint) {\r\n                return parentSyncPoint.hasCompleteView();\r\n            });\r\n            if (removingDefault && !covered) {\r\n                var subtree = this.syncPointTree_.subtree(path);\r\n                // There are potentially child listeners. Determine what if any listens we need to send before executing the\r\n                // removal\r\n                if (!subtree.isEmpty()) {\r\n                    // We need to fold over our subtree and collect the listeners to send\r\n                    var newViews = this.collectDistinctViewsForSubTree_(subtree);\r\n                    // Ok, we've collected all the listens we need. Set them up.\r\n                    for (var i = 0; i < newViews.length; ++i) {\r\n                        var view = newViews[i], newQuery = view.getQuery();\r\n                        var listener = this.createListenerForView_(view);\r\n                        this.listenProvider_.startListening(SyncTree.queryForListening_(newQuery), this.tagForQuery_(newQuery), listener.hashFn, listener.onComplete);\r\n                    }\r\n                }\r\n            }\r\n            // If we removed anything and we're not covered by a higher up listen, we need to stop listening on this query\r\n            // The above block has us covered in terms of making sure we're set up on listens lower in the tree.\r\n            // Also, note that if we have a cancelError, it's already been removed at the provider level.\r\n            if (!covered && removed.length > 0 && !cancelError) {\r\n                // If we removed a default, then we weren't listening on any of the other queries here. Just cancel the one\r\n                // default. Otherwise, we need to iterate through and cancel each individual query\r\n                if (removingDefault) {\r\n                    // We don't tag default listeners\r\n                    var defaultTag = null;\r\n                    this.listenProvider_.stopListening(SyncTree.queryForListening_(query), defaultTag);\r\n                }\r\n                else {\r\n                    removed.forEach(function (queryToRemove) {\r\n                        var tagToRemove = _this.queryToTagMap.get(SyncTree.makeQueryKey_(queryToRemove));\r\n                        _this.listenProvider_.stopListening(SyncTree.queryForListening_(queryToRemove), tagToRemove);\r\n                    });\r\n                }\r\n            }\r\n            // Now, clear all of the tags we're tracking for the removed listens\r\n            this.removeTags_(removed);\r\n        }\r\n        return cancelEvents;\r\n    };\r\n    /**\r\n     * Returns a complete cache, if we have one, of the data at a particular path. If the location does not have a\r\n     * listener above it, we will get a false \"null\". This shouldn't be a problem because transactions will always\r\n     * have a listener above, and atomic operations would correctly show a jitter of <increment value> ->\r\n     *     <incremented total> as the write is applied locally and then acknowledged at the server.\r\n     *\r\n     * Note: this method will *include* hidden writes from transaction with applyLocally set to false.\r\n     *\r\n     * @param path The path to the data we want\r\n     * @param writeIdsToExclude A specific set to be excluded\r\n     */\r\n    SyncTree.prototype.calcCompleteEventCache = function (path, writeIdsToExclude) {\r\n        var includeHiddenSets = true;\r\n        var writeTree = this.pendingWriteTree_;\r\n        var serverCache = this.syncPointTree_.findOnPath(path, function (pathSoFar, syncPoint) {\r\n            var relativePath = Path.relativePath(pathSoFar, path);\r\n            var serverCache = syncPoint.getCompleteServerCache(relativePath);\r\n            if (serverCache) {\r\n                return serverCache;\r\n            }\r\n        });\r\n        return writeTree.calcCompleteEventCache(path, serverCache, writeIdsToExclude, includeHiddenSets);\r\n    };\r\n    /**\r\n     * This collapses multiple unfiltered views into a single view, since we only need a single\r\n     * listener for them.\r\n     */\r\n    SyncTree.prototype.collectDistinctViewsForSubTree_ = function (subtree) {\r\n        return subtree.fold(function (relativePath, maybeChildSyncPoint, childMap) {\r\n            if (maybeChildSyncPoint && maybeChildSyncPoint.hasCompleteView()) {\r\n                var completeView = maybeChildSyncPoint.getCompleteView();\r\n                return [completeView];\r\n            }\r\n            else {\r\n                // No complete view here, flatten any deeper listens into an array\r\n                var views_1 = [];\r\n                if (maybeChildSyncPoint) {\r\n                    views_1 = maybeChildSyncPoint.getQueryViews();\r\n                }\r\n                each(childMap, function (_key, childViews) {\r\n                    views_1 = views_1.concat(childViews);\r\n                });\r\n                return views_1;\r\n            }\r\n        });\r\n    };\r\n    SyncTree.prototype.removeTags_ = function (queries) {\r\n        for (var j = 0; j < queries.length; ++j) {\r\n            var removedQuery = queries[j];\r\n            if (!removedQuery.getQueryParams().loadsAllData()) {\r\n                // We should have a tag for this\r\n                var removedQueryKey = SyncTree.makeQueryKey_(removedQuery);\r\n                var removedQueryTag = this.queryToTagMap.get(removedQueryKey);\r\n                this.queryToTagMap.delete(removedQueryKey);\r\n                this.tagToQueryMap.delete(removedQueryTag);\r\n            }\r\n        }\r\n    };\r\n    /**\r\n     * Normalizes a query to a query we send the server for listening\r\n     *\r\n     * @return The normalized query\r\n     */\r\n    SyncTree.queryForListening_ = function (query) {\r\n        if (query.getQueryParams().loadsAllData() &&\r\n            !query.getQueryParams().isDefault()) {\r\n            // We treat queries that load all data as default queries\r\n            // Cast is necessary because ref() technically returns Firebase which is actually fb.api.Firebase which inherits\r\n            // from Query\r\n            return query.getRef();\r\n        }\r\n        else {\r\n            return query;\r\n        }\r\n    };\r\n    /**\r\n     * For a given new listen, manage the de-duplication of outstanding subscriptions.\r\n     *\r\n     * @return This method can return events to support synchronous data sources\r\n     */\r\n    SyncTree.prototype.setupListener_ = function (query, view) {\r\n        var path = query.path;\r\n        var tag = this.tagForQuery_(query);\r\n        var listener = this.createListenerForView_(view);\r\n        var events = this.listenProvider_.startListening(SyncTree.queryForListening_(query), tag, listener.hashFn, listener.onComplete);\r\n        var subtree = this.syncPointTree_.subtree(path);\r\n        // The root of this subtree has our query. We're here because we definitely need to send a listen for that, but we\r\n        // may need to shadow other listens as well.\r\n        if (tag) {\r\n            util.assert(!subtree.value.hasCompleteView(), \"If we're adding a query, it shouldn't be shadowed\");\r\n        }\r\n        else {\r\n            // Shadow everything at or below this location, this is a default listener.\r\n            var queriesToStop = subtree.fold(function (relativePath, maybeChildSyncPoint, childMap) {\r\n                if (!relativePath.isEmpty() &&\r\n                    maybeChildSyncPoint &&\r\n                    maybeChildSyncPoint.hasCompleteView()) {\r\n                    return [maybeChildSyncPoint.getCompleteView().getQuery()];\r\n                }\r\n                else {\r\n                    // No default listener here, flatten any deeper queries into an array\r\n                    var queries_1 = [];\r\n                    if (maybeChildSyncPoint) {\r\n                        queries_1 = queries_1.concat(maybeChildSyncPoint.getQueryViews().map(function (view) { return view.getQuery(); }));\r\n                    }\r\n                    each(childMap, function (_key, childQueries) {\r\n                        queries_1 = queries_1.concat(childQueries);\r\n                    });\r\n                    return queries_1;\r\n                }\r\n            });\r\n            for (var i = 0; i < queriesToStop.length; ++i) {\r\n                var queryToStop = queriesToStop[i];\r\n                this.listenProvider_.stopListening(SyncTree.queryForListening_(queryToStop), this.tagForQuery_(queryToStop));\r\n            }\r\n        }\r\n        return events;\r\n    };\r\n    SyncTree.prototype.createListenerForView_ = function (view) {\r\n        var _this = this;\r\n        var query = view.getQuery();\r\n        var tag = this.tagForQuery_(query);\r\n        return {\r\n            hashFn: function () {\r\n                var cache = view.getServerCache() || ChildrenNode.EMPTY_NODE;\r\n                return cache.hash();\r\n            },\r\n            onComplete: function (status) {\r\n                if (status === 'ok') {\r\n                    if (tag) {\r\n                        return _this.applyTaggedListenComplete(query.path, tag);\r\n                    }\r\n                    else {\r\n                        return _this.applyListenComplete(query.path);\r\n                    }\r\n                }\r\n                else {\r\n                    // If a listen failed, kill all of the listeners here, not just the one that triggered the error.\r\n                    // Note that this may need to be scoped to just this listener if we change permissions on filtered children\r\n                    var error = errorForServerCode(status, query);\r\n                    return _this.removeEventRegistration(query, \r\n                    /*eventRegistration*/ null, error);\r\n                }\r\n            }\r\n        };\r\n    };\r\n    /**\r\n     * Given a query, computes a \"queryKey\" suitable for use in our queryToTagMap_.\r\n     */\r\n    SyncTree.makeQueryKey_ = function (query) {\r\n        return query.path.toString() + '$' + query.queryIdentifier();\r\n    };\r\n    /**\r\n     * Given a queryKey (created by makeQueryKey), parse it back into a path and queryId.\r\n     */\r\n    SyncTree.parseQueryKey_ = function (queryKey) {\r\n        var splitIndex = queryKey.indexOf('$');\r\n        util.assert(splitIndex !== -1 && splitIndex < queryKey.length - 1, 'Bad queryKey.');\r\n        return {\r\n            queryId: queryKey.substr(splitIndex + 1),\r\n            path: new Path(queryKey.substr(0, splitIndex))\r\n        };\r\n    };\r\n    /**\r\n     * Return the query associated with the given tag, if we have one\r\n     */\r\n    SyncTree.prototype.queryKeyForTag_ = function (tag) {\r\n        return this.tagToQueryMap.get(tag);\r\n    };\r\n    /**\r\n     * Return the tag associated with the given query.\r\n     */\r\n    SyncTree.prototype.tagForQuery_ = function (query) {\r\n        var queryKey = SyncTree.makeQueryKey_(query);\r\n        return this.queryToTagMap.get(queryKey);\r\n    };\r\n    /**\r\n     * Static accessor for query tags.\r\n     */\r\n    SyncTree.getNextQueryTag_ = function () {\r\n        return SyncTree.nextQueryTag_++;\r\n    };\r\n    /**\r\n     * A helper method to apply tagged operations\r\n     */\r\n    SyncTree.prototype.applyTaggedOperation_ = function (queryPath, operation) {\r\n        var syncPoint = this.syncPointTree_.get(queryPath);\r\n        util.assert(syncPoint, \"Missing sync point for query tag that we're tracking\");\r\n        var writesCache = this.pendingWriteTree_.childWrites(queryPath);\r\n        return syncPoint.applyOperation(operation, writesCache, \r\n        /*serverCache=*/ null);\r\n    };\r\n    /**\r\n     * A helper method that visits all descendant and ancestor SyncPoints, applying the operation.\r\n     *\r\n     * NOTES:\r\n     * - Descendant SyncPoints will be visited first (since we raise events depth-first).\r\n     *\r\n     * - We call applyOperation() on each SyncPoint passing three things:\r\n     *   1. A version of the Operation that has been made relative to the SyncPoint location.\r\n     *   2. A WriteTreeRef of any writes we have cached at the SyncPoint location.\r\n     *   3. A snapshot Node with cached server data, if we have it.\r\n     *\r\n     * - We concatenate all of the events returned by each SyncPoint and return the result.\r\n     */\r\n    SyncTree.prototype.applyOperationToSyncPoints_ = function (operation) {\r\n        return this.applyOperationHelper_(operation, this.syncPointTree_, \r\n        /*serverCache=*/ null, this.pendingWriteTree_.childWrites(Path.Empty));\r\n    };\r\n    /**\r\n     * Recursive helper for applyOperationToSyncPoints_\r\n     */\r\n    SyncTree.prototype.applyOperationHelper_ = function (operation, syncPointTree, serverCache, writesCache) {\r\n        if (operation.path.isEmpty()) {\r\n            return this.applyOperationDescendantsHelper_(operation, syncPointTree, serverCache, writesCache);\r\n        }\r\n        else {\r\n            var syncPoint = syncPointTree.get(Path.Empty);\r\n            // If we don't have cached server data, see if we can get it from this SyncPoint.\r\n            if (serverCache == null && syncPoint != null) {\r\n                serverCache = syncPoint.getCompleteServerCache(Path.Empty);\r\n            }\r\n            var events = [];\r\n            var childName = operation.path.getFront();\r\n            var childOperation = operation.operationForChild(childName);\r\n            var childTree = syncPointTree.children.get(childName);\r\n            if (childTree && childOperation) {\r\n                var childServerCache = serverCache\r\n                    ? serverCache.getImmediateChild(childName)\r\n                    : null;\r\n                var childWritesCache = writesCache.child(childName);\r\n                events = events.concat(this.applyOperationHelper_(childOperation, childTree, childServerCache, childWritesCache));\r\n            }\r\n            if (syncPoint) {\r\n                events = events.concat(syncPoint.applyOperation(operation, writesCache, serverCache));\r\n            }\r\n            return events;\r\n        }\r\n    };\r\n    /**\r\n     * Recursive helper for applyOperationToSyncPoints_\r\n     */\r\n    SyncTree.prototype.applyOperationDescendantsHelper_ = function (operation, syncPointTree, serverCache, writesCache) {\r\n        var _this = this;\r\n        var syncPoint = syncPointTree.get(Path.Empty);\r\n        // If we don't have cached server data, see if we can get it from this SyncPoint.\r\n        if (serverCache == null && syncPoint != null) {\r\n            serverCache = syncPoint.getCompleteServerCache(Path.Empty);\r\n        }\r\n        var events = [];\r\n        syncPointTree.children.inorderTraversal(function (childName, childTree) {\r\n            var childServerCache = serverCache\r\n                ? serverCache.getImmediateChild(childName)\r\n                : null;\r\n            var childWritesCache = writesCache.child(childName);\r\n            var childOperation = operation.operationForChild(childName);\r\n            if (childOperation) {\r\n                events = events.concat(_this.applyOperationDescendantsHelper_(childOperation, childTree, childServerCache, childWritesCache));\r\n            }\r\n        });\r\n        if (syncPoint) {\r\n            events = events.concat(syncPoint.applyOperation(operation, writesCache, serverCache));\r\n        }\r\n        return events;\r\n    };\r\n    /**\r\n     * Static tracker for next query tag.\r\n     */\r\n    SyncTree.nextQueryTag_ = 1;\r\n    return SyncTree;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * Mutable object which basically just stores a reference to the \"latest\" immutable snapshot.\r\n *\r\n * @constructor\r\n */\r\nvar SnapshotHolder = /** @class */ (function () {\r\n    function SnapshotHolder() {\r\n        this.rootNode_ = ChildrenNode.EMPTY_NODE;\r\n    }\r\n    SnapshotHolder.prototype.getNode = function (path) {\r\n        return this.rootNode_.getChild(path);\r\n    };\r\n    SnapshotHolder.prototype.updateSnapshot = function (path, newSnapshotNode) {\r\n        this.rootNode_ = this.rootNode_.updateChild(path, newSnapshotNode);\r\n    };\r\n    return SnapshotHolder;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * Tracks a collection of stats.\r\n *\r\n * @constructor\r\n */\r\nvar StatsCollection = /** @class */ (function () {\r\n    function StatsCollection() {\r\n        this.counters_ = {};\r\n    }\r\n    StatsCollection.prototype.incrementCounter = function (name, amount) {\r\n        if (amount === void 0) { amount = 1; }\r\n        if (!util.contains(this.counters_, name)) {\r\n            this.counters_[name] = 0;\r\n        }\r\n        this.counters_[name] += amount;\r\n    };\r\n    StatsCollection.prototype.get = function () {\r\n        return util.deepCopy(this.counters_);\r\n    };\r\n    return StatsCollection;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nvar StatsManager = /** @class */ (function () {\r\n    function StatsManager() {\r\n    }\r\n    StatsManager.getCollection = function (repoInfo) {\r\n        var hashString = repoInfo.toString();\r\n        if (!this.collections_[hashString]) {\r\n            this.collections_[hashString] = new StatsCollection();\r\n        }\r\n        return this.collections_[hashString];\r\n    };\r\n    StatsManager.getOrCreateReporter = function (repoInfo, creatorFunction) {\r\n        var hashString = repoInfo.toString();\r\n        if (!this.reporters_[hashString]) {\r\n            this.reporters_[hashString] = creatorFunction();\r\n        }\r\n        return this.reporters_[hashString];\r\n    };\r\n    StatsManager.collections_ = {};\r\n    StatsManager.reporters_ = {};\r\n    return StatsManager;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * Returns the delta from the previous call to get stats.\r\n *\r\n * @param collection_ The collection to \"listen\" to.\r\n * @constructor\r\n */\r\nvar StatsListener = /** @class */ (function () {\r\n    function StatsListener(collection_) {\r\n        this.collection_ = collection_;\r\n        this.last_ = null;\r\n    }\r\n    StatsListener.prototype.get = function () {\r\n        var newStats = this.collection_.get();\r\n        var delta = tslib.__assign({}, newStats);\r\n        if (this.last_) {\r\n            each(this.last_, function (stat, value) {\r\n                delta[stat] = delta[stat] - value;\r\n            });\r\n        }\r\n        this.last_ = newStats;\r\n        return delta;\r\n    };\r\n    return StatsListener;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n// Assuming some apps may have a short amount of time on page, and a bulk of firebase operations probably\r\n// happen on page load, we try to report our first set of stats pretty quickly, but we wait at least 10\r\n// seconds to try to ensure the Firebase connection is established / settled.\r\nvar FIRST_STATS_MIN_TIME = 10 * 1000;\r\nvar FIRST_STATS_MAX_TIME = 30 * 1000;\r\n// We'll continue to report stats on average every 5 minutes.\r\nvar REPORT_STATS_INTERVAL = 5 * 60 * 1000;\r\n/**\r\n * @constructor\r\n */\r\nvar StatsReporter = /** @class */ (function () {\r\n    /**\r\n     * @param collection\r\n     * @param server_\r\n     */\r\n    function StatsReporter(collection, server_) {\r\n        this.server_ = server_;\r\n        this.statsToReport_ = {};\r\n        this.statsListener_ = new StatsListener(collection);\r\n        var timeout = FIRST_STATS_MIN_TIME +\r\n            (FIRST_STATS_MAX_TIME - FIRST_STATS_MIN_TIME) * Math.random();\r\n        setTimeoutNonBlocking(this.reportStats_.bind(this), Math.floor(timeout));\r\n    }\r\n    StatsReporter.prototype.includeStat = function (stat) {\r\n        this.statsToReport_[stat] = true;\r\n    };\r\n    StatsReporter.prototype.reportStats_ = function () {\r\n        var _this = this;\r\n        var stats = this.statsListener_.get();\r\n        var reportedStats = {};\r\n        var haveStatsToReport = false;\r\n        each(stats, function (stat, value) {\r\n            if (value > 0 && util.contains(_this.statsToReport_, stat)) {\r\n                reportedStats[stat] = value;\r\n                haveStatsToReport = true;\r\n            }\r\n        });\r\n        if (haveStatsToReport) {\r\n            this.server_.reportStats(reportedStats);\r\n        }\r\n        // queue our next run.\r\n        setTimeoutNonBlocking(this.reportStats_.bind(this), Math.floor(Math.random() * 2 * REPORT_STATS_INTERVAL));\r\n    };\r\n    return StatsReporter;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * The event queue serves a few purposes:\r\n * 1. It ensures we maintain event order in the face of event callbacks doing operations that result in more\r\n *    events being queued.\r\n * 2. raiseQueuedEvents() handles being called reentrantly nicely.  That is, if in the course of raising events,\r\n *    raiseQueuedEvents() is called again, the \"inner\" call will pick up raising events where the \"outer\" call\r\n *    left off, ensuring that the events are still raised synchronously and in order.\r\n * 3. You can use raiseEventsAtPath and raiseEventsForChangedPath to ensure only relevant previously-queued\r\n *    events are raised synchronously.\r\n *\r\n * NOTE: This can all go away if/when we move to async events.\r\n *\r\n * @constructor\r\n */\r\nvar EventQueue = /** @class */ (function () {\r\n    function EventQueue() {\r\n        /**\r\n         * @private\r\n         * @type {!Array.<EventList>}\r\n         */\r\n        this.eventLists_ = [];\r\n        /**\r\n         * Tracks recursion depth of raiseQueuedEvents_, for debugging purposes.\r\n         * @private\r\n         * @type {!number}\r\n         */\r\n        this.recursionDepth_ = 0;\r\n    }\r\n    /**\r\n     * @param {!Array.<Event>} eventDataList The new events to queue.\r\n     */\r\n    EventQueue.prototype.queueEvents = function (eventDataList) {\r\n        // We group events by path, storing them in a single EventList, to make it easier to skip over them quickly.\r\n        var currList = null;\r\n        for (var i = 0; i < eventDataList.length; i++) {\r\n            var eventData = eventDataList[i];\r\n            var eventPath = eventData.getPath();\r\n            if (currList !== null && !eventPath.equals(currList.getPath())) {\r\n                this.eventLists_.push(currList);\r\n                currList = null;\r\n            }\r\n            if (currList === null) {\r\n                currList = new EventList(eventPath);\r\n            }\r\n            currList.add(eventData);\r\n        }\r\n        if (currList) {\r\n            this.eventLists_.push(currList);\r\n        }\r\n    };\r\n    /**\r\n     * Queues the specified events and synchronously raises all events (including previously queued ones)\r\n     * for the specified path.\r\n     *\r\n     * It is assumed that the new events are all for the specified path.\r\n     *\r\n     * @param {!Path} path The path to raise events for.\r\n     * @param {!Array.<Event>} eventDataList The new events to raise.\r\n     */\r\n    EventQueue.prototype.raiseEventsAtPath = function (path, eventDataList) {\r\n        this.queueEvents(eventDataList);\r\n        this.raiseQueuedEventsMatchingPredicate_(function (eventPath) {\r\n            return eventPath.equals(path);\r\n        });\r\n    };\r\n    /**\r\n     * Queues the specified events and synchronously raises all events (including previously queued ones) for\r\n     * locations related to the specified change path (i.e. all ancestors and descendants).\r\n     *\r\n     * It is assumed that the new events are all related (ancestor or descendant) to the specified path.\r\n     *\r\n     * @param {!Path} changedPath The path to raise events for.\r\n     * @param {!Array.<!Event>} eventDataList The events to raise\r\n     */\r\n    EventQueue.prototype.raiseEventsForChangedPath = function (changedPath, eventDataList) {\r\n        this.queueEvents(eventDataList);\r\n        this.raiseQueuedEventsMatchingPredicate_(function (eventPath) {\r\n            return eventPath.contains(changedPath) || changedPath.contains(eventPath);\r\n        });\r\n    };\r\n    /**\r\n     * @param {!function(!Path):boolean} predicate\r\n     * @private\r\n     */\r\n    EventQueue.prototype.raiseQueuedEventsMatchingPredicate_ = function (predicate) {\r\n        this.recursionDepth_++;\r\n        var sentAll = true;\r\n        for (var i = 0; i < this.eventLists_.length; i++) {\r\n            var eventList = this.eventLists_[i];\r\n            if (eventList) {\r\n                var eventPath = eventList.getPath();\r\n                if (predicate(eventPath)) {\r\n                    this.eventLists_[i].raise();\r\n                    this.eventLists_[i] = null;\r\n                }\r\n                else {\r\n                    sentAll = false;\r\n                }\r\n            }\r\n        }\r\n        if (sentAll) {\r\n            this.eventLists_ = [];\r\n        }\r\n        this.recursionDepth_--;\r\n    };\r\n    return EventQueue;\r\n}());\r\n/**\r\n * @param {!Path} path\r\n * @constructor\r\n */\r\nvar EventList = /** @class */ (function () {\r\n    function EventList(path_) {\r\n        this.path_ = path_;\r\n        /**\r\n         * @type {!Array.<Event>}\r\n         * @private\r\n         */\r\n        this.events_ = [];\r\n    }\r\n    /**\r\n     * @param {!Event} eventData\r\n     */\r\n    EventList.prototype.add = function (eventData) {\r\n        this.events_.push(eventData);\r\n    };\r\n    /**\r\n     * Iterates through the list and raises each event\r\n     */\r\n    EventList.prototype.raise = function () {\r\n        for (var i = 0; i < this.events_.length; i++) {\r\n            var eventData = this.events_[i];\r\n            if (eventData !== null) {\r\n                this.events_[i] = null;\r\n                var eventFn = eventData.getEventRunner();\r\n                if (logger) {\r\n                    log('event: ' + eventData.toString());\r\n                }\r\n                exceptionGuard(eventFn);\r\n            }\r\n        }\r\n    };\r\n    /**\r\n     * @return {!Path}\r\n     */\r\n    EventList.prototype.getPath = function () {\r\n        return this.path_;\r\n    };\r\n    return EventList;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * Base class to be used if you want to emit events. Call the constructor with\r\n * the set of allowed event names.\r\n */\r\nvar EventEmitter = /** @class */ (function () {\r\n    /**\r\n     * @param {!Array.<string>} allowedEvents_\r\n     */\r\n    function EventEmitter(allowedEvents_) {\r\n        this.allowedEvents_ = allowedEvents_;\r\n        this.listeners_ = {};\r\n        util.assert(Array.isArray(allowedEvents_) && allowedEvents_.length > 0, 'Requires a non-empty array');\r\n    }\r\n    /**\r\n     * To be called by derived classes to trigger events.\r\n     * @param {!string} eventType\r\n     * @param {...*} varArgs\r\n     */\r\n    EventEmitter.prototype.trigger = function (eventType) {\r\n        var varArgs = [];\r\n        for (var _i = 1; _i < arguments.length; _i++) {\r\n            varArgs[_i - 1] = arguments[_i];\r\n        }\r\n        if (Array.isArray(this.listeners_[eventType])) {\r\n            // Clone the list, since callbacks could add/remove listeners.\r\n            var listeners = tslib.__spread(this.listeners_[eventType]);\r\n            for (var i = 0; i < listeners.length; i++) {\r\n                listeners[i].callback.apply(listeners[i].context, varArgs);\r\n            }\r\n        }\r\n    };\r\n    EventEmitter.prototype.on = function (eventType, callback, context) {\r\n        this.validateEventType_(eventType);\r\n        this.listeners_[eventType] = this.listeners_[eventType] || [];\r\n        this.listeners_[eventType].push({ callback: callback, context: context });\r\n        var eventData = this.getInitialEvent(eventType);\r\n        if (eventData) {\r\n            callback.apply(context, eventData);\r\n        }\r\n    };\r\n    EventEmitter.prototype.off = function (eventType, callback, context) {\r\n        this.validateEventType_(eventType);\r\n        var listeners = this.listeners_[eventType] || [];\r\n        for (var i = 0; i < listeners.length; i++) {\r\n            if (listeners[i].callback === callback &&\r\n                (!context || context === listeners[i].context)) {\r\n                listeners.splice(i, 1);\r\n                return;\r\n            }\r\n        }\r\n    };\r\n    EventEmitter.prototype.validateEventType_ = function (eventType) {\r\n        util.assert(this.allowedEvents_.find(function (et) {\r\n            return et === eventType;\r\n        }), 'Unknown event: ' + eventType);\r\n    };\r\n    return EventEmitter;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * @extends {EventEmitter}\r\n */\r\nvar VisibilityMonitor = /** @class */ (function (_super) {\r\n    tslib.__extends(VisibilityMonitor, _super);\r\n    function VisibilityMonitor() {\r\n        var _this = _super.call(this, ['visible']) || this;\r\n        var hidden;\r\n        var visibilityChange;\r\n        if (typeof document !== 'undefined' &&\r\n            typeof document.addEventListener !== 'undefined') {\r\n            if (typeof document['hidden'] !== 'undefined') {\r\n                // Opera 12.10 and Firefox 18 and later support\r\n                visibilityChange = 'visibilitychange';\r\n                hidden = 'hidden';\r\n            }\r\n            else if (typeof document['mozHidden'] !== 'undefined') {\r\n                visibilityChange = 'mozvisibilitychange';\r\n                hidden = 'mozHidden';\r\n            }\r\n            else if (typeof document['msHidden'] !== 'undefined') {\r\n                visibilityChange = 'msvisibilitychange';\r\n                hidden = 'msHidden';\r\n            }\r\n            else if (typeof document['webkitHidden'] !== 'undefined') {\r\n                visibilityChange = 'webkitvisibilitychange';\r\n                hidden = 'webkitHidden';\r\n            }\r\n        }\r\n        // Initially, we always assume we are visible. This ensures that in browsers\r\n        // without page visibility support or in cases where we are never visible\r\n        // (e.g. chrome extension), we act as if we are visible, i.e. don't delay\r\n        // reconnects\r\n        _this.visible_ = true;\r\n        if (visibilityChange) {\r\n            document.addEventListener(visibilityChange, function () {\r\n                var visible = !document[hidden];\r\n                if (visible !== _this.visible_) {\r\n                    _this.visible_ = visible;\r\n                    _this.trigger('visible', visible);\r\n                }\r\n            }, false);\r\n        }\r\n        return _this;\r\n    }\r\n    VisibilityMonitor.getInstance = function () {\r\n        return new VisibilityMonitor();\r\n    };\r\n    /**\r\n     * @param {!string} eventType\r\n     * @return {Array.<boolean>}\r\n     */\r\n    VisibilityMonitor.prototype.getInitialEvent = function (eventType) {\r\n        util.assert(eventType === 'visible', 'Unknown event type: ' + eventType);\r\n        return [this.visible_];\r\n    };\r\n    return VisibilityMonitor;\r\n}(EventEmitter));\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * Monitors online state (as reported by window.online/offline events).\r\n *\r\n * The expectation is that this could have many false positives (thinks we are online\r\n * when we're not), but no false negatives.  So we can safely use it to determine when\r\n * we definitely cannot reach the internet.\r\n *\r\n * @extends {EventEmitter}\r\n */\r\nvar OnlineMonitor = /** @class */ (function (_super) {\r\n    tslib.__extends(OnlineMonitor, _super);\r\n    function OnlineMonitor() {\r\n        var _this = _super.call(this, ['online']) || this;\r\n        _this.online_ = true;\r\n        // We've had repeated complaints that Cordova apps can get stuck \"offline\", e.g.\r\n        // https://forum.ionicframework.com/t/firebase-connection-is-lost-and-never-come-back/43810\r\n        // It would seem that the 'online' event does not always fire consistently. So we disable it\r\n        // for Cordova.\r\n        if (typeof window !== 'undefined' &&\r\n            typeof window.addEventListener !== 'undefined' &&\r\n            !util.isMobileCordova()) {\r\n            window.addEventListener('online', function () {\r\n                if (!_this.online_) {\r\n                    _this.online_ = true;\r\n                    _this.trigger('online', true);\r\n                }\r\n            }, false);\r\n            window.addEventListener('offline', function () {\r\n                if (_this.online_) {\r\n                    _this.online_ = false;\r\n                    _this.trigger('online', false);\r\n                }\r\n            }, false);\r\n        }\r\n        return _this;\r\n    }\r\n    OnlineMonitor.getInstance = function () {\r\n        return new OnlineMonitor();\r\n    };\r\n    /**\r\n     * @param {!string} eventType\r\n     * @return {Array.<boolean>}\r\n     */\r\n    OnlineMonitor.prototype.getInitialEvent = function (eventType) {\r\n        util.assert(eventType === 'online', 'Unknown event type: ' + eventType);\r\n        return [this.online_];\r\n    };\r\n    /**\r\n     * @return {boolean}\r\n     */\r\n    OnlineMonitor.prototype.currentlyOnline = function () {\r\n        return this.online_;\r\n    };\r\n    return OnlineMonitor;\r\n}(EventEmitter));\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * This class ensures the packets from the server arrive in order\r\n * This class takes data from the server and ensures it gets passed into the callbacks in order.\r\n * @constructor\r\n */\r\nvar PacketReceiver = /** @class */ (function () {\r\n    /**\r\n     * @param onMessage_\r\n     */\r\n    function PacketReceiver(onMessage_) {\r\n        this.onMessage_ = onMessage_;\r\n        this.pendingResponses = [];\r\n        this.currentResponseNum = 0;\r\n        this.closeAfterResponse = -1;\r\n        this.onClose = null;\r\n    }\r\n    PacketReceiver.prototype.closeAfter = function (responseNum, callback) {\r\n        this.closeAfterResponse = responseNum;\r\n        this.onClose = callback;\r\n        if (this.closeAfterResponse < this.currentResponseNum) {\r\n            this.onClose();\r\n            this.onClose = null;\r\n        }\r\n    };\r\n    /**\r\n     * Each message from the server comes with a response number, and an array of data. The responseNumber\r\n     * allows us to ensure that we process them in the right order, since we can't be guaranteed that all\r\n     * browsers will respond in the same order as the requests we sent\r\n     * @param {number} requestNum\r\n     * @param {Array} data\r\n     */\r\n    PacketReceiver.prototype.handleResponse = function (requestNum, data) {\r\n        var _this = this;\r\n        this.pendingResponses[requestNum] = data;\r\n        var _loop_1 = function () {\r\n            var toProcess = this_1.pendingResponses[this_1.currentResponseNum];\r\n            delete this_1.pendingResponses[this_1.currentResponseNum];\r\n            var _loop_2 = function (i) {\r\n                if (toProcess[i]) {\r\n                    exceptionGuard(function () {\r\n                        _this.onMessage_(toProcess[i]);\r\n                    });\r\n                }\r\n            };\r\n            for (var i = 0; i < toProcess.length; ++i) {\r\n                _loop_2(i);\r\n            }\r\n            if (this_1.currentResponseNum === this_1.closeAfterResponse) {\r\n                if (this_1.onClose) {\r\n                    this_1.onClose();\r\n                    this_1.onClose = null;\r\n                }\r\n                return \"break\";\r\n            }\r\n            this_1.currentResponseNum++;\r\n        };\r\n        var this_1 = this;\r\n        while (this.pendingResponses[this.currentResponseNum]) {\r\n            var state_1 = _loop_1();\r\n            if (state_1 === \"break\")\r\n                break;\r\n        }\r\n    };\r\n    return PacketReceiver;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n// URL query parameters associated with longpolling\r\nvar FIREBASE_LONGPOLL_START_PARAM = 'start';\r\nvar FIREBASE_LONGPOLL_CLOSE_COMMAND = 'close';\r\nvar FIREBASE_LONGPOLL_COMMAND_CB_NAME = 'pLPCommand';\r\nvar FIREBASE_LONGPOLL_DATA_CB_NAME = 'pRTLPCB';\r\nvar FIREBASE_LONGPOLL_ID_PARAM = 'id';\r\nvar FIREBASE_LONGPOLL_PW_PARAM = 'pw';\r\nvar FIREBASE_LONGPOLL_SERIAL_PARAM = 'ser';\r\nvar FIREBASE_LONGPOLL_CALLBACK_ID_PARAM = 'cb';\r\nvar FIREBASE_LONGPOLL_SEGMENT_NUM_PARAM = 'seg';\r\nvar FIREBASE_LONGPOLL_SEGMENTS_IN_PACKET = 'ts';\r\nvar FIREBASE_LONGPOLL_DATA_PARAM = 'd';\r\nvar FIREBASE_LONGPOLL_DISCONN_FRAME_REQUEST_PARAM = 'dframe';\r\n//Data size constants.\r\n//TODO: Perf: the maximum length actually differs from browser to browser.\r\n// We should check what browser we're on and set accordingly.\r\nvar MAX_URL_DATA_SIZE = 1870;\r\nvar SEG_HEADER_SIZE = 30; //ie: &seg=8299234&ts=982389123&d=\r\nvar MAX_PAYLOAD_SIZE = MAX_URL_DATA_SIZE - SEG_HEADER_SIZE;\r\n/**\r\n * Keepalive period\r\n * send a fresh request at minimum every 25 seconds. Opera has a maximum request\r\n * length of 30 seconds that we can't exceed.\r\n * @const\r\n * @type {number}\r\n */\r\nvar KEEPALIVE_REQUEST_INTERVAL = 25000;\r\n/**\r\n * How long to wait before aborting a long-polling connection attempt.\r\n * @const\r\n * @type {number}\r\n */\r\nvar LP_CONNECT_TIMEOUT = 30000;\r\n/**\r\n * This class manages a single long-polling connection.\r\n *\r\n * @constructor\r\n * @implements {Transport}\r\n */\r\nvar BrowserPollConnection = /** @class */ (function () {\r\n    /**\r\n     * @param connId An identifier for this connection, used for logging\r\n     * @param repoInfo The info for the endpoint to send data to.\r\n     * @param applicationId The Firebase App ID for this project.\r\n     * @param transportSessionId Optional transportSessionid if we are reconnecting for an existing\r\n     *                                         transport session\r\n     * @param lastSessionId Optional lastSessionId if the PersistentConnection has already created a\r\n     *                                     connection previously\r\n     */\r\n    function BrowserPollConnection(connId, repoInfo, applicationId, transportSessionId, lastSessionId) {\r\n        this.connId = connId;\r\n        this.repoInfo = repoInfo;\r\n        this.applicationId = applicationId;\r\n        this.transportSessionId = transportSessionId;\r\n        this.lastSessionId = lastSessionId;\r\n        this.bytesSent = 0;\r\n        this.bytesReceived = 0;\r\n        this.everConnected_ = false;\r\n        this.log_ = logWrapper(connId);\r\n        this.stats_ = StatsManager.getCollection(repoInfo);\r\n        this.urlFn = function (params) {\r\n            return repoInfo.connectionURL(LONG_POLLING, params);\r\n        };\r\n    }\r\n    /**\r\n     *\r\n     * @param {function(Object)} onMessage Callback when messages arrive\r\n     * @param {function()} onDisconnect Callback with connection lost.\r\n     */\r\n    BrowserPollConnection.prototype.open = function (onMessage, onDisconnect) {\r\n        var _this = this;\r\n        this.curSegmentNum = 0;\r\n        this.onDisconnect_ = onDisconnect;\r\n        this.myPacketOrderer = new PacketReceiver(onMessage);\r\n        this.isClosed_ = false;\r\n        this.connectTimeoutTimer_ = setTimeout(function () {\r\n            _this.log_('Timed out trying to connect.');\r\n            // Make sure we clear the host cache\r\n            _this.onClosed_();\r\n            _this.connectTimeoutTimer_ = null;\r\n            // eslint-disable-next-line @typescript-eslint/no-explicit-any\r\n        }, Math.floor(LP_CONNECT_TIMEOUT));\r\n        // Ensure we delay the creation of the iframe until the DOM is loaded.\r\n        executeWhenDOMReady(function () {\r\n            if (_this.isClosed_) {\r\n                return;\r\n            }\r\n            //Set up a callback that gets triggered once a connection is set up.\r\n            _this.scriptTagHolder = new FirebaseIFrameScriptHolder(function () {\r\n                var args = [];\r\n                for (var _i = 0; _i < arguments.length; _i++) {\r\n                    args[_i] = arguments[_i];\r\n                }\r\n                var _a = tslib.__read(args, 5), command = _a[0], arg1 = _a[1], arg2 = _a[2], arg3 = _a[3], arg4 = _a[4];\r\n                _this.incrementIncomingBytes_(args);\r\n                if (!_this.scriptTagHolder) {\r\n                    return; // we closed the connection.\r\n                }\r\n                if (_this.connectTimeoutTimer_) {\r\n                    clearTimeout(_this.connectTimeoutTimer_);\r\n                    _this.connectTimeoutTimer_ = null;\r\n                }\r\n                _this.everConnected_ = true;\r\n                if (command === FIREBASE_LONGPOLL_START_PARAM) {\r\n                    _this.id = arg1;\r\n                    _this.password = arg2;\r\n                }\r\n                else if (command === FIREBASE_LONGPOLL_CLOSE_COMMAND) {\r\n                    // Don't clear the host cache. We got a response from the server, so we know it's reachable\r\n                    if (arg1) {\r\n                        // We aren't expecting any more data (other than what the server's already in the process of sending us\r\n                        // through our already open polls), so don't send any more.\r\n                        _this.scriptTagHolder.sendNewPolls = false;\r\n                        // arg1 in this case is the last response number sent by the server. We should try to receive\r\n                        // all of the responses up to this one before closing\r\n                        _this.myPacketOrderer.closeAfter(arg1, function () {\r\n                            _this.onClosed_();\r\n                        });\r\n                    }\r\n                    else {\r\n                        _this.onClosed_();\r\n                    }\r\n                }\r\n                else {\r\n                    throw new Error('Unrecognized command received: ' + command);\r\n                }\r\n            }, function () {\r\n                var args = [];\r\n                for (var _i = 0; _i < arguments.length; _i++) {\r\n                    args[_i] = arguments[_i];\r\n                }\r\n                var _a = tslib.__read(args, 2), pN = _a[0], data = _a[1];\r\n                _this.incrementIncomingBytes_(args);\r\n                _this.myPacketOrderer.handleResponse(pN, data);\r\n            }, function () {\r\n                _this.onClosed_();\r\n            }, _this.urlFn);\r\n            //Send the initial request to connect. The serial number is simply to keep the browser from pulling previous results\r\n            //from cache.\r\n            var urlParams = {};\r\n            urlParams[FIREBASE_LONGPOLL_START_PARAM] = 't';\r\n            urlParams[FIREBASE_LONGPOLL_SERIAL_PARAM] = Math.floor(Math.random() * 100000000);\r\n            if (_this.scriptTagHolder.uniqueCallbackIdentifier) {\r\n                urlParams[FIREBASE_LONGPOLL_CALLBACK_ID_PARAM] = _this.scriptTagHolder.uniqueCallbackIdentifier;\r\n            }\r\n            urlParams[VERSION_PARAM] = PROTOCOL_VERSION;\r\n            if (_this.transportSessionId) {\r\n                urlParams[TRANSPORT_SESSION_PARAM] = _this.transportSessionId;\r\n            }\r\n            if (_this.lastSessionId) {\r\n                urlParams[LAST_SESSION_PARAM] = _this.lastSessionId;\r\n            }\r\n            if (_this.applicationId) {\r\n                urlParams[APPLICATION_ID_PARAM] = _this.applicationId;\r\n            }\r\n            if (typeof location !== 'undefined' &&\r\n                location.href &&\r\n                location.href.indexOf(FORGE_DOMAIN) !== -1) {\r\n                urlParams[REFERER_PARAM] = FORGE_REF;\r\n            }\r\n            var connectURL = _this.urlFn(urlParams);\r\n            _this.log_('Connecting via long-poll to ' + connectURL);\r\n            _this.scriptTagHolder.addTag(connectURL, function () {\r\n                /* do nothing */\r\n            });\r\n        });\r\n    };\r\n    /**\r\n     * Call this when a handshake has completed successfully and we want to consider the connection established\r\n     */\r\n    BrowserPollConnection.prototype.start = function () {\r\n        this.scriptTagHolder.startLongPoll(this.id, this.password);\r\n        this.addDisconnectPingFrame(this.id, this.password);\r\n    };\r\n    /**\r\n     * Forces long polling to be considered as a potential transport\r\n     */\r\n    BrowserPollConnection.forceAllow = function () {\r\n        BrowserPollConnection.forceAllow_ = true;\r\n    };\r\n    /**\r\n     * Forces longpolling to not be considered as a potential transport\r\n     */\r\n    BrowserPollConnection.forceDisallow = function () {\r\n        BrowserPollConnection.forceDisallow_ = true;\r\n    };\r\n    // Static method, use string literal so it can be accessed in a generic way\r\n    BrowserPollConnection.isAvailable = function () {\r\n        if (util.isNodeSdk()) {\r\n            return false;\r\n        }\r\n        else if (BrowserPollConnection.forceAllow_) {\r\n            return true;\r\n        }\r\n        else {\r\n            // NOTE: In React-Native there's normally no 'document', but if you debug a React-Native app in\r\n            // the Chrome debugger, 'document' is defined, but document.createElement is null (2015/06/08).\r\n            return (!BrowserPollConnection.forceDisallow_ &&\r\n                typeof document !== 'undefined' &&\r\n                document.createElement != null &&\r\n                !isChromeExtensionContentScript() &&\r\n                !isWindowsStoreApp());\r\n        }\r\n    };\r\n    /**\r\n     * No-op for polling\r\n     */\r\n    BrowserPollConnection.prototype.markConnectionHealthy = function () { };\r\n    /**\r\n     * Stops polling and cleans up the iframe\r\n     * @private\r\n     */\r\n    BrowserPollConnection.prototype.shutdown_ = function () {\r\n        this.isClosed_ = true;\r\n        if (this.scriptTagHolder) {\r\n            this.scriptTagHolder.close();\r\n            this.scriptTagHolder = null;\r\n        }\r\n        //remove the disconnect frame, which will trigger an XHR call to the server to tell it we're leaving.\r\n        if (this.myDisconnFrame) {\r\n            document.body.removeChild(this.myDisconnFrame);\r\n            this.myDisconnFrame = null;\r\n        }\r\n        if (this.connectTimeoutTimer_) {\r\n            clearTimeout(this.connectTimeoutTimer_);\r\n            this.connectTimeoutTimer_ = null;\r\n        }\r\n    };\r\n    /**\r\n     * Triggered when this transport is closed\r\n     * @private\r\n     */\r\n    BrowserPollConnection.prototype.onClosed_ = function () {\r\n        if (!this.isClosed_) {\r\n            this.log_('Longpoll is closing itself');\r\n            this.shutdown_();\r\n            if (this.onDisconnect_) {\r\n                this.onDisconnect_(this.everConnected_);\r\n                this.onDisconnect_ = null;\r\n            }\r\n        }\r\n    };\r\n    /**\r\n     * External-facing close handler. RealTime has requested we shut down. Kill our connection and tell the server\r\n     * that we've left.\r\n     */\r\n    BrowserPollConnection.prototype.close = function () {\r\n        if (!this.isClosed_) {\r\n            this.log_('Longpoll is being closed.');\r\n            this.shutdown_();\r\n        }\r\n    };\r\n    /**\r\n     * Send the JSON object down to the server. It will need to be stringified, base64 encoded, and then\r\n     * broken into chunks (since URLs have a small maximum length).\r\n     * @param {!Object} data The JSON data to transmit.\r\n     */\r\n    BrowserPollConnection.prototype.send = function (data) {\r\n        var dataStr = util.stringify(data);\r\n        this.bytesSent += dataStr.length;\r\n        this.stats_.incrementCounter('bytes_sent', dataStr.length);\r\n        //first, lets get the base64-encoded data\r\n        var base64data = util.base64Encode(dataStr);\r\n        //We can only fit a certain amount in each URL, so we need to split this request\r\n        //up into multiple pieces if it doesn't fit in one request.\r\n        var dataSegs = splitStringBySize(base64data, MAX_PAYLOAD_SIZE);\r\n        //Enqueue each segment for transmission. We assign each chunk a sequential ID and a total number\r\n        //of segments so that we can reassemble the packet on the server.\r\n        for (var i = 0; i < dataSegs.length; i++) {\r\n            this.scriptTagHolder.enqueueSegment(this.curSegmentNum, dataSegs.length, dataSegs[i]);\r\n            this.curSegmentNum++;\r\n        }\r\n    };\r\n    /**\r\n     * This is how we notify the server that we're leaving.\r\n     * We aren't able to send requests with DHTML on a window close event, but we can\r\n     * trigger XHR requests in some browsers (everything but Opera basically).\r\n     * @param {!string} id\r\n     * @param {!string} pw\r\n     */\r\n    BrowserPollConnection.prototype.addDisconnectPingFrame = function (id, pw) {\r\n        if (util.isNodeSdk()) {\r\n            return;\r\n        }\r\n        this.myDisconnFrame = document.createElement('iframe');\r\n        var urlParams = {};\r\n        urlParams[FIREBASE_LONGPOLL_DISCONN_FRAME_REQUEST_PARAM] = 't';\r\n        urlParams[FIREBASE_LONGPOLL_ID_PARAM] = id;\r\n        urlParams[FIREBASE_LONGPOLL_PW_PARAM] = pw;\r\n        this.myDisconnFrame.src = this.urlFn(urlParams);\r\n        this.myDisconnFrame.style.display = 'none';\r\n        document.body.appendChild(this.myDisconnFrame);\r\n    };\r\n    /**\r\n     * Used to track the bytes received by this client\r\n     * @param {*} args\r\n     * @private\r\n     */\r\n    BrowserPollConnection.prototype.incrementIncomingBytes_ = function (args) {\r\n        // TODO: This is an annoying perf hit just to track the number of incoming bytes.  Maybe it should be opt-in.\r\n        var bytesReceived = util.stringify(args).length;\r\n        this.bytesReceived += bytesReceived;\r\n        this.stats_.incrementCounter('bytes_received', bytesReceived);\r\n    };\r\n    return BrowserPollConnection;\r\n}());\r\n/*********************************************************************************************\r\n * A wrapper around an iframe that is used as a long-polling script holder.\r\n * @constructor\r\n *********************************************************************************************/\r\nvar FirebaseIFrameScriptHolder = /** @class */ (function () {\r\n    /**\r\n     * @param commandCB - The callback to be called when control commands are recevied from the server.\r\n     * @param onMessageCB - The callback to be triggered when responses arrive from the server.\r\n     * @param onDisconnect - The callback to be triggered when this tag holder is closed\r\n     * @param urlFn - A function that provides the URL of the endpoint to send data to.\r\n     */\r\n    function FirebaseIFrameScriptHolder(commandCB, onMessageCB, onDisconnect, urlFn) {\r\n        this.onDisconnect = onDisconnect;\r\n        this.urlFn = urlFn;\r\n        //We maintain a count of all of the outstanding requests, because if we have too many active at once it can cause\r\n        //problems in some browsers.\r\n        this.outstandingRequests = new Set();\r\n        //A queue of the pending segments waiting for transmission to the server.\r\n        this.pendingSegs = [];\r\n        //A serial number. We use this for two things:\r\n        // 1) A way to ensure the browser doesn't cache responses to polls\r\n        // 2) A way to make the server aware when long-polls arrive in a different order than we started them. The\r\n        //    server needs to release both polls in this case or it will cause problems in Opera since Opera can only execute\r\n        //    JSONP code in the order it was added to the iframe.\r\n        this.currentSerial = Math.floor(Math.random() * 100000000);\r\n        // This gets set to false when we're \"closing down\" the connection (e.g. we're switching transports but there's still\r\n        // incoming data from the server that we're waiting for).\r\n        this.sendNewPolls = true;\r\n        if (!util.isNodeSdk()) {\r\n            //Each script holder registers a couple of uniquely named callbacks with the window. These are called from the\r\n            //iframes where we put the long-polling script tags. We have two callbacks:\r\n            //   1) Command Callback - Triggered for control issues, like starting a connection.\r\n            //   2) Message Callback - Triggered when new data arrives.\r\n            this.uniqueCallbackIdentifier = LUIDGenerator();\r\n            window[FIREBASE_LONGPOLL_COMMAND_CB_NAME + this.uniqueCallbackIdentifier] = commandCB;\r\n            window[FIREBASE_LONGPOLL_DATA_CB_NAME + this.uniqueCallbackIdentifier] = onMessageCB;\r\n            //Create an iframe for us to add script tags to.\r\n            this.myIFrame = FirebaseIFrameScriptHolder.createIFrame_();\r\n            // Set the iframe's contents.\r\n            var script = '';\r\n            // if we set a javascript url, it's IE and we need to set the document domain. The javascript url is sufficient\r\n            // for ie9, but ie8 needs to do it again in the document itself.\r\n            if (this.myIFrame.src &&\r\n                this.myIFrame.src.substr(0, 'javascript:'.length) === 'javascript:') {\r\n                var currentDomain = document.domain;\r\n                script = '<script>document.domain=\"' + currentDomain + '\";<\/script>';\r\n            }\r\n            var iframeContents = '<html><body>' + script + '</body></html>';\r\n            try {\r\n                this.myIFrame.doc.open();\r\n                this.myIFrame.doc.write(iframeContents);\r\n                this.myIFrame.doc.close();\r\n            }\r\n            catch (e) {\r\n                log('frame writing exception');\r\n                if (e.stack) {\r\n                    log(e.stack);\r\n                }\r\n                log(e);\r\n            }\r\n        }\r\n        else {\r\n            this.commandCB = commandCB;\r\n            this.onMessageCB = onMessageCB;\r\n        }\r\n    }\r\n    /**\r\n     * Each browser has its own funny way to handle iframes. Here we mush them all together into one object that I can\r\n     * actually use.\r\n     * @private\r\n     * @return {Element}\r\n     */\r\n    FirebaseIFrameScriptHolder.createIFrame_ = function () {\r\n        var iframe = document.createElement('iframe');\r\n        iframe.style.display = 'none';\r\n        // This is necessary in order to initialize the document inside the iframe\r\n        if (document.body) {\r\n            document.body.appendChild(iframe);\r\n            try {\r\n                // If document.domain has been modified in IE, this will throw an error, and we need to set the\r\n                // domain of the iframe's document manually. We can do this via a javascript: url as the src attribute\r\n                // Also note that we must do this *after* the iframe has been appended to the page. Otherwise it doesn't work.\r\n                var a = iframe.contentWindow.document;\r\n                if (!a) {\r\n                    // Apologies for the log-spam, I need to do something to keep closure from optimizing out the assignment above.\r\n                    log('No IE domain setting required');\r\n                }\r\n            }\r\n            catch (e) {\r\n                var domain = document.domain;\r\n                iframe.src =\r\n                    \"javascript:void((function(){document.open();document.domain='\" +\r\n                        domain +\r\n                        \"';document.close();})())\";\r\n            }\r\n        }\r\n        else {\r\n            // LongPollConnection attempts to delay initialization until the document is ready, so hopefully this\r\n            // never gets hit.\r\n            throw 'Document body has not initialized. Wait to initialize Firebase until after the document is ready.';\r\n        }\r\n        // Get the document of the iframe in a browser-specific way.\r\n        if (iframe.contentDocument) {\r\n            iframe.doc = iframe.contentDocument; // Firefox, Opera, Safari\r\n        }\r\n        else if (iframe.contentWindow) {\r\n            iframe.doc = iframe.contentWindow.document; // Internet Explorer\r\n            // eslint-disable-next-line @typescript-eslint/no-explicit-any\r\n        }\r\n        else if (iframe.document) {\r\n            // eslint-disable-next-line @typescript-eslint/no-explicit-any\r\n            iframe.doc = iframe.document; //others?\r\n        }\r\n        return iframe;\r\n    };\r\n    /**\r\n     * Cancel all outstanding queries and remove the frame.\r\n     */\r\n    FirebaseIFrameScriptHolder.prototype.close = function () {\r\n        var _this = this;\r\n        //Mark this iframe as dead, so no new requests are sent.\r\n        this.alive = false;\r\n        if (this.myIFrame) {\r\n            //We have to actually remove all of the html inside this iframe before removing it from the\r\n            //window, or IE will continue loading and executing the script tags we've already added, which\r\n            //can lead to some errors being thrown. Setting innerHTML seems to be the easiest way to do this.\r\n            this.myIFrame.doc.body.innerHTML = '';\r\n            setTimeout(function () {\r\n                if (_this.myIFrame !== null) {\r\n                    document.body.removeChild(_this.myIFrame);\r\n                    _this.myIFrame = null;\r\n                }\r\n            }, Math.floor(0));\r\n        }\r\n        // Protect from being called recursively.\r\n        var onDisconnect = this.onDisconnect;\r\n        if (onDisconnect) {\r\n            this.onDisconnect = null;\r\n            onDisconnect();\r\n        }\r\n    };\r\n    /**\r\n     * Actually start the long-polling session by adding the first script tag(s) to the iframe.\r\n     * @param {!string} id - The ID of this connection\r\n     * @param {!string} pw - The password for this connection\r\n     */\r\n    FirebaseIFrameScriptHolder.prototype.startLongPoll = function (id, pw) {\r\n        this.myID = id;\r\n        this.myPW = pw;\r\n        this.alive = true;\r\n        //send the initial request. If there are requests queued, make sure that we transmit as many as we are currently able to.\r\n        while (this.newRequest_()) { }\r\n    };\r\n    /**\r\n     * This is called any time someone might want a script tag to be added. It adds a script tag when there aren't\r\n     * too many outstanding requests and we are still alive.\r\n     *\r\n     * If there are outstanding packet segments to send, it sends one. If there aren't, it sends a long-poll anyways if\r\n     * needed.\r\n     */\r\n    FirebaseIFrameScriptHolder.prototype.newRequest_ = function () {\r\n        // We keep one outstanding request open all the time to receive data, but if we need to send data\r\n        // (pendingSegs.length > 0) then we create a new request to send the data.  The server will automatically\r\n        // close the old request.\r\n        if (this.alive &&\r\n            this.sendNewPolls &&\r\n            this.outstandingRequests.size < (this.pendingSegs.length > 0 ? 2 : 1)) {\r\n            //construct our url\r\n            this.currentSerial++;\r\n            var urlParams = {};\r\n            urlParams[FIREBASE_LONGPOLL_ID_PARAM] = this.myID;\r\n            urlParams[FIREBASE_LONGPOLL_PW_PARAM] = this.myPW;\r\n            urlParams[FIREBASE_LONGPOLL_SERIAL_PARAM] = this.currentSerial;\r\n            var theURL = this.urlFn(urlParams);\r\n            //Now add as much data as we can.\r\n            var curDataString = '';\r\n            var i = 0;\r\n            while (this.pendingSegs.length > 0) {\r\n                //first, lets see if the next segment will fit.\r\n                var nextSeg = this.pendingSegs[0];\r\n                if (nextSeg.d.length +\r\n                    SEG_HEADER_SIZE +\r\n                    curDataString.length <=\r\n                    MAX_URL_DATA_SIZE) {\r\n                    //great, the segment will fit. Lets append it.\r\n                    var theSeg = this.pendingSegs.shift();\r\n                    curDataString =\r\n                        curDataString +\r\n                            '&' +\r\n                            FIREBASE_LONGPOLL_SEGMENT_NUM_PARAM +\r\n                            i +\r\n                            '=' +\r\n                            theSeg.seg +\r\n                            '&' +\r\n                            FIREBASE_LONGPOLL_SEGMENTS_IN_PACKET +\r\n                            i +\r\n                            '=' +\r\n                            theSeg.ts +\r\n                            '&' +\r\n                            FIREBASE_LONGPOLL_DATA_PARAM +\r\n                            i +\r\n                            '=' +\r\n                            theSeg.d;\r\n                    i++;\r\n                }\r\n                else {\r\n                    break;\r\n                }\r\n            }\r\n            theURL = theURL + curDataString;\r\n            this.addLongPollTag_(theURL, this.currentSerial);\r\n            return true;\r\n        }\r\n        else {\r\n            return false;\r\n        }\r\n    };\r\n    /**\r\n     * Queue a packet for transmission to the server.\r\n     * @param segnum - A sequential id for this packet segment used for reassembly\r\n     * @param totalsegs - The total number of segments in this packet\r\n     * @param data - The data for this segment.\r\n     */\r\n    FirebaseIFrameScriptHolder.prototype.enqueueSegment = function (segnum, totalsegs, data) {\r\n        //add this to the queue of segments to send.\r\n        this.pendingSegs.push({ seg: segnum, ts: totalsegs, d: data });\r\n        //send the data immediately if there isn't already data being transmitted, unless\r\n        //startLongPoll hasn't been called yet.\r\n        if (this.alive) {\r\n            this.newRequest_();\r\n        }\r\n    };\r\n    /**\r\n     * Add a script tag for a regular long-poll request.\r\n     * @param {!string} url - The URL of the script tag.\r\n     * @param {!number} serial - The serial number of the request.\r\n     * @private\r\n     */\r\n    FirebaseIFrameScriptHolder.prototype.addLongPollTag_ = function (url, serial) {\r\n        var _this = this;\r\n        //remember that we sent this request.\r\n        this.outstandingRequests.add(serial);\r\n        var doNewRequest = function () {\r\n            _this.outstandingRequests.delete(serial);\r\n            _this.newRequest_();\r\n        };\r\n        // If this request doesn't return on its own accord (by the server sending us some data), we'll\r\n        // create a new one after the KEEPALIVE interval to make sure we always keep a fresh request open.\r\n        var keepaliveTimeout = setTimeout(doNewRequest, Math.floor(KEEPALIVE_REQUEST_INTERVAL));\r\n        var readyStateCB = function () {\r\n            // Request completed.  Cancel the keepalive.\r\n            clearTimeout(keepaliveTimeout);\r\n            // Trigger a new request so we can continue receiving data.\r\n            doNewRequest();\r\n        };\r\n        this.addTag(url, readyStateCB);\r\n    };\r\n    /**\r\n     * Add an arbitrary script tag to the iframe.\r\n     * @param {!string} url - The URL for the script tag source.\r\n     * @param {!function()} loadCB - A callback to be triggered once the script has loaded.\r\n     */\r\n    FirebaseIFrameScriptHolder.prototype.addTag = function (url, loadCB) {\r\n        var _this = this;\r\n        if (util.isNodeSdk()) {\r\n            // eslint-disable-next-line @typescript-eslint/no-explicit-any\r\n            this.doNodeLongPoll(url, loadCB);\r\n        }\r\n        else {\r\n            setTimeout(function () {\r\n                try {\r\n                    // if we're already closed, don't add this poll\r\n                    if (!_this.sendNewPolls) {\r\n                        return;\r\n                    }\r\n                    var newScript_1 = _this.myIFrame.doc.createElement('script');\r\n                    newScript_1.type = 'text/javascript';\r\n                    newScript_1.async = true;\r\n                    newScript_1.src = url;\r\n                    // eslint-disable-next-line @typescript-eslint/no-explicit-any\r\n                    newScript_1.onload = newScript_1.onreadystatechange = function () {\r\n                        // eslint-disable-next-line @typescript-eslint/no-explicit-any\r\n                        var rstate = newScript_1.readyState;\r\n                        if (!rstate || rstate === 'loaded' || rstate === 'complete') {\r\n                            // eslint-disable-next-line @typescript-eslint/no-explicit-any\r\n                            newScript_1.onload = newScript_1.onreadystatechange = null;\r\n                            if (newScript_1.parentNode) {\r\n                                newScript_1.parentNode.removeChild(newScript_1);\r\n                            }\r\n                            loadCB();\r\n                        }\r\n                    };\r\n                    newScript_1.onerror = function () {\r\n                        log('Long-poll script failed to load: ' + url);\r\n                        _this.sendNewPolls = false;\r\n                        _this.close();\r\n                    };\r\n                    _this.myIFrame.doc.body.appendChild(newScript_1);\r\n                }\r\n                catch (e) {\r\n                    // TODO: we should make this error visible somehow\r\n                }\r\n            }, Math.floor(1));\r\n        }\r\n    };\r\n    return FirebaseIFrameScriptHolder;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/** The semver (www.semver.org) version of the SDK. */\r\nvar SDK_VERSION = '';\r\n// SDK_VERSION should be set before any database instance is created\r\nfunction setSDKVersion(version) {\r\n    SDK_VERSION = version;\r\n}\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nvar WEBSOCKET_MAX_FRAME_SIZE = 16384;\r\nvar WEBSOCKET_KEEPALIVE_INTERVAL = 45000;\r\nvar WebSocketImpl = null;\r\nif (typeof MozWebSocket !== 'undefined') {\r\n    WebSocketImpl = MozWebSocket;\r\n}\r\nelse if (typeof WebSocket !== 'undefined') {\r\n    WebSocketImpl = WebSocket;\r\n}\r\n/**\r\n * Create a new websocket connection with the given callbacks.\r\n * @constructor\r\n * @implements {Transport}\r\n */\r\nvar WebSocketConnection = /** @class */ (function () {\r\n    /**\r\n     * @param connId identifier for this transport\r\n     * @param repoInfo The info for the websocket endpoint.\r\n     * @param applicationId The Firebase App ID for this project.\r\n     * @param transportSessionId Optional transportSessionId if this is connecting to an existing transport\r\n     *                                         session\r\n     * @param lastSessionId Optional lastSessionId if there was a previous connection\r\n     */\r\n    function WebSocketConnection(connId, repoInfo, applicationId, transportSessionId, lastSessionId) {\r\n        this.connId = connId;\r\n        this.applicationId = applicationId;\r\n        this.keepaliveTimer = null;\r\n        this.frames = null;\r\n        this.totalFrames = 0;\r\n        this.bytesSent = 0;\r\n        this.bytesReceived = 0;\r\n        this.log_ = logWrapper(this.connId);\r\n        this.stats_ = StatsManager.getCollection(repoInfo);\r\n        this.connURL = WebSocketConnection.connectionURL_(repoInfo, transportSessionId, lastSessionId);\r\n        this.nodeAdmin = repoInfo.nodeAdmin;\r\n    }\r\n    /**\r\n     * @param {RepoInfo} repoInfo The info for the websocket endpoint.\r\n     * @param {string=} transportSessionId Optional transportSessionId if this is connecting to an existing transport\r\n     *                                         session\r\n     * @param {string=} lastSessionId Optional lastSessionId if there was a previous connection\r\n     * @return {string} connection url\r\n     * @private\r\n     */\r\n    WebSocketConnection.connectionURL_ = function (repoInfo, transportSessionId, lastSessionId) {\r\n        var urlParams = {};\r\n        urlParams[VERSION_PARAM] = PROTOCOL_VERSION;\r\n        if (!util.isNodeSdk() &&\r\n            typeof location !== 'undefined' &&\r\n            location.href &&\r\n            location.href.indexOf(FORGE_DOMAIN) !== -1) {\r\n            urlParams[REFERER_PARAM] = FORGE_REF;\r\n        }\r\n        if (transportSessionId) {\r\n            urlParams[TRANSPORT_SESSION_PARAM] = transportSessionId;\r\n        }\r\n        if (lastSessionId) {\r\n            urlParams[LAST_SESSION_PARAM] = lastSessionId;\r\n        }\r\n        return repoInfo.connectionURL(WEBSOCKET, urlParams);\r\n    };\r\n    /**\r\n     *\r\n     * @param onMessage Callback when messages arrive\r\n     * @param onDisconnect Callback with connection lost.\r\n     */\r\n    WebSocketConnection.prototype.open = function (onMessage, onDisconnect) {\r\n        var _this = this;\r\n        this.onDisconnect = onDisconnect;\r\n        this.onMessage = onMessage;\r\n        this.log_('Websocket connecting to ' + this.connURL);\r\n        this.everConnected_ = false;\r\n        // Assume failure until proven otherwise.\r\n        PersistentStorage.set('previous_websocket_failure', true);\r\n        try {\r\n            if (util.isNodeSdk()) {\r\n                var device = this.nodeAdmin ? 'AdminNode' : 'Node';\r\n                // UA Format: Firebase/<wire_protocol>/<sdk_version>/<platform>/<device>\r\n                var options = {\r\n                    headers: {\r\n                        'User-Agent': \"Firebase/\" + PROTOCOL_VERSION + \"/\" + SDK_VERSION + \"/\" + process.platform + \"/\" + device,\r\n                        'X-Firebase-GMPID': this.applicationId || ''\r\n                    }\r\n                };\r\n                // Plumb appropriate http_proxy environment variable into faye-websocket if it exists.\r\n                var env = process['env'];\r\n                var proxy = this.connURL.indexOf('wss://') === 0\r\n                    ? env['HTTPS_PROXY'] || env['https_proxy']\r\n                    : env['HTTP_PROXY'] || env['http_proxy'];\r\n                if (proxy) {\r\n                    options['proxy'] = { origin: proxy };\r\n                }\r\n                this.mySock = new WebSocketImpl(this.connURL, [], options);\r\n            }\r\n            else {\r\n                var options = {\r\n                    headers: {\r\n                        'X-Firebase-GMPID': this.applicationId || ''\r\n                    }\r\n                };\r\n                this.mySock = new WebSocketImpl(this.connURL, [], options);\r\n            }\r\n        }\r\n        catch (e) {\r\n            this.log_('Error instantiating WebSocket.');\r\n            var error = e.message || e.data;\r\n            if (error) {\r\n                this.log_(error);\r\n            }\r\n            this.onClosed_();\r\n            return;\r\n        }\r\n        this.mySock.onopen = function () {\r\n            _this.log_('Websocket connected.');\r\n            _this.everConnected_ = true;\r\n        };\r\n        this.mySock.onclose = function () {\r\n            _this.log_('Websocket connection was disconnected.');\r\n            _this.mySock = null;\r\n            _this.onClosed_();\r\n        };\r\n        this.mySock.onmessage = function (m) {\r\n            _this.handleIncomingFrame(m);\r\n        };\r\n        this.mySock.onerror = function (e) {\r\n            _this.log_('WebSocket error.  Closing connection.');\r\n            // eslint-disable-next-line @typescript-eslint/no-explicit-any\r\n            var error = e.message || e.data;\r\n            if (error) {\r\n                _this.log_(error);\r\n            }\r\n            _this.onClosed_();\r\n        };\r\n    };\r\n    /**\r\n     * No-op for websockets, we don't need to do anything once the connection is confirmed as open\r\n     */\r\n    WebSocketConnection.prototype.start = function () { };\r\n    WebSocketConnection.forceDisallow = function () {\r\n        WebSocketConnection.forceDisallow_ = true;\r\n    };\r\n    WebSocketConnection.isAvailable = function () {\r\n        var isOldAndroid = false;\r\n        if (typeof navigator !== 'undefined' && navigator.userAgent) {\r\n            var oldAndroidRegex = /Android ([0-9]{0,}\\.[0-9]{0,})/;\r\n            var oldAndroidMatch = navigator.userAgent.match(oldAndroidRegex);\r\n            if (oldAndroidMatch && oldAndroidMatch.length > 1) {\r\n                if (parseFloat(oldAndroidMatch[1]) < 4.4) {\r\n                    isOldAndroid = true;\r\n                }\r\n            }\r\n        }\r\n        return (!isOldAndroid &&\r\n            WebSocketImpl !== null &&\r\n            !WebSocketConnection.forceDisallow_);\r\n    };\r\n    /**\r\n     * Returns true if we previously failed to connect with this transport.\r\n     * @return {boolean}\r\n     */\r\n    WebSocketConnection.previouslyFailed = function () {\r\n        // If our persistent storage is actually only in-memory storage,\r\n        // we default to assuming that it previously failed to be safe.\r\n        return (PersistentStorage.isInMemoryStorage ||\r\n            PersistentStorage.get('previous_websocket_failure') === true);\r\n    };\r\n    WebSocketConnection.prototype.markConnectionHealthy = function () {\r\n        PersistentStorage.remove('previous_websocket_failure');\r\n    };\r\n    WebSocketConnection.prototype.appendFrame_ = function (data) {\r\n        this.frames.push(data);\r\n        if (this.frames.length === this.totalFrames) {\r\n            var fullMess = this.frames.join('');\r\n            this.frames = null;\r\n            var jsonMess = util.jsonEval(fullMess);\r\n            //handle the message\r\n            this.onMessage(jsonMess);\r\n        }\r\n    };\r\n    /**\r\n     * @param {number} frameCount The number of frames we are expecting from the server\r\n     * @private\r\n     */\r\n    WebSocketConnection.prototype.handleNewFrameCount_ = function (frameCount) {\r\n        this.totalFrames = frameCount;\r\n        this.frames = [];\r\n    };\r\n    /**\r\n     * Attempts to parse a frame count out of some text. If it can't, assumes a value of 1\r\n     * @param {!String} data\r\n     * @return {?String} Any remaining data to be process, or null if there is none\r\n     * @private\r\n     */\r\n    WebSocketConnection.prototype.extractFrameCount_ = function (data) {\r\n        util.assert(this.frames === null, 'We already have a frame buffer');\r\n        // TODO: The server is only supposed to send up to 9999 frames (i.e. length <= 4), but that isn't being enforced\r\n        // currently.  So allowing larger frame counts (length <= 6).  See https://app.asana.com/0/search/8688598998380/8237608042508\r\n        if (data.length <= 6) {\r\n            var frameCount = Number(data);\r\n            if (!isNaN(frameCount)) {\r\n                this.handleNewFrameCount_(frameCount);\r\n                return null;\r\n            }\r\n        }\r\n        this.handleNewFrameCount_(1);\r\n        return data;\r\n    };\r\n    /**\r\n     * Process a websocket frame that has arrived from the server.\r\n     * @param mess The frame data\r\n     */\r\n    WebSocketConnection.prototype.handleIncomingFrame = function (mess) {\r\n        if (this.mySock === null) {\r\n            return; // Chrome apparently delivers incoming packets even after we .close() the connection sometimes.\r\n        }\r\n        var data = mess['data'];\r\n        this.bytesReceived += data.length;\r\n        this.stats_.incrementCounter('bytes_received', data.length);\r\n        this.resetKeepAlive();\r\n        if (this.frames !== null) {\r\n            // we're buffering\r\n            this.appendFrame_(data);\r\n        }\r\n        else {\r\n            // try to parse out a frame count, otherwise, assume 1 and process it\r\n            var remainingData = this.extractFrameCount_(data);\r\n            if (remainingData !== null) {\r\n                this.appendFrame_(remainingData);\r\n            }\r\n        }\r\n    };\r\n    /**\r\n     * Send a message to the server\r\n     * @param {Object} data The JSON object to transmit\r\n     */\r\n    WebSocketConnection.prototype.send = function (data) {\r\n        this.resetKeepAlive();\r\n        var dataStr = util.stringify(data);\r\n        this.bytesSent += dataStr.length;\r\n        this.stats_.incrementCounter('bytes_sent', dataStr.length);\r\n        //We can only fit a certain amount in each websocket frame, so we need to split this request\r\n        //up into multiple pieces if it doesn't fit in one request.\r\n        var dataSegs = splitStringBySize(dataStr, WEBSOCKET_MAX_FRAME_SIZE);\r\n        //Send the length header\r\n        if (dataSegs.length > 1) {\r\n            this.sendString_(String(dataSegs.length));\r\n        }\r\n        //Send the actual data in segments.\r\n        for (var i = 0; i < dataSegs.length; i++) {\r\n            this.sendString_(dataSegs[i]);\r\n        }\r\n    };\r\n    WebSocketConnection.prototype.shutdown_ = function () {\r\n        this.isClosed_ = true;\r\n        if (this.keepaliveTimer) {\r\n            clearInterval(this.keepaliveTimer);\r\n            this.keepaliveTimer = null;\r\n        }\r\n        if (this.mySock) {\r\n            this.mySock.close();\r\n            this.mySock = null;\r\n        }\r\n    };\r\n    WebSocketConnection.prototype.onClosed_ = function () {\r\n        if (!this.isClosed_) {\r\n            this.log_('WebSocket is closing itself');\r\n            this.shutdown_();\r\n            // since this is an internal close, trigger the close listener\r\n            if (this.onDisconnect) {\r\n                this.onDisconnect(this.everConnected_);\r\n                this.onDisconnect = null;\r\n            }\r\n        }\r\n    };\r\n    /**\r\n     * External-facing close handler.\r\n     * Close the websocket and kill the connection.\r\n     */\r\n    WebSocketConnection.prototype.close = function () {\r\n        if (!this.isClosed_) {\r\n            this.log_('WebSocket is being closed');\r\n            this.shutdown_();\r\n        }\r\n    };\r\n    /**\r\n     * Kill the current keepalive timer and start a new one, to ensure that it always fires N seconds after\r\n     * the last activity.\r\n     */\r\n    WebSocketConnection.prototype.resetKeepAlive = function () {\r\n        var _this = this;\r\n        clearInterval(this.keepaliveTimer);\r\n        this.keepaliveTimer = setInterval(function () {\r\n            //If there has been no websocket activity for a while, send a no-op\r\n            if (_this.mySock) {\r\n                _this.sendString_('0');\r\n            }\r\n            _this.resetKeepAlive();\r\n            // eslint-disable-next-line @typescript-eslint/no-explicit-any\r\n        }, Math.floor(WEBSOCKET_KEEPALIVE_INTERVAL));\r\n    };\r\n    /**\r\n     * Send a string over the websocket.\r\n     *\r\n     * @param {string} str String to send.\r\n     * @private\r\n     */\r\n    WebSocketConnection.prototype.sendString_ = function (str) {\r\n        // Firefox seems to sometimes throw exceptions (NS_ERROR_UNEXPECTED) from websocket .send()\r\n        // calls for some unknown reason.  We treat these as an error and disconnect.\r\n        // See https://app.asana.com/0/58926111402292/68021340250410\r\n        try {\r\n            this.mySock.send(str);\r\n        }\r\n        catch (e) {\r\n            this.log_('Exception thrown from WebSocket.send():', e.message || e.data, 'Closing connection.');\r\n            setTimeout(this.onClosed_.bind(this), 0);\r\n        }\r\n    };\r\n    /**\r\n     * Number of response before we consider the connection \"healthy.\"\r\n     * @type {number}\r\n     */\r\n    WebSocketConnection.responsesRequiredToBeHealthy = 2;\r\n    /**\r\n     * Time to wait for the connection te become healthy before giving up.\r\n     * @type {number}\r\n     */\r\n    WebSocketConnection.healthyTimeout = 30000;\r\n    return WebSocketConnection;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * Currently simplistic, this class manages what transport a Connection should use at various stages of its\r\n * lifecycle.\r\n *\r\n * It starts with longpolling in a browser, and httppolling on node. It then upgrades to websockets if\r\n * they are available.\r\n * @constructor\r\n */\r\nvar TransportManager = /** @class */ (function () {\r\n    /**\r\n     * @param {!RepoInfo} repoInfo Metadata around the namespace we're connecting to\r\n     */\r\n    function TransportManager(repoInfo) {\r\n        this.initTransports_(repoInfo);\r\n    }\r\n    Object.defineProperty(TransportManager, \"ALL_TRANSPORTS\", {\r\n        /**\r\n         * @const\r\n         * @type {!Array.<function(new:Transport, string, RepoInfo, string=)>}\r\n         */\r\n        get: function () {\r\n            return [BrowserPollConnection, WebSocketConnection];\r\n        },\r\n        enumerable: false,\r\n        configurable: true\r\n    });\r\n    /**\r\n     * @param {!RepoInfo} repoInfo\r\n     * @private\r\n     */\r\n    TransportManager.prototype.initTransports_ = function (repoInfo) {\r\n        var e_1, _a;\r\n        var isWebSocketsAvailable = WebSocketConnection && WebSocketConnection['isAvailable']();\r\n        var isSkipPollConnection = isWebSocketsAvailable && !WebSocketConnection.previouslyFailed();\r\n        if (repoInfo.webSocketOnly) {\r\n            if (!isWebSocketsAvailable) {\r\n                warn(\"wss:// URL used, but browser isn't known to support websockets.  Trying anyway.\");\r\n            }\r\n            isSkipPollConnection = true;\r\n        }\r\n        if (isSkipPollConnection) {\r\n            this.transports_ = [WebSocketConnection];\r\n        }\r\n        else {\r\n            var transports = (this.transports_ = []);\r\n            try {\r\n                for (var _b = tslib.__values(TransportManager.ALL_TRANSPORTS), _c = _b.next(); !_c.done; _c = _b.next()) {\r\n                    var transport = _c.value;\r\n                    if (transport && transport['isAvailable']()) {\r\n                        transports.push(transport);\r\n                    }\r\n                }\r\n            }\r\n            catch (e_1_1) { e_1 = { error: e_1_1 }; }\r\n            finally {\r\n                try {\r\n                    if (_c && !_c.done && (_a = _b.return)) _a.call(_b);\r\n                }\r\n                finally { if (e_1) throw e_1.error; }\r\n            }\r\n        }\r\n    };\r\n    /**\r\n     * @return {function(new:Transport, !string, !RepoInfo, string=, string=)} The constructor for the\r\n     * initial transport to use\r\n     */\r\n    TransportManager.prototype.initialTransport = function () {\r\n        if (this.transports_.length > 0) {\r\n            return this.transports_[0];\r\n        }\r\n        else {\r\n            throw new Error('No transports available');\r\n        }\r\n    };\r\n    /**\r\n     * @return {?function(new:Transport, function(),function(), string=)} The constructor for the next\r\n     * transport, or null\r\n     */\r\n    TransportManager.prototype.upgradeTransport = function () {\r\n        if (this.transports_.length > 1) {\r\n            return this.transports_[1];\r\n        }\r\n        else {\r\n            return null;\r\n        }\r\n    };\r\n    return TransportManager;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n// Abort upgrade attempt if it takes longer than 60s.\r\nvar UPGRADE_TIMEOUT = 60000;\r\n// For some transports (WebSockets), we need to \"validate\" the transport by exchanging a few requests and responses.\r\n// If we haven't sent enough requests within 5s, we'll start sending noop ping requests.\r\nvar DELAY_BEFORE_SENDING_EXTRA_REQUESTS = 5000;\r\n// If the initial data sent triggers a lot of bandwidth (i.e. it's a large put or a listen for a large amount of data)\r\n// then we may not be able to exchange our ping/pong requests within the healthy timeout.  So if we reach the timeout\r\n// but we've sent/received enough bytes, we don't cancel the connection.\r\nvar BYTES_SENT_HEALTHY_OVERRIDE = 10 * 1024;\r\nvar BYTES_RECEIVED_HEALTHY_OVERRIDE = 100 * 1024;\r\nvar MESSAGE_TYPE = 't';\r\nvar MESSAGE_DATA = 'd';\r\nvar CONTROL_SHUTDOWN = 's';\r\nvar CONTROL_RESET = 'r';\r\nvar CONTROL_ERROR = 'e';\r\nvar CONTROL_PONG = 'o';\r\nvar SWITCH_ACK = 'a';\r\nvar END_TRANSMISSION = 'n';\r\nvar PING = 'p';\r\nvar SERVER_HELLO = 'h';\r\n/**\r\n * Creates a new real-time connection to the server using whichever method works\r\n * best in the current browser.\r\n *\r\n * @constructor\r\n */\r\nvar Connection = /** @class */ (function () {\r\n    /**\r\n     * @param id - an id for this connection\r\n     * @param repoInfo_ - the info for the endpoint to connect to\r\n     * @param applicationId_ - the Firebase App ID for this project\r\n     * @param onMessage_ - the callback to be triggered when a server-push message arrives\r\n     * @param onReady_ - the callback to be triggered when this connection is ready to send messages.\r\n     * @param onDisconnect_ - the callback to be triggered when a connection was lost\r\n     * @param onKill_ - the callback to be triggered when this connection has permanently shut down.\r\n     * @param lastSessionId - last session id in persistent connection. is used to clean up old session in real-time server\r\n     */\r\n    function Connection(id, repoInfo_, applicationId_, onMessage_, onReady_, onDisconnect_, onKill_, lastSessionId) {\r\n        this.id = id;\r\n        this.repoInfo_ = repoInfo_;\r\n        this.applicationId_ = applicationId_;\r\n        this.onMessage_ = onMessage_;\r\n        this.onReady_ = onReady_;\r\n        this.onDisconnect_ = onDisconnect_;\r\n        this.onKill_ = onKill_;\r\n        this.lastSessionId = lastSessionId;\r\n        this.connectionCount = 0;\r\n        this.pendingDataMessages = [];\r\n        this.state_ = 0 /* CONNECTING */;\r\n        this.log_ = logWrapper('c:' + this.id + ':');\r\n        this.transportManager_ = new TransportManager(repoInfo_);\r\n        this.log_('Connection created');\r\n        this.start_();\r\n    }\r\n    /**\r\n     * Starts a connection attempt\r\n     * @private\r\n     */\r\n    Connection.prototype.start_ = function () {\r\n        var _this = this;\r\n        var conn = this.transportManager_.initialTransport();\r\n        this.conn_ = new conn(this.nextTransportId_(), this.repoInfo_, this.applicationId_, undefined, this.lastSessionId);\r\n        // For certain transports (WebSockets), we need to send and receive several messages back and forth before we\r\n        // can consider the transport healthy.\r\n        this.primaryResponsesRequired_ = conn['responsesRequiredToBeHealthy'] || 0;\r\n        var onMessageReceived = this.connReceiver_(this.conn_);\r\n        var onConnectionLost = this.disconnReceiver_(this.conn_);\r\n        this.tx_ = this.conn_;\r\n        this.rx_ = this.conn_;\r\n        this.secondaryConn_ = null;\r\n        this.isHealthy_ = false;\r\n        /*\r\n         * Firefox doesn't like when code from one iframe tries to create another iframe by way of the parent frame.\r\n         * This can occur in the case of a redirect, i.e. we guessed wrong on what server to connect to and received a reset.\r\n         * Somehow, setTimeout seems to make this ok. That doesn't make sense from a security perspective, since you should\r\n         * still have the context of your originating frame.\r\n         */\r\n        setTimeout(function () {\r\n            // this.conn_ gets set to null in some of the tests. Check to make sure it still exists before using it\r\n            _this.conn_ && _this.conn_.open(onMessageReceived, onConnectionLost);\r\n        }, Math.floor(0));\r\n        var healthyTimeoutMS = conn['healthyTimeout'] || 0;\r\n        if (healthyTimeoutMS > 0) {\r\n            this.healthyTimeout_ = setTimeoutNonBlocking(function () {\r\n                _this.healthyTimeout_ = null;\r\n                if (!_this.isHealthy_) {\r\n                    if (_this.conn_ &&\r\n                        _this.conn_.bytesReceived > BYTES_RECEIVED_HEALTHY_OVERRIDE) {\r\n                        _this.log_('Connection exceeded healthy timeout but has received ' +\r\n                            _this.conn_.bytesReceived +\r\n                            ' bytes.  Marking connection healthy.');\r\n                        _this.isHealthy_ = true;\r\n                        _this.conn_.markConnectionHealthy();\r\n                    }\r\n                    else if (_this.conn_ &&\r\n                        _this.conn_.bytesSent > BYTES_SENT_HEALTHY_OVERRIDE) {\r\n                        _this.log_('Connection exceeded healthy timeout but has sent ' +\r\n                            _this.conn_.bytesSent +\r\n                            ' bytes.  Leaving connection alive.');\r\n                        // NOTE: We don't want to mark it healthy, since we have no guarantee that the bytes have made it to\r\n                        // the server.\r\n                    }\r\n                    else {\r\n                        _this.log_('Closing unhealthy connection after timeout.');\r\n                        _this.close();\r\n                    }\r\n                }\r\n                // eslint-disable-next-line @typescript-eslint/no-explicit-any\r\n            }, Math.floor(healthyTimeoutMS));\r\n        }\r\n    };\r\n    /**\r\n     * @return {!string}\r\n     * @private\r\n     */\r\n    Connection.prototype.nextTransportId_ = function () {\r\n        return 'c:' + this.id + ':' + this.connectionCount++;\r\n    };\r\n    Connection.prototype.disconnReceiver_ = function (conn) {\r\n        var _this = this;\r\n        return function (everConnected) {\r\n            if (conn === _this.conn_) {\r\n                _this.onConnectionLost_(everConnected);\r\n            }\r\n            else if (conn === _this.secondaryConn_) {\r\n                _this.log_('Secondary connection lost.');\r\n                _this.onSecondaryConnectionLost_();\r\n            }\r\n            else {\r\n                _this.log_('closing an old connection');\r\n            }\r\n        };\r\n    };\r\n    Connection.prototype.connReceiver_ = function (conn) {\r\n        var _this = this;\r\n        return function (message) {\r\n            if (_this.state_ !== 2 /* DISCONNECTED */) {\r\n                if (conn === _this.rx_) {\r\n                    _this.onPrimaryMessageReceived_(message);\r\n                }\r\n                else if (conn === _this.secondaryConn_) {\r\n                    _this.onSecondaryMessageReceived_(message);\r\n                }\r\n                else {\r\n                    _this.log_('message on old connection');\r\n                }\r\n            }\r\n        };\r\n    };\r\n    /**\r\n     *\r\n     * @param {Object} dataMsg An arbitrary data message to be sent to the server\r\n     */\r\n    Connection.prototype.sendRequest = function (dataMsg) {\r\n        // wrap in a data message envelope and send it on\r\n        var msg = { t: 'd', d: dataMsg };\r\n        this.sendData_(msg);\r\n    };\r\n    Connection.prototype.tryCleanupConnection = function () {\r\n        if (this.tx_ === this.secondaryConn_ && this.rx_ === this.secondaryConn_) {\r\n            this.log_('cleaning up and promoting a connection: ' + this.secondaryConn_.connId);\r\n            this.conn_ = this.secondaryConn_;\r\n            this.secondaryConn_ = null;\r\n            // the server will shutdown the old connection\r\n        }\r\n    };\r\n    Connection.prototype.onSecondaryControl_ = function (controlData) {\r\n        if (MESSAGE_TYPE in controlData) {\r\n            var cmd = controlData[MESSAGE_TYPE];\r\n            if (cmd === SWITCH_ACK) {\r\n                this.upgradeIfSecondaryHealthy_();\r\n            }\r\n            else if (cmd === CONTROL_RESET) {\r\n                // Most likely the session wasn't valid. Abandon the switch attempt\r\n                this.log_('Got a reset on secondary, closing it');\r\n                this.secondaryConn_.close();\r\n                // If we were already using this connection for something, than we need to fully close\r\n                if (this.tx_ === this.secondaryConn_ ||\r\n                    this.rx_ === this.secondaryConn_) {\r\n                    this.close();\r\n                }\r\n            }\r\n            else if (cmd === CONTROL_PONG) {\r\n                this.log_('got pong on secondary.');\r\n                this.secondaryResponsesRequired_--;\r\n                this.upgradeIfSecondaryHealthy_();\r\n            }\r\n        }\r\n    };\r\n    Connection.prototype.onSecondaryMessageReceived_ = function (parsedData) {\r\n        var layer = requireKey('t', parsedData);\r\n        var data = requireKey('d', parsedData);\r\n        if (layer === 'c') {\r\n            this.onSecondaryControl_(data);\r\n        }\r\n        else if (layer === 'd') {\r\n            // got a data message, but we're still second connection. Need to buffer it up\r\n            this.pendingDataMessages.push(data);\r\n        }\r\n        else {\r\n            throw new Error('Unknown protocol layer: ' + layer);\r\n        }\r\n    };\r\n    Connection.prototype.upgradeIfSecondaryHealthy_ = function () {\r\n        if (this.secondaryResponsesRequired_ <= 0) {\r\n            this.log_('Secondary connection is healthy.');\r\n            this.isHealthy_ = true;\r\n            this.secondaryConn_.markConnectionHealthy();\r\n            this.proceedWithUpgrade_();\r\n        }\r\n        else {\r\n            // Send a ping to make sure the connection is healthy.\r\n            this.log_('sending ping on secondary.');\r\n            this.secondaryConn_.send({ t: 'c', d: { t: PING, d: {} } });\r\n        }\r\n    };\r\n    Connection.prototype.proceedWithUpgrade_ = function () {\r\n        // tell this connection to consider itself open\r\n        this.secondaryConn_.start();\r\n        // send ack\r\n        this.log_('sending client ack on secondary');\r\n        this.secondaryConn_.send({ t: 'c', d: { t: SWITCH_ACK, d: {} } });\r\n        // send end packet on primary transport, switch to sending on this one\r\n        // can receive on this one, buffer responses until end received on primary transport\r\n        this.log_('Ending transmission on primary');\r\n        this.conn_.send({ t: 'c', d: { t: END_TRANSMISSION, d: {} } });\r\n        this.tx_ = this.secondaryConn_;\r\n        this.tryCleanupConnection();\r\n    };\r\n    Connection.prototype.onPrimaryMessageReceived_ = function (parsedData) {\r\n        // Must refer to parsedData properties in quotes, so closure doesn't touch them.\r\n        var layer = requireKey('t', parsedData);\r\n        var data = requireKey('d', parsedData);\r\n        if (layer === 'c') {\r\n            this.onControl_(data);\r\n        }\r\n        else if (layer === 'd') {\r\n            this.onDataMessage_(data);\r\n        }\r\n    };\r\n    Connection.prototype.onDataMessage_ = function (message) {\r\n        this.onPrimaryResponse_();\r\n        // We don't do anything with data messages, just kick them up a level\r\n        this.onMessage_(message);\r\n    };\r\n    Connection.prototype.onPrimaryResponse_ = function () {\r\n        if (!this.isHealthy_) {\r\n            this.primaryResponsesRequired_--;\r\n            if (this.primaryResponsesRequired_ <= 0) {\r\n                this.log_('Primary connection is healthy.');\r\n                this.isHealthy_ = true;\r\n                this.conn_.markConnectionHealthy();\r\n            }\r\n        }\r\n    };\r\n    Connection.prototype.onControl_ = function (controlData) {\r\n        var cmd = requireKey(MESSAGE_TYPE, controlData);\r\n        if (MESSAGE_DATA in controlData) {\r\n            var payload = controlData[MESSAGE_DATA];\r\n            if (cmd === SERVER_HELLO) {\r\n                this.onHandshake_(payload);\r\n            }\r\n            else if (cmd === END_TRANSMISSION) {\r\n                this.log_('recvd end transmission on primary');\r\n                this.rx_ = this.secondaryConn_;\r\n                for (var i = 0; i < this.pendingDataMessages.length; ++i) {\r\n                    this.onDataMessage_(this.pendingDataMessages[i]);\r\n                }\r\n                this.pendingDataMessages = [];\r\n                this.tryCleanupConnection();\r\n            }\r\n            else if (cmd === CONTROL_SHUTDOWN) {\r\n                // This was previously the 'onKill' callback passed to the lower-level connection\r\n                // payload in this case is the reason for the shutdown. Generally a human-readable error\r\n                this.onConnectionShutdown_(payload);\r\n            }\r\n            else if (cmd === CONTROL_RESET) {\r\n                // payload in this case is the host we should contact\r\n                this.onReset_(payload);\r\n            }\r\n            else if (cmd === CONTROL_ERROR) {\r\n                error('Server Error: ' + payload);\r\n            }\r\n            else if (cmd === CONTROL_PONG) {\r\n                this.log_('got pong on primary.');\r\n                this.onPrimaryResponse_();\r\n                this.sendPingOnPrimaryIfNecessary_();\r\n            }\r\n            else {\r\n                error('Unknown control packet command: ' + cmd);\r\n            }\r\n        }\r\n    };\r\n    /**\r\n     *\r\n     * @param {Object} handshake The handshake data returned from the server\r\n     * @private\r\n     */\r\n    Connection.prototype.onHandshake_ = function (handshake) {\r\n        var timestamp = handshake.ts;\r\n        var version = handshake.v;\r\n        var host = handshake.h;\r\n        this.sessionId = handshake.s;\r\n        this.repoInfo_.updateHost(host);\r\n        // if we've already closed the connection, then don't bother trying to progress further\r\n        if (this.state_ === 0 /* CONNECTING */) {\r\n            this.conn_.start();\r\n            this.onConnectionEstablished_(this.conn_, timestamp);\r\n            if (PROTOCOL_VERSION !== version) {\r\n                warn('Protocol version mismatch detected');\r\n            }\r\n            // TODO: do we want to upgrade? when? maybe a delay?\r\n            this.tryStartUpgrade_();\r\n        }\r\n    };\r\n    Connection.prototype.tryStartUpgrade_ = function () {\r\n        var conn = this.transportManager_.upgradeTransport();\r\n        if (conn) {\r\n            this.startUpgrade_(conn);\r\n        }\r\n    };\r\n    Connection.prototype.startUpgrade_ = function (conn) {\r\n        var _this = this;\r\n        this.secondaryConn_ = new conn(this.nextTransportId_(), this.repoInfo_, this.applicationId_, this.sessionId);\r\n        // For certain transports (WebSockets), we need to send and receive several messages back and forth before we\r\n        // can consider the transport healthy.\r\n        this.secondaryResponsesRequired_ =\r\n            conn['responsesRequiredToBeHealthy'] || 0;\r\n        var onMessage = this.connReceiver_(this.secondaryConn_);\r\n        var onDisconnect = this.disconnReceiver_(this.secondaryConn_);\r\n        this.secondaryConn_.open(onMessage, onDisconnect);\r\n        // If we haven't successfully upgraded after UPGRADE_TIMEOUT, give up and kill the secondary.\r\n        setTimeoutNonBlocking(function () {\r\n            if (_this.secondaryConn_) {\r\n                _this.log_('Timed out trying to upgrade.');\r\n                _this.secondaryConn_.close();\r\n            }\r\n        }, Math.floor(UPGRADE_TIMEOUT));\r\n    };\r\n    Connection.prototype.onReset_ = function (host) {\r\n        this.log_('Reset packet received.  New host: ' + host);\r\n        this.repoInfo_.updateHost(host);\r\n        // TODO: if we're already \"connected\", we need to trigger a disconnect at the next layer up.\r\n        // We don't currently support resets after the connection has already been established\r\n        if (this.state_ === 1 /* CONNECTED */) {\r\n            this.close();\r\n        }\r\n        else {\r\n            // Close whatever connections we have open and start again.\r\n            this.closeConnections_();\r\n            this.start_();\r\n        }\r\n    };\r\n    Connection.prototype.onConnectionEstablished_ = function (conn, timestamp) {\r\n        var _this = this;\r\n        this.log_('Realtime connection established.');\r\n        this.conn_ = conn;\r\n        this.state_ = 1 /* CONNECTED */;\r\n        if (this.onReady_) {\r\n            this.onReady_(timestamp, this.sessionId);\r\n            this.onReady_ = null;\r\n        }\r\n        // If after 5 seconds we haven't sent enough requests to the server to get the connection healthy,\r\n        // send some pings.\r\n        if (this.primaryResponsesRequired_ === 0) {\r\n            this.log_('Primary connection is healthy.');\r\n            this.isHealthy_ = true;\r\n        }\r\n        else {\r\n            setTimeoutNonBlocking(function () {\r\n                _this.sendPingOnPrimaryIfNecessary_();\r\n            }, Math.floor(DELAY_BEFORE_SENDING_EXTRA_REQUESTS));\r\n        }\r\n    };\r\n    Connection.prototype.sendPingOnPrimaryIfNecessary_ = function () {\r\n        // If the connection isn't considered healthy yet, we'll send a noop ping packet request.\r\n        if (!this.isHealthy_ && this.state_ === 1 /* CONNECTED */) {\r\n            this.log_('sending ping on primary.');\r\n            this.sendData_({ t: 'c', d: { t: PING, d: {} } });\r\n        }\r\n    };\r\n    Connection.prototype.onSecondaryConnectionLost_ = function () {\r\n        var conn = this.secondaryConn_;\r\n        this.secondaryConn_ = null;\r\n        if (this.tx_ === conn || this.rx_ === conn) {\r\n            // we are relying on this connection already in some capacity. Therefore, a failure is real\r\n            this.close();\r\n        }\r\n    };\r\n    /**\r\n     *\r\n     * @param {boolean} everConnected Whether or not the connection ever reached a server. Used to determine if\r\n     * we should flush the host cache\r\n     * @private\r\n     */\r\n    Connection.prototype.onConnectionLost_ = function (everConnected) {\r\n        this.conn_ = null;\r\n        // NOTE: IF you're seeing a Firefox error for this line, I think it might be because it's getting\r\n        // called on window close and RealtimeState.CONNECTING is no longer defined.  Just a guess.\r\n        if (!everConnected && this.state_ === 0 /* CONNECTING */) {\r\n            this.log_('Realtime connection failed.');\r\n            // Since we failed to connect at all, clear any cached entry for this namespace in case the machine went away\r\n            if (this.repoInfo_.isCacheableHost()) {\r\n                PersistentStorage.remove('host:' + this.repoInfo_.host);\r\n                // reset the internal host to what we would show the user, i.e. <ns>.firebaseio.com\r\n                this.repoInfo_.internalHost = this.repoInfo_.host;\r\n            }\r\n        }\r\n        else if (this.state_ === 1 /* CONNECTED */) {\r\n            this.log_('Realtime connection lost.');\r\n        }\r\n        this.close();\r\n    };\r\n    /**\r\n     *\r\n     * @param {string} reason\r\n     * @private\r\n     */\r\n    Connection.prototype.onConnectionShutdown_ = function (reason) {\r\n        this.log_('Connection shutdown command received. Shutting down...');\r\n        if (this.onKill_) {\r\n            this.onKill_(reason);\r\n            this.onKill_ = null;\r\n        }\r\n        // We intentionally don't want to fire onDisconnect (kill is a different case),\r\n        // so clear the callback.\r\n        this.onDisconnect_ = null;\r\n        this.close();\r\n    };\r\n    Connection.prototype.sendData_ = function (data) {\r\n        if (this.state_ !== 1 /* CONNECTED */) {\r\n            throw 'Connection is not connected';\r\n        }\r\n        else {\r\n            this.tx_.send(data);\r\n        }\r\n    };\r\n    /**\r\n     * Cleans up this connection, calling the appropriate callbacks\r\n     */\r\n    Connection.prototype.close = function () {\r\n        if (this.state_ !== 2 /* DISCONNECTED */) {\r\n            this.log_('Closing realtime connection.');\r\n            this.state_ = 2 /* DISCONNECTED */;\r\n            this.closeConnections_();\r\n            if (this.onDisconnect_) {\r\n                this.onDisconnect_();\r\n                this.onDisconnect_ = null;\r\n            }\r\n        }\r\n    };\r\n    /**\r\n     *\r\n     * @private\r\n     */\r\n    Connection.prototype.closeConnections_ = function () {\r\n        this.log_('Shutting down all connections');\r\n        if (this.conn_) {\r\n            this.conn_.close();\r\n            this.conn_ = null;\r\n        }\r\n        if (this.secondaryConn_) {\r\n            this.secondaryConn_.close();\r\n            this.secondaryConn_ = null;\r\n        }\r\n        if (this.healthyTimeout_) {\r\n            clearTimeout(this.healthyTimeout_);\r\n            this.healthyTimeout_ = null;\r\n        }\r\n    };\r\n    return Connection;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * Interface defining the set of actions that can be performed against the Firebase server\r\n * (basically corresponds to our wire protocol).\r\n *\r\n * @interface\r\n */\r\nvar ServerActions = /** @class */ (function () {\r\n    function ServerActions() {\r\n    }\r\n    /**\r\n     * @param {string} pathString\r\n     * @param {*} data\r\n     * @param {function(string, string)=} onComplete\r\n     * @param {string=} hash\r\n     */\r\n    ServerActions.prototype.put = function (pathString, data, onComplete, hash) { };\r\n    /**\r\n     * @param {string} pathString\r\n     * @param {*} data\r\n     * @param {function(string, ?string)} onComplete\r\n     * @param {string=} hash\r\n     */\r\n    ServerActions.prototype.merge = function (pathString, data, onComplete, hash) { };\r\n    /**\r\n     * Refreshes the auth token for the current connection.\r\n     * @param {string} token The authentication token\r\n     */\r\n    ServerActions.prototype.refreshAuthToken = function (token) { };\r\n    /**\r\n     * @param {string} pathString\r\n     * @param {*} data\r\n     * @param {function(string, string)=} onComplete\r\n     */\r\n    ServerActions.prototype.onDisconnectPut = function (pathString, data, onComplete) { };\r\n    /**\r\n     * @param {string} pathString\r\n     * @param {*} data\r\n     * @param {function(string, string)=} onComplete\r\n     */\r\n    ServerActions.prototype.onDisconnectMerge = function (pathString, data, onComplete) { };\r\n    /**\r\n     * @param {string} pathString\r\n     * @param {function(string, string)=} onComplete\r\n     */\r\n    ServerActions.prototype.onDisconnectCancel = function (pathString, onComplete) { };\r\n    /**\r\n     * @param {Object.<string, *>} stats\r\n     */\r\n    ServerActions.prototype.reportStats = function (stats) { };\r\n    return ServerActions;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nvar RECONNECT_MIN_DELAY = 1000;\r\nvar RECONNECT_MAX_DELAY_DEFAULT = 60 * 5 * 1000; // 5 minutes in milliseconds (Case: 1858)\r\nvar RECONNECT_MAX_DELAY_FOR_ADMINS = 30 * 1000; // 30 seconds for admin clients (likely to be a backend server)\r\nvar RECONNECT_DELAY_MULTIPLIER = 1.3;\r\nvar RECONNECT_DELAY_RESET_TIMEOUT = 30000; // Reset delay back to MIN_DELAY after being connected for 30sec.\r\nvar SERVER_KILL_INTERRUPT_REASON = 'server_kill';\r\n// If auth fails repeatedly, we'll assume something is wrong and log a warning / back off.\r\nvar INVALID_AUTH_TOKEN_THRESHOLD = 3;\r\n/**\r\n * Firebase connection.  Abstracts wire protocol and handles reconnecting.\r\n *\r\n * NOTE: All JSON objects sent to the realtime connection must have property names enclosed\r\n * in quotes to make sure the closure compiler does not minify them.\r\n */\r\nvar PersistentConnection = /** @class */ (function (_super) {\r\n    tslib.__extends(PersistentConnection, _super);\r\n    /**\r\n     * @implements {ServerActions}\r\n     * @param repoInfo_ Data about the namespace we are connecting to\r\n     * @param applicationId_ The Firebase App ID for this project\r\n     * @param onDataUpdate_ A callback for new data from the server\r\n     */\r\n    function PersistentConnection(repoInfo_, applicationId_, onDataUpdate_, onConnectStatus_, onServerInfoUpdate_, authTokenProvider_, authOverride_) {\r\n        var _this = _super.call(this) || this;\r\n        _this.repoInfo_ = repoInfo_;\r\n        _this.applicationId_ = applicationId_;\r\n        _this.onDataUpdate_ = onDataUpdate_;\r\n        _this.onConnectStatus_ = onConnectStatus_;\r\n        _this.onServerInfoUpdate_ = onServerInfoUpdate_;\r\n        _this.authTokenProvider_ = authTokenProvider_;\r\n        _this.authOverride_ = authOverride_;\r\n        // Used for diagnostic logging.\r\n        _this.id = PersistentConnection.nextPersistentConnectionId_++;\r\n        _this.log_ = logWrapper('p:' + _this.id + ':');\r\n        _this.interruptReasons_ = {};\r\n        /** Map<path, Map<queryId, ListenSpec>> */\r\n        _this.listens = new Map();\r\n        _this.outstandingPuts_ = [];\r\n        _this.outstandingPutCount_ = 0;\r\n        _this.onDisconnectRequestQueue_ = [];\r\n        _this.connected_ = false;\r\n        _this.reconnectDelay_ = RECONNECT_MIN_DELAY;\r\n        _this.maxReconnectDelay_ = RECONNECT_MAX_DELAY_DEFAULT;\r\n        _this.securityDebugCallback_ = null;\r\n        _this.lastSessionId = null;\r\n        _this.establishConnectionTimer_ = null;\r\n        _this.visible_ = false;\r\n        // Before we get connected, we keep a queue of pending messages to send.\r\n        _this.requestCBHash_ = {};\r\n        _this.requestNumber_ = 0;\r\n        _this.realtime_ = null;\r\n        _this.authToken_ = null;\r\n        _this.forceTokenRefresh_ = false;\r\n        _this.invalidAuthTokenCount_ = 0;\r\n        _this.firstConnection_ = true;\r\n        _this.lastConnectionAttemptTime_ = null;\r\n        _this.lastConnectionEstablishedTime_ = null;\r\n        if (authOverride_ && !util.isNodeSdk()) {\r\n            throw new Error('Auth override specified in options, but not supported on non Node.js platforms');\r\n        }\r\n        _this.scheduleConnect_(0);\r\n        VisibilityMonitor.getInstance().on('visible', _this.onVisible_, _this);\r\n        if (repoInfo_.host.indexOf('fblocal') === -1) {\r\n            OnlineMonitor.getInstance().on('online', _this.onOnline_, _this);\r\n        }\r\n        return _this;\r\n    }\r\n    PersistentConnection.prototype.sendRequest = function (action, body, onResponse) {\r\n        var curReqNum = ++this.requestNumber_;\r\n        var msg = { r: curReqNum, a: action, b: body };\r\n        this.log_(util.stringify(msg));\r\n        util.assert(this.connected_, \"sendRequest call when we're not connected not allowed.\");\r\n        this.realtime_.sendRequest(msg);\r\n        if (onResponse) {\r\n            this.requestCBHash_[curReqNum] = onResponse;\r\n        }\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    PersistentConnection.prototype.listen = function (query, currentHashFn, tag, onComplete) {\r\n        var queryId = query.queryIdentifier();\r\n        var pathString = query.path.toString();\r\n        this.log_('Listen called for ' + pathString + ' ' + queryId);\r\n        if (!this.listens.has(pathString)) {\r\n            this.listens.set(pathString, new Map());\r\n        }\r\n        util.assert(query.getQueryParams().isDefault() ||\r\n            !query.getQueryParams().loadsAllData(), 'listen() called for non-default but complete query');\r\n        util.assert(!this.listens.get(pathString).has(queryId), 'listen() called twice for same path/queryId.');\r\n        var listenSpec = {\r\n            onComplete: onComplete,\r\n            hashFn: currentHashFn,\r\n            query: query,\r\n            tag: tag\r\n        };\r\n        this.listens.get(pathString).set(queryId, listenSpec);\r\n        if (this.connected_) {\r\n            this.sendListen_(listenSpec);\r\n        }\r\n    };\r\n    PersistentConnection.prototype.sendListen_ = function (listenSpec) {\r\n        var _this = this;\r\n        var query = listenSpec.query;\r\n        var pathString = query.path.toString();\r\n        var queryId = query.queryIdentifier();\r\n        this.log_('Listen on ' + pathString + ' for ' + queryId);\r\n        var req = { /*path*/ p: pathString };\r\n        var action = 'q';\r\n        // Only bother to send query if it's non-default.\r\n        if (listenSpec.tag) {\r\n            req['q'] = query.queryObject();\r\n            req['t'] = listenSpec.tag;\r\n        }\r\n        req[ /*hash*/'h'] = listenSpec.hashFn();\r\n        this.sendRequest(action, req, function (message) {\r\n            var payload = message[ /*data*/'d'];\r\n            var status = message[ /*status*/'s'];\r\n            // print warnings in any case...\r\n            PersistentConnection.warnOnListenWarnings_(payload, query);\r\n            var currentListenSpec = _this.listens.get(pathString) &&\r\n                _this.listens.get(pathString).get(queryId);\r\n            // only trigger actions if the listen hasn't been removed and readded\r\n            if (currentListenSpec === listenSpec) {\r\n                _this.log_('listen response', message);\r\n                if (status !== 'ok') {\r\n                    _this.removeListen_(pathString, queryId);\r\n                }\r\n                if (listenSpec.onComplete) {\r\n                    listenSpec.onComplete(status, payload);\r\n                }\r\n            }\r\n        });\r\n    };\r\n    PersistentConnection.warnOnListenWarnings_ = function (payload, query) {\r\n        if (payload && typeof payload === 'object' && util.contains(payload, 'w')) {\r\n            // eslint-disable-next-line @typescript-eslint/no-explicit-any\r\n            var warnings = util.safeGet(payload, 'w');\r\n            if (Array.isArray(warnings) && ~warnings.indexOf('no_index')) {\r\n                var indexSpec = '\".indexOn\": \"' + query.getQueryParams().getIndex().toString() + '\"';\r\n                var indexPath = query.path.toString();\r\n                warn(\"Using an unspecified index. Your data will be downloaded and \" +\r\n                    (\"filtered on the client. Consider adding \" + indexSpec + \" at \") +\r\n                    (indexPath + \" to your security rules for better performance.\"));\r\n            }\r\n        }\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    PersistentConnection.prototype.refreshAuthToken = function (token) {\r\n        this.authToken_ = token;\r\n        this.log_('Auth token refreshed');\r\n        if (this.authToken_) {\r\n            this.tryAuth();\r\n        }\r\n        else {\r\n            //If we're connected we want to let the server know to unauthenticate us. If we're not connected, simply delete\r\n            //the credential so we dont become authenticated next time we connect.\r\n            if (this.connected_) {\r\n                this.sendRequest('unauth', {}, function () { });\r\n            }\r\n        }\r\n        this.reduceReconnectDelayIfAdminCredential_(token);\r\n    };\r\n    PersistentConnection.prototype.reduceReconnectDelayIfAdminCredential_ = function (credential) {\r\n        // NOTE: This isn't intended to be bulletproof (a malicious developer can always just modify the client).\r\n        // Additionally, we don't bother resetting the max delay back to the default if auth fails / expires.\r\n        var isFirebaseSecret = credential && credential.length === 40;\r\n        if (isFirebaseSecret || util.isAdmin(credential)) {\r\n            this.log_('Admin auth credential detected.  Reducing max reconnect time.');\r\n            this.maxReconnectDelay_ = RECONNECT_MAX_DELAY_FOR_ADMINS;\r\n        }\r\n    };\r\n    /**\r\n     * Attempts to authenticate with the given credentials. If the authentication attempt fails, it's triggered like\r\n     * a auth revoked (the connection is closed).\r\n     */\r\n    PersistentConnection.prototype.tryAuth = function () {\r\n        var _this = this;\r\n        if (this.connected_ && this.authToken_) {\r\n            var token_1 = this.authToken_;\r\n            var authMethod = util.isValidFormat(token_1) ? 'auth' : 'gauth';\r\n            var requestData = { cred: token_1 };\r\n            if (this.authOverride_ === null) {\r\n                requestData['noauth'] = true;\r\n            }\r\n            else if (typeof this.authOverride_ === 'object') {\r\n                requestData['authvar'] = this.authOverride_;\r\n            }\r\n            this.sendRequest(authMethod, requestData, function (res) {\r\n                var status = res[ /*status*/'s'];\r\n                var data = res[ /*data*/'d'] || 'error';\r\n                if (_this.authToken_ === token_1) {\r\n                    if (status === 'ok') {\r\n                        _this.invalidAuthTokenCount_ = 0;\r\n                    }\r\n                    else {\r\n                        // Triggers reconnect and force refresh for auth token\r\n                        _this.onAuthRevoked_(status, data);\r\n                    }\r\n                }\r\n            });\r\n        }\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    PersistentConnection.prototype.unlisten = function (query, tag) {\r\n        var pathString = query.path.toString();\r\n        var queryId = query.queryIdentifier();\r\n        this.log_('Unlisten called for ' + pathString + ' ' + queryId);\r\n        util.assert(query.getQueryParams().isDefault() ||\r\n            !query.getQueryParams().loadsAllData(), 'unlisten() called for non-default but complete query');\r\n        var listen = this.removeListen_(pathString, queryId);\r\n        if (listen && this.connected_) {\r\n            this.sendUnlisten_(pathString, queryId, query.queryObject(), tag);\r\n        }\r\n    };\r\n    PersistentConnection.prototype.sendUnlisten_ = function (pathString, queryId, queryObj, tag) {\r\n        this.log_('Unlisten on ' + pathString + ' for ' + queryId);\r\n        var req = { /*path*/ p: pathString };\r\n        var action = 'n';\r\n        // Only bother sending queryId if it's non-default.\r\n        if (tag) {\r\n            req['q'] = queryObj;\r\n            req['t'] = tag;\r\n        }\r\n        this.sendRequest(action, req);\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    PersistentConnection.prototype.onDisconnectPut = function (pathString, data, onComplete) {\r\n        if (this.connected_) {\r\n            this.sendOnDisconnect_('o', pathString, data, onComplete);\r\n        }\r\n        else {\r\n            this.onDisconnectRequestQueue_.push({\r\n                pathString: pathString,\r\n                action: 'o',\r\n                data: data,\r\n                onComplete: onComplete\r\n            });\r\n        }\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    PersistentConnection.prototype.onDisconnectMerge = function (pathString, data, onComplete) {\r\n        if (this.connected_) {\r\n            this.sendOnDisconnect_('om', pathString, data, onComplete);\r\n        }\r\n        else {\r\n            this.onDisconnectRequestQueue_.push({\r\n                pathString: pathString,\r\n                action: 'om',\r\n                data: data,\r\n                onComplete: onComplete\r\n            });\r\n        }\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    PersistentConnection.prototype.onDisconnectCancel = function (pathString, onComplete) {\r\n        if (this.connected_) {\r\n            this.sendOnDisconnect_('oc', pathString, null, onComplete);\r\n        }\r\n        else {\r\n            this.onDisconnectRequestQueue_.push({\r\n                pathString: pathString,\r\n                action: 'oc',\r\n                data: null,\r\n                onComplete: onComplete\r\n            });\r\n        }\r\n    };\r\n    PersistentConnection.prototype.sendOnDisconnect_ = function (action, pathString, data, onComplete) {\r\n        var request = { /*path*/ p: pathString, /*data*/ d: data };\r\n        this.log_('onDisconnect ' + action, request);\r\n        this.sendRequest(action, request, function (response) {\r\n            if (onComplete) {\r\n                setTimeout(function () {\r\n                    onComplete(response[ /*status*/'s'], response[ /* data */'d']);\r\n                }, Math.floor(0));\r\n            }\r\n        });\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    PersistentConnection.prototype.put = function (pathString, data, onComplete, hash) {\r\n        this.putInternal('p', pathString, data, onComplete, hash);\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    PersistentConnection.prototype.merge = function (pathString, data, onComplete, hash) {\r\n        this.putInternal('m', pathString, data, onComplete, hash);\r\n    };\r\n    PersistentConnection.prototype.putInternal = function (action, pathString, data, onComplete, hash) {\r\n        var request = {\r\n            /*path*/ p: pathString,\r\n            /*data*/ d: data\r\n        };\r\n        if (hash !== undefined) {\r\n            request[ /*hash*/'h'] = hash;\r\n        }\r\n        // TODO: Only keep track of the most recent put for a given path?\r\n        this.outstandingPuts_.push({\r\n            action: action,\r\n            request: request,\r\n            onComplete: onComplete\r\n        });\r\n        this.outstandingPutCount_++;\r\n        var index = this.outstandingPuts_.length - 1;\r\n        if (this.connected_) {\r\n            this.sendPut_(index);\r\n        }\r\n        else {\r\n            this.log_('Buffering put: ' + pathString);\r\n        }\r\n    };\r\n    PersistentConnection.prototype.sendPut_ = function (index) {\r\n        var _this = this;\r\n        var action = this.outstandingPuts_[index].action;\r\n        var request = this.outstandingPuts_[index].request;\r\n        var onComplete = this.outstandingPuts_[index].onComplete;\r\n        this.outstandingPuts_[index].queued = this.connected_;\r\n        this.sendRequest(action, request, function (message) {\r\n            _this.log_(action + ' response', message);\r\n            delete _this.outstandingPuts_[index];\r\n            _this.outstandingPutCount_--;\r\n            // Clean up array occasionally.\r\n            if (_this.outstandingPutCount_ === 0) {\r\n                _this.outstandingPuts_ = [];\r\n            }\r\n            if (onComplete) {\r\n                onComplete(message[ /*status*/'s'], message[ /* data */'d']);\r\n            }\r\n        });\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    PersistentConnection.prototype.reportStats = function (stats) {\r\n        var _this = this;\r\n        // If we're not connected, we just drop the stats.\r\n        if (this.connected_) {\r\n            var request = { /*counters*/ c: stats };\r\n            this.log_('reportStats', request);\r\n            this.sendRequest(/*stats*/ 's', request, function (result) {\r\n                var status = result[ /*status*/'s'];\r\n                if (status !== 'ok') {\r\n                    var errorReason = result[ /* data */'d'];\r\n                    _this.log_('reportStats', 'Error sending stats: ' + errorReason);\r\n                }\r\n            });\r\n        }\r\n    };\r\n    PersistentConnection.prototype.onDataMessage_ = function (message) {\r\n        if ('r' in message) {\r\n            // this is a response\r\n            this.log_('from server: ' + util.stringify(message));\r\n            var reqNum = message['r'];\r\n            var onResponse = this.requestCBHash_[reqNum];\r\n            if (onResponse) {\r\n                delete this.requestCBHash_[reqNum];\r\n                onResponse(message[ /*body*/'b']);\r\n            }\r\n        }\r\n        else if ('error' in message) {\r\n            throw 'A server-side error has occurred: ' + message['error'];\r\n        }\r\n        else if ('a' in message) {\r\n            // a and b are action and body, respectively\r\n            this.onDataPush_(message['a'], message['b']);\r\n        }\r\n    };\r\n    PersistentConnection.prototype.onDataPush_ = function (action, body) {\r\n        this.log_('handleServerMessage', action, body);\r\n        if (action === 'd') {\r\n            this.onDataUpdate_(body[ /*path*/'p'], body[ /*data*/'d'], \r\n            /*isMerge*/ false, body['t']);\r\n        }\r\n        else if (action === 'm') {\r\n            this.onDataUpdate_(body[ /*path*/'p'], body[ /*data*/'d'], \r\n            /*isMerge=*/ true, body['t']);\r\n        }\r\n        else if (action === 'c') {\r\n            this.onListenRevoked_(body[ /*path*/'p'], body[ /*query*/'q']);\r\n        }\r\n        else if (action === 'ac') {\r\n            this.onAuthRevoked_(body[ /*status code*/'s'], body[ /* explanation */'d']);\r\n        }\r\n        else if (action === 'sd') {\r\n            this.onSecurityDebugPacket_(body);\r\n        }\r\n        else {\r\n            error('Unrecognized action received from server: ' +\r\n                util.stringify(action) +\r\n                '\\nAre you using the latest client?');\r\n        }\r\n    };\r\n    PersistentConnection.prototype.onReady_ = function (timestamp, sessionId) {\r\n        this.log_('connection ready');\r\n        this.connected_ = true;\r\n        this.lastConnectionEstablishedTime_ = new Date().getTime();\r\n        this.handleTimestamp_(timestamp);\r\n        this.lastSessionId = sessionId;\r\n        if (this.firstConnection_) {\r\n            this.sendConnectStats_();\r\n        }\r\n        this.restoreState_();\r\n        this.firstConnection_ = false;\r\n        this.onConnectStatus_(true);\r\n    };\r\n    PersistentConnection.prototype.scheduleConnect_ = function (timeout) {\r\n        var _this = this;\r\n        util.assert(!this.realtime_, \"Scheduling a connect when we're already connected/ing?\");\r\n        if (this.establishConnectionTimer_) {\r\n            clearTimeout(this.establishConnectionTimer_);\r\n        }\r\n        // NOTE: Even when timeout is 0, it's important to do a setTimeout to work around an infuriating \"Security Error\" in\r\n        // Firefox when trying to write to our long-polling iframe in some scenarios (e.g. Forge or our unit tests).\r\n        this.establishConnectionTimer_ = setTimeout(function () {\r\n            _this.establishConnectionTimer_ = null;\r\n            _this.establishConnection_();\r\n            // eslint-disable-next-line @typescript-eslint/no-explicit-any\r\n        }, Math.floor(timeout));\r\n    };\r\n    PersistentConnection.prototype.onVisible_ = function (visible) {\r\n        // NOTE: Tabbing away and back to a window will defeat our reconnect backoff, but I think that's fine.\r\n        if (visible &&\r\n            !this.visible_ &&\r\n            this.reconnectDelay_ === this.maxReconnectDelay_) {\r\n            this.log_('Window became visible.  Reducing delay.');\r\n            this.reconnectDelay_ = RECONNECT_MIN_DELAY;\r\n            if (!this.realtime_) {\r\n                this.scheduleConnect_(0);\r\n            }\r\n        }\r\n        this.visible_ = visible;\r\n    };\r\n    PersistentConnection.prototype.onOnline_ = function (online) {\r\n        if (online) {\r\n            this.log_('Browser went online.');\r\n            this.reconnectDelay_ = RECONNECT_MIN_DELAY;\r\n            if (!this.realtime_) {\r\n                this.scheduleConnect_(0);\r\n            }\r\n        }\r\n        else {\r\n            this.log_('Browser went offline.  Killing connection.');\r\n            if (this.realtime_) {\r\n                this.realtime_.close();\r\n            }\r\n        }\r\n    };\r\n    PersistentConnection.prototype.onRealtimeDisconnect_ = function () {\r\n        this.log_('data client disconnected');\r\n        this.connected_ = false;\r\n        this.realtime_ = null;\r\n        // Since we don't know if our sent transactions succeeded or not, we need to cancel them.\r\n        this.cancelSentTransactions_();\r\n        // Clear out the pending requests.\r\n        this.requestCBHash_ = {};\r\n        if (this.shouldReconnect_()) {\r\n            if (!this.visible_) {\r\n                this.log_(\"Window isn't visible.  Delaying reconnect.\");\r\n                this.reconnectDelay_ = this.maxReconnectDelay_;\r\n                this.lastConnectionAttemptTime_ = new Date().getTime();\r\n            }\r\n            else if (this.lastConnectionEstablishedTime_) {\r\n                // If we've been connected long enough, reset reconnect delay to minimum.\r\n                var timeSinceLastConnectSucceeded = new Date().getTime() - this.lastConnectionEstablishedTime_;\r\n                if (timeSinceLastConnectSucceeded > RECONNECT_DELAY_RESET_TIMEOUT) {\r\n                    this.reconnectDelay_ = RECONNECT_MIN_DELAY;\r\n                }\r\n                this.lastConnectionEstablishedTime_ = null;\r\n            }\r\n            var timeSinceLastConnectAttempt = new Date().getTime() - this.lastConnectionAttemptTime_;\r\n            var reconnectDelay = Math.max(0, this.reconnectDelay_ - timeSinceLastConnectAttempt);\r\n            reconnectDelay = Math.random() * reconnectDelay;\r\n            this.log_('Trying to reconnect in ' + reconnectDelay + 'ms');\r\n            this.scheduleConnect_(reconnectDelay);\r\n            // Adjust reconnect delay for next time.\r\n            this.reconnectDelay_ = Math.min(this.maxReconnectDelay_, this.reconnectDelay_ * RECONNECT_DELAY_MULTIPLIER);\r\n        }\r\n        this.onConnectStatus_(false);\r\n    };\r\n    PersistentConnection.prototype.establishConnection_ = function () {\r\n        var _this = this;\r\n        if (this.shouldReconnect_()) {\r\n            this.log_('Making a connection attempt');\r\n            this.lastConnectionAttemptTime_ = new Date().getTime();\r\n            this.lastConnectionEstablishedTime_ = null;\r\n            var onDataMessage_1 = this.onDataMessage_.bind(this);\r\n            var onReady_1 = this.onReady_.bind(this);\r\n            var onDisconnect_1 = this.onRealtimeDisconnect_.bind(this);\r\n            var connId_1 = this.id + ':' + PersistentConnection.nextConnectionId_++;\r\n            var self_1 = this;\r\n            var lastSessionId_1 = this.lastSessionId;\r\n            var canceled_1 = false;\r\n            var connection_1 = null;\r\n            var closeFn_1 = function () {\r\n                if (connection_1) {\r\n                    connection_1.close();\r\n                }\r\n                else {\r\n                    canceled_1 = true;\r\n                    onDisconnect_1();\r\n                }\r\n            };\r\n            var sendRequestFn = function (msg) {\r\n                util.assert(connection_1, \"sendRequest call when we're not connected not allowed.\");\r\n                connection_1.sendRequest(msg);\r\n            };\r\n            this.realtime_ = {\r\n                close: closeFn_1,\r\n                sendRequest: sendRequestFn\r\n            };\r\n            var forceRefresh = this.forceTokenRefresh_;\r\n            this.forceTokenRefresh_ = false;\r\n            // First fetch auth token, and establish connection after fetching the token was successful\r\n            this.authTokenProvider_\r\n                .getToken(forceRefresh)\r\n                .then(function (result) {\r\n                if (!canceled_1) {\r\n                    log('getToken() completed. Creating connection.');\r\n                    self_1.authToken_ = result && result.accessToken;\r\n                    connection_1 = new Connection(connId_1, self_1.repoInfo_, self_1.applicationId_, onDataMessage_1, onReady_1, onDisconnect_1, \r\n                    /* onKill= */ function (reason) {\r\n                        warn(reason + ' (' + self_1.repoInfo_.toString() + ')');\r\n                        self_1.interrupt(SERVER_KILL_INTERRUPT_REASON);\r\n                    }, lastSessionId_1);\r\n                }\r\n                else {\r\n                    log('getToken() completed but was canceled');\r\n                }\r\n            })\r\n                .then(null, function (error) {\r\n                self_1.log_('Failed to get token: ' + error);\r\n                if (!canceled_1) {\r\n                    if (_this.repoInfo_.nodeAdmin) {\r\n                        // This may be a critical error for the Admin Node.js SDK, so log a warning.\r\n                        // But getToken() may also just have temporarily failed, so we still want to\r\n                        // continue retrying.\r\n                        warn(error);\r\n                    }\r\n                    closeFn_1();\r\n                }\r\n            });\r\n        }\r\n    };\r\n    PersistentConnection.prototype.interrupt = function (reason) {\r\n        log('Interrupting connection for reason: ' + reason);\r\n        this.interruptReasons_[reason] = true;\r\n        if (this.realtime_) {\r\n            this.realtime_.close();\r\n        }\r\n        else {\r\n            if (this.establishConnectionTimer_) {\r\n                clearTimeout(this.establishConnectionTimer_);\r\n                this.establishConnectionTimer_ = null;\r\n            }\r\n            if (this.connected_) {\r\n                this.onRealtimeDisconnect_();\r\n            }\r\n        }\r\n    };\r\n    PersistentConnection.prototype.resume = function (reason) {\r\n        log('Resuming connection for reason: ' + reason);\r\n        delete this.interruptReasons_[reason];\r\n        if (util.isEmpty(this.interruptReasons_)) {\r\n            this.reconnectDelay_ = RECONNECT_MIN_DELAY;\r\n            if (!this.realtime_) {\r\n                this.scheduleConnect_(0);\r\n            }\r\n        }\r\n    };\r\n    PersistentConnection.prototype.handleTimestamp_ = function (timestamp) {\r\n        var delta = timestamp - new Date().getTime();\r\n        this.onServerInfoUpdate_({ serverTimeOffset: delta });\r\n    };\r\n    PersistentConnection.prototype.cancelSentTransactions_ = function () {\r\n        for (var i = 0; i < this.outstandingPuts_.length; i++) {\r\n            var put = this.outstandingPuts_[i];\r\n            if (put && /*hash*/ 'h' in put.request && put.queued) {\r\n                if (put.onComplete) {\r\n                    put.onComplete('disconnect');\r\n                }\r\n                delete this.outstandingPuts_[i];\r\n                this.outstandingPutCount_--;\r\n            }\r\n        }\r\n        // Clean up array occasionally.\r\n        if (this.outstandingPutCount_ === 0) {\r\n            this.outstandingPuts_ = [];\r\n        }\r\n    };\r\n    PersistentConnection.prototype.onListenRevoked_ = function (pathString, query) {\r\n        // Remove the listen and manufacture a \"permission_denied\" error for the failed listen.\r\n        var queryId;\r\n        if (!query) {\r\n            queryId = 'default';\r\n        }\r\n        else {\r\n            queryId = query.map(function (q) { return ObjectToUniqueKey(q); }).join('$');\r\n        }\r\n        var listen = this.removeListen_(pathString, queryId);\r\n        if (listen && listen.onComplete) {\r\n            listen.onComplete('permission_denied');\r\n        }\r\n    };\r\n    PersistentConnection.prototype.removeListen_ = function (pathString, queryId) {\r\n        var normalizedPathString = new Path(pathString).toString(); // normalize path.\r\n        var listen;\r\n        if (this.listens.has(normalizedPathString)) {\r\n            var map = this.listens.get(normalizedPathString);\r\n            listen = map.get(queryId);\r\n            map.delete(queryId);\r\n            if (map.size === 0) {\r\n                this.listens.delete(normalizedPathString);\r\n            }\r\n        }\r\n        else {\r\n            // all listens for this path has already been removed\r\n            listen = undefined;\r\n        }\r\n        return listen;\r\n    };\r\n    PersistentConnection.prototype.onAuthRevoked_ = function (statusCode, explanation) {\r\n        log('Auth token revoked: ' + statusCode + '/' + explanation);\r\n        this.authToken_ = null;\r\n        this.forceTokenRefresh_ = true;\r\n        this.realtime_.close();\r\n        if (statusCode === 'invalid_token' || statusCode === 'permission_denied') {\r\n            // We'll wait a couple times before logging the warning / increasing the\r\n            // retry period since oauth tokens will report as \"invalid\" if they're\r\n            // just expired. Plus there may be transient issues that resolve themselves.\r\n            this.invalidAuthTokenCount_++;\r\n            if (this.invalidAuthTokenCount_ >= INVALID_AUTH_TOKEN_THRESHOLD) {\r\n                // Set a long reconnect delay because recovery is unlikely\r\n                this.reconnectDelay_ = RECONNECT_MAX_DELAY_FOR_ADMINS;\r\n                // Notify the auth token provider that the token is invalid, which will log\r\n                // a warning\r\n                this.authTokenProvider_.notifyForInvalidToken();\r\n            }\r\n        }\r\n    };\r\n    PersistentConnection.prototype.onSecurityDebugPacket_ = function (body) {\r\n        if (this.securityDebugCallback_) {\r\n            this.securityDebugCallback_(body);\r\n        }\r\n        else {\r\n            if ('msg' in body) {\r\n                console.log('FIREBASE: ' + body['msg'].replace('\\n', '\\nFIREBASE: '));\r\n            }\r\n        }\r\n    };\r\n    PersistentConnection.prototype.restoreState_ = function () {\r\n        var e_1, _a, e_2, _b;\r\n        //Re-authenticate ourselves if we have a credential stored.\r\n        this.tryAuth();\r\n        try {\r\n            // Puts depend on having received the corresponding data update from the server before they complete, so we must\r\n            // make sure to send listens before puts.\r\n            for (var _c = tslib.__values(this.listens.values()), _d = _c.next(); !_d.done; _d = _c.next()) {\r\n                var queries = _d.value;\r\n                try {\r\n                    for (var _e = (e_2 = void 0, tslib.__values(queries.values())), _f = _e.next(); !_f.done; _f = _e.next()) {\r\n                        var listenSpec = _f.value;\r\n                        this.sendListen_(listenSpec);\r\n                    }\r\n                }\r\n                catch (e_2_1) { e_2 = { error: e_2_1 }; }\r\n                finally {\r\n                    try {\r\n                        if (_f && !_f.done && (_b = _e.return)) _b.call(_e);\r\n                    }\r\n                    finally { if (e_2) throw e_2.error; }\r\n                }\r\n            }\r\n        }\r\n        catch (e_1_1) { e_1 = { error: e_1_1 }; }\r\n        finally {\r\n            try {\r\n                if (_d && !_d.done && (_a = _c.return)) _a.call(_c);\r\n            }\r\n            finally { if (e_1) throw e_1.error; }\r\n        }\r\n        for (var i = 0; i < this.outstandingPuts_.length; i++) {\r\n            if (this.outstandingPuts_[i]) {\r\n                this.sendPut_(i);\r\n            }\r\n        }\r\n        while (this.onDisconnectRequestQueue_.length) {\r\n            var request = this.onDisconnectRequestQueue_.shift();\r\n            this.sendOnDisconnect_(request.action, request.pathString, request.data, request.onComplete);\r\n        }\r\n    };\r\n    /**\r\n     * Sends client stats for first connection\r\n     */\r\n    PersistentConnection.prototype.sendConnectStats_ = function () {\r\n        var stats = {};\r\n        var clientName = 'js';\r\n        if (util.isNodeSdk()) {\r\n            if (this.repoInfo_.nodeAdmin) {\r\n                clientName = 'admin_node';\r\n            }\r\n            else {\r\n                clientName = 'node';\r\n            }\r\n        }\r\n        stats['sdk.' + clientName + '.' + SDK_VERSION.replace(/\\./g, '-')] = 1;\r\n        if (util.isMobileCordova()) {\r\n            stats['framework.cordova'] = 1;\r\n        }\r\n        else if (util.isReactNative()) {\r\n            stats['framework.reactnative'] = 1;\r\n        }\r\n        this.reportStats(stats);\r\n    };\r\n    PersistentConnection.prototype.shouldReconnect_ = function () {\r\n        var online = OnlineMonitor.getInstance().currentlyOnline();\r\n        return util.isEmpty(this.interruptReasons_) && online;\r\n    };\r\n    PersistentConnection.nextPersistentConnectionId_ = 0;\r\n    /**\r\n     * Counter for number of connections created. Mainly used for tagging in the logs\r\n     */\r\n    PersistentConnection.nextConnectionId_ = 0;\r\n    return PersistentConnection;\r\n}(ServerActions));\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * An implementation of ServerActions that communicates with the server via REST requests.\r\n * This is mostly useful for compatibility with crawlers, where we don't want to spin up a full\r\n * persistent connection (using WebSockets or long-polling)\r\n */\r\nvar ReadonlyRestClient = /** @class */ (function (_super) {\r\n    tslib.__extends(ReadonlyRestClient, _super);\r\n    /**\r\n     * @param {!RepoInfo} repoInfo_ Data about the namespace we are connecting to\r\n     * @param {function(string, *, boolean, ?number)} onDataUpdate_ A callback for new data from the server\r\n     * @param {AuthTokenProvider} authTokenProvider_\r\n     * @implements {ServerActions}\r\n     */\r\n    function ReadonlyRestClient(repoInfo_, onDataUpdate_, authTokenProvider_) {\r\n        var _this = _super.call(this) || this;\r\n        _this.repoInfo_ = repoInfo_;\r\n        _this.onDataUpdate_ = onDataUpdate_;\r\n        _this.authTokenProvider_ = authTokenProvider_;\r\n        /** @private {function(...[*])} */\r\n        _this.log_ = logWrapper('p:rest:');\r\n        /**\r\n         * We don't actually need to track listens, except to prevent us calling an onComplete for a listen\r\n         * that's been removed. :-/\r\n         *\r\n         * @private {!Object.<string, !Object>}\r\n         */\r\n        _this.listens_ = {};\r\n        return _this;\r\n    }\r\n    ReadonlyRestClient.prototype.reportStats = function (stats) {\r\n        throw new Error('Method not implemented.');\r\n    };\r\n    /**\r\n     * @param {!Query} query\r\n     * @param {?number=} tag\r\n     * @return {string}\r\n     * @private\r\n     */\r\n    ReadonlyRestClient.getListenId_ = function (query, tag) {\r\n        if (tag !== undefined) {\r\n            return 'tag$' + tag;\r\n        }\r\n        else {\r\n            util.assert(query.getQueryParams().isDefault(), \"should have a tag if it's not a default query.\");\r\n            return query.path.toString();\r\n        }\r\n    };\r\n    /** @inheritDoc */\r\n    ReadonlyRestClient.prototype.listen = function (query, currentHashFn, tag, onComplete) {\r\n        var _this = this;\r\n        var pathString = query.path.toString();\r\n        this.log_('Listen called for ' + pathString + ' ' + query.queryIdentifier());\r\n        // Mark this listener so we can tell if it's removed.\r\n        var listenId = ReadonlyRestClient.getListenId_(query, tag);\r\n        var thisListen = {};\r\n        this.listens_[listenId] = thisListen;\r\n        var queryStringParameters = query\r\n            .getQueryParams()\r\n            .toRestQueryStringParameters();\r\n        this.restRequest_(pathString + '.json', queryStringParameters, function (error, result) {\r\n            var data = result;\r\n            if (error === 404) {\r\n                data = null;\r\n                error = null;\r\n            }\r\n            if (error === null) {\r\n                _this.onDataUpdate_(pathString, data, /*isMerge=*/ false, tag);\r\n            }\r\n            if (util.safeGet(_this.listens_, listenId) === thisListen) {\r\n                var status_1;\r\n                if (!error) {\r\n                    status_1 = 'ok';\r\n                }\r\n                else if (error === 401) {\r\n                    status_1 = 'permission_denied';\r\n                }\r\n                else {\r\n                    status_1 = 'rest_error:' + error;\r\n                }\r\n                onComplete(status_1, null);\r\n            }\r\n        });\r\n    };\r\n    /** @inheritDoc */\r\n    ReadonlyRestClient.prototype.unlisten = function (query, tag) {\r\n        var listenId = ReadonlyRestClient.getListenId_(query, tag);\r\n        delete this.listens_[listenId];\r\n    };\r\n    /** @inheritDoc */\r\n    ReadonlyRestClient.prototype.refreshAuthToken = function (token) {\r\n        // no-op since we just always call getToken.\r\n    };\r\n    /**\r\n     * Performs a REST request to the given path, with the provided query string parameters,\r\n     * and any auth credentials we have.\r\n     *\r\n     * @param {!string} pathString\r\n     * @param {!Object.<string, *>} queryStringParameters\r\n     * @param {?function(?number, *=)} callback\r\n     * @private\r\n     */\r\n    ReadonlyRestClient.prototype.restRequest_ = function (pathString, queryStringParameters, callback) {\r\n        var _this = this;\r\n        if (queryStringParameters === void 0) { queryStringParameters = {}; }\r\n        queryStringParameters['format'] = 'export';\r\n        this.authTokenProvider_\r\n            .getToken(/*forceRefresh=*/ false)\r\n            .then(function (authTokenData) {\r\n            var authToken = authTokenData && authTokenData.accessToken;\r\n            if (authToken) {\r\n                queryStringParameters['auth'] = authToken;\r\n            }\r\n            var url = (_this.repoInfo_.secure ? 'https://' : 'http://') +\r\n                _this.repoInfo_.host +\r\n                pathString +\r\n                '?' +\r\n                'ns=' +\r\n                _this.repoInfo_.namespace +\r\n                util.querystring(queryStringParameters);\r\n            _this.log_('Sending REST request for ' + url);\r\n            var xhr = new XMLHttpRequest();\r\n            xhr.onreadystatechange = function () {\r\n                if (callback && xhr.readyState === 4) {\r\n                    _this.log_('REST Response for ' + url + ' received. status:', xhr.status, 'response:', xhr.responseText);\r\n                    var res = null;\r\n                    if (xhr.status >= 200 && xhr.status < 300) {\r\n                        try {\r\n                            res = util.jsonEval(xhr.responseText);\r\n                        }\r\n                        catch (e) {\r\n                            warn('Failed to parse JSON response for ' +\r\n                                url +\r\n                                ': ' +\r\n                                xhr.responseText);\r\n                        }\r\n                        callback(null, res);\r\n                    }\r\n                    else {\r\n                        // 401 and 404 are expected.\r\n                        if (xhr.status !== 401 && xhr.status !== 404) {\r\n                            warn('Got unsuccessful REST response for ' +\r\n                                url +\r\n                                ' Status: ' +\r\n                                xhr.status);\r\n                        }\r\n                        callback(xhr.status);\r\n                    }\r\n                    callback = null;\r\n                }\r\n            };\r\n            xhr.open('GET', url, /*asynchronous=*/ true);\r\n            xhr.send();\r\n        });\r\n    };\r\n    return ReadonlyRestClient;\r\n}(ServerActions));\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nvar INTERRUPT_REASON = 'repo_interrupt';\r\n/**\r\n * A connection to a single data repository.\r\n */\r\nvar Repo = /** @class */ (function () {\r\n    function Repo(repoInfo_, forceRestClient, app, authTokenProvider) {\r\n        var _this = this;\r\n        this.repoInfo_ = repoInfo_;\r\n        this.app = app;\r\n        this.dataUpdateCount = 0;\r\n        this.statsListener_ = null;\r\n        this.eventQueue_ = new EventQueue();\r\n        this.nextWriteId_ = 1;\r\n        this.interceptServerDataCallback_ = null;\r\n        /** A list of data pieces and paths to be set when this client disconnects. */\r\n        this.onDisconnect_ = new SparseSnapshotTree();\r\n        // TODO: This should be @private but it's used by test_access.js and internal.js\r\n        this.persistentConnection_ = null;\r\n        this.stats_ = StatsManager.getCollection(repoInfo_);\r\n        if (forceRestClient || beingCrawled()) {\r\n            this.server_ = new ReadonlyRestClient(this.repoInfo_, this.onDataUpdate_.bind(this), authTokenProvider);\r\n            // Minor hack: Fire onConnect immediately, since there's no actual connection.\r\n            setTimeout(this.onConnectStatus_.bind(this, true), 0);\r\n        }\r\n        else {\r\n            var authOverride = app.options['databaseAuthVariableOverride'];\r\n            // Validate authOverride\r\n            if (typeof authOverride !== 'undefined' && authOverride !== null) {\r\n                if (typeof authOverride !== 'object') {\r\n                    throw new Error('Only objects are supported for option databaseAuthVariableOverride');\r\n                }\r\n                try {\r\n                    util.stringify(authOverride);\r\n                }\r\n                catch (e) {\r\n                    throw new Error('Invalid authOverride provided: ' + e);\r\n                }\r\n            }\r\n            this.persistentConnection_ = new PersistentConnection(this.repoInfo_, app.options.appId, this.onDataUpdate_.bind(this), this.onConnectStatus_.bind(this), this.onServerInfoUpdate_.bind(this), authTokenProvider, authOverride);\r\n            this.server_ = this.persistentConnection_;\r\n        }\r\n        authTokenProvider.addTokenChangeListener(function (token) {\r\n            _this.server_.refreshAuthToken(token);\r\n        });\r\n        // In the case of multiple Repos for the same repoInfo (i.e. there are multiple Firebase.Contexts being used),\r\n        // we only want to create one StatsReporter.  As such, we'll report stats over the first Repo created.\r\n        this.statsReporter_ = StatsManager.getOrCreateReporter(repoInfo_, function () { return new StatsReporter(_this.stats_, _this.server_); });\r\n        this.transactionsInit_();\r\n        // Used for .info.\r\n        this.infoData_ = new SnapshotHolder();\r\n        this.infoSyncTree_ = new SyncTree({\r\n            startListening: function (query, tag, currentHashFn, onComplete) {\r\n                var infoEvents = [];\r\n                var node = _this.infoData_.getNode(query.path);\r\n                // This is possibly a hack, but we have different semantics for .info endpoints. We don't raise null events\r\n                // on initial data...\r\n                if (!node.isEmpty()) {\r\n                    infoEvents = _this.infoSyncTree_.applyServerOverwrite(query.path, node);\r\n                    setTimeout(function () {\r\n                        onComplete('ok');\r\n                    }, 0);\r\n                }\r\n                return infoEvents;\r\n            },\r\n            stopListening: function () { }\r\n        });\r\n        this.updateInfo_('connected', false);\r\n        this.serverSyncTree_ = new SyncTree({\r\n            startListening: function (query, tag, currentHashFn, onComplete) {\r\n                _this.server_.listen(query, currentHashFn, tag, function (status, data) {\r\n                    var events = onComplete(status, data);\r\n                    _this.eventQueue_.raiseEventsForChangedPath(query.path, events);\r\n                });\r\n                // No synchronous events for network-backed sync trees\r\n                return [];\r\n            },\r\n            stopListening: function (query, tag) {\r\n                _this.server_.unlisten(query, tag);\r\n            }\r\n        });\r\n    }\r\n    /**\r\n     * @return The URL corresponding to the root of this Firebase.\r\n     */\r\n    Repo.prototype.toString = function () {\r\n        return ((this.repoInfo_.secure ? 'https://' : 'http://') + this.repoInfo_.host);\r\n    };\r\n    /**\r\n     * @return The namespace represented by the repo.\r\n     */\r\n    Repo.prototype.name = function () {\r\n        return this.repoInfo_.namespace;\r\n    };\r\n    /**\r\n     * @return The time in milliseconds, taking the server offset into account if we have one.\r\n     */\r\n    Repo.prototype.serverTime = function () {\r\n        var offsetNode = this.infoData_.getNode(new Path('.info/serverTimeOffset'));\r\n        var offset = offsetNode.val() || 0;\r\n        return new Date().getTime() + offset;\r\n    };\r\n    /**\r\n     * Generate ServerValues using some variables from the repo object.\r\n     */\r\n    Repo.prototype.generateServerValues = function () {\r\n        return generateWithValues({\r\n            timestamp: this.serverTime()\r\n        });\r\n    };\r\n    /**\r\n     * Called by realtime when we get new messages from the server.\r\n     */\r\n    Repo.prototype.onDataUpdate_ = function (pathString, data, isMerge, tag) {\r\n        // For testing.\r\n        this.dataUpdateCount++;\r\n        var path = new Path(pathString);\r\n        data = this.interceptServerDataCallback_\r\n            ? this.interceptServerDataCallback_(pathString, data)\r\n            : data;\r\n        var events = [];\r\n        if (tag) {\r\n            if (isMerge) {\r\n                var taggedChildren = util.map(data, function (raw) { return nodeFromJSON$1(raw); });\r\n                events = this.serverSyncTree_.applyTaggedQueryMerge(path, taggedChildren, tag);\r\n            }\r\n            else {\r\n                var taggedSnap = nodeFromJSON$1(data);\r\n                events = this.serverSyncTree_.applyTaggedQueryOverwrite(path, taggedSnap, tag);\r\n            }\r\n        }\r\n        else if (isMerge) {\r\n            var changedChildren = util.map(data, function (raw) { return nodeFromJSON$1(raw); });\r\n            events = this.serverSyncTree_.applyServerMerge(path, changedChildren);\r\n        }\r\n        else {\r\n            var snap = nodeFromJSON$1(data);\r\n            events = this.serverSyncTree_.applyServerOverwrite(path, snap);\r\n        }\r\n        var affectedPath = path;\r\n        if (events.length > 0) {\r\n            // Since we have a listener outstanding for each transaction, receiving any events\r\n            // is a proxy for some change having occurred.\r\n            affectedPath = this.rerunTransactions_(path);\r\n        }\r\n        this.eventQueue_.raiseEventsForChangedPath(affectedPath, events);\r\n    };\r\n    // TODO: This should be @private but it's used by test_access.js and internal.js\r\n    Repo.prototype.interceptServerData_ = function (callback) {\r\n        this.interceptServerDataCallback_ = callback;\r\n    };\r\n    Repo.prototype.onConnectStatus_ = function (connectStatus) {\r\n        this.updateInfo_('connected', connectStatus);\r\n        if (connectStatus === false) {\r\n            this.runOnDisconnectEvents_();\r\n        }\r\n    };\r\n    Repo.prototype.onServerInfoUpdate_ = function (updates) {\r\n        var _this = this;\r\n        each(updates, function (key, value) {\r\n            _this.updateInfo_(key, value);\r\n        });\r\n    };\r\n    Repo.prototype.updateInfo_ = function (pathString, value) {\r\n        var path = new Path('/.info/' + pathString);\r\n        var newNode = nodeFromJSON$1(value);\r\n        this.infoData_.updateSnapshot(path, newNode);\r\n        var events = this.infoSyncTree_.applyServerOverwrite(path, newNode);\r\n        this.eventQueue_.raiseEventsForChangedPath(path, events);\r\n    };\r\n    Repo.prototype.getNextWriteId_ = function () {\r\n        return this.nextWriteId_++;\r\n    };\r\n    Repo.prototype.setWithPriority = function (path, newVal, newPriority, onComplete) {\r\n        var _this = this;\r\n        this.log_('set', {\r\n            path: path.toString(),\r\n            value: newVal,\r\n            priority: newPriority\r\n        });\r\n        // TODO: Optimize this behavior to either (a) store flag to skip resolving where possible and / or\r\n        // (b) store unresolved paths on JSON parse\r\n        var serverValues = this.generateServerValues();\r\n        var newNodeUnresolved = nodeFromJSON$1(newVal, newPriority);\r\n        var existing = this.serverSyncTree_.calcCompleteEventCache(path);\r\n        var newNode = resolveDeferredValueSnapshot(newNodeUnresolved, existing, serverValues);\r\n        var writeId = this.getNextWriteId_();\r\n        var events = this.serverSyncTree_.applyUserOverwrite(path, newNode, writeId, true);\r\n        this.eventQueue_.queueEvents(events);\r\n        this.server_.put(path.toString(), newNodeUnresolved.val(/*export=*/ true), function (status, errorReason) {\r\n            var success = status === 'ok';\r\n            if (!success) {\r\n                warn('set at ' + path + ' failed: ' + status);\r\n            }\r\n            var clearEvents = _this.serverSyncTree_.ackUserWrite(writeId, !success);\r\n            _this.eventQueue_.raiseEventsForChangedPath(path, clearEvents);\r\n            _this.callOnCompleteCallback(onComplete, status, errorReason);\r\n        });\r\n        var affectedPath = this.abortTransactions_(path);\r\n        this.rerunTransactions_(affectedPath);\r\n        // We queued the events above, so just flush the queue here\r\n        this.eventQueue_.raiseEventsForChangedPath(affectedPath, []);\r\n    };\r\n    Repo.prototype.update = function (path, childrenToMerge, onComplete) {\r\n        var _this = this;\r\n        this.log_('update', { path: path.toString(), value: childrenToMerge });\r\n        // Start with our existing data and merge each child into it.\r\n        var empty = true;\r\n        var serverValues = this.generateServerValues();\r\n        var changedChildren = {};\r\n        each(childrenToMerge, function (changedKey, changedValue) {\r\n            empty = false;\r\n            changedChildren[changedKey] = resolveDeferredValueTree(path.child(changedKey), nodeFromJSON$1(changedValue), _this.serverSyncTree_, serverValues);\r\n        });\r\n        if (!empty) {\r\n            var writeId_1 = this.getNextWriteId_();\r\n            var events = this.serverSyncTree_.applyUserMerge(path, changedChildren, writeId_1);\r\n            this.eventQueue_.queueEvents(events);\r\n            this.server_.merge(path.toString(), childrenToMerge, function (status, errorReason) {\r\n                var success = status === 'ok';\r\n                if (!success) {\r\n                    warn('update at ' + path + ' failed: ' + status);\r\n                }\r\n                var clearEvents = _this.serverSyncTree_.ackUserWrite(writeId_1, !success);\r\n                var affectedPath = clearEvents.length > 0 ? _this.rerunTransactions_(path) : path;\r\n                _this.eventQueue_.raiseEventsForChangedPath(affectedPath, clearEvents);\r\n                _this.callOnCompleteCallback(onComplete, status, errorReason);\r\n            });\r\n            each(childrenToMerge, function (changedPath) {\r\n                var affectedPath = _this.abortTransactions_(path.child(changedPath));\r\n                _this.rerunTransactions_(affectedPath);\r\n            });\r\n            // We queued the events above, so just flush the queue here\r\n            this.eventQueue_.raiseEventsForChangedPath(path, []);\r\n        }\r\n        else {\r\n            log(\"update() called with empty data.  Don't do anything.\");\r\n            this.callOnCompleteCallback(onComplete, 'ok');\r\n        }\r\n    };\r\n    /**\r\n     * Applies all of the changes stored up in the onDisconnect_ tree.\r\n     */\r\n    Repo.prototype.runOnDisconnectEvents_ = function () {\r\n        var _this = this;\r\n        this.log_('onDisconnectEvents');\r\n        var serverValues = this.generateServerValues();\r\n        var resolvedOnDisconnectTree = new SparseSnapshotTree();\r\n        this.onDisconnect_.forEachTree(Path.Empty, function (path, node) {\r\n            var resolved = resolveDeferredValueTree(path, node, _this.serverSyncTree_, serverValues);\r\n            resolvedOnDisconnectTree.remember(path, resolved);\r\n        });\r\n        var events = [];\r\n        resolvedOnDisconnectTree.forEachTree(Path.Empty, function (path, snap) {\r\n            events = events.concat(_this.serverSyncTree_.applyServerOverwrite(path, snap));\r\n            var affectedPath = _this.abortTransactions_(path);\r\n            _this.rerunTransactions_(affectedPath);\r\n        });\r\n        this.onDisconnect_ = new SparseSnapshotTree();\r\n        this.eventQueue_.raiseEventsForChangedPath(Path.Empty, events);\r\n    };\r\n    Repo.prototype.onDisconnectCancel = function (path, onComplete) {\r\n        var _this = this;\r\n        this.server_.onDisconnectCancel(path.toString(), function (status, errorReason) {\r\n            if (status === 'ok') {\r\n                _this.onDisconnect_.forget(path);\r\n            }\r\n            _this.callOnCompleteCallback(onComplete, status, errorReason);\r\n        });\r\n    };\r\n    Repo.prototype.onDisconnectSet = function (path, value, onComplete) {\r\n        var _this = this;\r\n        var newNode = nodeFromJSON$1(value);\r\n        this.server_.onDisconnectPut(path.toString(), newNode.val(/*export=*/ true), function (status, errorReason) {\r\n            if (status === 'ok') {\r\n                _this.onDisconnect_.remember(path, newNode);\r\n            }\r\n            _this.callOnCompleteCallback(onComplete, status, errorReason);\r\n        });\r\n    };\r\n    Repo.prototype.onDisconnectSetWithPriority = function (path, value, priority, onComplete) {\r\n        var _this = this;\r\n        var newNode = nodeFromJSON$1(value, priority);\r\n        this.server_.onDisconnectPut(path.toString(), newNode.val(/*export=*/ true), function (status, errorReason) {\r\n            if (status === 'ok') {\r\n                _this.onDisconnect_.remember(path, newNode);\r\n            }\r\n            _this.callOnCompleteCallback(onComplete, status, errorReason);\r\n        });\r\n    };\r\n    Repo.prototype.onDisconnectUpdate = function (path, childrenToMerge, onComplete) {\r\n        var _this = this;\r\n        if (util.isEmpty(childrenToMerge)) {\r\n            log(\"onDisconnect().update() called with empty data.  Don't do anything.\");\r\n            this.callOnCompleteCallback(onComplete, 'ok');\r\n            return;\r\n        }\r\n        this.server_.onDisconnectMerge(path.toString(), childrenToMerge, function (status, errorReason) {\r\n            if (status === 'ok') {\r\n                each(childrenToMerge, function (childName, childNode) {\r\n                    var newChildNode = nodeFromJSON$1(childNode);\r\n                    _this.onDisconnect_.remember(path.child(childName), newChildNode);\r\n                });\r\n            }\r\n            _this.callOnCompleteCallback(onComplete, status, errorReason);\r\n        });\r\n    };\r\n    Repo.prototype.addEventCallbackForQuery = function (query, eventRegistration) {\r\n        var events;\r\n        if (query.path.getFront() === '.info') {\r\n            events = this.infoSyncTree_.addEventRegistration(query, eventRegistration);\r\n        }\r\n        else {\r\n            events = this.serverSyncTree_.addEventRegistration(query, eventRegistration);\r\n        }\r\n        this.eventQueue_.raiseEventsAtPath(query.path, events);\r\n    };\r\n    Repo.prototype.removeEventCallbackForQuery = function (query, eventRegistration) {\r\n        // These are guaranteed not to raise events, since we're not passing in a cancelError. However, we can future-proof\r\n        // a little bit by handling the return values anyways.\r\n        var events;\r\n        if (query.path.getFront() === '.info') {\r\n            events = this.infoSyncTree_.removeEventRegistration(query, eventRegistration);\r\n        }\r\n        else {\r\n            events = this.serverSyncTree_.removeEventRegistration(query, eventRegistration);\r\n        }\r\n        this.eventQueue_.raiseEventsAtPath(query.path, events);\r\n    };\r\n    Repo.prototype.interrupt = function () {\r\n        if (this.persistentConnection_) {\r\n            this.persistentConnection_.interrupt(INTERRUPT_REASON);\r\n        }\r\n    };\r\n    Repo.prototype.resume = function () {\r\n        if (this.persistentConnection_) {\r\n            this.persistentConnection_.resume(INTERRUPT_REASON);\r\n        }\r\n    };\r\n    Repo.prototype.stats = function (showDelta) {\r\n        if (showDelta === void 0) { showDelta = false; }\r\n        if (typeof console === 'undefined') {\r\n            return;\r\n        }\r\n        var stats;\r\n        if (showDelta) {\r\n            if (!this.statsListener_) {\r\n                this.statsListener_ = new StatsListener(this.stats_);\r\n            }\r\n            stats = this.statsListener_.get();\r\n        }\r\n        else {\r\n            stats = this.stats_.get();\r\n        }\r\n        var longestName = Object.keys(stats).reduce(function (previousValue, currentValue) {\r\n            return Math.max(currentValue.length, previousValue);\r\n        }, 0);\r\n        each(stats, function (stat, value) {\r\n            var paddedStat = stat;\r\n            // pad stat names to be the same length (plus 2 extra spaces).\r\n            for (var i = stat.length; i < longestName + 2; i++) {\r\n                paddedStat += ' ';\r\n            }\r\n            console.log(paddedStat + value);\r\n        });\r\n    };\r\n    Repo.prototype.statsIncrementCounter = function (metric) {\r\n        this.stats_.incrementCounter(metric);\r\n        this.statsReporter_.includeStat(metric);\r\n    };\r\n    Repo.prototype.log_ = function () {\r\n        var varArgs = [];\r\n        for (var _i = 0; _i < arguments.length; _i++) {\r\n            varArgs[_i] = arguments[_i];\r\n        }\r\n        var prefix = '';\r\n        if (this.persistentConnection_) {\r\n            prefix = this.persistentConnection_.id + ':';\r\n        }\r\n        log.apply(void 0, tslib.__spread([prefix], varArgs));\r\n    };\r\n    Repo.prototype.callOnCompleteCallback = function (callback, status, errorReason) {\r\n        if (callback) {\r\n            exceptionGuard(function () {\r\n                if (status === 'ok') {\r\n                    callback(null);\r\n                }\r\n                else {\r\n                    var code = (status || 'error').toUpperCase();\r\n                    var message = code;\r\n                    if (errorReason) {\r\n                        message += ': ' + errorReason;\r\n                    }\r\n                    var error = new Error(message);\r\n                    // eslint-disable-next-line @typescript-eslint/no-explicit-any\r\n                    error.code = code;\r\n                    callback(error);\r\n                }\r\n            });\r\n        }\r\n    };\r\n    Object.defineProperty(Repo.prototype, \"database\", {\r\n        get: function () {\r\n            return this.__database || (this.__database = new Database(this));\r\n        },\r\n        enumerable: false,\r\n        configurable: true\r\n    });\r\n    return Repo;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * Filters nodes by range and uses an IndexFilter to track any changes after filtering the node\r\n *\r\n * @constructor\r\n * @implements {NodeFilter}\r\n */\r\nvar RangedFilter = /** @class */ (function () {\r\n    /**\r\n     * @param {!QueryParams} params\r\n     */\r\n    function RangedFilter(params) {\r\n        this.indexedFilter_ = new IndexedFilter(params.getIndex());\r\n        this.index_ = params.getIndex();\r\n        this.startPost_ = RangedFilter.getStartPost_(params);\r\n        this.endPost_ = RangedFilter.getEndPost_(params);\r\n    }\r\n    /**\r\n     * @return {!NamedNode}\r\n     */\r\n    RangedFilter.prototype.getStartPost = function () {\r\n        return this.startPost_;\r\n    };\r\n    /**\r\n     * @return {!NamedNode}\r\n     */\r\n    RangedFilter.prototype.getEndPost = function () {\r\n        return this.endPost_;\r\n    };\r\n    /**\r\n     * @param {!NamedNode} node\r\n     * @return {boolean}\r\n     */\r\n    RangedFilter.prototype.matches = function (node) {\r\n        return (this.index_.compare(this.getStartPost(), node) <= 0 &&\r\n            this.index_.compare(node, this.getEndPost()) <= 0);\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    RangedFilter.prototype.updateChild = function (snap, key, newChild, affectedPath, source, optChangeAccumulator) {\r\n        if (!this.matches(new NamedNode(key, newChild))) {\r\n            newChild = ChildrenNode.EMPTY_NODE;\r\n        }\r\n        return this.indexedFilter_.updateChild(snap, key, newChild, affectedPath, source, optChangeAccumulator);\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    RangedFilter.prototype.updateFullNode = function (oldSnap, newSnap, optChangeAccumulator) {\r\n        if (newSnap.isLeafNode()) {\r\n            // Make sure we have a children node with the correct index, not a leaf node;\r\n            newSnap = ChildrenNode.EMPTY_NODE;\r\n        }\r\n        var filtered = newSnap.withIndex(this.index_);\r\n        // Don't support priorities on queries\r\n        filtered = filtered.updatePriority(ChildrenNode.EMPTY_NODE);\r\n        var self = this;\r\n        newSnap.forEachChild(PRIORITY_INDEX, function (key, childNode) {\r\n            if (!self.matches(new NamedNode(key, childNode))) {\r\n                filtered = filtered.updateImmediateChild(key, ChildrenNode.EMPTY_NODE);\r\n            }\r\n        });\r\n        return this.indexedFilter_.updateFullNode(oldSnap, filtered, optChangeAccumulator);\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    RangedFilter.prototype.updatePriority = function (oldSnap, newPriority) {\r\n        // Don't support priorities on queries\r\n        return oldSnap;\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    RangedFilter.prototype.filtersNodes = function () {\r\n        return true;\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    RangedFilter.prototype.getIndexedFilter = function () {\r\n        return this.indexedFilter_;\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    RangedFilter.prototype.getIndex = function () {\r\n        return this.index_;\r\n    };\r\n    /**\r\n     * @param {!QueryParams} params\r\n     * @return {!NamedNode}\r\n     * @private\r\n     */\r\n    RangedFilter.getStartPost_ = function (params) {\r\n        if (params.hasStart()) {\r\n            var startName = params.getIndexStartName();\r\n            return params.getIndex().makePost(params.getIndexStartValue(), startName);\r\n        }\r\n        else {\r\n            return params.getIndex().minPost();\r\n        }\r\n    };\r\n    /**\r\n     * @param {!QueryParams} params\r\n     * @return {!NamedNode}\r\n     * @private\r\n     */\r\n    RangedFilter.getEndPost_ = function (params) {\r\n        if (params.hasEnd()) {\r\n            var endName = params.getIndexEndName();\r\n            return params.getIndex().makePost(params.getIndexEndValue(), endName);\r\n        }\r\n        else {\r\n            return params.getIndex().maxPost();\r\n        }\r\n    };\r\n    return RangedFilter;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * Applies a limit and a range to a node and uses RangedFilter to do the heavy lifting where possible\r\n *\r\n * @constructor\r\n * @implements {NodeFilter}\r\n */\r\nvar LimitedFilter = /** @class */ (function () {\r\n    /**\r\n     * @param {!QueryParams} params\r\n     */\r\n    function LimitedFilter(params) {\r\n        this.rangedFilter_ = new RangedFilter(params);\r\n        this.index_ = params.getIndex();\r\n        this.limit_ = params.getLimit();\r\n        this.reverse_ = !params.isViewFromLeft();\r\n    }\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    LimitedFilter.prototype.updateChild = function (snap, key, newChild, affectedPath, source, optChangeAccumulator) {\r\n        if (!this.rangedFilter_.matches(new NamedNode(key, newChild))) {\r\n            newChild = ChildrenNode.EMPTY_NODE;\r\n        }\r\n        if (snap.getImmediateChild(key).equals(newChild)) {\r\n            // No change\r\n            return snap;\r\n        }\r\n        else if (snap.numChildren() < this.limit_) {\r\n            return this.rangedFilter_\r\n                .getIndexedFilter()\r\n                .updateChild(snap, key, newChild, affectedPath, source, optChangeAccumulator);\r\n        }\r\n        else {\r\n            return this.fullLimitUpdateChild_(snap, key, newChild, source, optChangeAccumulator);\r\n        }\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    LimitedFilter.prototype.updateFullNode = function (oldSnap, newSnap, optChangeAccumulator) {\r\n        var filtered;\r\n        if (newSnap.isLeafNode() || newSnap.isEmpty()) {\r\n            // Make sure we have a children node with the correct index, not a leaf node;\r\n            filtered = ChildrenNode.EMPTY_NODE.withIndex(this.index_);\r\n        }\r\n        else {\r\n            if (this.limit_ * 2 < newSnap.numChildren() &&\r\n                newSnap.isIndexed(this.index_)) {\r\n                // Easier to build up a snapshot, since what we're given has more than twice the elements we want\r\n                filtered = ChildrenNode.EMPTY_NODE.withIndex(this.index_);\r\n                // anchor to the startPost, endPost, or last element as appropriate\r\n                var iterator = void 0;\r\n                if (this.reverse_) {\r\n                    iterator = newSnap.getReverseIteratorFrom(this.rangedFilter_.getEndPost(), this.index_);\r\n                }\r\n                else {\r\n                    iterator = newSnap.getIteratorFrom(this.rangedFilter_.getStartPost(), this.index_);\r\n                }\r\n                var count = 0;\r\n                while (iterator.hasNext() && count < this.limit_) {\r\n                    var next = iterator.getNext();\r\n                    var inRange = void 0;\r\n                    if (this.reverse_) {\r\n                        inRange =\r\n                            this.index_.compare(this.rangedFilter_.getStartPost(), next) <= 0;\r\n                    }\r\n                    else {\r\n                        inRange =\r\n                            this.index_.compare(next, this.rangedFilter_.getEndPost()) <= 0;\r\n                    }\r\n                    if (inRange) {\r\n                        filtered = filtered.updateImmediateChild(next.name, next.node);\r\n                        count++;\r\n                    }\r\n                    else {\r\n                        // if we have reached the end post, we cannot keep adding elemments\r\n                        break;\r\n                    }\r\n                }\r\n            }\r\n            else {\r\n                // The snap contains less than twice the limit. Faster to delete from the snap than build up a new one\r\n                filtered = newSnap.withIndex(this.index_);\r\n                // Don't support priorities on queries\r\n                filtered = filtered.updatePriority(ChildrenNode.EMPTY_NODE);\r\n                var startPost = void 0;\r\n                var endPost = void 0;\r\n                var cmp = void 0;\r\n                var iterator = void 0;\r\n                if (this.reverse_) {\r\n                    iterator = filtered.getReverseIterator(this.index_);\r\n                    startPost = this.rangedFilter_.getEndPost();\r\n                    endPost = this.rangedFilter_.getStartPost();\r\n                    var indexCompare_1 = this.index_.getCompare();\r\n                    cmp = function (a, b) { return indexCompare_1(b, a); };\r\n                }\r\n                else {\r\n                    iterator = filtered.getIterator(this.index_);\r\n                    startPost = this.rangedFilter_.getStartPost();\r\n                    endPost = this.rangedFilter_.getEndPost();\r\n                    cmp = this.index_.getCompare();\r\n                }\r\n                var count = 0;\r\n                var foundStartPost = false;\r\n                while (iterator.hasNext()) {\r\n                    var next = iterator.getNext();\r\n                    if (!foundStartPost && cmp(startPost, next) <= 0) {\r\n                        // start adding\r\n                        foundStartPost = true;\r\n                    }\r\n                    var inRange = foundStartPost && count < this.limit_ && cmp(next, endPost) <= 0;\r\n                    if (inRange) {\r\n                        count++;\r\n                    }\r\n                    else {\r\n                        filtered = filtered.updateImmediateChild(next.name, ChildrenNode.EMPTY_NODE);\r\n                    }\r\n                }\r\n            }\r\n        }\r\n        return this.rangedFilter_\r\n            .getIndexedFilter()\r\n            .updateFullNode(oldSnap, filtered, optChangeAccumulator);\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    LimitedFilter.prototype.updatePriority = function (oldSnap, newPriority) {\r\n        // Don't support priorities on queries\r\n        return oldSnap;\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    LimitedFilter.prototype.filtersNodes = function () {\r\n        return true;\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    LimitedFilter.prototype.getIndexedFilter = function () {\r\n        return this.rangedFilter_.getIndexedFilter();\r\n    };\r\n    /**\r\n     * @inheritDoc\r\n     */\r\n    LimitedFilter.prototype.getIndex = function () {\r\n        return this.index_;\r\n    };\r\n    /**\r\n     * @param {!Node} snap\r\n     * @param {string} childKey\r\n     * @param {!Node} childSnap\r\n     * @param {!CompleteChildSource} source\r\n     * @param {?ChildChangeAccumulator} changeAccumulator\r\n     * @return {!Node}\r\n     * @private\r\n     */\r\n    LimitedFilter.prototype.fullLimitUpdateChild_ = function (snap, childKey, childSnap, source, changeAccumulator) {\r\n        // TODO: rename all cache stuff etc to general snap terminology\r\n        var cmp;\r\n        if (this.reverse_) {\r\n            var indexCmp_1 = this.index_.getCompare();\r\n            cmp = function (a, b) { return indexCmp_1(b, a); };\r\n        }\r\n        else {\r\n            cmp = this.index_.getCompare();\r\n        }\r\n        var oldEventCache = snap;\r\n        util.assert(oldEventCache.numChildren() === this.limit_, '');\r\n        var newChildNamedNode = new NamedNode(childKey, childSnap);\r\n        var windowBoundary = this.reverse_\r\n            ? oldEventCache.getFirstChild(this.index_)\r\n            : oldEventCache.getLastChild(this.index_);\r\n        var inRange = this.rangedFilter_.matches(newChildNamedNode);\r\n        if (oldEventCache.hasChild(childKey)) {\r\n            var oldChildSnap = oldEventCache.getImmediateChild(childKey);\r\n            var nextChild = source.getChildAfterChild(this.index_, windowBoundary, this.reverse_);\r\n            while (nextChild != null &&\r\n                (nextChild.name === childKey || oldEventCache.hasChild(nextChild.name))) {\r\n                // There is a weird edge case where a node is updated as part of a merge in the write tree, but hasn't\r\n                // been applied to the limited filter yet. Ignore this next child which will be updated later in\r\n                // the limited filter...\r\n                nextChild = source.getChildAfterChild(this.index_, nextChild, this.reverse_);\r\n            }\r\n            var compareNext = nextChild == null ? 1 : cmp(nextChild, newChildNamedNode);\r\n            var remainsInWindow = inRange && !childSnap.isEmpty() && compareNext >= 0;\r\n            if (remainsInWindow) {\r\n                if (changeAccumulator != null) {\r\n                    changeAccumulator.trackChildChange(Change.childChangedChange(childKey, childSnap, oldChildSnap));\r\n                }\r\n                return oldEventCache.updateImmediateChild(childKey, childSnap);\r\n            }\r\n            else {\r\n                if (changeAccumulator != null) {\r\n                    changeAccumulator.trackChildChange(Change.childRemovedChange(childKey, oldChildSnap));\r\n                }\r\n                var newEventCache = oldEventCache.updateImmediateChild(childKey, ChildrenNode.EMPTY_NODE);\r\n                var nextChildInRange = nextChild != null && this.rangedFilter_.matches(nextChild);\r\n                if (nextChildInRange) {\r\n                    if (changeAccumulator != null) {\r\n                        changeAccumulator.trackChildChange(Change.childAddedChange(nextChild.name, nextChild.node));\r\n                    }\r\n                    return newEventCache.updateImmediateChild(nextChild.name, nextChild.node);\r\n                }\r\n                else {\r\n                    return newEventCache;\r\n                }\r\n            }\r\n        }\r\n        else if (childSnap.isEmpty()) {\r\n            // we're deleting a node, but it was not in the window, so ignore it\r\n            return snap;\r\n        }\r\n        else if (inRange) {\r\n            if (cmp(windowBoundary, newChildNamedNode) >= 0) {\r\n                if (changeAccumulator != null) {\r\n                    changeAccumulator.trackChildChange(Change.childRemovedChange(windowBoundary.name, windowBoundary.node));\r\n                    changeAccumulator.trackChildChange(Change.childAddedChange(childKey, childSnap));\r\n                }\r\n                return oldEventCache\r\n                    .updateImmediateChild(childKey, childSnap)\r\n                    .updateImmediateChild(windowBoundary.name, ChildrenNode.EMPTY_NODE);\r\n            }\r\n            else {\r\n                return snap;\r\n            }\r\n        }\r\n        else {\r\n            return snap;\r\n        }\r\n    };\r\n    return LimitedFilter;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * This class is an immutable-from-the-public-api struct containing a set of query parameters defining a\r\n * range to be returned for a particular location. It is assumed that validation of parameters is done at the\r\n * user-facing API level, so it is not done here.\r\n * @constructor\r\n */\r\nvar QueryParams = /** @class */ (function () {\r\n    function QueryParams() {\r\n        this.limitSet_ = false;\r\n        this.startSet_ = false;\r\n        this.startNameSet_ = false;\r\n        this.endSet_ = false;\r\n        this.endNameSet_ = false;\r\n        this.limit_ = 0;\r\n        this.viewFrom_ = '';\r\n        this.indexStartValue_ = null;\r\n        this.indexStartName_ = '';\r\n        this.indexEndValue_ = null;\r\n        this.indexEndName_ = '';\r\n        this.index_ = PRIORITY_INDEX;\r\n    }\r\n    /**\r\n     * @return {boolean}\r\n     */\r\n    QueryParams.prototype.hasStart = function () {\r\n        return this.startSet_;\r\n    };\r\n    /**\r\n     * @return {boolean} True if it would return from left.\r\n     */\r\n    QueryParams.prototype.isViewFromLeft = function () {\r\n        if (this.viewFrom_ === '') {\r\n            // limit(), rather than limitToFirst or limitToLast was called.\r\n            // This means that only one of startSet_ and endSet_ is true. Use them\r\n            // to calculate which side of the view to anchor to. If neither is set,\r\n            // anchor to the end.\r\n            return this.startSet_;\r\n        }\r\n        else {\r\n            return (this.viewFrom_ === QueryParams.WIRE_PROTOCOL_CONSTANTS_.VIEW_FROM_LEFT);\r\n        }\r\n    };\r\n    /**\r\n     * Only valid to call if hasStart() returns true\r\n     * @return {*}\r\n     */\r\n    QueryParams.prototype.getIndexStartValue = function () {\r\n        util.assert(this.startSet_, 'Only valid if start has been set');\r\n        return this.indexStartValue_;\r\n    };\r\n    /**\r\n     * Only valid to call if hasStart() returns true.\r\n     * Returns the starting key name for the range defined by these query parameters\r\n     * @return {!string}\r\n     */\r\n    QueryParams.prototype.getIndexStartName = function () {\r\n        util.assert(this.startSet_, 'Only valid if start has been set');\r\n        if (this.startNameSet_) {\r\n            return this.indexStartName_;\r\n        }\r\n        else {\r\n            return MIN_NAME;\r\n        }\r\n    };\r\n    /**\r\n     * @return {boolean}\r\n     */\r\n    QueryParams.prototype.hasEnd = function () {\r\n        return this.endSet_;\r\n    };\r\n    /**\r\n     * Only valid to call if hasEnd() returns true.\r\n     * @return {*}\r\n     */\r\n    QueryParams.prototype.getIndexEndValue = function () {\r\n        util.assert(this.endSet_, 'Only valid if end has been set');\r\n        return this.indexEndValue_;\r\n    };\r\n    /**\r\n     * Only valid to call if hasEnd() returns true.\r\n     * Returns the end key name for the range defined by these query parameters\r\n     * @return {!string}\r\n     */\r\n    QueryParams.prototype.getIndexEndName = function () {\r\n        util.assert(this.endSet_, 'Only valid if end has been set');\r\n        if (this.endNameSet_) {\r\n            return this.indexEndName_;\r\n        }\r\n        else {\r\n            return MAX_NAME;\r\n        }\r\n    };\r\n    /**\r\n     * @return {boolean}\r\n     */\r\n    QueryParams.prototype.hasLimit = function () {\r\n        return this.limitSet_;\r\n    };\r\n    /**\r\n     * @return {boolean} True if a limit has been set and it has been explicitly anchored\r\n     */\r\n    QueryParams.prototype.hasAnchoredLimit = function () {\r\n        return this.limitSet_ && this.viewFrom_ !== '';\r\n    };\r\n    /**\r\n     * Only valid to call if hasLimit() returns true\r\n     * @return {!number}\r\n     */\r\n    QueryParams.prototype.getLimit = function () {\r\n        util.assert(this.limitSet_, 'Only valid if limit has been set');\r\n        return this.limit_;\r\n    };\r\n    /**\r\n     * @return {!Index}\r\n     */\r\n    QueryParams.prototype.getIndex = function () {\r\n        return this.index_;\r\n    };\r\n    /**\r\n     * @return {!QueryParams}\r\n     * @private\r\n     */\r\n    QueryParams.prototype.copy_ = function () {\r\n        var copy = new QueryParams();\r\n        copy.limitSet_ = this.limitSet_;\r\n        copy.limit_ = this.limit_;\r\n        copy.startSet_ = this.startSet_;\r\n        copy.indexStartValue_ = this.indexStartValue_;\r\n        copy.startNameSet_ = this.startNameSet_;\r\n        copy.indexStartName_ = this.indexStartName_;\r\n        copy.endSet_ = this.endSet_;\r\n        copy.indexEndValue_ = this.indexEndValue_;\r\n        copy.endNameSet_ = this.endNameSet_;\r\n        copy.indexEndName_ = this.indexEndName_;\r\n        copy.index_ = this.index_;\r\n        copy.viewFrom_ = this.viewFrom_;\r\n        return copy;\r\n    };\r\n    /**\r\n     * @param {!number} newLimit\r\n     * @return {!QueryParams}\r\n     */\r\n    QueryParams.prototype.limit = function (newLimit) {\r\n        var newParams = this.copy_();\r\n        newParams.limitSet_ = true;\r\n        newParams.limit_ = newLimit;\r\n        newParams.viewFrom_ = '';\r\n        return newParams;\r\n    };\r\n    /**\r\n     * @param {!number} newLimit\r\n     * @return {!QueryParams}\r\n     */\r\n    QueryParams.prototype.limitToFirst = function (newLimit) {\r\n        var newParams = this.copy_();\r\n        newParams.limitSet_ = true;\r\n        newParams.limit_ = newLimit;\r\n        newParams.viewFrom_ = QueryParams.WIRE_PROTOCOL_CONSTANTS_.VIEW_FROM_LEFT;\r\n        return newParams;\r\n    };\r\n    /**\r\n     * @param {!number} newLimit\r\n     * @return {!QueryParams}\r\n     */\r\n    QueryParams.prototype.limitToLast = function (newLimit) {\r\n        var newParams = this.copy_();\r\n        newParams.limitSet_ = true;\r\n        newParams.limit_ = newLimit;\r\n        newParams.viewFrom_ = QueryParams.WIRE_PROTOCOL_CONSTANTS_.VIEW_FROM_RIGHT;\r\n        return newParams;\r\n    };\r\n    /**\r\n     * @param {*} indexValue\r\n     * @param {?string=} key\r\n     * @return {!QueryParams}\r\n     */\r\n    QueryParams.prototype.startAt = function (indexValue, key) {\r\n        var newParams = this.copy_();\r\n        newParams.startSet_ = true;\r\n        if (indexValue === undefined) {\r\n            indexValue = null;\r\n        }\r\n        newParams.indexStartValue_ = indexValue;\r\n        if (key != null) {\r\n            newParams.startNameSet_ = true;\r\n            newParams.indexStartName_ = key;\r\n        }\r\n        else {\r\n            newParams.startNameSet_ = false;\r\n            newParams.indexStartName_ = '';\r\n        }\r\n        return newParams;\r\n    };\r\n    /**\r\n     * @param {*} indexValue\r\n     * @param {?string=} key\r\n     * @return {!QueryParams}\r\n     */\r\n    QueryParams.prototype.endAt = function (indexValue, key) {\r\n        var newParams = this.copy_();\r\n        newParams.endSet_ = true;\r\n        if (indexValue === undefined) {\r\n            indexValue = null;\r\n        }\r\n        newParams.indexEndValue_ = indexValue;\r\n        if (key !== undefined) {\r\n            newParams.endNameSet_ = true;\r\n            newParams.indexEndName_ = key;\r\n        }\r\n        else {\r\n            newParams.endNameSet_ = false;\r\n            newParams.indexEndName_ = '';\r\n        }\r\n        return newParams;\r\n    };\r\n    /**\r\n     * @param {!Index} index\r\n     * @return {!QueryParams}\r\n     */\r\n    QueryParams.prototype.orderBy = function (index) {\r\n        var newParams = this.copy_();\r\n        newParams.index_ = index;\r\n        return newParams;\r\n    };\r\n    /**\r\n     * @return {!Object}\r\n     */\r\n    QueryParams.prototype.getQueryObject = function () {\r\n        var WIRE_PROTOCOL_CONSTANTS = QueryParams.WIRE_PROTOCOL_CONSTANTS_;\r\n        var obj = {};\r\n        if (this.startSet_) {\r\n            obj[WIRE_PROTOCOL_CONSTANTS.INDEX_START_VALUE] = this.indexStartValue_;\r\n            if (this.startNameSet_) {\r\n                obj[WIRE_PROTOCOL_CONSTANTS.INDEX_START_NAME] = this.indexStartName_;\r\n            }\r\n        }\r\n        if (this.endSet_) {\r\n            obj[WIRE_PROTOCOL_CONSTANTS.INDEX_END_VALUE] = this.indexEndValue_;\r\n            if (this.endNameSet_) {\r\n                obj[WIRE_PROTOCOL_CONSTANTS.INDEX_END_NAME] = this.indexEndName_;\r\n            }\r\n        }\r\n        if (this.limitSet_) {\r\n            obj[WIRE_PROTOCOL_CONSTANTS.LIMIT] = this.limit_;\r\n            var viewFrom = this.viewFrom_;\r\n            if (viewFrom === '') {\r\n                if (this.isViewFromLeft()) {\r\n                    viewFrom = WIRE_PROTOCOL_CONSTANTS.VIEW_FROM_LEFT;\r\n                }\r\n                else {\r\n                    viewFrom = WIRE_PROTOCOL_CONSTANTS.VIEW_FROM_RIGHT;\r\n                }\r\n            }\r\n            obj[WIRE_PROTOCOL_CONSTANTS.VIEW_FROM] = viewFrom;\r\n        }\r\n        // For now, priority index is the default, so we only specify if it's some other index\r\n        if (this.index_ !== PRIORITY_INDEX) {\r\n            obj[WIRE_PROTOCOL_CONSTANTS.INDEX] = this.index_.toString();\r\n        }\r\n        return obj;\r\n    };\r\n    /**\r\n     * @return {boolean}\r\n     */\r\n    QueryParams.prototype.loadsAllData = function () {\r\n        return !(this.startSet_ || this.endSet_ || this.limitSet_);\r\n    };\r\n    /**\r\n     * @return {boolean}\r\n     */\r\n    QueryParams.prototype.isDefault = function () {\r\n        return this.loadsAllData() && this.index_ === PRIORITY_INDEX;\r\n    };\r\n    /**\r\n     * @return {!NodeFilter}\r\n     */\r\n    QueryParams.prototype.getNodeFilter = function () {\r\n        if (this.loadsAllData()) {\r\n            return new IndexedFilter(this.getIndex());\r\n        }\r\n        else if (this.hasLimit()) {\r\n            return new LimitedFilter(this);\r\n        }\r\n        else {\r\n            return new RangedFilter(this);\r\n        }\r\n    };\r\n    /**\r\n     * Returns a set of REST query string parameters representing this query.\r\n     *\r\n     * @return {!Object.<string,*>} query string parameters\r\n     */\r\n    QueryParams.prototype.toRestQueryStringParameters = function () {\r\n        var REST_CONSTANTS = QueryParams.REST_QUERY_CONSTANTS_;\r\n        var qs = {};\r\n        if (this.isDefault()) {\r\n            return qs;\r\n        }\r\n        var orderBy;\r\n        if (this.index_ === PRIORITY_INDEX) {\r\n            orderBy = REST_CONSTANTS.PRIORITY_INDEX;\r\n        }\r\n        else if (this.index_ === VALUE_INDEX) {\r\n            orderBy = REST_CONSTANTS.VALUE_INDEX;\r\n        }\r\n        else if (this.index_ === KEY_INDEX) {\r\n            orderBy = REST_CONSTANTS.KEY_INDEX;\r\n        }\r\n        else {\r\n            util.assert(this.index_ instanceof PathIndex, 'Unrecognized index type!');\r\n            orderBy = this.index_.toString();\r\n        }\r\n        qs[REST_CONSTANTS.ORDER_BY] = util.stringify(orderBy);\r\n        if (this.startSet_) {\r\n            qs[REST_CONSTANTS.START_AT] = util.stringify(this.indexStartValue_);\r\n            if (this.startNameSet_) {\r\n                qs[REST_CONSTANTS.START_AT] += ',' + util.stringify(this.indexStartName_);\r\n            }\r\n        }\r\n        if (this.endSet_) {\r\n            qs[REST_CONSTANTS.END_AT] = util.stringify(this.indexEndValue_);\r\n            if (this.endNameSet_) {\r\n                qs[REST_CONSTANTS.END_AT] += ',' + util.stringify(this.indexEndName_);\r\n            }\r\n        }\r\n        if (this.limitSet_) {\r\n            if (this.isViewFromLeft()) {\r\n                qs[REST_CONSTANTS.LIMIT_TO_FIRST] = this.limit_;\r\n            }\r\n            else {\r\n                qs[REST_CONSTANTS.LIMIT_TO_LAST] = this.limit_;\r\n            }\r\n        }\r\n        return qs;\r\n    };\r\n    /**\r\n     * Wire Protocol Constants\r\n     * @const\r\n     * @enum {string}\r\n     * @private\r\n     */\r\n    QueryParams.WIRE_PROTOCOL_CONSTANTS_ = {\r\n        INDEX_START_VALUE: 'sp',\r\n        INDEX_START_NAME: 'sn',\r\n        INDEX_END_VALUE: 'ep',\r\n        INDEX_END_NAME: 'en',\r\n        LIMIT: 'l',\r\n        VIEW_FROM: 'vf',\r\n        VIEW_FROM_LEFT: 'l',\r\n        VIEW_FROM_RIGHT: 'r',\r\n        INDEX: 'i'\r\n    };\r\n    /**\r\n     * REST Query Constants\r\n     * @const\r\n     * @enum {string}\r\n     * @private\r\n     */\r\n    QueryParams.REST_QUERY_CONSTANTS_ = {\r\n        ORDER_BY: 'orderBy',\r\n        PRIORITY_INDEX: '$priority',\r\n        VALUE_INDEX: '$value',\r\n        KEY_INDEX: '$key',\r\n        START_AT: 'startAt',\r\n        END_AT: 'endAt',\r\n        LIMIT_TO_FIRST: 'limitToFirst',\r\n        LIMIT_TO_LAST: 'limitToLast'\r\n    };\r\n    /**\r\n     * Default, empty query parameters\r\n     * @type {!QueryParams}\r\n     * @const\r\n     */\r\n    QueryParams.DEFAULT = new QueryParams();\r\n    return QueryParams;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nvar Reference = /** @class */ (function (_super) {\r\n    tslib.__extends(Reference, _super);\r\n    /**\r\n     * Call options:\r\n     *   new Reference(Repo, Path) or\r\n     *   new Reference(url: string, string|RepoManager)\r\n     *\r\n     * Externally - this is the firebase.database.Reference type.\r\n     *\r\n     * @param {!Repo} repo\r\n     * @param {(!Path)} path\r\n     * @extends {Query}\r\n     */\r\n    function Reference(repo, path) {\r\n        var _this = this;\r\n        if (!(repo instanceof Repo)) {\r\n            throw new Error('new Reference() no longer supported - use app.database().');\r\n        }\r\n        // call Query's constructor, passing in the repo and path.\r\n        _this = _super.call(this, repo, path, QueryParams.DEFAULT, false) || this;\r\n        return _this;\r\n    }\r\n    /** @return {?string} */\r\n    Reference.prototype.getKey = function () {\r\n        util.validateArgCount('Reference.key', 0, 0, arguments.length);\r\n        if (this.path.isEmpty()) {\r\n            return null;\r\n        }\r\n        else {\r\n            return this.path.getBack();\r\n        }\r\n    };\r\n    /**\r\n     * @param {!(string|Path)} pathString\r\n     * @return {!Reference}\r\n     */\r\n    Reference.prototype.child = function (pathString) {\r\n        util.validateArgCount('Reference.child', 1, 1, arguments.length);\r\n        if (typeof pathString === 'number') {\r\n            pathString = String(pathString);\r\n        }\r\n        else if (!(pathString instanceof Path)) {\r\n            if (this.path.getFront() === null) {\r\n                validateRootPathString('Reference.child', 1, pathString, false);\r\n            }\r\n            else {\r\n                validatePathString('Reference.child', 1, pathString, false);\r\n            }\r\n        }\r\n        return new Reference(this.repo, this.path.child(pathString));\r\n    };\r\n    /** @return {?Reference} */\r\n    Reference.prototype.getParent = function () {\r\n        util.validateArgCount('Reference.parent', 0, 0, arguments.length);\r\n        var parentPath = this.path.parent();\r\n        return parentPath === null ? null : new Reference(this.repo, parentPath);\r\n    };\r\n    /** @return {!Reference} */\r\n    Reference.prototype.getRoot = function () {\r\n        util.validateArgCount('Reference.root', 0, 0, arguments.length);\r\n        var ref = this;\r\n        while (ref.getParent() !== null) {\r\n            ref = ref.getParent();\r\n        }\r\n        return ref;\r\n    };\r\n    /** @return {!Database} */\r\n    Reference.prototype.databaseProp = function () {\r\n        return this.repo.database;\r\n    };\r\n    /**\r\n     * @param {*} newVal\r\n     * @param {function(?Error)=} onComplete\r\n     * @return {!Promise}\r\n     */\r\n    Reference.prototype.set = function (newVal, onComplete) {\r\n        util.validateArgCount('Reference.set', 1, 2, arguments.length);\r\n        validateWritablePath('Reference.set', this.path);\r\n        validateFirebaseDataArg('Reference.set', 1, newVal, this.path, false);\r\n        util.validateCallback('Reference.set', 2, onComplete, true);\r\n        var deferred = new util.Deferred();\r\n        this.repo.setWithPriority(this.path, newVal, \r\n        /*priority=*/ null, deferred.wrapCallback(onComplete));\r\n        return deferred.promise;\r\n    };\r\n    /**\r\n     * @param {!Object} objectToMerge\r\n     * @param {function(?Error)=} onComplete\r\n     * @return {!Promise}\r\n     */\r\n    Reference.prototype.update = function (objectToMerge, onComplete) {\r\n        util.validateArgCount('Reference.update', 1, 2, arguments.length);\r\n        validateWritablePath('Reference.update', this.path);\r\n        if (Array.isArray(objectToMerge)) {\r\n            var newObjectToMerge = {};\r\n            for (var i = 0; i < objectToMerge.length; ++i) {\r\n                newObjectToMerge['' + i] = objectToMerge[i];\r\n            }\r\n            objectToMerge = newObjectToMerge;\r\n            warn('Passing an Array to Firebase.update() is deprecated. ' +\r\n                'Use set() if you want to overwrite the existing data, or ' +\r\n                'an Object with integer keys if you really do want to ' +\r\n                'only update some of the children.');\r\n        }\r\n        validateFirebaseMergeDataArg('Reference.update', 1, objectToMerge, this.path, false);\r\n        util.validateCallback('Reference.update', 2, onComplete, true);\r\n        var deferred = new util.Deferred();\r\n        this.repo.update(this.path, objectToMerge, deferred.wrapCallback(onComplete));\r\n        return deferred.promise;\r\n    };\r\n    /**\r\n     * @param {*} newVal\r\n     * @param {string|number|null} newPriority\r\n     * @param {function(?Error)=} onComplete\r\n     * @return {!Promise}\r\n     */\r\n    Reference.prototype.setWithPriority = function (newVal, newPriority, onComplete) {\r\n        util.validateArgCount('Reference.setWithPriority', 2, 3, arguments.length);\r\n        validateWritablePath('Reference.setWithPriority', this.path);\r\n        validateFirebaseDataArg('Reference.setWithPriority', 1, newVal, this.path, false);\r\n        validatePriority('Reference.setWithPriority', 2, newPriority, false);\r\n        util.validateCallback('Reference.setWithPriority', 3, onComplete, true);\r\n        if (this.getKey() === '.length' || this.getKey() === '.keys') {\r\n            throw ('Reference.setWithPriority failed: ' +\r\n                this.getKey() +\r\n                ' is a read-only object.');\r\n        }\r\n        var deferred = new util.Deferred();\r\n        this.repo.setWithPriority(this.path, newVal, newPriority, deferred.wrapCallback(onComplete));\r\n        return deferred.promise;\r\n    };\r\n    /**\r\n     * @param {function(?Error)=} onComplete\r\n     * @return {!Promise}\r\n     */\r\n    Reference.prototype.remove = function (onComplete) {\r\n        util.validateArgCount('Reference.remove', 0, 1, arguments.length);\r\n        validateWritablePath('Reference.remove', this.path);\r\n        util.validateCallback('Reference.remove', 1, onComplete, true);\r\n        return this.set(null, onComplete);\r\n    };\r\n    /**\r\n     * @param {function(*):*} transactionUpdate\r\n     * @param {(function(?Error, boolean, ?DataSnapshot))=} onComplete\r\n     * @param {boolean=} applyLocally\r\n     * @return {!Promise}\r\n     */\r\n    Reference.prototype.transaction = function (transactionUpdate, onComplete, applyLocally) {\r\n        util.validateArgCount('Reference.transaction', 1, 3, arguments.length);\r\n        validateWritablePath('Reference.transaction', this.path);\r\n        util.validateCallback('Reference.transaction', 1, transactionUpdate, false);\r\n        util.validateCallback('Reference.transaction', 2, onComplete, true);\r\n        // NOTE: applyLocally is an internal-only option for now.  We need to decide if we want to keep it and how\r\n        // to expose it.\r\n        validateBoolean('Reference.transaction', 3, applyLocally, true);\r\n        if (this.getKey() === '.length' || this.getKey() === '.keys') {\r\n            throw ('Reference.transaction failed: ' +\r\n                this.getKey() +\r\n                ' is a read-only object.');\r\n        }\r\n        if (applyLocally === undefined) {\r\n            applyLocally = true;\r\n        }\r\n        var deferred = new util.Deferred();\r\n        if (typeof onComplete === 'function') {\r\n            deferred.promise.catch(function () { });\r\n        }\r\n        var promiseComplete = function (error, committed, snapshot) {\r\n            if (error) {\r\n                deferred.reject(error);\r\n            }\r\n            else {\r\n                deferred.resolve(new TransactionResult(committed, snapshot));\r\n            }\r\n            if (typeof onComplete === 'function') {\r\n                onComplete(error, committed, snapshot);\r\n            }\r\n        };\r\n        this.repo.startTransaction(this.path, transactionUpdate, promiseComplete, applyLocally);\r\n        return deferred.promise;\r\n    };\r\n    /**\r\n     * @param {string|number|null} priority\r\n     * @param {function(?Error)=} onComplete\r\n     * @return {!Promise}\r\n     */\r\n    Reference.prototype.setPriority = function (priority, onComplete) {\r\n        util.validateArgCount('Reference.setPriority', 1, 2, arguments.length);\r\n        validateWritablePath('Reference.setPriority', this.path);\r\n        validatePriority('Reference.setPriority', 1, priority, false);\r\n        util.validateCallback('Reference.setPriority', 2, onComplete, true);\r\n        var deferred = new util.Deferred();\r\n        this.repo.setWithPriority(this.path.child('.priority'), priority, null, deferred.wrapCallback(onComplete));\r\n        return deferred.promise;\r\n    };\r\n    /**\r\n     * @param {*=} value\r\n     * @param {function(?Error)=} onComplete\r\n     * @return {!Reference}\r\n     */\r\n    Reference.prototype.push = function (value, onComplete) {\r\n        util.validateArgCount('Reference.push', 0, 2, arguments.length);\r\n        validateWritablePath('Reference.push', this.path);\r\n        validateFirebaseDataArg('Reference.push', 1, value, this.path, true);\r\n        util.validateCallback('Reference.push', 2, onComplete, true);\r\n        var now = this.repo.serverTime();\r\n        var name = nextPushId(now);\r\n        // push() returns a ThennableReference whose promise is fulfilled with a regular Reference.\r\n        // We use child() to create handles to two different references. The first is turned into a\r\n        // ThennableReference below by adding then() and catch() methods and is used as the\r\n        // return value of push(). The second remains a regular Reference and is used as the fulfilled\r\n        // value of the first ThennableReference.\r\n        var thennablePushRef = this.child(name);\r\n        var pushRef = this.child(name);\r\n        var promise;\r\n        if (value != null) {\r\n            promise = thennablePushRef.set(value, onComplete).then(function () { return pushRef; });\r\n        }\r\n        else {\r\n            promise = Promise.resolve(pushRef);\r\n        }\r\n        thennablePushRef.then = promise.then.bind(promise);\r\n        thennablePushRef.catch = promise.then.bind(promise, undefined);\r\n        if (typeof onComplete === 'function') {\r\n            promise.catch(function () { });\r\n        }\r\n        return thennablePushRef;\r\n    };\r\n    /**\r\n     * @return {!OnDisconnect}\r\n     */\r\n    Reference.prototype.onDisconnect = function () {\r\n        validateWritablePath('Reference.onDisconnect', this.path);\r\n        return new OnDisconnect(this.repo, this.path);\r\n    };\r\n    Object.defineProperty(Reference.prototype, \"database\", {\r\n        get: function () {\r\n            return this.databaseProp();\r\n        },\r\n        enumerable: false,\r\n        configurable: true\r\n    });\r\n    Object.defineProperty(Reference.prototype, \"key\", {\r\n        get: function () {\r\n            return this.getKey();\r\n        },\r\n        enumerable: false,\r\n        configurable: true\r\n    });\r\n    Object.defineProperty(Reference.prototype, \"parent\", {\r\n        get: function () {\r\n            return this.getParent();\r\n        },\r\n        enumerable: false,\r\n        configurable: true\r\n    });\r\n    Object.defineProperty(Reference.prototype, \"root\", {\r\n        get: function () {\r\n            return this.getRoot();\r\n        },\r\n        enumerable: false,\r\n        configurable: true\r\n    });\r\n    return Reference;\r\n}(Query));\r\n/**\r\n * Define reference constructor in various modules\r\n *\r\n * We are doing this here to avoid several circular\r\n * dependency issues\r\n */\r\nQuery.__referenceConstructor = Reference;\r\nSyncPoint.__referenceConstructor = Reference;\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * Node in a Tree.\r\n */\r\nvar TreeNode = /** @class */ (function () {\r\n    function TreeNode() {\r\n        // TODO: Consider making accessors that create children and value lazily or\r\n        // separate Internal / Leaf 'types'.\r\n        this.children = {};\r\n        this.childCount = 0;\r\n        this.value = null;\r\n    }\r\n    return TreeNode;\r\n}());\r\n/**\r\n * A light-weight tree, traversable by path.  Nodes can have both values and children.\r\n * Nodes are not enumerated (by forEachChild) unless they have a value or non-empty\r\n * children.\r\n */\r\nvar Tree = /** @class */ (function () {\r\n    /**\r\n     * @template T\r\n     * @param {string=} name_ Optional name of the node.\r\n     * @param {Tree=} parent_ Optional parent node.\r\n     * @param {TreeNode=} node_ Optional node to wrap.\r\n     */\r\n    function Tree(name_, parent_, node_) {\r\n        if (name_ === void 0) { name_ = ''; }\r\n        if (parent_ === void 0) { parent_ = null; }\r\n        if (node_ === void 0) { node_ = new TreeNode(); }\r\n        this.name_ = name_;\r\n        this.parent_ = parent_;\r\n        this.node_ = node_;\r\n    }\r\n    /**\r\n     * Returns a sub-Tree for the given path.\r\n     *\r\n     * @param {!(string|Path)} pathObj Path to look up.\r\n     * @return {!Tree.<T>} Tree for path.\r\n     */\r\n    Tree.prototype.subTree = function (pathObj) {\r\n        // TODO: Require pathObj to be Path?\r\n        var path = pathObj instanceof Path ? pathObj : new Path(pathObj);\r\n        var child = this, next = path.getFront();\r\n        while (next !== null) {\r\n            var childNode = util.safeGet(child.node_.children, next) || new TreeNode();\r\n            child = new Tree(next, child, childNode);\r\n            path = path.popFront();\r\n            next = path.getFront();\r\n        }\r\n        return child;\r\n    };\r\n    /**\r\n     * Returns the data associated with this tree node.\r\n     *\r\n     * @return {?T} The data or null if no data exists.\r\n     */\r\n    Tree.prototype.getValue = function () {\r\n        return this.node_.value;\r\n    };\r\n    /**\r\n     * Sets data to this tree node.\r\n     *\r\n     * @param {!T} value Value to set.\r\n     */\r\n    Tree.prototype.setValue = function (value) {\r\n        util.assert(typeof value !== 'undefined', 'Cannot set value to undefined');\r\n        this.node_.value = value;\r\n        this.updateParents_();\r\n    };\r\n    /**\r\n     * Clears the contents of the tree node (its value and all children).\r\n     */\r\n    Tree.prototype.clear = function () {\r\n        this.node_.value = null;\r\n        this.node_.children = {};\r\n        this.node_.childCount = 0;\r\n        this.updateParents_();\r\n    };\r\n    /**\r\n     * @return {boolean} Whether the tree has any children.\r\n     */\r\n    Tree.prototype.hasChildren = function () {\r\n        return this.node_.childCount > 0;\r\n    };\r\n    /**\r\n     * @return {boolean} Whether the tree is empty (no value or children).\r\n     */\r\n    Tree.prototype.isEmpty = function () {\r\n        return this.getValue() === null && !this.hasChildren();\r\n    };\r\n    /**\r\n     * Calls action for each child of this tree node.\r\n     *\r\n     * @param {function(!Tree.<T>)} action Action to be called for each child.\r\n     */\r\n    Tree.prototype.forEachChild = function (action) {\r\n        var _this = this;\r\n        each(this.node_.children, function (child, childTree) {\r\n            action(new Tree(child, _this, childTree));\r\n        });\r\n    };\r\n    /**\r\n     * Does a depth-first traversal of this node's descendants, calling action for each one.\r\n     *\r\n     * @param {function(!Tree.<T>)} action Action to be called for each child.\r\n     * @param {boolean=} includeSelf Whether to call action on this node as well. Defaults to\r\n     *   false.\r\n     * @param {boolean=} childrenFirst Whether to call action on children before calling it on\r\n     *   parent.\r\n     */\r\n    Tree.prototype.forEachDescendant = function (action, includeSelf, childrenFirst) {\r\n        if (includeSelf && !childrenFirst) {\r\n            action(this);\r\n        }\r\n        this.forEachChild(function (child) {\r\n            child.forEachDescendant(action, /*includeSelf=*/ true, childrenFirst);\r\n        });\r\n        if (includeSelf && childrenFirst) {\r\n            action(this);\r\n        }\r\n    };\r\n    /**\r\n     * Calls action on each ancestor node.\r\n     *\r\n     * @param {function(!Tree.<T>)} action Action to be called on each parent; return\r\n     *   true to abort.\r\n     * @param {boolean=} includeSelf Whether to call action on this node as well.\r\n     * @return {boolean} true if the action callback returned true.\r\n     */\r\n    Tree.prototype.forEachAncestor = function (action, includeSelf) {\r\n        var node = includeSelf ? this : this.parent();\r\n        while (node !== null) {\r\n            if (action(node)) {\r\n                return true;\r\n            }\r\n            node = node.parent();\r\n        }\r\n        return false;\r\n    };\r\n    /**\r\n     * Does a depth-first traversal of this node's descendants.  When a descendant with a value\r\n     * is found, action is called on it and traversal does not continue inside the node.\r\n     * Action is *not* called on this node.\r\n     *\r\n     * @param {function(!Tree.<T>)} action Action to be called for each child.\r\n     */\r\n    Tree.prototype.forEachImmediateDescendantWithValue = function (action) {\r\n        this.forEachChild(function (child) {\r\n            if (child.getValue() !== null) {\r\n                action(child);\r\n            }\r\n            else {\r\n                child.forEachImmediateDescendantWithValue(action);\r\n            }\r\n        });\r\n    };\r\n    /**\r\n     * @return {!Path} The path of this tree node, as a Path.\r\n     */\r\n    Tree.prototype.path = function () {\r\n        return new Path(this.parent_ === null\r\n            ? this.name_\r\n            : this.parent_.path() + '/' + this.name_);\r\n    };\r\n    /**\r\n     * @return {string} The name of the tree node.\r\n     */\r\n    Tree.prototype.name = function () {\r\n        return this.name_;\r\n    };\r\n    /**\r\n     * @return {?Tree} The parent tree node, or null if this is the root of the tree.\r\n     */\r\n    Tree.prototype.parent = function () {\r\n        return this.parent_;\r\n    };\r\n    /**\r\n     * Adds or removes this child from its parent based on whether it's empty or not.\r\n     *\r\n     * @private\r\n     */\r\n    Tree.prototype.updateParents_ = function () {\r\n        if (this.parent_ !== null) {\r\n            this.parent_.updateChild_(this.name_, this);\r\n        }\r\n    };\r\n    /**\r\n     * Adds or removes the passed child to this tree node, depending on whether it's empty.\r\n     *\r\n     * @param {string} childName The name of the child to update.\r\n     * @param {!Tree.<T>} child The child to update.\r\n     * @private\r\n     */\r\n    Tree.prototype.updateChild_ = function (childName, child) {\r\n        var childEmpty = child.isEmpty();\r\n        var childExists = util.contains(this.node_.children, childName);\r\n        if (childEmpty && childExists) {\r\n            delete this.node_.children[childName];\r\n            this.node_.childCount--;\r\n            this.updateParents_();\r\n        }\r\n        else if (!childEmpty && !childExists) {\r\n            this.node_.children[childName] = child.node_;\r\n            this.node_.childCount++;\r\n            this.updateParents_();\r\n        }\r\n    };\r\n    return Tree;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n// TODO: This is pretty messy.  Ideally, a lot of this would move into FirebaseData, or a transaction-specific\r\n// component used by FirebaseData, but it has ties to user callbacks (transaction update and onComplete) as well\r\n// as the realtime connection (to send transactions to the server).  So that all needs to be decoupled first.\r\n// For now it's part of Repo, but in its own file.\r\n/**\r\n * @enum {number}\r\n */\r\nvar TransactionStatus;\r\n(function (TransactionStatus) {\r\n    // We've run the transaction and updated transactionResultData_ with the result, but it isn't currently sent to the\r\n    // server. A transaction will go from RUN -> SENT -> RUN if it comes back from the server as rejected due to\r\n    // mismatched hash.\r\n    TransactionStatus[TransactionStatus[\"RUN\"] = 0] = \"RUN\";\r\n    // We've run the transaction and sent it to the server and it's currently outstanding (hasn't come back as accepted\r\n    // or rejected yet).\r\n    TransactionStatus[TransactionStatus[\"SENT\"] = 1] = \"SENT\";\r\n    // Temporary state used to mark completed transactions (whether successful or aborted).  The transaction will be\r\n    // removed when we get a chance to prune completed ones.\r\n    TransactionStatus[TransactionStatus[\"COMPLETED\"] = 2] = \"COMPLETED\";\r\n    // Used when an already-sent transaction needs to be aborted (e.g. due to a conflicting set() call that was made).\r\n    // If it comes back as unsuccessful, we'll abort it.\r\n    TransactionStatus[TransactionStatus[\"SENT_NEEDS_ABORT\"] = 3] = \"SENT_NEEDS_ABORT\";\r\n    // Temporary state used to mark transactions that need to be aborted.\r\n    TransactionStatus[TransactionStatus[\"NEEDS_ABORT\"] = 4] = \"NEEDS_ABORT\";\r\n})(TransactionStatus || (TransactionStatus = {}));\r\n/**\r\n * If a transaction does not succeed after 25 retries, we abort it.  Among other things this ensure that if there's\r\n * ever a bug causing a mismatch between client / server hashes for some data, we won't retry indefinitely.\r\n * @type {number}\r\n * @const\r\n * @private\r\n */\r\n// eslint-disable-next-line @typescript-eslint/no-explicit-any\r\nRepo.MAX_TRANSACTION_RETRIES_ = 25;\r\n/**\r\n * Setup the transaction data structures\r\n * @private\r\n */\r\n// eslint-disable-next-line @typescript-eslint/no-explicit-any\r\nRepo.prototype.transactionsInit_ = function () {\r\n    /**\r\n     * Stores queues of outstanding transactions for Firebase locations.\r\n     *\r\n     * @type {!Tree.<Array.<!Transaction>>}\r\n     * @private\r\n     */\r\n    this.transactionQueueTree_ = new Tree();\r\n};\r\n/**\r\n * Creates a new transaction, adds it to the transactions we're tracking, and sends it to the server if possible.\r\n *\r\n * @param {!Path} path Path at which to do transaction.\r\n * @param {function(*):*} transactionUpdate Update callback.\r\n * @param {?function(?Error, boolean, ?DataSnapshot)} onComplete Completion callback.\r\n * @param {boolean} applyLocally Whether or not to make intermediate results visible\r\n */\r\nRepo.prototype.startTransaction = function (path, transactionUpdate, onComplete, applyLocally) {\r\n    this.log_('transaction on ' + path);\r\n    // Add a watch to make sure we get server updates.\r\n    var valueCallback = function () { };\r\n    var watchRef = new Reference(this, path);\r\n    watchRef.on('value', valueCallback);\r\n    var unwatcher = function () {\r\n        watchRef.off('value', valueCallback);\r\n    };\r\n    // Initialize transaction.\r\n    var transaction = {\r\n        path: path,\r\n        update: transactionUpdate,\r\n        onComplete: onComplete,\r\n        // One of TransactionStatus enums.\r\n        status: null,\r\n        // Used when combining transactions at different locations to figure out which one goes first.\r\n        order: LUIDGenerator(),\r\n        // Whether to raise local events for this transaction.\r\n        applyLocally: applyLocally,\r\n        // Count of how many times we've retried the transaction.\r\n        retryCount: 0,\r\n        // Function to call to clean up our .on() listener.\r\n        unwatcher: unwatcher,\r\n        // Stores why a transaction was aborted.\r\n        abortReason: null,\r\n        currentWriteId: null,\r\n        currentInputSnapshot: null,\r\n        currentOutputSnapshotRaw: null,\r\n        currentOutputSnapshotResolved: null\r\n    };\r\n    // Run transaction initially.\r\n    var currentState = this.getLatestState_(path);\r\n    transaction.currentInputSnapshot = currentState;\r\n    var newVal = transaction.update(currentState.val());\r\n    if (newVal === undefined) {\r\n        // Abort transaction.\r\n        transaction.unwatcher();\r\n        transaction.currentOutputSnapshotRaw = null;\r\n        transaction.currentOutputSnapshotResolved = null;\r\n        if (transaction.onComplete) {\r\n            // We just set the input snapshot, so this cast should be safe\r\n            var snapshot = new DataSnapshot(transaction.currentInputSnapshot, new Reference(this, transaction.path), PRIORITY_INDEX);\r\n            transaction.onComplete(null, false, snapshot);\r\n        }\r\n    }\r\n    else {\r\n        validateFirebaseData('transaction failed: Data returned ', newVal, transaction.path);\r\n        // Mark as run and add to our queue.\r\n        transaction.status = TransactionStatus.RUN;\r\n        var queueNode = this.transactionQueueTree_.subTree(path);\r\n        var nodeQueue = queueNode.getValue() || [];\r\n        nodeQueue.push(transaction);\r\n        queueNode.setValue(nodeQueue);\r\n        // Update visibleData and raise events\r\n        // Note: We intentionally raise events after updating all of our transaction state, since the user could\r\n        // start new transactions from the event callbacks.\r\n        var priorityForNode = void 0;\r\n        if (typeof newVal === 'object' &&\r\n            newVal !== null &&\r\n            util.contains(newVal, '.priority')) {\r\n            // eslint-disable-next-line @typescript-eslint/no-explicit-any\r\n            priorityForNode = util.safeGet(newVal, '.priority');\r\n            util.assert(isValidPriority(priorityForNode), 'Invalid priority returned by transaction. ' +\r\n                'Priority must be a valid string, finite number, server value, or null.');\r\n        }\r\n        else {\r\n            var currentNode = this.serverSyncTree_.calcCompleteEventCache(path) ||\r\n                ChildrenNode.EMPTY_NODE;\r\n            priorityForNode = currentNode.getPriority().val();\r\n        }\r\n        priorityForNode /** @type {null|number|string} */ = priorityForNode;\r\n        var serverValues = this.generateServerValues();\r\n        var newNodeUnresolved = nodeFromJSON$1(newVal, priorityForNode);\r\n        var newNode = resolveDeferredValueSnapshot(newNodeUnresolved, currentState, serverValues);\r\n        transaction.currentOutputSnapshotRaw = newNodeUnresolved;\r\n        transaction.currentOutputSnapshotResolved = newNode;\r\n        transaction.currentWriteId = this.getNextWriteId_();\r\n        var events = this.serverSyncTree_.applyUserOverwrite(path, newNode, transaction.currentWriteId, transaction.applyLocally);\r\n        this.eventQueue_.raiseEventsForChangedPath(path, events);\r\n        this.sendReadyTransactions_();\r\n    }\r\n};\r\n/**\r\n * @param {!Path} path\r\n * @param {Array.<number>=} excludeSets A specific set to exclude\r\n * @return {Node}\r\n * @private\r\n */\r\n// eslint-disable-next-line @typescript-eslint/no-explicit-any\r\nRepo.prototype.getLatestState_ = function (path, excludeSets) {\r\n    return (this.serverSyncTree_.calcCompleteEventCache(path, excludeSets) ||\r\n        ChildrenNode.EMPTY_NODE);\r\n};\r\n/**\r\n * Sends any already-run transactions that aren't waiting for outstanding transactions to\r\n * complete.\r\n *\r\n * Externally it's called with no arguments, but it calls itself recursively with a particular\r\n * transactionQueueTree node to recurse through the tree.\r\n *\r\n * @param {Tree.<Array.<Transaction>>=} node  transactionQueueTree node to start at.\r\n * @private\r\n */\r\n// eslint-disable-next-line @typescript-eslint/no-explicit-any\r\nRepo.prototype.sendReadyTransactions_ = function (node) {\r\n    var _this = this;\r\n    if (node === void 0) { node = this.transactionQueueTree_; }\r\n    // Before recursing, make sure any completed transactions are removed.\r\n    if (!node) {\r\n        this.pruneCompletedTransactionsBelowNode_(node);\r\n    }\r\n    if (node.getValue() !== null) {\r\n        var queue = this.buildTransactionQueue_(node);\r\n        util.assert(queue.length > 0, 'Sending zero length transaction queue');\r\n        var allRun = queue.every(function (transaction) { return transaction.status === TransactionStatus.RUN; });\r\n        // If they're all run (and not sent), we can send them.  Else, we must wait.\r\n        if (allRun) {\r\n            this.sendTransactionQueue_(node.path(), queue);\r\n        }\r\n    }\r\n    else if (node.hasChildren()) {\r\n        node.forEachChild(function (childNode) {\r\n            _this.sendReadyTransactions_(childNode);\r\n        });\r\n    }\r\n};\r\n/**\r\n * Given a list of run transactions, send them to the server and then handle the result (success or failure).\r\n *\r\n * @param {!Path} path The location of the queue.\r\n * @param {!Array.<Transaction>} queue Queue of transactions under the specified location.\r\n * @private\r\n */\r\n// eslint-disable-next-line @typescript-eslint/no-explicit-any\r\nRepo.prototype.sendTransactionQueue_ = function (path, queue) {\r\n    var _this = this;\r\n    // Mark transactions as sent and increment retry count!\r\n    var setsToIgnore = queue.map(function (txn) {\r\n        return txn.currentWriteId;\r\n    });\r\n    var latestState = this.getLatestState_(path, setsToIgnore);\r\n    var snapToSend = latestState;\r\n    var latestHash = latestState.hash();\r\n    for (var i = 0; i < queue.length; i++) {\r\n        var txn = queue[i];\r\n        util.assert(txn.status === TransactionStatus.RUN, 'tryToSendTransactionQueue_: items in queue should all be run.');\r\n        txn.status = TransactionStatus.SENT;\r\n        txn.retryCount++;\r\n        var relativePath = Path.relativePath(path, txn.path);\r\n        // If we've gotten to this point, the output snapshot must be defined.\r\n        snapToSend = snapToSend.updateChild(relativePath /** @type {!Node} */, txn.currentOutputSnapshotRaw);\r\n    }\r\n    var dataToSend = snapToSend.val(true);\r\n    var pathToSend = path;\r\n    // Send the put.\r\n    this.server_.put(pathToSend.toString(), dataToSend, function (status) {\r\n        _this.log_('transaction put response', {\r\n            path: pathToSend.toString(),\r\n            status: status\r\n        });\r\n        var events = [];\r\n        if (status === 'ok') {\r\n            // Queue up the callbacks and fire them after cleaning up all of our transaction state, since\r\n            // the callback could trigger more transactions or sets.\r\n            var callbacks = [];\r\n            for (var i = 0; i < queue.length; i++) {\r\n                queue[i].status = TransactionStatus.COMPLETED;\r\n                events = events.concat(_this.serverSyncTree_.ackUserWrite(queue[i].currentWriteId));\r\n                if (queue[i].onComplete) {\r\n                    // We never unset the output snapshot, and given that this transaction is complete, it should be set\r\n                    var node = queue[i].currentOutputSnapshotResolved;\r\n                    var ref = new Reference(_this, queue[i].path);\r\n                    var snapshot = new DataSnapshot(node, ref, PRIORITY_INDEX);\r\n                    callbacks.push(queue[i].onComplete.bind(null, null, true, snapshot));\r\n                }\r\n                queue[i].unwatcher();\r\n            }\r\n            // Now remove the completed transactions.\r\n            _this.pruneCompletedTransactionsBelowNode_(_this.transactionQueueTree_.subTree(path));\r\n            // There may be pending transactions that we can now send.\r\n            _this.sendReadyTransactions_();\r\n            _this.eventQueue_.raiseEventsForChangedPath(path, events);\r\n            // Finally, trigger onComplete callbacks.\r\n            for (var i = 0; i < callbacks.length; i++) {\r\n                exceptionGuard(callbacks[i]);\r\n            }\r\n        }\r\n        else {\r\n            // transactions are no longer sent.  Update their status appropriately.\r\n            if (status === 'datastale') {\r\n                for (var i = 0; i < queue.length; i++) {\r\n                    if (queue[i].status === TransactionStatus.SENT_NEEDS_ABORT) {\r\n                        queue[i].status = TransactionStatus.NEEDS_ABORT;\r\n                    }\r\n                    else {\r\n                        queue[i].status = TransactionStatus.RUN;\r\n                    }\r\n                }\r\n            }\r\n            else {\r\n                warn('transaction at ' + pathToSend.toString() + ' failed: ' + status);\r\n                for (var i = 0; i < queue.length; i++) {\r\n                    queue[i].status = TransactionStatus.NEEDS_ABORT;\r\n                    queue[i].abortReason = status;\r\n                }\r\n            }\r\n            _this.rerunTransactions_(path);\r\n        }\r\n    }, latestHash);\r\n};\r\n/**\r\n * Finds all transactions dependent on the data at changedPath and reruns them.\r\n *\r\n * Should be called any time cached data changes.\r\n *\r\n * Return the highest path that was affected by rerunning transactions.  This is the path at which events need to\r\n * be raised for.\r\n *\r\n * @param {!Path} changedPath The path in mergedData that changed.\r\n * @return {!Path} The rootmost path that was affected by rerunning transactions.\r\n * @private\r\n */\r\n// eslint-disable-next-line @typescript-eslint/no-explicit-any\r\nRepo.prototype.rerunTransactions_ = function (changedPath) {\r\n    var rootMostTransactionNode = this.getAncestorTransactionNode_(changedPath);\r\n    var path = rootMostTransactionNode.path();\r\n    var queue = this.buildTransactionQueue_(rootMostTransactionNode);\r\n    this.rerunTransactionQueue_(queue, path);\r\n    return path;\r\n};\r\n/**\r\n * Does all the work of rerunning transactions (as well as cleans up aborted transactions and whatnot).\r\n *\r\n * @param {Array.<Transaction>} queue The queue of transactions to run.\r\n * @param {!Path} path The path the queue is for.\r\n * @private\r\n */\r\n// eslint-disable-next-line @typescript-eslint/no-explicit-any\r\nRepo.prototype.rerunTransactionQueue_ = function (queue, path) {\r\n    if (queue.length === 0) {\r\n        return; // Nothing to do!\r\n    }\r\n    // Queue up the callbacks and fire them after cleaning up all of our transaction state, since\r\n    // the callback could trigger more transactions or sets.\r\n    var callbacks = [];\r\n    var events = [];\r\n    // Ignore all of the sets we're going to re-run.\r\n    var txnsToRerun = queue.filter(function (q) {\r\n        return q.status === TransactionStatus.RUN;\r\n    });\r\n    var setsToIgnore = txnsToRerun.map(function (q) {\r\n        return q.currentWriteId;\r\n    });\r\n    for (var i = 0; i < queue.length; i++) {\r\n        var transaction = queue[i];\r\n        var relativePath = Path.relativePath(path, transaction.path);\r\n        var abortTransaction = false, abortReason = void 0;\r\n        util.assert(relativePath !== null, 'rerunTransactionsUnderNode_: relativePath should not be null.');\r\n        if (transaction.status === TransactionStatus.NEEDS_ABORT) {\r\n            abortTransaction = true;\r\n            abortReason = transaction.abortReason;\r\n            events = events.concat(this.serverSyncTree_.ackUserWrite(transaction.currentWriteId, true));\r\n        }\r\n        else if (transaction.status === TransactionStatus.RUN) {\r\n            // eslint-disable-next-line @typescript-eslint/no-explicit-any\r\n            if (transaction.retryCount >= Repo.MAX_TRANSACTION_RETRIES_) {\r\n                abortTransaction = true;\r\n                abortReason = 'maxretry';\r\n                events = events.concat(this.serverSyncTree_.ackUserWrite(transaction.currentWriteId, true));\r\n            }\r\n            else {\r\n                // This code reruns a transaction\r\n                var currentNode = this.getLatestState_(transaction.path, setsToIgnore);\r\n                transaction.currentInputSnapshot = currentNode;\r\n                var newData = queue[i].update(currentNode.val());\r\n                if (newData !== undefined) {\r\n                    validateFirebaseData('transaction failed: Data returned ', newData, transaction.path);\r\n                    var newDataNode = nodeFromJSON$1(newData);\r\n                    var hasExplicitPriority = typeof newData === 'object' &&\r\n                        newData != null &&\r\n                        util.contains(newData, '.priority');\r\n                    if (!hasExplicitPriority) {\r\n                        // Keep the old priority if there wasn't a priority explicitly specified.\r\n                        newDataNode = newDataNode.updatePriority(currentNode.getPriority());\r\n                    }\r\n                    var oldWriteId = transaction.currentWriteId;\r\n                    var serverValues = this.generateServerValues();\r\n                    var newNodeResolved = resolveDeferredValueSnapshot(newDataNode, currentNode, serverValues);\r\n                    transaction.currentOutputSnapshotRaw = newDataNode;\r\n                    transaction.currentOutputSnapshotResolved = newNodeResolved;\r\n                    transaction.currentWriteId = this.getNextWriteId_();\r\n                    // Mutates setsToIgnore in place\r\n                    setsToIgnore.splice(setsToIgnore.indexOf(oldWriteId), 1);\r\n                    events = events.concat(this.serverSyncTree_.applyUserOverwrite(transaction.path, newNodeResolved, transaction.currentWriteId, transaction.applyLocally));\r\n                    events = events.concat(this.serverSyncTree_.ackUserWrite(oldWriteId, true));\r\n                }\r\n                else {\r\n                    abortTransaction = true;\r\n                    abortReason = 'nodata';\r\n                    events = events.concat(this.serverSyncTree_.ackUserWrite(transaction.currentWriteId, true));\r\n                }\r\n            }\r\n        }\r\n        this.eventQueue_.raiseEventsForChangedPath(path, events);\r\n        events = [];\r\n        if (abortTransaction) {\r\n            // Abort.\r\n            queue[i].status = TransactionStatus.COMPLETED;\r\n            // Removing a listener can trigger pruning which can muck with mergedData/visibleData (as it prunes data).\r\n            // So defer the unwatcher until we're done.\r\n            (function (unwatcher) {\r\n                setTimeout(unwatcher, Math.floor(0));\r\n            })(queue[i].unwatcher);\r\n            if (queue[i].onComplete) {\r\n                if (abortReason === 'nodata') {\r\n                    var ref = new Reference(this, queue[i].path);\r\n                    // We set this field immediately, so it's safe to cast to an actual snapshot\r\n                    var lastInput /** @type {!Node} */ = queue[i].currentInputSnapshot;\r\n                    var snapshot = new DataSnapshot(lastInput, ref, PRIORITY_INDEX);\r\n                    callbacks.push(queue[i].onComplete.bind(null, null, false, snapshot));\r\n                }\r\n                else {\r\n                    callbacks.push(queue[i].onComplete.bind(null, new Error(abortReason), false, null));\r\n                }\r\n            }\r\n        }\r\n    }\r\n    // Clean up completed transactions.\r\n    this.pruneCompletedTransactionsBelowNode_(this.transactionQueueTree_);\r\n    // Now fire callbacks, now that we're in a good, known state.\r\n    for (var i = 0; i < callbacks.length; i++) {\r\n        exceptionGuard(callbacks[i]);\r\n    }\r\n    // Try to send the transaction result to the server.\r\n    this.sendReadyTransactions_();\r\n};\r\n/**\r\n * Returns the rootmost ancestor node of the specified path that has a pending transaction on it, or just returns\r\n * the node for the given path if there are no pending transactions on any ancestor.\r\n *\r\n * @param {!Path} path The location to start at.\r\n * @return {!Tree.<Array.<!Transaction>>} The rootmost node with a transaction.\r\n * @private\r\n */\r\n// eslint-disable-next-line @typescript-eslint/no-explicit-any\r\nRepo.prototype.getAncestorTransactionNode_ = function (path) {\r\n    var front;\r\n    // Start at the root and walk deeper into the tree towards path until we find a node with pending transactions.\r\n    var transactionNode = this.transactionQueueTree_;\r\n    front = path.getFront();\r\n    while (front !== null && transactionNode.getValue() === null) {\r\n        transactionNode = transactionNode.subTree(front);\r\n        path = path.popFront();\r\n        front = path.getFront();\r\n    }\r\n    return transactionNode;\r\n};\r\n/**\r\n * Builds the queue of all transactions at or below the specified transactionNode.\r\n *\r\n * @param {!Tree.<Array.<Transaction>>} transactionNode\r\n * @return {Array.<Transaction>} The generated queue.\r\n * @private\r\n */\r\n// eslint-disable-next-line @typescript-eslint/no-explicit-any\r\nRepo.prototype.buildTransactionQueue_ = function (transactionNode) {\r\n    // Walk any child transaction queues and aggregate them into a single queue.\r\n    var transactionQueue = [];\r\n    this.aggregateTransactionQueuesForNode_(transactionNode, transactionQueue);\r\n    // Sort them by the order the transactions were created.\r\n    transactionQueue.sort(function (a, b) {\r\n        return a.order - b.order;\r\n    });\r\n    return transactionQueue;\r\n};\r\n/**\r\n * @param {!Tree.<Array.<Transaction>>} node\r\n * @param {Array.<Transaction>} queue\r\n * @private\r\n */\r\n// eslint-disable-next-line @typescript-eslint/no-explicit-any\r\nRepo.prototype.aggregateTransactionQueuesForNode_ = function (node, queue) {\r\n    var _this = this;\r\n    var nodeQueue = node.getValue();\r\n    if (nodeQueue !== null) {\r\n        for (var i = 0; i < nodeQueue.length; i++) {\r\n            queue.push(nodeQueue[i]);\r\n        }\r\n    }\r\n    node.forEachChild(function (child) {\r\n        _this.aggregateTransactionQueuesForNode_(child, queue);\r\n    });\r\n};\r\n/**\r\n * Remove COMPLETED transactions at or below this node in the transactionQueueTree_.\r\n *\r\n * @param {!Tree.<Array.<!Transaction>>} node\r\n * @private\r\n */\r\n// eslint-disable-next-line @typescript-eslint/no-explicit-any\r\nRepo.prototype.pruneCompletedTransactionsBelowNode_ = function (node) {\r\n    var _this = this;\r\n    var queue = node.getValue();\r\n    if (queue) {\r\n        var to = 0;\r\n        for (var from = 0; from < queue.length; from++) {\r\n            if (queue[from].status !== TransactionStatus.COMPLETED) {\r\n                queue[to] = queue[from];\r\n                to++;\r\n            }\r\n        }\r\n        queue.length = to;\r\n        node.setValue(queue.length > 0 ? queue : null);\r\n    }\r\n    node.forEachChild(function (childNode) {\r\n        _this.pruneCompletedTransactionsBelowNode_(childNode);\r\n    });\r\n};\r\n/**\r\n * Aborts all transactions on ancestors or descendants of the specified path.  Called when doing a set() or update()\r\n * since we consider them incompatible with transactions.\r\n *\r\n * @param {!Path} path Path for which we want to abort related transactions.\r\n * @return {!Path}\r\n * @private\r\n */\r\n// eslint-disable-next-line @typescript-eslint/no-explicit-any\r\nRepo.prototype.abortTransactions_ = function (path) {\r\n    var _this = this;\r\n    var affectedPath = this.getAncestorTransactionNode_(path).path();\r\n    var transactionNode = this.transactionQueueTree_.subTree(path);\r\n    transactionNode.forEachAncestor(function (node) {\r\n        _this.abortTransactionsOnNode_(node);\r\n    });\r\n    this.abortTransactionsOnNode_(transactionNode);\r\n    transactionNode.forEachDescendant(function (node) {\r\n        _this.abortTransactionsOnNode_(node);\r\n    });\r\n    return affectedPath;\r\n};\r\n/**\r\n * Abort transactions stored in this transaction queue node.\r\n *\r\n * @param {!Tree.<Array.<Transaction>>} node Node to abort transactions for.\r\n * @private\r\n */\r\n// eslint-disable-next-line @typescript-eslint/no-explicit-any\r\nRepo.prototype.abortTransactionsOnNode_ = function (node) {\r\n    var queue = node.getValue();\r\n    if (queue !== null) {\r\n        // Queue up the callbacks and fire them after cleaning up all of our transaction state, since\r\n        // the callback could trigger more transactions or sets.\r\n        var callbacks = [];\r\n        // Go through queue.  Any already-sent transactions must be marked for abort, while the unsent ones\r\n        // can be immediately aborted and removed.\r\n        var events = [];\r\n        var lastSent = -1;\r\n        for (var i = 0; i < queue.length; i++) {\r\n            if (queue[i].status === TransactionStatus.SENT_NEEDS_ABORT) ;\r\n            else if (queue[i].status === TransactionStatus.SENT) {\r\n                util.assert(lastSent === i - 1, 'All SENT items should be at beginning of queue.');\r\n                lastSent = i;\r\n                // Mark transaction for abort when it comes back.\r\n                queue[i].status = TransactionStatus.SENT_NEEDS_ABORT;\r\n                queue[i].abortReason = 'set';\r\n            }\r\n            else {\r\n                util.assert(queue[i].status === TransactionStatus.RUN, 'Unexpected transaction status in abort');\r\n                // We can abort it immediately.\r\n                queue[i].unwatcher();\r\n                events = events.concat(this.serverSyncTree_.ackUserWrite(queue[i].currentWriteId, true));\r\n                if (queue[i].onComplete) {\r\n                    var snapshot = null;\r\n                    callbacks.push(queue[i].onComplete.bind(null, new Error('set'), false, snapshot));\r\n                }\r\n            }\r\n        }\r\n        if (lastSent === -1) {\r\n            // We're not waiting for any sent transactions.  We can clear the queue.\r\n            node.setValue(null);\r\n        }\r\n        else {\r\n            // Remove the transactions we aborted.\r\n            queue.length = lastSent + 1;\r\n        }\r\n        // Now fire the callbacks.\r\n        this.eventQueue_.raiseEventsForChangedPath(node.path(), events);\r\n        for (var i = 0; i < callbacks.length; i++) {\r\n            exceptionGuard(callbacks[i]);\r\n        }\r\n    }\r\n};\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * Abstraction around FirebaseApp's token fetching capabilities.\r\n */\r\nvar FirebaseAuthTokenProvider = /** @class */ (function () {\r\n    function FirebaseAuthTokenProvider(app_, authProvider_) {\r\n        var _this = this;\r\n        this.app_ = app_;\r\n        this.authProvider_ = authProvider_;\r\n        this.auth_ = null;\r\n        this.auth_ = authProvider_.getImmediate({ optional: true });\r\n        if (!this.auth_) {\r\n            authProvider_.get().then(function (auth) { return (_this.auth_ = auth); });\r\n        }\r\n    }\r\n    /**\r\n     * @param {boolean} forceRefresh\r\n     * @return {!Promise<FirebaseAuthTokenData>}\r\n     */\r\n    FirebaseAuthTokenProvider.prototype.getToken = function (forceRefresh) {\r\n        if (!this.auth_) {\r\n            return Promise.resolve(null);\r\n        }\r\n        return this.auth_.getToken(forceRefresh).catch(function (error) {\r\n            // TODO: Need to figure out all the cases this is raised and whether\r\n            // this makes sense.\r\n            if (error && error.code === 'auth/token-not-initialized') {\r\n                log('Got auth/token-not-initialized error.  Treating as null token.');\r\n                return null;\r\n            }\r\n            else {\r\n                return Promise.reject(error);\r\n            }\r\n        });\r\n    };\r\n    FirebaseAuthTokenProvider.prototype.addTokenChangeListener = function (listener) {\r\n        // TODO: We might want to wrap the listener and call it with no args to\r\n        // avoid a leaky abstraction, but that makes removing the listener harder.\r\n        if (this.auth_) {\r\n            this.auth_.addAuthTokenListener(listener);\r\n        }\r\n        else {\r\n            setTimeout(function () { return listener(null); }, 0);\r\n            this.authProvider_\r\n                .get()\r\n                .then(function (auth) { return auth.addAuthTokenListener(listener); });\r\n        }\r\n    };\r\n    FirebaseAuthTokenProvider.prototype.removeTokenChangeListener = function (listener) {\r\n        this.authProvider_\r\n            .get()\r\n            .then(function (auth) { return auth.removeAuthTokenListener(listener); });\r\n    };\r\n    FirebaseAuthTokenProvider.prototype.notifyForInvalidToken = function () {\r\n        var errorMessage = 'Provided authentication credentials for the app named \"' +\r\n            this.app_.name +\r\n            '\" are invalid. This usually indicates your app was not ' +\r\n            'initialized correctly. ';\r\n        if ('credential' in this.app_.options) {\r\n            errorMessage +=\r\n                'Make sure the \"credential\" property provided to initializeApp() ' +\r\n                    'is authorized to access the specified \"databaseURL\" and is from the correct ' +\r\n                    'project.';\r\n        }\r\n        else if ('serviceAccount' in this.app_.options) {\r\n            errorMessage +=\r\n                'Make sure the \"serviceAccount\" property provided to initializeApp() ' +\r\n                    'is authorized to access the specified \"databaseURL\" and is from the correct ' +\r\n                    'project.';\r\n        }\r\n        else {\r\n            errorMessage +=\r\n                'Make sure the \"apiKey\" and \"databaseURL\" properties provided to ' +\r\n                    'initializeApp() match the values provided for your app at ' +\r\n                    'https://console.firebase.google.com/.';\r\n        }\r\n        warn(errorMessage);\r\n    };\r\n    return FirebaseAuthTokenProvider;\r\n}());\r\n/* Auth token provider that the Admin SDK uses to connect to the Emulator. */\r\nvar EmulatorAdminTokenProvider = /** @class */ (function () {\r\n    function EmulatorAdminTokenProvider() {\r\n    }\r\n    EmulatorAdminTokenProvider.prototype.getToken = function (forceRefresh) {\r\n        return Promise.resolve({\r\n            accessToken: EmulatorAdminTokenProvider.EMULATOR_AUTH_TOKEN\r\n        });\r\n    };\r\n    EmulatorAdminTokenProvider.prototype.addTokenChangeListener = function (listener) {\r\n        // Invoke the listener immediately to match the behavior in Firebase Auth\r\n        // (see packages/auth/src/auth.js#L1807)\r\n        listener(EmulatorAdminTokenProvider.EMULATOR_AUTH_TOKEN);\r\n    };\r\n    EmulatorAdminTokenProvider.prototype.removeTokenChangeListener = function (listener) { };\r\n    EmulatorAdminTokenProvider.prototype.notifyForInvalidToken = function () { };\r\n    EmulatorAdminTokenProvider.EMULATOR_AUTH_TOKEN = 'owner';\r\n    return EmulatorAdminTokenProvider;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * This variable is also defined in the firebase node.js admin SDK. Before\r\n * modifying this definition, consult the definition in:\r\n *\r\n * https://github.com/firebase/firebase-admin-node\r\n *\r\n * and make sure the two are consistent.\r\n */\r\nvar FIREBASE_DATABASE_EMULATOR_HOST_VAR = 'FIREBASE_DATABASE_EMULATOR_HOST';\r\nvar _staticInstance;\r\n/**\r\n * Creates and caches Repo instances.\r\n */\r\nvar RepoManager = /** @class */ (function () {\r\n    function RepoManager() {\r\n        /**\r\n         * @private {!Object.<string, Object<string, !fb.core.Repo>>}\r\n         */\r\n        this.repos_ = {};\r\n        /**\r\n         * If true, new Repos will be created to use ReadonlyRestClient (for testing purposes).\r\n         * @private {boolean}\r\n         */\r\n        this.useRestClient_ = false;\r\n    }\r\n    RepoManager.getInstance = function () {\r\n        if (!_staticInstance) {\r\n            _staticInstance = new RepoManager();\r\n        }\r\n        return _staticInstance;\r\n    };\r\n    // TODO(koss): Remove these functions unless used in tests?\r\n    RepoManager.prototype.interrupt = function () {\r\n        var e_1, _a, e_2, _b;\r\n        try {\r\n            for (var _c = tslib.__values(Object.keys(this.repos_)), _d = _c.next(); !_d.done; _d = _c.next()) {\r\n                var appName = _d.value;\r\n                try {\r\n                    for (var _e = (e_2 = void 0, tslib.__values(Object.keys(this.repos_[appName]))), _f = _e.next(); !_f.done; _f = _e.next()) {\r\n                        var dbUrl = _f.value;\r\n                        this.repos_[appName][dbUrl].interrupt();\r\n                    }\r\n                }\r\n                catch (e_2_1) { e_2 = { error: e_2_1 }; }\r\n                finally {\r\n                    try {\r\n                        if (_f && !_f.done && (_b = _e.return)) _b.call(_e);\r\n                    }\r\n                    finally { if (e_2) throw e_2.error; }\r\n                }\r\n            }\r\n        }\r\n        catch (e_1_1) { e_1 = { error: e_1_1 }; }\r\n        finally {\r\n            try {\r\n                if (_d && !_d.done && (_a = _c.return)) _a.call(_c);\r\n            }\r\n            finally { if (e_1) throw e_1.error; }\r\n        }\r\n    };\r\n    RepoManager.prototype.resume = function () {\r\n        var e_3, _a, e_4, _b;\r\n        try {\r\n            for (var _c = tslib.__values(Object.keys(this.repos_)), _d = _c.next(); !_d.done; _d = _c.next()) {\r\n                var appName = _d.value;\r\n                try {\r\n                    for (var _e = (e_4 = void 0, tslib.__values(Object.keys(this.repos_[appName]))), _f = _e.next(); !_f.done; _f = _e.next()) {\r\n                        var dbUrl = _f.value;\r\n                        this.repos_[appName][dbUrl].resume();\r\n                    }\r\n                }\r\n                catch (e_4_1) { e_4 = { error: e_4_1 }; }\r\n                finally {\r\n                    try {\r\n                        if (_f && !_f.done && (_b = _e.return)) _b.call(_e);\r\n                    }\r\n                    finally { if (e_4) throw e_4.error; }\r\n                }\r\n            }\r\n        }\r\n        catch (e_3_1) { e_3 = { error: e_3_1 }; }\r\n        finally {\r\n            try {\r\n                if (_d && !_d.done && (_a = _c.return)) _a.call(_c);\r\n            }\r\n            finally { if (e_3) throw e_3.error; }\r\n        }\r\n    };\r\n    /**\r\n     * This function should only ever be called to CREATE a new database instance.\r\n     *\r\n     * @param {!FirebaseApp} app\r\n     * @return {!Database}\r\n     */\r\n    RepoManager.prototype.databaseFromApp = function (app, authProvider, url, nodeAdmin) {\r\n        var dbUrl = url || app.options.databaseURL;\r\n        if (dbUrl === undefined) {\r\n            if (!app.options.projectId) {\r\n                fatal(\"Can't determine Firebase Database URL. Be sure to include \" +\r\n                    ' a Project ID when calling firebase.initializeApp().');\r\n            }\r\n            log('Using default host for project ', app.options.projectId);\r\n            dbUrl = app.options.projectId + \"-default-rtdb.firebaseio.com\";\r\n        }\r\n        var parsedUrl = parseRepoInfo(dbUrl, nodeAdmin);\r\n        var repoInfo = parsedUrl.repoInfo;\r\n        var isEmulator;\r\n        var dbEmulatorHost = undefined;\r\n        if (typeof process !== 'undefined') {\r\n            dbEmulatorHost = process.env[FIREBASE_DATABASE_EMULATOR_HOST_VAR];\r\n        }\r\n        if (dbEmulatorHost) {\r\n            isEmulator = true;\r\n            dbUrl = \"http://\" + dbEmulatorHost + \"?ns=\" + repoInfo.namespace;\r\n            parsedUrl = parseRepoInfo(dbUrl, nodeAdmin);\r\n            repoInfo = parsedUrl.repoInfo;\r\n        }\r\n        else {\r\n            isEmulator = !parsedUrl.repoInfo.secure;\r\n        }\r\n        var authTokenProvider = nodeAdmin && isEmulator\r\n            ? new EmulatorAdminTokenProvider()\r\n            : new FirebaseAuthTokenProvider(app, authProvider);\r\n        validateUrl('Invalid Firebase Database URL', 1, parsedUrl);\r\n        if (!parsedUrl.path.isEmpty()) {\r\n            fatal('Database URL must point to the root of a Firebase Database ' +\r\n                '(not including a child path).');\r\n        }\r\n        var repo = this.createRepo(repoInfo, app, authTokenProvider);\r\n        return repo.database;\r\n    };\r\n    /**\r\n     * Remove the repo and make sure it is disconnected.\r\n     *\r\n     * @param {!Repo} repo\r\n     */\r\n    RepoManager.prototype.deleteRepo = function (repo) {\r\n        var appRepos = util.safeGet(this.repos_, repo.app.name);\r\n        // This should never happen...\r\n        if (!appRepos || util.safeGet(appRepos, repo.repoInfo_.toURLString()) !== repo) {\r\n            fatal(\"Database \" + repo.app.name + \"(\" + repo.repoInfo_ + \") has already been deleted.\");\r\n        }\r\n        repo.interrupt();\r\n        delete appRepos[repo.repoInfo_.toURLString()];\r\n    };\r\n    /**\r\n     * Ensures a repo doesn't already exist and then creates one using the\r\n     * provided app.\r\n     *\r\n     * @param {!RepoInfo} repoInfo The metadata about the Repo\r\n     * @param {!FirebaseApp} app\r\n     * @return {!Repo} The Repo object for the specified server / repoName.\r\n     */\r\n    RepoManager.prototype.createRepo = function (repoInfo, app, authTokenProvider) {\r\n        var appRepos = util.safeGet(this.repos_, app.name);\r\n        if (!appRepos) {\r\n            appRepos = {};\r\n            this.repos_[app.name] = appRepos;\r\n        }\r\n        var repo = util.safeGet(appRepos, repoInfo.toURLString());\r\n        if (repo) {\r\n            fatal('Database initialized multiple times. Please make sure the format of the database URL matches with each database() call.');\r\n        }\r\n        repo = new Repo(repoInfo, this.useRestClient_, app, authTokenProvider);\r\n        appRepos[repoInfo.toURLString()] = repo;\r\n        return repo;\r\n    };\r\n    /**\r\n     * Forces us to use ReadonlyRestClient instead of PersistentConnection for new Repos.\r\n     * @param {boolean} forceRestClient\r\n     */\r\n    RepoManager.prototype.forceRestClient = function (forceRestClient) {\r\n        this.useRestClient_ = forceRestClient;\r\n    };\r\n    return RepoManager;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * Class representing a firebase database.\r\n * @implements {FirebaseService}\r\n */\r\nvar Database = /** @class */ (function () {\r\n    /**\r\n     * The constructor should not be called by users of our public API.\r\n     * @param {!Repo} repo_\r\n     */\r\n    function Database(repo_) {\r\n        this.repo_ = repo_;\r\n        if (!(repo_ instanceof Repo)) {\r\n            fatal(\"Don't call new Database() directly - please use firebase.database().\");\r\n        }\r\n        /** @type {Reference} */\r\n        this.root_ = new Reference(repo_, Path.Empty);\r\n        this.INTERNAL = new DatabaseInternals(this);\r\n    }\r\n    Object.defineProperty(Database.prototype, \"app\", {\r\n        get: function () {\r\n            return this.repo_.app;\r\n        },\r\n        enumerable: false,\r\n        configurable: true\r\n    });\r\n    Database.prototype.ref = function (path) {\r\n        this.checkDeleted_('ref');\r\n        util.validateArgCount('database.ref', 0, 1, arguments.length);\r\n        if (path instanceof Reference) {\r\n            return this.refFromURL(path.toString());\r\n        }\r\n        return path !== undefined ? this.root_.child(path) : this.root_;\r\n    };\r\n    /**\r\n     * Returns a reference to the root or the path specified in url.\r\n     * We throw a exception if the url is not in the same domain as the\r\n     * current repo.\r\n     * @param {string} url\r\n     * @return {!Reference} Firebase reference.\r\n     */\r\n    Database.prototype.refFromURL = function (url) {\r\n        /** @const {string} */\r\n        var apiName = 'database.refFromURL';\r\n        this.checkDeleted_(apiName);\r\n        util.validateArgCount(apiName, 1, 1, arguments.length);\r\n        var parsedURL = parseRepoInfo(url, this.repo_.repoInfo_.nodeAdmin);\r\n        validateUrl(apiName, 1, parsedURL);\r\n        var repoInfo = parsedURL.repoInfo;\r\n        if (repoInfo.host !== this.repo_.repoInfo_.host) {\r\n            fatal(apiName +\r\n                ': Host name does not match the current database: ' +\r\n                '(found ' +\r\n                repoInfo.host +\r\n                ' but expected ' +\r\n                this.repo_.repoInfo_.host +\r\n                ')');\r\n        }\r\n        return this.ref(parsedURL.path.toString());\r\n    };\r\n    /**\r\n     * @param {string} apiName\r\n     */\r\n    Database.prototype.checkDeleted_ = function (apiName) {\r\n        if (this.repo_ === null) {\r\n            fatal('Cannot call ' + apiName + ' on a deleted database.');\r\n        }\r\n    };\r\n    // Make individual repo go offline.\r\n    Database.prototype.goOffline = function () {\r\n        util.validateArgCount('database.goOffline', 0, 0, arguments.length);\r\n        this.checkDeleted_('goOffline');\r\n        this.repo_.interrupt();\r\n    };\r\n    Database.prototype.goOnline = function () {\r\n        util.validateArgCount('database.goOnline', 0, 0, arguments.length);\r\n        this.checkDeleted_('goOnline');\r\n        this.repo_.resume();\r\n    };\r\n    Database.ServerValue = {\r\n        TIMESTAMP: {\r\n            '.sv': 'timestamp'\r\n        },\r\n        increment: function (delta) {\r\n            return {\r\n                '.sv': {\r\n                    'increment': delta\r\n                }\r\n            };\r\n        }\r\n    };\r\n    return Database;\r\n}());\r\nvar DatabaseInternals = /** @class */ (function () {\r\n    /** @param {!Database} database */\r\n    function DatabaseInternals(database) {\r\n        this.database = database;\r\n    }\r\n    /** @return {Promise<void>} */\r\n    DatabaseInternals.prototype.delete = function () {\r\n        return tslib.__awaiter(this, void 0, void 0, function () {\r\n            return tslib.__generator(this, function (_a) {\r\n                // eslint-disable-next-line @typescript-eslint/no-explicit-any\r\n                this.database.checkDeleted_('delete');\r\n                // eslint-disable-next-line @typescript-eslint/no-explicit-any\r\n                RepoManager.getInstance().deleteRepo(this.database.repo_);\r\n                // eslint-disable-next-line @typescript-eslint/no-explicit-any\r\n                this.database.repo_ = null;\r\n                // eslint-disable-next-line @typescript-eslint/no-explicit-any\r\n                this.database.root_ = null;\r\n                this.database.INTERNAL = null;\r\n                this.database = null;\r\n                return [2 /*return*/];\r\n            });\r\n        });\r\n    };\r\n    return DatabaseInternals;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * INTERNAL methods for internal-use only (tests, etc.).\r\n *\r\n * Customers shouldn't use these or else should be aware that they could break at any time.\r\n *\r\n * @const\r\n */\r\nvar forceLongPolling = function () {\r\n    WebSocketConnection.forceDisallow();\r\n    BrowserPollConnection.forceAllow();\r\n};\r\nvar forceWebSockets = function () {\r\n    BrowserPollConnection.forceDisallow();\r\n};\r\n/* Used by App Manager */\r\nvar isWebSocketsAvailable = function () {\r\n    return WebSocketConnection['isAvailable']();\r\n};\r\nvar setSecurityDebugCallback = function (ref, callback) {\r\n    // eslint-disable-next-line @typescript-eslint/no-explicit-any\r\n    ref.repo.persistentConnection_.securityDebugCallback_ = callback;\r\n};\r\nvar stats = function (ref, showDelta) {\r\n    ref.repo.stats(showDelta);\r\n};\r\nvar statsIncrementCounter = function (ref, metric) {\r\n    ref.repo.statsIncrementCounter(metric);\r\n};\r\nvar dataUpdateCount = function (ref) {\r\n    return ref.repo.dataUpdateCount;\r\n};\r\nvar interceptServerData = function (ref, callback) {\r\n    return ref.repo.interceptServerData_(callback);\r\n};\n\nvar INTERNAL = /*#__PURE__*/Object.freeze({\n  __proto__: null,\n  forceLongPolling: forceLongPolling,\n  forceWebSockets: forceWebSockets,\n  isWebSocketsAvailable: isWebSocketsAvailable,\n  setSecurityDebugCallback: setSecurityDebugCallback,\n  stats: stats,\n  statsIncrementCounter: statsIncrementCounter,\n  dataUpdateCount: dataUpdateCount,\n  interceptServerData: interceptServerData\n});\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nvar DataConnection = PersistentConnection;\r\n/**\r\n * @param {!string} pathString\r\n * @param {function(*)} onComplete\r\n */\r\n// eslint-disable-next-line @typescript-eslint/no-explicit-any\r\nPersistentConnection.prototype.simpleListen = function (pathString, onComplete) {\r\n    this.sendRequest('q', { p: pathString }, onComplete);\r\n};\r\n/**\r\n * @param {*} data\r\n * @param {function(*)} onEcho\r\n */\r\n// eslint-disable-next-line @typescript-eslint/no-explicit-any\r\nPersistentConnection.prototype.echo = function (data, onEcho) {\r\n    this.sendRequest('echo', { d: data }, onEcho);\r\n};\r\n// RealTimeConnection properties that we use in tests.\r\nvar RealTimeConnection = Connection;\r\n/**\r\n * @param {function(): string} newHash\r\n * @return {function()}\r\n */\r\nvar hijackHash = function (newHash) {\r\n    var oldPut = PersistentConnection.prototype.put;\r\n    PersistentConnection.prototype.put = function (pathString, data, onComplete, hash) {\r\n        if (hash !== undefined) {\r\n            hash = newHash();\r\n        }\r\n        oldPut.call(this, pathString, data, onComplete, hash);\r\n    };\r\n    return function () {\r\n        PersistentConnection.prototype.put = oldPut;\r\n    };\r\n};\r\n/**\r\n * @type {function(new:RepoInfo, !string, boolean, !string, boolean): undefined}\r\n */\r\nvar ConnectionTarget = RepoInfo;\r\n/**\r\n * @param {!Query} query\r\n * @return {!string}\r\n */\r\nvar queryIdentifier = function (query) {\r\n    return query.queryIdentifier();\r\n};\r\n/**\r\n * Forces the RepoManager to create Repos that use ReadonlyRestClient instead of PersistentConnection.\r\n *\r\n * @param {boolean} forceRestClient\r\n */\r\nvar forceRestClient = function (forceRestClient) {\r\n    RepoManager.getInstance().forceRestClient(forceRestClient);\r\n};\n\nvar TEST_ACCESS = /*#__PURE__*/Object.freeze({\n  __proto__: null,\n  DataConnection: DataConnection,\n  RealTimeConnection: RealTimeConnection,\n  hijackHash: hijackHash,\n  ConnectionTarget: ConnectionTarget,\n  queryIdentifier: queryIdentifier,\n  forceRestClient: forceRestClient\n});\n\nvar name = \"@firebase/database\";\nvar version = \"0.6.13\";\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nvar ServerValue = Database.ServerValue;\r\nfunction registerDatabase(instance) {\r\n    // set SDK_VERSION\r\n    setSDKVersion(instance.SDK_VERSION);\r\n    // Register the Database Service with the 'firebase' namespace.\r\n    var namespace = instance.INTERNAL.registerComponent(new component.Component('database', function (container, url) {\r\n        /* Dependencies */\r\n        // getImmediate for FirebaseApp will always succeed\r\n        var app = container.getProvider('app').getImmediate();\r\n        var authProvider = container.getProvider('auth-internal');\r\n        return RepoManager.getInstance().databaseFromApp(app, authProvider, url);\r\n    }, \"PUBLIC\" /* PUBLIC */)\r\n        .setServiceProps(\r\n    // firebase.database namespace properties\r\n    {\r\n        Reference: Reference,\r\n        Query: Query,\r\n        Database: Database,\r\n        DataSnapshot: DataSnapshot,\r\n        enableLogging: enableLogging,\r\n        INTERNAL: INTERNAL,\r\n        ServerValue: ServerValue,\r\n        TEST_ACCESS: TEST_ACCESS\r\n    })\r\n        .setMultipleInstances(true));\r\n    instance.registerVersion(name, version);\r\n    if (util.isNodeSdk()) {\r\n        module.exports = namespace;\r\n    }\r\n}\r\nregisterDatabase(firebase__default['default']);\n\nexports.DataSnapshot = DataSnapshot;\nexports.Database = Database;\nexports.OnDisconnect = OnDisconnect;\nexports.Query = Query;\nexports.Reference = Reference;\nexports.ServerValue = ServerValue;\nexports.enableLogging = enableLogging;\nexports.registerDatabase = registerDatabase;\n//# sourceMappingURL=index.cjs.js.map\n\n/* WEBPACK VAR INJECTION */}.call(this, __webpack_require__(7)))\n\n//# sourceURL=webpack:///./node_modules/@firebase/database/dist/index.cjs.js?")},function(module,exports,__webpack_require__){"use strict";eval('/* WEBPACK VAR INJECTION */(function(process) {\n\nObject.defineProperty(exports, "__esModule", {\n    value: !0\n});\n\nvar t = __webpack_require__(0), e = __webpack_require__(2), n = __webpack_require__(6), r = __webpack_require__(1), i = __webpack_require__(20), o = __webpack_require__(3);\n\nfunction s(t) {\n    return t && "object" == typeof t && "default" in t ? t : {\n        default: t\n    };\n}\n\nvar u =  s(e), a = {\n    // Causes are copied from:\n    // https://github.com/grpc/grpc/blob/bceec94ea4fc5f0085d81235d8e1c06798dc341a/include/grpc%2B%2B/impl/codegen/status_code_enum.h\n    /** Not an error; returned on success. */\n    OK: "ok",\n    /** The operation was cancelled (typically by the caller). */\n    CANCELLED: "cancelled",\n    /** Unknown error or an error from a different error domain. */\n    UNKNOWN: "unknown",\n    /**\n     * Client specified an invalid argument. Note that this differs from\n     * FAILED_PRECONDITION. INVALID_ARGUMENT indicates arguments that are\n     * problematic regardless of the state of the system (e.g., a malformed file\n     * name).\n     */\n    INVALID_ARGUMENT: "invalid-argument",\n    /**\n     * Deadline expired before operation could complete. For operations that\n     * change the state of the system, this error may be returned even if the\n     * operation has completed successfully. For example, a successful response\n     * from a server could have been delayed long enough for the deadline to\n     * expire.\n     */\n    DEADLINE_EXCEEDED: "deadline-exceeded",\n    /** Some requested entity (e.g., file or directory) was not found. */\n    NOT_FOUND: "not-found",\n    /**\n     * Some entity that we attempted to create (e.g., file or directory) already\n     * exists.\n     */\n    ALREADY_EXISTS: "already-exists",\n    /**\n     * The caller does not have permission to execute the specified operation.\n     * PERMISSION_DENIED must not be used for rejections caused by exhausting\n     * some resource (use RESOURCE_EXHAUSTED instead for those errors).\n     * PERMISSION_DENIED must not be used if the caller can not be identified\n     * (use UNAUTHENTICATED instead for those errors).\n     */\n    PERMISSION_DENIED: "permission-denied",\n    /**\n     * The request does not have valid authentication credentials for the\n     * operation.\n     */\n    UNAUTHENTICATED: "unauthenticated",\n    /**\n     * Some resource has been exhausted, perhaps a per-user quota, or perhaps the\n     * entire file system is out of space.\n     */\n    RESOURCE_EXHAUSTED: "resource-exhausted",\n    /**\n     * Operation was rejected because the system is not in a state required for\n     * the operation\'s execution. For example, directory to be deleted may be\n     * non-empty, an rmdir operation is applied to a non-directory, etc.\n     *\n     * A litmus test that may help a service implementor in deciding\n     * between FAILED_PRECONDITION, ABORTED, and UNAVAILABLE:\n     *  (a) Use UNAVAILABLE if the client can retry just the failing call.\n     *  (b) Use ABORTED if the client should retry at a higher-level\n     *      (e.g., restarting a read-modify-write sequence).\n     *  (c) Use FAILED_PRECONDITION if the client should not retry until\n     *      the system state has been explicitly fixed. E.g., if an "rmdir"\n     *      fails because the directory is non-empty, FAILED_PRECONDITION\n     *      should be returned since the client should not retry unless\n     *      they have first fixed up the directory by deleting files from it.\n     *  (d) Use FAILED_PRECONDITION if the client performs conditional\n     *      REST Get/Update/Delete on a resource and the resource on the\n     *      server does not match the condition. E.g., conflicting\n     *      read-modify-write on the same resource.\n     */\n    FAILED_PRECONDITION: "failed-precondition",\n    /**\n     * The operation was aborted, typically due to a concurrency issue like\n     * sequencer check failures, transaction aborts, etc.\n     *\n     * See litmus test above for deciding between FAILED_PRECONDITION, ABORTED,\n     * and UNAVAILABLE.\n     */\n    ABORTED: "aborted",\n    /**\n     * Operation was attempted past the valid range. E.g., seeking or reading\n     * past end of file.\n     *\n     * Unlike INVALID_ARGUMENT, this error indicates a problem that may be fixed\n     * if the system state changes. For example, a 32-bit file system will\n     * generate INVALID_ARGUMENT if asked to read at an offset that is not in the\n     * range [0,2^32-1], but it will generate OUT_OF_RANGE if asked to read from\n     * an offset past the current file size.\n     *\n     * There is a fair bit of overlap between FAILED_PRECONDITION and\n     * OUT_OF_RANGE. We recommend using OUT_OF_RANGE (the more specific error)\n     * when it applies so that callers who are iterating through a space can\n     * easily look for an OUT_OF_RANGE error to detect when they are done.\n     */\n    OUT_OF_RANGE: "out-of-range",\n    /** Operation is not implemented or not supported/enabled in this service. */\n    UNIMPLEMENTED: "unimplemented",\n    /**\n     * Internal errors. Means some invariants expected by underlying System has\n     * been broken. If you see one of these errors, Something is very broken.\n     */\n    INTERNAL: "internal",\n    /**\n     * The service is currently unavailable. This is a most likely a transient\n     * condition and may be corrected by retrying with a backoff.\n     *\n     * See litmus test above for deciding between FAILED_PRECONDITION, ABORTED,\n     * and UNAVAILABLE.\n     */\n    UNAVAILABLE: "unavailable",\n    /** Unrecoverable data loss or corruption. */\n    DATA_LOSS: "data-loss"\n}, c = /** @class */ function(e) {\n    function n(t, n) {\n        var r = this;\n        return (r = e.call(this, n) || this).code = t, r.message = n, r.name = "FirebaseError", \n        // HACK: We write a toString property directly because Error is not a real\n        // class and so inheritance does not work correctly. We could alternatively\n        // do the same "back-door inheritance" trick that FirebaseError does.\n        r.toString = function() {\n            return r.name + ": [code=" + r.code + "]: " + r.message;\n        }, r;\n    }\n    return t.__extends(n, e), n;\n}(Error), h = new n.Logger("@firebase/firestore");\n\n/**\n * @license\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the "License");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an "AS IS" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/** Converts a Base64 encoded string to a binary string. */\n/**\n * @license\n * Copyright 2017 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the "License");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an "AS IS" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n// Helper methods are needed because variables can\'t be exported as read/write\nfunction f() {\n    return h.logLevel;\n}\n\n/**\n * Sets the verbosity of Cloud Firestore logs (debug, error, or silent).\n *\n * @param logLevel\n *   The verbosity you set for activity and error logging. Can be any of\n *   the following values:\n *\n *   <ul>\n *     <li>`debug` for the most verbose logging level, primarily for\n *     debugging.</li>\n *     <li>`error` to log errors only.</li>\n *     <li><code>`silent` to turn off logging.</li>\n *   </ul>\n */ function l(e) {\n    for (var r = [], i = 1; i < arguments.length; i++) r[i - 1] = arguments[i];\n    if (h.logLevel <= n.LogLevel.DEBUG) {\n        var o = r.map(v);\n        h.debug.apply(h, t.__spreadArrays([ "Firestore (7.24.0): " + e ], o));\n    }\n}\n\nfunction p(e) {\n    for (var r = [], i = 1; i < arguments.length; i++) r[i - 1] = arguments[i];\n    if (h.logLevel <= n.LogLevel.ERROR) {\n        var o = r.map(v);\n        h.error.apply(h, t.__spreadArrays([ "Firestore (7.24.0): " + e ], o));\n    }\n}\n\nfunction d(e) {\n    for (var r = [], i = 1; i < arguments.length; i++) r[i - 1] = arguments[i];\n    if (h.logLevel <= n.LogLevel.WARN) {\n        var o = r.map(v);\n        h.warn.apply(h, t.__spreadArrays([ "Firestore (7.24.0): " + e ], o));\n    }\n}\n\n/**\n * Converts an additional log parameter to a string representation.\n */ function v(t) {\n    if ("string" == typeof t) return t;\n    try {\n        return e = t, JSON.stringify(e);\n    } catch (e) {\n        // Converting to JSON failed, just log the object directly\n        return t;\n    }\n    /**\n * @license\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the "License");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an "AS IS" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n    /** Formats an object as a JSON string, suitable for logging. */    var e;\n}\n\n/**\n * @license\n * Copyright 2017 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the "License");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an "AS IS" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/**\n * Unconditionally fails, throwing an Error with the given message.\n * Messages are stripped in production builds.\n *\n * Returns `never` and can be used in expressions:\n * @example\n * let futureVar = fail(\'not implemented yet\');\n */ function y(t) {\n    void 0 === t && (t = "Unexpected state");\n    // Log the failure in addition to throw an exception, just in case the\n    // exception is swallowed.\n        var e = "FIRESTORE (7.24.0) INTERNAL ASSERTION FAILED: " + t;\n    // NOTE: We don\'t use FirestoreError here because these are internal failures\n    // that cannot be handled by the user. (Also it would create a circular\n    // dependency between the error and assert modules which doesn\'t work.)\n        throw p(e), new Error(e)\n    /**\n * Fails if the given assertion condition is false, throwing an Error with the\n * given message if it did.\n *\n * Messages are stripped in production builds.\n */;\n}\n\nfunction g(t, e) {\n    t || y();\n}\n\n/**\n * Casts `obj` to `T`. In non-production builds, verifies that `obj` is an\n * instance of `T` before casting.\n */ function m(t, \n// eslint-disable-next-line @typescript-eslint/no-explicit-any\ne) {\n    return t;\n}\n\n/**\n * @license\n * Copyright 2017 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the "License");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an "AS IS" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */ function w(t) {\n    var e = 0;\n    for (var n in t) Object.prototype.hasOwnProperty.call(t, n) && e++;\n    return e;\n}\n\nfunction _(t, e) {\n    for (var n in t) Object.prototype.hasOwnProperty.call(t, n) && e(n, t[n]);\n}\n\nfunction b(t) {\n    for (var e in t) if (Object.prototype.hasOwnProperty.call(t, e)) return !1;\n    return !0;\n}\n\n/**\n * @license\n * Copyright 2017 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the "License");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an "AS IS" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/**\n * Path represents an ordered sequence of string segments.\n */ var I = /** @class */ function() {\n    function t(t, e, n) {\n        void 0 === e ? e = 0 : e > t.length && y(), void 0 === n ? n = t.length - e : n > t.length - e && y(), \n        this.segments = t, this.offset = e, this.t = n;\n    }\n    return Object.defineProperty(t.prototype, "length", {\n        get: function() {\n            return this.t;\n        },\n        enumerable: !1,\n        configurable: !0\n    }), t.prototype.isEqual = function(e) {\n        return 0 === t.i(this, e);\n    }, t.prototype.child = function(e) {\n        var n = this.segments.slice(this.offset, this.limit());\n        return e instanceof t ? e.forEach((function(t) {\n            n.push(t);\n        })) : n.push(e), this.o(n);\n    }, \n    /** The index of one past the last segment of the path. */ t.prototype.limit = function() {\n        return this.offset + this.length;\n    }, t.prototype.u = function(t) {\n        return t = void 0 === t ? 1 : t, this.o(this.segments, this.offset + t, this.length - t);\n    }, t.prototype.h = function() {\n        return this.o(this.segments, this.offset, this.length - 1);\n    }, t.prototype.l = function() {\n        return this.segments[this.offset];\n    }, t.prototype._ = function() {\n        return this.get(this.length - 1);\n    }, t.prototype.get = function(t) {\n        return this.segments[this.offset + t];\n    }, t.prototype.m = function() {\n        return 0 === this.length;\n    }, t.prototype.T = function(t) {\n        if (t.length < this.length) return !1;\n        for (var e = 0; e < this.length; e++) if (this.get(e) !== t.get(e)) return !1;\n        return !0;\n    }, t.prototype.I = function(t) {\n        if (this.length + 1 !== t.length) return !1;\n        for (var e = 0; e < this.length; e++) if (this.get(e) !== t.get(e)) return !1;\n        return !0;\n    }, t.prototype.forEach = function(t) {\n        for (var e = this.offset, n = this.limit(); e < n; e++) t(this.segments[e]);\n    }, t.prototype.A = function() {\n        return this.segments.slice(this.offset, this.limit());\n    }, t.i = function(t, e) {\n        for (var n = Math.min(t.length, e.length), r = 0; r < n; r++) {\n            var i = t.get(r), o = e.get(r);\n            if (i < o) return -1;\n            if (i > o) return 1;\n        }\n        return t.length < e.length ? -1 : t.length > e.length ? 1 : 0;\n    }, t;\n}(), E = /** @class */ function(e) {\n    function n() {\n        return null !== e && e.apply(this, arguments) || this;\n    }\n    return t.__extends(n, e), n.prototype.o = function(t, e, r) {\n        return new n(t, e, r);\n    }, n.prototype.R = function() {\n        // NOTE: The client is ignorant of any path segments containing escape\n        // sequences (e.g. __id123__) and just passes them through raw (they exist\n        // for legacy reasons and should not be used frequently).\n        return this.A().join("/");\n    }, n.prototype.toString = function() {\n        return this.R();\n    }, \n    /**\n     * Creates a resource path from the given slash-delimited string. If multiple\n     * arguments are provided, all components are combined. Leading and trailing\n     * slashes from all components are ignored.\n     */\n    n.g = function() {\n        for (var t = [], e = 0; e < arguments.length; e++) t[e] = arguments[e];\n        // NOTE: The client is ignorant of any path segments containing escape\n        // sequences (e.g. __id123__) and just passes them through raw (they exist\n        // for legacy reasons and should not be used frequently).\n                for (var r = [], i = 0, o = t; i < o.length; i++) {\n            var s = o[i];\n            if (s.indexOf("//") >= 0) throw new c(a.INVALID_ARGUMENT, "Invalid segment (" + s + "). Paths must not contain // in them.");\n            // Strip leading and traling slashed.\n                        r.push.apply(r, s.split("/").filter((function(t) {\n                return t.length > 0;\n            })));\n        }\n        return new n(r);\n    }, n.P = function() {\n        return new n([]);\n    }, n;\n}(I), T = /^[_a-zA-Z][_a-zA-Z0-9]*$/, N = /** @class */ function(e) {\n    function n() {\n        return null !== e && e.apply(this, arguments) || this;\n    }\n    return t.__extends(n, e), n.prototype.o = function(t, e, r) {\n        return new n(t, e, r);\n    }, \n    /**\n     * Returns true if the string could be used as a segment in a field path\n     * without escaping.\n     */\n    n.V = function(t) {\n        return T.test(t);\n    }, n.prototype.R = function() {\n        return this.A().map((function(t) {\n            return t = t.replace("\\\\", "\\\\\\\\").replace("`", "\\\\`"), n.V(t) || (t = "`" + t + "`"), \n            t;\n        })).join(".");\n    }, n.prototype.toString = function() {\n        return this.R();\n    }, \n    /**\n     * Returns true if this field references the key of a document.\n     */\n    n.prototype.p = function() {\n        return 1 === this.length && "__name__" === this.get(0);\n    }, \n    /**\n     * The field designating the key of a document.\n     */\n    n.v = function() {\n        return new n([ "__name__" ]);\n    }, \n    /**\n     * Parses a field string from the given server-formatted string.\n     *\n     * - Splitting the empty string is not allowed (for now at least).\n     * - Empty segments within the string (e.g. if there are two consecutive\n     *   separators) are not allowed.\n     *\n     * TODO(b/37244157): we should make this more strict. Right now, it allows\n     * non-identifier path components, even if they aren\'t escaped.\n     */\n    n.S = function(t) {\n        for (var e = [], r = "", i = 0, o = function() {\n            if (0 === r.length) throw new c(a.INVALID_ARGUMENT, "Invalid field path (" + t + "). Paths must not be empty, begin with \'.\', end with \'.\', or contain \'..\'");\n            e.push(r), r = "";\n        }, s = !1; i < t.length; ) {\n            var u = t[i];\n            if ("\\\\" === u) {\n                if (i + 1 === t.length) throw new c(a.INVALID_ARGUMENT, "Path has trailing escape character: " + t);\n                var h = t[i + 1];\n                if ("\\\\" !== h && "." !== h && "`" !== h) throw new c(a.INVALID_ARGUMENT, "Path has invalid escape sequence: " + t);\n                r += h, i += 2;\n            } else "`" === u ? (s = !s, i++) : "." !== u || s ? (r += u, i++) : (o(), i++);\n        }\n        if (o(), s) throw new c(a.INVALID_ARGUMENT, "Unterminated ` in path: " + t);\n        return new n(e);\n    }, n.P = function() {\n        return new n([]);\n    }, n;\n}(I), A = /** @class */ function() {\n    function t(t) {\n        this.path = t;\n    }\n    return t.D = function(e) {\n        return new t(E.g(e));\n    }, t.C = function(e) {\n        return new t(E.g(e).u(5));\n    }, \n    /** Returns true if the document is in the specified collectionId. */ t.prototype.N = function(t) {\n        return this.path.length >= 2 && this.path.get(this.path.length - 2) === t;\n    }, t.prototype.isEqual = function(t) {\n        return null !== t && 0 === E.i(this.path, t.path);\n    }, t.prototype.toString = function() {\n        return this.path.toString();\n    }, t.i = function(t, e) {\n        return E.i(t.path, e.path);\n    }, t.F = function(t) {\n        return t.length % 2 == 0;\n    }, \n    /**\n     * Creates and returns a new document key with the given segments.\n     *\n     * @param segments The segments of the path to the document\n     * @return A new instance of DocumentKey\n     */\n    t.$ = function(e) {\n        return new t(new E(e.slice()));\n    }, t;\n}();\n\n/**\n * A slash-separated path for navigating resources (documents and collections)\n * within Firestore.\n */\n/**\n * @license\n * Copyright 2017 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the "License");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an "AS IS" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/**\n * Validates that no arguments were passed in the invocation of functionName.\n *\n * Forward the magic "arguments" variable as second parameter on which the\n * parameter validation is performed:\n * validateNoArgs(\'myFunction\', arguments);\n */\nfunction S(t, e) {\n    if (0 !== e.length) throw new c(a.INVALID_ARGUMENT, "Function " + t + "() does not support arguments, but was called with " + W(e.length, "argument") + ".");\n}\n\n/**\n * Validates the invocation of functionName has the exact number of arguments.\n *\n * Forward the magic "arguments" variable as second parameter on which the\n * parameter validation is performed:\n * validateExactNumberOfArgs(\'myFunction\', arguments, 2);\n */ function D(t, e, n) {\n    if (e.length !== n) throw new c(a.INVALID_ARGUMENT, "Function " + t + "() requires " + W(n, "argument") + ", but was called with " + W(e.length, "argument") + ".");\n}\n\n/**\n * Validates the invocation of functionName has at least the provided number of\n * arguments (but can have many more).\n *\n * Forward the magic "arguments" variable as second parameter on which the\n * parameter validation is performed:\n * validateAtLeastNumberOfArgs(\'myFunction\', arguments, 2);\n */ function x(t, e, n) {\n    if (e.length < n) throw new c(a.INVALID_ARGUMENT, "Function " + t + "() requires at least " + W(n, "argument") + ", but was called with " + W(e.length, "argument") + ".");\n}\n\n/**\n * Validates the invocation of functionName has number of arguments between\n * the values provided.\n *\n * Forward the magic "arguments" variable as second parameter on which the\n * parameter validation is performed:\n * validateBetweenNumberOfArgs(\'myFunction\', arguments, 2, 3);\n */ function L(t, e, n, r) {\n    if (e.length < n || e.length > r) throw new c(a.INVALID_ARGUMENT, "Function " + t + "() requires between " + n + " and " + r + " arguments, but was called with " + W(e.length, "argument") + ".");\n}\n\n/**\n * Validates the provided argument is an array and has as least the expected\n * number of elements.\n */\n/**\n * Validates the provided positional argument has the native JavaScript type\n * using typeof checks.\n */ function k(t, e, n, r) {\n    C(t, e, B(n) + " argument", r);\n}\n\n/**\n * Validates the provided argument has the native JavaScript type using\n * typeof checks or is undefined.\n */ function R(t, e, n, r) {\n    void 0 !== r && k(t, e, n, r);\n}\n\n/**\n * Validates the provided named option has the native JavaScript type using\n * typeof checks.\n */ function O(t, e, n, r) {\n    C(t, e, n + " option", r);\n}\n\n/**\n * Validates the provided named option has the native JavaScript type using\n * typeof checks or is undefined.\n */ function P(t, e, n, r) {\n    void 0 !== r && O(t, e, n, r);\n}\n\n/**\n * Validates that two boolean options are not set at the same time.\n */\n/**\n * Validates that the provided named option equals one of the expected values.\n */\n/**\n * Validates that the provided named option equals one of the expected values or\n * is undefined.\n */\nfunction V(t, e, n, r, i) {\n    void 0 !== r && function(t, e, n, r, i) {\n        for (var o = [], s = 0, u = i; s < u.length; s++) {\n            var h = u[s];\n            if (h === r) return;\n            o.push(M(h));\n        }\n        var f = M(r);\n        throw new c(a.INVALID_ARGUMENT, "Invalid value " + f + " provided to function " + t + \'() for option "\' + n + \'". Acceptable values: \' + o.join(", "));\n    }(t, 0, n, r, i);\n}\n\n/**\n * Validates that the provided argument is a valid enum.\n *\n * @param functionName Function making the validation call.\n * @param enums Array containing all possible values for the enum.\n * @param position Position of the argument in `functionName`.\n * @param argument Argument to validate.\n * @return The value as T if the argument can be converted.\n */ function U(t, e, n, r) {\n    if (!e.some((function(t) {\n        return t === r;\n    }))) throw new c(a.INVALID_ARGUMENT, "Invalid value " + M(r) + " provided to function " + t + "() for its " + B(n) + " argument. Acceptable values: " + e.join(", "));\n    return r;\n}\n\n/** Helper to validate the type of a provided input. */ function C(t, e, n, r) {\n    if (!("object" === e ? F(r) : "non-empty string" === e ? "string" == typeof r && "" !== r : typeof r === e)) {\n        var i = M(r);\n        throw new c(a.INVALID_ARGUMENT, "Function " + t + "() requires its " + n + " to be of type " + e + ", but it was: " + i);\n    }\n}\n\n/**\n * Returns true if it\'s a non-null object without a custom prototype\n * (i.e. excludes Array, Date, etc.).\n */ function F(t) {\n    return "object" == typeof t && null !== t && (Object.getPrototypeOf(t) === Object.prototype || null === Object.getPrototypeOf(t));\n}\n\n/** Returns a string describing the type / value of the provided input. */ function M(t) {\n    if (void 0 === t) return "undefined";\n    if (null === t) return "null";\n    if ("string" == typeof t) return t.length > 20 && (t = t.substring(0, 20) + "..."), \n    JSON.stringify(t);\n    if ("number" == typeof t || "boolean" == typeof t) return "" + t;\n    if ("object" == typeof t) {\n        if (t instanceof Array) return "an array";\n        var e = \n        /** Hacky method to try to get the constructor name for an object. */\n        function(t) {\n            if (t.constructor) {\n                var e = /function\\s+([^\\s(]+)\\s*\\(/.exec(t.constructor.toString());\n                if (e && e.length > 1) return e[1];\n            }\n            return null;\n        }(t);\n        return e ? "a custom " + e + " object" : "an object";\n    }\n    return "function" == typeof t ? "a function" : y();\n}\n\nfunction q(t, e, n) {\n    if (void 0 === n) throw new c(a.INVALID_ARGUMENT, "Function " + t + "() requires a valid " + B(e) + " argument, but it was undefined.");\n}\n\n/**\n * Validates the provided positional argument is an object, and its keys and\n * values match the expected keys and types provided in optionTypes.\n */ function j(t, e, n) {\n    _(e, (function(e, r) {\n        if (n.indexOf(e) < 0) throw new c(a.INVALID_ARGUMENT, "Unknown option \'" + e + "\' passed to function " + t + "(). Available options: " + n.join(", "));\n    }));\n}\n\n/**\n * Helper method to throw an error that the provided argument did not pass\n * an instanceof check.\n */ function G(t, e, n, r) {\n    var i = M(r);\n    return new c(a.INVALID_ARGUMENT, "Function " + t + "() requires its " + B(n) + " argument to be a " + e + ", but it was: " + i);\n}\n\nfunction z(t, e, n) {\n    if (n <= 0) throw new c(a.INVALID_ARGUMENT, "Function " + t + "() requires its " + B(e) + " argument to be a positive number, but it was: " + n + ".");\n}\n\n/** Converts a number to its english word representation */ function B(t) {\n    switch (t) {\n      case 1:\n        return "first";\n\n      case 2:\n        return "second";\n\n      case 3:\n        return "third";\n\n      default:\n        return t + "th";\n    }\n}\n\n/**\n * Formats the given word as plural conditionally given the preceding number.\n */ function W(t, e) {\n    return t + " " + e + (1 === t ? "" : "s");\n}\n\n/**\n * @license\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the "License");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an "AS IS" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/**\n * Generates `nBytes` of random bytes.\n *\n * If `nBytes < 0` , an error will be thrown.\n */ function K(t) {\n    // Polyfills for IE and WebWorker by using `self` and `msCrypto` when `crypto` is not available.\n    var e = \n    // eslint-disable-next-line @typescript-eslint/no-explicit-any\n    "undefined" != typeof self && (self.crypto || self.msCrypto), n = new Uint8Array(t);\n    if (e && "function" == typeof e.getRandomValues) e.getRandomValues(n); else \n    // Falls back to Math.random\n    for (var r = 0; r < t; r++) n[r] = Math.floor(256 * Math.random());\n    return n;\n}\n\n/**\n * @license\n * Copyright 2017 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the "License");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an "AS IS" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */ var Q = /** @class */ function() {\n    function t() {}\n    return t.k = function() {\n        for (\n        // Alphanumeric characters\n        var t = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789", e = Math.floor(256 / t.length) * t.length, n = ""\n        // The largest byte value that is a multiple of `char.length`.\n        ; n.length < 20; ) for (var r = K(40), i = 0; i < r.length; ++i) \n        // Only accept values that are [0, maxMultiple), this ensures they can\n        // be evenly mapped to indices of `chars` via a modulo operation.\n        n.length < 20 && r[i] < e && (n += t.charAt(r[i] % t.length));\n        return n;\n    }, t;\n}();\n\nfunction H(t, e) {\n    return t < e ? -1 : t > e ? 1 : 0;\n}\n\n/** Helper to compare arrays using isEqual(). */ function Y(t, e, n) {\n    return t.length === e.length && t.every((function(t, r) {\n        return n(t, e[r]);\n    }));\n}\n\n/**\n * Returns the immediate lexicographically-following string. This is useful to\n * construct an inclusive range for indexeddb iterators.\n */ function $(t) {\n    // Return the input string, with an additional NUL byte appended.\n    return t + "\\0";\n}\n\n/**\n * @license\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the "License");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an "AS IS" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/**\n * Immutable class that represents a "proto" byte string.\n *\n * Proto byte strings can either be Base64-encoded strings or Uint8Arrays when\n * sent on the wire. This class abstracts away this differentiation by holding\n * the proto byte string in a common class that must be converted into a string\n * before being sent as a proto.\n */ var X = /** @class */ function() {\n    function t(t) {\n        this.M = t;\n    }\n    return t.fromBase64String = function(e) {\n        return new t(atob(e));\n    }, t.fromUint8Array = function(e) {\n        return new t(\n        /**\n * Helper function to convert an Uint8array to a binary string.\n */\n        function(t) {\n            for (var e = "", n = 0; n < t.length; ++n) e += String.fromCharCode(t[n]);\n            return e;\n        }(e));\n    }, t.prototype.toBase64 = function() {\n        return t = this.M, btoa(t);\n        /** Converts a binary string to a Base64 encoded string. */        var t;\n        /** True if and only if the Base64 conversion functions are available. */    }, \n    t.prototype.toUint8Array = function() {\n        return function(t) {\n            for (var e = new Uint8Array(t.length), n = 0; n < t.length; n++) e[n] = t.charCodeAt(n);\n            return e;\n        }(this.M);\n    }, t.prototype.O = function() {\n        return 2 * this.M.length;\n    }, t.prototype.L = function(t) {\n        return H(this.M, t.M);\n    }, t.prototype.isEqual = function(t) {\n        return this.M === t.M;\n    }, t;\n}();\n\nX.B = new X("");\n\nvar J = /** @class */ function() {\n    function t(t) {\n        this.q = t;\n    }\n    /**\n     * Creates a new `Bytes` object from the given Base64 string, converting it to\n     * bytes.\n     *\n     * @param base64 The Base64 string used to create the `Bytes` object.\n     */    return t.fromBase64String = function(e) {\n        try {\n            return new t(X.fromBase64String(e));\n        } catch (e) {\n            throw new c(a.INVALID_ARGUMENT, "Failed to construct Bytes from Base64 string: " + e);\n        }\n    }, \n    /**\n     * Creates a new `Bytes` object from the given Uint8Array.\n     *\n     * @param array The Uint8Array used to create the `Bytes` object.\n     */\n    t.fromUint8Array = function(e) {\n        return new t(X.fromUint8Array(e));\n    }, \n    /**\n     * Returns the underlying bytes as a Base64-encoded string.\n     *\n     * @return The Base64-encoded string created from the `Bytes` object.\n     */\n    t.prototype.toBase64 = function() {\n        return this.q.toBase64();\n    }, \n    /**\n     * Returns the underlying bytes in a new `Uint8Array`.\n     *\n     * @return The Uint8Array created from the `Bytes` object.\n     */\n    t.prototype.toUint8Array = function() {\n        return this.q.toUint8Array();\n    }, \n    /**\n     * Returns a string representation of the `Bytes` object.\n     *\n     * @return A string representation of the `Bytes` object.\n     */\n    t.prototype.toString = function() {\n        return "Bytes(base64: " + this.toBase64() + ")";\n    }, \n    /**\n     * Returns true if this `Bytes` object is equal to the provided one.\n     *\n     * @param other The `Bytes` object to compare against.\n     * @return true if this `Bytes` object is equal to the provided one.\n     */\n    t.prototype.isEqual = function(t) {\n        return this.q.isEqual(t.q);\n    }, t;\n}();\n\n/**\n * @license\n * Copyright 2017 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the "License");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an "AS IS" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/** Helper function to assert Uint8Array is available at runtime. */ function Z() {\n    if ("undefined" == typeof Uint8Array) throw new c(a.UNIMPLEMENTED, "Uint8Arrays are not available in this environment.");\n}\n\n/** Helper function to assert Base64 functions are available at runtime. */ function tt() {\n    if ("undefined" == typeof atob) throw new c(a.UNIMPLEMENTED, "Blobs are unavailable in Firestore in this environment.");\n}\n\n/**\n * Immutable class holding a blob (binary data).\n *\n * This class is directly exposed in the public API. It extends the Bytes class\n * of the firestore-exp API to support `instanceof Bytes` checks during user\n * data conversion.\n *\n * Note that while you can\'t hide the constructor in JavaScript code, we are\n * using the hack above to make sure no-one outside this module can call it.\n */ var et = /** @class */ function(e) {\n    function n() {\n        return null !== e && e.apply(this, arguments) || this;\n    }\n    return t.__extends(n, e), n.fromBase64String = function(t) {\n        D("Blob.fromBase64String", arguments, 1), k("Blob.fromBase64String", "string", 1, t), \n        tt();\n        try {\n            return new n(X.fromBase64String(t));\n        } catch (t) {\n            throw new c(a.INVALID_ARGUMENT, "Failed to construct Blob from Base64 string: " + t);\n        }\n    }, n.fromUint8Array = function(t) {\n        if (D("Blob.fromUint8Array", arguments, 1), Z(), !(t instanceof Uint8Array)) throw G("Blob.fromUint8Array", "Uint8Array", 1, t);\n        return new n(X.fromUint8Array(t));\n    }, n.prototype.toBase64 = function() {\n        return D("Blob.toBase64", arguments, 0), tt(), e.prototype.toBase64.call(this);\n    }, n.prototype.toUint8Array = function() {\n        return D("Blob.toUint8Array", arguments, 0), Z(), e.prototype.toUint8Array.call(this);\n    }, n.prototype.toString = function() {\n        return "Blob(base64: " + this.toBase64() + ")";\n    }, n;\n}(J), nt = \n/**\n     * Constructs a DatabaseInfo using the provided host, databaseId and\n     * persistenceKey.\n     *\n     * @param databaseId The database to use.\n     * @param persistenceKey A unique identifier for this Firestore\'s local\n     * storage (used in conjunction with the databaseId).\n     * @param host The Firestore backend host to connect to.\n     * @param ssl Whether to use SSL when connecting.\n     * @param forceLongPolling Whether to use the forceLongPolling option\n     * when using WebChannel as the network transport.\n     * @param autoDetectLongPolling Whether to use the detectBufferingProxy\n     * option when using WebChannel as the network transport.\n     */\nfunction(t, e, n, r, i, o) {\n    this.U = t, this.persistenceKey = e, this.host = n, this.ssl = r, this.forceLongPolling = i, \n    this.W = o;\n}, rt = /** @class */ function() {\n    function t(t, e) {\n        this.projectId = t, this.database = e || "(default)";\n    }\n    return Object.defineProperty(t.prototype, "j", {\n        get: function() {\n            return "(default)" === this.database;\n        },\n        enumerable: !1,\n        configurable: !0\n    }), t.prototype.isEqual = function(e) {\n        return e instanceof t && e.projectId === this.projectId && e.database === this.database;\n    }, t.prototype.L = function(t) {\n        return H(this.projectId, t.projectId) || H(this.database, t.database);\n    }, t;\n}(), it = /** @class */ function() {\n    function t(t, e) {\n        this.K = t, this.G = e, \n        /**\n             * The inner map for a key -> value pair. Due to the possibility of\n             * collisions we keep a list of entries that we do a linear search through\n             * to find an actual match. Note that collisions should be rare, so we still\n             * expect near constant time lookups in practice.\n             */\n        this.H = {}\n        /** Get a value for this key, or undefined if it does not exist. */;\n    }\n    return t.prototype.get = function(t) {\n        var e = this.K(t), n = this.H[e];\n        if (void 0 !== n) for (var r = 0, i = n; r < i.length; r++) {\n            var o = i[r], s = o[0], u = o[1];\n            if (this.G(s, t)) return u;\n        }\n    }, t.prototype.has = function(t) {\n        return void 0 !== this.get(t);\n    }, \n    /** Put this key and value in the map. */ t.prototype.set = function(t, e) {\n        var n = this.K(t), r = this.H[n];\n        if (void 0 !== r) {\n            for (var i = 0; i < r.length; i++) if (this.G(r[i][0], t)) return void (r[i] = [ t, e ]);\n            r.push([ t, e ]);\n        } else this.H[n] = [ [ t, e ] ];\n    }, \n    /**\n     * Remove this key from the map. Returns a boolean if anything was deleted.\n     */\n    t.prototype.delete = function(t) {\n        var e = this.K(t), n = this.H[e];\n        if (void 0 === n) return !1;\n        for (var r = 0; r < n.length; r++) if (this.G(n[r][0], t)) return 1 === n.length ? delete this.H[e] : n.splice(r, 1), \n        !0;\n        return !1;\n    }, t.prototype.forEach = function(t) {\n        _(this.H, (function(e, n) {\n            for (var r = 0, i = n; r < i.length; r++) {\n                var o = i[r], s = o[0], u = o[1];\n                t(s, u);\n            }\n        }));\n    }, t.prototype.m = function() {\n        return b(this.H);\n    }, t;\n}(), ot = /** @class */ function() {\n    /**\n     * Creates a new timestamp.\n     *\n     * @param seconds The number of seconds of UTC time since Unix epoch\n     *     1970-01-01T00:00:00Z. Must be from 0001-01-01T00:00:00Z to\n     *     9999-12-31T23:59:59Z inclusive.\n     * @param nanoseconds The non-negative fractions of a second at nanosecond\n     *     resolution. Negative second values with fractions must still have\n     *     non-negative nanoseconds values that count forward in time. Must be\n     *     from 0 to 999,999,999 inclusive.\n     */\n    function t(t, e) {\n        if (this.seconds = t, this.nanoseconds = e, e < 0) throw new c(a.INVALID_ARGUMENT, "Timestamp nanoseconds out of range: " + e);\n        if (e >= 1e9) throw new c(a.INVALID_ARGUMENT, "Timestamp nanoseconds out of range: " + e);\n        if (t < -62135596800) throw new c(a.INVALID_ARGUMENT, "Timestamp seconds out of range: " + t);\n        // This will break in the year 10,000.\n                if (t >= 253402300800) throw new c(a.INVALID_ARGUMENT, "Timestamp seconds out of range: " + t);\n    }\n    /**\n     * Creates a new timestamp with the current date, with millisecond precision.\n     *\n     * @return a new timestamp representing the current date.\n     */    return t.now = function() {\n        return t.fromMillis(Date.now());\n    }, \n    /**\n     * Creates a new timestamp from the given date.\n     *\n     * @param date The date to initialize the `Timestamp` from.\n     * @return A new `Timestamp` representing the same point in time as the given\n     *     date.\n     */\n    t.fromDate = function(e) {\n        return t.fromMillis(e.getTime());\n    }, \n    /**\n     * Creates a new timestamp from the given number of milliseconds.\n     *\n     * @param milliseconds Number of milliseconds since Unix epoch\n     *     1970-01-01T00:00:00Z.\n     * @return A new `Timestamp` representing the same point in time as the given\n     *     number of milliseconds.\n     */\n    t.fromMillis = function(e) {\n        var n = Math.floor(e / 1e3);\n        return new t(n, 1e6 * (e - 1e3 * n));\n    }, \n    /**\n     * Converts a `Timestamp` to a JavaScript `Date` object. This conversion causes\n     * a loss of precision since `Date` objects only support millisecond precision.\n     *\n     * @return JavaScript `Date` object representing the same point in time as\n     *     this `Timestamp`, with millisecond precision.\n     */\n    t.prototype.toDate = function() {\n        return new Date(this.toMillis());\n    }, \n    /**\n     * Converts a `Timestamp` to a numeric timestamp (in milliseconds since\n     * epoch). This operation causes a loss of precision.\n     *\n     * @return The point in time corresponding to this timestamp, represented as\n     *     the number of milliseconds since Unix epoch 1970-01-01T00:00:00Z.\n     */\n    t.prototype.toMillis = function() {\n        return 1e3 * this.seconds + this.nanoseconds / 1e6;\n    }, t.prototype.Y = function(t) {\n        return this.seconds === t.seconds ? H(this.nanoseconds, t.nanoseconds) : H(this.seconds, t.seconds);\n    }, \n    /**\n     * Returns true if this `Timestamp` is equal to the provided one.\n     *\n     * @param other The `Timestamp` to compare against.\n     * @return true if this `Timestamp` is equal to the provided one.\n     */\n    t.prototype.isEqual = function(t) {\n        return t.seconds === this.seconds && t.nanoseconds === this.nanoseconds;\n    }, t.prototype.toString = function() {\n        return "Timestamp(seconds=" + this.seconds + ", nanoseconds=" + this.nanoseconds + ")";\n    }, t.prototype.toJSON = function() {\n        return {\n            seconds: this.seconds,\n            nanoseconds: this.nanoseconds\n        };\n    }, \n    /**\n     * Converts this object to a primitive string, which allows Timestamp objects to be compared\n     * using the `>`, `<=`, `>=` and `>` operators.\n     */\n    t.prototype.valueOf = function() {\n        // This method returns a string of the form <seconds>.<nanoseconds> where <seconds> is\n        // translated to have a non-negative value and both <seconds> and <nanoseconds> are left-padded\n        // with zeroes to be a consistent length. Strings with this format then have a lexiographical\n        // ordering that matches the expected ordering. The <seconds> translation is done to avoid\n        // having a leading negative sign (i.e. a leading \'-\' character) in its string representation,\n        // which would affect its lexiographical ordering.\n        var t = this.seconds - -62135596800;\n        // Note: Up to 12 decimal digits are required to represent all valid \'seconds\' values.\n                return String(t).padStart(12, "0") + "." + String(this.nanoseconds).padStart(9, "0");\n    }, t;\n}(), st = /** @class */ function() {\n    function t(t) {\n        this.timestamp = t;\n    }\n    return t.J = function(e) {\n        return new t(e);\n    }, t.min = function() {\n        return new t(new ot(0, 0));\n    }, t.prototype.L = function(t) {\n        return this.timestamp.Y(t.timestamp);\n    }, t.prototype.isEqual = function(t) {\n        return this.timestamp.isEqual(t.timestamp);\n    }, \n    /** Returns a number representation of the version for use in spec tests. */ t.prototype.X = function() {\n        // Convert to microseconds.\n        return 1e6 * this.timestamp.seconds + this.timestamp.nanoseconds / 1e3;\n    }, t.prototype.toString = function() {\n        return "SnapshotVersion(" + this.timestamp.toString() + ")";\n    }, t.prototype.Z = function() {\n        return this.timestamp;\n    }, t;\n}();\n\n/**\n * @license\n * Copyright 2017 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the "License");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an "AS IS" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/**\n * @license\n * Copyright 2017 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the "License");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an "AS IS" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/**\n * Returns whether a variable is either undefined or null.\n */\nfunction ut(t) {\n    return null == t;\n}\n\n/** Returns whether the value represents -0. */ function at(t) {\n    // Detect if the value is -0.0. Based on polyfill from\n    // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/is\n    return 0 === t && 1 / t == -1 / 0;\n}\n\n/**\n * Returns whether a value is an integer and in the safe integer range\n * @param value The value to test for being an integer and in the safe range\n */ function ct(t) {\n    return "number" == typeof t && Number.isInteger(t) && !at(t) && t <= Number.MAX_SAFE_INTEGER && t >= Number.MIN_SAFE_INTEGER;\n}\n\n/**\n * @license\n * Copyright 2019 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the "License");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an "AS IS" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n// Visible for testing\nvar ht = function(t, e, n, r, i, o, s) {\n    void 0 === e && (e = null), void 0 === n && (n = []), void 0 === r && (r = []), \n    void 0 === i && (i = null), void 0 === o && (o = null), void 0 === s && (s = null), \n    this.path = t, this.collectionGroup = e, this.orderBy = n, this.filters = r, this.limit = i, \n    this.startAt = o, this.endAt = s, this.tt = null;\n};\n\n/**\n * Initializes a Target with a path and optional additional query constraints.\n * Path must currently be empty if this is a collection group query.\n *\n * NOTE: you should always construct `Target` from `Query.toTarget` instead of\n * using this factory method, because `Query` provides an implicit `orderBy`\n * property.\n */ function ft(t, e, n, r, i, o, s) {\n    return void 0 === e && (e = null), void 0 === n && (n = []), void 0 === r && (r = []), \n    void 0 === i && (i = null), void 0 === o && (o = null), void 0 === s && (s = null), \n    new ht(t, e, n, r, i, o, s);\n}\n\nfunction lt(t) {\n    var e = m(t);\n    if (null === e.tt) {\n        var n = e.path.R();\n        null !== e.collectionGroup && (n += "|cg:" + e.collectionGroup), n += "|f:", n += e.filters.map((function(t) {\n            return function(t) {\n                // TODO(b/29183165): Technically, this won\'t be unique if two values have\n                // the same description, such as the int 3 and the string "3". So we should\n                // add the types in here somehow, too.\n                return t.field.R() + t.op.toString() + re(t.value);\n            }(t);\n        })).join(","), n += "|ob:", n += e.orderBy.map((function(t) {\n            return (e = t).field.R() + e.dir;\n            var e;\n        })).join(","), ut(e.limit) || (n += "|l:", n += e.limit), e.startAt && (n += "|lb:", \n        n += ar(e.startAt)), e.endAt && (n += "|ub:", n += ar(e.endAt)), e.tt = n;\n    }\n    return e.tt;\n}\n\nfunction pt(t, e) {\n    if (t.limit !== e.limit) return !1;\n    if (t.orderBy.length !== e.orderBy.length) return !1;\n    for (var n = 0; n < t.orderBy.length; n++) if (!pr(t.orderBy[n], e.orderBy[n])) return !1;\n    if (t.filters.length !== e.filters.length) return !1;\n    for (var r = 0; r < t.filters.length; r++) if (i = t.filters[r], o = e.filters[r], \n    i.op !== o.op || !i.field.isEqual(o.field) || !Zt(i.value, o.value)) return !1;\n    var i, o;\n    return t.collectionGroup === e.collectionGroup && !!t.path.isEqual(e.path) && !!hr(t.startAt, e.startAt) && hr(t.endAt, e.endAt);\n}\n\nfunction dt(t) {\n    return A.F(t.path) && null === t.collectionGroup && 0 === t.filters.length;\n}\n\n/**\n * @license\n * Copyright 2017 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the "License");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an "AS IS" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/**\n * An immutable set of metadata that the local store tracks for each target.\n */ var vt, yt, gt = /** @class */ function() {\n    function t(\n    /** The target being listened to. */\n    t, \n    /**\n     * The target ID to which the target corresponds; Assigned by the\n     * LocalStore for user listens and by the SyncEngine for limbo watches.\n     */\n    e, \n    /** The purpose of the target. */\n    n, \n    /**\n     * The sequence number of the last transaction during which this target data\n     * was modified.\n     */\n    r, \n    /** The latest snapshot version seen for this target. */\n    i\n    /**\n     * The maximum snapshot version at which the associated view\n     * contained no limbo documents.\n     */ , o\n    /**\n     * An opaque, server-assigned token that allows watching a target to be\n     * resumed after disconnecting without retransmitting all the data that\n     * matches the target. The resume token essentially identifies a point in\n     * time from which the server should resume sending results.\n     */ , s) {\n        void 0 === i && (i = st.min()), void 0 === o && (o = st.min()), void 0 === s && (s = X.B), \n        this.target = t, this.targetId = e, this.et = n, this.sequenceNumber = r, this.nt = i, \n        this.lastLimboFreeSnapshotVersion = o, this.resumeToken = s;\n    }\n    /** Creates a new target data instance with an updated sequence number. */    return t.prototype.st = function(e) {\n        return new t(this.target, this.targetId, this.et, e, this.nt, this.lastLimboFreeSnapshotVersion, this.resumeToken);\n    }, \n    /**\n     * Creates a new target data instance with an updated resume token and\n     * snapshot version.\n     */\n    t.prototype.it = function(e, n) {\n        return new t(this.target, this.targetId, this.et, this.sequenceNumber, n, this.lastLimboFreeSnapshotVersion, e);\n    }, \n    /**\n     * Creates a new target data instance with an updated last limbo free\n     * snapshot version number.\n     */\n    t.prototype.rt = function(e) {\n        return new t(this.target, this.targetId, this.et, this.sequenceNumber, this.nt, e, this.resumeToken);\n    }, t;\n}(), mt = \n// TODO(b/33078163): just use simplest form of existence filter for now\nfunction(t) {\n    this.count = t;\n};\n\n/**\n * @license\n * Copyright 2017 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the "License");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an "AS IS" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/**\n * Determines whether an error code represents a permanent error when received\n * in response to a non-write operation.\n *\n * See isPermanentWriteError for classifying write errors.\n */\nfunction wt(t) {\n    switch (t) {\n      case a.OK:\n        return y();\n\n      case a.CANCELLED:\n      case a.UNKNOWN:\n      case a.DEADLINE_EXCEEDED:\n      case a.RESOURCE_EXHAUSTED:\n      case a.INTERNAL:\n      case a.UNAVAILABLE:\n // Unauthenticated means something went wrong with our token and we need\n        // to retry with new credentials which will happen automatically.\n              case a.UNAUTHENTICATED:\n        return !1;\n\n      case a.INVALID_ARGUMENT:\n      case a.NOT_FOUND:\n      case a.ALREADY_EXISTS:\n      case a.PERMISSION_DENIED:\n      case a.FAILED_PRECONDITION:\n // Aborted might be retried in some scenarios, but that is dependant on\n        // the context and should handled individually by the calling code.\n        // See https://cloud.google.com/apis/design/errors.\n              case a.ABORTED:\n      case a.OUT_OF_RANGE:\n      case a.UNIMPLEMENTED:\n      case a.DATA_LOSS:\n        return !0;\n\n      default:\n        return y();\n    }\n}\n\n/**\n * Determines whether an error code represents a permanent error when received\n * in response to a write operation.\n *\n * Write operations must be handled specially because as of b/119437764, ABORTED\n * errors on the write stream should be retried too (even though ABORTED errors\n * are not generally retryable).\n *\n * Note that during the initial handshake on the write stream an ABORTED error\n * signals that we should discard our stream token (i.e. it is permanent). This\n * means a handshake error should be classified with isPermanentError, above.\n */\n/**\n * Maps an error Code from GRPC status code number, like 0, 1, or 14. These\n * are not the same as HTTP status codes.\n *\n * @returns The Code equivalent to the given GRPC status code. Fails if there\n *     is no match.\n */ function _t(t) {\n    if (void 0 === t) \n    // This shouldn\'t normally happen, but in certain error cases (like trying\n    // to send invalid proto messages) we may get an error with no GRPC code.\n    return p("GRPC error has no .code"), a.UNKNOWN;\n    switch (t) {\n      case vt.OK:\n        return a.OK;\n\n      case vt.CANCELLED:\n        return a.CANCELLED;\n\n      case vt.UNKNOWN:\n        return a.UNKNOWN;\n\n      case vt.DEADLINE_EXCEEDED:\n        return a.DEADLINE_EXCEEDED;\n\n      case vt.RESOURCE_EXHAUSTED:\n        return a.RESOURCE_EXHAUSTED;\n\n      case vt.INTERNAL:\n        return a.INTERNAL;\n\n      case vt.UNAVAILABLE:\n        return a.UNAVAILABLE;\n\n      case vt.UNAUTHENTICATED:\n        return a.UNAUTHENTICATED;\n\n      case vt.INVALID_ARGUMENT:\n        return a.INVALID_ARGUMENT;\n\n      case vt.NOT_FOUND:\n        return a.NOT_FOUND;\n\n      case vt.ALREADY_EXISTS:\n        return a.ALREADY_EXISTS;\n\n      case vt.PERMISSION_DENIED:\n        return a.PERMISSION_DENIED;\n\n      case vt.FAILED_PRECONDITION:\n        return a.FAILED_PRECONDITION;\n\n      case vt.ABORTED:\n        return a.ABORTED;\n\n      case vt.OUT_OF_RANGE:\n        return a.OUT_OF_RANGE;\n\n      case vt.UNIMPLEMENTED:\n        return a.UNIMPLEMENTED;\n\n      case vt.DATA_LOSS:\n        return a.DATA_LOSS;\n\n      default:\n        return y();\n    }\n}\n\n/**\n * Converts an HTTP response\'s error status to the equivalent error code.\n *\n * @param status An HTTP error response status ("FAILED_PRECONDITION",\n * "UNKNOWN", etc.)\n * @returns The equivalent Code. Non-matching responses are mapped to\n *     Code.UNKNOWN.\n */ (yt = vt || (vt = {}))[yt.OK = 0] = "OK", yt[yt.CANCELLED = 1] = "CANCELLED", \nyt[yt.UNKNOWN = 2] = "UNKNOWN", yt[yt.INVALID_ARGUMENT = 3] = "INVALID_ARGUMENT", \nyt[yt.DEADLINE_EXCEEDED = 4] = "DEADLINE_EXCEEDED", yt[yt.NOT_FOUND = 5] = "NOT_FOUND", \nyt[yt.ALREADY_EXISTS = 6] = "ALREADY_EXISTS", yt[yt.PERMISSION_DENIED = 7] = "PERMISSION_DENIED", \nyt[yt.UNAUTHENTICATED = 16] = "UNAUTHENTICATED", yt[yt.RESOURCE_EXHAUSTED = 8] = "RESOURCE_EXHAUSTED", \nyt[yt.FAILED_PRECONDITION = 9] = "FAILED_PRECONDITION", yt[yt.ABORTED = 10] = "ABORTED", \nyt[yt.OUT_OF_RANGE = 11] = "OUT_OF_RANGE", yt[yt.UNIMPLEMENTED = 12] = "UNIMPLEMENTED", \nyt[yt.INTERNAL = 13] = "INTERNAL", yt[yt.UNAVAILABLE = 14] = "UNAVAILABLE", yt[yt.DATA_LOSS = 15] = "DATA_LOSS";\n\n/**\n * @license\n * Copyright 2017 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the "License");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an "AS IS" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n// An immutable sorted map implementation, based on a Left-leaning Red-Black\n// tree.\nvar bt = /** @class */ function() {\n    function t(t, e) {\n        this.i = t, this.root = e || Et.EMPTY;\n    }\n    // Returns a copy of the map, with the specified key/value added or replaced.\n        return t.prototype.ot = function(e, n) {\n        return new t(this.i, this.root.ot(e, n, this.i).copy(null, null, Et.at, null, null));\n    }, \n    // Returns a copy of the map, with the specified key removed.\n    t.prototype.remove = function(e) {\n        return new t(this.i, this.root.remove(e, this.i).copy(null, null, Et.at, null, null));\n    }, \n    // Returns the value of the node with the given key, or null.\n    t.prototype.get = function(t) {\n        for (var e = this.root; !e.m(); ) {\n            var n = this.i(t, e.key);\n            if (0 === n) return e.value;\n            n < 0 ? e = e.left : n > 0 && (e = e.right);\n        }\n        return null;\n    }, \n    // Returns the index of the element in this sorted map, or -1 if it doesn\'t\n    // exist.\n    t.prototype.indexOf = function(t) {\n        for (\n        // Number of nodes that were pruned when descending right\n        var e = 0, n = this.root; !n.m(); ) {\n            var r = this.i(t, n.key);\n            if (0 === r) return e + n.left.size;\n            r < 0 ? n = n.left : (\n            // Count all nodes left of the node plus the node itself\n            e += n.left.size + 1, n = n.right);\n        }\n        // Node not found\n                return -1;\n    }, t.prototype.m = function() {\n        return this.root.m();\n    }, Object.defineProperty(t.prototype, "size", {\n        // Returns the total number of nodes in the map.\n        get: function() {\n            return this.root.size;\n        },\n        enumerable: !1,\n        configurable: !0\n    }), \n    // Returns the minimum key in the map.\n    t.prototype.ct = function() {\n        return this.root.ct();\n    }, \n    // Returns the maximum key in the map.\n    t.prototype.ut = function() {\n        return this.root.ut();\n    }, \n    // Traverses the map in key order and calls the specified action function\n    // for each key/value pair. If action returns true, traversal is aborted.\n    // Returns the first truthy value returned by action, or the last falsey\n    // value returned by action.\n    t.prototype.ht = function(t) {\n        return this.root.ht(t);\n    }, t.prototype.forEach = function(t) {\n        this.ht((function(e, n) {\n            return t(e, n), !1;\n        }));\n    }, t.prototype.toString = function() {\n        var t = [];\n        return this.ht((function(e, n) {\n            return t.push(e + ":" + n), !1;\n        })), "{" + t.join(", ") + "}";\n    }, \n    // Traverses the map in reverse key order and calls the specified action\n    // function for each key/value pair. If action returns true, traversal is\n    // aborted.\n    // Returns the first truthy value returned by action, or the last falsey\n    // value returned by action.\n    t.prototype.lt = function(t) {\n        return this.root.lt(t);\n    }, \n    // Returns an iterator over the SortedMap.\n    t.prototype._t = function() {\n        return new It(this.root, null, this.i, !1);\n    }, t.prototype.ft = function(t) {\n        return new It(this.root, t, this.i, !1);\n    }, t.prototype.dt = function() {\n        return new It(this.root, null, this.i, !0);\n    }, t.prototype.wt = function(t) {\n        return new It(this.root, t, this.i, !0);\n    }, t;\n}(), It = /** @class */ function() {\n    function t(t, e, n, r) {\n        this.Tt = r, this.Et = [];\n        for (var i = 1; !t.m(); ) if (i = e ? n(t.key, e) : 1, \n        // flip the comparison if we\'re going in reverse\n        r && (i *= -1), i < 0) \n        // This node is less than our start key. ignore it\n        t = this.Tt ? t.left : t.right; else {\n            if (0 === i) {\n                // This node is exactly equal to our start key. Push it on the stack,\n                // but stop iterating;\n                this.Et.push(t);\n                break;\n            }\n            // This node is greater than our start key, add it to the stack and move\n            // to the next one\n                        this.Et.push(t), t = this.Tt ? t.right : t.left;\n        }\n    }\n    return t.prototype.It = function() {\n        var t = this.Et.pop(), e = {\n            key: t.key,\n            value: t.value\n        };\n        if (this.Tt) for (t = t.left; !t.m(); ) this.Et.push(t), t = t.right; else for (t = t.right; !t.m(); ) this.Et.push(t), \n        t = t.left;\n        return e;\n    }, t.prototype.At = function() {\n        return this.Et.length > 0;\n    }, t.prototype.Rt = function() {\n        if (0 === this.Et.length) return null;\n        var t = this.Et[this.Et.length - 1];\n        return {\n            key: t.key,\n            value: t.value\n        };\n    }, t;\n}(), Et = /** @class */ function() {\n    function t(e, n, r, i, o) {\n        this.key = e, this.value = n, this.color = null != r ? r : t.RED, this.left = null != i ? i : t.EMPTY, \n        this.right = null != o ? o : t.EMPTY, this.size = this.left.size + 1 + this.right.size;\n    }\n    // Returns a copy of the current node, optionally replacing pieces of it.\n        return t.prototype.copy = function(e, n, r, i, o) {\n        return new t(null != e ? e : this.key, null != n ? n : this.value, null != r ? r : this.color, null != i ? i : this.left, null != o ? o : this.right);\n    }, t.prototype.m = function() {\n        return !1;\n    }, \n    // Traverses the tree in key order and calls the specified action function\n    // for each node. If action returns true, traversal is aborted.\n    // Returns the first truthy value returned by action, or the last falsey\n    // value returned by action.\n    t.prototype.ht = function(t) {\n        return this.left.ht(t) || t(this.key, this.value) || this.right.ht(t);\n    }, \n    // Traverses the tree in reverse key order and calls the specified action\n    // function for each node. If action returns true, traversal is aborted.\n    // Returns the first truthy value returned by action, or the last falsey\n    // value returned by action.\n    t.prototype.lt = function(t) {\n        return this.right.lt(t) || t(this.key, this.value) || this.left.lt(t);\n    }, \n    // Returns the minimum node in the tree.\n    t.prototype.min = function() {\n        return this.left.m() ? this : this.left.min();\n    }, \n    // Returns the maximum key in the tree.\n    t.prototype.ct = function() {\n        return this.min().key;\n    }, \n    // Returns the maximum key in the tree.\n    t.prototype.ut = function() {\n        return this.right.m() ? this.key : this.right.ut();\n    }, \n    // Returns new tree, with the key/value added.\n    t.prototype.ot = function(t, e, n) {\n        var r = this, i = n(t, r.key);\n        return (r = i < 0 ? r.copy(null, null, null, r.left.ot(t, e, n), null) : 0 === i ? r.copy(null, e, null, null, null) : r.copy(null, null, null, null, r.right.ot(t, e, n))).gt();\n    }, t.prototype.Pt = function() {\n        if (this.left.m()) return t.EMPTY;\n        var e = this;\n        return e.left.yt() || e.left.left.yt() || (e = e.Vt()), (e = e.copy(null, null, null, e.left.Pt(), null)).gt();\n    }, \n    // Returns new tree, with the specified item removed.\n    t.prototype.remove = function(e, n) {\n        var r, i = this;\n        if (n(e, i.key) < 0) i.left.m() || i.left.yt() || i.left.left.yt() || (i = i.Vt()), \n        i = i.copy(null, null, null, i.left.remove(e, n), null); else {\n            if (i.left.yt() && (i = i.bt()), i.right.m() || i.right.yt() || i.right.left.yt() || (i = i.vt()), \n            0 === n(e, i.key)) {\n                if (i.right.m()) return t.EMPTY;\n                r = i.right.min(), i = i.copy(r.key, r.value, null, null, i.right.Pt());\n            }\n            i = i.copy(null, null, null, null, i.right.remove(e, n));\n        }\n        return i.gt();\n    }, t.prototype.yt = function() {\n        return this.color;\n    }, \n    // Returns new tree after performing any needed rotations.\n    t.prototype.gt = function() {\n        var t = this;\n        return t.right.yt() && !t.left.yt() && (t = t.St()), t.left.yt() && t.left.left.yt() && (t = t.bt()), \n        t.left.yt() && t.right.yt() && (t = t.Dt()), t;\n    }, t.prototype.Vt = function() {\n        var t = this.Dt();\n        return t.right.left.yt() && (t = (t = (t = t.copy(null, null, null, null, t.right.bt())).St()).Dt()), \n        t;\n    }, t.prototype.vt = function() {\n        var t = this.Dt();\n        return t.left.left.yt() && (t = (t = t.bt()).Dt()), t;\n    }, t.prototype.St = function() {\n        var e = this.copy(null, null, t.RED, null, this.right.left);\n        return this.right.copy(null, null, this.color, e, null);\n    }, t.prototype.bt = function() {\n        var e = this.copy(null, null, t.RED, this.left.right, null);\n        return this.left.copy(null, null, this.color, null, e);\n    }, t.prototype.Dt = function() {\n        var t = this.left.copy(null, null, !this.left.color, null, null), e = this.right.copy(null, null, !this.right.color, null, null);\n        return this.copy(null, null, !this.color, t, e);\n    }, \n    // For testing.\n    t.prototype.Ct = function() {\n        var t = this.Nt();\n        return Math.pow(2, t) <= this.size + 1;\n    }, \n    // In a balanced RB tree, the black-depth (number of black nodes) from root to\n    // leaves is equal on both sides.  This function verifies that or asserts.\n    t.prototype.Nt = function() {\n        if (this.yt() && this.left.yt()) throw y();\n        if (this.right.yt()) throw y();\n        var t = this.left.Nt();\n        if (t !== this.right.Nt()) throw y();\n        return t + (this.yt() ? 0 : 1);\n    }, t;\n}();\n\n// end SortedMap\n// An iterator over an LLRBNode.\n// end LLRBNode\n// Empty node is shared between all LLRB trees.\n// eslint-disable-next-line @typescript-eslint/no-explicit-any\nEt.EMPTY = null, Et.RED = !0, Et.at = !1, \n// end LLRBEmptyNode\nEt.EMPTY = new (/** @class */ function() {\n    function t() {\n        this.size = 0;\n    }\n    return Object.defineProperty(t.prototype, "key", {\n        get: function() {\n            throw y();\n        },\n        enumerable: !1,\n        configurable: !0\n    }), Object.defineProperty(t.prototype, "value", {\n        get: function() {\n            throw y();\n        },\n        enumerable: !1,\n        configurable: !0\n    }), Object.defineProperty(t.prototype, "color", {\n        get: function() {\n            throw y();\n        },\n        enumerable: !1,\n        configurable: !0\n    }), Object.defineProperty(t.prototype, "left", {\n        get: function() {\n            throw y();\n        },\n        enumerable: !1,\n        configurable: !0\n    }), Object.defineProperty(t.prototype, "right", {\n        get: function() {\n            throw y();\n        },\n        enumerable: !1,\n        configurable: !0\n    }), \n    // Returns a copy of the current node.\n    t.prototype.copy = function(t, e, n, r, i) {\n        return this;\n    }, \n    // Returns a copy of the tree, with the specified key/value added.\n    t.prototype.ot = function(t, e, n) {\n        return new Et(t, e);\n    }, \n    // Returns a copy of the tree, with the specified key removed.\n    t.prototype.remove = function(t, e) {\n        return this;\n    }, t.prototype.m = function() {\n        return !0;\n    }, t.prototype.ht = function(t) {\n        return !1;\n    }, t.prototype.lt = function(t) {\n        return !1;\n    }, t.prototype.ct = function() {\n        return null;\n    }, t.prototype.ut = function() {\n        return null;\n    }, t.prototype.yt = function() {\n        return !1;\n    }, \n    // For testing.\n    t.prototype.Ct = function() {\n        return !0;\n    }, t.prototype.Nt = function() {\n        return 0;\n    }, t;\n}());\n\n/**\n * @license\n * Copyright 2017 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the "License");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an "AS IS" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/**\n * SortedSet is an immutable (copy-on-write) collection that holds elements\n * in order specified by the provided comparator.\n *\n * NOTE: if provided comparator returns 0 for two elements, we consider them to\n * be equal!\n */\nvar Tt = /** @class */ function() {\n    function t(t) {\n        this.i = t, this.data = new bt(this.i);\n    }\n    return t.prototype.has = function(t) {\n        return null !== this.data.get(t);\n    }, t.prototype.first = function() {\n        return this.data.ct();\n    }, t.prototype.last = function() {\n        return this.data.ut();\n    }, Object.defineProperty(t.prototype, "size", {\n        get: function() {\n            return this.data.size;\n        },\n        enumerable: !1,\n        configurable: !0\n    }), t.prototype.indexOf = function(t) {\n        return this.data.indexOf(t);\n    }, \n    /** Iterates elements in order defined by "comparator" */ t.prototype.forEach = function(t) {\n        this.data.ht((function(e, n) {\n            return t(e), !1;\n        }));\n    }, \n    /** Iterates over `elem`s such that: range[0] <= elem < range[1]. */ t.prototype.Ft = function(t, e) {\n        for (var n = this.data.ft(t[0]); n.At(); ) {\n            var r = n.It();\n            if (this.i(r.key, t[1]) >= 0) return;\n            e(r.key);\n        }\n    }, \n    /**\n     * Iterates over `elem`s such that: start <= elem until false is returned.\n     */\n    t.prototype.xt = function(t, e) {\n        var n;\n        for (n = void 0 !== e ? this.data.ft(e) : this.data._t(); n.At(); ) if (!t(n.It().key)) return;\n    }, \n    /** Finds the least element greater than or equal to `elem`. */ t.prototype.$t = function(t) {\n        var e = this.data.ft(t);\n        return e.At() ? e.It().key : null;\n    }, t.prototype._t = function() {\n        return new Nt(this.data._t());\n    }, t.prototype.ft = function(t) {\n        return new Nt(this.data.ft(t));\n    }, \n    /** Inserts or updates an element */ t.prototype.add = function(t) {\n        return this.copy(this.data.remove(t).ot(t, !0));\n    }, \n    /** Deletes an element */ t.prototype.delete = function(t) {\n        return this.has(t) ? this.copy(this.data.remove(t)) : this;\n    }, t.prototype.m = function() {\n        return this.data.m();\n    }, t.prototype.kt = function(t) {\n        var e = this;\n        // Make sure `result` always refers to the larger one of the two sets.\n                return e.size < t.size && (e = t, t = this), t.forEach((function(t) {\n            e = e.add(t);\n        })), e;\n    }, t.prototype.isEqual = function(e) {\n        if (!(e instanceof t)) return !1;\n        if (this.size !== e.size) return !1;\n        for (var n = this.data._t(), r = e.data._t(); n.At(); ) {\n            var i = n.It().key, o = r.It().key;\n            if (0 !== this.i(i, o)) return !1;\n        }\n        return !0;\n    }, t.prototype.A = function() {\n        var t = [];\n        return this.forEach((function(e) {\n            t.push(e);\n        })), t;\n    }, t.prototype.toString = function() {\n        var t = [];\n        return this.forEach((function(e) {\n            return t.push(e);\n        })), "SortedSet(" + t.toString() + ")";\n    }, t.prototype.copy = function(e) {\n        var n = new t(this.i);\n        return n.data = e, n;\n    }, t;\n}(), Nt = /** @class */ function() {\n    function t(t) {\n        this.Mt = t;\n    }\n    return t.prototype.It = function() {\n        return this.Mt.It().key;\n    }, t.prototype.At = function() {\n        return this.Mt.At();\n    }, t;\n}(), At = new bt(A.i);\n\nfunction St() {\n    return At;\n}\n\nfunction Dt() {\n    return St();\n}\n\nvar xt = new bt(A.i);\n\nfunction Lt() {\n    return xt;\n}\n\nvar kt = new bt(A.i), Rt = new Tt(A.i);\n\nfunction Ot() {\n    for (var t = [], e = 0; e < arguments.length; e++) t[e] = arguments[e];\n    for (var n = Rt, r = 0, i = t; r < i.length; r++) {\n        var o = i[r];\n        n = n.add(o);\n    }\n    return n;\n}\n\nvar Pt = new Tt(H);\n\nfunction Vt() {\n    return Pt;\n}\n\n/**\n * @license\n * Copyright 2017 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the "License");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an "AS IS" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/**\n * DocumentSet is an immutable (copy-on-write) collection that holds documents\n * in order specified by the provided comparator. We always add a document key\n * comparator on top of what is provided to guarantee document equality based on\n * the key.\n */ var Ut = /** @class */ function() {\n    /** The default ordering is by key if the comparator is omitted */\n    function t(t) {\n        // We are adding document key comparator to the end as it\'s the only\n        // guaranteed unique property of a document.\n        this.i = t ? function(e, n) {\n            return t(e, n) || A.i(e.key, n.key);\n        } : function(t, e) {\n            return A.i(t.key, e.key);\n        }, this.Ot = Lt(), this.Lt = new bt(this.i)\n        /**\n     * Returns an empty copy of the existing DocumentSet, using the same\n     * comparator.\n     */;\n    }\n    return t.Bt = function(e) {\n        return new t(e.i);\n    }, t.prototype.has = function(t) {\n        return null != this.Ot.get(t);\n    }, t.prototype.get = function(t) {\n        return this.Ot.get(t);\n    }, t.prototype.first = function() {\n        return this.Lt.ct();\n    }, t.prototype.last = function() {\n        return this.Lt.ut();\n    }, t.prototype.m = function() {\n        return this.Lt.m();\n    }, \n    /**\n     * Returns the index of the provided key in the document set, or -1 if the\n     * document key is not present in the set;\n     */\n    t.prototype.indexOf = function(t) {\n        var e = this.Ot.get(t);\n        return e ? this.Lt.indexOf(e) : -1;\n    }, Object.defineProperty(t.prototype, "size", {\n        get: function() {\n            return this.Lt.size;\n        },\n        enumerable: !1,\n        configurable: !0\n    }), \n    /** Iterates documents in order defined by "comparator" */ t.prototype.forEach = function(t) {\n        this.Lt.ht((function(e, n) {\n            return t(e), !1;\n        }));\n    }, \n    /** Inserts or updates a document with the same key */ t.prototype.add = function(t) {\n        // First remove the element if we have it.\n        var e = this.delete(t.key);\n        return e.copy(e.Ot.ot(t.key, t), e.Lt.ot(t, null));\n    }, \n    /** Deletes a document with a given key */ t.prototype.delete = function(t) {\n        var e = this.get(t);\n        return e ? this.copy(this.Ot.remove(t), this.Lt.remove(e)) : this;\n    }, t.prototype.isEqual = function(e) {\n        if (!(e instanceof t)) return !1;\n        if (this.size !== e.size) return !1;\n        for (var n = this.Lt._t(), r = e.Lt._t(); n.At(); ) {\n            var i = n.It().key, o = r.It().key;\n            if (!i.isEqual(o)) return !1;\n        }\n        return !0;\n    }, t.prototype.toString = function() {\n        var t = [];\n        return this.forEach((function(e) {\n            t.push(e.toString());\n        })), 0 === t.length ? "DocumentSet ()" : "DocumentSet (\\n  " + t.join("  \\n") + "\\n)";\n    }, t.prototype.copy = function(e, n) {\n        var r = new t;\n        return r.i = this.i, r.Ot = e, r.Lt = n, r;\n    }, t;\n}(), Ct = /** @class */ function() {\n    function t() {\n        this.qt = new bt(A.i);\n    }\n    return t.prototype.track = function(t) {\n        var e = t.doc.key, n = this.qt.get(e);\n        n ? \n        // Merge the new change with the existing change.\n        0 /* Added */ !== t.type && 3 /* Metadata */ === n.type ? this.qt = this.qt.ot(e, t) : 3 /* Metadata */ === t.type && 1 /* Removed */ !== n.type ? this.qt = this.qt.ot(e, {\n            type: n.type,\n            doc: t.doc\n        }) : 2 /* Modified */ === t.type && 2 /* Modified */ === n.type ? this.qt = this.qt.ot(e, {\n            type: 2 /* Modified */ ,\n            doc: t.doc\n        }) : 2 /* Modified */ === t.type && 0 /* Added */ === n.type ? this.qt = this.qt.ot(e, {\n            type: 0 /* Added */ ,\n            doc: t.doc\n        }) : 1 /* Removed */ === t.type && 0 /* Added */ === n.type ? this.qt = this.qt.remove(e) : 1 /* Removed */ === t.type && 2 /* Modified */ === n.type ? this.qt = this.qt.ot(e, {\n            type: 1 /* Removed */ ,\n            doc: n.doc\n        }) : 0 /* Added */ === t.type && 1 /* Removed */ === n.type ? this.qt = this.qt.ot(e, {\n            type: 2 /* Modified */ ,\n            doc: t.doc\n        }) : \n        // This includes these cases, which don\'t make sense:\n        // Added->Added\n        // Removed->Removed\n        // Modified->Added\n        // Removed->Modified\n        // Metadata->Added\n        // Removed->Metadata\n        y() : this.qt = this.qt.ot(e, t);\n    }, t.prototype.Ut = function() {\n        var t = [];\n        return this.qt.ht((function(e, n) {\n            t.push(n);\n        })), t;\n    }, t;\n}(), Ft = /** @class */ function() {\n    function t(t, e, n, r, i, o, s, u) {\n        this.query = t, this.docs = e, this.Qt = n, this.docChanges = r, this.Wt = i, this.fromCache = o, \n        this.jt = s, this.Kt = u\n        /** Returns a view snapshot as if all documents in the snapshot were added. */;\n    }\n    return t.Gt = function(e, n, r, i) {\n        var o = [];\n        return n.forEach((function(t) {\n            o.push({\n                type: 0 /* Added */ ,\n                doc: t\n            });\n        })), new t(e, n, Ut.Bt(n), o, r, i, \n        /* syncStateChanged= */ !0, \n        /* excludesMetadataChanges= */ !1);\n    }, Object.defineProperty(t.prototype, "hasPendingWrites", {\n        get: function() {\n            return !this.Wt.m();\n        },\n        enumerable: !1,\n        configurable: !0\n    }), t.prototype.isEqual = function(t) {\n        if (!(this.fromCache === t.fromCache && this.jt === t.jt && this.Wt.isEqual(t.Wt) && Qn(this.query, t.query) && this.docs.isEqual(t.docs) && this.Qt.isEqual(t.Qt))) return !1;\n        var e = this.docChanges, n = t.docChanges;\n        if (e.length !== n.length) return !1;\n        for (var r = 0; r < e.length; r++) if (e[r].type !== n[r].type || !e[r].doc.isEqual(n[r].doc)) return !1;\n        return !0;\n    }, t;\n}(), Mt = /** @class */ function() {\n    function t(\n    /**\n     * The snapshot version this event brings us up to, or MIN if not set.\n     */\n    t, \n    /**\n     * A map from target to changes to the target. See TargetChange.\n     */\n    e, \n    /**\n     * A set of targets that is known to be inconsistent. Listens for these\n     * targets should be re-established without resume tokens.\n     */\n    n, \n    /**\n     * A set of which documents have changed or been deleted, along with the\n     * doc\'s new values (if not deleted).\n     */\n    r, \n    /**\n     * A set of which document updates are due only to limbo resolution targets.\n     */\n    i) {\n        this.nt = t, this.zt = e, this.Ht = n, this.Yt = r, this.Jt = i;\n    }\n    /**\n     * HACK: Views require RemoteEvents in order to determine whether the view is\n     * CURRENT, but secondary tabs don\'t receive remote events. So this method is\n     * used to create a synthesized RemoteEvent that can be used to apply a\n     * CURRENT status change to a View, for queries executed in a different tab.\n     */\n    // PORTING NOTE: Multi-tab only\n        return t.Xt = function(e, n) {\n        var r = new Map;\n        return r.set(e, qt.Zt(e, n)), new t(st.min(), r, Vt(), St(), Ot());\n    }, t;\n}(), qt = /** @class */ function() {\n    function t(\n    /**\n     * An opaque, server-assigned token that allows watching a query to be resumed\n     * after disconnecting without retransmitting all the data that matches the\n     * query. The resume token essentially identifies a point in time from which\n     * the server should resume sending results.\n     */\n    t, \n    /**\n     * The "current" (synced) status of this target. Note that "current"\n     * has special meaning in the RPC protocol that implies that a target is\n     * both up-to-date and consistent with the rest of the watch stream.\n     */\n    e, \n    /**\n     * The set of documents that were newly assigned to this target as part of\n     * this remote event.\n     */\n    n, \n    /**\n     * The set of documents that were already assigned to this target but received\n     * an update during this remote event.\n     */\n    r, \n    /**\n     * The set of documents that were removed from this target as part of this\n     * remote event.\n     */\n    i) {\n        this.resumeToken = t, this.te = e, this.ee = n, this.ne = r, this.se = i\n        /**\n     * This method is used to create a synthesized TargetChanges that can be used to\n     * apply a CURRENT status change to a View (for queries executed in a different\n     * tab) or for new queries (to raise snapshots with correct CURRENT status).\n     */;\n    }\n    return t.Zt = function(e, n) {\n        return new t(X.B, n, Ot(), Ot(), Ot());\n    }, t;\n}(), jt = function(\n/** The new document applies to all of these targets. */\nt, \n/** The new document is removed from all of these targets. */\ne, \n/** The key of the document for this change. */\nn, \n/**\n     * The new document or NoDocument if it was deleted. Is null if the\n     * document went out of view without the server sending a new document.\n     */\nr) {\n    this.ie = t, this.removedTargetIds = e, this.key = n, this.re = r;\n}, Gt = function(t, e) {\n    this.targetId = t, this.oe = e;\n}, zt = function(\n/** What kind of change occurred to the watch target. */\nt, \n/** The target IDs that were added/removed/set. */\ne, \n/**\n     * An opaque, server-assigned token that allows watching a target to be\n     * resumed after disconnecting without retransmitting all the data that\n     * matches the target. The resume token essentially identifies a point in\n     * time from which the server should resume sending results.\n     */\nn\n/** An RPC error indicating why the watch failed. */ , r) {\n    void 0 === n && (n = X.B), void 0 === r && (r = null), this.state = t, this.targetIds = e, \n    this.resumeToken = n, this.cause = r;\n}, Bt = /** @class */ function() {\n    function t() {\n        /**\n         * The number of pending responses (adds or removes) that we are waiting on.\n         * We only consider targets active that have no pending responses.\n         */\n        this.ae = 0, \n        /**\n             * Keeps track of the document changes since the last raised snapshot.\n             *\n             * These changes are continuously updated as we receive document updates and\n             * always reflect the current set of changes against the last issued snapshot.\n             */\n        this.ce = Qt(), \n        /** See public getters for explanations of these fields. */\n        this.ue = X.B, this.he = !1, \n        /**\n             * Whether this target state should be included in the next snapshot. We\n             * initialize to true so that newly-added targets are included in the next\n             * RemoteEvent.\n             */\n        this.le = !0;\n    }\n    return Object.defineProperty(t.prototype, "te", {\n        /**\n         * Whether this target has been marked \'current\'.\n         *\n         * \'Current\' has special meaning in the RPC protocol: It implies that the\n         * Watch backend has sent us all changes up to the point at which the target\n         * was added and that the target is consistent with the rest of the watch\n         * stream.\n         */\n        get: function() {\n            return this.he;\n        },\n        enumerable: !1,\n        configurable: !0\n    }), Object.defineProperty(t.prototype, "resumeToken", {\n        /** The last resume token sent to us for this target. */ get: function() {\n            return this.ue;\n        },\n        enumerable: !1,\n        configurable: !0\n    }), Object.defineProperty(t.prototype, "_e", {\n        /** Whether this target has pending target adds or target removes. */ get: function() {\n            return 0 !== this.ae;\n        },\n        enumerable: !1,\n        configurable: !0\n    }), Object.defineProperty(t.prototype, "fe", {\n        /** Whether we have modified any state that should trigger a snapshot. */ get: function() {\n            return this.le;\n        },\n        enumerable: !1,\n        configurable: !0\n    }), \n    /**\n     * Applies the resume token to the TargetChange, but only when it has a new\n     * value. Empty resumeTokens are discarded.\n     */\n    t.prototype.de = function(t) {\n        t.O() > 0 && (this.le = !0, this.ue = t);\n    }, \n    /**\n     * Creates a target change from the current set of changes.\n     *\n     * To reset the document changes after raising this snapshot, call\n     * `clearPendingChanges()`.\n     */\n    t.prototype.we = function() {\n        var t = Ot(), e = Ot(), n = Ot();\n        return this.ce.forEach((function(r, i) {\n            switch (i) {\n              case 0 /* Added */ :\n                t = t.add(r);\n                break;\n\n              case 2 /* Modified */ :\n                e = e.add(r);\n                break;\n\n              case 1 /* Removed */ :\n                n = n.add(r);\n                break;\n\n              default:\n                y();\n            }\n        })), new qt(this.ue, this.he, t, e, n);\n    }, \n    /**\n     * Resets the document changes and sets `hasPendingChanges` to false.\n     */\n    t.prototype.me = function() {\n        this.le = !1, this.ce = Qt();\n    }, t.prototype.Te = function(t, e) {\n        this.le = !0, this.ce = this.ce.ot(t, e);\n    }, t.prototype.Ee = function(t) {\n        this.le = !0, this.ce = this.ce.remove(t);\n    }, t.prototype.Ie = function() {\n        this.ae += 1;\n    }, t.prototype.Ae = function() {\n        this.ae -= 1;\n    }, t.prototype.Re = function() {\n        this.le = !0, this.he = !0;\n    }, t;\n}(), Wt = /** @class */ function() {\n    function t(t) {\n        this.ge = t, \n        /** The internal state of all tracked targets. */\n        this.Pe = new Map, \n        /** Keeps track of the documents to update since the last raised snapshot. */\n        this.ye = St(), \n        /** A mapping of document keys to their set of target IDs. */\n        this.Ve = Kt(), \n        /**\n             * A list of targets with existence filter mismatches. These targets are\n             * known to be inconsistent and their listens needs to be re-established by\n             * RemoteStore.\n             */\n        this.pe = new Tt(H)\n        /**\n     * Processes and adds the DocumentWatchChange to the current set of changes.\n     */;\n    }\n    return t.prototype.be = function(t) {\n        for (var e = 0, n = t.ie; e < n.length; e++) {\n            var r = n[e];\n            t.re instanceof kn ? this.ve(r, t.re) : t.re instanceof Rn && this.Se(r, t.key, t.re);\n        }\n        for (var i = 0, o = t.removedTargetIds; i < o.length; i++) {\n            var s = o[i];\n            this.Se(s, t.key, t.re);\n        }\n    }, \n    /** Processes and adds the WatchTargetChange to the current set of changes. */ t.prototype.De = function(t) {\n        var e = this;\n        this.Ce(t, (function(n) {\n            var r = e.Ne(n);\n            switch (t.state) {\n              case 0 /* NoChange */ :\n                e.Fe(n) && r.de(t.resumeToken);\n                break;\n\n              case 1 /* Added */ :\n                // We need to decrement the number of pending acks needed from watch\n                // for this targetId.\n                r.Ae(), r._e || \n                // We have a freshly added target, so we need to reset any state\n                // that we had previously. This can happen e.g. when remove and add\n                // back a target for existence filter mismatches.\n                r.me(), r.de(t.resumeToken);\n                break;\n\n              case 2 /* Removed */ :\n                // We need to keep track of removed targets to we can post-filter and\n                // remove any target changes.\n                // We need to decrement the number of pending acks needed from watch\n                // for this targetId.\n                r.Ae(), r._e || e.removeTarget(n);\n                break;\n\n              case 3 /* Current */ :\n                e.Fe(n) && (r.Re(), r.de(t.resumeToken));\n                break;\n\n              case 4 /* Reset */ :\n                e.Fe(n) && (\n                // Reset the target and synthesizes removes for all existing\n                // documents. The backend will re-add any documents that still\n                // match the target before it sends the next global snapshot.\n                e.xe(n), r.de(t.resumeToken));\n                break;\n\n              default:\n                y();\n            }\n        }));\n    }, \n    /**\n     * Iterates over all targetIds that the watch change applies to: either the\n     * targetIds explicitly listed in the change or the targetIds of all currently\n     * active targets.\n     */\n    t.prototype.Ce = function(t, e) {\n        var n = this;\n        t.targetIds.length > 0 ? t.targetIds.forEach(e) : this.Pe.forEach((function(t, r) {\n            n.Fe(r) && e(r);\n        }));\n    }, \n    /**\n     * Handles existence filters and synthesizes deletes for filter mismatches.\n     * Targets that are invalidated by filter mismatches are added to\n     * `pendingTargetResets`.\n     */\n    t.prototype.$e = function(t) {\n        var e = t.targetId, n = t.oe.count, r = this.ke(e);\n        if (r) {\n            var i = r.target;\n            if (dt(i)) if (0 === n) {\n                // The existence filter told us the document does not exist. We deduce\n                // that this document does not exist and apply a deleted document to\n                // our updates. Without applying this deleted document there might be\n                // another query that will raise this document as part of a snapshot\n                // until it is resolved, essentially exposing inconsistency between\n                // queries.\n                var o = new A(i.path);\n                this.Se(e, o, new Rn(o, st.min()));\n            } else g(1 === n); else this.Me(e) !== n && (\n            // Existence filter mismatch: We reset the mapping and raise a new\n            // snapshot with `isFromCache:true`.\n            this.xe(e), this.pe = this.pe.add(e));\n        }\n    }, \n    /**\n     * Converts the currently accumulated state into a remote event at the\n     * provided snapshot version. Resets the accumulated changes before returning.\n     */\n    t.prototype.Oe = function(t) {\n        var e = this, n = new Map;\n        this.Pe.forEach((function(r, i) {\n            var o = e.ke(i);\n            if (o) {\n                if (r.te && dt(o.target)) {\n                    // Document queries for document that don\'t exist can produce an empty\n                    // result set. To update our local cache, we synthesize a document\n                    // delete if we have not previously received the document. This\n                    // resolves the limbo state of the document, removing it from\n                    // limboDocumentRefs.\n                    // TODO(dimond): Ideally we would have an explicit lookup target\n                    // instead resulting in an explicit delete message and we could\n                    // remove this special logic.\n                    var s = new A(o.target.path);\n                    null !== e.ye.get(s) || e.Le(i, s) || e.Se(i, s, new Rn(s, t));\n                }\n                r.fe && (n.set(i, r.we()), r.me());\n            }\n        }));\n        var r = Ot();\n        // We extract the set of limbo-only document updates as the GC logic\n        // special-cases documents that do not appear in the target cache.\n        // TODO(gsoltis): Expand on this comment once GC is available in the JS\n        // client.\n                this.Ve.forEach((function(t, n) {\n            var i = !0;\n            n.xt((function(t) {\n                var n = e.ke(t);\n                return !n || 2 /* LimboResolution */ === n.et || (i = !1, !1);\n            })), i && (r = r.add(t));\n        }));\n        var i = new Mt(t, n, this.pe, this.ye, r);\n        return this.ye = St(), this.Ve = Kt(), this.pe = new Tt(H), i;\n    }, \n    /**\n     * Adds the provided document to the internal list of document updates and\n     * its document key to the given target\'s mapping.\n     */\n    // Visible for testing.\n    t.prototype.ve = function(t, e) {\n        if (this.Fe(t)) {\n            var n = this.Le(t, e.key) ? 2 /* Modified */ : 0 /* Added */;\n            this.Ne(t).Te(e.key, n), this.ye = this.ye.ot(e.key, e), this.Ve = this.Ve.ot(e.key, this.Be(e.key).add(t));\n        }\n    }, \n    /**\n     * Removes the provided document from the target mapping. If the\n     * document no longer matches the target, but the document\'s state is still\n     * known (e.g. we know that the document was deleted or we received the change\n     * that caused the filter mismatch), the new document can be provided\n     * to update the remote document cache.\n     */\n    // Visible for testing.\n    t.prototype.Se = function(t, e, n) {\n        if (this.Fe(t)) {\n            var r = this.Ne(t);\n            this.Le(t, e) ? r.Te(e, 1 /* Removed */) : \n            // The document may have entered and left the target before we raised a\n            // snapshot, so we can just ignore the change.\n            r.Ee(e), this.Ve = this.Ve.ot(e, this.Be(e).delete(t)), n && (this.ye = this.ye.ot(e, n));\n        }\n    }, t.prototype.removeTarget = function(t) {\n        this.Pe.delete(t);\n    }, \n    /**\n     * Returns the current count of documents in the target. This includes both\n     * the number of documents that the LocalStore considers to be part of the\n     * target as well as any accumulated changes.\n     */\n    t.prototype.Me = function(t) {\n        var e = this.Ne(t).we();\n        return this.ge.qe(t).size + e.ee.size - e.se.size;\n    }, \n    /**\n     * Increment the number of acks needed from watch before we can consider the\n     * server to be \'in-sync\' with the client\'s active targets.\n     */\n    t.prototype.Ie = function(t) {\n        this.Ne(t).Ie();\n    }, t.prototype.Ne = function(t) {\n        var e = this.Pe.get(t);\n        return e || (e = new Bt, this.Pe.set(t, e)), e;\n    }, t.prototype.Be = function(t) {\n        var e = this.Ve.get(t);\n        return e || (e = new Tt(H), this.Ve = this.Ve.ot(t, e)), e;\n    }, \n    /**\n     * Verifies that the user is still interested in this target (by calling\n     * `getTargetDataForTarget()`) and that we are not waiting for pending ADDs\n     * from watch.\n     */\n    t.prototype.Fe = function(t) {\n        var e = null !== this.ke(t);\n        return e || l("WatchChangeAggregator", "Detected inactive target", t), e;\n    }, \n    /**\n     * Returns the TargetData for an active target (i.e. a target that the user\n     * is still interested in that has no outstanding target change requests).\n     */\n    t.prototype.ke = function(t) {\n        var e = this.Pe.get(t);\n        return e && e._e ? null : this.ge.Ue(t);\n    }, \n    /**\n     * Resets the state of a Watch target to its initial state (e.g. sets\n     * \'current\' to false, clears the resume token and removes its target mapping\n     * from all documents).\n     */\n    t.prototype.xe = function(t) {\n        var e = this;\n        this.Pe.set(t, new Bt), this.ge.qe(t).forEach((function(n) {\n            e.Se(t, n, /*updatedDocument=*/ null);\n        }));\n    }, \n    /**\n     * Returns whether the LocalStore considers the document to be part of the\n     * specified target.\n     */\n    t.prototype.Le = function(t, e) {\n        return this.ge.qe(t).has(e);\n    }, t;\n}();\n\n/**\n * @license\n * Copyright 2017 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the "License");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an "AS IS" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/**\n * DocumentChangeSet keeps track of a set of changes to docs in a query, merging\n * duplicate events for the same doc.\n */ function Kt() {\n    return new bt(A.i);\n}\n\nfunction Qt() {\n    return new bt(A.i);\n}\n\n/**\n * @license\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the "License");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an "AS IS" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/**\n * Represents a locally-applied ServerTimestamp.\n *\n * Server Timestamps are backed by MapValues that contain an internal field\n * `__type__` with a value of `server_timestamp`. The previous value and local\n * write time are stored in its `__previous_value__` and `__local_write_time__`\n * fields respectively.\n *\n * Notes:\n * - ServerTimestampValue instances are created as the result of applying a\n *   TransformMutation (see TransformMutation.applyTo()). They can only exist in\n *   the local view of a document. Therefore they do not need to be parsed or\n *   serialized.\n * - When evaluated locally (e.g. for snapshot.data()), they by default\n *   evaluate to `null`. This behavior can be configured by passing custom\n *   FieldValueOptions to value().\n * - With respect to other ServerTimestampValues, they sort by their\n *   localWriteTime.\n */ function Ht(t) {\n    var e, n;\n    return "server_timestamp" === (null === (n = ((null === (e = null == t ? void 0 : t.mapValue) || void 0 === e ? void 0 : e.fields) || {}).__type__) || void 0 === n ? void 0 : n.stringValue);\n}\n\n/**\n * Creates a new ServerTimestamp proto value (using the internal format).\n */\n/**\n * Returns the value of the field before this ServerTimestamp was set.\n *\n * Preserving the previous values allows the user to display the last resoled\n * value until the backend responds with the timestamp.\n */ function Yt(t) {\n    var e = t.mapValue.fields.__previous_value__;\n    return Ht(e) ? Yt(e) : e;\n}\n\n/**\n * Returns the local time at which this timestamp was first set.\n */ function $t(t) {\n    var e = oe(t.mapValue.fields.__local_write_time__.timestampValue);\n    return new ot(e.seconds, e.nanos);\n}\n\n/**\n * @license\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the "License");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an "AS IS" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n// A RegExp matching ISO 8601 UTC timestamps with optional fraction.\nvar Xt = new RegExp(/^\\d{4}-\\d\\d-\\d\\dT\\d\\d:\\d\\d:\\d\\d(?:\\.(\\d+))?Z$/);\n\n/** Extracts the backend\'s type order for the provided value. */ function Jt(t) {\n    return "nullValue" in t ? 0 /* NullValue */ : "booleanValue" in t ? 1 /* BooleanValue */ : "integerValue" in t || "doubleValue" in t ? 2 /* NumberValue */ : "timestampValue" in t ? 3 /* TimestampValue */ : "stringValue" in t ? 5 /* StringValue */ : "bytesValue" in t ? 6 /* BlobValue */ : "referenceValue" in t ? 7 /* RefValue */ : "geoPointValue" in t ? 8 /* GeoPointValue */ : "arrayValue" in t ? 9 /* ArrayValue */ : "mapValue" in t ? Ht(t) ? 4 /* ServerTimestampValue */ : 10 /* ObjectValue */ : y();\n}\n\n/** Tests `left` and `right` for equality based on the backend semantics. */ function Zt(t, e) {\n    var n = Jt(t);\n    if (n !== Jt(e)) return !1;\n    switch (n) {\n      case 0 /* NullValue */ :\n        return !0;\n\n      case 1 /* BooleanValue */ :\n        return t.booleanValue === e.booleanValue;\n\n      case 4 /* ServerTimestampValue */ :\n        return $t(t).isEqual($t(e));\n\n      case 3 /* TimestampValue */ :\n        return function(t, e) {\n            if ("string" == typeof t.timestampValue && "string" == typeof e.timestampValue && t.timestampValue.length === e.timestampValue.length) \n            // Use string equality for ISO 8601 timestamps\n            return t.timestampValue === e.timestampValue;\n            var n = oe(t.timestampValue), r = oe(e.timestampValue);\n            return n.seconds === r.seconds && n.nanos === r.nanos;\n        }(t, e);\n\n      case 5 /* StringValue */ :\n        return t.stringValue === e.stringValue;\n\n      case 6 /* BlobValue */ :\n        return function(t, e) {\n            return ue(t.bytesValue).isEqual(ue(e.bytesValue));\n        }(t, e);\n\n      case 7 /* RefValue */ :\n        return t.referenceValue === e.referenceValue;\n\n      case 8 /* GeoPointValue */ :\n        return function(t, e) {\n            return se(t.geoPointValue.latitude) === se(e.geoPointValue.latitude) && se(t.geoPointValue.longitude) === se(e.geoPointValue.longitude);\n        }(t, e);\n\n      case 2 /* NumberValue */ :\n        return function(t, e) {\n            if ("integerValue" in t && "integerValue" in e) return se(t.integerValue) === se(e.integerValue);\n            if ("doubleValue" in t && "doubleValue" in e) {\n                var n = se(t.doubleValue), r = se(e.doubleValue);\n                return n === r ? at(n) === at(r) : isNaN(n) && isNaN(r);\n            }\n            return !1;\n        }(t, e);\n\n      case 9 /* ArrayValue */ :\n        return Y(t.arrayValue.values || [], e.arrayValue.values || [], Zt);\n\n      case 10 /* ObjectValue */ :\n        return function(t, e) {\n            var n = t.mapValue.fields || {}, r = e.mapValue.fields || {};\n            if (w(n) !== w(r)) return !1;\n            for (var i in n) if (n.hasOwnProperty(i) && (void 0 === r[i] || !Zt(n[i], r[i]))) return !1;\n            return !0;\n        }(t, e);\n\n      default:\n        return y();\n    }\n}\n\nfunction te(t, e) {\n    return void 0 !== (t.values || []).find((function(t) {\n        return Zt(t, e);\n    }));\n}\n\nfunction ee(t, e) {\n    var n = Jt(t), r = Jt(e);\n    if (n !== r) return H(n, r);\n    switch (n) {\n      case 0 /* NullValue */ :\n        return 0;\n\n      case 1 /* BooleanValue */ :\n        return H(t.booleanValue, e.booleanValue);\n\n      case 2 /* NumberValue */ :\n        return function(t, e) {\n            var n = se(t.integerValue || t.doubleValue), r = se(e.integerValue || e.doubleValue);\n            return n < r ? -1 : n > r ? 1 : n === r ? 0 : \n            // one or both are NaN.\n            isNaN(n) ? isNaN(r) ? 0 : -1 : 1;\n        }(t, e);\n\n      case 3 /* TimestampValue */ :\n        return ne(t.timestampValue, e.timestampValue);\n\n      case 4 /* ServerTimestampValue */ :\n        return ne($t(t), $t(e));\n\n      case 5 /* StringValue */ :\n        return H(t.stringValue, e.stringValue);\n\n      case 6 /* BlobValue */ :\n        return function(t, e) {\n            var n = ue(t), r = ue(e);\n            return n.L(r);\n        }(t.bytesValue, e.bytesValue);\n\n      case 7 /* RefValue */ :\n        return function(t, e) {\n            for (var n = t.split("/"), r = e.split("/"), i = 0; i < n.length && i < r.length; i++) {\n                var o = H(n[i], r[i]);\n                if (0 !== o) return o;\n            }\n            return H(n.length, r.length);\n        }(t.referenceValue, e.referenceValue);\n\n      case 8 /* GeoPointValue */ :\n        return function(t, e) {\n            var n = H(se(t.latitude), se(e.latitude));\n            return 0 !== n ? n : H(se(t.longitude), se(e.longitude));\n        }(t.geoPointValue, e.geoPointValue);\n\n      case 9 /* ArrayValue */ :\n        return function(t, e) {\n            for (var n = t.values || [], r = e.values || [], i = 0; i < n.length && i < r.length; ++i) {\n                var o = ee(n[i], r[i]);\n                if (o) return o;\n            }\n            return H(n.length, r.length);\n        }(t.arrayValue, e.arrayValue);\n\n      case 10 /* ObjectValue */ :\n        return function(t, e) {\n            var n = t.fields || {}, r = Object.keys(n), i = e.fields || {}, o = Object.keys(i);\n            // Even though MapValues are likely sorted correctly based on their insertion\n            // order (e.g. when received from the backend), local modifications can bring\n            // elements out of order. We need to re-sort the elements to ensure that\n            // canonical IDs are independent of insertion order.\n                        r.sort(), o.sort();\n            for (var s = 0; s < r.length && s < o.length; ++s) {\n                var u = H(r[s], o[s]);\n                if (0 !== u) return u;\n                var a = ee(n[r[s]], i[o[s]]);\n                if (0 !== a) return a;\n            }\n            return H(r.length, o.length);\n        }(t.mapValue, e.mapValue);\n\n      default:\n        throw y();\n    }\n}\n\nfunction ne(t, e) {\n    if ("string" == typeof t && "string" == typeof e && t.length === e.length) return H(t, e);\n    var n = oe(t), r = oe(e), i = H(n.seconds, r.seconds);\n    return 0 !== i ? i : H(n.nanos, r.nanos);\n}\n\nfunction re(t) {\n    return ie(t);\n}\n\nfunction ie(t) {\n    return "nullValue" in t ? "null" : "booleanValue" in t ? "" + t.booleanValue : "integerValue" in t ? "" + t.integerValue : "doubleValue" in t ? "" + t.doubleValue : "timestampValue" in t ? function(t) {\n        var e = oe(t);\n        return "time(" + e.seconds + "," + e.nanos + ")";\n    }(t.timestampValue) : "stringValue" in t ? t.stringValue : "bytesValue" in t ? ue(t.bytesValue).toBase64() : "referenceValue" in t ? (n = t.referenceValue, \n    A.C(n).toString()) : "geoPointValue" in t ? "geo(" + (e = t.geoPointValue).latitude + "," + e.longitude + ")" : "arrayValue" in t ? function(t) {\n        for (var e = "[", n = !0, r = 0, i = t.values || []; r < i.length; r++) {\n            n ? n = !1 : e += ",", e += ie(i[r]);\n        }\n        return e + "]";\n    }(t.arrayValue) : "mapValue" in t ? function(t) {\n        for (\n        // Iteration order in JavaScript is not guaranteed. To ensure that we generate\n        // matching canonical IDs for identical maps, we need to sort the keys.\n        var e = "{", n = !0, r = 0, i = Object.keys(t.fields || {}).sort(); r < i.length; r++) {\n            var o = i[r];\n            n ? n = !1 : e += ",", e += o + ":" + ie(t.fields[o]);\n        }\n        return e + "}";\n    }(t.mapValue) : y();\n    var e, n;\n}\n\nfunction oe(t) {\n    // The json interface (for the browser) will return an iso timestamp string,\n    // while the proto js library (for node) will return a\n    // google.protobuf.Timestamp instance.\n    if (g(!!t), "string" == typeof t) {\n        // The date string can have higher precision (nanos) than the Date class\n        // (millis), so we do some custom parsing here.\n        // Parse the nanos right out of the string.\n        var e = 0, n = Xt.exec(t);\n        if (g(!!n), n[1]) {\n            // Pad the fraction out to 9 digits (nanos).\n            var r = n[1];\n            r = (r + "000000000").substr(0, 9), e = Number(r);\n        }\n        // Parse the date to get the seconds.\n                var i = new Date(t);\n        return {\n            seconds: Math.floor(i.getTime() / 1e3),\n            nanos: e\n        };\n    }\n    return {\n        seconds: se(t.seconds),\n        nanos: se(t.nanos)\n    };\n}\n\n/**\n * Converts the possible Proto types for numbers into a JavaScript number.\n * Returns 0 if the value is not numeric.\n */ function se(t) {\n    // TODO(bjornick): Handle int64 greater than 53 bits.\n    return "number" == typeof t ? t : "string" == typeof t ? Number(t) : 0;\n}\n\n/** Converts the possible Proto types for Blobs into a ByteString. */ function ue(t) {\n    return "string" == typeof t ? X.fromBase64String(t) : X.fromUint8Array(t);\n}\n\n/** Returns a reference value for the provided database and key. */ function ae(t, e) {\n    return {\n        referenceValue: "projects/" + t.projectId + "/databases/" + t.database + "/documents/" + e.path.R()\n    };\n}\n\n/** Returns true if `value` is an IntegerValue . */ function ce(t) {\n    return !!t && "integerValue" in t;\n}\n\n/** Returns true if `value` is a DoubleValue. */\n/** Returns true if `value` is an ArrayValue. */ function he(t) {\n    return !!t && "arrayValue" in t;\n}\n\n/** Returns true if `value` is a NullValue. */ function fe(t) {\n    return !!t && "nullValue" in t;\n}\n\n/** Returns true if `value` is NaN. */ function le(t) {\n    return !!t && "doubleValue" in t && isNaN(Number(t.doubleValue));\n}\n\n/** Returns true if `value` is a MapValue. */ function pe(t) {\n    return !!t && "mapValue" in t;\n}\n\n/**\n * @license\n * Copyright 2017 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the "License");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an "AS IS" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */ var de = {\n    asc: "ASCENDING",\n    desc: "DESCENDING"\n}, ve = {\n    "<": "LESS_THAN",\n    "<=": "LESS_THAN_OR_EQUAL",\n    ">": "GREATER_THAN",\n    ">=": "GREATER_THAN_OR_EQUAL",\n    "==": "EQUAL",\n    "!=": "NOT_EQUAL",\n    "array-contains": "ARRAY_CONTAINS",\n    in: "IN",\n    "not-in": "NOT_IN",\n    "array-contains-any": "ARRAY_CONTAINS_ANY"\n}, ye = function(t, e) {\n    this.U = t, this.Qe = e;\n};\n\n/**\n * This class generates JsonObject values for the Datastore API suitable for\n * sending to either GRPC stub methods or via the JSON/HTTP REST API.\n *\n * The serializer supports both Protobuf.js and Proto3 JSON formats. By\n * setting `useProto3Json` to true, the serializer will use the Proto3 JSON\n * format.\n *\n * For a description of the Proto3 JSON format check\n * https://developers.google.com/protocol-buffers/docs/proto3#json\n *\n * TODO(klimt): We can remove the databaseId argument if we keep the full\n * resource name in documents.\n */\n/**\n * Returns an IntegerValue for `value`.\n */\nfunction ge(t) {\n    return {\n        integerValue: "" + t\n    };\n}\n\n/**\n * Returns an DoubleValue for `value` that is encoded based the serializer\'s\n * `useProto3Json` setting.\n */ function me(t, e) {\n    if (t.Qe) {\n        if (isNaN(e)) return {\n            doubleValue: "NaN"\n        };\n        if (e === 1 / 0) return {\n            doubleValue: "Infinity"\n        };\n        if (e === -1 / 0) return {\n            doubleValue: "-Infinity"\n        };\n    }\n    return {\n        doubleValue: at(e) ? "-0" : e\n    };\n}\n\n/**\n * Returns a value for a number that\'s appropriate to put into a proto.\n * The return value is an IntegerValue if it can safely represent the value,\n * otherwise a DoubleValue is returned.\n */ function we(t, e) {\n    return ct(e) ? ge(e) : me(t, e);\n}\n\n/**\n * Returns a value for a Date that\'s appropriate to put into a proto.\n */ function _e(t, e) {\n    return t.Qe ? new Date(1e3 * e.seconds).toISOString().replace(/\\.\\d*/, "").replace("Z", "") + "." + ("000000000" + e.nanoseconds).slice(-9) + "Z" : {\n        seconds: "" + e.seconds,\n        nanos: e.nanoseconds\n    };\n}\n\n/**\n * Returns a value for bytes that\'s appropriate to put in a proto.\n *\n * Visible for testing.\n */ function be(t, e) {\n    return t.Qe ? e.toBase64() : e.toUint8Array();\n}\n\n/**\n * Returns a ByteString based on the proto string value.\n */ function Ie(t, e) {\n    return _e(t, e.Z());\n}\n\nfunction Ee(t) {\n    return g(!!t), st.J(function(t) {\n        var e = oe(t);\n        return new ot(e.seconds, e.nanos);\n    }(t));\n}\n\nfunction Te(t, e) {\n    return function(t) {\n        return new E([ "projects", t.projectId, "databases", t.database ]);\n    }(t).child("documents").child(e).R();\n}\n\nfunction Ne(t) {\n    var e = E.g(t);\n    return g(He(e)), e;\n}\n\nfunction Ae(t, e) {\n    return Te(t.U, e.path);\n}\n\nfunction Se(t, e) {\n    var n = Ne(e);\n    return g(n.get(1) === t.U.projectId), g(!n.get(3) && !t.U.database || n.get(3) === t.U.database), \n    new A(ke(n));\n}\n\nfunction De(t, e) {\n    return Te(t.U, e);\n}\n\nfunction xe(t) {\n    var e = Ne(t);\n    // In v1beta1 queries for collections at the root did not have a trailing\n    // "/documents". In v1 all resource paths contain "/documents". Preserve the\n    // ability to read the v1beta1 form for compatibility with queries persisted\n    // in the local target cache.\n        return 4 === e.length ? E.P() : ke(e);\n}\n\nfunction Le(t) {\n    return new E([ "projects", t.U.projectId, "databases", t.U.database ]).R();\n}\n\nfunction ke(t) {\n    return g(t.length > 4 && "documents" === t.get(4)), t.u(5)\n    /** Creates a Document proto from key and fields (but no create/update time) */;\n}\n\nfunction Re(t, e, n) {\n    return {\n        name: Ae(t, e),\n        fields: n.proto.mapValue.fields\n    };\n}\n\nfunction Oe(t, e) {\n    var n;\n    if (e instanceof wn) n = {\n        update: Re(t, e.key, e.value)\n    }; else if (e instanceof Nn) n = {\n        delete: Ae(t, e.key)\n    }; else if (e instanceof _n) n = {\n        update: Re(t, e.key, e.data),\n        updateMask: Qe(e.We)\n    }; else if (e instanceof In) n = {\n        transform: {\n            document: Ae(t, e.key),\n            fieldTransforms: e.fieldTransforms.map((function(t) {\n                return function(t, e) {\n                    var n = e.transform;\n                    if (n instanceof Ze) return {\n                        fieldPath: e.field.R(),\n                        setToServerValue: "REQUEST_TIME"\n                    };\n                    if (n instanceof tn) return {\n                        fieldPath: e.field.R(),\n                        appendMissingElements: {\n                            values: n.elements\n                        }\n                    };\n                    if (n instanceof nn) return {\n                        fieldPath: e.field.R(),\n                        removeAllFromArray: {\n                            values: n.elements\n                        }\n                    };\n                    if (n instanceof on) return {\n                        fieldPath: e.field.R(),\n                        increment: n.je\n                    };\n                    throw y();\n                }(0, t);\n            }))\n        }\n    }; else {\n        if (!(e instanceof An)) return y();\n        n = {\n            verify: Ae(t, e.key)\n        };\n    }\n    return e.Ge.Ke || (n.currentDocument = function(t, e) {\n        return void 0 !== e.updateTime ? {\n            updateTime: Ie(t, e.updateTime)\n        } : void 0 !== e.exists ? {\n            exists: e.exists\n        } : y();\n    }(t, e.Ge)), n;\n}\n\nfunction Pe(t, e) {\n    var n = e.currentDocument ? function(t) {\n        return void 0 !== t.updateTime ? fn.updateTime(Ee(t.updateTime)) : void 0 !== t.exists ? fn.exists(t.exists) : fn.ze();\n    }(e.currentDocument) : fn.ze();\n    if (e.update) {\n        e.update.name;\n        var r = Se(t, e.update.name), i = new Sn({\n            mapValue: {\n                fields: e.update.fields\n            }\n        });\n        if (e.updateMask) {\n            var o = function(t) {\n                var e = t.fieldPaths || [];\n                return new an(e.map((function(t) {\n                    return N.S(t);\n                })));\n            }(e.updateMask);\n            return new _n(r, i, o, n);\n        }\n        return new wn(r, i, n);\n    }\n    if (e.delete) {\n        var s = Se(t, e.delete);\n        return new Nn(s, n);\n    }\n    if (e.transform) {\n        var u = Se(t, e.transform.document), a = e.transform.fieldTransforms.map((function(e) {\n            return function(t, e) {\n                var n = null;\n                if ("setToServerValue" in e) g("REQUEST_TIME" === e.setToServerValue), n = new Ze; else if ("appendMissingElements" in e) {\n                    var r = e.appendMissingElements.values || [];\n                    n = new tn(r);\n                } else if ("removeAllFromArray" in e) {\n                    var i = e.removeAllFromArray.values || [];\n                    n = new nn(i);\n                } else "increment" in e ? n = new on(t, e.increment) : y();\n                var o = N.S(e.fieldPath);\n                return new cn(o, n);\n            }(t, e);\n        }));\n        return g(!0 === n.exists), new In(u, a);\n    }\n    if (e.verify) {\n        var c = Se(t, e.verify);\n        return new An(c, n);\n    }\n    return y();\n}\n\nfunction Ve(t, e) {\n    return {\n        documents: [ De(t, e.path) ]\n    };\n}\n\nfunction Ue(t, e) {\n    // Dissect the path into parent, collectionId, and optional key filter.\n    var n = {\n        structuredQuery: {}\n    }, r = e.path;\n    null !== e.collectionGroup ? (n.parent = De(t, r), n.structuredQuery.from = [ {\n        collectionId: e.collectionGroup,\n        allDescendants: !0\n    } ]) : (n.parent = De(t, r.h()), n.structuredQuery.from = [ {\n        collectionId: r._()\n    } ]);\n    var i = function(t) {\n        if (0 !== t.length) {\n            var e = t.map((function(t) {\n                // visible for testing\n                return function(t) {\n                    if ("==" /* EQUAL */ === t.op) {\n                        if (le(t.value)) return {\n                            unaryFilter: {\n                                field: ze(t.field),\n                                op: "IS_NAN"\n                            }\n                        };\n                        if (fe(t.value)) return {\n                            unaryFilter: {\n                                field: ze(t.field),\n                                op: "IS_NULL"\n                            }\n                        };\n                    } else if ("!=" /* NOT_EQUAL */ === t.op) {\n                        if (le(t.value)) return {\n                            unaryFilter: {\n                                field: ze(t.field),\n                                op: "IS_NOT_NAN"\n                            }\n                        };\n                        if (fe(t.value)) return {\n                            unaryFilter: {\n                                field: ze(t.field),\n                                op: "IS_NOT_NULL"\n                            }\n                        };\n                    }\n                    return {\n                        fieldFilter: {\n                            field: ze(t.field),\n                            op: Ge(t.op),\n                            value: t.value\n                        }\n                    };\n                }(t);\n            }));\n            return 1 === e.length ? e[0] : {\n                compositeFilter: {\n                    op: "AND",\n                    filters: e\n                }\n            };\n        }\n    }(e.filters);\n    i && (n.structuredQuery.where = i);\n    var o = function(t) {\n        if (0 !== t.length) return t.map((function(t) {\n            // visible for testing\n            return function(t) {\n                return {\n                    field: ze(t.field),\n                    direction: je(t.dir)\n                };\n            }(t);\n        }));\n    }(e.orderBy);\n    o && (n.structuredQuery.orderBy = o);\n    var s = function(t, e) {\n        return t.Qe || ut(e) ? e : {\n            value: e\n        };\n    }(t, e.limit);\n    return null !== s && (n.structuredQuery.limit = s), e.startAt && (n.structuredQuery.startAt = Me(e.startAt)), \n    e.endAt && (n.structuredQuery.endAt = Me(e.endAt)), n;\n}\n\nfunction Ce(t) {\n    var e = xe(t.parent), n = t.structuredQuery, r = n.from ? n.from.length : 0, i = null;\n    if (r > 0) {\n        g(1 === r);\n        var o = n.from[0];\n        o.allDescendants ? i = o.collectionId : e = e.child(o.collectionId);\n    }\n    var s = [];\n    n.where && (s = Fe(n.where));\n    var u = [];\n    n.orderBy && (u = n.orderBy.map((function(t) {\n        return function(t) {\n            return new fr(Be(t.field), \n            // visible for testing\n            function(t) {\n                switch (t) {\n                  case "ASCENDING":\n                    return "asc" /* ASCENDING */;\n\n                  case "DESCENDING":\n                    return "desc" /* DESCENDING */;\n\n                  default:\n                    return;\n                }\n            }(t.direction));\n        }(t);\n    })));\n    var a = null;\n    n.limit && (a = function(t) {\n        var e;\n        return ut(e = "object" == typeof t ? t.value : t) ? null : e;\n    }(n.limit));\n    var c = null;\n    n.startAt && (c = qe(n.startAt));\n    var h = null;\n    return n.endAt && (h = qe(n.endAt)), zn(Vn(e, i, u, s, a, "F" /* First */ , c, h));\n}\n\nfunction Fe(t) {\n    return t ? void 0 !== t.unaryFilter ? [ Ke(t) ] : void 0 !== t.fieldFilter ? [ We(t) ] : void 0 !== t.compositeFilter ? t.compositeFilter.filters.map((function(t) {\n        return Fe(t);\n    })).reduce((function(t, e) {\n        return t.concat(e);\n    })) : y() : [];\n}\n\nfunction Me(t) {\n    return {\n        before: t.before,\n        values: t.position\n    };\n}\n\nfunction qe(t) {\n    var e = !!t.before, n = t.values || [];\n    return new ur(n, e);\n}\n\n// visible for testing\nfunction je(t) {\n    return de[t];\n}\n\nfunction Ge(t) {\n    return ve[t];\n}\n\nfunction ze(t) {\n    return {\n        fieldPath: t.R()\n    };\n}\n\nfunction Be(t) {\n    return N.S(t.fieldPath);\n}\n\nfunction We(t) {\n    return Jn.create(Be(t.fieldFilter.field), function(t) {\n        switch (t) {\n          case "EQUAL":\n            return "==" /* EQUAL */;\n\n          case "NOT_EQUAL":\n            return "!=" /* NOT_EQUAL */;\n\n          case "GREATER_THAN":\n            return ">" /* GREATER_THAN */;\n\n          case "GREATER_THAN_OR_EQUAL":\n            return ">=" /* GREATER_THAN_OR_EQUAL */;\n\n          case "LESS_THAN":\n            return "<" /* LESS_THAN */;\n\n          case "LESS_THAN_OR_EQUAL":\n            return "<=" /* LESS_THAN_OR_EQUAL */;\n\n          case "ARRAY_CONTAINS":\n            return "array-contains" /* ARRAY_CONTAINS */;\n\n          case "IN":\n            return "in" /* IN */;\n\n          case "NOT_IN":\n            return "not-in" /* NOT_IN */;\n\n          case "ARRAY_CONTAINS_ANY":\n            return "array-contains-any" /* ARRAY_CONTAINS_ANY */;\n\n          case "OPERATOR_UNSPECIFIED":\n          default:\n            return y();\n        }\n    }(t.fieldFilter.op), t.fieldFilter.value);\n}\n\nfunction Ke(t) {\n    switch (t.unaryFilter.op) {\n      case "IS_NAN":\n        var e = Be(t.unaryFilter.field);\n        return Jn.create(e, "==" /* EQUAL */ , {\n            doubleValue: NaN\n        });\n\n      case "IS_NULL":\n        var n = Be(t.unaryFilter.field);\n        return Jn.create(n, "==" /* EQUAL */ , {\n            nullValue: "NULL_VALUE"\n        });\n\n      case "IS_NOT_NAN":\n        var r = Be(t.unaryFilter.field);\n        return Jn.create(r, "!=" /* NOT_EQUAL */ , {\n            doubleValue: NaN\n        });\n\n      case "IS_NOT_NULL":\n        var i = Be(t.unaryFilter.field);\n        return Jn.create(i, "!=" /* NOT_EQUAL */ , {\n            nullValue: "NULL_VALUE"\n        });\n\n      case "OPERATOR_UNSPECIFIED":\n      default:\n        return y();\n    }\n}\n\nfunction Qe(t) {\n    var e = [];\n    return t.fields.forEach((function(t) {\n        return e.push(t.R());\n    })), {\n        fieldPaths: e\n    };\n}\n\nfunction He(t) {\n    // Resource names have at least 4 components (project ID, database ID)\n    return t.length >= 4 && "projects" === t.get(0) && "databases" === t.get(2);\n}\n\n/**\n * @license\n * Copyright 2018 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the "License");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an "AS IS" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/** Represents a transform within a TransformMutation. */ var Ye = function() {\n    // Make sure that the structural type of `TransformOperation` is unique.\n    // See https://github.com/microsoft/TypeScript/issues/5451\n    this.He = void 0;\n};\n\n/**\n * Computes the local transform result against the provided `previousValue`,\n * optionally using the provided localWriteTime.\n */ function $e(t, e, n) {\n    return t instanceof Ze ? function(t, e) {\n        var n = {\n            fields: {\n                __type__: {\n                    stringValue: "server_timestamp"\n                },\n                __local_write_time__: {\n                    timestampValue: {\n                        seconds: t.seconds,\n                        nanos: t.nanoseconds\n                    }\n                }\n            }\n        };\n        return e && (n.fields.__previous_value__ = e), {\n            mapValue: n\n        };\n    }(n, e) : t instanceof tn ? en(t, e) : t instanceof nn ? rn(t, e) : function(t, e) {\n        // PORTING NOTE: Since JavaScript\'s integer arithmetic is limited to 53 bit\n        // precision and resolves overflows by reducing precision, we do not\n        // manually cap overflows at 2^63.\n        var n = Je(t, e), r = sn(n) + sn(t.je);\n        return ce(n) && ce(t.je) ? ge(r) : me(t.serializer, r);\n    }(t, e);\n}\n\n/**\n * Computes a final transform result after the transform has been acknowledged\n * by the server, potentially using the server-provided transformResult.\n */ function Xe(t, e, n) {\n    // The server just sends null as the transform result for array operations,\n    // so we have to calculate a result the same as we do for local\n    // applications.\n    return t instanceof tn ? en(t, e) : t instanceof nn ? rn(t, e) : n;\n}\n\n/**\n * If this transform operation is not idempotent, returns the base value to\n * persist for this transform. If a base value is returned, the transform\n * operation is always applied to this base value, even if document has\n * already been updated.\n *\n * Base values provide consistent behavior for non-idempotent transforms and\n * allow us to return the same latency-compensated value even if the backend\n * has already applied the transform operation. The base value is null for\n * idempotent transforms, as they can be re-played even if the backend has\n * already applied them.\n *\n * @return a base value to store along with the mutation, or null for\n * idempotent transforms.\n */ function Je(t, e) {\n    return t instanceof on ? ce(n = e) || function(t) {\n        return !!t && "doubleValue" in t;\n    }(n) ? e : {\n        integerValue: 0\n    } : null;\n    var n;\n}\n\n/** Transforms a value into a server-generated timestamp. */ var Ze = /** @class */ function(e) {\n    function n() {\n        return null !== e && e.apply(this, arguments) || this;\n    }\n    return t.__extends(n, e), n;\n}(Ye), tn = /** @class */ function(e) {\n    function n(t) {\n        var n = this;\n        return (n = e.call(this) || this).elements = t, n;\n    }\n    return t.__extends(n, e), n;\n}(Ye);\n\n/** Transforms an array value via a union operation. */ function en(t, e) {\n    for (var n = un(e), r = function(t) {\n        n.some((function(e) {\n            return Zt(e, t);\n        })) || n.push(t);\n    }, i = 0, o = t.elements; i < o.length; i++) {\n        r(o[i]);\n    }\n    return {\n        arrayValue: {\n            values: n\n        }\n    };\n}\n\n/** Transforms an array value via a remove operation. */ var nn = /** @class */ function(e) {\n    function n(t) {\n        var n = this;\n        return (n = e.call(this) || this).elements = t, n;\n    }\n    return t.__extends(n, e), n;\n}(Ye);\n\nfunction rn(t, e) {\n    for (var n = un(e), r = function(t) {\n        n = n.filter((function(e) {\n            return !Zt(e, t);\n        }));\n    }, i = 0, o = t.elements; i < o.length; i++) {\n        r(o[i]);\n    }\n    return {\n        arrayValue: {\n            values: n\n        }\n    };\n}\n\n/**\n * Implements the backend semantics for locally computed NUMERIC_ADD (increment)\n * transforms. Converts all field values to integers or doubles, but unlike the\n * backend does not cap integer values at 2^63. Instead, JavaScript number\n * arithmetic is used and precision loss can occur for values greater than 2^53.\n */ var on = /** @class */ function(e) {\n    function n(t, n) {\n        var r = this;\n        return (r = e.call(this) || this).serializer = t, r.je = n, r;\n    }\n    return t.__extends(n, e), n;\n}(Ye);\n\nfunction sn(t) {\n    return se(t.integerValue || t.doubleValue);\n}\n\nfunction un(t) {\n    return he(t) && t.arrayValue.values ? t.arrayValue.values.slice() : [];\n}\n\n/**\n * @license\n * Copyright 2017 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the "License");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an "AS IS" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/**\n * Provides a set of fields that can be used to partially patch a document.\n * FieldMask is used in conjunction with ObjectValue.\n * Examples:\n *   foo - Overwrites foo entirely with the provided value. If foo is not\n *         present in the companion ObjectValue, the field is deleted.\n *   foo.bar - Overwrites only the field bar of the object foo.\n *             If foo is not an object, foo is replaced with an object\n *             containing foo\n */ var an = /** @class */ function() {\n    function t(t) {\n        this.fields = t, \n        // TODO(dimond): validation of FieldMask\n        // Sort the field mask to support `FieldMask.isEqual()` and assert below.\n        t.sort(N.i)\n        /**\n     * Verifies that `fieldPath` is included by at least one field in this field\n     * mask.\n     *\n     * This is an O(n) operation, where `n` is the size of the field mask.\n     */;\n    }\n    return t.prototype.Ye = function(t) {\n        for (var e = 0, n = this.fields; e < n.length; e++) {\n            if (n[e].T(t)) return !0;\n        }\n        return !1;\n    }, t.prototype.isEqual = function(t) {\n        return Y(this.fields, t.fields, (function(t, e) {\n            return t.isEqual(e);\n        }));\n    }, t;\n}(), cn = function(t, e) {\n    this.field = t, this.transform = e;\n};\n\n/** A field path and the TransformOperation to perform upon it. */\n/** The result of successfully applying a mutation to the backend. */ var hn = function(\n/**\n     * The version at which the mutation was committed:\n     *\n     * - For most operations, this is the updateTime in the WriteResult.\n     * - For deletes, the commitTime of the WriteResponse (because deletes are\n     *   not stored and have no updateTime).\n     *\n     * Note that these versions can be different: No-op writes will not change\n     * the updateTime even though the commitTime advances.\n     */\nt, \n/**\n     * The resulting fields returned from the backend after a\n     * TransformMutation has been committed. Contains one FieldValue for each\n     * FieldTransform that was in the mutation.\n     *\n     * Will be null if the mutation was not a TransformMutation.\n     */\ne) {\n    this.version = t, this.transformResults = e;\n}, fn = /** @class */ function() {\n    function t(t, e) {\n        this.updateTime = t, this.exists = e\n        /** Creates a new empty Precondition. */;\n    }\n    return t.ze = function() {\n        return new t;\n    }, \n    /** Creates a new Precondition with an exists flag. */ t.exists = function(e) {\n        return new t(void 0, e);\n    }, \n    /** Creates a new Precondition based on a version a document exists at. */ t.updateTime = function(e) {\n        return new t(e);\n    }, Object.defineProperty(t.prototype, "Ke", {\n        /** Returns whether this Precondition is empty. */ get: function() {\n            return void 0 === this.updateTime && void 0 === this.exists;\n        },\n        enumerable: !1,\n        configurable: !0\n    }), t.prototype.isEqual = function(t) {\n        return this.exists === t.exists && (this.updateTime ? !!t.updateTime && this.updateTime.isEqual(t.updateTime) : !t.updateTime);\n    }, t;\n}();\n\n/**\n * Encodes a precondition for a mutation. This follows the model that the\n * backend accepts with the special case of an explicit "empty" precondition\n * (meaning no precondition).\n */\n/**\n * Returns true if the preconditions is valid for the given document\n * (or null if no document is available).\n */\nfunction ln(t, e) {\n    return void 0 !== t.updateTime ? e instanceof kn && e.version.isEqual(t.updateTime) : void 0 === t.exists || t.exists === e instanceof kn;\n}\n\n/**\n * A mutation describes a self-contained change to a document. Mutations can\n * create, replace, delete, and update subsets of documents.\n *\n * Mutations not only act on the value of the document but also its version.\n *\n * For local mutations (mutations that haven\'t been committed yet), we preserve\n * the existing version for Set, Patch, and Transform mutations. For Delete\n * mutations, we reset the version to 0.\n *\n * Here\'s the expected transition table.\n *\n * MUTATION           APPLIED TO            RESULTS IN\n *\n * SetMutation        Document(v3)          Document(v3)\n * SetMutation        NoDocument(v3)        Document(v0)\n * SetMutation        null                  Document(v0)\n * PatchMutation      Document(v3)          Document(v3)\n * PatchMutation      NoDocument(v3)        NoDocument(v3)\n * PatchMutation      null                  null\n * TransformMutation  Document(v3)          Document(v3)\n * TransformMutation  NoDocument(v3)        NoDocument(v3)\n * TransformMutation  null                  null\n * DeleteMutation     Document(v3)          NoDocument(v0)\n * DeleteMutation     NoDocument(v3)        NoDocument(v0)\n * DeleteMutation     null                  NoDocument(v0)\n *\n * For acknowledged mutations, we use the updateTime of the WriteResponse as\n * the resulting version for Set, Patch, and Transform mutations. As deletes\n * have no explicit update time, we use the commitTime of the WriteResponse for\n * Delete mutations.\n *\n * If a mutation is acknowledged by the backend but fails the precondition check\n * locally, we return an `UnknownDocument` and rely on Watch to send us the\n * updated version.\n *\n * Note that TransformMutations don\'t create Documents (in the case of being\n * applied to a NoDocument), even though they would on the backend. This is\n * because the client always combines the TransformMutation with a SetMutation\n * or PatchMutation and we only want to apply the transform if the prior\n * mutation resulted in a Document (always true for a SetMutation, but not\n * necessarily for a PatchMutation).\n *\n * ## Subclassing Notes\n *\n * Subclasses of Mutation need to implement applyToRemoteDocument() and\n * applyToLocalView() to implement the actual behavior of applying the mutation\n * to some source document.\n */ var pn = function() {};\n\n/**\n * Applies this mutation to the given MaybeDocument or null for the purposes\n * of computing a new remote document. If the input document doesn\'t match the\n * expected state (e.g. it is null or outdated), an `UnknownDocument` can be\n * returned.\n *\n * @param mutation The mutation to apply.\n * @param maybeDoc The document to mutate. The input document can be null if\n *     the client has no knowledge of the pre-mutation state of the document.\n * @param mutationResult The result of applying the mutation from the backend.\n * @return The mutated document. The returned document may be an\n *     UnknownDocument if the mutation could not be applied to the locally\n *     cached base document.\n */ function dn(t, e, n) {\n    return t instanceof wn ? function(t, e, n) {\n        // Unlike applySetMutationToLocalView, if we\'re applying a mutation to a\n        // remote document the server has accepted the mutation so the precondition\n        // must have held.\n        return new kn(t.key, n.version, t.value, {\n            hasCommittedMutations: !0\n        });\n    }(t, 0, n) : t instanceof _n ? function(t, e, n) {\n        if (!ln(t.Ge, e)) \n        // Since the mutation was not rejected, we know that the  precondition\n        // matched on the backend. We therefore must not have the expected version\n        // of the document in our cache and return an UnknownDocument with the\n        // known updateTime.\n        return new On(t.key, n.version);\n        var r = bn(t, e);\n        return new kn(t.key, n.version, r, {\n            hasCommittedMutations: !0\n        });\n    }(t, e, n) : t instanceof In ? function(t, e, n) {\n        if (g(null != n.transformResults), !ln(t.Ge, e)) \n        // Since the mutation was not rejected, we know that the  precondition\n        // matched on the backend. We therefore must not have the expected version\n        // of the document in our cache and return an UnknownDocument with the\n        // known updateTime.\n        return new On(t.key, n.version);\n        var r = En(t, e), i = \n        /**\n * Creates a list of "transform results" (a transform result is a field value\n * representing the result of applying a transform) for use after a\n * TransformMutation has been acknowledged by the server.\n *\n * @param fieldTransforms The field transforms to apply the result to.\n * @param baseDoc The document prior to applying this mutation batch.\n * @param serverTransformResults The transform results received by the server.\n * @return The transform results list.\n */\n        function(t, e, n) {\n            var r = [];\n            g(t.length === n.length);\n            for (var i = 0; i < n.length; i++) {\n                var o = t[i], s = o.transform, u = null;\n                e instanceof kn && (u = e.field(o.field)), r.push(Xe(s, u, n[i]));\n            }\n            return r;\n        }(t.fieldTransforms, e, n.transformResults), o = n.version, s = Tn(t, r.data(), i);\n        return new kn(t.key, o, s, {\n            hasCommittedMutations: !0\n        });\n    }(t, e, n) : function(t, e, n) {\n        // Unlike applyToLocalView, if we\'re applying a mutation to a remote\n        // document the server has accepted the mutation so the precondition must\n        // have held.\n        return new Rn(t.key, n.version, {\n            hasCommittedMutations: !0\n        });\n    }(t, 0, n);\n}\n\n/**\n * Applies this mutation to the given MaybeDocument or null for the purposes\n * of computing the new local view of a document. Both the input and returned\n * documents can be null.\n *\n * @param mutation The mutation to apply.\n * @param maybeDoc The document to mutate. The input document can be null if\n *     the client has no knowledge of the pre-mutation state of the document.\n * @param baseDoc The state of the document prior to this mutation batch. The\n *     input document can be null if the client has no knowledge of the\n *     pre-mutation state of the document.\n * @param localWriteTime A timestamp indicating the local write time of the\n *     batch this mutation is a part of.\n * @return The mutated document. The returned document may be null, but only\n *     if maybeDoc was null and the mutation would not create a new document.\n */ function vn(t, e, n, r) {\n    return t instanceof wn ? function(t, e) {\n        if (!ln(t.Ge, e)) return e;\n        var n = mn(e);\n        return new kn(t.key, n, t.value, {\n            Je: !0\n        });\n    }(t, e) : t instanceof _n ? function(t, e) {\n        if (!ln(t.Ge, e)) return e;\n        var n = mn(e), r = bn(t, e);\n        return new kn(t.key, n, r, {\n            Je: !0\n        });\n    }(t, e) : t instanceof In ? function(t, e, n, r) {\n        if (!ln(t.Ge, e)) return e;\n        var i = En(t, e), o = function(t, e, n, r) {\n            for (var i = [], o = 0, s = t; o < s.length; o++) {\n                var u = s[o], a = u.transform, c = null;\n                n instanceof kn && (c = n.field(u.field)), null === c && r instanceof kn && (\n                // If the current document does not contain a value for the mutated\n                // field, use the value that existed before applying this mutation\n                // batch. This solves an edge case where a PatchMutation clears the\n                // values in a nested map before the TransformMutation is applied.\n                c = r.field(u.field)), i.push($e(a, c, e));\n            }\n            return i;\n        }(t.fieldTransforms, n, e, r), s = Tn(t, i.data(), o);\n        return new kn(t.key, i.version, s, {\n            Je: !0\n        });\n    }(t, e, r, n) : function(t, e) {\n        return ln(t.Ge, e) ? new Rn(t.key, st.min()) : e;\n    }(t, e);\n}\n\n/**\n * If this mutation is not idempotent, returns the base value to persist with\n * this mutation. If a base value is returned, the mutation is always applied\n * to this base value, even if document has already been updated.\n *\n * The base value is a sparse object that consists of only the document\n * fields for which this mutation contains a non-idempotent transformation\n * (e.g. a numeric increment). The provided value guarantees consistent\n * behavior for non-idempotent transforms and allow us to return the same\n * latency-compensated value even if the backend has already applied the\n * mutation. The base value is null for idempotent mutations, as they can be\n * re-played even if the backend has already applied them.\n *\n * @return a base value to store along with the mutation, or null for\n * idempotent mutations.\n */ function yn(t, e) {\n    return t instanceof In ? function(t, e) {\n        for (var n = null, r = 0, i = t.fieldTransforms; r < i.length; r++) {\n            var o = i[r], s = e instanceof kn ? e.field(o.field) : void 0, u = Je(o.transform, s || null);\n            null != u && (n = null == n ? (new Dn).set(o.field, u) : n.set(o.field, u));\n        }\n        return n ? n.Xe() : null;\n    }(t, e) : null;\n}\n\nfunction gn(t, e) {\n    return t.type === e.type && !!t.key.isEqual(e.key) && !!t.Ge.isEqual(e.Ge) && (0 /* Set */ === t.type ? t.value.isEqual(e.value) : 1 /* Patch */ === t.type ? t.data.isEqual(e.data) && t.We.isEqual(e.We) : 2 /* Transform */ !== t.type || Y(t.fieldTransforms, t.fieldTransforms, (function(t, e) {\n        return function(t, e) {\n            return t.field.isEqual(e.field) && function(t, e) {\n                return t instanceof tn && e instanceof tn || t instanceof nn && e instanceof nn ? Y(t.elements, e.elements, Zt) : t instanceof on && e instanceof on ? Zt(t.je, e.je) : t instanceof Ze && e instanceof Ze;\n            }(t.transform, e.transform);\n        }(t, e);\n    })));\n}\n\n/**\n * Returns the version from the given document for use as the result of a\n * mutation. Mutations are defined to return the version of the base document\n * only if it is an existing document. Deleted and unknown documents have a\n * post-mutation version of SnapshotVersion.min().\n */ function mn(t) {\n    return t instanceof kn ? t.version : st.min();\n}\n\n/**\n * A mutation that creates or replaces the document at the given key with the\n * object value contents.\n */ var wn = /** @class */ function(e) {\n    function n(t, n, r) {\n        var i = this;\n        return (i = e.call(this) || this).key = t, i.value = n, i.Ge = r, i.type = 0 /* Set */ , \n        i;\n    }\n    return t.__extends(n, e), n;\n}(pn), _n = /** @class */ function(e) {\n    function n(t, n, r, i) {\n        var o = this;\n        return (o = e.call(this) || this).key = t, o.data = n, o.We = r, o.Ge = i, o.type = 1 /* Patch */ , \n        o;\n    }\n    return t.__extends(n, e), n;\n}(pn);\n\nfunction bn(t, e) {\n    return function(t, e) {\n        var n = new Dn(e);\n        return t.We.fields.forEach((function(e) {\n            if (!e.m()) {\n                var r = t.data.field(e);\n                null !== r ? n.set(e, r) : n.delete(e);\n            }\n        })), n.Xe();\n    }(t, e instanceof kn ? e.data() : Sn.empty());\n}\n\nvar In = /** @class */ function(e) {\n    function n(t, n) {\n        var r = this;\n        return (r = e.call(this) || this).key = t, r.fieldTransforms = n, r.type = 2 /* Transform */ , \n        // NOTE: We set a precondition of exists: true as a safety-check, since we\n        // always combine TransformMutations with a SetMutation or PatchMutation which\n        // (if successful) should end up with an existing document.\n        r.Ge = fn.exists(!0), r;\n    }\n    return t.__extends(n, e), n;\n}(pn);\n\nfunction En(t, e) {\n    return e;\n}\n\nfunction Tn(t, e, n) {\n    for (var r = new Dn(e), i = 0; i < t.fieldTransforms.length; i++) {\n        var o = t.fieldTransforms[i];\n        r.set(o.field, n[i]);\n    }\n    return r.Xe();\n}\n\n/** A mutation that deletes the document at the given key. */ var Nn = /** @class */ function(e) {\n    function n(t, n) {\n        var r = this;\n        return (r = e.call(this) || this).key = t, r.Ge = n, r.type = 3 /* Delete */ , r;\n    }\n    return t.__extends(n, e), n;\n}(pn), An = /** @class */ function(e) {\n    function n(t, n) {\n        var r = this;\n        return (r = e.call(this) || this).key = t, r.Ge = n, r.type = 4 /* Verify */ , r;\n    }\n    return t.__extends(n, e), n;\n}(pn), Sn = /** @class */ function() {\n    function t(t) {\n        this.proto = t;\n    }\n    return t.empty = function() {\n        return new t({\n            mapValue: {}\n        });\n    }, \n    /**\n     * Returns the value at the given path or null.\n     *\n     * @param path the path to search\n     * @return The value at the path or if there it doesn\'t exist.\n     */\n    t.prototype.field = function(t) {\n        if (t.m()) return this.proto;\n        for (var e = this.proto, n = 0; n < t.length - 1; ++n) {\n            if (!e.mapValue.fields) return null;\n            if (!pe(e = e.mapValue.fields[t.get(n)])) return null;\n        }\n        return (e = (e.mapValue.fields || {})[t._()]) || null;\n    }, t.prototype.isEqual = function(t) {\n        return Zt(this.proto, t.proto);\n    }, t;\n}(), Dn = /** @class */ function() {\n    /**\n     * @param baseObject The object to mutate.\n     */\n    function t(t) {\n        void 0 === t && (t = Sn.empty()), this.Ze = t, \n        /** A map that contains the accumulated changes in this builder. */\n        this.tn = new Map;\n    }\n    /**\n     * Sets the field to the provided value.\n     *\n     * @param path The field path to set.\n     * @param value The value to set.\n     * @return The current Builder instance.\n     */    return t.prototype.set = function(t, e) {\n        return this.en(t, e), this;\n    }, \n    /**\n     * Removes the field at the specified path. If there is no field at the\n     * specified path, nothing is changed.\n     *\n     * @param path The field path to remove.\n     * @return The current Builder instance.\n     */\n    t.prototype.delete = function(t) {\n        return this.en(t, null), this;\n    }, \n    /**\n     * Adds `value` to the overlay map at `path`. Creates nested map entries if\n     * needed.\n     */\n    t.prototype.en = function(t, e) {\n        for (var n = this.tn, r = 0; r < t.length - 1; ++r) {\n            var i = t.get(r), o = n.get(i);\n            o instanceof Map ? \n            // Re-use a previously created map\n            n = o : o && 10 /* ObjectValue */ === Jt(o) ? (\n            // Convert the existing Protobuf MapValue into a map\n            o = new Map(Object.entries(o.mapValue.fields || {})), n.set(i, o), n = o) : (\n            // Create an empty map to represent the current nesting level\n            o = new Map, n.set(i, o), n = o);\n        }\n        n.set(t._(), e);\n    }, \n    /** Returns an ObjectValue with all mutations applied. */ t.prototype.Xe = function() {\n        var t = this.nn(N.P(), this.tn);\n        return null != t ? new Sn(t) : this.Ze;\n    }, \n    /**\n     * Applies any overlays from `currentOverlays` that exist at `currentPath`\n     * and returns the merged data at `currentPath` (or null if there were no\n     * changes).\n     *\n     * @param currentPath The path at the current nesting level. Can be set to\n     * FieldValue.emptyPath() to represent the root.\n     * @param currentOverlays The overlays at the current nesting level in the\n     * same format as `overlayMap`.\n     * @return The merged data at `currentPath` or null if no modifications\n     * were applied.\n     */\n    t.prototype.nn = function(t, e) {\n        var n = this, r = !1, i = this.Ze.field(t), o = pe(i) ? // If there is already data at the current path, base our\n        Object.assign({}, i.mapValue.fields) : {};\n        return e.forEach((function(e, i) {\n            if (e instanceof Map) {\n                var s = n.nn(t.child(i), e);\n                null != s && (o[i] = s, r = !0);\n            } else null !== e ? (o[i] = e, r = !0) : o.hasOwnProperty(i) && (delete o[i], r = !0);\n        })), r ? {\n            mapValue: {\n                fields: o\n            }\n        } : null;\n    }, t;\n}();\n\n/**\n * Returns a FieldMask built from all fields in a MapValue.\n */\nfunction xn(t) {\n    var e = [];\n    return _(t.fields || {}, (function(t, n) {\n        var r = new N([ t ]);\n        if (pe(n)) {\n            var i = xn(n.mapValue).fields;\n            if (0 === i.length) \n            // Preserve the empty map by adding it to the FieldMask.\n            e.push(r); else \n            // For nested and non-empty ObjectValues, add the FieldPath of the\n            // leaf nodes.\n            for (var o = 0, s = i; o < s.length; o++) {\n                var u = s[o];\n                e.push(r.child(u));\n            }\n        } else \n        // For nested and non-empty ObjectValues, add the FieldPath of the leaf\n        // nodes.\n        e.push(r);\n    })), new an(e)\n    /**\n * @license\n * Copyright 2017 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the "License");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an "AS IS" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n    /**\n * The result of a lookup for a given path may be an existing document or a\n * marker that this document does not exist at a given version.\n */;\n}\n\nvar Ln = function(t, e) {\n    this.key = t, this.version = e;\n}, kn = /** @class */ function(e) {\n    function n(t, n, r, i) {\n        var o = this;\n        return (o = e.call(this, t, n) || this).sn = r, o.Je = !!i.Je, o.hasCommittedMutations = !!i.hasCommittedMutations, \n        o;\n    }\n    return t.__extends(n, e), n.prototype.field = function(t) {\n        return this.sn.field(t);\n    }, n.prototype.data = function() {\n        return this.sn;\n    }, n.prototype.rn = function() {\n        return this.sn.proto;\n    }, n.prototype.isEqual = function(t) {\n        return t instanceof n && this.key.isEqual(t.key) && this.version.isEqual(t.version) && this.Je === t.Je && this.hasCommittedMutations === t.hasCommittedMutations && this.sn.isEqual(t.sn);\n    }, n.prototype.toString = function() {\n        return "Document(" + this.key + ", " + this.version + ", " + this.sn.toString() + ", {hasLocalMutations: " + this.Je + "}), {hasCommittedMutations: " + this.hasCommittedMutations + "})";\n    }, Object.defineProperty(n.prototype, "hasPendingWrites", {\n        get: function() {\n            return this.Je || this.hasCommittedMutations;\n        },\n        enumerable: !1,\n        configurable: !0\n    }), n;\n}(Ln), Rn = /** @class */ function(e) {\n    function n(t, n, r) {\n        var i = this;\n        return (i = e.call(this, t, n) || this).hasCommittedMutations = !(!r || !r.hasCommittedMutations), \n        i;\n    }\n    return t.__extends(n, e), n.prototype.toString = function() {\n        return "NoDocument(" + this.key + ", " + this.version + ")";\n    }, Object.defineProperty(n.prototype, "hasPendingWrites", {\n        get: function() {\n            return this.hasCommittedMutations;\n        },\n        enumerable: !1,\n        configurable: !0\n    }), n.prototype.isEqual = function(t) {\n        return t instanceof n && t.hasCommittedMutations === this.hasCommittedMutations && t.version.isEqual(this.version) && t.key.isEqual(this.key);\n    }, n;\n}(Ln), On = /** @class */ function(e) {\n    function n() {\n        return null !== e && e.apply(this, arguments) || this;\n    }\n    return t.__extends(n, e), n.prototype.toString = function() {\n        return "UnknownDocument(" + this.key + ", " + this.version + ")";\n    }, Object.defineProperty(n.prototype, "hasPendingWrites", {\n        get: function() {\n            return !0;\n        },\n        enumerable: !1,\n        configurable: !0\n    }), n.prototype.isEqual = function(t) {\n        return t instanceof n && t.version.isEqual(this.version) && t.key.isEqual(this.key);\n    }, n;\n}(Ln), Pn = \n/**\n     * Initializes a Query with a path and optional additional query constraints.\n     * Path must currently be empty if this is a collection group query.\n     */\nfunction(t, e, n, r, i, o /* First */ , s, u) {\n    void 0 === e && (e = null), void 0 === n && (n = []), void 0 === r && (r = []), \n    void 0 === i && (i = null), void 0 === o && (o = "F"), void 0 === s && (s = null), \n    void 0 === u && (u = null), this.path = t, this.collectionGroup = e, this.on = n, \n    this.filters = r, this.limit = i, this.an = o, this.startAt = s, this.endAt = u, \n    this.cn = null, \n    // The corresponding `Target` of this `Query` instance.\n    this.un = null, this.startAt, this.endAt;\n};\n\n/**\n * Represents a document in Firestore with a key, version, data and whether the\n * data has local mutations applied to it.\n */\n/** Creates a new Query instance with the options provided. */ function Vn(t, e, n, r, i, o, s, u) {\n    return new Pn(t, e, n, r, i, o, s, u);\n}\n\n/** Creates a new Query for a query that matches all documents at `path` */ function Un(t) {\n    return new Pn(t);\n}\n\n/**\n * Helper to convert a collection group query into a collection query at a\n * specific path. This is used when executing collection group queries, since\n * we have to split the query into a set of collection queries at multiple\n * paths.\n */ function Cn(t) {\n    return !ut(t.limit) && "F" /* First */ === t.an;\n}\n\nfunction Fn(t) {\n    return !ut(t.limit) && "L" /* Last */ === t.an;\n}\n\nfunction Mn(t) {\n    return t.on.length > 0 ? t.on[0].field : null;\n}\n\nfunction qn(t) {\n    for (var e = 0, n = t.filters; e < n.length; e++) {\n        var r = n[e];\n        if (r.hn()) return r.field;\n    }\n    return null;\n}\n\n/**\n * Checks if any of the provided Operators are included in the query and\n * returns the first one that is, or null if none are.\n */\n/**\n * Returns whether the query matches a collection group rather than a specific\n * collection.\n */ function jn(t) {\n    return null !== t.collectionGroup;\n}\n\n/**\n * Returns the implicit order by constraint that is used to execute the Query,\n * which can be different from the order by constraints the user provided (e.g.\n * the SDK and backend always orders by `__name__`).\n */ function Gn(t) {\n    var e = m(t);\n    if (null === e.cn) {\n        e.cn = [];\n        var n = qn(e), r = Mn(e);\n        if (null !== n && null === r) \n        // In order to implicitly add key ordering, we must also add the\n        // inequality filter field for it to be a valid query.\n        // Note that the default inequality field and key ordering is ascending.\n        n.p() || e.cn.push(new fr(n)), e.cn.push(new fr(N.v(), "asc" /* ASCENDING */)); else {\n            for (var i = !1, o = 0, s = e.on; o < s.length; o++) {\n                var u = s[o];\n                e.cn.push(u), u.field.p() && (i = !0);\n            }\n            if (!i) {\n                // The order of the implicit key ordering always matches the last\n                // explicit order by\n                var a = e.on.length > 0 ? e.on[e.on.length - 1].dir : "asc" /* ASCENDING */;\n                e.cn.push(new fr(N.v(), a));\n            }\n        }\n    }\n    return e.cn;\n}\n\n/**\n * Converts this `Query` instance to it\'s corresponding `Target` representation.\n */ function zn(t) {\n    var e = m(t);\n    if (!e.un) if ("F" /* First */ === e.an) e.un = ft(e.path, e.collectionGroup, Gn(e), e.filters, e.limit, e.startAt, e.endAt); else {\n        for (\n        // Flip the orderBy directions since we want the last results\n        var n = [], r = 0, i = Gn(e); r < i.length; r++) {\n            var o = i[r], s = "desc" /* DESCENDING */ === o.dir ? "asc" /* ASCENDING */ : "desc" /* DESCENDING */;\n            n.push(new fr(o.field, s));\n        }\n        // We need to swap the cursors to match the now-flipped query ordering.\n                var u = e.endAt ? new ur(e.endAt.position, !e.endAt.before) : null, a = e.startAt ? new ur(e.startAt.position, !e.startAt.before) : null;\n        // Now return as a LimitType.First query.\n                e.un = ft(e.path, e.collectionGroup, n, e.filters, e.limit, u, a);\n    }\n    return e.un;\n}\n\nfunction Bn(t, e, n) {\n    return new Pn(t.path, t.collectionGroup, t.on.slice(), t.filters.slice(), e, n, t.startAt, t.endAt);\n}\n\nfunction Wn(t, e) {\n    return new Pn(t.path, t.collectionGroup, t.on.slice(), t.filters.slice(), t.limit, t.an, e, t.endAt);\n}\n\nfunction Kn(t, e) {\n    return new Pn(t.path, t.collectionGroup, t.on.slice(), t.filters.slice(), t.limit, t.an, t.startAt, e);\n}\n\nfunction Qn(t, e) {\n    return pt(zn(t), zn(e)) && t.an === e.an;\n}\n\n// TODO(b/29183165): This is used to get a unique string from a query to, for\n// example, use as a dictionary key, but the implementation is subject to\n// collisions. Make it collision-free.\nfunction Hn(t) {\n    return lt(zn(t)) + "|lt:" + t.an;\n}\n\nfunction Yn(t) {\n    return "Query(target=" + function(t) {\n        var e = t.path.R();\n        return null !== t.collectionGroup && (e += " collectionGroup=" + t.collectionGroup), \n        t.filters.length > 0 && (e += ", filters: [" + t.filters.map((function(t) {\n            return (e = t).field.R() + " " + e.op + " " + re(e.value);\n            /** Returns a debug description for `filter`. */            var e;\n            /** Filter that matches on key fields (i.e. \'__name__\'). */        })).join(", ") + "]"), \n        ut(t.limit) || (e += ", limit: " + t.limit), t.orderBy.length > 0 && (e += ", orderBy: [" + t.orderBy.map((function(t) {\n            return (e = t).field.R() + " (" + e.dir + ")";\n            var e;\n        })).join(", ") + "]"), t.startAt && (e += ", startAt: " + ar(t.startAt)), t.endAt && (e += ", endAt: " + ar(t.endAt)), \n        "Target(" + e + ")";\n    }(zn(t)) + "; limitType=" + t.an + ")";\n}\n\n/** Returns whether `doc` matches the constraints of `query`. */ function $n(t, e) {\n    return function(t, e) {\n        var n = e.key.path;\n        return null !== t.collectionGroup ? e.key.N(t.collectionGroup) && t.path.T(n) : A.F(t.path) ? t.path.isEqual(n) : t.path.I(n);\n    }(t, e) && function(t, e) {\n        for (var n = 0, r = t.on; n < r.length; n++) {\n            var i = r[n];\n            // order by key always matches\n                        if (!i.field.p() && null === e.field(i.field)) return !1;\n        }\n        return !0;\n    }(t, e) && function(t, e) {\n        for (var n = 0, r = t.filters; n < r.length; n++) {\n            if (!r[n].matches(e)) return !1;\n        }\n        return !0;\n    }(t, e) && function(t, e) {\n        return !(t.startAt && !cr(t.startAt, Gn(t), e)) && (!t.endAt || !cr(t.endAt, Gn(t), e));\n    }(t, e);\n}\n\nfunction Xn(t) {\n    return function(e, n) {\n        for (var r = !1, i = 0, o = Gn(t); i < o.length; i++) {\n            var s = o[i], u = lr(s, e, n);\n            if (0 !== u) return u;\n            r = r || s.field.p();\n        }\n        return 0;\n    };\n}\n\nvar Jn = /** @class */ function(e) {\n    function n(t, n, r) {\n        var i = this;\n        return (i = e.call(this) || this).field = t, i.op = n, i.value = r, i;\n    }\n    /**\n     * Creates a filter based on the provided arguments.\n     */    return t.__extends(n, e), n.create = function(t, e, r) {\n        if (t.p()) return "in" /* IN */ === e || "not-in" /* NOT_IN */ === e ? this.ln(t, e, r) : new Zn(t, e, r);\n        if (fe(r)) {\n            if ("==" /* EQUAL */ !== e && "!=" /* NOT_EQUAL */ !== e) throw new c(a.INVALID_ARGUMENT, "Invalid query. Null only supports \'==\' and \'!=\' comparisons.");\n            return new n(t, e, r);\n        }\n        if (le(r)) {\n            if ("==" /* EQUAL */ !== e && "!=" /* NOT_EQUAL */ !== e) throw new c(a.INVALID_ARGUMENT, "Invalid query. NaN only supports \'==\' and \'!=\' comparisons.");\n            return new n(t, e, r);\n        }\n        return "array-contains" /* ARRAY_CONTAINS */ === e ? new rr(t, r) : "in" /* IN */ === e ? new ir(t, r) : "not-in" /* NOT_IN */ === e ? new or(t, r) : "array-contains-any" /* ARRAY_CONTAINS_ANY */ === e ? new sr(t, r) : new n(t, e, r);\n    }, n.ln = function(t, e, n) {\n        return "in" /* IN */ === e ? new tr(t, n) : new er(t, n);\n    }, n.prototype.matches = function(t) {\n        var e = t.field(this.field);\n        // Types do not have to match in NOT_EQUAL filters.\n                return "!=" /* NOT_EQUAL */ === this.op ? null !== e && this._n(ee(e, this.value)) : null !== e && Jt(this.value) === Jt(e) && this._n(ee(e, this.value));\n        // Only compare types with matching backend order (such as double and int).\n        }, n.prototype._n = function(t) {\n        switch (this.op) {\n          case "<" /* LESS_THAN */ :\n            return t < 0;\n\n          case "<=" /* LESS_THAN_OR_EQUAL */ :\n            return t <= 0;\n\n          case "==" /* EQUAL */ :\n            return 0 === t;\n\n          case "!=" /* NOT_EQUAL */ :\n            return 0 !== t;\n\n          case ">" /* GREATER_THAN */ :\n            return t > 0;\n\n          case ">=" /* GREATER_THAN_OR_EQUAL */ :\n            return t >= 0;\n\n          default:\n            return y();\n        }\n    }, n.prototype.hn = function() {\n        return [ "<" /* LESS_THAN */ , "<=" /* LESS_THAN_OR_EQUAL */ , ">" /* GREATER_THAN */ , ">=" /* GREATER_THAN_OR_EQUAL */ , "!=" /* NOT_EQUAL */ , "not-in" /* NOT_IN */ ].indexOf(this.op) >= 0;\n    }, n;\n}((function() {}));\n\nvar Zn = /** @class */ function(e) {\n    function n(t, n, r) {\n        var i = this;\n        return (i = e.call(this, t, n, r) || this).key = A.C(r.referenceValue), i;\n    }\n    return t.__extends(n, e), n.prototype.matches = function(t) {\n        var e = A.i(t.key, this.key);\n        return this._n(e);\n    }, n;\n}(Jn), tr = /** @class */ function(e) {\n    function n(t, n) {\n        var r = this;\n        return (r = e.call(this, t, "in" /* IN */ , n) || this).keys = nr("in" /* IN */ , n), \n        r;\n    }\n    return t.__extends(n, e), n.prototype.matches = function(t) {\n        return this.keys.some((function(e) {\n            return e.isEqual(t.key);\n        }));\n    }, n;\n}(Jn), er = /** @class */ function(e) {\n    function n(t, n) {\n        var r = this;\n        return (r = e.call(this, t, "not-in" /* NOT_IN */ , n) || this).keys = nr("not-in" /* NOT_IN */ , n), \n        r;\n    }\n    return t.__extends(n, e), n.prototype.matches = function(t) {\n        return !this.keys.some((function(e) {\n            return e.isEqual(t.key);\n        }));\n    }, n;\n}(Jn);\n\n/** Filter that matches on key fields within an array. */ function nr(t, e) {\n    var n;\n    return ((null === (n = e.arrayValue) || void 0 === n ? void 0 : n.values) || []).map((function(t) {\n        return A.C(t.referenceValue);\n    }));\n}\n\n/** A Filter that implements the array-contains operator. */ var rr = /** @class */ function(e) {\n    function n(t, n) {\n        return e.call(this, t, "array-contains" /* ARRAY_CONTAINS */ , n) || this;\n    }\n    return t.__extends(n, e), n.prototype.matches = function(t) {\n        var e = t.field(this.field);\n        return he(e) && te(e.arrayValue, this.value);\n    }, n;\n}(Jn), ir = /** @class */ function(e) {\n    function n(t, n) {\n        return e.call(this, t, "in" /* IN */ , n) || this;\n    }\n    return t.__extends(n, e), n.prototype.matches = function(t) {\n        var e = t.field(this.field);\n        return null !== e && te(this.value.arrayValue, e);\n    }, n;\n}(Jn), or = /** @class */ function(e) {\n    function n(t, n) {\n        return e.call(this, t, "not-in" /* NOT_IN */ , n) || this;\n    }\n    return t.__extends(n, e), n.prototype.matches = function(t) {\n        if (te(this.value.arrayValue, {\n            nullValue: "NULL_VALUE"\n        })) return !1;\n        var e = t.field(this.field);\n        return null !== e && !te(this.value.arrayValue, e);\n    }, n;\n}(Jn), sr = /** @class */ function(e) {\n    function n(t, n) {\n        return e.call(this, t, "array-contains-any" /* ARRAY_CONTAINS_ANY */ , n) || this;\n    }\n    return t.__extends(n, e), n.prototype.matches = function(t) {\n        var e = this, n = t.field(this.field);\n        return !(!he(n) || !n.arrayValue.values) && n.arrayValue.values.some((function(t) {\n            return te(e.value.arrayValue, t);\n        }));\n    }, n;\n}(Jn), ur = function(t, e) {\n    this.position = t, this.before = e;\n};\n\n/** A Filter that implements the IN operator. */ function ar(t) {\n    // TODO(b/29183165): Make this collision robust.\n    return (t.before ? "b" : "a") + ":" + t.position.map((function(t) {\n        return re(t);\n    })).join(",");\n}\n\n/**\n * Returns true if a document sorts before a bound using the provided sort\n * order.\n */ function cr(t, e, n) {\n    for (var r = 0, i = 0; i < t.position.length; i++) {\n        var o = e[i], s = t.position[i];\n        if (r = o.field.p() ? A.i(A.C(s.referenceValue), n.key) : ee(s, n.field(o.field)), \n        "desc" /* DESCENDING */ === o.dir && (r *= -1), 0 !== r) break;\n    }\n    return t.before ? r <= 0 : r < 0;\n}\n\nfunction hr(t, e) {\n    if (null === t) return null === e;\n    if (null === e) return !1;\n    if (t.before !== e.before || t.position.length !== e.position.length) return !1;\n    for (var n = 0; n < t.position.length; n++) if (!Zt(t.position[n], e.position[n])) return !1;\n    return !0;\n}\n\n/**\n * An ordering on a field, in some Direction. Direction defaults to ASCENDING.\n */ var fr = function(t, e /* ASCENDING */) {\n    void 0 === e && (e = "asc"), this.field = t, this.dir = e;\n};\n\nfunction lr(t, e, n) {\n    var r = t.field.p() ? A.i(e.key, n.key) : function(t, e, n) {\n        var r = e.field(t), i = n.field(t);\n        return null !== r && null !== i ? ee(r, i) : y();\n    }(t.field, e, n);\n    switch (t.dir) {\n      case "asc" /* ASCENDING */ :\n        return r;\n\n      case "desc" /* DESCENDING */ :\n        return -1 * r;\n\n      default:\n        return y();\n    }\n}\n\nfunction pr(t, e) {\n    return t.dir === e.dir && t.field.isEqual(e.field);\n}\n\n/**\n * @license\n * Copyright 2017 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the "License");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an "AS IS" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */ var dr = function() {\n    var t = this;\n    this.promise = new Promise((function(e, n) {\n        t.resolve = e, t.reject = n;\n    }));\n}, vr = /** @class */ function() {\n    function t(\n    /**\n     * The AsyncQueue to run backoff operations on.\n     */\n    t, \n    /**\n     * The ID to use when scheduling backoff operations on the AsyncQueue.\n     */\n    e, \n    /**\n     * The initial delay (used as the base delay on the first retry attempt).\n     * Note that jitter will still be applied, so the actual delay could be as\n     * little as 0.5*initialDelayMs.\n     */\n    n\n    /**\n     * The multiplier to use to determine the extended base delay after each\n     * attempt.\n     */ , r\n    /**\n     * The maximum base delay after which no further backoff is performed.\n     * Note that jitter will still be applied, so the actual delay could be as\n     * much as 1.5*maxDelayMs.\n     */ , i) {\n        void 0 === n && (n = 1e3), void 0 === r && (r = 1.5), void 0 === i && (i = 6e4), \n        this.fn = t, this.dn = e, this.wn = n, this.mn = r, this.Tn = i, this.En = 0, this.In = null, \n        /** The last backoff attempt, as epoch milliseconds. */\n        this.An = Date.now(), this.reset();\n    }\n    /**\n     * Resets the backoff delay.\n     *\n     * The very next backoffAndWait() will have no delay. If it is called again\n     * (i.e. due to an error), initialDelayMs (plus jitter) will be used, and\n     * subsequent ones will increase according to the backoffFactor.\n     */    return t.prototype.reset = function() {\n        this.En = 0;\n    }, \n    /**\n     * Resets the backoff delay to the maximum delay (e.g. for use after a\n     * RESOURCE_EXHAUSTED error).\n     */\n    t.prototype.Rn = function() {\n        this.En = this.Tn;\n    }, \n    /**\n     * Returns a promise that resolves after currentDelayMs, and increases the\n     * delay for any subsequent attempts. If there was a pending backoff operation\n     * already, it will be canceled.\n     */\n    t.prototype.gn = function(t) {\n        var e = this;\n        // Cancel any pending backoff operation.\n                this.cancel();\n        // First schedule using the current base (which may be 0 and should be\n        // honored as such).\n        var n = Math.floor(this.En + this.Pn()), r = Math.max(0, Date.now() - this.An), i = Math.max(0, n - r);\n        // Guard against lastAttemptTime being in the future due to a clock change.\n                i > 0 && l("ExponentialBackoff", "Backing off for " + i + " ms (base delay: " + this.En + " ms, delay with jitter: " + n + " ms, last attempt: " + r + " ms ago)"), \n        this.In = this.fn.yn(this.dn, i, (function() {\n            return e.An = Date.now(), t();\n        })), \n        // Apply backoff factor to determine next delay and ensure it is within\n        // bounds.\n        this.En *= this.mn, this.En < this.wn && (this.En = this.wn), this.En > this.Tn && (this.En = this.Tn);\n    }, t.prototype.Vn = function() {\n        null !== this.In && (this.In.pn(), this.In = null);\n    }, t.prototype.cancel = function() {\n        null !== this.In && (this.In.cancel(), this.In = null);\n    }, \n    /** Returns a random value in the range [-currentBaseMs/2, currentBaseMs/2] */ t.prototype.Pn = function() {\n        return (Math.random() - .5) * this.En;\n    }, t;\n}(), yr = /** @class */ function() {\n    function t(t) {\n        var e = this;\n        // NOTE: next/catchCallback will always point to our own wrapper functions,\n        // not the user\'s raw next() or catch() callbacks.\n                this.bn = null, this.vn = null, \n        // When the operation resolves, we\'ll set result or error and mark isDone.\n        this.result = void 0, this.error = void 0, this.Sn = !1, \n        // Set to true when .then() or .catch() are called and prevents additional\n        // chaining.\n        this.Dn = !1, t((function(t) {\n            e.Sn = !0, e.result = t, e.bn && \n            // value should be defined unless T is Void, but we can\'t express\n            // that in the type system.\n            e.bn(t);\n        }), (function(t) {\n            e.Sn = !0, e.error = t, e.vn && e.vn(t);\n        }));\n    }\n    return t.prototype.catch = function(t) {\n        return this.next(void 0, t);\n    }, t.prototype.next = function(e, n) {\n        var r = this;\n        return this.Dn && y(), this.Dn = !0, this.Sn ? this.error ? this.Cn(n, this.error) : this.Nn(e, this.result) : new t((function(t, i) {\n            r.bn = function(n) {\n                r.Nn(e, n).next(t, i);\n            }, r.vn = function(e) {\n                r.Cn(n, e).next(t, i);\n            };\n        }));\n    }, t.prototype.Fn = function() {\n        var t = this;\n        return new Promise((function(e, n) {\n            t.next(e, n);\n        }));\n    }, t.prototype.xn = function(e) {\n        try {\n            var n = e();\n            return n instanceof t ? n : t.resolve(n);\n        } catch (e) {\n            return t.reject(e);\n        }\n    }, t.prototype.Nn = function(e, n) {\n        return e ? this.xn((function() {\n            return e(n);\n        })) : t.resolve(n);\n    }, t.prototype.Cn = function(e, n) {\n        return e ? this.xn((function() {\n            return e(n);\n        })) : t.reject(n);\n    }, t.resolve = function(e) {\n        return new t((function(t, n) {\n            t(e);\n        }));\n    }, t.reject = function(e) {\n        return new t((function(t, n) {\n            n(e);\n        }));\n    }, t.$n = function(\n    // Accept all Promise types in waitFor().\n    // eslint-disable-next-line @typescript-eslint/no-explicit-any\n    e) {\n        return new t((function(t, n) {\n            var r = 0, i = 0, o = !1;\n            e.forEach((function(e) {\n                ++r, e.next((function() {\n                    ++i, o && i === r && t();\n                }), (function(t) {\n                    return n(t);\n                }));\n            })), o = !0, i === r && t();\n        }));\n    }, \n    /**\n     * Given an array of predicate functions that asynchronously evaluate to a\n     * boolean, implements a short-circuiting `or` between the results. Predicates\n     * will be evaluated until one of them returns `true`, then stop. The final\n     * result will be whether any of them returned `true`.\n     */\n    t.kn = function(e) {\n        for (var n = t.resolve(!1), r = function(e) {\n            n = n.next((function(n) {\n                return n ? t.resolve(n) : e();\n            }));\n        }, i = 0, o = e; i < o.length; i++) {\n            r(o[i]);\n        }\n        return n;\n    }, t.forEach = function(t, e) {\n        var n = this, r = [];\n        return t.forEach((function(t, i) {\n            r.push(e.call(n, t, i));\n        })), this.$n(r);\n    }, t;\n}(), gr = /** @class */ function() {\n    /*\n     * Creates a new SimpleDb wrapper for IndexedDb database `name`.\n     *\n     * Note that `version` must not be a downgrade. IndexedDB does not support\n     * downgrading the schema version. We currently do not support any way to do\n     * versioning outside of IndexedDB\'s versioning mechanism, as only\n     * version-upgrade transactions are allowed to do things like create\n     * objectstores.\n     */\n    function e(t, n, i) {\n        this.name = t, this.version = n, this.Mn = i, \n        // NOTE: According to https://bugs.webkit.org/show_bug.cgi?id=197050, the\n        // bug we\'re checking for should exist in iOS >= 12.2 and < 13, but for\n        // whatever reason it\'s much harder to hit after 12.2 so we only proactively\n        // log on 12.2.\n        12.2 === e.On(r.getUA()) && p("Firestore persistence suffers from a bug in iOS 12.2 Safari that may cause your app to stop working. See https://stackoverflow.com/q/56496296/110915 for details and a potential workaround.");\n    }\n    /** Deletes the specified database. */    return e.delete = function(t) {\n        return l("SimpleDb", "Removing database:", t), Er(window.indexedDB.deleteDatabase(t)).Fn();\n    }, \n    /** Returns true if IndexedDB is available in the current environment. */ e.Ln = function() {\n        if ("undefined" == typeof indexedDB) return !1;\n        if (e.Bn()) return !0;\n        // We extensively use indexed array values and compound keys,\n        // which IE and Edge do not support. However, they still have indexedDB\n        // defined on the window, so we need to check for them here and make sure\n        // to return that persistence is not enabled for those browsers.\n        // For tracking support of this feature, see here:\n        // https://developer.microsoft.com/en-us/microsoft-edge/platform/status/indexeddbarraysandmultientrysupport/\n        // Check the UA string to find out the browser.\n                var t = r.getUA(), n = e.On(t), i = 0 < n && n < 10, o = e.qn(t), s = 0 < o && o < 4.5;\n        // IE 10\n        // ua = \'Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.2; Trident/6.0)\';\n        // IE 11\n        // ua = \'Mozilla/5.0 (Windows NT 6.3; Trident/7.0; rv:11.0) like Gecko\';\n        // Edge\n        // ua = \'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML,\n        // like Gecko) Chrome/39.0.2171.71 Safari/537.36 Edge/12.0\';\n        // iOS Safari: Disable for users running iOS version < 10.\n                return !(t.indexOf("MSIE ") > 0 || t.indexOf("Trident/") > 0 || t.indexOf("Edge/") > 0 || i || s);\n    }, \n    /**\n     * Returns true if the backing IndexedDB store is the Node IndexedDBShim\n     * (see https://github.com/axemclion/IndexedDBShim).\n     */\n    e.Bn = function() {\n        var t;\n        return "undefined" != typeof process && "YES" === (null === (t = process.env) || void 0 === t ? void 0 : t.Un);\n    }, \n    /** Helper to get a typed SimpleDbStore from a transaction. */ e.Qn = function(t, e) {\n        return t.store(e);\n    }, \n    // visible for testing\n    /** Parse User Agent to determine iOS version. Returns -1 if not found. */\n    e.On = function(t) {\n        var e = t.match(/i(?:phone|pad|pod) os ([\\d_]+)/i), n = e ? e[1].split("_").slice(0, 2).join(".") : "-1";\n        return Number(n);\n    }, \n    // visible for testing\n    /** Parse User Agent to determine Android version. Returns -1 if not found. */\n    e.qn = function(t) {\n        var e = t.match(/Android ([\\d.]+)/i), n = e ? e[1].split(".").slice(0, 2).join(".") : "-1";\n        return Number(n);\n    }, \n    /**\n     * Opens the specified database, creating or upgrading it if necessary.\n     */\n    e.prototype.Wn = function(e) {\n        return t.__awaiter(this, void 0, void 0, (function() {\n            var n, r = this;\n            return t.__generator(this, (function(t) {\n                switch (t.label) {\n                  case 0:\n                    return this.db ? [ 3 /*break*/ , 2 ] : (l("SimpleDb", "Opening database:", this.name), \n                    n = this, [ 4 /*yield*/ , new Promise((function(t, n) {\n                        // TODO(mikelehen): Investigate browser compatibility.\n                        // https://developer.mozilla.org/en-US/docs/Web/API/IndexedDB_API/Using_IndexedDB\n                        // suggests IE9 and older WebKit browsers handle upgrade\n                        // differently. They expect setVersion, as described here:\n                        // https://developer.mozilla.org/en-US/docs/Web/API/IDBVersionChangeRequest/setVersion\n                        var i = indexedDB.open(r.name, r.version);\n                        i.onsuccess = function(e) {\n                            var n = e.target.result;\n                            t(n);\n                        }, i.onblocked = function() {\n                            n(new wr(e, "Cannot upgrade IndexedDB schema while another tab is open. Close all tabs that access Firestore and reload this page to proceed."));\n                        }, i.onerror = function(t) {\n                            var r = t.target.error;\n                            "VersionError" === r.name ? n(new c(a.FAILED_PRECONDITION, "A newer version of the Firestore SDK was previously used and so the persisted data is not compatible with the version of the SDK you are now using. The SDK will operate with persistence disabled. If you need persistence, please re-upgrade to a newer version of the SDK or else clear the persisted IndexedDB data for your app to start fresh.")) : n(new wr(e, r));\n                        }, i.onupgradeneeded = function(t) {\n                            l("SimpleDb", \'Database "\' + r.name + \'" requires upgrade from version:\', t.oldVersion);\n                            var e = t.target.result;\n                            r.Mn.createOrUpgrade(e, i.transaction, t.oldVersion, r.version).next((function() {\n                                l("SimpleDb", "Database upgrade to version " + r.version + " complete");\n                            }));\n                        };\n                    })) ]);\n\n                  case 1:\n                    n.db = t.sent(), t.label = 2;\n\n                  case 2:\n                    return [ 2 /*return*/ , (this.jn && (this.db.onversionchange = function(t) {\n                        return r.jn(t);\n                    }), this.db) ];\n                }\n            }));\n        }));\n    }, e.prototype.Kn = function(t) {\n        this.jn = t, this.db && (this.db.onversionchange = function(e) {\n            return t(e);\n        });\n    }, e.prototype.runTransaction = function(e, n, r, i) {\n        return t.__awaiter(this, void 0, void 0, (function() {\n            var o, s, u, a, c;\n            return t.__generator(this, (function(h) {\n                switch (h.label) {\n                  case 0:\n                    o = "readonly" === n, s = 0, u = function() {\n                        var n, u, c, h, f;\n                        return t.__generator(this, (function(t) {\n                            switch (t.label) {\n                              case 0:\n                                ++s, t.label = 1;\n\n                              case 1:\n                                return t.trys.push([ 1, 4, , 5 ]), [ 4 /*yield*/ , a.Wn(e) ];\n\n                              case 2:\n                                // Wait for the transaction to complete (i.e. IndexedDb\'s onsuccess event to\n                                // fire), but still return the original transactionFnResult back to the\n                                // caller.\n                                return a.db = t.sent(), n = br.open(a.db, e, o ? "readonly" : "readwrite", r), u = i(n).catch((function(t) {\n                                    // Abort the transaction if there was an error.\n                                    return n.abort(t), yr.reject(t);\n                                })).Fn(), c = {}, u.catch((function() {})), [ 4 /*yield*/ , n.Gn ];\n\n                              case 3:\n                                return [ 2 /*return*/ , (c.value = (\n                                // Wait for the transaction to complete (i.e. IndexedDb\'s onsuccess event to\n                                // fire), but still return the original transactionFnResult back to the\n                                // caller.\n                                t.sent(), u), c) ];\n\n                              case 4:\n                                return h = t.sent(), f = "FirebaseError" !== h.name && s < 3, l("SimpleDb", "Transaction failed with error:", h.message, "Retrying:", f), \n                                a.close(), f ? [ 3 /*break*/ , 5 ] : [ 2 /*return*/ , {\n                                    value: Promise.reject(h)\n                                } ];\n\n                              case 5:\n                                return [ 2 /*return*/ ];\n                            }\n                        }));\n                    }, a = this, h.label = 1;\n\n                  case 1:\n                    return [ 5 /*yield**/ , u() ];\n\n                  case 2:\n                    if ("object" == typeof (c = h.sent())) return [ 2 /*return*/ , c.value ];\n                    h.label = 3;\n\n                  case 3:\n                    return [ 3 /*break*/ , 1 ];\n\n                  case 4:\n                    return [ 2 /*return*/ ];\n                }\n            }));\n        }));\n    }, e.prototype.close = function() {\n        this.db && this.db.close(), this.db = void 0;\n    }, e;\n}(), mr = /** @class */ function() {\n    function t(t) {\n        this.zn = t, this.Hn = !1, this.Yn = null;\n    }\n    return Object.defineProperty(t.prototype, "Sn", {\n        get: function() {\n            return this.Hn;\n        },\n        enumerable: !1,\n        configurable: !0\n    }), Object.defineProperty(t.prototype, "Jn", {\n        get: function() {\n            return this.Yn;\n        },\n        enumerable: !1,\n        configurable: !0\n    }), Object.defineProperty(t.prototype, "cursor", {\n        set: function(t) {\n            this.zn = t;\n        },\n        enumerable: !1,\n        configurable: !0\n    }), \n    /**\n     * This function can be called to stop iteration at any point.\n     */\n    t.prototype.done = function() {\n        this.Hn = !0;\n    }, \n    /**\n     * This function can be called to skip to that next key, which could be\n     * an index or a primary key.\n     */\n    t.prototype.Xn = function(t) {\n        this.Yn = t;\n    }, \n    /**\n     * Delete the current cursor value from the object store.\n     *\n     * NOTE: You CANNOT do this with a keysOnly query.\n     */\n    t.prototype.delete = function() {\n        return Er(this.zn.delete());\n    }, t;\n}(), wr = /** @class */ function(e) {\n    function n(t, n) {\n        var r = this;\n        return (r = e.call(this, a.UNAVAILABLE, "IndexedDB transaction \'" + t + "\' failed: " + n) || this).name = "IndexedDbTransactionError", \n        r;\n    }\n    return t.__extends(n, e), n;\n}(c);\n\n/**\n * @license\n * Copyright 2017 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the "License");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an "AS IS" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/**\n * A helper for running delayed tasks following an exponential backoff curve\n * between attempts.\n *\n * Each delay is made up of a "base" delay which follows the exponential\n * backoff curve, and a +/- 50% "jitter" that is calculated and added to the\n * base delay. This prevents clients from accidentally synchronizing their\n * delays causing spikes of load to the backend.\n */\n/** Verifies whether `e` is an IndexedDbTransactionError. */ function _r(t) {\n    // Use name equality, as instanceof checks on errors don\'t work with errors\n    // that wrap other errors.\n    return "IndexedDbTransactionError" === t.name;\n}\n\n/**\n * Wraps an IDBTransaction and exposes a store() method to get a handle to a\n * specific object store.\n */ var br = /** @class */ function() {\n    function t(t, e) {\n        var n = this;\n        this.action = t, this.transaction = e, this.aborted = !1, \n        /**\n             * A promise that resolves with the result of the IndexedDb transaction.\n             */\n        this.Zn = new dr, this.transaction.oncomplete = function() {\n            n.Zn.resolve();\n        }, this.transaction.onabort = function() {\n            e.error ? n.Zn.reject(new wr(t, e.error)) : n.Zn.resolve();\n        }, this.transaction.onerror = function(e) {\n            var r = Nr(e.target.error);\n            n.Zn.reject(new wr(t, r));\n        };\n    }\n    return t.open = function(e, n, r, i) {\n        try {\n            return new t(n, e.transaction(i, r));\n        } catch (e) {\n            throw new wr(n, e);\n        }\n    }, Object.defineProperty(t.prototype, "Gn", {\n        get: function() {\n            return this.Zn.promise;\n        },\n        enumerable: !1,\n        configurable: !0\n    }), t.prototype.abort = function(t) {\n        t && this.Zn.reject(t), this.aborted || (l("SimpleDb", "Aborting transaction:", t ? t.message : "Client-initiated abort"), \n        this.aborted = !0, this.transaction.abort());\n    }, \n    /**\n     * Returns a SimpleDbStore<KeyType, ValueType> for the specified store. All\n     * operations performed on the SimpleDbStore happen within the context of this\n     * transaction and it cannot be used anymore once the transaction is\n     * completed.\n     *\n     * Note that we can\'t actually enforce that the KeyType and ValueType are\n     * correct, but they allow type safety through the rest of the consuming code.\n     */\n    t.prototype.store = function(t) {\n        var e = this.transaction.objectStore(t);\n        return new Ir(e);\n    }, t;\n}(), Ir = /** @class */ function() {\n    function t(t) {\n        this.store = t;\n    }\n    return t.prototype.put = function(t, e) {\n        var n;\n        return void 0 !== e ? (l("SimpleDb", "PUT", this.store.name, t, e), n = this.store.put(e, t)) : (l("SimpleDb", "PUT", this.store.name, "<auto-key>", t), \n        n = this.store.put(t)), Er(n);\n    }, \n    /**\n     * Adds a new value into an Object Store and returns the new key. Similar to\n     * IndexedDb\'s `add()`, this method will fail on primary key collisions.\n     *\n     * @param value The object to write.\n     * @return The key of the value to add.\n     */\n    t.prototype.add = function(t) {\n        return l("SimpleDb", "ADD", this.store.name, t, t), Er(this.store.add(t));\n    }, \n    /**\n     * Gets the object with the specified key from the specified store, or null\n     * if no object exists with the specified key.\n     *\n     * @key The key of the object to get.\n     * @return The object with the specified key or null if no object exists.\n     */\n    t.prototype.get = function(t) {\n        var e = this;\n        // We\'re doing an unsafe cast to ValueType.\n        // eslint-disable-next-line @typescript-eslint/no-explicit-any\n                return Er(this.store.get(t)).next((function(n) {\n            // Normalize nonexistence to null.\n            return void 0 === n && (n = null), l("SimpleDb", "GET", e.store.name, t, n), n;\n        }));\n    }, t.prototype.delete = function(t) {\n        return l("SimpleDb", "DELETE", this.store.name, t), Er(this.store.delete(t));\n    }, \n    /**\n     * If we ever need more of the count variants, we can add overloads. For now,\n     * all we need is to count everything in a store.\n     *\n     * Returns the number of rows in the store.\n     */\n    t.prototype.count = function() {\n        return l("SimpleDb", "COUNT", this.store.name), Er(this.store.count());\n    }, t.prototype.ts = function(t, e) {\n        var n = this.cursor(this.options(t, e)), r = [];\n        return this.es(n, (function(t, e) {\n            r.push(e);\n        })).next((function() {\n            return r;\n        }));\n    }, t.prototype.ns = function(t, e) {\n        l("SimpleDb", "DELETE ALL", this.store.name);\n        var n = this.options(t, e);\n        n.ss = !1;\n        var r = this.cursor(n);\n        return this.es(r, (function(t, e, n) {\n            return n.delete();\n        }));\n    }, t.prototype.rs = function(t, e) {\n        var n;\n        e ? n = t : (n = {}, e = t);\n        var r = this.cursor(n);\n        return this.es(r, e);\n    }, \n    /**\n     * Iterates over a store, but waits for the given callback to complete for\n     * each entry before iterating the next entry. This allows the callback to do\n     * asynchronous work to determine if this iteration should continue.\n     *\n     * The provided callback should return `true` to continue iteration, and\n     * `false` otherwise.\n     */\n    t.prototype.os = function(t) {\n        var e = this.cursor({});\n        return new yr((function(n, r) {\n            e.onerror = function(t) {\n                var e = Nr(t.target.error);\n                r(e);\n            }, e.onsuccess = function(e) {\n                var r = e.target.result;\n                r ? t(r.primaryKey, r.value).next((function(t) {\n                    t ? r.continue() : n();\n                })) : n();\n            };\n        }));\n    }, t.prototype.es = function(t, e) {\n        var n = [];\n        return new yr((function(r, i) {\n            t.onerror = function(t) {\n                i(t.target.error);\n            }, t.onsuccess = function(t) {\n                var i = t.target.result;\n                if (i) {\n                    var o = new mr(i), s = e(i.primaryKey, i.value, o);\n                    if (s instanceof yr) {\n                        var u = s.catch((function(t) {\n                            return o.done(), yr.reject(t);\n                        }));\n                        n.push(u);\n                    }\n                    o.Sn ? r() : null === o.Jn ? i.continue() : i.continue(o.Jn);\n                } else r();\n            };\n        })).next((function() {\n            return yr.$n(n);\n        }));\n    }, t.prototype.options = function(t, e) {\n        var n = void 0;\n        return void 0 !== t && ("string" == typeof t ? n = t : e = t), {\n            index: n,\n            range: e\n        };\n    }, t.prototype.cursor = function(t) {\n        var e = "next";\n        if (t.reverse && (e = "prev"), t.index) {\n            var n = this.store.index(t.index);\n            return t.ss ? n.openKeyCursor(t.range, e) : n.openCursor(t.range, e);\n        }\n        return this.store.openCursor(t.range, e);\n    }, t;\n}();\n\n/**\n * A wrapper around an IDBObjectStore providing an API that:\n *\n * 1) Has generic KeyType / ValueType parameters to provide strongly-typed\n * methods for acting against the object store.\n * 2) Deals with IndexedDB\'s onsuccess / onerror event callbacks, making every\n * method return a PersistencePromise instead.\n * 3) Provides a higher-level API to avoid needing to do excessive wrapping of\n * intermediate IndexedDB types (IDBCursorWithValue, etc.)\n */\n/**\n * Wraps an IDBRequest in a PersistencePromise, using the onsuccess / onerror\n * handlers to resolve / reject the PersistencePromise as appropriate.\n */\nfunction Er(t) {\n    return new yr((function(e, n) {\n        t.onsuccess = function(t) {\n            var n = t.target.result;\n            e(n);\n        }, t.onerror = function(t) {\n            var e = Nr(t.target.error);\n            n(e);\n        };\n    }));\n}\n\n// Guard so we only report the error once.\nvar Tr = !1;\n\nfunction Nr(t) {\n    var e = gr.On(r.getUA());\n    if (e >= 12.2 && e < 13) {\n        var n = "An internal error was encountered in the Indexed Database server";\n        if (t.message.indexOf(n) >= 0) {\n            // Wrap error in a more descriptive one.\n            var i = new c("internal", "IOS_INDEXEDDB_BUG1: IndexedDb has thrown \'" + n + "\'. This is likely due to an unavoidable bug in iOS. See https://stackoverflow.com/q/56496296/110915 for details and a potential workaround.");\n            return Tr || (Tr = !0, \n            // Throw a global exception outside of this promise chain, for the user to\n            // potentially catch.\n            setTimeout((function() {\n                throw i;\n            }), 0)), i;\n        }\n    }\n    return t;\n}\n\n/**\n * @license\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the "License");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an "AS IS" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/** The Platform\'s \'window\' implementation or null if not available. */ function Ar() {\n    // `window` is not always available, e.g. in ReactNative and WebWorkers.\n    // eslint-disable-next-line no-restricted-globals\n    return "undefined" != typeof window ? window : null;\n}\n\n/** The Platform\'s \'document\' implementation or null if not available. */ function Sr() {\n    // `document` is not always available, e.g. in ReactNative and WebWorkers.\n    // eslint-disable-next-line no-restricted-globals\n    return "undefined" != typeof document ? document : null;\n}\n\n/**\n * @license\n * Copyright 2017 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the "License");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an "AS IS" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/**\n * Represents an operation scheduled to be run in the future on an AsyncQueue.\n *\n * It is created via DelayedOperation.createAndSchedule().\n *\n * Supports cancellation (via cancel()) and early execution (via skipDelay()).\n *\n * Note: We implement `PromiseLike` instead of `Promise`, as the `Promise` type\n * in newer versions of TypeScript defines `finally`, which is not available in\n * IE.\n */ var Dr = /** @class */ function() {\n    function t(t, e, n, r, i) {\n        this.cs = t, this.dn = e, this.us = n, this.op = r, this.hs = i, this.ls = new dr, \n        this.then = this.ls.promise.then.bind(this.ls.promise), \n        // It\'s normal for the deferred promise to be canceled (due to cancellation)\n        // and so we attach a dummy catch callback to avoid\n        // \'UnhandledPromiseRejectionWarning\' log spam.\n        this.ls.promise.catch((function(t) {}))\n        /**\n     * Creates and returns a DelayedOperation that has been scheduled to be\n     * executed on the provided asyncQueue after the provided delayMs.\n     *\n     * @param asyncQueue The queue to schedule the operation on.\n     * @param id A Timer ID identifying the type of operation this is.\n     * @param delayMs The delay (ms) before the operation should be scheduled.\n     * @param op The operation to run.\n     * @param removalCallback A callback to be called synchronously once the\n     *   operation is executed or canceled, notifying the AsyncQueue to remove it\n     *   from its delayedOperations list.\n     *   PORTING NOTE: This exists to prevent making removeDelayedOperation() and\n     *   the DelayedOperation class public.\n     */;\n    }\n    return t._s = function(e, n, r, i, o) {\n        var s = new t(e, n, Date.now() + r, i, o);\n        return s.start(r), s;\n    }, \n    /**\n     * Starts the timer. This is called immediately after construction by\n     * createAndSchedule().\n     */\n    t.prototype.start = function(t) {\n        var e = this;\n        this.fs = setTimeout((function() {\n            return e.ds();\n        }), t);\n    }, \n    /**\n     * Queues the operation to run immediately (if it hasn\'t already been run or\n     * canceled).\n     */\n    t.prototype.pn = function() {\n        return this.ds();\n    }, \n    /**\n     * Cancels the operation if it hasn\'t already been executed or canceled. The\n     * promise will be rejected.\n     *\n     * As long as the operation has not yet been run, calling cancel() provides a\n     * guarantee that the operation will not be run.\n     */\n    t.prototype.cancel = function(t) {\n        null !== this.fs && (this.clearTimeout(), this.ls.reject(new c(a.CANCELLED, "Operation cancelled" + (t ? ": " + t : ""))));\n    }, t.prototype.ds = function() {\n        var t = this;\n        this.cs.ws((function() {\n            return null !== t.fs ? (t.clearTimeout(), t.op().then((function(e) {\n                return t.ls.resolve(e);\n            }))) : Promise.resolve();\n        }));\n    }, t.prototype.clearTimeout = function() {\n        null !== this.fs && (this.hs(this), clearTimeout(this.fs), this.fs = null);\n    }, t;\n}(), xr = /** @class */ function() {\n    function e() {\n        var t = this;\n        // The last promise in the queue.\n                this.Ts = Promise.resolve(), \n        // A list of retryable operations. Retryable operations are run in order and\n        // retried with backoff.\n        this.Es = [], \n        // Is this AsyncQueue being shut down? Once it is set to true, it will not\n        // be changed again.\n        this.Is = !1, \n        // Operations scheduled to be queued in the future. Operations are\n        // automatically removed after they are run or canceled.\n        this.As = [], \n        // visible for testing\n        this.Rs = null, \n        // Flag set while there\'s an outstanding AsyncQueue operation, used for\n        // assertion sanity-checks.\n        this.gs = !1, \n        // List of TimerIds to fast-forward delays for.\n        this.Ps = [], \n        // Backoff timer used to schedule retries for retryable operations\n        this.ys = new vr(this, "async_queue_retry" /* AsyncQueueRetry */), \n        // Visibility handler that triggers an immediate retry of all retryable\n        // operations. Meant to speed up recovery when we regain file system access\n        // after page comes into foreground.\n        this.Vs = function() {\n            var e = Sr();\n            e && l("AsyncQueue", "Visibility state changed to  ", e.visibilityState), t.ys.Vn();\n        };\n        var e = Sr();\n        e && "function" == typeof e.addEventListener && e.addEventListener("visibilitychange", this.Vs);\n    }\n    return Object.defineProperty(e.prototype, "ps", {\n        // Is this AsyncQueue being shut down? If true, this instance will not enqueue\n        // any new operations, Promises from enqueue requests will not resolve.\n        get: function() {\n            return this.Is;\n        },\n        enumerable: !1,\n        configurable: !0\n    }), \n    /**\n     * Adds a new operation to the queue without waiting for it to complete (i.e.\n     * we ignore the Promise result).\n     */\n    e.prototype.ws = function(t) {\n        // eslint-disable-next-line @typescript-eslint/no-floating-promises\n        this.enqueue(t);\n    }, \n    /**\n     * Regardless if the queue has initialized shutdown, adds a new operation to the\n     * queue without waiting for it to complete (i.e. we ignore the Promise result).\n     */\n    e.prototype.bs = function(t) {\n        this.vs(), \n        // eslint-disable-next-line @typescript-eslint/no-floating-promises\n        this.Ss(t);\n    }, \n    /**\n     * Initialize the shutdown of this queue. Once this method is called, the\n     * only possible way to request running an operation is through\n     * `enqueueEvenWhileRestricted()`.\n     */\n    e.prototype.Ds = function() {\n        if (!this.Is) {\n            this.Is = !0;\n            var t = Sr();\n            t && "function" == typeof t.removeEventListener && t.removeEventListener("visibilitychange", this.Vs);\n        }\n    }, \n    /**\n     * Adds a new operation to the queue. Returns a promise that will be resolved\n     * when the promise returned by the new operation is (with its value).\n     */\n    e.prototype.enqueue = function(t) {\n        return this.vs(), this.Is ? new Promise((function(t) {})) : this.Ss(t);\n    }, \n    /**\n     * Enqueue a retryable operation.\n     *\n     * A retryable operation is rescheduled with backoff if it fails with a\n     * IndexedDbTransactionError (the error type used by SimpleDb). All\n     * retryable operations are executed in order and only run if all prior\n     * operations were retried successfully.\n     */\n    e.prototype.Cs = function(t) {\n        var e = this;\n        this.ws((function() {\n            return e.Es.push(t), e.Ns();\n        }));\n    }, \n    /**\n     * Runs the next operation from the retryable queue. If the operation fails,\n     * reschedules with backoff.\n     */\n    e.prototype.Ns = function() {\n        return t.__awaiter(this, void 0, void 0, (function() {\n            var e, n = this;\n            return t.__generator(this, (function(t) {\n                switch (t.label) {\n                  case 0:\n                    if (0 === this.Es.length) return [ 3 /*break*/ , 5 ];\n                    t.label = 1;\n\n                  case 1:\n                    return t.trys.push([ 1, 3, , 4 ]), [ 4 /*yield*/ , this.Es[0]() ];\n\n                  case 2:\n                    return t.sent(), this.Es.shift(), this.ys.reset(), [ 3 /*break*/ , 4 ];\n\n                  case 3:\n                    if (!_r(e = t.sent())) throw e;\n                    // Failure will be handled by AsyncQueue\n                                        return l("AsyncQueue", "Operation failed with retryable error: " + e), \n                    [ 3 /*break*/ , 4 ];\n\n                  case 4:\n                    this.Es.length > 0 && \n                    // If there are additional operations, we re-schedule `retryNextOp()`.\n                    // This is necessary to run retryable operations that failed during\n                    // their initial attempt since we don\'t know whether they are already\n                    // enqueued. If, for example, `op1`, `op2`, `op3` are enqueued and `op1`\n                    // needs to  be re-run, we will run `op1`, `op1`, `op2` using the\n                    // already enqueued calls to `retryNextOp()`. `op3()` will then run in the\n                    // call scheduled here.\n                    // Since `backoffAndRun()` cancels an existing backoff and schedules a\n                    // new backoff on every call, there is only ever a single additional\n                    // operation in the queue.\n                    this.ys.gn((function() {\n                        return n.Ns();\n                    })), t.label = 5;\n\n                  case 5:\n                    return [ 2 /*return*/ ];\n                }\n            }));\n        }));\n    }, e.prototype.Ss = function(t) {\n        var e = this, n = this.Ts.then((function() {\n            return e.gs = !0, t().catch((function(t) {\n                // Re-throw the error so that this.tail becomes a rejected Promise and\n                // all further attempts to chain (via .then) will just short-circuit\n                // and return the rejected Promise.\n                throw e.Rs = t, e.gs = !1, p("INTERNAL UNHANDLED ERROR: ", \n                /**\n * Chrome includes Error.message in Error.stack. Other browsers do not.\n * This returns expected output of message + stack when available.\n * @param error Error or FirestoreError\n */\n                function(t) {\n                    var e = t.message || "";\n                    return t.stack && (e = t.stack.includes(t.message) ? t.stack : t.message + "\\n" + t.stack), \n                    e;\n                }(t)), t;\n            })).then((function(t) {\n                return e.gs = !1, t;\n            }));\n        }));\n        return this.Ts = n, n;\n    }, \n    /**\n     * Schedules an operation to be queued on the AsyncQueue once the specified\n     * `delayMs` has elapsed. The returned DelayedOperation can be used to cancel\n     * or fast-forward the operation prior to its running.\n     */\n    e.prototype.yn = function(t, e, n) {\n        var r = this;\n        this.vs(), \n        // Fast-forward delays for timerIds that have been overriden.\n        this.Ps.indexOf(t) > -1 && (e = 0);\n        var i = Dr._s(this, t, e, n, (function(t) {\n            return r.Fs(t);\n        }));\n        return this.As.push(i), i;\n    }, e.prototype.vs = function() {\n        this.Rs && y();\n    }, \n    /**\n     * Verifies there\'s an operation currently in-progress on the AsyncQueue.\n     * Unfortunately we can\'t verify that the running code is in the promise chain\n     * of that operation, so this isn\'t a foolproof check, but it should be enough\n     * to catch some bugs.\n     */\n    e.prototype.xs = function() {}, \n    /**\n     * Waits until all currently queued tasks are finished executing. Delayed\n     * operations are not run.\n     */\n    e.prototype.$s = function() {\n        return t.__awaiter(this, void 0, void 0, (function() {\n            var e;\n            return t.__generator(this, (function(t) {\n                switch (t.label) {\n                  case 0:\n                    return [ 4 /*yield*/ , e = this.Ts ];\n\n                  case 1:\n                    t.sent(), t.label = 2;\n\n                  case 2:\n                    if (e !== this.Ts) return [ 3 /*break*/ , 0 ];\n                    t.label = 3;\n\n                  case 3:\n                    return [ 2 /*return*/ ];\n                }\n            }));\n        }));\n    }, \n    /**\n     * For Tests: Determine if a delayed operation with a particular TimerId\n     * exists.\n     */\n    e.prototype.ks = function(t) {\n        for (var e = 0, n = this.As; e < n.length; e++) {\n            if (n[e].dn === t) return !0;\n        }\n        return !1;\n    }, \n    /**\n     * For Tests: Runs some or all delayed operations early.\n     *\n     * @param lastTimerId Delayed operations up to and including this TimerId will\n     *  be drained. Pass TimerId.All to run all delayed operations.\n     * @returns a Promise that resolves once all operations have been run.\n     */\n    e.prototype.Ms = function(t) {\n        var e = this;\n        // Note that draining may generate more delayed ops, so we do that first.\n                return this.$s().then((function() {\n            // Run ops in the same order they\'d run if they ran naturally.\n            e.As.sort((function(t, e) {\n                return t.us - e.us;\n            }));\n            for (var n = 0, r = e.As; n < r.length; n++) {\n                var i = r[n];\n                if (i.pn(), "all" /* All */ !== t && i.dn === t) break;\n            }\n            return e.$s();\n        }));\n    }, \n    /**\n     * For Tests: Skip all subsequent delays for a timer id.\n     */\n    e.prototype.Os = function(t) {\n        this.Ps.push(t);\n    }, \n    /** Called once a DelayedOperation is run or canceled. */ e.prototype.Fs = function(t) {\n        // NOTE: indexOf / slice are O(n), but delayedOperations is expected to be small.\n        var e = this.As.indexOf(t);\n        this.As.splice(e, 1);\n    }, e;\n}();\n\n/**\n * Returns a FirestoreError that can be surfaced to the user if the provided\n * error is an IndexedDbTransactionError. Re-throws the error otherwise.\n */\nfunction Lr(t, e) {\n    if (p("AsyncQueue", e + ": " + t), _r(t)) return new c(a.UNAVAILABLE, e + ": " + t);\n    throw t;\n}\n\nvar kr = function() {\n    this.Ls = void 0, this.listeners = [];\n}, Rr = function() {\n    this.Bs = new it((function(t) {\n        return Hn(t);\n    }), Qn), this.onlineState = "Unknown" /* Unknown */ , this.qs = new Set;\n};\n\nfunction Or(e, n) {\n    return t.__awaiter(this, void 0, void 0, (function() {\n        var r, i, o, s, u, a, c;\n        return t.__generator(this, (function(t) {\n            switch (t.label) {\n              case 0:\n                if (r = m(e), i = n.query, o = !1, (s = r.Bs.get(i)) || (o = !0, s = new kr), !o) return [ 3 /*break*/ , 4 ];\n                t.label = 1;\n\n              case 1:\n                return t.trys.push([ 1, 3, , 4 ]), u = s, [ 4 /*yield*/ , r.Us(i) ];\n\n              case 2:\n                return u.Ls = t.sent(), [ 3 /*break*/ , 4 ];\n\n              case 3:\n                return a = t.sent(), c = Lr(a, "Initialization of query \'" + Yn(n.query) + "\' failed"), \n                [ 2 /*return*/ , void n.onError(c) ];\n\n              case 4:\n                return r.Bs.set(i, s), s.listeners.push(n), \n                // Run global snapshot listeners if a consistent snapshot has been emitted.\n                n.Qs(r.onlineState), s.Ls && n.Ws(s.Ls) && Cr(r), [ 2 /*return*/ ];\n            }\n        }));\n    }));\n}\n\nfunction Pr(e, n) {\n    return t.__awaiter(this, void 0, void 0, (function() {\n        var r, i, o, s, u;\n        return t.__generator(this, (function(t) {\n            return r = m(e), i = n.query, o = !1, (s = r.Bs.get(i)) && (u = s.listeners.indexOf(n)) >= 0 && (s.listeners.splice(u, 1), \n            o = 0 === s.listeners.length), o ? [ 2 /*return*/ , (r.Bs.delete(i), r.js(i)) ] : [ 2 /*return*/ ];\n        }));\n    }));\n}\n\nfunction Vr(t, e) {\n    for (var n = m(t), r = !1, i = 0, o = e; i < o.length; i++) {\n        var s = o[i], u = s.query, a = n.Bs.get(u);\n        if (a) {\n            for (var c = 0, h = a.listeners; c < h.length; c++) {\n                h[c].Ws(s) && (r = !0);\n            }\n            a.Ls = s;\n        }\n    }\n    r && Cr(n);\n}\n\nfunction Ur(t, e, n) {\n    var r = m(t), i = r.Bs.get(e);\n    if (i) for (var o = 0, s = i.listeners; o < s.length; o++) {\n        s[o].onError(n);\n    }\n    // Remove all listeners. NOTE: We don\'t need to call syncEngine.unlisten()\n    // after an error.\n        r.Bs.delete(e);\n}\n\n// Call all global snapshot listeners that have been set.\nfunction Cr(t) {\n    t.qs.forEach((function(t) {\n        t.next();\n    }));\n}\n\n/**\n * QueryListener takes a series of internal view snapshots and determines\n * when to raise the event.\n *\n * It uses an Observer to dispatch events.\n */ var Fr = /** @class */ function() {\n    function t(t, e, n) {\n        this.query = t, this.Ks = e, \n        /**\n             * Initial snapshots (e.g. from cache) may not be propagated to the wrapped\n             * observer. This flag is set to true once we\'ve actually raised an event.\n             */\n        this.Gs = !1, this.zs = null, this.onlineState = "Unknown" /* Unknown */ , this.options = n || {}\n        /**\n     * Applies the new ViewSnapshot to this listener, raising a user-facing event\n     * if applicable (depending on what changed, whether the user has opted into\n     * metadata-only changes, etc.). Returns true if a user-facing event was\n     * indeed raised.\n     */;\n    }\n    return t.prototype.Ws = function(t) {\n        if (!this.options.includeMetadataChanges) {\n            for (\n            // Remove the metadata only changes.\n            var e = [], n = 0, r = t.docChanges; n < r.length; n++) {\n                var i = r[n];\n                3 /* Metadata */ !== i.type && e.push(i);\n            }\n            t = new Ft(t.query, t.docs, t.Qt, e, t.Wt, t.fromCache, t.jt, \n            /* excludesMetadataChanges= */ !0);\n        }\n        var o = !1;\n        return this.Gs ? this.Hs(t) && (this.Ks.next(t), o = !0) : this.Ys(t, this.onlineState) && (this.Js(t), \n        o = !0), this.zs = t, o;\n    }, t.prototype.onError = function(t) {\n        this.Ks.error(t);\n    }, \n    /** Returns whether a snapshot was raised. */ t.prototype.Qs = function(t) {\n        this.onlineState = t;\n        var e = !1;\n        return this.zs && !this.Gs && this.Ys(this.zs, t) && (this.Js(this.zs), e = !0), \n        e;\n    }, t.prototype.Ys = function(t, e) {\n        // Always raise the first event when we\'re synced\n        if (!t.fromCache) return !0;\n        // NOTE: We consider OnlineState.Unknown as online (it should become Offline\n        // or Online if we wait long enough).\n                var n = "Offline" /* Offline */ !== e;\n        // Don\'t raise the event if we\'re online, aren\'t synced yet (checked\n        // above) and are waiting for a sync.\n                return !(this.options.Xs && n || t.docs.m() && "Offline" /* Offline */ !== e);\n        // Raise data from cache if we have any documents or we are offline\n        }, t.prototype.Hs = function(t) {\n        // We don\'t need to handle includeDocumentMetadataChanges here because\n        // the Metadata only changes have already been stripped out if needed.\n        // At this point the only changes we will see are the ones we should\n        // propagate.\n        if (t.docChanges.length > 0) return !0;\n        var e = this.zs && this.zs.hasPendingWrites !== t.hasPendingWrites;\n        return !(!t.jt && !e) && !0 === this.options.includeMetadataChanges;\n        // Generally we should have hit one of the cases above, but it\'s possible\n        // to get here if there were only metadata docChanges and they got\n        // stripped out.\n        }, t.prototype.Js = function(t) {\n        t = Ft.Gt(t.query, t.docs, t.Wt, t.fromCache), this.Gs = !0, this.Ks.next(t);\n    }, t;\n}(), Mr = /** @class */ function() {\n    function t(t) {\n        this.uid = t;\n    }\n    return t.prototype.Zs = function() {\n        return null != this.uid;\n    }, \n    /**\n     * Returns a key representing this user, suitable for inclusion in a\n     * dictionary.\n     */\n    t.prototype.ti = function() {\n        return this.Zs() ? "uid:" + this.uid : "anonymous-user";\n    }, t.prototype.isEqual = function(t) {\n        return t.uid === this.uid;\n    }, t;\n}();\n\n/**\n * @license\n * Copyright 2017 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the "License");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an "AS IS" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/**\n * Simple wrapper around a nullable UID. Mostly exists to make code more\n * readable.\n */\n/** A user with a null UID. */ Mr.UNAUTHENTICATED = new Mr(null), \n// TODO(mikelehen): Look into getting a proper uid-equivalent for\n// non-FirebaseAuth providers.\nMr.ei = new Mr("google-credentials-uid"), Mr.ni = new Mr("first-party-uid");\n\n/**\n * @license\n * Copyright 2018 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the "License");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an "AS IS" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/**\n * `ListenSequence` is a monotonic sequence. It is initialized with a minimum value to\n * exceed. All subsequent calls to next will return increasing values. If provided with a\n * `SequenceNumberSyncer`, it will additionally bump its next value when told of a new value, as\n * well as write out sequence numbers that it produces via `next()`.\n */\nvar qr = /** @class */ function() {\n    function t(t, e) {\n        var n = this;\n        this.previousValue = t, e && (e.si = function(t) {\n            return n.ii(t);\n        }, this.ri = function(t) {\n            return e.oi(t);\n        });\n    }\n    return t.prototype.ii = function(t) {\n        return this.previousValue = Math.max(t, this.previousValue), this.previousValue;\n    }, t.prototype.next = function() {\n        var t = ++this.previousValue;\n        return this.ri && this.ri(t), t;\n    }, t;\n}();\n\n/** Assembles the key for a client state in WebStorage */\nfunction jr(t, e) {\n    return "firestore_clients_" + t + "_" + e;\n}\n\n// The format of the WebStorage key that stores the mutation state is:\n//     firestore_mutations_<persistence_prefix>_<batch_id>\n//     (for unauthenticated users)\n// or: firestore_mutations_<persistence_prefix>_<batch_id>_<user_uid>\n// \'user_uid\' is last to avoid needing to escape \'_\' characters that it might\n// contain.\n/** Assembles the key for a mutation batch in WebStorage */ function Gr(t, e, n) {\n    var r = "firestore_mutations_" + t + "_" + n;\n    return e.Zs() && (r += "_" + e.uid), r;\n}\n\n// The format of the WebStorage key that stores a query target\'s metadata is:\n//     firestore_targets_<persistence_prefix>_<target_id>\n/** Assembles the key for a query state in WebStorage */ function zr(t, e) {\n    return "firestore_targets_" + t + "_" + e;\n}\n\n// The WebStorage prefix that stores the primary tab\'s online state. The\n// format of the key is:\n//     firestore_online_state_<persistence_prefix>\n/**\n * Holds the state of a mutation batch, including its user ID, batch ID and\n * whether the batch is \'pending\', \'acknowledged\' or \'rejected\'.\n */\n// Visible for testing\nqr.ai = -1;\n\nvar Br = /** @class */ function() {\n    function t(t, e, n, r) {\n        this.user = t, this.batchId = e, this.state = n, this.error = r\n        /**\n     * Parses a MutationMetadata from its JSON representation in WebStorage.\n     * Logs a warning and returns null if the format of the data is not valid.\n     */;\n    }\n    return t.ci = function(e, n, r) {\n        var i = JSON.parse(r), o = "object" == typeof i && -1 !== [ "pending", "acknowledged", "rejected" ].indexOf(i.state) && (void 0 === i.error || "object" == typeof i.error), s = void 0;\n        return o && i.error && ((o = "string" == typeof i.error.message && "string" == typeof i.error.code) && (s = new c(i.error.code, i.error.message))), \n        o ? new t(e, n, i.state, s) : (p("SharedClientState", "Failed to parse mutation state for ID \'" + n + "\': " + r), \n        null);\n    }, t.prototype.ui = function() {\n        var t = {\n            state: this.state,\n            updateTimeMs: Date.now()\n        };\n        return this.error && (t.error = {\n            code: this.error.code,\n            message: this.error.message\n        }), JSON.stringify(t);\n    }, t;\n}(), Wr = /** @class */ function() {\n    function t(t, e, n) {\n        this.targetId = t, this.state = e, this.error = n\n        /**\n     * Parses a QueryTargetMetadata from its JSON representation in WebStorage.\n     * Logs a warning and returns null if the format of the data is not valid.\n     */;\n    }\n    return t.ci = function(e, n) {\n        var r = JSON.parse(n), i = "object" == typeof r && -1 !== [ "not-current", "current", "rejected" ].indexOf(r.state) && (void 0 === r.error || "object" == typeof r.error), o = void 0;\n        return i && r.error && ((i = "string" == typeof r.error.message && "string" == typeof r.error.code) && (o = new c(r.error.code, r.error.message))), \n        i ? new t(e, r.state, o) : (p("SharedClientState", "Failed to parse target state for ID \'" + e + "\': " + n), \n        null);\n    }, t.prototype.ui = function() {\n        var t = {\n            state: this.state,\n            updateTimeMs: Date.now()\n        };\n        return this.error && (t.error = {\n            code: this.error.code,\n            message: this.error.message\n        }), JSON.stringify(t);\n    }, t;\n}(), Kr = /** @class */ function() {\n    function t(t, e) {\n        this.clientId = t, this.activeTargetIds = e\n        /**\n     * Parses a RemoteClientState from the JSON representation in WebStorage.\n     * Logs a warning and returns null if the format of the data is not valid.\n     */;\n    }\n    return t.ci = function(e, n) {\n        for (var r = JSON.parse(n), i = "object" == typeof r && r.activeTargetIds instanceof Array, o = Vt(), s = 0; i && s < r.activeTargetIds.length; ++s) i = ct(r.activeTargetIds[s]), \n        o = o.add(r.activeTargetIds[s]);\n        return i ? new t(e, o) : (p("SharedClientState", "Failed to parse client data for instance \'" + e + "\': " + n), \n        null);\n    }, t;\n}(), Qr = /** @class */ function() {\n    function t(t, e) {\n        this.clientId = t, this.onlineState = e\n        /**\n     * Parses a SharedOnlineState from its JSON representation in WebStorage.\n     * Logs a warning and returns null if the format of the data is not valid.\n     */;\n    }\n    return t.ci = function(e) {\n        var n = JSON.parse(e);\n        return "object" == typeof n && -1 !== [ "Unknown", "Online", "Offline" ].indexOf(n.onlineState) && "string" == typeof n.clientId ? new t(n.clientId, n.onlineState) : (p("SharedClientState", "Failed to parse online state: " + e), \n        null);\n    }, t;\n}(), Hr = /** @class */ function() {\n    function t() {\n        this.activeTargetIds = Vt();\n    }\n    return t.prototype.hi = function(t) {\n        this.activeTargetIds = this.activeTargetIds.add(t);\n    }, t.prototype.li = function(t) {\n        this.activeTargetIds = this.activeTargetIds.delete(t);\n    }, \n    /**\n     * Converts this entry into a JSON-encoded format we can use for WebStorage.\n     * Does not encode `clientId` as it is part of the key in WebStorage.\n     */\n    t.prototype.ui = function() {\n        var t = {\n            activeTargetIds: this.activeTargetIds.A(),\n            updateTimeMs: Date.now()\n        };\n        return JSON.stringify(t);\n    }, t;\n}(), Yr = /** @class */ function() {\n    function e(t, e, n, r, i) {\n        this.window = t, this.fn = e, this.persistenceKey = n, this._i = r, this.fi = null, \n        this.di = null, this.si = null, this.wi = this.mi.bind(this), this.Ti = new bt(H), \n        this.Ei = !1, \n        /**\n             * Captures WebStorage events that occur before `start()` is called. These\n             * events are replayed once `WebStorageSharedClientState` is started.\n             */\n        this.Ii = [];\n        // Escape the special characters mentioned here:\n        // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Regular_Expressions\n        var o = n.replace(/[.*+?^${}()|[\\]\\\\]/g, "\\\\$&");\n        this.storage = this.window.localStorage, this.currentUser = i, this.Ai = jr(this.persistenceKey, this._i), \n        this.Ri = \n        /** Assembles the key for the current sequence number. */\n        function(t) {\n            return "firestore_sequence_number_" + t;\n        }(this.persistenceKey), this.Ti = this.Ti.ot(this._i, new Hr), this.gi = new RegExp("^firestore_clients_" + o + "_([^_]*)$"), \n        this.Pi = new RegExp("^firestore_mutations_" + o + "_(\\\\d+)(?:_(.*))?$"), this.yi = new RegExp("^firestore_targets_" + o + "_(\\\\d+)$"), \n        this.Vi = \n        /** Assembles the key for the online state of the primary tab. */\n        function(t) {\n            return "firestore_online_state_" + t;\n        }(this.persistenceKey), \n        // Rather than adding the storage observer during start(), we add the\n        // storage observer during initialization. This ensures that we collect\n        // events before other components populate their initial state (during their\n        // respective start() calls). Otherwise, we might for example miss a\n        // mutation that is added after LocalStore\'s start() processed the existing\n        // mutations but before we observe WebStorage events.\n        this.window.addEventListener("storage", this.wi);\n    }\n    /** Returns \'true\' if WebStorage is available in the current environment. */    return e.Ln = function(t) {\n        return !(!t || !t.localStorage);\n    }, e.prototype.start = function() {\n        return t.__awaiter(this, void 0, void 0, (function() {\n            var e, n, r, i, o, s, u, a, c, h, f, l = this;\n            return t.__generator(this, (function(t) {\n                switch (t.label) {\n                  case 0:\n                    return [ 4 /*yield*/ , this.fi.pi() ];\n\n                  case 1:\n                    for (e = t.sent(), n = 0, r = e; n < r.length; n++) (i = r[n]) !== this._i && (o = this.getItem(jr(this.persistenceKey, i))) && (s = Kr.ci(i, o)) && (this.Ti = this.Ti.ot(s.clientId, s));\n                    for (this.bi(), (u = this.storage.getItem(this.Vi)) && (a = this.vi(u)) && this.Si(a), \n                    c = 0, h = this.Ii; c < h.length; c++) f = h[c], this.mi(f);\n                    return this.Ii = [], \n                    // Register a window unload hook to remove the client metadata entry from\n                    // WebStorage even if `shutdown()` was not called.\n                    this.window.addEventListener("unload", (function() {\n                        return l.Di();\n                    })), this.Ei = !0, [ 2 /*return*/ ];\n                }\n            }));\n        }));\n    }, e.prototype.oi = function(t) {\n        this.setItem(this.Ri, JSON.stringify(t));\n    }, e.prototype.Ci = function() {\n        return this.Ni(this.Ti);\n    }, e.prototype.Fi = function(t) {\n        var e = !1;\n        return this.Ti.forEach((function(n, r) {\n            r.activeTargetIds.has(t) && (e = !0);\n        })), e;\n    }, e.prototype.xi = function(t) {\n        this.$i(t, "pending");\n    }, e.prototype.ki = function(t, e, n) {\n        this.$i(t, e, n), \n        // Once a final mutation result is observed by other clients, they no longer\n        // access the mutation\'s metadata entry. Since WebStorage replays events\n        // in order, it is safe to delete the entry right after updating it.\n        this.Mi(t);\n    }, e.prototype.Oi = function(t) {\n        var e = "not-current";\n        // Lookup an existing query state if the target ID was already registered\n        // by another tab\n                if (this.Fi(t)) {\n            var n = this.storage.getItem(zr(this.persistenceKey, t));\n            if (n) {\n                var r = Wr.ci(t, n);\n                r && (e = r.state);\n            }\n        }\n        return this.Li.hi(t), this.bi(), e;\n    }, e.prototype.Bi = function(t) {\n        this.Li.li(t), this.bi();\n    }, e.prototype.qi = function(t) {\n        return this.Li.activeTargetIds.has(t);\n    }, e.prototype.Ui = function(t) {\n        this.removeItem(zr(this.persistenceKey, t));\n    }, e.prototype.Qi = function(t, e, n) {\n        this.Wi(t, e, n);\n    }, e.prototype.ji = function(t, e, n) {\n        var r = this;\n        e.forEach((function(t) {\n            r.Mi(t);\n        })), this.currentUser = t, n.forEach((function(t) {\n            r.xi(t);\n        }));\n    }, e.prototype.Ki = function(t) {\n        this.Gi(t);\n    }, e.prototype.Di = function() {\n        this.Ei && (this.window.removeEventListener("storage", this.wi), this.removeItem(this.Ai), \n        this.Ei = !1);\n    }, e.prototype.getItem = function(t) {\n        var e = this.storage.getItem(t);\n        return l("SharedClientState", "READ", t, e), e;\n    }, e.prototype.setItem = function(t, e) {\n        l("SharedClientState", "SET", t, e), this.storage.setItem(t, e);\n    }, e.prototype.removeItem = function(t) {\n        l("SharedClientState", "REMOVE", t), this.storage.removeItem(t);\n    }, e.prototype.mi = function(e) {\n        var n = this, r = e;\n        // Note: The function is typed to take Event to be interface-compatible with\n        // `Window.addEventListener`.\n                if (r.storageArea === this.storage) {\n            if (l("SharedClientState", "EVENT", r.key, r.newValue), r.key === this.Ai) return void p("Received WebStorage notification for local change. Another client might have garbage-collected our state");\n            this.fn.Cs((function() {\n                return t.__awaiter(n, void 0, void 0, (function() {\n                    var e, n, i, o, s, u;\n                    return t.__generator(this, (function(t) {\n                        if (this.Ei) {\n                            if (null !== r.key) if (this.gi.test(r.key)) {\n                                if (null == r.newValue) return e = this.zi(r.key), [ 2 /*return*/ , this.Hi(e, null) ];\n                                if (n = this.Yi(r.key, r.newValue)) return [ 2 /*return*/ , this.Hi(n.clientId, n) ];\n                            } else if (this.Pi.test(r.key)) {\n                                if (null !== r.newValue && (i = this.Ji(r.key, r.newValue))) return [ 2 /*return*/ , this.Xi(i) ];\n                            } else if (this.yi.test(r.key)) {\n                                if (null !== r.newValue && (o = this.Zi(r.key, r.newValue))) return [ 2 /*return*/ , this.tr(o) ];\n                            } else if (r.key === this.Vi) {\n                                if (null !== r.newValue && (s = this.vi(r.newValue))) return [ 2 /*return*/ , this.Si(s) ];\n                            } else r.key === this.Ri && (u = function(t) {\n                                var e = qr.ai;\n                                if (null != t) try {\n                                    var n = JSON.parse(t);\n                                    g("number" == typeof n), e = n;\n                                } catch (t) {\n                                    p("SharedClientState", "Failed to read sequence number from WebStorage", t);\n                                }\n                                return e;\n                            }(r.newValue)) !== qr.ai && this.si(u);\n                        } else this.Ii.push(r);\n                        return [ 2 /*return*/ ];\n                    }));\n                }));\n            }));\n        }\n    }, Object.defineProperty(e.prototype, "Li", {\n        get: function() {\n            return this.Ti.get(this._i);\n        },\n        enumerable: !1,\n        configurable: !0\n    }), e.prototype.bi = function() {\n        this.setItem(this.Ai, this.Li.ui());\n    }, e.prototype.$i = function(t, e, n) {\n        var r = new Br(this.currentUser, t, e, n), i = Gr(this.persistenceKey, this.currentUser, t);\n        this.setItem(i, r.ui());\n    }, e.prototype.Mi = function(t) {\n        var e = Gr(this.persistenceKey, this.currentUser, t);\n        this.removeItem(e);\n    }, e.prototype.Gi = function(t) {\n        var e = {\n            clientId: this._i,\n            onlineState: t\n        };\n        this.storage.setItem(this.Vi, JSON.stringify(e));\n    }, e.prototype.Wi = function(t, e, n) {\n        var r = zr(this.persistenceKey, t), i = new Wr(t, e, n);\n        this.setItem(r, i.ui());\n    }, \n    /**\n     * Parses a client state key in WebStorage. Returns null if the key does not\n     * match the expected key format.\n     */\n    e.prototype.zi = function(t) {\n        var e = this.gi.exec(t);\n        return e ? e[1] : null;\n    }, \n    /**\n     * Parses a client state in WebStorage. Returns \'null\' if the value could not\n     * be parsed.\n     */\n    e.prototype.Yi = function(t, e) {\n        var n = this.zi(t);\n        return Kr.ci(n, e);\n    }, \n    /**\n     * Parses a mutation batch state in WebStorage. Returns \'null\' if the value\n     * could not be parsed.\n     */\n    e.prototype.Ji = function(t, e) {\n        var n = this.Pi.exec(t), r = Number(n[1]), i = void 0 !== n[2] ? n[2] : null;\n        return Br.ci(new Mr(i), r, e);\n    }, \n    /**\n     * Parses a query target state from WebStorage. Returns \'null\' if the value\n     * could not be parsed.\n     */\n    e.prototype.Zi = function(t, e) {\n        var n = this.yi.exec(t), r = Number(n[1]);\n        return Wr.ci(r, e);\n    }, \n    /**\n     * Parses an online state from WebStorage. Returns \'null\' if the value\n     * could not be parsed.\n     */\n    e.prototype.vi = function(t) {\n        return Qr.ci(t);\n    }, e.prototype.Xi = function(e) {\n        return t.__awaiter(this, void 0, void 0, (function() {\n            return t.__generator(this, (function(t) {\n                return e.user.uid === this.currentUser.uid ? [ 2 /*return*/ , this.fi.er(e.batchId, e.state, e.error) ] : (l("SharedClientState", "Ignoring mutation for non-active user " + e.user.uid), \n                [ 2 /*return*/ ]);\n            }));\n        }));\n    }, e.prototype.tr = function(t) {\n        return this.fi.nr(t.targetId, t.state, t.error);\n    }, e.prototype.Hi = function(t, e) {\n        var n = this, r = e ? this.Ti.ot(t, e) : this.Ti.remove(t), i = this.Ni(this.Ti), o = this.Ni(r), s = [], u = [];\n        return o.forEach((function(t) {\n            i.has(t) || s.push(t);\n        })), i.forEach((function(t) {\n            o.has(t) || u.push(t);\n        })), this.fi.sr(s, u).then((function() {\n            n.Ti = r;\n        }));\n    }, e.prototype.Si = function(t) {\n        // We check whether the client that wrote this online state is still active\n        // by comparing its client ID to the list of clients kept active in\n        // IndexedDb. If a client does not update their IndexedDb client state\n        // within 5 seconds, it is considered inactive and we don\'t emit an online\n        // state event.\n        this.Ti.get(t.clientId) && this.di(t.onlineState);\n    }, e.prototype.Ni = function(t) {\n        var e = Vt();\n        return t.forEach((function(t, n) {\n            e = e.kt(n.activeTargetIds);\n        })), e;\n    }, e;\n}(), $r = /** @class */ function() {\n    function t() {\n        this.ir = new Hr, this.rr = {}, this.di = null, this.si = null;\n    }\n    return t.prototype.xi = function(t) {\n        // No op.\n    }, t.prototype.ki = function(t, e, n) {\n        // No op.\n    }, t.prototype.Oi = function(t) {\n        return this.ir.hi(t), this.rr[t] || "not-current";\n    }, t.prototype.Qi = function(t, e, n) {\n        this.rr[t] = e;\n    }, t.prototype.Bi = function(t) {\n        this.ir.li(t);\n    }, t.prototype.qi = function(t) {\n        return this.ir.activeTargetIds.has(t);\n    }, t.prototype.Ui = function(t) {\n        delete this.rr[t];\n    }, t.prototype.Ci = function() {\n        return this.ir.activeTargetIds;\n    }, t.prototype.Fi = function(t) {\n        return this.ir.activeTargetIds.has(t);\n    }, t.prototype.start = function() {\n        return this.ir = new Hr, Promise.resolve();\n    }, t.prototype.ji = function(t, e, n) {\n        // No op.\n    }, t.prototype.Ki = function(t) {\n        // No op.\n    }, t.prototype.Di = function() {}, t.prototype.oi = function(t) {}, t;\n}(), Xr = /** @class */ function() {\n    /**\n     * @param batchId The unique ID of this mutation batch.\n     * @param localWriteTime The original write time of this mutation.\n     * @param baseMutations Mutations that are used to populate the base\n     * values when this mutation is applied locally. This can be used to locally\n     * overwrite values that are persisted in the remote document cache. Base\n     * mutations are never sent to the backend.\n     * @param mutations The user-provided mutations in this mutation batch.\n     * User-provided mutations are applied both locally and remotely on the\n     * backend.\n     */\n    function t(t, e, n, r) {\n        this.batchId = t, this.ar = e, this.baseMutations = n, this.mutations = r\n        /**\n     * Applies all the mutations in this MutationBatch to the specified document\n     * to create a new remote document\n     *\n     * @param docKey The key of the document to apply mutations to.\n     * @param maybeDoc The document to apply mutations to.\n     * @param batchResult The result of applying the MutationBatch to the\n     * backend.\n     */;\n    }\n    return t.prototype.cr = function(t, e, n) {\n        for (var r = n.ur, i = 0; i < this.mutations.length; i++) {\n            var o = this.mutations[i];\n            o.key.isEqual(t) && (e = dn(o, e, r[i]));\n        }\n        return e;\n    }, \n    /**\n     * Computes the local view of a document given all the mutations in this\n     * batch.\n     *\n     * @param docKey The key of the document to apply mutations to.\n     * @param maybeDoc The document to apply mutations to.\n     */\n    t.prototype.hr = function(t, e) {\n        // First, apply the base state. This allows us to apply non-idempotent\n        // transform against a consistent set of values.\n        for (var n = 0, r = this.baseMutations; n < r.length; n++) {\n            var i = r[n];\n            i.key.isEqual(t) && (e = vn(i, e, e, this.ar));\n        }\n        // Second, apply all user-provided mutations.\n        for (var o = e, s = 0, u = this.mutations; s < u.length; s++) {\n            var a = u[s];\n            a.key.isEqual(t) && (e = vn(a, e, o, this.ar));\n        }\n        return e;\n    }, \n    /**\n     * Computes the local view for all provided documents given the mutations in\n     * this batch.\n     */\n    t.prototype.lr = function(t) {\n        var e = this, n = t;\n        // TODO(mrschmidt): This implementation is O(n^2). If we apply the mutations\n        // directly (as done in `applyToLocalView()`), we can reduce the complexity\n        // to O(n).\n                return this.mutations.forEach((function(r) {\n            var i = e.hr(r.key, t.get(r.key));\n            i && (n = n.ot(r.key, i));\n        })), n;\n    }, t.prototype.keys = function() {\n        return this.mutations.reduce((function(t, e) {\n            return t.add(e.key);\n        }), Ot());\n    }, t.prototype.isEqual = function(t) {\n        return this.batchId === t.batchId && Y(this.mutations, t.mutations, (function(t, e) {\n            return gn(t, e);\n        })) && Y(this.baseMutations, t.baseMutations, (function(t, e) {\n            return gn(t, e);\n        }));\n    }, t;\n}(), Jr = /** @class */ function() {\n    function t(t, e, n, \n    /**\n     * A pre-computed mapping from each mutated document to the resulting\n     * version.\n     */\n    r) {\n        this.batch = t, this._r = e, this.ur = n, this.dr = r\n        /**\n     * Creates a new MutationBatchResult for the given batch and results. There\n     * must be one result for each mutation in the batch. This static factory\n     * caches a document=>version mapping (docVersions).\n     */;\n    }\n    return t.from = function(e, n, r) {\n        g(e.mutations.length === r.length);\n        for (var i = kt, o = e.mutations, s = 0; s < o.length; s++) i = i.ot(o[s].key, r[s].version);\n        return new t(e, n, r, i);\n    }, t;\n}(), Zr = /** @class */ function() {\n    function t() {\n        // A mapping of document key to the new cache entry that should be written (or null if any\n        // existing cache entry should be removed).\n        this.wr = new it((function(t) {\n            return t.toString();\n        }), (function(t, e) {\n            return t.isEqual(e);\n        })), this.mr = !1;\n    }\n    return Object.defineProperty(t.prototype, "readTime", {\n        get: function() {\n            return this.Tr;\n        },\n        set: function(t) {\n            this.Tr = t;\n        },\n        enumerable: !1,\n        configurable: !0\n    }), \n    /**\n     * Buffers a `RemoteDocumentCache.addEntry()` call.\n     *\n     * You can only modify documents that have already been retrieved via\n     * `getEntry()/getEntries()` (enforced via IndexedDbs `apply()`).\n     */\n    t.prototype.Er = function(t, e) {\n        this.Ir(), this.readTime = e, this.wr.set(t.key, t);\n    }, \n    /**\n     * Buffers a `RemoteDocumentCache.removeEntry()` call.\n     *\n     * You can only remove documents that have already been retrieved via\n     * `getEntry()/getEntries()` (enforced via IndexedDbs `apply()`).\n     */\n    t.prototype.Ar = function(t, e) {\n        this.Ir(), e && (this.readTime = e), this.wr.set(t, null);\n    }, \n    /**\n     * Looks up an entry in the cache. The buffered changes will first be checked,\n     * and if no buffered change applies, this will forward to\n     * `RemoteDocumentCache.getEntry()`.\n     *\n     * @param transaction The transaction in which to perform any persistence\n     *     operations.\n     * @param documentKey The key of the entry to look up.\n     * @return The cached Document or NoDocument entry, or null if we have nothing\n     * cached.\n     */\n    t.prototype.Rr = function(t, e) {\n        this.Ir();\n        var n = this.wr.get(e);\n        return void 0 !== n ? yr.resolve(n) : this.gr(t, e);\n    }, \n    /**\n     * Looks up several entries in the cache, forwarding to\n     * `RemoteDocumentCache.getEntry()`.\n     *\n     * @param transaction The transaction in which to perform any persistence\n     *     operations.\n     * @param documentKeys The keys of the entries to look up.\n     * @return A map of cached `Document`s or `NoDocument`s, indexed by key. If an\n     *     entry cannot be found, the corresponding key will be mapped to a null\n     *     value.\n     */\n    t.prototype.getEntries = function(t, e) {\n        return this.Pr(t, e);\n    }, \n    /**\n     * Applies buffered changes to the underlying RemoteDocumentCache, using\n     * the provided transaction.\n     */\n    t.prototype.apply = function(t) {\n        return this.Ir(), this.mr = !0, this.yr(t);\n    }, \n    /** Helper to assert this.changes is not null  */ t.prototype.Ir = function() {}, \n    t;\n}(), ti = "The current tab is not in the required state to perform this operation. It might be necessary to refresh the browser tab.", ei = /** @class */ function() {\n    function t() {\n        this.Vr = [];\n    }\n    return t.prototype.pr = function(t) {\n        this.Vr.push(t);\n    }, t.prototype.br = function() {\n        this.Vr.forEach((function(t) {\n            return t();\n        }));\n    }, t;\n}(), ni = /** @class */ function() {\n    function t(t, e, n) {\n        this.vr = t, this.Sr = e, this.Dr = n\n        /**\n     * Get the local view of the document identified by `key`.\n     *\n     * @return Local view of the document or null if we don\'t have any cached\n     * state for it.\n     */;\n    }\n    return t.prototype.Cr = function(t, e) {\n        var n = this;\n        return this.Sr.Nr(t, e).next((function(r) {\n            return n.Fr(t, e, r);\n        }));\n    }, \n    /** Internal version of `getDocument` that allows reusing batches. */ t.prototype.Fr = function(t, e, n) {\n        return this.vr.Rr(t, e).next((function(t) {\n            for (var r = 0, i = n; r < i.length; r++) {\n                t = i[r].hr(e, t);\n            }\n            return t;\n        }));\n    }, \n    // Returns the view of the given `docs` as they would appear after applying\n    // all mutations in the given `batches`.\n    t.prototype.$r = function(t, e, n) {\n        var r = Dt();\n        return e.forEach((function(t, e) {\n            for (var i = 0, o = n; i < o.length; i++) {\n                e = o[i].hr(t, e);\n            }\n            r = r.ot(t, e);\n        })), r;\n    }, \n    /**\n     * Gets the local view of the documents identified by `keys`.\n     *\n     * If we don\'t have cached state for a document in `keys`, a NoDocument will\n     * be stored for that key in the resulting set.\n     */\n    t.prototype.kr = function(t, e) {\n        var n = this;\n        return this.vr.getEntries(t, e).next((function(e) {\n            return n.Mr(t, e);\n        }));\n    }, \n    /**\n     * Similar to `getDocuments`, but creates the local view from the given\n     * `baseDocs` without retrieving documents from the local store.\n     */\n    t.prototype.Mr = function(t, e) {\n        var n = this;\n        return this.Sr.Or(t, e).next((function(r) {\n            var i = n.$r(t, e, r), o = St();\n            return i.forEach((function(t, e) {\n                // TODO(http://b/32275378): Don\'t conflate missing / deleted.\n                e || (e = new Rn(t, st.min())), o = o.ot(t, e);\n            })), o;\n        }));\n    }, \n    /**\n     * Performs a query against the local view of all documents.\n     *\n     * @param transaction The persistence transaction.\n     * @param query The query to match documents against.\n     * @param sinceReadTime If not set to SnapshotVersion.min(), return only\n     *     documents that have been read since this snapshot version (exclusive).\n     */\n    t.prototype.Lr = function(t, e, n) {\n        /**\n * Returns whether the query matches a single document by path (rather than a\n * collection).\n */\n        return function(t) {\n            return A.F(t.path) && null === t.collectionGroup && 0 === t.filters.length;\n        }(e) ? this.Br(t, e.path) : jn(e) ? this.qr(t, e, n) : this.Ur(t, e, n);\n    }, t.prototype.Br = function(t, e) {\n        // Just do a simple document lookup.\n        return this.Cr(t, new A(e)).next((function(t) {\n            var e = Lt();\n            return t instanceof kn && (e = e.ot(t.key, t)), e;\n        }));\n    }, t.prototype.qr = function(t, e, n) {\n        var r = this, i = e.collectionGroup, o = Lt();\n        return this.Dr.Qr(t, i).next((function(s) {\n            return yr.forEach(s, (function(s) {\n                var u = function(t, e) {\n                    return new Pn(e, \n                    /*collectionGroup=*/ null, t.on.slice(), t.filters.slice(), t.limit, t.an, t.startAt, t.endAt);\n                }(e, s.child(i));\n                return r.Ur(t, u, n).next((function(t) {\n                    t.forEach((function(t, e) {\n                        o = o.ot(t, e);\n                    }));\n                }));\n            })).next((function() {\n                return o;\n            }));\n        }));\n    }, t.prototype.Ur = function(t, e, n) {\n        var r, i, o = this;\n        // Query the remote documents and overlay mutations.\n                return this.vr.Lr(t, e, n).next((function(n) {\n            return r = n, o.Sr.Wr(t, e);\n        })).next((function(e) {\n            return i = e, o.jr(t, i, r).next((function(t) {\n                r = t;\n                for (var e = 0, n = i; e < n.length; e++) for (var o = n[e], s = 0, u = o.mutations; s < u.length; s++) {\n                    var a = u[s], c = a.key, h = r.get(c), f = vn(a, h, h, o.ar);\n                    r = f instanceof kn ? r.ot(c, f) : r.remove(c);\n                }\n            }));\n        })).next((function() {\n            // Finally, filter out any documents that don\'t actually match\n            // the query.\n            return r.forEach((function(t, n) {\n                $n(e, n) || (r = r.remove(t));\n            })), r;\n        }));\n    }, t.prototype.jr = function(t, e, n) {\n        for (var r = Ot(), i = 0, o = e; i < o.length; i++) for (var s = 0, u = o[i].mutations; s < u.length; s++) {\n            var a = u[s];\n            a instanceof _n && null === n.get(a.key) && (r = r.add(a.key));\n        }\n        var c = n;\n        return this.vr.getEntries(t, r).next((function(t) {\n            return t.forEach((function(t, e) {\n                null !== e && e instanceof kn && (c = c.ot(t, e));\n            })), c;\n        }));\n    }, t;\n}(), ri = /** @class */ function() {\n    function t(t, e, n, r) {\n        this.targetId = t, this.fromCache = e, this.Kr = n, this.Gr = r;\n    }\n    return t.zr = function(e, n) {\n        for (var r = Ot(), i = Ot(), o = 0, s = n.docChanges; o < s.length; o++) {\n            var u = s[o];\n            switch (u.type) {\n              case 0 /* Added */ :\n                r = r.add(u.doc.key);\n                break;\n\n              case 1 /* Removed */ :\n                i = i.add(u.doc.key);\n                // do nothing\n                        }\n        }\n        return new t(e, n.fromCache, r, i);\n    }, t;\n}();\n\n/**\n * Holds the state of a query target, including its target ID and whether the\n * target is \'not-current\', \'current\' or \'rejected\'.\n */\n// Visible for testing\n/**\n * @license\n * Copyright 2018 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the "License");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an "AS IS" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\nfunction ii(t, e) {\n    var n = t[0], r = t[1], i = e[0], o = e[1], s = H(n, i);\n    return 0 === s ? H(r, o) : s;\n}\n\n/**\n * Used to calculate the nth sequence number. Keeps a rolling buffer of the\n * lowest n values passed to `addElement`, and finally reports the largest of\n * them in `maxValue`.\n */ var oi = /** @class */ function() {\n    function t(t) {\n        this.Hr = t, this.buffer = new Tt(ii), this.Yr = 0;\n    }\n    return t.prototype.Jr = function() {\n        return ++this.Yr;\n    }, t.prototype.Xr = function(t) {\n        var e = [ t, this.Jr() ];\n        if (this.buffer.size < this.Hr) this.buffer = this.buffer.add(e); else {\n            var n = this.buffer.last();\n            ii(e, n) < 0 && (this.buffer = this.buffer.delete(n).add(e));\n        }\n    }, Object.defineProperty(t.prototype, "maxValue", {\n        get: function() {\n            // Guaranteed to be non-empty. If we decide we are not collecting any\n            // sequence numbers, nthSequenceNumber below short-circuits. If we have\n            // decided that we are collecting n sequence numbers, it\'s because n is some\n            // percentage of the existing sequence numbers. That means we should never\n            // be in a situation where we are collecting sequence numbers but don\'t\n            // actually have any.\n            return this.buffer.last()[0];\n        },\n        enumerable: !1,\n        configurable: !0\n    }), t;\n}(), si = {\n    Zr: !1,\n    eo: 0,\n    no: 0,\n    so: 0\n}, ui = /** @class */ function() {\n    function t(\n    // When we attempt to collect, we will only do so if the cache size is greater than this\n    // threshold. Passing `COLLECTION_DISABLED` here will cause collection to always be skipped.\n    t, \n    // The percentage of sequence numbers that we will attempt to collect\n    e, \n    // A cap on the total number of sequence numbers that will be collected. This prevents\n    // us from collecting a huge number of sequence numbers if the cache has grown very large.\n    n) {\n        this.io = t, this.ro = e, this.oo = n;\n    }\n    return t.ao = function(e) {\n        return new t(e, t.co, t.uo);\n    }, t;\n}();\n\nui.ho = -1, ui.lo = 1048576, ui._o = 41943040, ui.co = 10, ui.uo = 1e3, ui.fo = new ui(ui._o, ui.co, ui.uo), \nui.do = new ui(ui.ho, 0, 0);\n\n/**\n * This class is responsible for the scheduling of LRU garbage collection. It handles checking\n * whether or not GC is enabled, as well as which delay to use before the next run.\n */\nvar ai = /** @class */ function() {\n    function e(t, e) {\n        this.wo = t, this.cs = e, this.mo = !1, this.To = null;\n    }\n    return e.prototype.start = function(t) {\n        this.wo.params.io !== ui.ho && this.Eo(t);\n    }, e.prototype.stop = function() {\n        this.To && (this.To.cancel(), this.To = null);\n    }, Object.defineProperty(e.prototype, "Ei", {\n        get: function() {\n            return null !== this.To;\n        },\n        enumerable: !1,\n        configurable: !0\n    }), e.prototype.Eo = function(e) {\n        var n = this, r = this.mo ? 3e5 : 6e4;\n        l("LruGarbageCollector", "Garbage collection scheduled in " + r + "ms"), this.To = this.cs.yn("lru_garbage_collection" /* LruGarbageCollection */ , r, (function() {\n            return t.__awaiter(n, void 0, void 0, (function() {\n                var n;\n                return t.__generator(this, (function(t) {\n                    switch (t.label) {\n                      case 0:\n                        this.To = null, this.mo = !0, t.label = 1;\n\n                      case 1:\n                        return t.trys.push([ 1, 3, , 7 ]), [ 4 /*yield*/ , e.Io(this.wo) ];\n\n                      case 2:\n                        return t.sent(), [ 3 /*break*/ , 7 ];\n\n                      case 3:\n                        return _r(n = t.sent()) ? (l("LruGarbageCollector", "Ignoring IndexedDB error during garbage collection: ", n), \n                        [ 3 /*break*/ , 6 ]) : [ 3 /*break*/ , 4 ];\n\n                      case 4:\n                        return [ 4 /*yield*/ , Do(n) ];\n\n                      case 5:\n                        t.sent(), t.label = 6;\n\n                      case 6:\n                        return [ 3 /*break*/ , 7 ];\n\n                      case 7:\n                        return [ 4 /*yield*/ , this.Eo(e) ];\n\n                      case 8:\n                        return t.sent(), [ 2 /*return*/ ];\n                    }\n                }));\n            }));\n        }));\n    }, e;\n}(), ci = /** @class */ function() {\n    function t(t, e) {\n        this.Ao = t, this.params = e\n        /** Given a percentile of target to collect, returns the number of targets to collect. */;\n    }\n    return t.prototype.Ro = function(t, e) {\n        return this.Ao.Po(t).next((function(t) {\n            return Math.floor(e / 100 * t);\n        }));\n    }, \n    /** Returns the nth sequence number, counting in order from the smallest. */ t.prototype.yo = function(t, e) {\n        var n = this;\n        if (0 === e) return yr.resolve(qr.ai);\n        var r = new oi(e);\n        return this.Ao.Ce(t, (function(t) {\n            return r.Xr(t.sequenceNumber);\n        })).next((function() {\n            return n.Ao.Vo(t, (function(t) {\n                return r.Xr(t);\n            }));\n        })).next((function() {\n            return r.maxValue;\n        }));\n    }, \n    /**\n     * Removes targets with a sequence number equal to or less than the given upper bound, and removes\n     * document associations with those targets.\n     */\n    t.prototype.po = function(t, e, n) {\n        return this.Ao.po(t, e, n);\n    }, \n    /**\n     * Removes documents that have a sequence number equal to or less than the upper bound and are not\n     * otherwise pinned.\n     */\n    t.prototype.bo = function(t, e) {\n        return this.Ao.bo(t, e);\n    }, t.prototype.vo = function(t, e) {\n        var n = this;\n        return this.params.io === ui.ho ? (l("LruGarbageCollector", "Garbage collection skipped; disabled"), \n        yr.resolve(si)) : this.So(t).next((function(r) {\n            return r < n.params.io ? (l("LruGarbageCollector", "Garbage collection skipped; Cache size " + r + " is lower than threshold " + n.params.io), \n            si) : n.Do(t, e);\n        }));\n    }, t.prototype.So = function(t) {\n        return this.Ao.So(t);\n    }, t.prototype.Do = function(t, e) {\n        var r, i, o, s, u, a, c, h = this, p = Date.now();\n        return this.Ro(t, this.params.ro).next((function(e) {\n            // Cap at the configured max\n            return e > h.params.oo ? (l("LruGarbageCollector", "Capping sequence numbers to collect down to the maximum of " + h.params.oo + " from " + e), \n            i = h.params.oo) : i = e, s = Date.now(), h.yo(t, i);\n        })).next((function(n) {\n            return r = n, u = Date.now(), h.po(t, r, e);\n        })).next((function(e) {\n            return o = e, a = Date.now(), h.bo(t, r);\n        })).next((function(t) {\n            return c = Date.now(), f() <= n.LogLevel.DEBUG && l("LruGarbageCollector", "LRU Garbage Collection\\n\\tCounted targets in " + (s - p) + "ms\\n\\tDetermined least recently used " + i + " in " + (u - s) + "ms\\n\\tRemoved " + o + " targets in " + (a - u) + "ms\\n\\tRemoved " + t + " documents in " + (c - a) + "ms\\nTotal Duration: " + (c - p) + "ms"), \n            yr.resolve({\n                Zr: !0,\n                eo: i,\n                no: o,\n                so: t\n            });\n        }));\n    }, t;\n}();\n\n/** Implements the steps for LRU garbage collection. */\n/**\n * @license\n * Copyright 2017 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the "License");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an "AS IS" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/**\n * Encodes a resource path into a IndexedDb-compatible string form.\n */\nfunction hi(t) {\n    for (var e = "", n = 0; n < t.length; n++) e.length > 0 && (e = li(e)), e = fi(t.get(n), e);\n    return li(e);\n}\n\n/** Encodes a single segment of a resource path into the given result */ function fi(t, e) {\n    for (var n = e, r = t.length, i = 0; i < r; i++) {\n        var o = t.charAt(i);\n        switch (o) {\n          case "\\0":\n            n += "
";\n            break;\n\n          case "
":\n            n += "
";\n            break;\n\n          default:\n            n += o;\n        }\n    }\n    return n;\n}\n\n/** Encodes a path separator into the given result */ function li(t) {\n    return t + "

";\n}\n\n/**\n * Decodes the given IndexedDb-compatible string form of a resource path into\n * a ResourcePath instance. Note that this method is not suitable for use with\n * decoding resource names from the server; those are One Platform format\n * strings.\n */ function pi(t) {\n    // Event the empty path must encode as a path of at least length 2. A path\n    // with exactly 2 must be the empty path.\n    var e = t.length;\n    if (g(e >= 2), 2 === e) return g("
" === t.charAt(0) && "
" === t.charAt(1)), E.P();\n    // Escape characters cannot exist past the second-to-last position in the\n    // source value.\n        for (var n = e - 2, r = [], i = "", o = 0; o < e; ) {\n        // The last two characters of a valid encoded path must be a separator, so\n        // there must be an end to this segment.\n        var s = t.indexOf("
", o);\n        switch ((s < 0 || s > n) && y(), t.charAt(s + 1)) {\n          case "
":\n            var u = t.substring(o, s), a = void 0;\n            0 === i.length ? \n            // Avoid copying for the common case of a segment that excludes \\0\n            // and \\001\n            a = u : (a = i += u, i = ""), r.push(a);\n            break;\n\n          case "":\n            i += t.substring(o, s), i += "\\0";\n            break;\n\n          case "":\n            // The escape character can be used in the output to encode itself.\n            i += t.substring(o, s + 1);\n            break;\n\n          default:\n            y();\n        }\n        o = s + 2;\n    }\n    return new E(r);\n}\n\n/**\n * @license\n * Copyright 2017 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the "License");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an "AS IS" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/** Serializer for values stored in the LocalStore. */ var di = function(t) {\n    this.Co = t;\n};\n\n/** Decodes a remote document from storage locally to a Document. */ function vi(t, e) {\n    if (e.document) return function(t, e, n) {\n        var r = Se(t, e.name), i = Ee(e.updateTime), o = new Sn({\n            mapValue: {\n                fields: e.fields\n            }\n        });\n        return new kn(r, i, o, {\n            hasCommittedMutations: !!n\n        });\n    }(t.Co, e.document, !!e.hasCommittedMutations);\n    if (e.noDocument) {\n        var n = A.$(e.noDocument.path), r = _i(e.noDocument.readTime);\n        return new Rn(n, r, {\n            hasCommittedMutations: !!e.hasCommittedMutations\n        });\n    }\n    if (e.unknownDocument) {\n        var i = A.$(e.unknownDocument.path), o = _i(e.unknownDocument.version);\n        return new On(i, o);\n    }\n    return y();\n}\n\n/** Encodes a document for storage locally. */ function yi(t, e, n) {\n    var r = gi(n), i = e.key.path.h().A();\n    if (e instanceof kn) {\n        var o = function(t, e) {\n            return {\n                name: Ae(t, e.key),\n                fields: e.rn().mapValue.fields,\n                updateTime: _e(t, e.version.Z())\n            };\n        }(t.Co, e), s = e.hasCommittedMutations;\n        return new Ki(\n        /* unknownDocument= */ null, \n        /* noDocument= */ null, o, s, r, i);\n    }\n    if (e instanceof Rn) {\n        var u = e.key.path.A(), a = wi(e.version), c = e.hasCommittedMutations;\n        return new Ki(\n        /* unknownDocument= */ null, new Bi(u, a), \n        /* document= */ null, c, r, i);\n    }\n    if (e instanceof On) {\n        var h = e.key.path.A(), f = wi(e.version);\n        return new Ki(new Wi(h, f), \n        /* noDocument= */ null, \n        /* document= */ null, \n        /* hasCommittedMutations= */ !0, r, i);\n    }\n    return y();\n}\n\nfunction gi(t) {\n    var e = t.Z();\n    return [ e.seconds, e.nanoseconds ];\n}\n\nfunction mi(t) {\n    var e = new ot(t[0], t[1]);\n    return st.J(e);\n}\n\nfunction wi(t) {\n    var e = t.Z();\n    return new Mi(e.seconds, e.nanoseconds);\n}\n\nfunction _i(t) {\n    var e = new ot(t.seconds, t.nanoseconds);\n    return st.J(e);\n}\n\n/** Encodes a batch of mutations into a DbMutationBatch for local storage. */\n/** Decodes a DbMutationBatch into a MutationBatch */ function bi(t, e) {\n    var n = (e.baseMutations || []).map((function(e) {\n        return Pe(t.Co, e);\n    })), r = e.mutations.map((function(e) {\n        return Pe(t.Co, e);\n    })), i = ot.fromMillis(e.localWriteTimeMs);\n    return new Xr(e.batchId, i, n, r);\n}\n\n/** Decodes a DbTarget into TargetData */ function Ii(t) {\n    var e, n, r = _i(t.readTime), i = void 0 !== t.lastLimboFreeSnapshotVersion ? _i(t.lastLimboFreeSnapshotVersion) : st.min();\n    return void 0 !== t.query.documents ? (g(1 === (n = t.query).documents.length), \n    e = zn(Un(xe(n.documents[0])))) : e = Ce(t.query), new gt(e, t.targetId, 0 /* Listen */ , t.lastListenSequenceNumber, r, i, X.fromBase64String(t.resumeToken))\n    /** Encodes TargetData into a DbTarget for storage locally. */;\n}\n\nfunction Ei(t, e) {\n    var n, r = wi(e.nt), i = wi(e.lastLimboFreeSnapshotVersion);\n    n = dt(e.target) ? Ve(t.Co, e.target) : Ue(t.Co, e.target);\n    // We can\'t store the resumeToken as a ByteString in IndexedDb, so we\n    // convert it to a base64 string for storage.\n    var o = e.resumeToken.toBase64();\n    // lastListenSequenceNumber is always 0 until we do real GC.\n        return new Hi(e.targetId, lt(e.target), r, o, e.sequenceNumber, i, n);\n}\n\n/**\n * A helper function for figuring out what kind of query has been stored.\n */\n/**\n * @license\n * Copyright 2017 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the "License");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an "AS IS" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/** A mutation queue for a specific user, backed by IndexedDB. */ var Ti = /** @class */ function() {\n    function t(\n    /**\n     * The normalized userId (e.g. null UID => "" userId) used to store /\n     * retrieve mutations.\n     */\n    t, e, n, r) {\n        this.userId = t, this.serializer = e, this.Dr = n, this.No = r, \n        /**\n             * Caches the document keys for pending mutation batches. If the mutation\n             * has been removed from IndexedDb, the cached value may continue to\n             * be used to retrieve the batch\'s document keys. To remove a cached value\n             * locally, `removeCachedMutationKeys()` should be invoked either directly\n             * or through `removeMutationBatches()`.\n             *\n             * With multi-tab, when the primary client acknowledges or rejects a mutation,\n             * this cache is used by secondary clients to invalidate the local\n             * view of the documents that were previously affected by the mutation.\n             */\n        // PORTING NOTE: Multi-tab only.\n        this.Fo = {}\n        /**\n     * Creates a new mutation queue for the given user.\n     * @param user The user for which to create a mutation queue.\n     * @param serializer The serializer to use when persisting to IndexedDb.\n     */;\n    }\n    return t.xo = function(e, n, r, i) {\n        // TODO(mcg): Figure out what constraints there are on userIDs\n        // In particular, are there any reserved characters? are empty ids allowed?\n        // For the moment store these together in the same mutations table assuming\n        // that empty userIDs aren\'t allowed.\n        return g("" !== e.uid), new t(e.Zs() ? e.uid : "", n, r, i);\n    }, t.prototype.$o = function(t) {\n        var e = !0, n = IDBKeyRange.bound([ this.userId, Number.NEGATIVE_INFINITY ], [ this.userId, Number.POSITIVE_INFINITY ]);\n        return Si(t).rs({\n            index: Gi.userMutationsIndex,\n            range: n\n        }, (function(t, n, r) {\n            e = !1, r.done();\n        })).next((function() {\n            return e;\n        }));\n    }, t.prototype.ko = function(t, e, n, r) {\n        var i = this, o = Di(t), s = Si(t);\n        // The IndexedDb implementation in Chrome (and Firefox) does not handle\n        // compound indices that include auto-generated keys correctly. To ensure\n        // that the index entry is added correctly in all browsers, we perform two\n        // writes: The first write is used to retrieve the next auto-generated Batch\n        // ID, and the second write populates the index and stores the actual\n        // mutation batch.\n        // See: https://bugs.chromium.org/p/chromium/issues/detail?id=701972\n        // We write an empty object to obtain key\n        // eslint-disable-next-line @typescript-eslint/no-explicit-any\n        return s.add({}).next((function(u) {\n            g("number" == typeof u);\n            for (var a = new Xr(u, e, n, r), c = function(t, e, n) {\n                var r = n.baseMutations.map((function(e) {\n                    return Oe(t.Co, e);\n                })), i = n.mutations.map((function(e) {\n                    return Oe(t.Co, e);\n                }));\n                return new Gi(e, n.batchId, n.ar.toMillis(), r, i);\n            }(i.serializer, i.userId, a), h = [], f = new Tt((function(t, e) {\n                return H(t.R(), e.R());\n            })), l = 0, p = r; l < p.length; l++) {\n                var d = p[l], v = zi.key(i.userId, d.key.path, u);\n                f = f.add(d.key.path.h()), h.push(s.put(c)), h.push(o.put(v, zi.PLACEHOLDER));\n            }\n            return f.forEach((function(e) {\n                h.push(i.Dr.Mo(t, e));\n            })), t.pr((function() {\n                i.Fo[u] = a.keys();\n            })), yr.$n(h).next((function() {\n                return a;\n            }));\n        }));\n    }, t.prototype.Oo = function(t, e) {\n        var n = this;\n        return Si(t).get(e).next((function(t) {\n            return t ? (g(t.userId === n.userId), bi(n.serializer, t)) : null;\n        }));\n    }, \n    /**\n     * Returns the document keys for the mutation batch with the given batchId.\n     * For primary clients, this method returns `null` after\n     * `removeMutationBatches()` has been called. Secondary clients return a\n     * cached result until `removeCachedMutationKeys()` is invoked.\n     */\n    // PORTING NOTE: Multi-tab only.\n    t.prototype.Lo = function(t, e) {\n        var n = this;\n        return this.Fo[e] ? yr.resolve(this.Fo[e]) : this.Oo(t, e).next((function(t) {\n            if (t) {\n                var r = t.keys();\n                return n.Fo[e] = r, r;\n            }\n            return null;\n        }));\n    }, t.prototype.Bo = function(t, e) {\n        var n = this, r = e + 1, i = IDBKeyRange.lowerBound([ this.userId, r ]), o = null;\n        return Si(t).rs({\n            index: Gi.userMutationsIndex,\n            range: i\n        }, (function(t, e, i) {\n            e.userId === n.userId && (g(e.batchId >= r), o = bi(n.serializer, e)), i.done();\n        })).next((function() {\n            return o;\n        }));\n    }, t.prototype.qo = function(t) {\n        var e = IDBKeyRange.upperBound([ this.userId, Number.POSITIVE_INFINITY ]), n = -1;\n        return Si(t).rs({\n            index: Gi.userMutationsIndex,\n            range: e,\n            reverse: !0\n        }, (function(t, e, r) {\n            n = e.batchId, r.done();\n        })).next((function() {\n            return n;\n        }));\n    }, t.prototype.Uo = function(t) {\n        var e = this, n = IDBKeyRange.bound([ this.userId, -1 ], [ this.userId, Number.POSITIVE_INFINITY ]);\n        return Si(t).ts(Gi.userMutationsIndex, n).next((function(t) {\n            return t.map((function(t) {\n                return bi(e.serializer, t);\n            }));\n        }));\n    }, t.prototype.Nr = function(t, e) {\n        var n = this, r = zi.prefixForPath(this.userId, e.path), i = IDBKeyRange.lowerBound(r), o = [];\n        // Scan the document-mutation index starting with a prefix starting with\n        // the given documentKey.\n                return Di(t).rs({\n            range: i\n        }, (function(r, i, s) {\n            var u = r[0], a = r[1], c = r[2], h = pi(a);\n            // Only consider rows matching exactly the specific key of\n            // interest. Note that because we order by path first, and we\n            // order terminators before path separators, we\'ll encounter all\n            // the index rows for documentKey contiguously. In particular, all\n            // the rows for documentKey will occur before any rows for\n            // documents nested in a subcollection beneath documentKey so we\n            // can stop as soon as we hit any such row.\n                        if (u === n.userId && e.path.isEqual(h)) \n            // Look up the mutation batch in the store.\n            return Si(t).get(c).next((function(t) {\n                if (!t) throw y();\n                g(t.userId === n.userId), o.push(bi(n.serializer, t));\n            }));\n            s.done();\n        })).next((function() {\n            return o;\n        }));\n    }, t.prototype.Or = function(t, e) {\n        var n = this, r = new Tt(H), i = [];\n        return e.forEach((function(e) {\n            var o = zi.prefixForPath(n.userId, e.path), s = IDBKeyRange.lowerBound(o), u = Di(t).rs({\n                range: s\n            }, (function(t, i, o) {\n                var s = t[0], u = t[1], a = t[2], c = pi(u);\n                // Only consider rows matching exactly the specific key of\n                // interest. Note that because we order by path first, and we\n                // order terminators before path separators, we\'ll encounter all\n                // the index rows for documentKey contiguously. In particular, all\n                // the rows for documentKey will occur before any rows for\n                // documents nested in a subcollection beneath documentKey so we\n                // can stop as soon as we hit any such row.\n                                s === n.userId && e.path.isEqual(c) ? r = r.add(a) : o.done();\n            }));\n            i.push(u);\n        })), yr.$n(i).next((function() {\n            return n.Qo(t, r);\n        }));\n    }, t.prototype.Wr = function(t, e) {\n        var n = this, r = e.path, i = r.length + 1, o = zi.prefixForPath(this.userId, r), s = IDBKeyRange.lowerBound(o), u = new Tt(H);\n        return Di(t).rs({\n            range: s\n        }, (function(t, e, o) {\n            var s = t[0], a = t[1], c = t[2], h = pi(a);\n            s === n.userId && r.T(h) ? \n            // Rows with document keys more than one segment longer than the\n            // query path can\'t be matches. For example, a query on \'rooms\'\n            // can\'t match the document /rooms/abc/messages/xyx.\n            // TODO(mcg): we\'ll need a different scanner when we implement\n            // ancestor queries.\n            h.length === i && (u = u.add(c)) : o.done();\n        })).next((function() {\n            return n.Qo(t, u);\n        }));\n    }, t.prototype.Qo = function(t, e) {\n        var n = this, r = [], i = [];\n        // TODO(rockwood): Implement this using iterate.\n        return e.forEach((function(e) {\n            i.push(Si(t).get(e).next((function(t) {\n                if (null === t) throw y();\n                g(t.userId === n.userId), r.push(bi(n.serializer, t));\n            })));\n        })), yr.$n(i).next((function() {\n            return r;\n        }));\n    }, t.prototype.Wo = function(t, e) {\n        var n = this;\n        return Ai(t.jo, this.userId, e).next((function(r) {\n            return t.pr((function() {\n                n.Ko(e.batchId);\n            })), yr.forEach(r, (function(e) {\n                return n.No.Go(t, e);\n            }));\n        }));\n    }, \n    /**\n     * Clears the cached keys for a mutation batch. This method should be\n     * called by secondary clients after they process mutation updates.\n     *\n     * Note that this method does not have to be called from primary clients as\n     * the corresponding cache entries are cleared when an acknowledged or\n     * rejected batch is removed from the mutation queue.\n     */\n    // PORTING NOTE: Multi-tab only\n    t.prototype.Ko = function(t) {\n        delete this.Fo[t];\n    }, t.prototype.zo = function(t) {\n        var e = this;\n        return this.$o(t).next((function(n) {\n            if (!n) return yr.resolve();\n            // Verify that there are no entries in the documentMutations index if\n            // the queue is empty.\n                        var r = IDBKeyRange.lowerBound(zi.prefixForUser(e.userId)), i = [];\n            return Di(t).rs({\n                range: r\n            }, (function(t, n, r) {\n                if (t[0] === e.userId) {\n                    var o = pi(t[1]);\n                    i.push(o);\n                } else r.done();\n            })).next((function() {\n                g(0 === i.length);\n            }));\n        }));\n    }, t.prototype.Ho = function(t, e) {\n        return Ni(t, this.userId, e);\n    }, \n    // PORTING NOTE: Multi-tab only (state is held in memory in other clients).\n    /** Returns the mutation queue\'s metadata from IndexedDb. */\n    t.prototype.Yo = function(t) {\n        var e = this;\n        return xi(t).get(this.userId).next((function(t) {\n            return t || new ji(e.userId, -1, \n            /*lastStreamToken=*/ "");\n        }));\n    }, t;\n}();\n\n/**\n * @return true if the mutation queue for the given user contains a pending\n *         mutation for the given key.\n */ function Ni(t, e, n) {\n    var r = zi.prefixForPath(e, n.path), i = r[1], o = IDBKeyRange.lowerBound(r), s = !1;\n    return Di(t).rs({\n        range: o,\n        ss: !0\n    }, (function(t, n, r) {\n        var o = t[0], u = t[1];\n        t[2];\n        o === e && u === i && (s = !0), r.done();\n    })).next((function() {\n        return s;\n    }));\n}\n\n/** Returns true if any mutation queue contains the given document. */\n/**\n * Delete a mutation batch and the associated document mutations.\n * @return A PersistencePromise of the document mutations that were removed.\n */ function Ai(t, e, n) {\n    var r = t.store(Gi.store), i = t.store(zi.store), o = [], s = IDBKeyRange.only(n.batchId), u = 0, a = r.rs({\n        range: s\n    }, (function(t, e, n) {\n        return u++, n.delete();\n    }));\n    o.push(a.next((function() {\n        g(1 === u);\n    })));\n    for (var c = [], h = 0, f = n.mutations; h < f.length; h++) {\n        var l = f[h], p = zi.key(e, l.key.path, n.batchId);\n        o.push(i.delete(p)), c.push(l.key);\n    }\n    return yr.$n(o).next((function() {\n        return c;\n    }));\n}\n\n/**\n * Helper to get a typed SimpleDbStore for the mutations object store.\n */ function Si(t) {\n    return ho.Qn(t, Gi.store);\n}\n\n/**\n * Helper to get a typed SimpleDbStore for the mutationQueues object store.\n */ function Di(t) {\n    return ho.Qn(t, zi.store);\n}\n\n/**\n * Helper to get a typed SimpleDbStore for the mutationQueues object store.\n */ function xi(t) {\n    return ho.Qn(t, ji.store);\n}\n\n/**\n * @license\n * Copyright 2017 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the "License");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an "AS IS" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/**\n * The RemoteDocumentCache for IndexedDb. To construct, invoke\n * `newIndexedDbRemoteDocumentCache()`.\n */ var Li = /** @class */ function() {\n    /**\n     * @param serializer The document serializer.\n     * @param indexManager The query indexes that need to be maintained.\n     */\n    function t(t, e) {\n        this.serializer = t, this.Dr = e\n        /**\n     * Adds the supplied entries to the cache.\n     *\n     * All calls of `addEntry` are required to go through the RemoteDocumentChangeBuffer\n     * returned by `newChangeBuffer()` to ensure proper accounting of metadata.\n     */;\n    }\n    return t.prototype.Er = function(t, e, n) {\n        return Oi(t).put(Pi(e), n);\n    }, \n    /**\n     * Removes a document from the cache.\n     *\n     * All calls of `removeEntry`  are required to go through the RemoteDocumentChangeBuffer\n     * returned by `newChangeBuffer()` to ensure proper accounting of metadata.\n     */\n    t.prototype.Ar = function(t, e) {\n        var n = Oi(t), r = Pi(e);\n        return n.delete(r);\n    }, \n    /**\n     * Updates the current cache size.\n     *\n     * Callers to `addEntry()` and `removeEntry()` *must* call this afterwards to update the\n     * cache\'s metadata.\n     */\n    t.prototype.updateMetadata = function(t, e) {\n        var n = this;\n        return this.getMetadata(t).next((function(r) {\n            return r.byteSize += e, n.Jo(t, r);\n        }));\n    }, t.prototype.Rr = function(t, e) {\n        var n = this;\n        return Oi(t).get(Pi(e)).next((function(t) {\n            return n.Xo(t);\n        }));\n    }, \n    /**\n     * Looks up an entry in the cache.\n     *\n     * @param documentKey The key of the entry to look up.\n     * @return The cached MaybeDocument entry and its size, or null if we have nothing cached.\n     */\n    t.prototype.Zo = function(t, e) {\n        var n = this;\n        return Oi(t).get(Pi(e)).next((function(t) {\n            var e = n.Xo(t);\n            return e ? {\n                ta: e,\n                size: Vi(t)\n            } : null;\n        }));\n    }, t.prototype.getEntries = function(t, e) {\n        var n = this, r = Dt();\n        return this.ea(t, e, (function(t, e) {\n            var i = n.Xo(e);\n            r = r.ot(t, i);\n        })).next((function() {\n            return r;\n        }));\n    }, \n    /**\n     * Looks up several entries in the cache.\n     *\n     * @param documentKeys The set of keys entries to look up.\n     * @return A map of MaybeDocuments indexed by key (if a document cannot be\n     *     found, the key will be mapped to null) and a map of sizes indexed by\n     *     key (zero if the key cannot be found).\n     */\n    t.prototype.na = function(t, e) {\n        var n = this, r = Dt(), i = new bt(A.i);\n        return this.ea(t, e, (function(t, e) {\n            var o = n.Xo(e);\n            o ? (r = r.ot(t, o), i = i.ot(t, Vi(e))) : (r = r.ot(t, null), i = i.ot(t, 0));\n        })).next((function() {\n            return {\n                sa: r,\n                ia: i\n            };\n        }));\n    }, t.prototype.ea = function(t, e, n) {\n        if (e.m()) return yr.resolve();\n        var r = IDBKeyRange.bound(e.first().path.A(), e.last().path.A()), i = e._t(), o = i.It();\n        return Oi(t).rs({\n            range: r\n        }, (function(t, e, r) {\n            // Go through keys not found in cache.\n            for (var s = A.$(t); o && A.i(o, s) < 0; ) n(o, null), o = i.It();\n            o && o.isEqual(s) && (\n            // Key found in cache.\n            n(o, e), o = i.At() ? i.It() : null), \n            // Skip to the next key (if there is one).\n            o ? r.Xn(o.path.A()) : r.done();\n        })).next((function() {\n            // The rest of the keys are not in the cache. One case where `iterate`\n            // above won\'t go through them is when the cache is empty.\n            for (;o; ) n(o, null), o = i.At() ? i.It() : null;\n        }));\n    }, t.prototype.Lr = function(t, e, n) {\n        var r = this, i = Lt(), o = e.path.length + 1, s = {};\n        if (n.isEqual(st.min())) {\n            // Documents are ordered by key, so we can use a prefix scan to narrow\n            // down the documents we need to match the query against.\n            var u = e.path.A();\n            s.range = IDBKeyRange.lowerBound(u);\n        } else {\n            // Execute an index-free query and filter by read time. This is safe\n            // since all document changes to queries that have a\n            // lastLimboFreeSnapshotVersion (`sinceReadTime`) have a read time set.\n            var a = e.path.A(), c = gi(n);\n            s.range = IDBKeyRange.lowerBound([ a, c ], \n            /* open= */ !0), s.index = Ki.collectionReadTimeIndex;\n        }\n        return Oi(t).rs(s, (function(t, n, s) {\n            // The query is actually returning any path that starts with the query\n            // path prefix which may include documents in subcollections. For\n            // example, a query on \'rooms\' will return rooms/abc/messages/xyx but we\n            // shouldn\'t match it. Fix this by discarding rows with document keys\n            // more than one segment longer than the query path.\n            if (t.length === o) {\n                var u = vi(r.serializer, n);\n                e.path.T(u.key.path) ? u instanceof kn && $n(e, u) && (i = i.ot(u.key, u)) : s.done();\n            }\n        })).next((function() {\n            return i;\n        }));\n    }, t.prototype.ra = function(t) {\n        return new ki(this, !!t && t.oa);\n    }, t.prototype.aa = function(t) {\n        return this.getMetadata(t).next((function(t) {\n            return t.byteSize;\n        }));\n    }, t.prototype.getMetadata = function(t) {\n        return Ri(t).get(Qi.key).next((function(t) {\n            return g(!!t), t;\n        }));\n    }, t.prototype.Jo = function(t, e) {\n        return Ri(t).put(Qi.key, e);\n    }, \n    /**\n     * Decodes `remoteDoc` and returns the document (or null, if the document\n     * corresponds to the format used for sentinel deletes).\n     */\n    t.prototype.Xo = function(t) {\n        if (t) {\n            var e = vi(this.serializer, t);\n            return e instanceof Rn && e.version.isEqual(st.min()) ? null : e;\n        }\n        return null;\n    }, t;\n}(), ki = /** @class */ function(e) {\n    /**\n     * @param documentCache The IndexedDbRemoteDocumentCache to apply the changes to.\n     * @param trackRemovals Whether to create sentinel deletes that can be tracked by\n     * `getNewDocumentChanges()`.\n     */\n    function n(t, n) {\n        var r = this;\n        return (r = e.call(this) || this).ca = t, r.oa = n, \n        // A map of document sizes prior to applying the changes in this buffer.\n        r.ua = new it((function(t) {\n            return t.toString();\n        }), (function(t, e) {\n            return t.isEqual(e);\n        })), r;\n    }\n    return t.__extends(n, e), n.prototype.yr = function(t) {\n        var e = this, n = [], r = 0, i = new Tt((function(t, e) {\n            return H(t.R(), e.R());\n        }));\n        return this.wr.forEach((function(o, s) {\n            var u = e.ua.get(o);\n            if (s) {\n                var a = yi(e.ca.serializer, s, e.readTime);\n                i = i.add(o.path.h());\n                var c = Vi(a);\n                r += c - u, n.push(e.ca.Er(t, o, a));\n            } else if (r -= u, e.oa) {\n                // In order to track removals, we store a "sentinel delete" in the\n                // RemoteDocumentCache. This entry is represented by a NoDocument\n                // with a version of 0 and ignored by `maybeDecodeDocument()` but\n                // preserved in `getNewDocumentChanges()`.\n                var h = yi(e.ca.serializer, new Rn(o, st.min()), e.readTime);\n                n.push(e.ca.Er(t, o, h));\n            } else n.push(e.ca.Ar(t, o));\n        })), i.forEach((function(r) {\n            n.push(e.ca.Dr.Mo(t, r));\n        })), n.push(this.ca.updateMetadata(t, r)), yr.$n(n);\n    }, n.prototype.gr = function(t, e) {\n        var n = this;\n        // Record the size of everything we load from the cache so we can compute a delta later.\n                return this.ca.Zo(t, e).next((function(t) {\n            return null === t ? (n.ua.set(e, 0), null) : (n.ua.set(e, t.size), t.ta);\n        }));\n    }, n.prototype.Pr = function(t, e) {\n        var n = this;\n        // Record the size of everything we load from the cache so we can compute\n        // a delta later.\n                return this.ca.na(t, e).next((function(t) {\n            var e = t.sa;\n            // Note: `getAllFromCache` returns two maps instead of a single map from\n            // keys to `DocumentSizeEntry`s. This is to allow returning the\n            // `NullableMaybeDocumentMap` directly, without a conversion.\n            return t.ia.forEach((function(t, e) {\n                n.ua.set(t, e);\n            })), e;\n        }));\n    }, n;\n}(Zr);\n\n/**\n * Creates a new IndexedDbRemoteDocumentCache.\n *\n * @param serializer The document serializer.\n * @param indexManager The query indexes that need to be maintained.\n */\n/**\n * Handles the details of adding and updating documents in the IndexedDbRemoteDocumentCache.\n *\n * Unlike the MemoryRemoteDocumentChangeBuffer, the IndexedDb implementation computes the size\n * delta for all submitted changes. This avoids having to re-read all documents from IndexedDb\n * when we apply the changes.\n */ function Ri(t) {\n    return ho.Qn(t, Qi.store);\n}\n\n/**\n * Helper to get a typed SimpleDbStore for the remoteDocuments object store.\n */ function Oi(t) {\n    return ho.Qn(t, Ki.store);\n}\n\nfunction Pi(t) {\n    return t.path.A();\n}\n\n/**\n * Retrusn an approximate size for the given document.\n */ function Vi(t) {\n    var e;\n    if (t.document) e = t.document; else if (t.unknownDocument) e = t.unknownDocument; else {\n        if (!t.noDocument) throw y();\n        e = t.noDocument;\n    }\n    return JSON.stringify(e).length;\n}\n\n/**\n * @license\n * Copyright 2019 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the "License");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an "AS IS" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/**\n * An in-memory implementation of IndexManager.\n */ var Ui = /** @class */ function() {\n    function t() {\n        this.ha = new Ci;\n    }\n    return t.prototype.Mo = function(t, e) {\n        return this.ha.add(e), yr.resolve();\n    }, t.prototype.Qr = function(t, e) {\n        return yr.resolve(this.ha.getEntries(e));\n    }, t;\n}(), Ci = /** @class */ function() {\n    function t() {\n        this.index = {};\n    }\n    // Returns false if the entry already existed.\n        return t.prototype.add = function(t) {\n        var e = t._(), n = t.h(), r = this.index[e] || new Tt(E.i), i = !r.has(n);\n        return this.index[e] = r.add(n), i;\n    }, t.prototype.has = function(t) {\n        var e = t._(), n = t.h(), r = this.index[e];\n        return r && r.has(n);\n    }, t.prototype.getEntries = function(t) {\n        return (this.index[t] || new Tt(E.i)).A();\n    }, t;\n}(), Fi = /** @class */ function() {\n    function t(t) {\n        this.serializer = t;\n    }\n    /**\n     * Performs database creation and schema upgrades.\n     *\n     * Note that in production, this method is only ever used to upgrade the schema\n     * to SCHEMA_VERSION. Different values of toVersion are only used for testing\n     * and local feature development.\n     */    return t.prototype.createOrUpgrade = function(t, e, n, r) {\n        var i = this;\n        g(n < r && n >= 0 && r <= 10);\n        var o = new br("createOrUpgrade", e);\n        n < 1 && r >= 1 && (function(t) {\n            t.createObjectStore(qi.store);\n        }(t), function(t) {\n            t.createObjectStore(ji.store, {\n                keyPath: ji.keyPath\n            }), t.createObjectStore(Gi.store, {\n                keyPath: Gi.keyPath,\n                autoIncrement: !0\n            }).createIndex(Gi.userMutationsIndex, Gi.userMutationsKeyPath, {\n                unique: !0\n            }), t.createObjectStore(zi.store);\n        }(t), Ji(t), function(t) {\n            t.createObjectStore(Ki.store);\n        }(t));\n        // Migration 2 to populate the targetGlobal object no longer needed since\n        // migration 3 unconditionally clears it.\n        var s = yr.resolve();\n        return n < 3 && r >= 3 && (\n        // Brand new clients don\'t need to drop and recreate--only clients that\n        // potentially have corrupt data.\n        0 !== n && (function(t) {\n            t.deleteObjectStore(Yi.store), t.deleteObjectStore(Hi.store), t.deleteObjectStore($i.store);\n        }(t), Ji(t)), s = s.next((function() {\n            /**\n     * Creates the target global singleton row.\n     *\n     * @param {IDBTransaction} txn The version upgrade transaction for indexeddb\n     */\n            return function(t) {\n                var e = t.store($i.store), n = new $i(\n                /*highestTargetId=*/ 0, \n                /*lastListenSequenceNumber=*/ 0, st.min().Z(), \n                /*targetCount=*/ 0);\n                return e.put($i.key, n);\n            }(o);\n        }))), n < 4 && r >= 4 && (0 !== n && (\n        // Schema version 3 uses auto-generated keys to generate globally unique\n        // mutation batch IDs (this was previously ensured internally by the\n        // client). To migrate to the new schema, we have to read all mutations\n        // and write them back out. We preserve the existing batch IDs to guarantee\n        // consistency with other object stores. Any further mutation batch IDs will\n        // be auto-generated.\n        s = s.next((function() {\n            return function(t, e) {\n                return e.store(Gi.store).ts().next((function(n) {\n                    t.deleteObjectStore(Gi.store), t.createObjectStore(Gi.store, {\n                        keyPath: Gi.keyPath,\n                        autoIncrement: !0\n                    }).createIndex(Gi.userMutationsIndex, Gi.userMutationsKeyPath, {\n                        unique: !0\n                    });\n                    var r = e.store(Gi.store), i = n.map((function(t) {\n                        return r.put(t);\n                    }));\n                    return yr.$n(i);\n                }));\n            }(t, o);\n        }))), s = s.next((function() {\n            !function(t) {\n                t.createObjectStore(Zi.store, {\n                    keyPath: Zi.keyPath\n                });\n            }(t);\n        }))), n < 5 && r >= 5 && (s = s.next((function() {\n            return i.removeAcknowledgedMutations(o);\n        }))), n < 6 && r >= 6 && (s = s.next((function() {\n            return function(t) {\n                t.createObjectStore(Qi.store);\n            }(t), i.addDocumentGlobal(o);\n        }))), n < 7 && r >= 7 && (s = s.next((function() {\n            return i.ensureSequenceNumbers(o);\n        }))), n < 8 && r >= 8 && (s = s.next((function() {\n            return i.createCollectionParentIndex(t, o);\n        }))), n < 9 && r >= 9 && (s = s.next((function() {\n            // Multi-Tab used to manage its own changelog, but this has been moved\n            // to the DbRemoteDocument object store itself. Since the previous change\n            // log only contained transient data, we can drop its object store.\n            !function(t) {\n                t.objectStoreNames.contains("remoteDocumentChanges") && t.deleteObjectStore("remoteDocumentChanges");\n            }(t), function(t) {\n                var e = t.objectStore(Ki.store);\n                e.createIndex(Ki.readTimeIndex, Ki.readTimeIndexPath, {\n                    unique: !1\n                }), e.createIndex(Ki.collectionReadTimeIndex, Ki.collectionReadTimeIndexPath, {\n                    unique: !1\n                });\n            }(e);\n        }))), n < 10 && r >= 10 && (s = s.next((function() {\n            return i.rewriteCanonicalIds(o);\n        }))), s;\n    }, t.prototype.addDocumentGlobal = function(t) {\n        var e = 0;\n        return t.store(Ki.store).rs((function(t, n) {\n            e += Vi(n);\n        })).next((function() {\n            var n = new Qi(e);\n            return t.store(Qi.store).put(Qi.key, n);\n        }));\n    }, t.prototype.removeAcknowledgedMutations = function(t) {\n        var e = this, n = t.store(ji.store), r = t.store(Gi.store);\n        return n.ts().next((function(n) {\n            return yr.forEach(n, (function(n) {\n                var i = IDBKeyRange.bound([ n.userId, -1 ], [ n.userId, n.lastAcknowledgedBatchId ]);\n                return r.ts(Gi.userMutationsIndex, i).next((function(r) {\n                    return yr.forEach(r, (function(r) {\n                        g(r.userId === n.userId);\n                        var i = bi(e.serializer, r);\n                        return Ai(t, n.userId, i).next((function() {}));\n                    }));\n                }));\n            }));\n        }));\n    }, \n    /**\n     * Ensures that every document in the remote document cache has a corresponding sentinel row\n     * with a sequence number. Missing rows are given the most recently used sequence number.\n     */\n    t.prototype.ensureSequenceNumbers = function(t) {\n        var e = t.store(Yi.store), n = t.store(Ki.store);\n        return t.store($i.store).get($i.key).next((function(t) {\n            var r = [];\n            return n.rs((function(n, i) {\n                var o = new E(n), s = function(t) {\n                    return [ 0, hi(t) ];\n                }(o);\n                r.push(e.get(s).next((function(n) {\n                    return n ? yr.resolve() : function(n) {\n                        return e.put(new Yi(0, hi(n), t.highestListenSequenceNumber));\n                    }(o);\n                })));\n            })).next((function() {\n                return yr.$n(r);\n            }));\n        }));\n    }, t.prototype.createCollectionParentIndex = function(t, e) {\n        // Create the index.\n        t.createObjectStore(Xi.store, {\n            keyPath: Xi.keyPath\n        });\n        var n = e.store(Xi.store), r = new Ci, i = function(t) {\n            if (r.add(t)) {\n                var e = t._(), i = t.h();\n                return n.put({\n                    collectionId: e,\n                    parent: hi(i)\n                });\n            }\n        };\n        // Helper to add an index entry iff we haven\'t already written it.\n        // Index existing remote documents.\n                return e.store(Ki.store).rs({\n            ss: !0\n        }, (function(t, e) {\n            var n = new E(t);\n            return i(n.h());\n        })).next((function() {\n            return e.store(zi.store).rs({\n                ss: !0\n            }, (function(t, e) {\n                t[0];\n                var n = t[1], r = (t[2], pi(n));\n                return i(r.h());\n            }));\n        }));\n    }, t.prototype.rewriteCanonicalIds = function(t) {\n        var e = this, n = t.store(Hi.store);\n        return n.rs((function(t, r) {\n            var i = Ii(r), o = Ei(e.serializer, i);\n            return n.put(o);\n        }));\n    }, t;\n}(), Mi = function(t, e) {\n    this.seconds = t, this.nanoseconds = e;\n}, qi = function(t, \n/** Whether to allow shared access from multiple tabs. */\ne, n) {\n    this.ownerId = t, this.allowTabSynchronization = e, this.leaseTimestampMs = n;\n};\n\n/**\n * Internal implementation of the collection-parent index exposed by MemoryIndexManager.\n * Also used for in-memory caching by IndexedDbIndexManager and initial index population\n * in indexeddb_schema.ts\n */\n/**\n * Name of the IndexedDb object store.\n *\n * Note that the name \'owner\' is chosen to ensure backwards compatibility with\n * older clients that only supported single locked access to the persistence\n * layer.\n */\nqi.store = "owner", \n/**\n     * The key string used for the single object that exists in the\n     * DbPrimaryClient store.\n     */\nqi.key = "owner";\n\nvar ji = function(\n/**\n     * The normalized user ID to which this queue belongs.\n     */\nt, \n/**\n     * An identifier for the highest numbered batch that has been acknowledged\n     * by the server. All MutationBatches in this queue with batchIds less\n     * than or equal to this value are considered to have been acknowledged by\n     * the server.\n     *\n     * NOTE: this is deprecated and no longer used by the code.\n     */\ne, \n/**\n     * A stream token that was previously sent by the server.\n     *\n     * See StreamingWriteRequest in datastore.proto for more details about\n     * usage.\n     *\n     * After sending this token, earlier tokens may not be used anymore so\n     * only a single stream token is retained.\n     *\n     * NOTE: this is deprecated and no longer used by the code.\n     */\nn) {\n    this.userId = t, this.lastAcknowledgedBatchId = e, this.lastStreamToken = n;\n};\n\n/** Name of the IndexedDb object store.  */ ji.store = "mutationQueues", \n/** Keys are automatically assigned via the userId property. */\nji.keyPath = "userId";\n\n/**\n * An object to be stored in the \'mutations\' store in IndexedDb.\n *\n * Represents a batch of user-level mutations intended to be sent to the server\n * in a single write. Each user-level batch gets a separate DbMutationBatch\n * with a new batchId.\n */\nvar Gi = function(\n/**\n     * The normalized user ID to which this batch belongs.\n     */\nt, \n/**\n     * An identifier for this batch, allocated using an auto-generated key.\n     */\ne, \n/**\n     * The local write time of the batch, stored as milliseconds since the\n     * epoch.\n     */\nn, \n/**\n     * A list of "mutations" that represent a partial base state from when this\n     * write batch was initially created. During local application of the write\n     * batch, these baseMutations are applied prior to the real writes in order\n     * to override certain document fields from the remote document cache. This\n     * is necessary in the case of non-idempotent writes (e.g. `increment()`\n     * transforms) to make sure that the local view of the modified documents\n     * doesn\'t flicker if the remote document cache receives the result of the\n     * non-idempotent write before the write is removed from the queue.\n     *\n     * These mutations are never sent to the backend.\n     */\nr, \n/**\n     * A list of mutations to apply. All mutations will be applied atomically.\n     *\n     * Mutations are serialized via toMutation().\n     */\ni) {\n    this.userId = t, this.batchId = e, this.localWriteTimeMs = n, this.baseMutations = r, \n    this.mutations = i;\n};\n\n/** Name of the IndexedDb object store.  */ Gi.store = "mutations", \n/** Keys are automatically assigned via the userId, batchId properties. */\nGi.keyPath = "batchId", \n/** The index name for lookup of mutations by user. */\nGi.userMutationsIndex = "userMutationsIndex", \n/** The user mutations index is keyed by [userId, batchId] pairs. */\nGi.userMutationsKeyPath = [ "userId", "batchId" ];\n\nvar zi = /** @class */ function() {\n    function t() {}\n    /**\n     * Creates a [userId] key for use in the DbDocumentMutations index to iterate\n     * over all of a user\'s document mutations.\n     */    return t.prefixForUser = function(t) {\n        return [ t ];\n    }, \n    /**\n     * Creates a [userId, encodedPath] key for use in the DbDocumentMutations\n     * index to iterate over all at document mutations for a given path or lower.\n     */\n    t.prefixForPath = function(t, e) {\n        return [ t, hi(e) ];\n    }, \n    /**\n     * Creates a full index key of [userId, encodedPath, batchId] for inserting\n     * and deleting into the DbDocumentMutations index.\n     */\n    t.key = function(t, e, n) {\n        return [ t, hi(e), n ];\n    }, t;\n}();\n\nzi.store = "documentMutations", \n/**\n     * Because we store all the useful information for this store in the key,\n     * there is no useful information to store as the value. The raw (unencoded)\n     * path cannot be stored because IndexedDb doesn\'t store prototype\n     * information.\n     */\nzi.PLACEHOLDER = new zi;\n\nvar Bi = function(t, e) {\n    this.path = t, this.readTime = e;\n}, Wi = function(t, e) {\n    this.path = t, this.version = e;\n}, Ki = \n// TODO: We are currently storing full document keys almost three times\n// (once as part of the primary key, once - partly - as `parentPath` and once\n// inside the encoded documents). During our next migration, we should\n// rewrite the primary key as parentPath + document ID which would allow us\n// to drop one value.\nfunction(\n/**\n     * Set to an instance of DbUnknownDocument if the data for a document is\n     * not known, but it is known that a document exists at the specified\n     * version (e.g. it had a successful update applied to it)\n     */\nt, \n/**\n     * Set to an instance of a DbNoDocument if it is known that no document\n     * exists.\n     */\ne, \n/**\n     * Set to an instance of a Document if there\'s a cached version of the\n     * document.\n     */\nn, \n/**\n     * Documents that were written to the remote document store based on\n     * a write acknowledgment are marked with `hasCommittedMutations`. These\n     * documents are potentially inconsistent with the backend\'s copy and use\n     * the write\'s commit version as their document version.\n     */\nr, \n/**\n     * When the document was read from the backend. Undefined for data written\n     * prior to schema version 9.\n     */\ni, \n/**\n     * The path of the collection this document is part of. Undefined for data\n     * written prior to schema version 9.\n     */\no) {\n    this.unknownDocument = t, this.noDocument = e, this.document = n, this.hasCommittedMutations = r, \n    this.readTime = i, this.parentPath = o;\n};\n\n/**\n * Represents a document that is known to exist but whose data is unknown.\n * Stored in IndexedDb as part of a DbRemoteDocument object.\n */ Ki.store = "remoteDocuments", \n/**\n     * An index that provides access to all entries sorted by read time (which\n     * corresponds to the last modification time of each row).\n     *\n     * This index is used to provide a changelog for Multi-Tab.\n     */\nKi.readTimeIndex = "readTimeIndex", Ki.readTimeIndexPath = "readTime", \n/**\n     * An index that provides access to documents in a collection sorted by read\n     * time.\n     *\n     * This index is used to allow the RemoteDocumentCache to fetch newly changed\n     * documents in a collection.\n     */\nKi.collectionReadTimeIndex = "collectionReadTimeIndex", Ki.collectionReadTimeIndexPath = [ "parentPath", "readTime" ];\n\n/**\n * Contains a single entry that has metadata about the remote document cache.\n */\nvar Qi = \n/**\n     * @param byteSize Approximately the total size in bytes of all the documents in the document\n     * cache.\n     */\nfunction(t) {\n    this.byteSize = t;\n};\n\nQi.store = "remoteDocumentGlobal", Qi.key = "remoteDocumentGlobalKey";\n\nvar Hi = function(\n/**\n     * An auto-generated sequential numeric identifier for the query.\n     *\n     * Queries are stored using their canonicalId as the key, but these\n     * canonicalIds can be quite long so we additionally assign a unique\n     * queryId which can be used by referenced data structures (e.g.\n     * indexes) to minimize the on-disk cost.\n     */\nt, \n/**\n     * The canonical string representing this query. This is not unique.\n     */\ne, \n/**\n     * The last readTime received from the Watch Service for this query.\n     *\n     * This is the same value as TargetChange.read_time in the protos.\n     */\nn, \n/**\n     * An opaque, server-assigned token that allows watching a query to be\n     * resumed after disconnecting without retransmitting all the data\n     * that matches the query. The resume token essentially identifies a\n     * point in time from which the server should resume sending results.\n     *\n     * This is related to the snapshotVersion in that the resumeToken\n     * effectively also encodes that value, but the resumeToken is opaque\n     * and sometimes encodes additional information.\n     *\n     * A consequence of this is that the resumeToken should be used when\n     * asking the server to reason about where this client is in the watch\n     * stream, but the client should use the snapshotVersion for its own\n     * purposes.\n     *\n     * This is the same value as TargetChange.resume_token in the protos.\n     */\nr, \n/**\n     * A sequence number representing the last time this query was\n     * listened to, used for garbage collection purposes.\n     *\n     * Conventionally this would be a timestamp value, but device-local\n     * clocks are unreliable and they must be able to create new listens\n     * even while disconnected. Instead this should be a monotonically\n     * increasing number that\'s incremented on each listen call.\n     *\n     * This is different from the queryId since the queryId is an\n     * immutable identifier assigned to the Query on first use while\n     * lastListenSequenceNumber is updated every time the query is\n     * listened to.\n     */\ni, \n/**\n     * Denotes the maximum snapshot version at which the associated query view\n     * contained no limbo documents.  Undefined for data written prior to\n     * schema version 9.\n     */\no, \n/**\n     * The query for this target.\n     *\n     * Because canonical ids are not unique we must store the actual query. We\n     * use the proto to have an object we can persist without having to\n     * duplicate translation logic to and from a `Query` object.\n     */\ns) {\n    this.targetId = t, this.canonicalId = e, this.readTime = n, this.resumeToken = r, \n    this.lastListenSequenceNumber = i, this.lastLimboFreeSnapshotVersion = o, this.query = s;\n};\n\nHi.store = "targets", \n/** Keys are automatically assigned via the targetId property. */\nHi.keyPath = "targetId", \n/** The name of the queryTargets index. */\nHi.queryTargetsIndexName = "queryTargetsIndex", \n/**\n     * The index of all canonicalIds to the targets that they match. This is not\n     * a unique mapping because canonicalId does not promise a unique name for all\n     * possible queries, so we append the targetId to make the mapping unique.\n     */\nHi.queryTargetsKeyPath = [ "canonicalId", "targetId" ];\n\n/**\n * An object representing an association between a target and a document, or a\n * sentinel row marking the last sequence number at which a document was used.\n * Each document cached must have a corresponding sentinel row before lru\n * garbage collection is enabled.\n *\n * The target associations and sentinel rows are co-located so that orphaned\n * documents and their sequence numbers can be identified efficiently via a scan\n * of this store.\n */\nvar Yi = function(\n/**\n     * The targetId identifying a target or 0 for a sentinel row.\n     */\nt, \n/**\n     * The path to the document, as encoded in the key.\n     */\ne, \n/**\n     * If this is a sentinel row, this should be the sequence number of the last\n     * time the document specified by `path` was used. Otherwise, it should be\n     * `undefined`.\n     */\nn) {\n    this.targetId = t, this.path = e, this.sequenceNumber = n;\n};\n\n/** Name of the IndexedDb object store.  */ Yi.store = "targetDocuments", \n/** Keys are automatically assigned via the targetId, path properties. */\nYi.keyPath = [ "targetId", "path" ], \n/** The index name for the reverse index. */\nYi.documentTargetsIndex = "documentTargetsIndex", \n/** We also need to create the reverse index for these properties. */\nYi.documentTargetsKeyPath = [ "path", "targetId" ];\n\n/**\n * A record of global state tracked across all Targets, tracked separately\n * to avoid the need for extra indexes.\n *\n * This should be kept in-sync with the proto used in the iOS client.\n */\nvar $i = function(\n/**\n     * The highest numbered target id across all targets.\n     *\n     * See DbTarget.targetId.\n     */\nt, \n/**\n     * The highest numbered lastListenSequenceNumber across all targets.\n     *\n     * See DbTarget.lastListenSequenceNumber.\n     */\ne, \n/**\n     * A global snapshot version representing the last consistent snapshot we\n     * received from the backend. This is monotonically increasing and any\n     * snapshots received from the backend prior to this version (e.g. for\n     * targets resumed with a resumeToken) should be suppressed (buffered)\n     * until the backend has caught up to this snapshot version again. This\n     * prevents our cache from ever going backwards in time.\n     */\nn, \n/**\n     * The number of targets persisted.\n     */\nr) {\n    this.highestTargetId = t, this.highestListenSequenceNumber = e, this.lastRemoteSnapshotVersion = n, \n    this.targetCount = r;\n};\n\n/**\n * The key string used for the single object that exists in the\n * DbTargetGlobal store.\n */ $i.key = "targetGlobalKey", $i.store = "targetGlobal";\n\n/**\n * An object representing an association between a Collection id (e.g. \'messages\')\n * to a parent path (e.g. \'/chats/123\') that contains it as a (sub)collection.\n * This is used to efficiently find all collections to query when performing\n * a Collection Group query.\n */\nvar Xi = function(\n/**\n     * The collectionId (e.g. \'messages\')\n     */\nt, \n/**\n     * The path to the parent (either a document location or an empty path for\n     * a root-level collection).\n     */\ne) {\n    this.collectionId = t, this.parent = e;\n};\n\n/** Name of the IndexedDb object store. */ function Ji(t) {\n    t.createObjectStore(Yi.store, {\n        keyPath: Yi.keyPath\n    }).createIndex(Yi.documentTargetsIndex, Yi.documentTargetsKeyPath, {\n        unique: !0\n    }), \n    // NOTE: This is unique only because the TargetId is the suffix.\n    t.createObjectStore(Hi.store, {\n        keyPath: Hi.keyPath\n    }).createIndex(Hi.queryTargetsIndexName, Hi.queryTargetsKeyPath, {\n        unique: !0\n    }), t.createObjectStore($i.store);\n}\n\nXi.store = "collectionParents", \n/** Keys are automatically assigned via the collectionId, parent properties. */\nXi.keyPath = [ "collectionId", "parent" ];\n\nvar Zi = function(\n// Note: Previous schema versions included a field\n// "lastProcessedDocumentChangeId". Don\'t use anymore.\n/** The auto-generated client id assigned at client startup. */\nt, \n/** The last time this state was updated. */\ne, \n/** Whether the client\'s network connection is enabled. */\nn, \n/** Whether this client is running in a foreground tab. */\nr) {\n    this.clientId = t, this.updateTimeMs = e, this.networkEnabled = n, this.inForeground = r;\n};\n\n/** Name of the IndexedDb object store. */ Zi.store = "clientMetadata", \n/** Keys are automatically assigned via the clientId properties. */\nZi.keyPath = "clientId";\n\nvar to = t.__spreadArrays(t.__spreadArrays(t.__spreadArrays([ ji.store, Gi.store, zi.store, Ki.store, Hi.store, qi.store, $i.store, Yi.store ], [ Zi.store ]), [ Qi.store ]), [ Xi.store ]), eo = /** @class */ function() {\n    function t() {\n        /**\n         * An in-memory copy of the index entries we\'ve already written since the SDK\n         * launched. Used to avoid re-writing the same entry repeatedly.\n         *\n         * This is *NOT* a complete cache of what\'s in persistence and so can never be used to\n         * satisfy reads.\n         */\n        this.la = new Ci;\n    }\n    /**\n     * Adds a new entry to the collection parent index.\n     *\n     * Repeated calls for the same collectionPath should be avoided within a\n     * transaction as IndexedDbIndexManager only caches writes once a transaction\n     * has been committed.\n     */    return t.prototype.Mo = function(t, e) {\n        var n = this;\n        if (!this.la.has(e)) {\n            var r = e._(), i = e.h();\n            t.pr((function() {\n                // Add the collection to the in memory cache only if the transaction was\n                // successfully committed.\n                n.la.add(e);\n            }));\n            var o = {\n                collectionId: r,\n                parent: hi(i)\n            };\n            return no(t).put(o);\n        }\n        return yr.resolve();\n    }, t.prototype.Qr = function(t, e) {\n        var n = [], r = IDBKeyRange.bound([ e, "" ], [ $(e), "" ], \n        /*lowerOpen=*/ !1, \n        /*upperOpen=*/ !0);\n        return no(t).ts(r).next((function(t) {\n            for (var r = 0, i = t; r < i.length; r++) {\n                var o = i[r];\n                // This collectionId guard shouldn\'t be necessary (and isn\'t as long\n                // as we\'re running in a real browser), but there\'s a bug in\n                // indexeddbshim that breaks our range in our tests running in node:\n                // https://github.com/axemclion/IndexedDBShim/issues/334\n                                if (o.collectionId !== e) break;\n                n.push(pi(o.parent));\n            }\n            return n;\n        }));\n    }, t;\n}();\n\n// V2 is no longer usable (see comment at top of file)\n// Visible for testing\n/**\n * @license\n * Copyright 2019 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the "License");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an "AS IS" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/**\n * A persisted implementation of IndexManager.\n */\n/**\n * Helper to get a typed SimpleDbStore for the collectionParents\n * document store.\n */\nfunction no(t) {\n    return ho.Qn(t, Xi.store);\n}\n\n/**\n * @license\n * Copyright 2017 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the "License");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an "AS IS" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/** Offset to ensure non-overlapping target ids. */\n/**\n * Generates monotonically increasing target IDs for sending targets to the\n * watch stream.\n *\n * The client constructs two generators, one for the target cache, and one for\n * for the sync engine (to generate limbo documents targets). These\n * generators produce non-overlapping IDs (by using even and odd IDs\n * respectively).\n *\n * By separating the target ID space, the query cache can generate target IDs\n * that persist across client restarts, while sync engine can independently\n * generate in-memory target IDs that are transient and can be reused after a\n * restart.\n */ var ro = /** @class */ function() {\n    function t(t) {\n        this._a = t;\n    }\n    return t.prototype.next = function() {\n        return this._a += 2, this._a;\n    }, t.fa = function() {\n        // The target cache generator must return \'2\' in its first call to `next()`\n        // as there is no differentiation in the protocol layer between an unset\n        // number and the number \'0\'. If we were to sent a target with target ID\n        // \'0\', the backend would consider it unset and replace it with its own ID.\n        return new t(0);\n    }, t.da = function() {\n        // Sync engine assigns target IDs for limbo document detection.\n        return new t(-1);\n    }, t;\n}(), io = /** @class */ function() {\n    function t(t, e) {\n        this.No = t, this.serializer = e;\n    }\n    // PORTING NOTE: We don\'t cache global metadata for the target cache, since\n    // some of it (in particular `highestTargetId`) can be modified by secondary\n    // tabs. We could perhaps be more granular (and e.g. still cache\n    // `lastRemoteSnapshotVersion` in memory) but for simplicity we currently go\n    // to IndexedDb whenever we need to read metadata. We can revisit if it turns\n    // out to have a meaningful performance impact.\n        return t.prototype.wa = function(t) {\n        var e = this;\n        return this.ma(t).next((function(n) {\n            var r = new ro(n.highestTargetId);\n            return n.highestTargetId = r.next(), e.Ta(t, n).next((function() {\n                return n.highestTargetId;\n            }));\n        }));\n    }, t.prototype.Ea = function(t) {\n        return this.ma(t).next((function(t) {\n            return st.J(new ot(t.lastRemoteSnapshotVersion.seconds, t.lastRemoteSnapshotVersion.nanoseconds));\n        }));\n    }, t.prototype.Ia = function(t) {\n        return this.ma(t).next((function(t) {\n            return t.highestListenSequenceNumber;\n        }));\n    }, t.prototype.Aa = function(t, e, n) {\n        var r = this;\n        return this.ma(t).next((function(i) {\n            return i.highestListenSequenceNumber = e, n && (i.lastRemoteSnapshotVersion = n.Z()), \n            e > i.highestListenSequenceNumber && (i.highestListenSequenceNumber = e), r.Ta(t, i);\n        }));\n    }, t.prototype.Ra = function(t, e) {\n        var n = this;\n        return this.ga(t, e).next((function() {\n            return n.ma(t).next((function(r) {\n                return r.targetCount += 1, n.Pa(e, r), n.Ta(t, r);\n            }));\n        }));\n    }, t.prototype.ya = function(t, e) {\n        return this.ga(t, e);\n    }, t.prototype.Va = function(t, e) {\n        var n = this;\n        return this.pa(t, e.targetId).next((function() {\n            return oo(t).delete(e.targetId);\n        })).next((function() {\n            return n.ma(t);\n        })).next((function(e) {\n            return g(e.targetCount > 0), e.targetCount -= 1, n.Ta(t, e);\n        }));\n    }, \n    /**\n     * Drops any targets with sequence number less than or equal to the upper bound, excepting those\n     * present in `activeTargetIds`. Document associations for the removed targets are also removed.\n     * Returns the number of targets removed.\n     */\n    t.prototype.po = function(t, e, n) {\n        var r = this, i = 0, o = [];\n        return oo(t).rs((function(s, u) {\n            var a = Ii(u);\n            a.sequenceNumber <= e && null === n.get(a.targetId) && (i++, o.push(r.Va(t, a)));\n        })).next((function() {\n            return yr.$n(o);\n        })).next((function() {\n            return i;\n        }));\n    }, \n    /**\n     * Call provided function with each `TargetData` that we have cached.\n     */\n    t.prototype.Ce = function(t, e) {\n        return oo(t).rs((function(t, n) {\n            var r = Ii(n);\n            e(r);\n        }));\n    }, t.prototype.ma = function(t) {\n        return so(t).get($i.key).next((function(t) {\n            return g(null !== t), t;\n        }));\n    }, t.prototype.Ta = function(t, e) {\n        return so(t).put($i.key, e);\n    }, t.prototype.ga = function(t, e) {\n        return oo(t).put(Ei(this.serializer, e));\n    }, \n    /**\n     * In-place updates the provided metadata to account for values in the given\n     * TargetData. Saving is done separately. Returns true if there were any\n     * changes to the metadata.\n     */\n    t.prototype.Pa = function(t, e) {\n        var n = !1;\n        return t.targetId > e.highestTargetId && (e.highestTargetId = t.targetId, n = !0), \n        t.sequenceNumber > e.highestListenSequenceNumber && (e.highestListenSequenceNumber = t.sequenceNumber, \n        n = !0), n;\n    }, t.prototype.ba = function(t) {\n        return this.ma(t).next((function(t) {\n            return t.targetCount;\n        }));\n    }, t.prototype.va = function(t, e) {\n        // Iterating by the canonicalId may yield more than one result because\n        // canonicalId values are not required to be unique per target. This query\n        // depends on the queryTargets index to be efficient.\n        var n = lt(e), r = IDBKeyRange.bound([ n, Number.NEGATIVE_INFINITY ], [ n, Number.POSITIVE_INFINITY ]), i = null;\n        return oo(t).rs({\n            range: r,\n            index: Hi.queryTargetsIndexName\n        }, (function(t, n, r) {\n            var o = Ii(n);\n            // After finding a potential match, check that the target is\n            // actually equal to the requested target.\n                        pt(e, o.target) && (i = o, r.done());\n        })).next((function() {\n            return i;\n        }));\n    }, t.prototype.Sa = function(t, e, n) {\n        var r = this, i = [], o = uo(t);\n        // PORTING NOTE: The reverse index (documentsTargets) is maintained by\n        // IndexedDb.\n                return e.forEach((function(e) {\n            var s = hi(e.path);\n            i.push(o.put(new Yi(n, s))), i.push(r.No.Da(t, n, e));\n        })), yr.$n(i);\n    }, t.prototype.Ca = function(t, e, n) {\n        var r = this, i = uo(t);\n        // PORTING NOTE: The reverse index (documentsTargets) is maintained by\n        // IndexedDb.\n                return yr.forEach(e, (function(e) {\n            var o = hi(e.path);\n            return yr.$n([ i.delete([ n, o ]), r.No.Na(t, n, e) ]);\n        }));\n    }, t.prototype.pa = function(t, e) {\n        var n = uo(t), r = IDBKeyRange.bound([ e ], [ e + 1 ], \n        /*lowerOpen=*/ !1, \n        /*upperOpen=*/ !0);\n        return n.delete(r);\n    }, t.prototype.Fa = function(t, e) {\n        var n = IDBKeyRange.bound([ e ], [ e + 1 ], \n        /*lowerOpen=*/ !1, \n        /*upperOpen=*/ !0), r = uo(t), i = Ot();\n        return r.rs({\n            range: n,\n            ss: !0\n        }, (function(t, e, n) {\n            var r = pi(t[1]), o = new A(r);\n            i = i.add(o);\n        })).next((function() {\n            return i;\n        }));\n    }, t.prototype.Ho = function(t, e) {\n        var n = hi(e.path), r = IDBKeyRange.bound([ n ], [ $(n) ], \n        /*lowerOpen=*/ !1, \n        /*upperOpen=*/ !0), i = 0;\n        return uo(t).rs({\n            index: Yi.documentTargetsIndex,\n            ss: !0,\n            range: r\n        }, (function(t, e, n) {\n            var r = t[0];\n            // Having a sentinel row for a document does not count as containing that document;\n            // For the target cache, containing the document means the document is part of some\n            // target.\n                        t[1];\n            0 !== r && (i++, n.done());\n        })).next((function() {\n            return i > 0;\n        }));\n    }, \n    /**\n     * Looks up a TargetData entry by target ID.\n     *\n     * @param targetId The target ID of the TargetData entry to look up.\n     * @return The cached TargetData entry, or null if the cache has no entry for\n     * the target.\n     */\n    // PORTING NOTE: Multi-tab only.\n    t.prototype.Ue = function(t, e) {\n        return oo(t).get(e).next((function(t) {\n            return t ? Ii(t) : null;\n        }));\n    }, t;\n}();\n\n/**\n * @license\n * Copyright 2017 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the "License");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an "AS IS" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/**\n * Helper to get a typed SimpleDbStore for the queries object store.\n */\nfunction oo(t) {\n    return ho.Qn(t, Hi.store);\n}\n\n/**\n * Helper to get a typed SimpleDbStore for the target globals object store.\n */ function so(t) {\n    return ho.Qn(t, $i.store);\n}\n\n/**\n * Helper to get a typed SimpleDbStore for the document target object store.\n */ function uo(t) {\n    return ho.Qn(t, Yi.store);\n}\n\n/**\n * @license\n * Copyright 2017 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the "License");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an "AS IS" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */ var ao = "Failed to obtain exclusive access to the persistence layer. To allow shared access, make sure to invoke `enablePersistence()` with `synchronizeTabs:true` in all tabs. If you are using `experimentalForceOwningTab:true`, make sure that only one tab has persistence enabled at any given time.", co = /** @class */ function(e) {\n    function n(t, n) {\n        var r = this;\n        return (r = e.call(this) || this).jo = t, r.xa = n, r;\n    }\n    return t.__extends(n, e), n;\n}(ei), ho = /** @class */ function() {\n    function e(\n    /**\n     * Whether to synchronize the in-memory state of multiple tabs and share\n     * access to local persistence.\n     */\n    t, n, r, i, o, s, u, h, f, \n    /**\n     * If set to true, forcefully obtains database access. Existing tabs will\n     * no longer be able to access IndexedDB.\n     */\n    l) {\n        if (this.allowTabSynchronization = t, this.persistenceKey = n, this.clientId = r, \n        this.fn = o, this.window = s, this.document = u, this.$a = f, this.ka = l, this.Ma = null, \n        this.Oa = !1, this.isPrimary = !1, this.networkEnabled = !0, \n        /** Our window.unload handler, if registered. */\n        this.La = null, this.inForeground = !1, \n        /** Our \'visibilitychange\' listener if registered. */\n        this.Ba = null, \n        /** The client metadata refresh task. */\n        this.qa = null, \n        /** The last time we garbage collected the client metadata object store. */\n        this.Ua = Number.NEGATIVE_INFINITY, \n        /** A listener to notify on primary state changes. */\n        this.Qa = function(t) {\n            return Promise.resolve();\n        }, !e.Ln()) throw new c(a.UNIMPLEMENTED, "This platform is either missing IndexedDB or is known to have an incomplete implementation. Offline persistence has been disabled.");\n        this.No = new po(this, i), this.Wa = n + "main", this.serializer = new di(h), this.ja = new gr(this.Wa, 10, new Fi(this.serializer)), \n        this.Ka = new io(this.No, this.serializer), this.Dr = new eo, this.vr = function(t, e) {\n            return new Li(t, e);\n        }(this.serializer, this.Dr), this.window && this.window.localStorage ? this.Ga = this.window.localStorage : (this.Ga = null, \n        !1 === l && p("IndexedDbPersistence", "LocalStorage is unavailable. As a result, persistence may not work reliably. In particular enablePersistence() could fail immediately after refreshing the page."));\n    }\n    return e.Qn = function(t, e) {\n        if (t instanceof co) return gr.Qn(t.jo, e);\n        throw y();\n    }, \n    /**\n     * Attempt to start IndexedDb persistence.\n     *\n     * @return {Promise<void>} Whether persistence was enabled.\n     */\n    e.prototype.start = function() {\n        var t = this;\n        // NOTE: This is expected to fail sometimes (in the case of another tab\n        // already having the persistence lock), so it\'s the first thing we should\n        // do.\n                return this.za().then((function() {\n            if (!t.isPrimary && !t.allowTabSynchronization) \n            // Fail `start()` if `synchronizeTabs` is disabled and we cannot\n            // obtain the primary lease.\n            throw new c(a.FAILED_PRECONDITION, ao);\n            return t.Ha(), t.Ya(), t.Ja(), t.runTransaction("getHighestListenSequenceNumber", "readonly", (function(e) {\n                return t.Ka.Ia(e);\n            }));\n        })).then((function(e) {\n            t.Ma = new qr(e, t.$a);\n        })).then((function() {\n            t.Oa = !0;\n        })).catch((function(e) {\n            return t.ja && t.ja.close(), Promise.reject(e);\n        }));\n    }, \n    /**\n     * Registers a listener that gets called when the primary state of the\n     * instance changes. Upon registering, this listener is invoked immediately\n     * with the current primary state.\n     *\n     * PORTING NOTE: This is only used for Web multi-tab.\n     */\n    e.prototype.Xa = function(e) {\n        var n = this;\n        return this.Qa = function(r) {\n            return t.__awaiter(n, void 0, void 0, (function() {\n                return t.__generator(this, (function(t) {\n                    return this.Ei ? [ 2 /*return*/ , e(r) ] : [ 2 /*return*/ ];\n                }));\n            }));\n        }, e(this.isPrimary);\n    }, \n    /**\n     * Registers a listener that gets called when the database receives a\n     * version change event indicating that it has deleted.\n     *\n     * PORTING NOTE: This is only used for Web multi-tab.\n     */\n    e.prototype.Za = function(e) {\n        var n = this;\n        this.ja.Kn((function(r) {\n            return t.__awaiter(n, void 0, void 0, (function() {\n                return t.__generator(this, (function(t) {\n                    switch (t.label) {\n                      case 0:\n                        return null === r.newVersion ? [ 4 /*yield*/ , e() ] : [ 3 /*break*/ , 2 ];\n\n                      case 1:\n                        t.sent(), t.label = 2;\n\n                      case 2:\n                        return [ 2 /*return*/ ];\n                    }\n                }));\n            }));\n        }));\n    }, \n    /**\n     * Adjusts the current network state in the client\'s metadata, potentially\n     * affecting the primary lease.\n     *\n     * PORTING NOTE: This is only used for Web multi-tab.\n     */\n    e.prototype.tc = function(e) {\n        var n = this;\n        this.networkEnabled !== e && (this.networkEnabled = e, \n        // Schedule a primary lease refresh for immediate execution. The eventual\n        // lease update will be propagated via `primaryStateListener`.\n        this.fn.ws((function() {\n            return t.__awaiter(n, void 0, void 0, (function() {\n                return t.__generator(this, (function(t) {\n                    switch (t.label) {\n                      case 0:\n                        return this.Ei ? [ 4 /*yield*/ , this.za() ] : [ 3 /*break*/ , 2 ];\n\n                      case 1:\n                        t.sent(), t.label = 2;\n\n                      case 2:\n                        return [ 2 /*return*/ ];\n                    }\n                }));\n            }));\n        })));\n    }, \n    /**\n     * Updates the client metadata in IndexedDb and attempts to either obtain or\n     * extend the primary lease for the local client. Asynchronously notifies the\n     * primary state listener if the client either newly obtained or released its\n     * primary lease.\n     */\n    e.prototype.za = function() {\n        var t = this;\n        return this.runTransaction("updateClientMetadataAndTryBecomePrimary", "readwrite", (function(e) {\n            return lo(e).put(new Zi(t.clientId, Date.now(), t.networkEnabled, t.inForeground)).next((function() {\n                if (t.isPrimary) return t.ec(e).next((function(e) {\n                    e || (t.isPrimary = !1, t.fn.Cs((function() {\n                        return t.Qa(!1);\n                    })));\n                }));\n            })).next((function() {\n                return t.nc(e);\n            })).next((function(n) {\n                return t.isPrimary && !n ? t.sc(e).next((function() {\n                    return !1;\n                })) : !!n && t.ic(e).next((function() {\n                    return !0;\n                }));\n            }));\n        })).catch((function(e) {\n            if (_r(e)) \n            // Proceed with the existing state. Any subsequent access to\n            // IndexedDB will verify the lease.\n            return l("IndexedDbPersistence", "Failed to extend owner lease: ", e), t.isPrimary;\n            if (!t.allowTabSynchronization) throw e;\n            return l("IndexedDbPersistence", "Releasing owner lease after error during lease refresh", e), \n            /* isPrimary= */ !1;\n        })).then((function(e) {\n            t.isPrimary !== e && t.fn.Cs((function() {\n                return t.Qa(e);\n            })), t.isPrimary = e;\n        }));\n    }, e.prototype.ec = function(t) {\n        var e = this;\n        return fo(t).get(qi.key).next((function(t) {\n            return yr.resolve(e.rc(t));\n        }));\n    }, e.prototype.oc = function(t) {\n        return lo(t).delete(this.clientId);\n    }, \n    /**\n     * If the garbage collection threshold has passed, prunes the\n     * RemoteDocumentChanges and the ClientMetadata store based on the last update\n     * time of all clients.\n     */\n    e.prototype.ac = function() {\n        return t.__awaiter(this, void 0, void 0, (function() {\n            var n, r, i, o, s = this;\n            return t.__generator(this, (function(t) {\n                switch (t.label) {\n                  case 0:\n                    return !this.isPrimary || this.cc(this.Ua, 18e5) ? [ 3 /*break*/ , 2 ] : (this.Ua = Date.now(), \n                    [ 4 /*yield*/ , this.runTransaction("maybeGarbageCollectMultiClientState", "readwrite-primary", (function(t) {\n                        var n = e.Qn(t, Zi.store);\n                        return n.ts().next((function(t) {\n                            var e = s.uc(t, 18e5), r = t.filter((function(t) {\n                                return -1 === e.indexOf(t);\n                            }));\n                            // Delete metadata for clients that are no longer considered active.\n                                                        return yr.forEach(r, (function(t) {\n                                return n.delete(t.clientId);\n                            })).next((function() {\n                                return r;\n                            }));\n                        }));\n                    })).catch((function() {\n                        return [];\n                    })) ]);\n\n                  case 1:\n                    // Delete potential leftover entries that may continue to mark the\n                    // inactive clients as zombied in LocalStorage.\n                    // Ideally we\'d delete the IndexedDb and LocalStorage zombie entries for\n                    // the client atomically, but we can\'t. So we opt to delete the IndexedDb\n                    // entries first to avoid potentially reviving a zombied client.\n                    if (n = t.sent(), this.Ga) for (r = 0, i = n; r < i.length; r++) o = i[r], this.Ga.removeItem(this.hc(o.clientId));\n                    t.label = 2;\n\n                  case 2:\n                    return [ 2 /*return*/ ];\n                }\n            }));\n        }));\n    }, \n    /**\n     * Schedules a recurring timer to update the client metadata and to either\n     * extend or acquire the primary lease if the client is eligible.\n     */\n    e.prototype.Ja = function() {\n        var t = this;\n        this.qa = this.fn.yn("client_metadata_refresh" /* ClientMetadataRefresh */ , 4e3, (function() {\n            return t.za().then((function() {\n                return t.ac();\n            })).then((function() {\n                return t.Ja();\n            }));\n        }));\n    }, \n    /** Checks whether `client` is the local client. */ e.prototype.rc = function(t) {\n        return !!t && t.ownerId === this.clientId;\n    }, \n    /**\n     * Evaluate the state of all active clients and determine whether the local\n     * client is or can act as the holder of the primary lease. Returns whether\n     * the client is eligible for the lease, but does not actually acquire it.\n     * May return \'false\' even if there is no active leaseholder and another\n     * (foreground) client should become leaseholder instead.\n     */\n    e.prototype.nc = function(t) {\n        var e = this;\n        return this.ka ? yr.resolve(!0) : fo(t).get(qi.key).next((function(n) {\n            // A client is eligible for the primary lease if:\n            // - its network is enabled and the client\'s tab is in the foreground.\n            // - its network is enabled and no other client\'s tab is in the\n            //   foreground.\n            // - every clients network is disabled and the client\'s tab is in the\n            //   foreground.\n            // - every clients network is disabled and no other client\'s tab is in\n            //   the foreground.\n            // - the `forceOwningTab` setting was passed in.\n            if (null !== n && e.cc(n.leaseTimestampMs, 5e3) && !e.lc(n.ownerId)) {\n                if (e.rc(n) && e.networkEnabled) return !0;\n                if (!e.rc(n)) {\n                    if (!n.allowTabSynchronization) \n                    // Fail the `canActAsPrimary` check if the current leaseholder has\n                    // not opted into multi-tab synchronization. If this happens at\n                    // client startup, we reject the Promise returned by\n                    // `enablePersistence()` and the user can continue to use Firestore\n                    // with in-memory persistence.\n                    // If this fails during a lease refresh, we will instead block the\n                    // AsyncQueue from executing further operations. Note that this is\n                    // acceptable since mixing & matching different `synchronizeTabs`\n                    // settings is not supported.\n                    // TODO(b/114226234): Remove this check when `synchronizeTabs` can\n                    // no longer be turned off.\n                    throw new c(a.FAILED_PRECONDITION, ao);\n                    return !1;\n                }\n            }\n            return !(!e.networkEnabled || !e.inForeground) || lo(t).ts().next((function(t) {\n                return void 0 === e.uc(t, 5e3).find((function(t) {\n                    if (e.clientId !== t.clientId) {\n                        var n = !e.networkEnabled && t.networkEnabled, r = !e.inForeground && t.inForeground, i = e.networkEnabled === t.networkEnabled;\n                        if (n || r && i) return !0;\n                    }\n                    return !1;\n                }));\n            }));\n        })).next((function(t) {\n            return e.isPrimary !== t && l("IndexedDbPersistence", "Client " + (t ? "is" : "is not") + " eligible for a primary lease."), \n            t;\n        }));\n    }, e.prototype.Di = function() {\n        return t.__awaiter(this, void 0, void 0, (function() {\n            var e = this;\n            return t.__generator(this, (function(t) {\n                switch (t.label) {\n                  case 0:\n                    // Use `SimpleDb.runTransaction` directly to avoid failing if another tab\n                    // has obtained the primary lease.\n                    // The shutdown() operations are idempotent and can be called even when\n                    // start() aborted (e.g. because it couldn\'t acquire the persistence lease).\n                    return this.Oa = !1, this._c(), this.qa && (this.qa.cancel(), this.qa = null), this.fc(), \n                    this.dc(), [ 4 /*yield*/ , this.ja.runTransaction("shutdown", "readwrite", [ qi.store, Zi.store ], (function(t) {\n                        var n = new co(t, qr.ai);\n                        return e.sc(n).next((function() {\n                            return e.oc(n);\n                        }));\n                    })) ];\n\n                  case 1:\n                    // The shutdown() operations are idempotent and can be called even when\n                    // start() aborted (e.g. because it couldn\'t acquire the persistence lease).\n                    // Use `SimpleDb.runTransaction` directly to avoid failing if another tab\n                    // has obtained the primary lease.\n                    return t.sent(), this.ja.close(), \n                    // Remove the entry marking the client as zombied from LocalStorage since\n                    // we successfully deleted its metadata from IndexedDb.\n                    this.wc(), [ 2 /*return*/ ];\n                }\n            }));\n        }));\n    }, \n    /**\n     * Returns clients that are not zombied and have an updateTime within the\n     * provided threshold.\n     */\n    e.prototype.uc = function(t, e) {\n        var n = this;\n        return t.filter((function(t) {\n            return n.cc(t.updateTimeMs, e) && !n.lc(t.clientId);\n        }));\n    }, \n    /**\n     * Returns the IDs of the clients that are currently active. If multi-tab\n     * is not supported, returns an array that only contains the local client\'s\n     * ID.\n     *\n     * PORTING NOTE: This is only used for Web multi-tab.\n     */\n    e.prototype.pi = function() {\n        var t = this;\n        return this.runTransaction("getActiveClients", "readonly", (function(e) {\n            return lo(e).ts().next((function(e) {\n                return t.uc(e, 18e5).map((function(t) {\n                    return t.clientId;\n                }));\n            }));\n        }));\n    }, Object.defineProperty(e.prototype, "Ei", {\n        get: function() {\n            return this.Oa;\n        },\n        enumerable: !1,\n        configurable: !0\n    }), e.prototype.mc = function(t) {\n        return Ti.xo(t, this.serializer, this.Dr, this.No);\n    }, e.prototype.Tc = function() {\n        return this.Ka;\n    }, e.prototype.Ec = function() {\n        return this.vr;\n    }, e.prototype.Ic = function() {\n        return this.Dr;\n    }, e.prototype.runTransaction = function(t, e, n) {\n        var r = this;\n        l("IndexedDbPersistence", "Starting transaction:", t);\n        var i, o = "readonly" === e ? "readonly" : "readwrite";\n        // Do all transactions as readwrite against all object stores, since we\n        // are the only reader/writer.\n        return this.ja.runTransaction(t, o, to, (function(o) {\n            return i = new co(o, r.Ma ? r.Ma.next() : qr.ai), "readwrite-primary" === e ? r.ec(i).next((function(t) {\n                return !!t || r.nc(i);\n            })).next((function(e) {\n                if (!e) throw p("Failed to obtain primary lease for action \'" + t + "\'."), r.isPrimary = !1, \n                r.fn.Cs((function() {\n                    return r.Qa(!1);\n                })), new c(a.FAILED_PRECONDITION, ti);\n                return n(i);\n            })).next((function(t) {\n                return r.ic(i).next((function() {\n                    return t;\n                }));\n            })) : r.Ac(i).next((function() {\n                return n(i);\n            }));\n        })).then((function(t) {\n            return i.br(), t;\n        }));\n    }, \n    /**\n     * Verifies that the current tab is the primary leaseholder or alternatively\n     * that the leaseholder has opted into multi-tab synchronization.\n     */\n    // TODO(b/114226234): Remove this check when `synchronizeTabs` can no longer\n    // be turned off.\n    e.prototype.Ac = function(t) {\n        var e = this;\n        return fo(t).get(qi.key).next((function(t) {\n            if (null !== t && e.cc(t.leaseTimestampMs, 5e3) && !e.lc(t.ownerId) && !e.rc(t) && !(e.ka || e.allowTabSynchronization && t.allowTabSynchronization)) throw new c(a.FAILED_PRECONDITION, ao);\n        }));\n    }, \n    /**\n     * Obtains or extends the new primary lease for the local client. This\n     * method does not verify that the client is eligible for this lease.\n     */\n    e.prototype.ic = function(t) {\n        var e = new qi(this.clientId, this.allowTabSynchronization, Date.now());\n        return fo(t).put(qi.key, e);\n    }, e.Ln = function() {\n        return gr.Ln();\n    }, \n    /** Checks the primary lease and removes it if we are the current primary. */ e.prototype.sc = function(t) {\n        var e = this, n = fo(t);\n        return n.get(qi.key).next((function(t) {\n            return e.rc(t) ? (l("IndexedDbPersistence", "Releasing primary lease."), n.delete(qi.key)) : yr.resolve();\n        }));\n    }, \n    /** Verifies that `updateTimeMs` is within `maxAgeMs`. */ e.prototype.cc = function(t, e) {\n        var n = Date.now();\n        return !(t < n - e || t > n && (p("Detected an update time that is in the future: " + t + " > " + n), \n        1));\n    }, e.prototype.Ha = function() {\n        var t = this;\n        null !== this.document && "function" == typeof this.document.addEventListener && (this.Ba = function() {\n            t.fn.ws((function() {\n                return t.inForeground = "visible" === t.document.visibilityState, t.za();\n            }));\n        }, this.document.addEventListener("visibilitychange", this.Ba), this.inForeground = "visible" === this.document.visibilityState);\n    }, e.prototype.fc = function() {\n        this.Ba && (this.document.removeEventListener("visibilitychange", this.Ba), this.Ba = null);\n    }, \n    /**\n     * Attaches a window.unload handler that will synchronously write our\n     * clientId to a "zombie client id" location in LocalStorage. This can be used\n     * by tabs trying to acquire the primary lease to determine that the lease\n     * is no longer valid even if the timestamp is recent. This is particularly\n     * important for the refresh case (so the tab correctly re-acquires the\n     * primary lease). LocalStorage is used for this rather than IndexedDb because\n     * it is a synchronous API and so can be used reliably from  an unload\n     * handler.\n     */\n    e.prototype.Ya = function() {\n        var t, e = this;\n        "function" == typeof (null === (t = this.window) || void 0 === t ? void 0 : t.addEventListener) && (this.La = function() {\n            // Note: In theory, this should be scheduled on the AsyncQueue since it\n            // accesses internal state. We execute this code directly during shutdown\n            // to make sure it gets a chance to run.\n            e._c(), e.fn.ws((function() {\n                return e.Di();\n            }));\n        }, this.window.addEventListener("unload", this.La));\n    }, e.prototype.dc = function() {\n        this.La && (this.window.removeEventListener("unload", this.La), this.La = null);\n    }, \n    /**\n     * Returns whether a client is "zombied" based on its LocalStorage entry.\n     * Clients become zombied when their tab closes without running all of the\n     * cleanup logic in `shutdown()`.\n     */\n    e.prototype.lc = function(t) {\n        var e;\n        try {\n            var n = null !== (null === (e = this.Ga) || void 0 === e ? void 0 : e.getItem(this.hc(t)));\n            return l("IndexedDbPersistence", "Client \'" + t + "\' " + (n ? "is" : "is not") + " zombied in LocalStorage"), \n            n;\n        } catch (t) {\n            // Gracefully handle if LocalStorage isn\'t working.\n            return p("IndexedDbPersistence", "Failed to get zombied client id.", t), !1;\n        }\n    }, \n    /**\n     * Record client as zombied (a client that had its tab closed). Zombied\n     * clients are ignored during primary tab selection.\n     */\n    e.prototype._c = function() {\n        if (this.Ga) try {\n            this.Ga.setItem(this.hc(this.clientId), String(Date.now()));\n        } catch (t) {\n            // Gracefully handle if LocalStorage isn\'t available / working.\n            p("Failed to set zombie client id.", t);\n        }\n    }, \n    /** Removes the zombied client entry if it exists. */ e.prototype.wc = function() {\n        if (this.Ga) try {\n            this.Ga.removeItem(this.hc(this.clientId));\n        } catch (t) {\n            // Ignore\n        }\n    }, e.prototype.hc = function(t) {\n        return "firestore_zombie_" + this.persistenceKey + "_" + t;\n    }, e;\n}();\n\n/**\n * Oldest acceptable age in milliseconds for client metadata before the client\n * is considered inactive and its associated data is garbage collected.\n */\n/**\n * Helper to get a typed SimpleDbStore for the primary client object store.\n */\nfunction fo(t) {\n    return ho.Qn(t, qi.store);\n}\n\n/**\n * Helper to get a typed SimpleDbStore for the client metadata object store.\n */ function lo(t) {\n    return ho.Qn(t, Zi.store);\n}\n\n/** Provides LRU functionality for IndexedDB persistence. */ var po = /** @class */ function() {\n    function t(t, e) {\n        this.db = t, this.wo = new ci(this, e);\n    }\n    return t.prototype.Po = function(t) {\n        var e = this.Rc(t);\n        return this.db.Tc().ba(t).next((function(t) {\n            return e.next((function(e) {\n                return t + e;\n            }));\n        }));\n    }, t.prototype.Rc = function(t) {\n        var e = 0;\n        return this.Vo(t, (function(t) {\n            e++;\n        })).next((function() {\n            return e;\n        }));\n    }, t.prototype.Ce = function(t, e) {\n        return this.db.Tc().Ce(t, e);\n    }, t.prototype.Vo = function(t, e) {\n        return this.gc(t, (function(t, n) {\n            return e(n);\n        }));\n    }, t.prototype.Da = function(t, e, n) {\n        return vo(t, n);\n    }, t.prototype.Na = function(t, e, n) {\n        return vo(t, n);\n    }, t.prototype.po = function(t, e, n) {\n        return this.db.Tc().po(t, e, n);\n    }, t.prototype.Go = function(t, e) {\n        return vo(t, e);\n    }, \n    /**\n     * Returns true if anything would prevent this document from being garbage\n     * collected, given that the document in question is not present in any\n     * targets and has a sequence number less than or equal to the upper bound for\n     * the collection run.\n     */\n    t.prototype.Pc = function(t, e) {\n        return function(t, e) {\n            var n = !1;\n            return xi(t).os((function(r) {\n                return Ni(t, r, e).next((function(t) {\n                    return t && (n = !0), yr.resolve(!t);\n                }));\n            })).next((function() {\n                return n;\n            }));\n        }(t, e);\n    }, t.prototype.bo = function(t, e) {\n        var n = this, r = this.db.Ec().ra(), i = [], o = 0;\n        return this.gc(t, (function(s, u) {\n            if (u <= e) {\n                var a = n.Pc(t, s).next((function(e) {\n                    if (!e) \n                    // Our size accounting requires us to read all documents before\n                    // removing them.\n                    return o++, r.Rr(t, s).next((function() {\n                        return r.Ar(s), uo(t).delete([ 0, hi(s.path) ]);\n                    }));\n                }));\n                i.push(a);\n            }\n        })).next((function() {\n            return yr.$n(i);\n        })).next((function() {\n            return r.apply(t);\n        })).next((function() {\n            return o;\n        }));\n    }, t.prototype.removeTarget = function(t, e) {\n        var n = e.st(t.xa);\n        return this.db.Tc().ya(t, n);\n    }, t.prototype.yc = function(t, e) {\n        return vo(t, e);\n    }, \n    /**\n     * Call provided function for each document in the cache that is \'orphaned\'. Orphaned\n     * means not a part of any target, so the only entry in the target-document index for\n     * that document will be the sentinel row (targetId 0), which will also have the sequence\n     * number for the last time the document was accessed.\n     */\n    t.prototype.gc = function(t, e) {\n        var n, r = uo(t), i = qr.ai;\n        return r.rs({\n            index: Yi.documentTargetsIndex\n        }, (function(t, r) {\n            var o = t[0], s = (t[1], r.path), u = r.sequenceNumber;\n            0 === o ? (\n            // if nextToReport is valid, report it, this is a new key so the\n            // last one must not be a member of any targets.\n            i !== qr.ai && e(new A(pi(n)), i), \n            // set nextToReport to be this sequence number. It\'s the next one we\n            // might report, if we don\'t find any targets for this document.\n            // Note that the sequence number must be defined when the targetId\n            // is 0.\n            i = u, n = s) : \n            // set nextToReport to be invalid, we know we don\'t need to report\n            // this one since we found a target for it.\n            i = qr.ai;\n        })).next((function() {\n            // Since we report sequence numbers after getting to the next key, we\n            // need to check if the last key we iterated over was an orphaned\n            // document and report it.\n            i !== qr.ai && e(new A(pi(n)), i);\n        }));\n    }, t.prototype.So = function(t) {\n        return this.db.Ec().aa(t);\n    }, t;\n}();\n\nfunction vo(t, e) {\n    return uo(t).put(\n    /**\n * @return A value suitable for writing a sentinel row in the target-document\n * store.\n */\n    function(t, e) {\n        return new Yi(0, hi(t.path), e);\n    }(e, t.xa));\n}\n\n/**\n * Generates a string used as a prefix when storing data in IndexedDB and\n * LocalStorage.\n */ function yo(t, e) {\n    // Use two different prefix formats:\n    //   * firestore / persistenceKey / projectID . databaseID / ...\n    //   * firestore / persistenceKey / projectID / ...\n    // projectIDs are DNS-compatible names and cannot contain dots\n    // so there\'s no danger of collisions.\n    var n = t.projectId;\n    return t.j || (n += "." + t.database), "firestore/" + e + "/" + n + "/"\n    /**\n * Implements `LocalStore` interface.\n *\n * Note: some field defined in this class might have public access level, but\n * the class is not exported so they are only accessible from this module.\n * This is useful to implement optional features (like bundles) in free\n * functions, such that they are tree-shakeable.\n */;\n}\n\nvar go = /** @class */ function() {\n    function t(\n    /** Manages our in-memory or durable persistence. */\n    t, e, n) {\n        this.persistence = t, this.Vc = e, \n        /**\n             * Maps a targetID to data about its target.\n             *\n             * PORTING NOTE: We are using an immutable data structure on Web to make re-runs\n             * of `applyRemoteEvent()` idempotent.\n             */\n        this.bc = new bt(H), \n        /** Maps a target to its targetID. */\n        // TODO(wuandy): Evaluate if TargetId can be part of Target.\n        this.vc = new it((function(t) {\n            return lt(t);\n        }), pt), \n        /**\n             * The read time of the last entry processed by `getNewDocumentChanges()`.\n             *\n             * PORTING NOTE: This is only used for multi-tab synchronization.\n             */\n        this.Sc = st.min(), this.Sr = t.mc(n), this.Dc = t.Ec(), this.Ka = t.Tc(), this.Cc = new ni(this.Dc, this.Sr, this.persistence.Ic()), \n        this.Vc.Nc(this.Cc);\n    }\n    return t.prototype.Io = function(t) {\n        var e = this;\n        return this.persistence.runTransaction("Collect garbage", "readwrite-primary", (function(n) {\n            return t.vo(n, e.bc);\n        }));\n    }, t;\n}();\n\n/**\n * Acknowledges the given batch.\n *\n * On the happy path when a batch is acknowledged, the local store will\n *\n *  + remove the batch from the mutation queue;\n *  + apply the changes to the remote document cache;\n *  + recalculate the latency compensated view implied by those changes (there\n *    may be mutations in the queue that affect the documents but haven\'t been\n *    acknowledged yet); and\n *  + give the changed documents back the sync engine\n *\n * @returns The resulting (modified) documents.\n */ function mo(t, e) {\n    var n = m(t);\n    return n.persistence.runTransaction("Acknowledge batch", "readwrite-primary", (function(t) {\n        var r = e.batch.keys(), i = n.Dc.ra({\n            oa: !0\n        });\n        return function(t, e, n, r) {\n            var i = n.batch, o = i.keys(), s = yr.resolve();\n            return o.forEach((function(t) {\n                s = s.next((function() {\n                    return r.Rr(e, t);\n                })).next((function(e) {\n                    var o = e, s = n.dr.get(t);\n                    g(null !== s), (!o || o.version.L(s) < 0) && ((o = i.cr(t, o, n)) && \n                    // We use the commitVersion as the readTime rather than the\n                    // document\'s updateTime since the updateTime is not advanced\n                    // for updates that do not modify the underlying document.\n                    r.Er(o, n._r));\n                }));\n            })), s.next((function() {\n                return t.Sr.Wo(e, i);\n            }));\n        }(n, t, e, i).next((function() {\n            return i.apply(t);\n        })).next((function() {\n            return n.Sr.zo(t);\n        })).next((function() {\n            return n.Cc.kr(t, r);\n        }));\n    }));\n}\n\n/**\n * Removes mutations from the MutationQueue for the specified batch;\n * LocalDocuments will be recalculated.\n *\n * @returns The resulting modified documents.\n */\n/**\n * Returns the last consistent snapshot processed (used by the RemoteStore to\n * determine whether to buffer incoming snapshots from the backend).\n */ function wo(t) {\n    var e = m(t);\n    return e.persistence.runTransaction("Get last remote snapshot version", "readonly", (function(t) {\n        return e.Ka.Ea(t);\n    }));\n}\n\n/**\n * Updates the "ground-state" (remote) documents. We assume that the remote\n * event reflects any write batches that have been acknowledged or rejected\n * (i.e. we do not re-apply local mutations to updates from this event).\n *\n * LocalDocuments are re-calculated if there are remaining mutations in the\n * queue.\n */ function _o(t, e) {\n    var n = m(t), r = e.nt, i = n.bc;\n    return n.persistence.runTransaction("Apply remote event", "readwrite-primary", (function(t) {\n        var o = n.Dc.ra({\n            oa: !0\n        });\n        // Reset newTargetDataByTargetMap in case this transaction gets re-run.\n                i = n.bc;\n        var s = [];\n        e.zt.forEach((function(e, o) {\n            var u = i.get(o);\n            if (u) {\n                // Only update the remote keys if the target is still active. This\n                // ensures that we can persist the updated target data along with\n                // the updated assignment.\n                s.push(n.Ka.Ca(t, e.se, o).next((function() {\n                    return n.Ka.Sa(t, e.ee, o);\n                })));\n                var a = e.resumeToken;\n                // Update the resume token if the change includes one.\n                                if (a.O() > 0) {\n                    var c = u.it(a, r).st(t.xa);\n                    i = i.ot(o, c), \n                    // Update the target data if there are target changes (or if\n                    // sufficient time has passed since the last update).\n                    /**\n     * Returns true if the newTargetData should be persisted during an update of\n     * an active target. TargetData should always be persisted when a target is\n     * being released and should not call this function.\n     *\n     * While the target is active, TargetData updates can be omitted when nothing\n     * about the target has changed except metadata like the resume token or\n     * snapshot version. Occasionally it\'s worth the extra write to prevent these\n     * values from getting too stale after a crash, but this doesn\'t have to be\n     * too frequent.\n     */\n                    function(t, e, n) {\n                        // Always persist target data if we don\'t already have a resume token.\n                        return g(e.resumeToken.O() > 0), 0 === t.resumeToken.O() || (\n                        // Don\'t allow resume token changes to be buffered indefinitely. This\n                        // allows us to be reasonably up-to-date after a crash and avoids needing\n                        // to loop over all active queries on shutdown. Especially in the browser\n                        // we may not get time to do anything interesting while the current tab is\n                        // closing.\n                        e.nt.X() - t.nt.X() >= 3e8 || n.ee.size + n.ne.size + n.se.size > 0);\n                    }(u, c, e) && s.push(n.Ka.ya(t, c));\n                }\n            }\n        }));\n        var u = St(), a = Ot();\n        // HACK: The only reason we allow a null snapshot version is so that we\n        // can synthesize remote events when we get permission denied errors while\n        // trying to resolve the state of a locally cached document that is in\n        // limbo.\n                if (e.Yt.forEach((function(t, e) {\n            a = a.add(t);\n        })), \n        // Each loop iteration only affects its "own" doc, so it\'s safe to get all the remote\n        // documents in advance in a single call.\n        s.push(o.getEntries(t, a).next((function(i) {\n            e.Yt.forEach((function(a, c) {\n                var h = i.get(a);\n                // Note: The order of the steps below is important, since we want\n                // to ensure that rejected limbo resolutions (which fabricate\n                // NoDocuments with SnapshotVersion.min()) never add documents to\n                // cache.\n                                c instanceof Rn && c.version.isEqual(st.min()) ? (\n                // NoDocuments with SnapshotVersion.min() are used in manufactured\n                // events. We remove these documents from cache since we lost\n                // access.\n                o.Ar(a, r), u = u.ot(a, c)) : null == h || c.version.L(h.version) > 0 || 0 === c.version.L(h.version) && h.hasPendingWrites ? (o.Er(c, r), \n                u = u.ot(a, c)) : l("LocalStore", "Ignoring outdated watch update for ", a, ". Current version:", h.version, " Watch version:", c.version), \n                e.Jt.has(a) && s.push(n.persistence.No.yc(t, a));\n            }));\n        }))), !r.isEqual(st.min())) {\n            var c = n.Ka.Ea(t).next((function(e) {\n                return n.Ka.Aa(t, t.xa, r);\n            }));\n            s.push(c);\n        }\n        return yr.$n(s).next((function() {\n            return o.apply(t);\n        })).next((function() {\n            return n.Cc.Mr(t, u);\n        }));\n    })).then((function(t) {\n        return n.bc = i, t;\n    }));\n}\n\n/**\n * Gets the mutation batch after the passed in batchId in the mutation queue\n * or null if empty.\n * @param afterBatchId If provided, the batch to search after.\n * @returns The next mutation or null if there wasn\'t one.\n */ function bo(t, e) {\n    var n = m(t);\n    return n.persistence.runTransaction("Get next mutation batch", "readonly", (function(t) {\n        return void 0 === e && (e = -1), n.Sr.Bo(t, e);\n    }));\n}\n\n/**\n * Reads the current value of a Document with a given key or null if not\n * found - used for testing.\n */\n/**\n * Assigns the given target an internal ID so that its results can be pinned so\n * they don\'t get GC\'d. A target must be allocated in the local store before\n * the store can be used to manage its view.\n *\n * Allocating an already allocated `Target` will return the existing `TargetData`\n * for that `Target`.\n */ function Io(t, e) {\n    var n = m(t);\n    return n.persistence.runTransaction("Allocate target", "readwrite", (function(t) {\n        var r;\n        return n.Ka.va(t, e).next((function(i) {\n            return i ? (\n            // This target has been listened to previously, so reuse the\n            // previous targetID.\n            // TODO(mcg): freshen last accessed date?\n            r = i, yr.resolve(r)) : n.Ka.wa(t).next((function(i) {\n                return r = new gt(e, i, 0 /* Listen */ , t.xa), n.Ka.Ra(t, r).next((function() {\n                    return r;\n                }));\n            }));\n        }));\n    })).then((function(t) {\n        // If Multi-Tab is enabled, the existing target data may be newer than\n        // the in-memory data\n        var r = n.bc.get(t.targetId);\n        return (null === r || t.nt.L(r.nt) > 0) && (n.bc = n.bc.ot(t.targetId, t), n.vc.set(e, t.targetId)), \n        t;\n    }));\n}\n\n/**\n * Returns the TargetData as seen by the LocalStore, including updates that may\n * have not yet been persisted to the TargetCache.\n */\n// Visible for testing.\n/**\n * Unpins all the documents associated with the given target. If\n * `keepPersistedTargetData` is set to false and Eager GC enabled, the method\n * directly removes the associated target data from the target cache.\n *\n * Releasing a non-existing `Target` is a no-op.\n */\n// PORTING NOTE: `keepPersistedTargetData` is multi-tab only.\nfunction Eo(e, n, r) {\n    return t.__awaiter(this, void 0, void 0, (function() {\n        var i, o, s, u;\n        return t.__generator(this, (function(t) {\n            switch (t.label) {\n              case 0:\n                i = m(e), o = i.bc.get(n), s = r ? "readwrite" : "readwrite-primary", t.label = 1;\n\n              case 1:\n                return t.trys.push([ 1, 4, , 5 ]), r ? [ 3 /*break*/ , 3 ] : [ 4 /*yield*/ , i.persistence.runTransaction("Release target", s, (function(t) {\n                    return i.persistence.No.removeTarget(t, o);\n                })) ];\n\n              case 2:\n                t.sent(), t.label = 3;\n\n              case 3:\n                return [ 3 /*break*/ , 5 ];\n\n              case 4:\n                if (!_r(u = t.sent())) throw u;\n                // All `releaseTarget` does is record the final metadata state for the\n                // target, but we\'ve been recording this periodically during target\n                // activity. If we lose this write this could cause a very slight\n                // difference in the order of target deletion during GC, but we\n                // don\'t define exact LRU semantics so this is acceptable.\n                                return l("LocalStore", "Failed to update sequence numbers for target " + n + ": " + u), \n                [ 3 /*break*/ , 5 ];\n\n              case 5:\n                return i.bc = i.bc.remove(n), i.vc.delete(o.target), [ 2 /*return*/ ];\n            }\n        }));\n    }));\n}\n\n/**\n * Runs the specified query against the local store and returns the results,\n * potentially taking advantage of query data from previous executions (such\n * as the set of remote keys).\n *\n * @param usePreviousResults Whether results from previous executions can\n * be used to optimize this query execution.\n */ function To(t, e, n) {\n    var r = m(t), i = st.min(), o = Ot();\n    return r.persistence.runTransaction("Execute query", "readonly", (function(t) {\n        return function(t, e, n) {\n            var r = m(t), i = r.vc.get(n);\n            return void 0 !== i ? yr.resolve(r.bc.get(i)) : r.Ka.va(e, n);\n        }(r, t, zn(e)).next((function(e) {\n            if (e) return i = e.lastLimboFreeSnapshotVersion, r.Ka.Fa(t, e.targetId).next((function(t) {\n                o = t;\n            }));\n        })).next((function() {\n            return r.Vc.Lr(t, e, n ? i : st.min(), n ? o : Ot());\n        })).next((function(t) {\n            return {\n                documents: t,\n                Fc: o\n            };\n        }));\n    }));\n}\n\n// PORTING NOTE: Multi-Tab only.\nfunction No(t, e) {\n    var n = m(t), r = m(n.Ka), i = n.bc.get(e);\n    return i ? Promise.resolve(i.target) : n.persistence.runTransaction("Get target data", "readonly", (function(t) {\n        return r.Ue(t, e).next((function(t) {\n            return t ? t.target : null;\n        }));\n    }));\n}\n\n/**\n * Returns the set of documents that have been updated since the last call.\n * If this is the first call, returns the set of changes since client\n * initialization. Further invocations will return document that have changed\n * since the prior call.\n */\n// PORTING NOTE: Multi-Tab only.\nfunction Ao(t) {\n    var e = m(t);\n    return e.persistence.runTransaction("Get new document changes", "readonly", (function(t) {\n        return function(t, e, n) {\n            var r = m(t), i = St(), o = gi(n), s = Oi(e), u = IDBKeyRange.lowerBound(o, !0);\n            return s.rs({\n                index: Ki.readTimeIndex,\n                range: u\n            }, (function(t, e) {\n                // Unlike `getEntry()` and others, `getNewDocumentChanges()` parses\n                // the documents directly since we want to keep sentinel deletes.\n                var n = vi(r.serializer, e);\n                i = i.ot(n.key, n), o = e.readTime;\n            })).next((function() {\n                return {\n                    xc: i,\n                    readTime: mi(o)\n                };\n            }));\n        }(e.Dc, t, e.Sc);\n    })).then((function(t) {\n        var n = t.xc, r = t.readTime;\n        return e.Sc = r, n;\n    }));\n}\n\n/**\n * Reads the newest document change from persistence and moves the internal\n * synchronization marker forward so that calls to `getNewDocumentChanges()`\n * only return changes that happened after client initialization.\n */\n// PORTING NOTE: Multi-Tab only.\nfunction So(e) {\n    return t.__awaiter(this, void 0, void 0, (function() {\n        var n;\n        return t.__generator(this, (function(t) {\n            return [ 2 /*return*/ , (n = m(e)).persistence.runTransaction("Synchronize last document change read time", "readonly", (function(t) {\n                return function(t) {\n                    var e = Oi(t), n = st.min();\n                    // If there are no existing entries, we return SnapshotVersion.min().\n                                        return e.rs({\n                        index: Ki.readTimeIndex,\n                        reverse: !0\n                    }, (function(t, e, r) {\n                        e.readTime && (n = mi(e.readTime)), r.done();\n                    })).next((function() {\n                        return n;\n                    }));\n                }(t);\n            })).then((function(t) {\n                n.Sc = t;\n            })) ];\n        }));\n    }));\n}\n\n/**\n * Verifies the error thrown by a LocalStore operation. If a LocalStore\n * operation fails because the primary lease has been taken by another client,\n * we ignore the error (the persistence layer will immediately call\n * `applyPrimaryLease` to propagate the primary state change). All other errors\n * are re-thrown.\n *\n * @param err An error returned by a LocalStore operation.\n * @return A Promise that resolves after we recovered, or the original error.\n */ function Do(e) {\n    return t.__awaiter(this, void 0, void 0, (function() {\n        return t.__generator(this, (function(t) {\n            if (e.code !== a.FAILED_PRECONDITION || e.message !== ti) throw e;\n            return l("LocalStore", "Unexpectedly lost primary lease"), [ 2 /*return*/ ];\n        }));\n    }));\n}\n\n/**\n * @license\n * Copyright 2017 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the "License");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an "AS IS" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/**\n * A collection of references to a document from some kind of numbered entity\n * (either a target ID or batch ID). As references are added to or removed from\n * the set corresponding events are emitted to a registered garbage collector.\n *\n * Each reference is represented by a DocumentReference object. Each of them\n * contains enough information to uniquely identify the reference. They are all\n * stored primarily in a set sorted by key. A document is considered garbage if\n * there\'s no references in that set (this can be efficiently checked thanks to\n * sorting by key).\n *\n * ReferenceSet also keeps a secondary set that contains references sorted by\n * IDs. This one is used to efficiently implement removal of all references by\n * some target ID.\n */ var xo = /** @class */ function() {\n    function t() {\n        // A set of outstanding references to a document sorted by key.\n        this.$c = new Tt(Lo.kc), \n        // A set of outstanding references to a document sorted by target id.\n        this.Mc = new Tt(Lo.Oc)\n        /** Returns true if the reference set contains no references. */;\n    }\n    return t.prototype.m = function() {\n        return this.$c.m();\n    }, \n    /** Adds a reference to the given document key for the given ID. */ t.prototype.Da = function(t, e) {\n        var n = new Lo(t, e);\n        this.$c = this.$c.add(n), this.Mc = this.Mc.add(n);\n    }, \n    /** Add references to the given document keys for the given ID. */ t.prototype.Lc = function(t, e) {\n        var n = this;\n        t.forEach((function(t) {\n            return n.Da(t, e);\n        }));\n    }, \n    /**\n     * Removes a reference to the given document key for the given\n     * ID.\n     */\n    t.prototype.Na = function(t, e) {\n        this.Bc(new Lo(t, e));\n    }, t.prototype.qc = function(t, e) {\n        var n = this;\n        t.forEach((function(t) {\n            return n.Na(t, e);\n        }));\n    }, \n    /**\n     * Clears all references with a given ID. Calls removeRef() for each key\n     * removed.\n     */\n    t.prototype.Uc = function(t) {\n        var e = this, n = new A(new E([])), r = new Lo(n, t), i = new Lo(n, t + 1), o = [];\n        return this.Mc.Ft([ r, i ], (function(t) {\n            e.Bc(t), o.push(t.key);\n        })), o;\n    }, t.prototype.Qc = function() {\n        var t = this;\n        this.$c.forEach((function(e) {\n            return t.Bc(e);\n        }));\n    }, t.prototype.Bc = function(t) {\n        this.$c = this.$c.delete(t), this.Mc = this.Mc.delete(t);\n    }, t.prototype.Wc = function(t) {\n        var e = new A(new E([])), n = new Lo(e, t), r = new Lo(e, t + 1), i = Ot();\n        return this.Mc.Ft([ n, r ], (function(t) {\n            i = i.add(t.key);\n        })), i;\n    }, t.prototype.Ho = function(t) {\n        var e = new Lo(t, 0), n = this.$c.$t(e);\n        return null !== n && t.isEqual(n.key);\n    }, t;\n}(), Lo = /** @class */ function() {\n    function t(t, e) {\n        this.key = t, this.jc = e\n        /** Compare by key then by ID */;\n    }\n    return t.kc = function(t, e) {\n        return A.i(t.key, e.key) || H(t.jc, e.jc);\n    }, \n    /** Compare by ID then by key */ t.Oc = function(t, e) {\n        return H(t.jc, e.jc) || A.i(t.key, e.key);\n    }, t;\n}(), ko = function(t, e) {\n    this.user = e, this.type = "OAuth", this.Kc = {}, \n    // Set the headers using Object Literal notation to avoid minification\n    this.Kc.Authorization = "Bearer " + t;\n}, Ro = /** @class */ function() {\n    function t() {\n        /**\n         * Stores the listener registered with setChangeListener()\n         * This isn\'t actually necessary since the UID never changes, but we use this\n         * to verify the listen contract is adhered to in tests.\n         */\n        this.Gc = null;\n    }\n    return t.prototype.getToken = function() {\n        return Promise.resolve(null);\n    }, t.prototype.zc = function() {}, t.prototype.Hc = function(t) {\n        this.Gc = t, \n        // Fire with initial user.\n        t(Mr.UNAUTHENTICATED);\n    }, t.prototype.Yc = function() {\n        this.Gc = null;\n    }, t;\n}(), Oo = /** @class */ function() {\n    function t(t) {\n        var e = this;\n        /**\n         * The auth token listener registered with FirebaseApp, retained here so we\n         * can unregister it.\n         */        this.Jc = null, \n        /** Tracks the current User. */\n        this.currentUser = Mr.UNAUTHENTICATED, this.Xc = !1, \n        /**\n             * Counter used to detect if the token changed while a getToken request was\n             * outstanding.\n             */\n        this.Zc = 0, \n        /** The listener registered with setChangeListener(). */\n        this.Gc = null, this.forceRefresh = !1, this.Jc = function() {\n            e.Zc++, e.currentUser = e.tu(), e.Xc = !0, e.Gc && e.Gc(e.currentUser);\n        }, this.Zc = 0, this.auth = t.getImmediate({\n            optional: !0\n        }), this.auth ? this.auth.addAuthTokenListener(this.Jc) : (\n        // if auth is not available, invoke tokenListener once with null token\n        this.Jc(null), t.get().then((function(t) {\n            e.auth = t, e.Jc && \n            // tokenListener can be removed by removeChangeListener()\n            e.auth.addAuthTokenListener(e.Jc);\n        }), (function() {})));\n    }\n    return t.prototype.getToken = function() {\n        var t = this, e = this.Zc, n = this.forceRefresh;\n        // Take note of the current value of the tokenCounter so that this method\n        // can fail (with an ABORTED error) if there is a token change while the\n        // request is outstanding.\n                return this.forceRefresh = !1, this.auth ? this.auth.getToken(n).then((function(n) {\n            // Cancel the request since the token changed while the request was\n            // outstanding so the response is potentially for a previous user (which\n            // user, we can\'t be sure).\n            return t.Zc !== e ? (l("FirebaseCredentialsProvider", "getToken aborted due to token change."), \n            t.getToken()) : n ? (g("string" == typeof n.accessToken), new ko(n.accessToken, t.currentUser)) : null;\n        })) : Promise.resolve(null);\n    }, t.prototype.zc = function() {\n        this.forceRefresh = !0;\n    }, t.prototype.Hc = function(t) {\n        this.Gc = t, \n        // Fire the initial event\n        this.Xc && t(this.currentUser);\n    }, t.prototype.Yc = function() {\n        this.auth && this.auth.removeAuthTokenListener(this.Jc), this.Jc = null, this.Gc = null;\n    }, \n    // Auth.getUid() can return null even with a user logged in. It is because\n    // getUid() is synchronous, but the auth code populating Uid is asynchronous.\n    // This method should only be called in the AuthTokenListener callback\n    // to guarantee to get the actual user.\n    t.prototype.tu = function() {\n        var t = this.auth && this.auth.getUid();\n        return g(null === t || "string" == typeof t), new Mr(t);\n    }, t;\n}(), Po = /** @class */ function() {\n    function t(t, e) {\n        this.eu = t, this.nu = e, this.type = "FirstParty", this.user = Mr.ni;\n    }\n    return Object.defineProperty(t.prototype, "Kc", {\n        get: function() {\n            var t = {\n                "X-Goog-AuthUser": this.nu\n            }, e = this.eu.auth.getAuthHeaderValueForFirstParty([]);\n            // Use array notation to prevent minification\n                        return e && (t.Authorization = e), t;\n        },\n        enumerable: !1,\n        configurable: !0\n    }), t;\n}(), Vo = /** @class */ function() {\n    function t(t, e) {\n        this.eu = t, this.nu = e;\n    }\n    return t.prototype.getToken = function() {\n        return Promise.resolve(new Po(this.eu, this.nu));\n    }, t.prototype.Hc = function(t) {\n        // Fire with initial uid.\n        t(Mr.ni);\n    }, t.prototype.Yc = function() {}, t.prototype.zc = function() {}, t;\n}(), Uo = /** @class */ function() {\n    function e(t, e, n, r, i, o) {\n        this.fn = t, this.su = n, this.iu = r, this.ru = i, this.listener = o, this.state = 0 /* Initial */ , \n        /**\n             * A close count that\'s incremented every time the stream is closed; used by\n             * getCloseGuardedDispatcher() to invalidate callbacks that happen after\n             * close.\n             */\n        this.ou = 0, this.au = null, this.stream = null, this.ys = new vr(t, e)\n        /**\n     * Returns true if start() has been called and no error has occurred. True\n     * indicates the stream is open or in the process of opening (which\n     * encompasses respecting backoff, getting auth tokens, and starting the\n     * actual RPC). Use isOpen() to determine if the stream is open and ready for\n     * outbound requests.\n     */;\n    }\n    return e.prototype.cu = function() {\n        return 1 /* Starting */ === this.state || 2 /* Open */ === this.state || 4 /* Backoff */ === this.state;\n    }, \n    /**\n     * Returns true if the underlying RPC is open (the onOpen() listener has been\n     * called) and the stream is ready for outbound requests.\n     */\n    e.prototype.uu = function() {\n        return 2 /* Open */ === this.state;\n    }, \n    /**\n     * Starts the RPC. Only allowed if isStarted() returns false. The stream is\n     * not immediately ready for use: onOpen() will be invoked when the RPC is\n     * ready for outbound requests, at which point isOpen() will return true.\n     *\n     * When start returns, isStarted() will return true.\n     */\n    e.prototype.start = function() {\n        3 /* Error */ !== this.state ? this.auth() : this.hu();\n    }, \n    /**\n     * Stops the RPC. This call is idempotent and allowed regardless of the\n     * current isStarted() state.\n     *\n     * When stop returns, isStarted() and isOpen() will both return false.\n     */\n    e.prototype.stop = function() {\n        return t.__awaiter(this, void 0, void 0, (function() {\n            return t.__generator(this, (function(t) {\n                switch (t.label) {\n                  case 0:\n                    return this.cu() ? [ 4 /*yield*/ , this.close(0 /* Initial */) ] : [ 3 /*break*/ , 2 ];\n\n                  case 1:\n                    t.sent(), t.label = 2;\n\n                  case 2:\n                    return [ 2 /*return*/ ];\n                }\n            }));\n        }));\n    }, \n    /**\n     * After an error the stream will usually back off on the next attempt to\n     * start it. If the error warrants an immediate restart of the stream, the\n     * sender can use this to indicate that the receiver should not back off.\n     *\n     * Each error will call the onClose() listener. That function can decide to\n     * inhibit backoff if required.\n     */\n    e.prototype.lu = function() {\n        this.state = 0 /* Initial */ , this.ys.reset();\n    }, \n    /**\n     * Marks this stream as idle. If no further actions are performed on the\n     * stream for one minute, the stream will automatically close itself and\n     * notify the stream\'s onClose() handler with Status.OK. The stream will then\n     * be in a !isStarted() state, requiring the caller to start the stream again\n     * before further use.\n     *\n     * Only streams that are in state \'Open\' can be marked idle, as all other\n     * states imply pending network operations.\n     */\n    e.prototype._u = function() {\n        var t = this;\n        // Starts the idle time if we are in state \'Open\' and are not yet already\n        // running a timer (in which case the previous idle timeout still applies).\n                this.uu() && null === this.au && (this.au = this.fn.yn(this.su, 6e4, (function() {\n            return t.fu();\n        })));\n    }, \n    /** Sends a message to the underlying stream. */ e.prototype.du = function(t) {\n        this.wu(), this.stream.send(t);\n    }, \n    /** Called by the idle timer when the stream should close due to inactivity. */ e.prototype.fu = function() {\n        return t.__awaiter(this, void 0, void 0, (function() {\n            return t.__generator(this, (function(t) {\n                return this.uu() ? [ 2 /*return*/ , this.close(0 /* Initial */) ] : [ 2 /*return*/ ];\n            }));\n        }));\n    }, \n    /** Marks the stream as active again. */ e.prototype.wu = function() {\n        this.au && (this.au.cancel(), this.au = null);\n    }, \n    /**\n     * Closes the stream and cleans up as necessary:\n     *\n     * * closes the underlying GRPC stream;\n     * * calls the onClose handler with the given \'error\';\n     * * sets internal stream state to \'finalState\';\n     * * adjusts the backoff timer based on the error\n     *\n     * A new stream can be opened by calling start().\n     *\n     * @param finalState the intended state of the stream after closing.\n     * @param error the error the connection was closed with.\n     */\n    e.prototype.close = function(e, n) {\n        return t.__awaiter(this, void 0, void 0, (function() {\n            return t.__generator(this, (function(t) {\n                switch (t.label) {\n                  case 0:\n                    // Notify the listener that the stream closed.\n                    // Cancel any outstanding timers (they\'re guaranteed not to execute).\n                    return this.wu(), this.ys.cancel(), \n                    // Invalidates any stream-related callbacks (e.g. from auth or the\n                    // underlying stream), guaranteeing they won\'t execute.\n                    this.ou++, 3 /* Error */ !== e ? \n                    // If this is an intentional close ensure we don\'t delay our next connection attempt.\n                    this.ys.reset() : n && n.code === a.RESOURCE_EXHAUSTED ? (\n                    // Log the error. (Probably either \'quota exceeded\' or \'max queue length reached\'.)\n                    p(n.toString()), p("Using maximum backoff delay to prevent overloading the backend."), \n                    this.ys.Rn()) : n && n.code === a.UNAUTHENTICATED && \n                    // "unauthenticated" error means the token was rejected. Try force refreshing it in case it\n                    // just expired.\n                    this.ru.zc(), \n                    // Clean up the underlying stream because we are no longer interested in events.\n                    null !== this.stream && (this.mu(), this.stream.close(), this.stream = null), \n                    // This state must be assigned before calling onClose() to allow the callback to\n                    // inhibit backoff or otherwise manipulate the state in its non-started state.\n                    this.state = e, [ 4 /*yield*/ , this.listener.Tu(n) ];\n\n                  case 1:\n                    // Cancel any outstanding timers (they\'re guaranteed not to execute).\n                    // Notify the listener that the stream closed.\n                    return t.sent(), [ 2 /*return*/ ];\n                }\n            }));\n        }));\n    }, \n    /**\n     * Can be overridden to perform additional cleanup before the stream is closed.\n     * Calling super.tearDown() is not required.\n     */\n    e.prototype.mu = function() {}, e.prototype.auth = function() {\n        var t = this;\n        this.state = 1 /* Starting */;\n        var e = this.Eu(this.ou), n = this.ou;\n        // TODO(mikelehen): Just use dispatchIfNotClosed, but see TODO below.\n                this.ru.getToken().then((function(e) {\n            // Stream can be stopped while waiting for authentication.\n            // TODO(mikelehen): We really should just use dispatchIfNotClosed\n            // and let this dispatch onto the queue, but that opened a spec test can\n            // of worms that I don\'t want to deal with in this PR.\n            t.ou === n && \n            // Normally we\'d have to schedule the callback on the AsyncQueue.\n            // However, the following calls are safe to be called outside the\n            // AsyncQueue since they don\'t chain asynchronous calls\n            t.Iu(e);\n        }), (function(n) {\n            e((function() {\n                var e = new c(a.UNKNOWN, "Fetching auth token failed: " + n.message);\n                return t.Au(e);\n            }));\n        }));\n    }, e.prototype.Iu = function(t) {\n        var e = this, n = this.Eu(this.ou);\n        this.stream = this.Ru(t), this.stream.gu((function() {\n            n((function() {\n                return e.state = 2 /* Open */ , e.listener.gu();\n            }));\n        })), this.stream.Tu((function(t) {\n            n((function() {\n                return e.Au(t);\n            }));\n        })), this.stream.onMessage((function(t) {\n            n((function() {\n                return e.onMessage(t);\n            }));\n        }));\n    }, e.prototype.hu = function() {\n        var e = this;\n        this.state = 4 /* Backoff */ , this.ys.gn((function() {\n            return t.__awaiter(e, void 0, void 0, (function() {\n                return t.__generator(this, (function(t) {\n                    return this.state = 0 /* Initial */ , this.start(), [ 2 /*return*/ ];\n                }));\n            }));\n        }));\n    }, \n    // Visible for tests\n    e.prototype.Au = function(t) {\n        // In theory the stream could close cleanly, however, in our current model\n        // we never expect this to happen because if we stop a stream ourselves,\n        // this callback will never be called. To prevent cases where we retry\n        // without a backoff accidentally, we set the stream to error in all cases.\n        return l("PersistentStream", "close with error: " + t), this.stream = null, this.close(3 /* Error */ , t);\n    }, \n    /**\n     * Returns a "dispatcher" function that dispatches operations onto the\n     * AsyncQueue but only runs them if closeCount remains unchanged. This allows\n     * us to turn auth / stream callbacks into no-ops if the stream is closed /\n     * re-opened, etc.\n     */\n    e.prototype.Eu = function(t) {\n        var e = this;\n        return function(n) {\n            e.fn.ws((function() {\n                return e.ou === t ? n() : (l("PersistentStream", "stream callback skipped by getCloseGuardedDispatcher."), \n                Promise.resolve());\n            }));\n        };\n    }, e;\n}(), Co = /** @class */ function(e) {\n    function n(t, n, r, i, o) {\n        var s = this;\n        return (s = e.call(this, t, "listen_stream_connection_backoff" /* ListenStreamConnectionBackoff */ , "listen_stream_idle" /* ListenStreamIdle */ , n, r, o) || this).serializer = i, \n        s;\n    }\n    return t.__extends(n, e), n.prototype.Ru = function(t) {\n        return this.iu.Pu("Listen", t);\n    }, n.prototype.onMessage = function(t) {\n        // A successful response means the stream is healthy\n        this.ys.reset();\n        var e = function(t, e) {\n            var n;\n            if ("targetChange" in e) {\n                e.targetChange;\n                // proto3 default value is unset in JSON (undefined), so use \'NO_CHANGE\'\n                // if unset\n                var r = function(t) {\n                    return "NO_CHANGE" === t ? 0 /* NoChange */ : "ADD" === t ? 1 /* Added */ : "REMOVE" === t ? 2 /* Removed */ : "CURRENT" === t ? 3 /* Current */ : "RESET" === t ? 4 /* Reset */ : y();\n                }(e.targetChange.targetChangeType || "NO_CHANGE"), i = e.targetChange.targetIds || [], o = function(t, e) {\n                    return t.Qe ? (g(void 0 === e || "string" == typeof e), X.fromBase64String(e || "")) : (g(void 0 === e || e instanceof Uint8Array), \n                    X.fromUint8Array(e || new Uint8Array));\n                }(t, e.targetChange.resumeToken), s = e.targetChange.cause, u = s && function(t) {\n                    var e = void 0 === t.code ? a.UNKNOWN : _t(t.code);\n                    return new c(e, t.message || "");\n                }(s);\n                n = new zt(r, i, o, u || null);\n            } else if ("documentChange" in e) {\n                e.documentChange;\n                var h = e.documentChange;\n                h.document, h.document.name, h.document.updateTime;\n                var f = Se(t, h.document.name), l = Ee(h.document.updateTime), p = new Sn({\n                    mapValue: {\n                        fields: h.document.fields\n                    }\n                }), d = new kn(f, l, p, {}), v = h.targetIds || [], m = h.removedTargetIds || [];\n                n = new jt(v, m, d.key, d);\n            } else if ("documentDelete" in e) {\n                e.documentDelete;\n                var w = e.documentDelete;\n                w.document;\n                var _ = Se(t, w.document), b = w.readTime ? Ee(w.readTime) : st.min(), I = new Rn(_, b), E = w.removedTargetIds || [];\n                n = new jt([], E, I.key, I);\n            } else if ("documentRemove" in e) {\n                e.documentRemove;\n                var T = e.documentRemove;\n                T.document;\n                var N = Se(t, T.document), A = T.removedTargetIds || [];\n                n = new jt([], A, N, null);\n            } else {\n                if (!("filter" in e)) return y();\n                e.filter;\n                var S = e.filter;\n                S.targetId;\n                var D = S.count || 0, x = new mt(D), L = S.targetId;\n                n = new Gt(L, x);\n            }\n            return n;\n        }(this.serializer, t), n = function(t) {\n            // We have only reached a consistent snapshot for the entire stream if there\n            // is a read_time set and it applies to all targets (i.e. the list of\n            // targets is empty). The backend is guaranteed to send such responses.\n            if (!("targetChange" in t)) return st.min();\n            var e = t.targetChange;\n            return e.targetIds && e.targetIds.length ? st.min() : e.readTime ? Ee(e.readTime) : st.min();\n        }(t);\n        return this.listener.yu(e, n);\n    }, \n    /**\n     * Registers interest in the results of the given target. If the target\n     * includes a resumeToken it will be included in the request. Results that\n     * affect the target will be streamed back as WatchChange messages that\n     * reference the targetId.\n     */\n    n.prototype.Vu = function(t) {\n        var e = {};\n        e.database = Le(this.serializer), e.addTarget = function(t, e) {\n            var n, r = e.target;\n            return (n = dt(r) ? {\n                documents: Ve(t, r)\n            } : {\n                query: Ue(t, r)\n            }).targetId = e.targetId, e.resumeToken.O() > 0 && (n.resumeToken = be(t, e.resumeToken)), \n            n;\n        }(this.serializer, t);\n        var n = function(t, e) {\n            var n = function(t, e) {\n                switch (e) {\n                  case 0 /* Listen */ :\n                    return null;\n\n                  case 1 /* ExistenceFilterMismatch */ :\n                    return "existence-filter-mismatch";\n\n                  case 2 /* LimboResolution */ :\n                    return "limbo-document";\n\n                  default:\n                    return y();\n                }\n            }(0, e.et);\n            return null == n ? null : {\n                "goog-listen-tags": n\n            };\n        }(this.serializer, t);\n        n && (e.labels = n), this.du(e);\n    }, \n    /**\n     * Unregisters interest in the results of the target associated with the\n     * given targetId.\n     */\n    n.prototype.pu = function(t) {\n        var e = {};\n        e.database = Le(this.serializer), e.removeTarget = t, this.du(e);\n    }, n;\n}(Uo), Fo = /** @class */ function(e) {\n    function n(t, n, r, i, o) {\n        var s = this;\n        return (s = e.call(this, t, "write_stream_connection_backoff" /* WriteStreamConnectionBackoff */ , "write_stream_idle" /* WriteStreamIdle */ , n, r, o) || this).serializer = i, \n        s.bu = !1, s;\n    }\n    return t.__extends(n, e), Object.defineProperty(n.prototype, "vu", {\n        /**\n         * Tracks whether or not a handshake has been successfully exchanged and\n         * the stream is ready to accept mutations.\n         */\n        get: function() {\n            return this.bu;\n        },\n        enumerable: !1,\n        configurable: !0\n    }), \n    // Override of PersistentStream.start\n    n.prototype.start = function() {\n        this.bu = !1, this.lastStreamToken = void 0, e.prototype.start.call(this);\n    }, n.prototype.mu = function() {\n        this.bu && this.Su([]);\n    }, n.prototype.Ru = function(t) {\n        return this.iu.Pu("Write", t);\n    }, n.prototype.onMessage = function(t) {\n        if (\n        // Always capture the last stream token.\n        g(!!t.streamToken), this.lastStreamToken = t.streamToken, this.bu) {\n            // A successful first write response means the stream is healthy,\n            // Note, that we could consider a successful handshake healthy, however,\n            // the write itself might be causing an error we want to back off from.\n            this.ys.reset();\n            var e = function(t, e) {\n                return t && t.length > 0 ? (g(void 0 !== e), t.map((function(t) {\n                    return function(t, e) {\n                        // NOTE: Deletes don\'t have an updateTime.\n                        var n = t.updateTime ? Ee(t.updateTime) : Ee(e);\n                        n.isEqual(st.min()) && (\n                        // The Firestore Emulator currently returns an update time of 0 for\n                        // deletes of non-existing documents (rather than null). This breaks the\n                        // test "get deleted doc while offline with source=cache" as NoDocuments\n                        // with version 0 are filtered by IndexedDb\'s RemoteDocumentCache.\n                        // TODO(#2149): Remove this when Emulator is fixed\n                        n = Ee(e));\n                        var r = null;\n                        return t.transformResults && t.transformResults.length > 0 && (r = t.transformResults), \n                        new hn(n, r);\n                    }(t, e);\n                }))) : [];\n            }(t.writeResults, t.commitTime), n = Ee(t.commitTime);\n            return this.listener.Du(n, e);\n        }\n        // The first response is always the handshake response\n                return g(!t.writeResults || 0 === t.writeResults.length), this.bu = !0, \n        this.listener.Cu();\n    }, \n    /**\n     * Sends an initial streamToken to the server, performing the handshake\n     * required to make the StreamingWrite RPC work. Subsequent\n     * calls should wait until onHandshakeComplete was called.\n     */\n    n.prototype.Nu = function() {\n        // TODO(dimond): Support stream resumption. We intentionally do not set the\n        // stream token on the handshake, ignoring any stream token we might have.\n        var t = {};\n        t.database = Le(this.serializer), this.du(t);\n    }, \n    /** Sends a group of mutations to the Firestore backend to apply. */ n.prototype.Su = function(t) {\n        var e = this, n = {\n            streamToken: this.lastStreamToken,\n            writes: t.map((function(t) {\n                return Oe(e.serializer, t);\n            }))\n        };\n        this.du(n);\n    }, n;\n}(Uo), Mo = /** @class */ function(e) {\n    function n(t, n, r) {\n        var i = this;\n        return (i = e.call(this) || this).credentials = t, i.iu = n, i.serializer = r, i.Fu = !1, \n        i;\n    }\n    return t.__extends(n, e), n.prototype.xu = function() {\n        if (this.Fu) throw new c(a.FAILED_PRECONDITION, "The client has already been terminated.");\n    }, \n    /** Gets an auth token and invokes the provided RPC. */ n.prototype.$u = function(t, e, n) {\n        var r = this;\n        return this.xu(), this.credentials.getToken().then((function(i) {\n            return r.iu.$u(t, e, n, i);\n        })).catch((function(t) {\n            throw t.code === a.UNAUTHENTICATED && r.credentials.zc(), t;\n        }));\n    }, \n    /** Gets an auth token and invokes the provided RPC with streamed results. */ n.prototype.ku = function(t, e, n) {\n        var r = this;\n        return this.xu(), this.credentials.getToken().then((function(i) {\n            return r.iu.ku(t, e, n, i);\n        })).catch((function(t) {\n            throw t.code === a.UNAUTHENTICATED && r.credentials.zc(), t;\n        }));\n    }, n.prototype.terminate = function() {\n        this.Fu = !1;\n    }, n;\n}((function() {})), qo = /** @class */ function() {\n    function t(t, e) {\n        this.cs = t, this.di = e, \n        /** The current OnlineState. */\n        this.state = "Unknown" /* Unknown */ , \n        /**\n             * A count of consecutive failures to open the stream. If it reaches the\n             * maximum defined by MAX_WATCH_STREAM_FAILURES, we\'ll set the OnlineState to\n             * Offline.\n             */\n        this.Mu = 0, \n        /**\n             * A timer that elapses after ONLINE_STATE_TIMEOUT_MS, at which point we\n             * transition from OnlineState.Unknown to OnlineState.Offline without waiting\n             * for the stream to actually fail (MAX_WATCH_STREAM_FAILURES times).\n             */\n        this.Ou = null, \n        /**\n             * Whether the client should log a warning message if it fails to connect to\n             * the backend (initially true, cleared after a successful stream, or if we\'ve\n             * logged the message already).\n             */\n        this.Lu = !0\n        /**\n     * Called by RemoteStore when a watch stream is started (including on each\n     * backoff attempt).\n     *\n     * If this is the first attempt, it sets the OnlineState to Unknown and starts\n     * the onlineStateTimer.\n     */;\n    }\n    return t.prototype.Bu = function() {\n        var t = this;\n        0 === this.Mu && (this.qu("Unknown" /* Unknown */), this.Ou = this.cs.yn("online_state_timeout" /* OnlineStateTimeout */ , 1e4, (function() {\n            return t.Ou = null, t.Uu("Backend didn\'t respond within 10 seconds."), t.qu("Offline" /* Offline */), \n            Promise.resolve();\n        })));\n    }, \n    /**\n     * Updates our OnlineState as appropriate after the watch stream reports a\n     * failure. The first failure moves us to the \'Unknown\' state. We then may\n     * allow multiple failures (based on MAX_WATCH_STREAM_FAILURES) before we\n     * actually transition to the \'Offline\' state.\n     */\n    t.prototype.Qu = function(t) {\n        "Online" /* Online */ === this.state ? this.qu("Unknown" /* Unknown */) : (this.Mu++, \n        this.Mu >= 1 && (this.Wu(), this.Uu("Connection failed 1 times. Most recent error: " + t.toString()), \n        this.qu("Offline" /* Offline */)));\n    }, \n    /**\n     * Explicitly sets the OnlineState to the specified state.\n     *\n     * Note that this resets our timers / failure counters, etc. used by our\n     * Offline heuristics, so must not be used in place of\n     * handleWatchStreamStart() and handleWatchStreamFailure().\n     */\n    t.prototype.set = function(t) {\n        this.Wu(), this.Mu = 0, "Online" /* Online */ === t && (\n        // We\'ve connected to watch at least once. Don\'t warn the developer\n        // about being offline going forward.\n        this.Lu = !1), this.qu(t);\n    }, t.prototype.qu = function(t) {\n        t !== this.state && (this.state = t, this.di(t));\n    }, t.prototype.Uu = function(t) {\n        var e = "Could not reach Cloud Firestore backend. " + t + "\\nThis typically indicates that your device does not have a healthy Internet connection at the moment. The client will operate in offline mode until it is able to successfully connect to the backend.";\n        this.Lu ? (p(e), this.Lu = !1) : l("OnlineStateTracker", e);\n    }, t.prototype.Wu = function() {\n        null !== this.Ou && (this.Ou.cancel(), this.Ou = null);\n    }, t;\n}(), jo = function(\n/**\n     * The local store, used to fill the write pipeline with outbound mutations.\n     */\ne, \n/** The client-side proxy for interacting with the backend. */\nn, r, i, o) {\n    var s = this;\n    this.ju = e, this.Ku = n, this.cs = r, this.Gu = {}, \n    /**\n             * A list of up to MAX_PENDING_WRITES writes that we have fetched from the\n             * LocalStore via fillWritePipeline() and have or will send to the write\n             * stream.\n             *\n             * Whenever writePipeline.length > 0 the RemoteStore will attempt to start or\n             * restart the write stream. When the stream is established the writes in the\n             * pipeline will be sent in order.\n             *\n             * Writes remain in writePipeline until they are acknowledged by the backend\n             * and thus will automatically be re-sent if the stream is interrupted /\n             * restarted before they\'re acknowledged.\n             *\n             * Write responses from the backend are linked to their originating request\n             * purely based on order, and so we can just shift() writes from the front of\n             * the writePipeline as we receive responses.\n             */\n    this.zu = [], \n    /**\n             * A mapping of watched targets that the client cares about tracking and the\n             * user has explicitly called a \'listen\' for this target.\n             *\n             * These targets may or may not have been sent to or acknowledged by the\n             * server. On re-establishing the listen stream, these targets should be sent\n             * to the server. The targets removed with unlistens are removed eagerly\n             * without waiting for confirmation from the listen stream.\n             */\n    this.Hu = new Map, \n    /**\n             * A set of reasons for why the RemoteStore may be offline. If empty, the\n             * RemoteStore may start its network connections.\n             */\n    this.Yu = new Set, \n    /**\n             * Event handlers that get called when the network is disabled or enabled.\n             *\n             * PORTING NOTE: These functions are used on the Web client to create the\n             * underlying streams (to support tree-shakeable streams). On Android and iOS,\n             * the streams are created during construction of RemoteStore.\n             */\n    this.Ju = [], this.Xu = o, this.Xu.Zu((function(e) {\n        r.ws((function() {\n            return t.__awaiter(s, void 0, void 0, (function() {\n                return t.__generator(this, (function(e) {\n                    switch (e.label) {\n                      case 0:\n                        return Xo(this) ? (l("RemoteStore", "Restarting streams for network reachability change."), \n                        [ 4 /*yield*/ , function(e) {\n                            return t.__awaiter(this, void 0, void 0, (function() {\n                                var n;\n                                return t.__generator(this, (function(t) {\n                                    switch (t.label) {\n                                      case 0:\n                                        return (n = m(e)).Yu.add(4 /* ConnectivityChange */), [ 4 /*yield*/ , zo(n) ];\n\n                                      case 1:\n                                        return t.sent(), n.th.set("Unknown" /* Unknown */), n.Yu.delete(4 /* ConnectivityChange */), \n                                        [ 4 /*yield*/ , Go(n) ];\n\n                                      case 2:\n                                        return t.sent(), [ 2 /*return*/ ];\n                                    }\n                                }));\n                            }));\n                        }(this) ]) : [ 3 /*break*/ , 2 ];\n\n                      case 1:\n                        e.sent(), e.label = 2;\n\n                      case 2:\n                        return [ 2 /*return*/ ];\n                    }\n                }));\n            }));\n        }));\n    })), this.th = new qo(r, i);\n};\n\nfunction Go(e) {\n    return t.__awaiter(this, void 0, void 0, (function() {\n        var n, r;\n        return t.__generator(this, (function(t) {\n            switch (t.label) {\n              case 0:\n                if (!Xo(e)) return [ 3 /*break*/ , 4 ];\n                n = 0, r = e.Ju, t.label = 1;\n\n              case 1:\n                return n < r.length ? [ 4 /*yield*/ , (0, r[n])(/* enabled= */ !0) ] : [ 3 /*break*/ , 4 ];\n\n              case 2:\n                t.sent(), t.label = 3;\n\n              case 3:\n                return n++, [ 3 /*break*/ , 1 ];\n\n              case 4:\n                return [ 2 /*return*/ ];\n            }\n        }));\n    }));\n}\n\n/**\n * Temporarily disables the network. The network can be re-enabled using\n * enableNetwork().\n */ function zo(e) {\n    return t.__awaiter(this, void 0, void 0, (function() {\n        var n, r;\n        return t.__generator(this, (function(t) {\n            switch (t.label) {\n              case 0:\n                n = 0, r = e.Ju, t.label = 1;\n\n              case 1:\n                return n < r.length ? [ 4 /*yield*/ , (0, r[n])(/* enabled= */ !1) ] : [ 3 /*break*/ , 4 ];\n\n              case 2:\n                t.sent(), t.label = 3;\n\n              case 3:\n                return n++, [ 3 /*break*/ , 1 ];\n\n              case 4:\n                return [ 2 /*return*/ ];\n            }\n        }));\n    }));\n}\n\nfunction Bo(e) {\n    return t.__awaiter(this, void 0, void 0, (function() {\n        var n;\n        return t.__generator(this, (function(t) {\n            switch (t.label) {\n              case 0:\n                return n = m(e), l("RemoteStore", "RemoteStore shutting down."), n.Yu.add(5 /* Shutdown */), \n                [ 4 /*yield*/ , zo(n) ];\n\n              case 1:\n                return t.sent(), n.Xu.Di(), \n                // Set the OnlineState to Unknown (rather than Offline) to avoid potentially\n                // triggering spurious listener events with cached data, etc.\n                n.th.set("Unknown" /* Unknown */), [ 2 /*return*/ ];\n            }\n        }));\n    }));\n}\n\n/**\n * Starts new listen for the given target. Uses resume token if provided. It\n * is a no-op if the target of given `TargetData` is already being listened to.\n */ function Wo(t, e) {\n    var n = m(t);\n    n.Hu.has(e.targetId) || (\n    // Mark this as something the client is currently listening for.\n    n.Hu.set(e.targetId, e), $o(n) ? \n    // The listen will be sent in onWatchStreamOpen\n    Yo(n) : ls(n).uu() && Qo(n, e));\n}\n\n/**\n * Removes the listen from server. It is a no-op if the given target id is\n * not being listened to.\n */ function Ko(t, e) {\n    var n = m(t), r = ls(n);\n    n.Hu.delete(e), r.uu() && Ho(n, e), 0 === n.Hu.size && (r.uu() ? r._u() : Xo(n) && \n    // Revert to OnlineState.Unknown if the watch stream is not open and we\n    // have no listeners, since without any listens to send we cannot\n    // confirm if the stream is healthy and upgrade to OnlineState.Online.\n    n.th.set("Unknown" /* Unknown */));\n}\n\n/**\n * We need to increment the the expected number of pending responses we\'re due\n * from watch so we wait for the ack to process any messages from this target.\n */ function Qo(t, e) {\n    t.eh.Ie(e.targetId), ls(t).Vu(e)\n    /**\n * We need to increment the expected number of pending responses we\'re due\n * from watch so we wait for the removal on the server before we process any\n * messages from this target.\n */;\n}\n\nfunction Ho(t, e) {\n    t.eh.Ie(e), ls(t).pu(e);\n}\n\nfunction Yo(t) {\n    t.eh = new Wt({\n        qe: function(e) {\n            return t.Gu.qe(e);\n        },\n        Ue: function(e) {\n            return t.Hu.get(e) || null;\n        }\n    }), ls(t).start(), t.th.Bu()\n    /**\n * Returns whether the watch stream should be started because it\'s necessary\n * and has not yet been started.\n */;\n}\n\nfunction $o(t) {\n    return Xo(t) && !ls(t).cu() && t.Hu.size > 0;\n}\n\nfunction Xo(t) {\n    return 0 === m(t).Yu.size;\n}\n\nfunction Jo(t) {\n    t.eh = void 0;\n}\n\nfunction Zo(e) {\n    return t.__awaiter(this, void 0, void 0, (function() {\n        return t.__generator(this, (function(t) {\n            return e.Hu.forEach((function(t, n) {\n                Qo(e, t);\n            })), [ 2 /*return*/ ];\n        }));\n    }));\n}\n\nfunction ts(e, n) {\n    return t.__awaiter(this, void 0, void 0, (function() {\n        return t.__generator(this, (function(t) {\n            return Jo(e), \n            // If we still need the watch stream, retry the connection.\n            $o(e) ? (e.th.Qu(n), Yo(e)) : \n            // No need to restart watch stream because there are no active targets.\n            // The online state is set to unknown because there is no active attempt\n            // at establishing a connection\n            e.th.set("Unknown" /* Unknown */), [ 2 /*return*/ ];\n        }));\n    }));\n}\n\nfunction es(e, n, r) {\n    return t.__awaiter(this, void 0, void 0, (function() {\n        var i, o, s;\n        return t.__generator(this, (function(u) {\n            switch (u.label) {\n              case 0:\n                if (e.th.set("Online" /* Online */), !(n instanceof zt && 2 /* Removed */ === n.state && n.cause)) \n                // Mark the client as online since we got a message from the server\n                return [ 3 /*break*/ , 6 ];\n                u.label = 1;\n\n              case 1:\n                return u.trys.push([ 1, 3, , 5 ]), [ 4 /*yield*/ , \n                /** Handles an error on a target */\n                function(e, n) {\n                    return t.__awaiter(this, void 0, void 0, (function() {\n                        var r, i, o, s;\n                        return t.__generator(this, (function(t) {\n                            switch (t.label) {\n                              case 0:\n                                r = n.cause, i = 0, o = n.targetIds, t.label = 1;\n\n                              case 1:\n                                return i < o.length ? (s = o[i], e.Hu.has(s) ? [ 4 /*yield*/ , e.Gu.nh(s, r) ] : [ 3 /*break*/ , 3 ]) : [ 3 /*break*/ , 5 ];\n\n                              case 2:\n                                t.sent(), e.Hu.delete(s), e.eh.removeTarget(s), t.label = 3;\n\n                              case 3:\n                                t.label = 4;\n\n                              case 4:\n                                return i++, [ 3 /*break*/ , 1 ];\n\n                              case 5:\n                                return [ 2 /*return*/ ];\n                            }\n                        }));\n                    }));\n                }(e, n) ];\n\n              case 2:\n                return u.sent(), [ 3 /*break*/ , 5 ];\n\n              case 3:\n                return i = u.sent(), l("RemoteStore", "Failed to remove targets %s: %s ", n.targetIds.join(","), i), \n                [ 4 /*yield*/ , ns(e, i) ];\n\n              case 4:\n                return u.sent(), [ 3 /*break*/ , 5 ];\n\n              case 5:\n                return [ 3 /*break*/ , 13 ];\n\n              case 6:\n                if (n instanceof jt ? e.eh.be(n) : n instanceof Gt ? e.eh.$e(n) : e.eh.De(n), r.isEqual(st.min())) return [ 3 /*break*/ , 13 ];\n                u.label = 7;\n\n              case 7:\n                return u.trys.push([ 7, 11, , 13 ]), [ 4 /*yield*/ , wo(e.ju) ];\n\n              case 8:\n                return o = u.sent(), r.L(o) >= 0 ? [ 4 /*yield*/ , \n                /**\n                 * Takes a batch of changes from the Datastore, repackages them as a\n                 * RemoteEvent, and passes that on to the listener, which is typically the\n                 * SyncEngine.\n                 */\n                function(t, e) {\n                    var n = t.eh.Oe(e);\n                    // Update in-memory resume tokens. LocalStore will update the\n                    // persistent view of these when applying the completed RemoteEvent.\n                                        return n.zt.forEach((function(n, r) {\n                        if (n.resumeToken.O() > 0) {\n                            var i = t.Hu.get(r);\n                            // A watched target might have been removed already.\n                                                        i && t.Hu.set(r, i.it(n.resumeToken, e));\n                        }\n                    })), \n                    // Re-establish listens for the targets that have been invalidated by\n                    // existence filter mismatches.\n                    n.Ht.forEach((function(e) {\n                        var n = t.Hu.get(e);\n                        if (n) {\n                            // Clear the resume token for the target, since we\'re in a known mismatch\n                            // state.\n                            t.Hu.set(e, n.it(X.B, n.nt)), \n                            // Cause a hard reset by unwatching and rewatching immediately, but\n                            // deliberately don\'t send a resume token so that we get a full update.\n                            Ho(t, e);\n                            // Mark the target we send as being on behalf of an existence filter\n                            // mismatch, but don\'t actually retain that in listenTargets. This ensures\n                            // that we flag the first re-listen this way without impacting future\n                            // listens of this target (that might happen e.g. on reconnect).\n                            var r = new gt(n.target, e, 1 /* ExistenceFilterMismatch */ , n.sequenceNumber);\n                            Qo(t, r);\n                        }\n                    })), t.Gu.sh(n);\n                }(e, r) ] : [ 3 /*break*/ , 10 ];\n\n                // We have received a target change with a global snapshot if the snapshot\n                // version is not equal to SnapshotVersion.min().\n                              case 9:\n                // We have received a target change with a global snapshot if the snapshot\n                // version is not equal to SnapshotVersion.min().\n                u.sent(), u.label = 10;\n\n              case 10:\n                return [ 3 /*break*/ , 13 ];\n\n              case 11:\n                return l("RemoteStore", "Failed to raise snapshot:", s = u.sent()), [ 4 /*yield*/ , ns(e, s) ];\n\n              case 12:\n                return u.sent(), [ 3 /*break*/ , 13 ];\n\n              case 13:\n                return [ 2 /*return*/ ];\n            }\n        }));\n    }));\n}\n\n/**\n * Recovery logic for IndexedDB errors that takes the network offline until\n * `op` succeeds. Retries are scheduled with backoff using\n * `enqueueRetryable()`. If `op()` is not provided, IndexedDB access is\n * validated via a generic operation.\n *\n * The returned Promise is resolved once the network is disabled and before\n * any retry attempt.\n */ function ns(e, n, r) {\n    return t.__awaiter(this, void 0, void 0, (function() {\n        var i = this;\n        return t.__generator(this, (function(o) {\n            switch (o.label) {\n              case 0:\n                if (!_r(n)) throw n;\n                // Disable network and raise offline snapshots\n                return e.Yu.add(1 /* IndexedDbFailed */), [ 4 /*yield*/ , zo(e) ];\n\n              case 1:\n                // Disable network and raise offline snapshots\n                return o.sent(), e.th.set("Offline" /* Offline */), r || (\n                // Use a simple read operation to determine if IndexedDB recovered.\n                // Ideally, we would expose a health check directly on SimpleDb, but\n                // RemoteStore only has access to persistence through LocalStore.\n                r = function() {\n                    return wo(e.ju);\n                }), \n                // Probe IndexedDB periodically and re-enable network\n                e.cs.Cs((function() {\n                    return t.__awaiter(i, void 0, void 0, (function() {\n                        return t.__generator(this, (function(t) {\n                            switch (t.label) {\n                              case 0:\n                                return l("RemoteStore", "Retrying IndexedDB access"), [ 4 /*yield*/ , r() ];\n\n                              case 1:\n                                return t.sent(), e.Yu.delete(1 /* IndexedDbFailed */), [ 4 /*yield*/ , Go(e) ];\n\n                              case 2:\n                                return t.sent(), [ 2 /*return*/ ];\n                            }\n                        }));\n                    }));\n                })), [ 2 /*return*/ ];\n            }\n        }));\n    }));\n}\n\n/**\n * Executes `op`. If `op` fails, takes the network offline until `op`\n * succeeds. Returns after the first attempt.\n */ function rs(t, e) {\n    return e().catch((function(n) {\n        return ns(t, n, e);\n    }));\n}\n\nfunction is(e) {\n    return t.__awaiter(this, void 0, void 0, (function() {\n        var n, r, i, o, s;\n        return t.__generator(this, (function(t) {\n            switch (t.label) {\n              case 0:\n                n = m(e), r = ps(n), i = n.zu.length > 0 ? n.zu[n.zu.length - 1].batchId : -1, t.label = 1;\n\n              case 1:\n                if (!\n                /**\n * Returns true if we can add to the write pipeline (i.e. the network is\n * enabled and the write pipeline is not full).\n */\n                function(t) {\n                    return Xo(t) && t.zu.length < 10;\n                }\n                /**\n * Queues additional writes to be sent to the write stream, sending them\n * immediately if the write stream is established.\n */ (n)) return [ 3 /*break*/ , 7 ];\n                t.label = 2;\n\n              case 2:\n                return t.trys.push([ 2, 4, , 6 ]), [ 4 /*yield*/ , bo(n.ju, i) ];\n\n              case 3:\n                return null === (o = t.sent()) ? (0 === n.zu.length && r._u(), [ 3 /*break*/ , 7 ]) : (i = o.batchId, \n                function(t, e) {\n                    t.zu.push(e);\n                    var n = ps(t);\n                    n.uu() && n.vu && n.Su(e.mutations);\n                }(n, o), [ 3 /*break*/ , 6 ]);\n\n              case 4:\n                return s = t.sent(), [ 4 /*yield*/ , ns(n, s) ];\n\n              case 5:\n                return t.sent(), [ 3 /*break*/ , 6 ];\n\n              case 6:\n                return [ 3 /*break*/ , 1 ];\n\n              case 7:\n                return os(n) && ss(n), [ 2 /*return*/ ];\n            }\n        }));\n    }));\n}\n\nfunction os(t) {\n    return Xo(t) && !ps(t).cu() && t.zu.length > 0;\n}\n\nfunction ss(t) {\n    ps(t).start();\n}\n\nfunction us(e) {\n    return t.__awaiter(this, void 0, void 0, (function() {\n        return t.__generator(this, (function(t) {\n            return ps(e).Nu(), [ 2 /*return*/ ];\n        }));\n    }));\n}\n\nfunction as(e) {\n    return t.__awaiter(this, void 0, void 0, (function() {\n        var n, r, i, o;\n        return t.__generator(this, (function(t) {\n            // Send the write pipeline now that the stream is established.\n            for (n = ps(e), r = 0, i = e.zu; r < i.length; r++) o = i[r], n.Su(o.mutations);\n            return [ 2 /*return*/ ];\n        }));\n    }));\n}\n\nfunction cs(e, n, r) {\n    return t.__awaiter(this, void 0, void 0, (function() {\n        var i, o;\n        return t.__generator(this, (function(t) {\n            switch (t.label) {\n              case 0:\n                return i = e.zu.shift(), o = Jr.from(i, n, r), [ 4 /*yield*/ , rs(e, (function() {\n                    return e.Gu.ih(o);\n                })) ];\n\n              case 1:\n                // It\'s possible that with the completion of this mutation another\n                // slot has freed up.\n                return t.sent(), [ 4 /*yield*/ , is(e) ];\n\n              case 2:\n                // It\'s possible that with the completion of this mutation another\n                // slot has freed up.\n                return t.sent(), [ 2 /*return*/ ];\n            }\n        }));\n    }));\n}\n\nfunction hs(e, n) {\n    return t.__awaiter(this, void 0, void 0, (function() {\n        return t.__generator(this, (function(r) {\n            switch (r.label) {\n              case 0:\n                return n && ps(e).vu ? [ 4 /*yield*/ , function(e, n) {\n                    return t.__awaiter(this, void 0, void 0, (function() {\n                        var r, i;\n                        return t.__generator(this, (function(t) {\n                            switch (t.label) {\n                              case 0:\n                                return wt(i = n.code) && i !== a.ABORTED ? (r = e.zu.shift(), \n                                // In this case it\'s also unlikely that the server itself is melting\n                                // down -- this was just a bad request so inhibit backoff on the next\n                                // restart.\n                                ps(e).lu(), [ 4 /*yield*/ , rs(e, (function() {\n                                    return e.Gu.rh(r.batchId, n);\n                                })) ]) : [ 3 /*break*/ , 3 ];\n\n                              case 1:\n                                // It\'s possible that with the completion of this mutation\n                                // another slot has freed up.\n                                return t.sent(), [ 4 /*yield*/ , is(e) ];\n\n                              case 2:\n                                // In this case it\'s also unlikely that the server itself is melting\n                                // down -- this was just a bad request so inhibit backoff on the next\n                                // restart.\n                                // It\'s possible that with the completion of this mutation\n                                // another slot has freed up.\n                                t.sent(), t.label = 3;\n\n                              case 3:\n                                return [ 2 /*return*/ ];\n                            }\n                        }));\n                    }));\n                }(e, n) ] : [ 3 /*break*/ , 2 ];\n\n                // This error affects the actual write.\n                              case 1:\n                // This error affects the actual write.\n                r.sent(), r.label = 2;\n\n              case 2:\n                // If the write stream closed after the write handshake completes, a write\n                // operation failed and we fail the pending operation.\n                // The write stream might have been started by refilling the write\n                // pipeline for failed writes\n                return os(e) && ss(e), [ 2 /*return*/ ];\n            }\n        }));\n    }));\n}\n\n/**\n * Toggles the network state when the client gains or loses its primary lease.\n */ function fs(e, n) {\n    return t.__awaiter(this, void 0, void 0, (function() {\n        var r, i;\n        return t.__generator(this, (function(t) {\n            switch (t.label) {\n              case 0:\n                return r = m(e), n ? (r.Yu.delete(2 /* IsSecondary */), [ 4 /*yield*/ , Go(r) ]) : [ 3 /*break*/ , 2 ];\n\n              case 1:\n                return t.sent(), [ 3 /*break*/ , 5 ];\n\n              case 2:\n                return (i = n) ? [ 3 /*break*/ , 4 ] : (r.Yu.add(2 /* IsSecondary */), [ 4 /*yield*/ , zo(r) ]);\n\n              case 3:\n                t.sent(), i = r.th.set("Unknown" /* Unknown */), t.label = 4;\n\n              case 4:\n                i, t.label = 5;\n\n              case 5:\n                return [ 2 /*return*/ ];\n            }\n        }));\n    }));\n}\n\n/**\n * If not yet initialized, registers the WatchStream and its network state\n * callback with `remoteStoreImpl`. Returns the existing stream if one is\n * already available.\n *\n * PORTING NOTE: On iOS and Android, the WatchStream gets registered on startup.\n * This is not done on Web to allow it to be tree-shaken.\n */ function ls(e) {\n    var n = this;\n    return e.oh || (\n    // Create stream (but note that it is not started yet).\n    e.oh = function(t, e, n) {\n        var r = m(t);\n        return r.xu(), new Co(e, r.iu, r.credentials, r.serializer, n);\n    }(e.Ku, e.cs, {\n        gu: Zo.bind(null, e),\n        Tu: ts.bind(null, e),\n        yu: es.bind(null, e)\n    }), e.Ju.push((function(r) {\n        return t.__awaiter(n, void 0, void 0, (function() {\n            return t.__generator(this, (function(t) {\n                switch (t.label) {\n                  case 0:\n                    return r ? (e.oh.lu(), $o(e) ? Yo(e) : e.th.set("Unknown" /* Unknown */), [ 3 /*break*/ , 3 ]) : [ 3 /*break*/ , 1 ];\n\n                  case 1:\n                    return [ 4 /*yield*/ , e.oh.stop() ];\n\n                  case 2:\n                    t.sent(), Jo(e), t.label = 3;\n\n                  case 3:\n                    return [ 2 /*return*/ ];\n                }\n            }));\n        }));\n    }))), e.oh\n    /**\n * If not yet initialized, registers the WriteStream and its network state\n * callback with `remoteStoreImpl`. Returns the existing stream if one is\n * already available.\n *\n * PORTING NOTE: On iOS and Android, the WriteStream gets registered on startup.\n * This is not done on Web to allow it to be tree-shaken.\n */;\n}\n\nfunction ps(e) {\n    var n = this;\n    return e.ah || (\n    // Create stream (but note that it is not started yet).\n    e.ah = function(t, e, n) {\n        var r = m(t);\n        return r.xu(), new Fo(e, r.iu, r.credentials, r.serializer, n);\n    }(e.Ku, e.cs, {\n        gu: us.bind(null, e),\n        Tu: hs.bind(null, e),\n        Cu: as.bind(null, e),\n        Du: cs.bind(null, e)\n    }), e.Ju.push((function(r) {\n        return t.__awaiter(n, void 0, void 0, (function() {\n            return t.__generator(this, (function(t) {\n                switch (t.label) {\n                  case 0:\n                    return r ? (e.ah.lu(), [ 4 /*yield*/ , is(e) ]) : [ 3 /*break*/ , 2 ];\n\n                  case 1:\n                    // This will start the write stream if necessary.\n                    return t.sent(), [ 3 /*break*/ , 4 ];\n\n                  case 2:\n                    return [ 4 /*yield*/ , e.ah.stop() ];\n\n                  case 3:\n                    t.sent(), e.zu.length > 0 && (l("RemoteStore", "Stopping write stream with " + e.zu.length + " pending writes"), \n                    e.zu = []), t.label = 4;\n\n                  case 4:\n                    return [ 2 /*return*/ ];\n                }\n            }));\n        }));\n    }))), e.ah\n    /**\n * @license\n * Copyright 2017 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the "License");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an "AS IS" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */;\n}\n\nvar ds = function(t) {\n    this.key = t;\n}, vs = function(t) {\n    this.key = t;\n}, ys = /** @class */ function() {\n    function t(t, \n    /** Documents included in the remote target */\n    e) {\n        this.query = t, this.uh = e, this.hh = null, \n        /**\n             * A flag whether the view is current with the backend. A view is considered\n             * current after it has seen the current flag from the backend and did not\n             * lose consistency within the watch stream (e.g. because of an existence\n             * filter mismatch).\n             */\n        this.te = !1, \n        /** Documents in the view but not in the remote target */\n        this.lh = Ot(), \n        /** Document Keys that have local changes */\n        this.Wt = Ot(), this._h = Xn(t), this.fh = new Ut(this._h);\n    }\n    return Object.defineProperty(t.prototype, "dh", {\n        /**\n         * The set of remote documents that the server has told us belongs to the target associated with\n         * this view.\n         */\n        get: function() {\n            return this.uh;\n        },\n        enumerable: !1,\n        configurable: !0\n    }), \n    /**\n     * Iterates over a set of doc changes, applies the query limit, and computes\n     * what the new results should be, what the changes were, and whether we may\n     * need to go back to the local cache for more results. Does not make any\n     * changes to the view.\n     * @param docChanges The doc changes to apply to this view.\n     * @param previousChanges If this is being called with a refill, then start\n     *        with this set of docs and changes instead of the current view.\n     * @return a new set of docs, changes, and refill flag.\n     */\n    t.prototype.wh = function(t, e) {\n        var n = this, r = e ? e.mh : new Ct, i = e ? e.fh : this.fh, o = e ? e.Wt : this.Wt, s = i, u = !1, a = Cn(this.query) && i.size === this.query.limit ? i.last() : null, c = Fn(this.query) && i.size === this.query.limit ? i.first() : null;\n        // Drop documents out to meet limit/limitToLast requirement.\n        if (t.ht((function(t, e) {\n            var h = i.get(t), f = e instanceof kn ? e : null;\n            f && (f = $n(n.query, f) ? f : null);\n            var l = !!h && n.Wt.has(h.key), p = !!f && (f.Je || \n            // We only consider committed mutations for documents that were\n            // mutated during the lifetime of the view.\n            n.Wt.has(f.key) && f.hasCommittedMutations), d = !1;\n            // Calculate change\n            h && f ? h.data().isEqual(f.data()) ? l !== p && (r.track({\n                type: 3 /* Metadata */ ,\n                doc: f\n            }), d = !0) : n.Th(h, f) || (r.track({\n                type: 2 /* Modified */ ,\n                doc: f\n            }), d = !0, (a && n._h(f, a) > 0 || c && n._h(f, c) < 0) && (\n            // This doc moved from inside the limit to outside the limit.\n            // That means there may be some other doc in the local cache\n            // that should be included instead.\n            u = !0)) : !h && f ? (r.track({\n                type: 0 /* Added */ ,\n                doc: f\n            }), d = !0) : h && !f && (r.track({\n                type: 1 /* Removed */ ,\n                doc: h\n            }), d = !0, (a || c) && (\n            // A doc was removed from a full limit query. We\'ll need to\n            // requery from the local cache to see if we know about some other\n            // doc that should be in the results.\n            u = !0)), d && (f ? (s = s.add(f), o = p ? o.add(t) : o.delete(t)) : (s = s.delete(t), \n            o = o.delete(t)));\n        })), Cn(this.query) || Fn(this.query)) for (;s.size > this.query.limit; ) {\n            var h = Cn(this.query) ? s.last() : s.first();\n            s = s.delete(h.key), o = o.delete(h.key), r.track({\n                type: 1 /* Removed */ ,\n                doc: h\n            });\n        }\n        return {\n            fh: s,\n            mh: r,\n            Eh: u,\n            Wt: o\n        };\n    }, t.prototype.Th = function(t, e) {\n        // We suppress the initial change event for documents that were modified as\n        // part of a write acknowledgment (e.g. when the value of a server transform\n        // is applied) as Watch will send us the same document again.\n        // By suppressing the event, we only raise two user visible events (one with\n        // `hasPendingWrites` and the final state of the document) instead of three\n        // (one with `hasPendingWrites`, the modified document with\n        // `hasPendingWrites` and the final state of the document).\n        return t.Je && e.hasCommittedMutations && !e.Je;\n    }, \n    /**\n     * Updates the view with the given ViewDocumentChanges and optionally updates\n     * limbo docs and sync state from the provided target change.\n     * @param docChanges The set of changes to make to the view\'s docs.\n     * @param updateLimboDocuments Whether to update limbo documents based on this\n     *        change.\n     * @param targetChange A target change to apply for computing limbo docs and\n     *        sync state.\n     * @return A new ViewChange with the given docs, changes, and sync state.\n     */\n    // PORTING NOTE: The iOS/Android clients always compute limbo document changes.\n    t.prototype.yr = function(t, e, n) {\n        var r = this, i = this.fh;\n        this.fh = t.fh, this.Wt = t.Wt;\n        // Sort changes based on type and query comparator\n        var o = t.mh.Ut();\n        o.sort((function(t, e) {\n            return function(t, e) {\n                var n = function(t) {\n                    switch (t) {\n                      case 0 /* Added */ :\n                        return 1;\n\n                      case 2 /* Modified */ :\n                      case 3 /* Metadata */ :\n                        // A metadata change is converted to a modified change at the public\n                        // api layer.  Since we sort by document key and then change type,\n                        // metadata and modified changes must be sorted equivalently.\n                        return 2;\n\n                      case 1 /* Removed */ :\n                        return 0;\n\n                      default:\n                        return y();\n                    }\n                };\n                return n(t) - n(e);\n            }(t.type, e.type) || r._h(t.doc, e.doc);\n        })), this.Ih(n);\n        var s = e ? this.Ah() : [], u = 0 === this.lh.size && this.te ? 1 /* Synced */ : 0 /* Local */ , a = u !== this.hh;\n        return this.hh = u, 0 !== o.length || a ? {\n            snapshot: new Ft(this.query, t.fh, i, o, t.Wt, 0 /* Local */ === u, a, \n            /* excludesMetadataChanges= */ !1),\n            Rh: s\n        } : {\n            Rh: s\n        };\n        // no changes\n        }, \n    /**\n     * Applies an OnlineState change to the view, potentially generating a\n     * ViewChange if the view\'s syncState changes as a result.\n     */\n    t.prototype.Qs = function(t) {\n        return this.te && "Offline" /* Offline */ === t ? (\n        // If we\'re offline, set `current` to false and then call applyChanges()\n        // to refresh our syncState and generate a ViewChange as appropriate. We\n        // are guaranteed to get a new TargetChange that sets `current` back to\n        // true once the client is back online.\n        this.te = !1, this.yr({\n            fh: this.fh,\n            mh: new Ct,\n            Wt: this.Wt,\n            Eh: !1\n        }, \n        /* updateLimboDocuments= */ !1)) : {\n            Rh: []\n        };\n    }, \n    /**\n     * Returns whether the doc for the given key should be in limbo.\n     */\n    t.prototype.gh = function(t) {\n        // If the remote end says it\'s part of this query, it\'s not in limbo.\n        return !this.uh.has(t) && \n        // The local store doesn\'t think it\'s a result, so it shouldn\'t be in limbo.\n        !!this.fh.has(t) && !this.fh.get(t).Je;\n    }, \n    /**\n     * Updates syncedDocuments, current, and limbo docs based on the given change.\n     * Returns the list of changes to which docs are in limbo.\n     */\n    t.prototype.Ih = function(t) {\n        var e = this;\n        t && (t.ee.forEach((function(t) {\n            return e.uh = e.uh.add(t);\n        })), t.ne.forEach((function(t) {})), t.se.forEach((function(t) {\n            return e.uh = e.uh.delete(t);\n        })), this.te = t.te);\n    }, t.prototype.Ah = function() {\n        var t = this;\n        // We can only determine limbo documents when we\'re in-sync with the server.\n                if (!this.te) return [];\n        // TODO(klimt): Do this incrementally so that it\'s not quadratic when\n        // updating many documents.\n                var e = this.lh;\n        this.lh = Ot(), this.fh.forEach((function(e) {\n            t.gh(e.key) && (t.lh = t.lh.add(e.key));\n        }));\n        // Diff the new limbo docs with the old limbo docs.\n        var n = [];\n        return e.forEach((function(e) {\n            t.lh.has(e) || n.push(new vs(e));\n        })), this.lh.forEach((function(t) {\n            e.has(t) || n.push(new ds(t));\n        })), n;\n    }, \n    /**\n     * Update the in-memory state of the current view with the state read from\n     * persistence.\n     *\n     * We update the query view whenever a client\'s primary status changes:\n     * - When a client transitions from primary to secondary, it can miss\n     *   LocalStorage updates and its query views may temporarily not be\n     *   synchronized with the state on disk.\n     * - For secondary to primary transitions, the client needs to update the list\n     *   of `syncedDocuments` since secondary clients update their query views\n     *   based purely on synthesized RemoteEvents.\n     *\n     * @param queryResult.documents - The documents that match the query according\n     * to the LocalStore.\n     * @param queryResult.remoteKeys - The keys of the documents that match the\n     * query according to the backend.\n     *\n     * @return The ViewChange that resulted from this synchronization.\n     */\n    // PORTING NOTE: Multi-tab only.\n    t.prototype.Ph = function(t) {\n        this.uh = t.Fc, this.lh = Ot();\n        var e = this.wh(t.documents);\n        return this.yr(e, /*updateLimboDocuments=*/ !0);\n    }, \n    /**\n     * Returns a view snapshot as if this query was just listened to. Contains\n     * a document add for every existing document and the `fromCache` and\n     * `hasPendingWrites` status of the already established view.\n     */\n    // PORTING NOTE: Multi-tab only.\n    t.prototype.yh = function() {\n        return Ft.Gt(this.query, this.fh, this.Wt, 0 /* Local */ === this.hh);\n    }, t;\n}(), gs = function(\n/**\n     * The query itself.\n     */\nt, \n/**\n     * The target number created by the client that is used in the watch\n     * stream to identify this query.\n     */\ne, \n/**\n     * The view is responsible for computing the final merged truth of what\n     * docs are in the query. It gets notified of local and remote changes,\n     * and applies the query filters and limits to determine the most correct\n     * possible results.\n     */\nn) {\n    this.query = t, this.targetId = e, this.view = n;\n}, ms = function(t) {\n    this.key = t, \n    /**\n             * Set to true once we\'ve received a document. This is used in\n             * getRemoteKeysForTarget() and ultimately used by WatchChangeAggregator to\n             * decide whether it needs to manufacture a delete event for the target once\n             * the target is CURRENT.\n             */\n    this.Vh = !1;\n}, ws = /** @class */ function() {\n    function t(t, e, n, \n    // PORTING NOTE: Manages state synchronization in multi-tab environments.\n    r, i, o) {\n        this.ju = t, this.ph = e, this.bh = n, this.Sh = r, this.currentUser = i, this.Dh = o, \n        this.Ch = {}, this.Nh = new it((function(t) {\n            return Hn(t);\n        }), Qn), this.Fh = new Map, \n        /**\n             * The keys of documents that are in limbo for which we haven\'t yet started a\n             * limbo resolution query.\n             */\n        this.xh = [], \n        /**\n             * Keeps track of the target ID for each document that is in limbo with an\n             * active target.\n             */\n        this.$h = new bt(A.i), \n        /**\n             * Keeps track of the information about an active limbo resolution for each\n             * active target ID that was started for the purpose of limbo resolution.\n             */\n        this.kh = new Map, this.Mh = new xo, \n        /** Stores user completion handlers, indexed by User and BatchId. */\n        this.Oh = {}, \n        /** Stores user callbacks waiting for all pending writes to be acknowledged. */\n        this.Lh = new Map, this.Bh = ro.da(), this.onlineState = "Unknown" /* Unknown */ , \n        // The primary state is set to `true` or `false` immediately after Firestore\n        // startup. In the interim, a client should only be considered primary if\n        // `isPrimary` is true.\n        this.qh = void 0;\n    }\n    return Object.defineProperty(t.prototype, "Uh", {\n        get: function() {\n            return !0 === this.qh;\n        },\n        enumerable: !1,\n        configurable: !0\n    }), t;\n}();\n\n/**\n * Initiates the new listen, resolves promise when listen enqueued to the\n * server. All the subsequent view snapshots or errors are sent to the\n * subscribed handlers. Returns the initial snapshot.\n */\nfunction _s(e, n) {\n    return t.__awaiter(this, void 0, void 0, (function() {\n        var r, i, o, s, u, a;\n        return t.__generator(this, (function(t) {\n            switch (t.label) {\n              case 0:\n                return r = Ks(e), (s = r.Nh.get(n)) ? (\n                // PORTING NOTE: With Multi-Tab Web, it is possible that a query view\n                // already exists when EventManager calls us for the first time. This\n                // happens when the primary tab is already listening to this query on\n                // behalf of another tab and the user of the primary also starts listening\n                // to the query. EventManager will not have an assigned target ID in this\n                // case and calls `listen` to obtain this ID.\n                i = s.targetId, r.Sh.Oi(i), o = s.view.yh(), [ 3 /*break*/ , 4 ]) : [ 3 /*break*/ , 1 ];\n\n              case 1:\n                return [ 4 /*yield*/ , Io(r.ju, zn(n)) ];\n\n              case 2:\n                return u = t.sent(), a = r.Sh.Oi(u.targetId), i = u.targetId, [ 4 /*yield*/ , bs(r, n, i, "current" === a) ];\n\n              case 3:\n                o = t.sent(), r.Uh && Wo(r.ph, u), t.label = 4;\n\n              case 4:\n                return [ 2 /*return*/ , o ];\n            }\n        }));\n    }));\n}\n\n/**\n * Registers a view for a previously unknown query and computes its initial\n * snapshot.\n */ function bs(e, n, r, i) {\n    return t.__awaiter(this, void 0, void 0, (function() {\n        var o, s, u, a, c, h;\n        return t.__generator(this, (function(f) {\n            switch (f.label) {\n              case 0:\n                // PORTING NOTE: On Web only, we inject the code that registers new Limbo\n                // targets based on view changes. This allows us to only depend on Limbo\n                // changes when user code includes queries.\n                return e.Qh = function(n, r, i) {\n                    return function(e, n, r, i) {\n                        return t.__awaiter(this, void 0, void 0, (function() {\n                            var o, s, u;\n                            return t.__generator(this, (function(t) {\n                                switch (t.label) {\n                                  case 0:\n                                    return o = n.view.wh(r), o.Eh ? [ 4 /*yield*/ , To(e.ju, n.query, \n                                    /* usePreviousResults= */ !1).then((function(t) {\n                                        var e = t.documents;\n                                        return n.view.wh(e, o);\n                                    })) ] : [ 3 /*break*/ , 2 ];\n\n                                  case 1:\n                                    // The query has a limit and some docs were removed, so we need\n                                    // to re-run the query against the local store to make sure we\n                                    // didn\'t lose any good docs that had been past the limit.\n                                    o = t.sent(), t.label = 2;\n\n                                  case 2:\n                                    return s = i && i.zt.get(n.targetId), u = n.view.yr(o, \n                                    /* updateLimboDocuments= */ e.Uh, s), [ 2 /*return*/ , (Rs(e, n.targetId, u.Rh), \n                                    u.snapshot) ];\n                                }\n                            }));\n                        }));\n                    }(e, n, r, i);\n                }, [ 4 /*yield*/ , To(e.ju, n, \n                /* usePreviousResults= */ !0) ];\n\n              case 1:\n                return o = f.sent(), s = new ys(n, o.Fc), u = s.wh(o.documents), a = qt.Zt(r, i && "Offline" /* Offline */ !== e.onlineState), \n                c = s.yr(u, \n                /* updateLimboDocuments= */ e.Uh, a), Rs(e, r, c.Rh), h = new gs(n, r, s), [ 2 /*return*/ , (e.Nh.set(n, h), \n                e.Fh.has(r) ? e.Fh.get(r).push(n) : e.Fh.set(r, [ n ]), c.snapshot) ];\n            }\n        }));\n    }));\n}\n\n/** Stops listening to the query. */ function Is(e, n) {\n    return t.__awaiter(this, void 0, void 0, (function() {\n        var r, i, o;\n        return t.__generator(this, (function(t) {\n            switch (t.label) {\n              case 0:\n                return r = m(e), i = r.Nh.get(n), (o = r.Fh.get(i.targetId)).length > 1 ? [ 2 /*return*/ , (r.Fh.set(i.targetId, o.filter((function(t) {\n                    return !Qn(t, n);\n                }))), void r.Nh.delete(n)) ] : r.Uh ? (\n                // We need to remove the local query target first to allow us to verify\n                // whether any other client is still interested in this target.\n                r.Sh.Bi(i.targetId), r.Sh.Fi(i.targetId) ? [ 3 /*break*/ , 2 ] : [ 4 /*yield*/ , Eo(r.ju, i.targetId, \n                /*keepPersistedTargetData=*/ !1).then((function() {\n                    r.Sh.Ui(i.targetId), Ko(r.ph, i.targetId), Ls(r, i.targetId);\n                })).catch(Do) ]) : [ 3 /*break*/ , 3 ];\n\n              case 1:\n                t.sent(), t.label = 2;\n\n              case 2:\n                return [ 3 /*break*/ , 5 ];\n\n              case 3:\n                return Ls(r, i.targetId), [ 4 /*yield*/ , Eo(r.ju, i.targetId, \n                /*keepPersistedTargetData=*/ !0) ];\n\n              case 4:\n                t.sent(), t.label = 5;\n\n              case 5:\n                return [ 2 /*return*/ ];\n            }\n        }));\n    }));\n}\n\n/**\n * Initiates the write of local mutation batch which involves adding the\n * writes to the mutation queue, notifying the remote store about new\n * mutations and raising events for any changes this write caused.\n *\n * The promise returned by this call is resolved when the above steps\n * have completed, *not* when the write was acked by the backend. The\n * userCallback is resolved once the write was acked/rejected by the\n * backend (or failed locally for any other reason).\n */\n/**\n * Applies one remote event to the sync engine, notifying any views of the\n * changes, and releasing any pending mutation batches that would become\n * visible because of the snapshot version the remote event contains.\n */\nfunction Es(e, n) {\n    return t.__awaiter(this, void 0, void 0, (function() {\n        var r, i;\n        return t.__generator(this, (function(t) {\n            switch (t.label) {\n              case 0:\n                r = m(e), t.label = 1;\n\n              case 1:\n                return t.trys.push([ 1, 4, , 6 ]), [ 4 /*yield*/ , _o(r.ju, n) ];\n\n              case 2:\n                return i = t.sent(), \n                // Update `receivedDocument` as appropriate for any limbo targets.\n                n.zt.forEach((function(t, e) {\n                    var n = r.kh.get(e);\n                    n && (\n                    // Since this is a limbo resolution lookup, it\'s for a single document\n                    // and it could be added, modified, or removed, but not a combination.\n                    g(t.ee.size + t.ne.size + t.se.size <= 1), t.ee.size > 0 ? n.Vh = !0 : t.ne.size > 0 ? g(n.Vh) : t.se.size > 0 && (g(n.Vh), \n                    n.Vh = !1));\n                })), [ 4 /*yield*/ , Vs(r, i, n) ];\n\n              case 3:\n                // Update `receivedDocument` as appropriate for any limbo targets.\n                return t.sent(), [ 3 /*break*/ , 6 ];\n\n              case 4:\n                return [ 4 /*yield*/ , Do(t.sent()) ];\n\n              case 5:\n                return t.sent(), [ 3 /*break*/ , 6 ];\n\n              case 6:\n                return [ 2 /*return*/ ];\n            }\n        }));\n    }));\n}\n\n/**\n * Applies an OnlineState change to the sync engine and notifies any views of\n * the change.\n */ function Ts(t, e, n) {\n    var r = m(t);\n    // If we are the secondary client, we explicitly ignore the remote store\'s\n    // online state (the local client may go offline, even though the primary\n    // tab remains online) and only apply the primary tab\'s online state from\n    // SharedClientState.\n        if (r.Uh && 0 /* RemoteStore */ === n || !r.Uh && 1 /* SharedClientState */ === n) {\n        var i = [];\n        r.Nh.forEach((function(t, n) {\n            var r = n.view.Qs(e);\n            r.snapshot && i.push(r.snapshot);\n        })), function(t, e) {\n            var n = m(t);\n            n.onlineState = e;\n            var r = !1;\n            n.Bs.forEach((function(t, n) {\n                for (var i = 0, o = n.listeners; i < o.length; i++) {\n                    // Run global snapshot listeners if a consistent snapshot has been emitted.\n                    o[i].Qs(e) && (r = !0);\n                }\n            })), r && Cr(n);\n        }(r.bh, e), i.length && r.Ch.yu(i), r.onlineState = e, r.Uh && r.Sh.Ki(e);\n    }\n}\n\n/**\n * Rejects the listen for the given targetID. This can be triggered by the\n * backend for any active target.\n *\n * @param syncEngine The sync engine implementation.\n * @param targetId The targetID corresponds to one previously initiated by the\n * user as part of TargetData passed to listen() on RemoteStore.\n * @param err A description of the condition that has forced the rejection.\n * Nearly always this will be an indication that the user is no longer\n * authorized to see the data matching the target.\n */ function Ns(e, n, r) {\n    return t.__awaiter(this, void 0, void 0, (function() {\n        var i, o, s, u, a, c;\n        return t.__generator(this, (function(t) {\n            switch (t.label) {\n              case 0:\n                // PORTING NOTE: Multi-tab only.\n                return (i = m(e)).Sh.Qi(n, "rejected", r), o = i.kh.get(n), (s = o && o.key) ? (u = (u = new bt(A.i)).ot(s, new Rn(s, st.min())), \n                a = Ot().add(s), c = new Mt(st.min(), \n                /* targetChanges= */ new Map, \n                /* targetMismatches= */ new Tt(H), u, a), [ 4 /*yield*/ , Es(i, c) ]) : [ 3 /*break*/ , 2 ];\n\n              case 1:\n                return t.sent(), \n                // Since this query failed, we won\'t want to manually unlisten to it.\n                // We only remove it from bookkeeping after we successfully applied the\n                // RemoteEvent. If `applyRemoteEvent()` throws, we want to re-listen to\n                // this query when the RemoteStore restarts the Watch stream, which should\n                // re-trigger the target failure.\n                i.$h = i.$h.remove(s), i.kh.delete(n), Ps(i), [ 3 /*break*/ , 4 ];\n\n              case 2:\n                return [ 4 /*yield*/ , Eo(i.ju, n, \n                /* keepPersistedTargetData */ !1).then((function() {\n                    return Ls(i, n, r);\n                })).catch(Do) ];\n\n              case 3:\n                t.sent(), t.label = 4;\n\n              case 4:\n                return [ 2 /*return*/ ];\n            }\n        }));\n    }));\n}\n\nfunction As(e, n) {\n    return t.__awaiter(this, void 0, void 0, (function() {\n        var r, i, o;\n        return t.__generator(this, (function(t) {\n            switch (t.label) {\n              case 0:\n                r = m(e), i = n.batch.batchId, t.label = 1;\n\n              case 1:\n                return t.trys.push([ 1, 4, , 6 ]), [ 4 /*yield*/ , mo(r.ju, n) ];\n\n              case 2:\n                return o = t.sent(), \n                // The local store may or may not be able to apply the write result and\n                // raise events immediately (depending on whether the watcher is caught\n                // up), so we raise user callbacks first so that they consistently happen\n                // before listen events.\n                xs(r, i, /*error=*/ null), Ds(r, i), r.Sh.ki(i, "acknowledged"), [ 4 /*yield*/ , Vs(r, o) ];\n\n              case 3:\n                // The local store may or may not be able to apply the write result and\n                // raise events immediately (depending on whether the watcher is caught\n                // up), so we raise user callbacks first so that they consistently happen\n                // before listen events.\n                return t.sent(), [ 3 /*break*/ , 6 ];\n\n              case 4:\n                return [ 4 /*yield*/ , Do(t.sent()) ];\n\n              case 5:\n                return t.sent(), [ 3 /*break*/ , 6 ];\n\n              case 6:\n                return [ 2 /*return*/ ];\n            }\n        }));\n    }));\n}\n\nfunction Ss(e, n, r) {\n    return t.__awaiter(this, void 0, void 0, (function() {\n        var i, o;\n        return t.__generator(this, (function(t) {\n            switch (t.label) {\n              case 0:\n                i = m(e), t.label = 1;\n\n              case 1:\n                return t.trys.push([ 1, 4, , 6 ]), [ 4 /*yield*/ , function(t, e) {\n                    var n = m(t);\n                    return n.persistence.runTransaction("Reject batch", "readwrite-primary", (function(t) {\n                        var r;\n                        return n.Sr.Oo(t, e).next((function(e) {\n                            return g(null !== e), r = e.keys(), n.Sr.Wo(t, e);\n                        })).next((function() {\n                            return n.Sr.zo(t);\n                        })).next((function() {\n                            return n.Cc.kr(t, r);\n                        }));\n                    }));\n                }(i.ju, n) ];\n\n              case 2:\n                return o = t.sent(), \n                // The local store may or may not be able to apply the write result and\n                // raise events immediately (depending on whether the watcher is caught up),\n                // so we raise user callbacks first so that they consistently happen before\n                // listen events.\n                xs(i, n, r), Ds(i, n), i.Sh.ki(n, "rejected", r), [ 4 /*yield*/ , Vs(i, o) ];\n\n              case 3:\n                // The local store may or may not be able to apply the write result and\n                // raise events immediately (depending on whether the watcher is caught up),\n                // so we raise user callbacks first so that they consistently happen before\n                // listen events.\n                return t.sent(), [ 3 /*break*/ , 6 ];\n\n              case 4:\n                return [ 4 /*yield*/ , Do(t.sent()) ];\n\n              case 5:\n                return t.sent(), [ 3 /*break*/ , 6 ];\n\n              case 6:\n                return [ 2 /*return*/ ];\n            }\n        }));\n    }));\n}\n\n/**\n * Registers a user callback that resolves when all pending mutations at the moment of calling\n * are acknowledged .\n */\n/**\n * Triggers the callbacks that are waiting for this batch id to get acknowledged by server,\n * if there are any.\n */\nfunction Ds(t, e) {\n    (t.Lh.get(e) || []).forEach((function(t) {\n        t.resolve();\n    })), t.Lh.delete(e)\n    /** Reject all outstanding callbacks waiting for pending writes to complete. */;\n}\n\nfunction xs(t, e, n) {\n    var r = m(t), i = r.Oh[r.currentUser.ti()];\n    // NOTE: Mutations restored from persistence won\'t have callbacks, so it\'s\n    // okay for there to be no callback for this ID.\n    if (i) {\n        var o = i.get(e);\n        o && (n ? o.reject(n) : o.resolve(), i = i.remove(e)), r.Oh[r.currentUser.ti()] = i;\n    }\n}\n\nfunction Ls(t, e, n) {\n    void 0 === n && (n = null), t.Sh.Bi(e);\n    for (var r = 0, i = t.Fh.get(e); r < i.length; r++) {\n        var o = i[r];\n        t.Nh.delete(o), n && t.Ch.Wh(o, n);\n    }\n    t.Fh.delete(e), t.Uh && t.Mh.Uc(e).forEach((function(e) {\n        t.Mh.Ho(e) || \n        // We removed the last reference for this key\n        ks(t, e);\n    }));\n}\n\nfunction ks(t, e) {\n    // It\'s possible that the target already got removed because the query failed. In that case,\n    // the key won\'t exist in `limboTargetsByKey`. Only do the cleanup if we still have the target.\n    var n = t.$h.get(e);\n    null !== n && (Ko(t.ph, n), t.$h = t.$h.remove(e), t.kh.delete(n), Ps(t));\n}\n\nfunction Rs(t, e, n) {\n    for (var r = 0, i = n; r < i.length; r++) {\n        var o = i[r];\n        o instanceof ds ? (t.Mh.Da(o.key, e), Os(t, o)) : o instanceof vs ? (l("SyncEngine", "Document no longer in limbo: " + o.key), \n        t.Mh.Na(o.key, e), t.Mh.Ho(o.key) || \n        // We removed the last reference for this key\n        ks(t, o.key)) : y();\n    }\n}\n\nfunction Os(t, e) {\n    var n = e.key;\n    t.$h.get(n) || (l("SyncEngine", "New document in limbo: " + n), t.xh.push(n), Ps(t));\n}\n\n/**\n * Starts listens for documents in limbo that are enqueued for resolution,\n * subject to a maximum number of concurrent resolutions.\n *\n * Without bounding the number of concurrent resolutions, the server can fail\n * with "resource exhausted" errors which can lead to pathological client\n * behavior as seen in https://github.com/firebase/firebase-js-sdk/issues/2683.\n */ function Ps(t) {\n    for (;t.xh.length > 0 && t.$h.size < t.Dh; ) {\n        var e = t.xh.shift(), n = t.Bh.next();\n        t.kh.set(n, new ms(e)), t.$h = t.$h.ot(e, n), Wo(t.ph, new gt(zn(Un(e.path)), n, 2 /* LimboResolution */ , qr.ai));\n    }\n}\n\nfunction Vs(e, n, r) {\n    return t.__awaiter(this, void 0, void 0, (function() {\n        var i, o, s, u;\n        return t.__generator(this, (function(a) {\n            switch (a.label) {\n              case 0:\n                return i = m(e), o = [], s = [], u = [], i.Nh.m() ? [ 3 /*break*/ , 3 ] : (i.Nh.forEach((function(t, e) {\n                    u.push(i.Qh(e, n, r).then((function(t) {\n                        if (t) {\n                            i.Uh && i.Sh.Qi(e.targetId, t.fromCache ? "not-current" : "current"), o.push(t);\n                            var n = ri.zr(e.targetId, t);\n                            s.push(n);\n                        }\n                    })));\n                })), [ 4 /*yield*/ , Promise.all(u) ]);\n\n              case 1:\n                return a.sent(), i.Ch.yu(o), [ 4 /*yield*/ , function(e, n) {\n                    return t.__awaiter(this, void 0, void 0, (function() {\n                        var r, i, o, s, u, a, c, h, f;\n                        return t.__generator(this, (function(t) {\n                            switch (t.label) {\n                              case 0:\n                                r = m(e), t.label = 1;\n\n                              case 1:\n                                return t.trys.push([ 1, 3, , 4 ]), [ 4 /*yield*/ , r.persistence.runTransaction("notifyLocalViewChanges", "readwrite", (function(t) {\n                                    return yr.forEach(n, (function(e) {\n                                        return yr.forEach(e.Kr, (function(n) {\n                                            return r.persistence.No.Da(t, e.targetId, n);\n                                        })).next((function() {\n                                            return yr.forEach(e.Gr, (function(n) {\n                                                return r.persistence.No.Na(t, e.targetId, n);\n                                            }));\n                                        }));\n                                    }));\n                                })) ];\n\n                              case 2:\n                                return t.sent(), [ 3 /*break*/ , 4 ];\n\n                              case 3:\n                                if (!_r(i = t.sent())) throw i;\n                                // If `notifyLocalViewChanges` fails, we did not advance the sequence\n                                // number for the documents that were included in this transaction.\n                                // This might trigger them to be deleted earlier than they otherwise\n                                // would have, but it should not invalidate the integrity of the data.\n                                                                return l("LocalStore", "Failed to update sequence numbers: " + i), \n                                [ 3 /*break*/ , 4 ];\n\n                              case 4:\n                                for (o = 0, s = n; o < s.length; o++) u = s[o], a = u.targetId, u.fromCache || (c = r.bc.get(a), \n                                h = c.nt, f = c.rt(h), \n                                // Advance the last limbo free snapshot version\n                                r.bc = r.bc.ot(a, f));\n                                return [ 2 /*return*/ ];\n                            }\n                        }));\n                    }));\n                }(i.ju, s) ];\n\n              case 2:\n                a.sent(), a.label = 3;\n\n              case 3:\n                return [ 2 /*return*/ ];\n            }\n        }));\n    }));\n}\n\nfunction Us(e, n) {\n    return t.__awaiter(this, void 0, void 0, (function() {\n        var r, i;\n        return t.__generator(this, (function(o) {\n            switch (o.label) {\n              case 0:\n                return (r = m(e)).currentUser.isEqual(n) ? [ 3 /*break*/ , 3 ] : (l("SyncEngine", "User change. New user:", n.ti()), \n                [ 4 /*yield*/ , \n                /**\n                 * Tells the LocalStore that the currently authenticated user has changed.\n                 *\n                 * In response the local store switches the mutation queue to the new user and\n                 * returns any resulting document changes.\n                 */\n                // PORTING NOTE: Android and iOS only return the documents affected by the\n                // change.\n                function(e, n) {\n                    return t.__awaiter(this, void 0, void 0, (function() {\n                        var r, i, o, s;\n                        return t.__generator(this, (function(t) {\n                            switch (t.label) {\n                              case 0:\n                                return r = m(e), i = r.Sr, o = r.Cc, [ 4 /*yield*/ , r.persistence.runTransaction("Handle user change", "readonly", (function(t) {\n                                    // Swap out the mutation queue, grabbing the pending mutation batches\n                                    // before and after.\n                                    var e;\n                                    return r.Sr.Uo(t).next((function(s) {\n                                        return e = s, i = r.persistence.mc(n), \n                                        // Recreate our LocalDocumentsView using the new\n                                        // MutationQueue.\n                                        o = new ni(r.Dc, i, r.persistence.Ic()), i.Uo(t);\n                                    })).next((function(n) {\n                                        for (var r = [], i = [], s = Ot(), u = 0, a = e\n                                        // Union the old/new changed keys.\n                                        ; u < a.length; u++) {\n                                            var c = a[u];\n                                            r.push(c.batchId);\n                                            for (var h = 0, f = c.mutations; h < f.length; h++) {\n                                                var l = f[h];\n                                                s = s.add(l.key);\n                                            }\n                                        }\n                                        for (var p = 0, d = n; p < d.length; p++) {\n                                            var v = d[p];\n                                            i.push(v.batchId);\n                                            for (var y = 0, g = v.mutations; y < g.length; y++) {\n                                                var m = g[y];\n                                                s = s.add(m.key);\n                                            }\n                                        }\n                                        // Return the set of all (potentially) changed documents and the list\n                                        // of mutation batch IDs that were affected by change.\n                                                                                return o.kr(t, s).next((function(t) {\n                                            return {\n                                                jh: t,\n                                                Kh: r,\n                                                Gh: i\n                                            };\n                                        }));\n                                    }));\n                                })) ];\n\n                              case 1:\n                                return s = t.sent(), [ 2 /*return*/ , (r.Sr = i, r.Cc = o, r.Vc.Nc(r.Cc), s) ];\n                            }\n                        }));\n                    }));\n                }(r.ju, n) ]);\n\n              case 1:\n                return i = o.sent(), r.currentUser = n, \n                // Fails tasks waiting for pending writes requested by previous user.\n                function(t, e) {\n                    t.Lh.forEach((function(t) {\n                        t.forEach((function(t) {\n                            t.reject(new c(a.CANCELLED, "\'waitForPendingWrites\' promise is rejected due to a user change."));\n                        }));\n                    })), t.Lh.clear();\n                }(r), \n                // TODO(b/114226417): Consider calling this only in the primary tab.\n                r.Sh.ji(n, i.Kh, i.Gh), [ 4 /*yield*/ , Vs(r, i.jh) ];\n\n              case 2:\n                o.sent(), o.label = 3;\n\n              case 3:\n                return [ 2 /*return*/ ];\n            }\n        }));\n    }));\n}\n\nfunction Cs(t, e) {\n    var n = m(t), r = n.kh.get(e);\n    if (r && r.Vh) return Ot().add(r.key);\n    var i = Ot(), o = n.Fh.get(e);\n    if (!o) return i;\n    for (var s = 0, u = o; s < u.length; s++) {\n        var a = u[s], c = n.Nh.get(a);\n        i = i.kt(c.view.dh);\n    }\n    return i;\n}\n\n/**\n * Reconcile the list of synced documents in an existing view with those\n * from persistence.\n */ function Fs(e, n) {\n    return t.__awaiter(this, void 0, void 0, (function() {\n        var r, i, o;\n        return t.__generator(this, (function(t) {\n            switch (t.label) {\n              case 0:\n                return [ 4 /*yield*/ , To((r = m(e)).ju, n.query, \n                /* usePreviousResults= */ !0) ];\n\n              case 1:\n                return i = t.sent(), o = n.view.Ph(i), [ 2 /*return*/ , (r.Uh && Rs(r, n.targetId, o.Rh), \n                o) ];\n            }\n        }));\n    }));\n}\n\n/** Applies a mutation state to an existing batch.  */\n// PORTING NOTE: Multi-Tab only.\nfunction Ms(e, n, r, i) {\n    return t.__awaiter(this, void 0, void 0, (function() {\n        var o, s;\n        return t.__generator(this, (function(t) {\n            switch (t.label) {\n              case 0:\n                return [ 4 /*yield*/ , function(t, e) {\n                    var n = m(t), r = m(n.Sr);\n                    return n.persistence.runTransaction("Lookup mutation documents", "readonly", (function(t) {\n                        return r.Lo(t, e).next((function(e) {\n                            return e ? n.Cc.kr(t, e) : yr.resolve(null);\n                        }));\n                    }));\n                }((o = m(e)).ju, n) ];\n\n              case 1:\n                return null === (s = t.sent()) ? [ 3 /*break*/ , 6 ] : "pending" !== r ? [ 3 /*break*/ , 3 ] : [ 4 /*yield*/ , is(o.ph) ];\n\n              case 2:\n                // If we are the primary client, we need to send this write to the\n                // backend. Secondary clients will ignore these writes since their remote\n                // connection is disabled.\n                return t.sent(), [ 3 /*break*/ , 4 ];\n\n              case 3:\n                "acknowledged" === r || "rejected" === r ? (\n                // NOTE: Both these methods are no-ops for batches that originated from\n                // other clients.\n                xs(o, n, i || null), Ds(o, n), function(t, e) {\n                    m(m(t).Sr).Ko(e);\n                }(o.ju, n)) : y(), t.label = 4;\n\n              case 4:\n                return [ 4 /*yield*/ , Vs(o, s) ];\n\n              case 5:\n                return t.sent(), [ 3 /*break*/ , 7 ];\n\n              case 6:\n                // A throttled tab may not have seen the mutation before it was completed\n                // and removed from the mutation queue, in which case we won\'t have cached\n                // the affected documents. In this case we can safely ignore the update\n                // since that means we didn\'t apply the mutation locally at all (if we\n                // had, we would have cached the affected documents), and so we will just\n                // see any resulting document changes via normal remote document updates\n                // as applicable.\n                l("SyncEngine", "Cannot apply mutation batch with id: " + n), t.label = 7;\n\n              case 7:\n                return [ 2 /*return*/ ];\n            }\n        }));\n    }));\n}\n\n/** Applies a query target change from a different tab. */\n// PORTING NOTE: Multi-Tab only.\nfunction qs(e, n) {\n    return t.__awaiter(this, void 0, void 0, (function() {\n        var r, i, o, s, u, a, c, h;\n        return t.__generator(this, (function(t) {\n            switch (t.label) {\n              case 0:\n                return Ks(r = m(e)), Qs(r), !0 !== n || !0 === r.qh ? [ 3 /*break*/ , 3 ] : (i = r.Sh.Ci(), \n                [ 4 /*yield*/ , js(r, i.A()) ]);\n\n              case 1:\n                return o = t.sent(), r.qh = !0, [ 4 /*yield*/ , fs(r.ph, !0) ];\n\n              case 2:\n                for (t.sent(), s = 0, u = o; s < u.length; s++) a = u[s], Wo(r.ph, a);\n                return [ 3 /*break*/ , 7 ];\n\n              case 3:\n                return !1 !== n || !1 === r.qh ? [ 3 /*break*/ , 7 ] : (c = [], h = Promise.resolve(), \n                r.Fh.forEach((function(t, e) {\n                    r.Sh.qi(e) ? c.push(e) : h = h.then((function() {\n                        return Ls(r, e), Eo(r.ju, e, \n                        /*keepPersistedTargetData=*/ !0);\n                    })), Ko(r.ph, e);\n                })), [ 4 /*yield*/ , h ]);\n\n              case 4:\n                return t.sent(), [ 4 /*yield*/ , js(r, c) ];\n\n              case 5:\n                return t.sent(), \n                // PORTING NOTE: Multi-Tab only.\n                function(t) {\n                    var e = m(t);\n                    e.kh.forEach((function(t, n) {\n                        Ko(e.ph, n);\n                    })), e.Mh.Qc(), e.kh = new Map, e.$h = new bt(A.i);\n                }(r), r.qh = !1, [ 4 /*yield*/ , fs(r.ph, !1) ];\n\n              case 6:\n                t.sent(), t.label = 7;\n\n              case 7:\n                return [ 2 /*return*/ ];\n            }\n        }));\n    }));\n}\n\nfunction js(e, n, r) {\n    return t.__awaiter(this, void 0, void 0, (function() {\n        var r, i, o, s, u, a, c, h, f, l, p, d, v, y;\n        return t.__generator(this, (function(t) {\n            switch (t.label) {\n              case 0:\n                r = m(e), i = [], o = [], s = 0, u = n, t.label = 1;\n\n              case 1:\n                return s < u.length ? (a = u[s], c = void 0, (h = r.Fh.get(a)) && 0 !== h.length ? [ 4 /*yield*/ , Io(r.ju, zn(h[0])) ] : [ 3 /*break*/ , 7 ]) : [ 3 /*break*/ , 13 ];\n\n              case 2:\n                // For queries that have a local View, we fetch their current state\n                // from LocalStore (as the resume token and the snapshot version\n                // might have changed) and reconcile their views with the persisted\n                // state (the list of syncedDocuments may have gotten out of sync).\n                c = t.sent(), f = 0, l = h, t.label = 3;\n\n              case 3:\n                return f < l.length ? (p = l[f], d = r.Nh.get(p), [ 4 /*yield*/ , Fs(r, d) ]) : [ 3 /*break*/ , 6 ];\n\n              case 4:\n                (v = t.sent()).snapshot && o.push(v.snapshot), t.label = 5;\n\n              case 5:\n                return f++, [ 3 /*break*/ , 3 ];\n\n              case 6:\n                return [ 3 /*break*/ , 11 ];\n\n              case 7:\n                return [ 4 /*yield*/ , No(r.ju, a) ];\n\n              case 8:\n                return y = t.sent(), [ 4 /*yield*/ , Io(r.ju, y) ];\n\n              case 9:\n                return c = t.sent(), [ 4 /*yield*/ , bs(r, Gs(y), a, \n                /*current=*/ !1) ];\n\n              case 10:\n                t.sent(), t.label = 11;\n\n              case 11:\n                i.push(c), t.label = 12;\n\n              case 12:\n                return s++, [ 3 /*break*/ , 1 ];\n\n              case 13:\n                return [ 2 /*return*/ , (r.Ch.yu(o), i) ];\n            }\n        }));\n    }));\n}\n\n/**\n * Creates a `Query` object from the specified `Target`. There is no way to\n * obtain the original `Query`, so we synthesize a `Query` from the `Target`\n * object.\n *\n * The synthesized result might be different from the original `Query`, but\n * since the synthesized `Query` should return the same results as the\n * original one (only the presentation of results might differ), the potential\n * difference will not cause issues.\n */\n// PORTING NOTE: Multi-Tab only.\nfunction Gs(t) {\n    return Vn(t.path, t.collectionGroup, t.orderBy, t.filters, t.limit, "F" /* First */ , t.startAt, t.endAt);\n}\n\n/** Returns the IDs of the clients that are currently active. */\n// PORTING NOTE: Multi-Tab only.\nfunction zs(t) {\n    var e = m(t);\n    return m(m(e.ju).persistence).pi();\n}\n\n/** Applies a query target change from a different tab. */\n// PORTING NOTE: Multi-Tab only.\nfunction Bs(e, n, r, i) {\n    return t.__awaiter(this, void 0, void 0, (function() {\n        var o, s, u;\n        return t.__generator(this, (function(t) {\n            switch (t.label) {\n              case 0:\n                return (o = m(e)).qh ? (\n                // If we receive a target state notification via WebStorage, we are\n                // either already secondary or another tab has taken the primary lease.\n                l("SyncEngine", "Ignoring unexpected query state notification."), [ 3 /*break*/ , 8 ]) : [ 3 /*break*/ , 1 ];\n\n              case 1:\n                if (!o.Fh.has(n)) return [ 3 /*break*/ , 8 ];\n                switch (r) {\n                  case "current":\n                  case "not-current":\n                    return [ 3 /*break*/ , 2 ];\n\n                  case "rejected":\n                    return [ 3 /*break*/ , 5 ];\n                }\n                return [ 3 /*break*/ , 7 ];\n\n              case 2:\n                return [ 4 /*yield*/ , Ao(o.ju) ];\n\n              case 3:\n                return s = t.sent(), u = Mt.Xt(n, "current" === r), [ 4 /*yield*/ , Vs(o, s, u) ];\n\n              case 4:\n                return t.sent(), [ 3 /*break*/ , 8 ];\n\n              case 5:\n                return [ 4 /*yield*/ , Eo(o.ju, n, \n                /* keepPersistedTargetData */ !0) ];\n\n              case 6:\n                return t.sent(), Ls(o, n, i), [ 3 /*break*/ , 8 ];\n\n              case 7:\n                y(), t.label = 8;\n\n              case 8:\n                return [ 2 /*return*/ ];\n            }\n        }));\n    }));\n}\n\n/** Adds or removes Watch targets for queries from different tabs. */ function Ws(e, n, r) {\n    return t.__awaiter(this, void 0, void 0, (function() {\n        var i, o, s, u, a, c, h, f, p, d;\n        return t.__generator(this, (function(v) {\n            switch (v.label) {\n              case 0:\n                if (!(i = Ks(e)).qh) return [ 3 /*break*/ , 10 ];\n                o = 0, s = n, v.label = 1;\n\n              case 1:\n                return o < s.length ? (u = s[o], i.Fh.has(u) ? (\n                // A target might have been added in a previous attempt\n                l("SyncEngine", "Adding an already active target " + u), [ 3 /*break*/ , 5 ]) : [ 4 /*yield*/ , No(i.ju, u) ]) : [ 3 /*break*/ , 6 ];\n\n              case 2:\n                return a = v.sent(), [ 4 /*yield*/ , Io(i.ju, a) ];\n\n              case 3:\n                return c = v.sent(), [ 4 /*yield*/ , bs(i, Gs(a), c.targetId, \n                /*current=*/ !1) ];\n\n              case 4:\n                v.sent(), Wo(i.ph, c), v.label = 5;\n\n              case 5:\n                return o++, [ 3 /*break*/ , 1 ];\n\n              case 6:\n                h = function(e) {\n                    return t.__generator(this, (function(t) {\n                        switch (t.label) {\n                          case 0:\n                            return i.Fh.has(e) ? [ 4 /*yield*/ , Eo(i.ju, e, \n                            /* keepPersistedTargetData */ !1).then((function() {\n                                Ko(i.ph, e), Ls(i, e);\n                            })).catch(Do) ] : [ 3 /*break*/ , 2 ];\n\n                            // Release queries that are still active.\n                                                      case 1:\n                            // Release queries that are still active.\n                            t.sent(), t.label = 2;\n\n                          case 2:\n                            return [ 2 /*return*/ ];\n                        }\n                    }));\n                }, f = 0, p = r, v.label = 7;\n\n              case 7:\n                return f < p.length ? (d = p[f], [ 5 /*yield**/ , h(d) ]) : [ 3 /*break*/ , 10 ];\n\n              case 8:\n                v.sent(), v.label = 9;\n\n              case 9:\n                return f++, [ 3 /*break*/ , 7 ];\n\n              case 10:\n                return [ 2 /*return*/ ];\n            }\n        }));\n    }));\n}\n\nfunction Ks(t) {\n    var e = m(t);\n    return e.ph.Gu.sh = Es.bind(null, e), e.ph.Gu.qe = Cs.bind(null, e), e.ph.Gu.nh = Ns.bind(null, e), \n    e.Ch.yu = Vr.bind(null, e.bh), e.Ch.Wh = Ur.bind(null, e.bh), e;\n}\n\nfunction Qs(t) {\n    var e = m(t);\n    return e.ph.Gu.ih = As.bind(null, e), e.ph.Gu.rh = Ss.bind(null, e), e;\n}\n\n/**\n * @license\n * Copyright 2019 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the "License");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an "AS IS" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n// TOOD(b/140938512): Drop SimpleQueryEngine and rename IndexFreeQueryEngine.\n/**\n * A query engine that takes advantage of the target document mapping in the\n * QueryCache. The IndexFreeQueryEngine optimizes query execution by only\n * reading the documents that previously matched a query plus any documents that were\n * edited after the query was last listened to.\n *\n * There are some cases where Index-Free queries are not guaranteed to produce\n * the same results as full collection scans. In these cases, the\n * IndexFreeQueryEngine falls back to full query processing. These cases are:\n *\n * - Limit queries where a document that matched the query previously no longer\n *   matches the query.\n *\n * - Limit queries where a document edit may cause the document to sort below\n *   another document that is in the local cache.\n *\n * - Queries that have never been CURRENT or free of Limbo documents.\n */ var Hs = /** @class */ function() {\n    function t() {}\n    return t.prototype.Nc = function(t) {\n        this.zh = t;\n    }, t.prototype.Lr = function(t, e, r, i) {\n        var o = this;\n        // Queries that match all documents don\'t benefit from using\n        // IndexFreeQueries. It is more efficient to scan all documents in a\n        // collection, rather than to perform individual lookups.\n                return function(t) {\n            return 0 === t.filters.length && null === t.limit && null == t.startAt && null == t.endAt && (0 === t.on.length || 1 === t.on.length && t.on[0].field.p());\n        }(e) || r.isEqual(st.min()) ? this.Hh(t, e) : this.zh.kr(t, i).next((function(s) {\n            var u = o.Yh(e, s);\n            return (Cn(e) || Fn(e)) && o.Eh(e.an, u, i, r) ? o.Hh(t, e) : (f() <= n.LogLevel.DEBUG && l("IndexFreeQueryEngine", "Re-using previous result from %s to execute query: %s", r.toString(), Yn(e)), \n            o.zh.Lr(t, e, r).next((function(t) {\n                // We merge `previousResults` into `updateResults`, since\n                // `updateResults` is already a DocumentMap. If a document is\n                // contained in both lists, then its contents are the same.\n                return u.forEach((function(e) {\n                    t = t.ot(e.key, e);\n                })), t;\n            })));\n        }));\n        // Queries that have never seen a snapshot without limbo free documents\n        // should also be run as a full collection scan.\n        }, \n    /** Applies the query filter and sorting to the provided documents.  */ t.prototype.Yh = function(t, e) {\n        // Sort the documents and re-apply the query filter since previously\n        // matching documents do not necessarily still match the query.\n        var n = new Tt(Xn(t));\n        return e.forEach((function(e, r) {\n            r instanceof kn && $n(t, r) && (n = n.add(r));\n        })), n;\n    }, \n    /**\n     * Determines if a limit query needs to be refilled from cache, making it\n     * ineligible for index-free execution.\n     *\n     * @param sortedPreviousResults The documents that matched the query when it\n     * was last synchronized, sorted by the query\'s comparator.\n     * @param remoteKeys The document keys that matched the query at the last\n     * snapshot.\n     * @param limboFreeSnapshotVersion The version of the snapshot when the query\n     * was last synchronized.\n     */\n    t.prototype.Eh = function(t, e, n, r) {\n        // The query needs to be refilled if a previously matching document no\n        // longer matches.\n        if (n.size !== e.size) return !0;\n        // Limit queries are not eligible for index-free query execution if there is\n        // a potential that an older document from cache now sorts before a document\n        // that was previously part of the limit. This, however, can only happen if\n        // the document at the edge of the limit goes out of limit.\n        // If a document that is not the limit boundary sorts differently,\n        // the boundary of the limit itself did not change and documents from cache\n        // will continue to be "rejected" by this boundary. Therefore, we can ignore\n        // any modifications that don\'t affect the last document.\n                var i = "F" /* First */ === t ? e.last() : e.first();\n        return !!i && (i.hasPendingWrites || i.version.L(r) > 0);\n    }, t.prototype.Hh = function(t, e) {\n        return f() <= n.LogLevel.DEBUG && l("IndexFreeQueryEngine", "Using full collection scan to execute query:", Yn(e)), \n        this.zh.Lr(t, e, st.min());\n    }, t;\n}(), Ys = /** @class */ function() {\n    function t(t, e) {\n        this.Dr = t, this.No = e, \n        /**\n             * The set of all mutations that have been sent but not yet been applied to\n             * the backend.\n             */\n        this.Sr = [], \n        /** Next value to use when assigning sequential IDs to each mutation batch. */\n        this.Jh = 1, \n        /** An ordered mapping between documents and the mutations batch IDs. */\n        this.Xh = new Tt(Lo.kc);\n    }\n    return t.prototype.$o = function(t) {\n        return yr.resolve(0 === this.Sr.length);\n    }, t.prototype.ko = function(t, e, n, r) {\n        var i = this.Jh;\n        this.Jh++, this.Sr.length > 0 && this.Sr[this.Sr.length - 1];\n        var o = new Xr(i, e, n, r);\n        this.Sr.push(o);\n        // Track references by document key and index collection parents.\n        for (var s = 0, u = r; s < u.length; s++) {\n            var a = u[s];\n            this.Xh = this.Xh.add(new Lo(a.key, i)), this.Dr.Mo(t, a.key.path.h());\n        }\n        return yr.resolve(o);\n    }, t.prototype.Oo = function(t, e) {\n        return yr.resolve(this.Zh(e));\n    }, t.prototype.Bo = function(t, e) {\n        var n = e + 1, r = this.tl(n), i = r < 0 ? 0 : r;\n        // The requested batchId may still be out of range so normalize it to the\n        // start of the queue.\n                return yr.resolve(this.Sr.length > i ? this.Sr[i] : null);\n    }, t.prototype.qo = function() {\n        return yr.resolve(0 === this.Sr.length ? -1 : this.Jh - 1);\n    }, t.prototype.Uo = function(t) {\n        return yr.resolve(this.Sr.slice());\n    }, t.prototype.Nr = function(t, e) {\n        var n = this, r = new Lo(e, 0), i = new Lo(e, Number.POSITIVE_INFINITY), o = [];\n        return this.Xh.Ft([ r, i ], (function(t) {\n            var e = n.Zh(t.jc);\n            o.push(e);\n        })), yr.resolve(o);\n    }, t.prototype.Or = function(t, e) {\n        var n = this, r = new Tt(H);\n        return e.forEach((function(t) {\n            var e = new Lo(t, 0), i = new Lo(t, Number.POSITIVE_INFINITY);\n            n.Xh.Ft([ e, i ], (function(t) {\n                r = r.add(t.jc);\n            }));\n        })), yr.resolve(this.el(r));\n    }, t.prototype.Wr = function(t, e) {\n        // Use the query path as a prefix for testing if a document matches the\n        // query.\n        var n = e.path, r = n.length + 1, i = n;\n        // Construct a document reference for actually scanning the index. Unlike\n        // the prefix the document key in this reference must have an even number of\n        // segments. The empty segment can be used a suffix of the query path\n        // because it precedes all other segments in an ordered traversal.\n                A.F(i) || (i = i.child(""));\n        var o = new Lo(new A(i), 0), s = new Tt(H);\n        // Find unique batchIDs referenced by all documents potentially matching the\n        // query.\n                return this.Xh.xt((function(t) {\n            var e = t.key.path;\n            return !!n.T(e) && (\n            // Rows with document keys more than one segment longer than the query\n            // path can\'t be matches. For example, a query on \'rooms\' can\'t match\n            // the document /rooms/abc/messages/xyx.\n            // TODO(mcg): we\'ll need a different scanner when we implement\n            // ancestor queries.\n            e.length === r && (s = s.add(t.jc)), !0);\n        }), o), yr.resolve(this.el(s));\n    }, t.prototype.el = function(t) {\n        var e = this, n = [];\n        // Construct an array of matching batches, sorted by batchID to ensure that\n        // multiple mutations affecting the same document key are applied in order.\n                return t.forEach((function(t) {\n            var r = e.Zh(t);\n            null !== r && n.push(r);\n        })), n;\n    }, t.prototype.Wo = function(t, e) {\n        var n = this;\n        g(0 === this.nl(e.batchId, "removed")), this.Sr.shift();\n        var r = this.Xh;\n        return yr.forEach(e.mutations, (function(i) {\n            var o = new Lo(i.key, e.batchId);\n            return r = r.delete(o), n.No.Go(t, i.key);\n        })).next((function() {\n            n.Xh = r;\n        }));\n    }, t.prototype.Ko = function(t) {\n        // No-op since the memory mutation queue does not maintain a separate cache.\n    }, t.prototype.Ho = function(t, e) {\n        var n = new Lo(e, 0), r = this.Xh.$t(n);\n        return yr.resolve(e.isEqual(r && r.key));\n    }, t.prototype.zo = function(t) {\n        return this.Sr.length, yr.resolve();\n    }, \n    /**\n     * Finds the index of the given batchId in the mutation queue and asserts that\n     * the resulting index is within the bounds of the queue.\n     *\n     * @param batchId The batchId to search for\n     * @param action A description of what the caller is doing, phrased in passive\n     * form (e.g. "acknowledged" in a routine that acknowledges batches).\n     */\n    t.prototype.nl = function(t, e) {\n        return this.tl(t);\n    }, \n    /**\n     * Finds the index of the given batchId in the mutation queue. This operation\n     * is O(1).\n     *\n     * @return The computed index of the batch with the given batchId, based on\n     * the state of the queue. Note this index can be negative if the requested\n     * batchId has already been remvoed from the queue or past the end of the\n     * queue if the batchId is larger than the last added batch.\n     */\n    t.prototype.tl = function(t) {\n        return 0 === this.Sr.length ? 0 : t - this.Sr[0].batchId;\n        // Examine the front of the queue to figure out the difference between the\n        // batchId and indexes in the array. Note that since the queue is ordered\n        // by batchId, if the first batch has a larger batchId then the requested\n        // batchId doesn\'t exist in the queue.\n        }, \n    /**\n     * A version of lookupMutationBatch that doesn\'t return a promise, this makes\n     * other functions that uses this code easier to read and more efficent.\n     */\n    t.prototype.Zh = function(t) {\n        var e = this.tl(t);\n        return e < 0 || e >= this.Sr.length ? null : this.Sr[e];\n    }, t;\n}(), $s = /** @class */ function() {\n    /**\n     * @param sizer Used to assess the size of a document. For eager GC, this is expected to just\n     * return 0 to avoid unnecessarily doing the work of calculating the size.\n     */\n    function t(t, e) {\n        this.Dr = t, this.sl = e, \n        /** Underlying cache of documents and their read times. */\n        this.docs = new bt(A.i), \n        /** Size of all cached documents. */\n        this.size = 0\n        /**\n     * Adds the supplied entry to the cache and updates the cache size as appropriate.\n     *\n     * All calls of `addEntry`  are required to go through the RemoteDocumentChangeBuffer\n     * returned by `newChangeBuffer()`.\n     */;\n    }\n    return t.prototype.Er = function(t, e, n) {\n        var r = e.key, i = this.docs.get(r), o = i ? i.size : 0, s = this.sl(e);\n        return this.docs = this.docs.ot(r, {\n            ta: e,\n            size: s,\n            readTime: n\n        }), this.size += s - o, this.Dr.Mo(t, r.path.h());\n    }, \n    /**\n     * Removes the specified entry from the cache and updates the cache size as appropriate.\n     *\n     * All calls of `removeEntry` are required to go through the RemoteDocumentChangeBuffer\n     * returned by `newChangeBuffer()`.\n     */\n    t.prototype.Ar = function(t) {\n        var e = this.docs.get(t);\n        e && (this.docs = this.docs.remove(t), this.size -= e.size);\n    }, t.prototype.Rr = function(t, e) {\n        var n = this.docs.get(e);\n        return yr.resolve(n ? n.ta : null);\n    }, t.prototype.getEntries = function(t, e) {\n        var n = this, r = Dt();\n        return e.forEach((function(t) {\n            var e = n.docs.get(t);\n            r = r.ot(t, e ? e.ta : null);\n        })), yr.resolve(r);\n    }, t.prototype.Lr = function(t, e, n) {\n        for (var r = Lt(), i = new A(e.path.child("")), o = this.docs.ft(i)\n        // Documents are ordered by key, so we can use a prefix scan to narrow down\n        // the documents we need to match the query against.\n        ; o.At(); ) {\n            var s = o.It(), u = s.key, a = s.value, c = a.ta, h = a.readTime;\n            if (!e.path.T(u.path)) break;\n            h.L(n) <= 0 || c instanceof kn && $n(e, c) && (r = r.ot(c.key, c));\n        }\n        return yr.resolve(r);\n    }, t.prototype.il = function(t, e) {\n        return yr.forEach(this.docs, (function(t) {\n            return e(t);\n        }));\n    }, t.prototype.ra = function(t) {\n        // `trackRemovals` is ignores since the MemoryRemoteDocumentCache keeps\n        // a separate changelog and does not need special handling for removals.\n        return new Xs(this);\n    }, t.prototype.aa = function(t) {\n        return yr.resolve(this.size);\n    }, t;\n}(), Xs = /** @class */ function(e) {\n    function n(t) {\n        var n = this;\n        return (n = e.call(this) || this).ca = t, n;\n    }\n    return t.__extends(n, e), n.prototype.yr = function(t) {\n        var e = this, n = [];\n        return this.wr.forEach((function(r, i) {\n            i ? n.push(e.ca.Er(t, i, e.readTime)) : e.ca.Ar(r);\n        })), yr.$n(n);\n    }, n.prototype.gr = function(t, e) {\n        return this.ca.Rr(t, e);\n    }, n.prototype.Pr = function(t, e) {\n        return this.ca.getEntries(t, e);\n    }, n;\n}(Zr), Js = /** @class */ function() {\n    function t(t) {\n        this.persistence = t, \n        /**\n             * Maps a target to the data about that target\n             */\n        this.rl = new it((function(t) {\n            return lt(t);\n        }), pt), \n        /** The last received snapshot version. */\n        this.lastRemoteSnapshotVersion = st.min(), \n        /** The highest numbered target ID encountered. */\n        this.highestTargetId = 0, \n        /** The highest sequence number encountered. */\n        this.ol = 0, \n        /**\n             * A ordered bidirectional mapping between documents and the remote target\n             * IDs.\n             */\n        this.al = new xo, this.targetCount = 0, this.cl = ro.fa();\n    }\n    return t.prototype.Ce = function(t, e) {\n        return this.rl.forEach((function(t, n) {\n            return e(n);\n        })), yr.resolve();\n    }, t.prototype.Ea = function(t) {\n        return yr.resolve(this.lastRemoteSnapshotVersion);\n    }, t.prototype.Ia = function(t) {\n        return yr.resolve(this.ol);\n    }, t.prototype.wa = function(t) {\n        return this.highestTargetId = this.cl.next(), yr.resolve(this.highestTargetId);\n    }, t.prototype.Aa = function(t, e, n) {\n        return n && (this.lastRemoteSnapshotVersion = n), e > this.ol && (this.ol = e), \n        yr.resolve();\n    }, t.prototype.ga = function(t) {\n        this.rl.set(t.target, t);\n        var e = t.targetId;\n        e > this.highestTargetId && (this.cl = new ro(e), this.highestTargetId = e), t.sequenceNumber > this.ol && (this.ol = t.sequenceNumber);\n    }, t.prototype.Ra = function(t, e) {\n        return this.ga(e), this.targetCount += 1, yr.resolve();\n    }, t.prototype.ya = function(t, e) {\n        return this.ga(e), yr.resolve();\n    }, t.prototype.Va = function(t, e) {\n        return this.rl.delete(e.target), this.al.Uc(e.targetId), this.targetCount -= 1, \n        yr.resolve();\n    }, t.prototype.po = function(t, e, n) {\n        var r = this, i = 0, o = [];\n        return this.rl.forEach((function(s, u) {\n            u.sequenceNumber <= e && null === n.get(u.targetId) && (r.rl.delete(s), o.push(r.pa(t, u.targetId)), \n            i++);\n        })), yr.$n(o).next((function() {\n            return i;\n        }));\n    }, t.prototype.ba = function(t) {\n        return yr.resolve(this.targetCount);\n    }, t.prototype.va = function(t, e) {\n        var n = this.rl.get(e) || null;\n        return yr.resolve(n);\n    }, t.prototype.Sa = function(t, e, n) {\n        return this.al.Lc(e, n), yr.resolve();\n    }, t.prototype.Ca = function(t, e, n) {\n        this.al.qc(e, n);\n        var r = this.persistence.No, i = [];\n        return r && e.forEach((function(e) {\n            i.push(r.Go(t, e));\n        })), yr.$n(i);\n    }, t.prototype.pa = function(t, e) {\n        return this.al.Uc(e), yr.resolve();\n    }, t.prototype.Fa = function(t, e) {\n        var n = this.al.Wc(e);\n        return yr.resolve(n);\n    }, t.prototype.Ho = function(t, e) {\n        return yr.resolve(this.al.Ho(e));\n    }, t;\n}(), Zs = /** @class */ function() {\n    /**\n     * The constructor accepts a factory for creating a reference delegate. This\n     * allows both the delegate and this instance to have strong references to\n     * each other without having nullable fields that would then need to be\n     * checked or asserted on every access.\n     */\n    function t(t) {\n        var e = this;\n        this.ul = {}, this.Ma = new qr(0), this.Oa = !1, this.Oa = !0, this.No = t(this), \n        this.Ka = new Js(this), this.Dr = new Ui, this.vr = function(t, n) {\n            return new $s(t, (function(t) {\n                return e.No.hl(t);\n            }));\n        }(this.Dr);\n    }\n    return t.prototype.start = function() {\n        return Promise.resolve();\n    }, t.prototype.Di = function() {\n        // No durable state to ensure is closed on shutdown.\n        return this.Oa = !1, Promise.resolve();\n    }, Object.defineProperty(t.prototype, "Ei", {\n        get: function() {\n            return this.Oa;\n        },\n        enumerable: !1,\n        configurable: !0\n    }), t.prototype.Za = function() {\n        // No op.\n    }, t.prototype.tc = function() {\n        // No op.\n    }, t.prototype.Ic = function() {\n        return this.Dr;\n    }, t.prototype.mc = function(t) {\n        var e = this.ul[t.ti()];\n        return e || (e = new Ys(this.Dr, this.No), this.ul[t.ti()] = e), e;\n    }, t.prototype.Tc = function() {\n        return this.Ka;\n    }, t.prototype.Ec = function() {\n        return this.vr;\n    }, t.prototype.runTransaction = function(t, e, n) {\n        var r = this;\n        l("MemoryPersistence", "Starting transaction:", t);\n        var i = new tu(this.Ma.next());\n        return this.No.ll(), n(i).next((function(t) {\n            return r.No._l(i).next((function() {\n                return t;\n            }));\n        })).Fn().then((function(t) {\n            return i.br(), t;\n        }));\n    }, t.prototype.fl = function(t, e) {\n        return yr.kn(Object.values(this.ul).map((function(n) {\n            return function() {\n                return n.Ho(t, e);\n            };\n        })));\n    }, t;\n}(), tu = /** @class */ function(e) {\n    function n(t) {\n        var n = this;\n        return (n = e.call(this) || this).xa = t, n;\n    }\n    return t.__extends(n, e), n;\n}(ei), eu = /** @class */ function() {\n    function t(t) {\n        this.persistence = t, \n        /** Tracks all documents that are active in Query views. */\n        this.dl = new xo, \n        /** The list of documents that are potentially GCed after each transaction. */\n        this.wl = null;\n    }\n    return t.ml = function(e) {\n        return new t(e);\n    }, Object.defineProperty(t.prototype, "Tl", {\n        get: function() {\n            if (this.wl) return this.wl;\n            throw y();\n        },\n        enumerable: !1,\n        configurable: !0\n    }), t.prototype.Da = function(t, e, n) {\n        return this.dl.Da(n, e), this.Tl.delete(n.toString()), yr.resolve();\n    }, t.prototype.Na = function(t, e, n) {\n        return this.dl.Na(n, e), this.Tl.add(n.toString()), yr.resolve();\n    }, t.prototype.Go = function(t, e) {\n        return this.Tl.add(e.toString()), yr.resolve();\n    }, t.prototype.removeTarget = function(t, e) {\n        var n = this;\n        this.dl.Uc(e.targetId).forEach((function(t) {\n            return n.Tl.add(t.toString());\n        }));\n        var r = this.persistence.Tc();\n        return r.Fa(t, e.targetId).next((function(t) {\n            t.forEach((function(t) {\n                return n.Tl.add(t.toString());\n            }));\n        })).next((function() {\n            return r.Va(t, e);\n        }));\n    }, t.prototype.ll = function() {\n        this.wl = new Set;\n    }, t.prototype._l = function(t) {\n        var e = this, n = this.persistence.Ec().ra();\n        // Remove newly orphaned documents.\n                return yr.forEach(this.Tl, (function(r) {\n            var i = A.D(r);\n            return e.El(t, i).next((function(t) {\n                t || n.Ar(i);\n            }));\n        })).next((function() {\n            return e.wl = null, n.apply(t);\n        }));\n    }, t.prototype.yc = function(t, e) {\n        var n = this;\n        return this.El(t, e).next((function(t) {\n            t ? n.Tl.delete(e.toString()) : n.Tl.add(e.toString());\n        }));\n    }, t.prototype.hl = function(t) {\n        // For eager GC, we don\'t care about the document size, there are no size thresholds.\n        return 0;\n    }, t.prototype.El = function(t, e) {\n        var n = this;\n        return yr.kn([ function() {\n            return yr.resolve(n.dl.Ho(e));\n        }, function() {\n            return n.persistence.Tc().Ho(t, e);\n        }, function() {\n            return n.persistence.fl(t, e);\n        } ]);\n    }, t;\n}(), nu = /** @class */ function() {\n    function t(t) {\n        this.Il = t.Il, this.Al = t.Al;\n    }\n    return t.prototype.gu = function(t) {\n        this.Rl = t;\n    }, t.prototype.Tu = function(t) {\n        this.gl = t;\n    }, t.prototype.onMessage = function(t) {\n        this.Pl = t;\n    }, t.prototype.close = function() {\n        this.Al();\n    }, t.prototype.send = function(t) {\n        this.Il(t);\n    }, t.prototype.yl = function() {\n        this.Rl();\n    }, t.prototype.Vl = function(t) {\n        this.gl(t);\n    }, t.prototype.pl = function(t) {\n        this.Pl(t);\n    }, t;\n}(), ru = {\n    BatchGetDocuments: "batchGet",\n    Commit: "commit",\n    RunQuery: "runQuery"\n}, iu = /** @class */ function(e) {\n    function n(t) {\n        var n = this;\n        return (n = e.call(this, t) || this).forceLongPolling = t.forceLongPolling, n.W = t.W, \n        n;\n    }\n    /**\n     * Base class for all Rest-based connections to the backend (WebChannel and\n     * HTTP).\n     */\n    return t.__extends(n, e), n.prototype.Nl = function(t, e, n, r) {\n        return new Promise((function(o, s) {\n            var u = new i.XhrIo;\n            u.listenOnce(i.EventType.COMPLETE, (function() {\n                try {\n                    switch (u.getLastErrorCode()) {\n                      case i.ErrorCode.NO_ERROR:\n                        var e = u.getResponseJson();\n                        l("Connection", "XHR received:", JSON.stringify(e)), o(e);\n                        break;\n\n                      case i.ErrorCode.TIMEOUT:\n                        l("Connection", \'RPC "\' + t + \'" timed out\'), s(new c(a.DEADLINE_EXCEEDED, "Request time out"));\n                        break;\n\n                      case i.ErrorCode.HTTP_ERROR:\n                        var n = u.getStatus();\n                        if (l("Connection", \'RPC "\' + t + \'" failed with status:\', n, "response text:", u.getResponseText()), \n                        n > 0) {\n                            var r = u.getResponseJson().error;\n                            if (r && r.status && r.message) {\n                                var h = function(t) {\n                                    var e = t.toLowerCase().replace("_", "-");\n                                    return Object.values(a).indexOf(e) >= 0 ? e : a.UNKNOWN;\n                                }(r.status);\n                                s(new c(h, r.message));\n                            } else s(new c(a.UNKNOWN, "Server responded with status " + u.getStatus()));\n                        } else \n                        // If we received an HTTP_ERROR but there\'s no status code,\n                        // it\'s most probably a connection issue\n                        s(new c(a.UNAVAILABLE, "Connection failed."));\n                        break;\n\n                      default:\n                        y();\n                    }\n                } finally {\n                    l("Connection", \'RPC "\' + t + \'" completed.\');\n                }\n            }));\n            var h = JSON.stringify(r);\n            u.send(e, "POST", h, n, 15);\n        }));\n    }, n.prototype.Pu = function(t, e) {\n        var n = [ this.vl, "/", "google.firestore.v1.Firestore", "/", t, "/channel" ], o = i.createWebChannelTransport(), s = {\n            // Required for backend stickiness, routing behavior is based on this\n            // parameter.\n            httpSessionIdParam: "gsessionid",\n            initMessageHeaders: {},\n            messageUrlParams: {\n                // This param is used to improve routing and project isolation by the\n                // backend and must be included in every request.\n                database: "projects/" + this.U.projectId + "/databases/" + this.U.database\n            },\n            sendRawJson: !0,\n            supportsCrossDomainXhr: !0,\n            internalChannelParams: {\n                // Override the default timeout (randomized between 10-20 seconds) since\n                // a large write batch on a slow internet connection may take a long\n                // time to send to the backend. Rather than have WebChannel impose a\n                // tight timeout which could lead to infinite timeouts and retries, we\n                // set it very large (5-10 minutes) and rely on the browser\'s builtin\n                // timeouts to kick in if the request isn\'t working.\n                forwardChannelRequestTimeoutMs: 6e5\n            },\n            forceLongPolling: this.forceLongPolling,\n            detectBufferingProxy: this.W\n        };\n        this.Cl(s.initMessageHeaders, e), \n        // Sending the custom headers we just added to request.initMessageHeaders\n        // (Authorization, etc.) will trigger the browser to make a CORS preflight\n        // request because the XHR will no longer meet the criteria for a "simple"\n        // CORS request:\n        // https://developer.mozilla.org/en-US/docs/Web/HTTP/CORS#Simple_requests\n        // Therefore to avoid the CORS preflight request (an extra network\n        // roundtrip), we use the httpHeadersOverwriteParam option to specify that\n        // the headers should instead be encoded into a special "$httpHeaders" query\n        // parameter, which is recognized by the webchannel backend. This is\n        // formally defined here:\n        // https://github.com/google/closure-library/blob/b0e1815b13fb92a46d7c9b3c30de5d6a396a3245/closure/goog/net/rpc/httpcors.js#L32\n        // TODO(b/145624756): There is a backend bug where $httpHeaders isn\'t respected if the request\n        // doesn\'t have an Origin header. So we have to exclude a few browser environments that are\n        // known to (sometimes) not include an Origin. See\n        // https://github.com/firebase/firebase-js-sdk/issues/1491.\n        r.isMobileCordova() || r.isReactNative() || r.isElectron() || r.isIE() || r.isUWP() || r.isBrowserExtension() || (s.httpHeadersOverwriteParam = "$httpHeaders");\n        var u = n.join("");\n        l("Connection", "Creating WebChannel: " + u, s);\n        var h = o.createWebChannel(u, s), f = !1, p = !1, v = new nu({\n            Il: function(t) {\n                p ? l("Connection", "Not sending because WebChannel is closed:", t) : (f || (l("Connection", "Opening WebChannel transport."), \n                h.open(), f = !0), l("Connection", "WebChannel sending:", t), h.send(t));\n            },\n            Al: function() {\n                return h.close();\n            }\n        }), y = function(t, e) {\n            // TODO(dimond): closure typing seems broken because WebChannel does\n            // not implement goog.events.Listenable\n            h.listen(t, (function(t) {\n                try {\n                    e(t);\n                } catch (t) {\n                    setTimeout((function() {\n                        throw t;\n                    }), 0);\n                }\n            }));\n        };\n        // WebChannel supports sending the first message with the handshake - saving\n        // a network round trip. However, it will have to call send in the same\n        // JS event loop as open. In order to enforce this, we delay actually\n        // opening the WebChannel until send is called. Whether we have called\n        // open is tracked with this variable.\n                // Closure events are guarded and exceptions are swallowed, so catch any\n        // exception and rethrow using a setTimeout so they become visible again.\n        // Note that eventually this function could go away if we are confident\n        // enough the code is exception free.\n        return y(i.WebChannel.EventType.OPEN, (function() {\n            p || l("Connection", "WebChannel transport opened.");\n        })), y(i.WebChannel.EventType.CLOSE, (function() {\n            p || (p = !0, l("Connection", "WebChannel transport closed"), v.Vl());\n        })), y(i.WebChannel.EventType.ERROR, (function(t) {\n            p || (p = !0, d("Connection", "WebChannel transport errored:", t), v.Vl(new c(a.UNAVAILABLE, "The operation could not be completed")));\n        })), y(i.WebChannel.EventType.MESSAGE, (function(t) {\n            var e;\n            if (!p) {\n                var n = t.data[0];\n                g(!!n);\n                // TODO(b/35143891): There is a bug in One Platform that caused errors\n                // (and only errors) to be wrapped in an extra array. To be forward\n                // compatible with the bug we need to check either condition. The latter\n                // can be removed once the fix has been rolled out.\n                // Use any because msgData.error is not typed.\n                var r = n, i = r.error || (null === (e = r[0]) || void 0 === e ? void 0 : e.error);\n                if (i) {\n                    l("Connection", "WebChannel received error:", i);\n                    // error.status will be a string like \'OK\' or \'NOT_FOUND\'.\n                    var o = i.status, s = function(t) {\n                        // lookup by string\n                        // eslint-disable-next-line @typescript-eslint/no-explicit-any\n                        var e = vt[t];\n                        if (void 0 !== e) return _t(e);\n                    }(o), u = i.message;\n                    void 0 === s && (s = a.INTERNAL, u = "Unknown error status: " + o + " with message " + i.message), \n                    // Mark closed so no further events are propagated\n                    p = !0, v.Vl(new c(s, u)), h.close();\n                } else l("Connection", "WebChannel received:", n), v.pl(n);\n            }\n        })), setTimeout((function() {\n            // Technically we could/should wait for the WebChannel opened event,\n            // but because we want to send the first message with the WebChannel\n            // handshake we pretend the channel opened here (asynchronously), and\n            // then delay the actual open until the first message is sent.\n            v.yl();\n        }), 0), v;\n    }, n;\n}(/** @class */ function() {\n    function t(t) {\n        this.bl = t, this.U = t.U;\n        var e = t.ssl ? "https" : "http";\n        this.vl = e + "://" + t.host, this.Sl = "projects/" + this.U.projectId + "/databases/" + this.U.database + "/documents";\n    }\n    return t.prototype.$u = function(t, e, n, r) {\n        var i = this.Dl(t, e);\n        l("RestConnection", "Sending: ", i, n);\n        var o = {};\n        return this.Cl(o, r), this.Nl(t, i, o, n).then((function(t) {\n            return l("RestConnection", "Received: ", t), t;\n        }), (function(e) {\n            throw d("RestConnection", t + " failed with error: ", e, "url: ", i, "request:", n), \n            e;\n        }));\n    }, t.prototype.ku = function(t, e, n, r) {\n        // The REST API automatically aggregates all of the streamed results, so we\n        // can just use the normal invoke() method.\n        return this.$u(t, e, n, r);\n    }, \n    /**\n     * Modifies the headers for a request, adding any authorization token if\n     * present and any additional headers for the request.\n     */\n    t.prototype.Cl = function(t, e) {\n        if (t["X-Goog-Api-Client"] = "gl-js/ fire/7.24.0", \n        // Content-Type: text/plain will avoid preflight requests which might\n        // mess with CORS and redirects by proxies. If we add custom headers\n        // we will need to change this code to potentially use the $httpOverwrite\n        // parameter supported by ESF to avoid triggering preflight requests.\n        t["Content-Type"] = "text/plain", e) for (var n in e.Kc) e.Kc.hasOwnProperty(n) && (t[n] = e.Kc[n]);\n    }, t.prototype.Dl = function(t, e) {\n        var n = ru[t];\n        return this.vl + "/v1/" + e + ":" + n;\n    }, t;\n}()), ou = /** @class */ function() {\n    function t() {\n        var t = this;\n        this.Fl = function() {\n            return t.xl();\n        }, this.$l = function() {\n            return t.kl();\n        }, this.Ml = [], this.Ol();\n    }\n    return t.prototype.Zu = function(t) {\n        this.Ml.push(t);\n    }, t.prototype.Di = function() {\n        window.removeEventListener("online", this.Fl), window.removeEventListener("offline", this.$l);\n    }, t.prototype.Ol = function() {\n        window.addEventListener("online", this.Fl), window.addEventListener("offline", this.$l);\n    }, t.prototype.xl = function() {\n        l("ConnectivityMonitor", "Network connectivity changed: AVAILABLE");\n        for (var t = 0, e = this.Ml; t < e.length; t++) {\n            (0, e[t])(0 /* AVAILABLE */);\n        }\n    }, t.prototype.kl = function() {\n        l("ConnectivityMonitor", "Network connectivity changed: UNAVAILABLE");\n        for (var t = 0, e = this.Ml; t < e.length; t++) {\n            (0, e[t])(1 /* UNAVAILABLE */);\n        }\n    }, \n    // TODO(chenbrian): Consider passing in window either into this component or\n    // here for testing via FakeWindow.\n    /** Checks that all used attributes of window are available. */\n    t.Ln = function() {\n        return "undefined" != typeof window && void 0 !== window.addEventListener && void 0 !== window.removeEventListener;\n    }, t;\n}(), su = /** @class */ function() {\n    function t() {}\n    return t.prototype.Zu = function(t) {\n        // No-op.\n    }, t.prototype.Di = function() {\n        // No-op.\n    }, t;\n}();\n\n/**\n * @license\n * Copyright 2017 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the "License");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an "AS IS" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/**\n * @license\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the "License");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an "AS IS" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/** Initializes the WebChannelConnection for the browser. */\n/**\n * @license\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the "License");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an "AS IS" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\nfunction uu(t) {\n    return new ye(t, /* useProto3Json= */ !0);\n}\n\n/**\n * @license\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the "License");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an "AS IS" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */ var au = "You are using the memory-only build of Firestore. Persistence support is only available via the @firebase/firestore bundle or the firebase-firestore.js build.", cu = /** @class */ function() {\n    function e() {}\n    return e.prototype.initialize = function(e) {\n        return t.__awaiter(this, void 0, void 0, (function() {\n            return t.__generator(this, (function(t) {\n                switch (t.label) {\n                  case 0:\n                    return this.Sh = this.Ll(e), this.persistence = this.Bl(e), [ 4 /*yield*/ , this.persistence.start() ];\n\n                  case 1:\n                    return t.sent(), this.ql = this.Ul(e), this.ju = this.Ql(e), [ 2 /*return*/ ];\n                }\n            }));\n        }));\n    }, e.prototype.Ul = function(t) {\n        return null;\n    }, e.prototype.Ql = function(t) {\n        /** Manages our in-memory or durable persistence. */\n        return e = this.persistence, n = new Hs, r = t.Wl, new go(e, n, r);\n        var e, n, r;\n    }, e.prototype.Bl = function(t) {\n        if (t.persistenceSettings.jl) throw new c(a.FAILED_PRECONDITION, au);\n        return new Zs(eu.ml);\n    }, e.prototype.Ll = function(t) {\n        return new $r;\n    }, e.prototype.terminate = function() {\n        return t.__awaiter(this, void 0, void 0, (function() {\n            return t.__generator(this, (function(t) {\n                switch (t.label) {\n                  case 0:\n                    return this.ql && this.ql.stop(), [ 4 /*yield*/ , this.Sh.Di() ];\n\n                  case 1:\n                    return t.sent(), [ 4 /*yield*/ , this.persistence.Di() ];\n\n                  case 2:\n                    return t.sent(), [ 2 /*return*/ ];\n                }\n            }));\n        }));\n    }, e.prototype.clearPersistence = function(t, e) {\n        throw new c(a.FAILED_PRECONDITION, au);\n    }, e;\n}(), hu = /** @class */ function(e) {\n    function n() {\n        return null !== e && e.apply(this, arguments) || this;\n    }\n    return t.__extends(n, e), n.prototype.initialize = function(n) {\n        return t.__awaiter(this, void 0, void 0, (function() {\n            var r, i = this;\n            return t.__generator(this, (function(o) {\n                switch (o.label) {\n                  case 0:\n                    return [ 4 /*yield*/ , e.prototype.initialize.call(this, n) ];\n\n                  case 1:\n                    return o.sent(), r = this.Kl.fi, this.Sh instanceof Yr ? (this.Sh.fi = {\n                        er: Ms.bind(null, r),\n                        nr: Bs.bind(null, r),\n                        sr: Ws.bind(null, r),\n                        pi: zs.bind(null, r)\n                    }, [ 4 /*yield*/ , this.Sh.start() ]) : [ 3 /*break*/ , 3 ];\n\n                  case 2:\n                    o.sent(), o.label = 3;\n\n                  case 3:\n                    // NOTE: This will immediately call the listener, so we make sure to\n                    // set it after localStore / remoteStore are started.\n                    return [ 4 /*yield*/ , this.persistence.Xa((function(e) {\n                        return t.__awaiter(i, void 0, void 0, (function() {\n                            return t.__generator(this, (function(t) {\n                                switch (t.label) {\n                                  case 0:\n                                    return [ 4 /*yield*/ , qs(this.Kl.fi, e) ];\n\n                                  case 1:\n                                    return t.sent(), this.ql && (e && !this.ql.Ei ? this.ql.start(this.ju) : e || this.ql.stop()), \n                                    [ 2 /*return*/ ];\n                                }\n                            }));\n                        }));\n                    })) ];\n\n                  case 4:\n                    // NOTE: This will immediately call the listener, so we make sure to\n                    // set it after localStore / remoteStore are started.\n                    return o.sent(), [ 2 /*return*/ ];\n                }\n            }));\n        }));\n    }, n.prototype.Ll = function(t) {\n        if (t.persistenceSettings.jl && t.persistenceSettings.synchronizeTabs) {\n            var e = Ar();\n            if (!Yr.Ln(e)) throw new c(a.UNIMPLEMENTED, "IndexedDB persistence is only available on platforms that support LocalStorage.");\n            var n = yo(t.bl.U, t.bl.persistenceKey);\n            return new Yr(e, t.cs, n, t.clientId, t.Wl);\n        }\n        return new $r;\n    }, n;\n}(/** @class */ function(e) {\n    function n(t) {\n        var n = this;\n        return (n = e.call(this) || this).Kl = t, n;\n    }\n    return t.__extends(n, e), n.prototype.initialize = function(n) {\n        return t.__awaiter(this, void 0, void 0, (function() {\n            return t.__generator(this, (function(t) {\n                switch (t.label) {\n                  case 0:\n                    return [ 4 /*yield*/ , e.prototype.initialize.call(this, n) ];\n\n                  case 1:\n                    return t.sent(), [ 4 /*yield*/ , So(this.ju) ];\n\n                  case 2:\n                    return t.sent(), [ 4 /*yield*/ , this.Kl.initialize(this, n) ];\n\n                  case 3:\n                    // Enqueue writes from a previous session\n                    return t.sent(), [ 4 /*yield*/ , Qs(this.Kl.fi) ];\n\n                  case 4:\n                    // Enqueue writes from a previous session\n                    return t.sent(), [ 4 /*yield*/ , is(this.Kl.ph) ];\n\n                  case 5:\n                    return t.sent(), [ 2 /*return*/ ];\n                }\n            }));\n        }));\n    }, n.prototype.Ul = function(t) {\n        var e = this.persistence.No.wo;\n        return new ai(e, t.cs);\n    }, n.prototype.Bl = function(t) {\n        var e = yo(t.bl.U, t.bl.persistenceKey), n = uu(t.bl.U);\n        return new ho(t.persistenceSettings.synchronizeTabs, e, t.clientId, ui.ao(t.persistenceSettings.cacheSizeBytes), t.cs, Ar(), Sr(), n, this.Sh, t.persistenceSettings.ka);\n    }, n.prototype.Ll = function(t) {\n        return new $r;\n    }, n.prototype.clearPersistence = function(e, n) {\n        return function(e) {\n            return t.__awaiter(this, void 0, void 0, (function() {\n                var n;\n                return t.__generator(this, (function(t) {\n                    switch (t.label) {\n                      case 0:\n                        return gr.Ln() ? (n = e + "main", [ 4 /*yield*/ , gr.delete(n) ]) : [ 2 /*return*/ , Promise.resolve() ];\n\n                      case 1:\n                        return t.sent(), [ 2 /*return*/ ];\n                    }\n                }));\n            }));\n        }(yo(e, n));\n    }, n;\n}(cu)), fu = /** @class */ function() {\n    function e() {}\n    return e.prototype.initialize = function(e, n) {\n        return t.__awaiter(this, void 0, void 0, (function() {\n            var r = this;\n            return t.__generator(this, (function(t) {\n                switch (t.label) {\n                  case 0:\n                    return this.ju ? [ 3 /*break*/ , 2 ] : (this.ju = e.ju, this.Sh = e.Sh, this.Ku = this.Gl(n), \n                    this.ph = this.zl(n), this.bh = this.Hl(n), this.fi = this.Yl(n), this.Sh.di = function(t) {\n                        return Ts(r.fi, t, 1 /* SharedClientState */);\n                    }, this.ph.Gu.Jl = Us.bind(null, this.fi), [ 4 /*yield*/ , fs(this.ph, this.fi.Uh) ]);\n\n                  case 1:\n                    t.sent(), t.label = 2;\n\n                  case 2:\n                    return [ 2 /*return*/ ];\n                }\n            }));\n        }));\n    }, e.prototype.Hl = function(t) {\n        return new Rr;\n    }, e.prototype.Gl = function(t) {\n        var e, n = uu(t.bl.U), r = (e = t.bl, new iu(e));\n        /** Return the Platform-specific connectivity monitor. */ return function(t, e, n) {\n            return new Mo(t, e, n);\n        }(t.credentials, r, n);\n    }, e.prototype.zl = function(t) {\n        var e, n, r, i, o, s = this;\n        return e = this.ju, n = this.Ku, r = t.cs, i = function(t) {\n            return Ts(s.fi, t, 0 /* RemoteStore */);\n        }, o = ou.Ln() ? new ou : new su, new jo(e, n, r, i, o);\n    }, e.prototype.Yl = function(t) {\n        return function(t, e, n, \n        // PORTING NOTE: Manages state synchronization in multi-tab environments.\n        r, i, o, s) {\n            var u = new ws(t, e, n, r, i, o);\n            return s && (u.qh = !0), u;\n        }(this.ju, this.ph, this.bh, this.Sh, t.Wl, t.Dh, !t.persistenceSettings.jl || !t.persistenceSettings.synchronizeTabs);\n    }, e.prototype.terminate = function() {\n        return Bo(this.ph);\n    }, e;\n}(), lu = /** @class */ function() {\n    function t(t) {\n        this.observer = t, \n        /**\n             * When set to true, will not raise future events. Necessary to deal with\n             * async detachment of listener.\n             */\n        this.muted = !1;\n    }\n    return t.prototype.next = function(t) {\n        this.observer.next && this.Xl(this.observer.next, t);\n    }, t.prototype.error = function(t) {\n        this.observer.error ? this.Xl(this.observer.error, t) : console.error("Uncaught Error in snapshot listener:", t);\n    }, t.prototype.Zl = function() {\n        this.muted = !0;\n    }, t.prototype.Xl = function(t, e) {\n        var n = this;\n        this.muted || setTimeout((function() {\n            n.muted || t(e);\n        }), 0);\n    }, t;\n}(), pu = function(t) {\n    !function(t, e, n, r) {\n        if (!(e instanceof Array) || e.length < 1) throw new c(a.INVALID_ARGUMENT, "Function FieldPath() requires its fieldNames argument to be an array with at least " + W(1, "element") + ".");\n    }(0, t);\n    for (var e = 0; e < t.length; ++e) if (k("FieldPath", "string", e, t[e]), 0 === t[e].length) throw new c(a.INVALID_ARGUMENT, "Invalid field name at argument $(i + 1). Field names must not be empty.");\n    this.t_ = new N(t);\n}, du = /** @class */ function(e) {\n    /**\n     * Creates a FieldPath from the provided field names. If more than one field\n     * name is provided, the path will point to a nested field in a document.\n     *\n     * @param fieldNames A list of field names.\n     */\n    function n() {\n        for (var t = [], n = 0; n < arguments.length; n++) t[n] = arguments[n];\n        return e.call(this, t) || this;\n    }\n    return t.__extends(n, e), n.documentId = function() {\n        /**\n         * Internal Note: The backend doesn\'t technically support querying by\n         * document ID. Instead it queries by the entire document name (full path\n         * included), but in the cases we currently support documentId(), the net\n         * effect is the same.\n         */\n        return new n(N.v().R());\n    }, n.prototype.isEqual = function(t) {\n        if (!(t instanceof n)) throw G("isEqual", "FieldPath", 1, t);\n        return this.t_.isEqual(t.t_);\n    }, n;\n}(pu), vu = new RegExp("[~\\\\*/\\\\[\\\\]]"), yu = \n/**\n     * @param _methodName The public API endpoint that returns this class.\n     */\nfunction(t) {\n    this.e_ = t;\n}, gu = /** @class */ function(e) {\n    function n() {\n        return null !== e && e.apply(this, arguments) || this;\n    }\n    return t.__extends(n, e), n.prototype.n_ = function(t) {\n        if (2 /* MergeSet */ !== t.s_) throw 1 /* Update */ === t.s_ ? t.i_(this.e_ + "() can only appear at the top level of your update data") : t.i_(this.e_ + "() cannot be used with set() unless you pass {merge:true}");\n        // No transform to add for a delete, but we need to add it to our\n        // fieldMask so it gets deleted.\n                return t.We.push(t.path), null;\n    }, n.prototype.isEqual = function(t) {\n        return t instanceof n;\n    }, n;\n}(yu);\n\n/**\n * Provides all components needed for Firestore with in-memory persistence.\n * Uses EagerGC garbage collection.\n */\n/**\n * Creates a child context for parsing SerializableFieldValues.\n *\n * This is different than calling `ParseContext.contextWith` because it keeps\n * the fieldTransforms and fieldMask separate.\n *\n * The created context has its `dataSource` set to `UserDataSource.Argument`.\n * Although these values are used with writes, any elements in these FieldValues\n * are not considered writes since they cannot contain any FieldValue sentinels,\n * etc.\n *\n * @param fieldValue The sentinel FieldValue for which to create a child\n *     context.\n * @param context The parent context.\n * @param arrayElement Whether or not the FieldValue has an array.\n */\nfunction mu(t, e, n) {\n    return new Lu({\n        s_: 3 /* Argument */ ,\n        r_: e.settings.r_,\n        methodName: t.e_,\n        o_: n\n    }, e.U, e.serializer, e.ignoreUndefinedProperties);\n}\n\nvar wu = /** @class */ function(e) {\n    function n() {\n        return null !== e && e.apply(this, arguments) || this;\n    }\n    return t.__extends(n, e), n.prototype.n_ = function(t) {\n        return new cn(t.path, new Ze);\n    }, n.prototype.isEqual = function(t) {\n        return t instanceof n;\n    }, n;\n}(yu), _u = /** @class */ function(e) {\n    function n(t, n) {\n        var r = this;\n        return (r = e.call(this, t) || this).a_ = n, r;\n    }\n    return t.__extends(n, e), n.prototype.n_ = function(t) {\n        var e = mu(this, t, \n        /*array=*/ !0), n = this.a_.map((function(t) {\n            return Uu(t, e);\n        })), r = new tn(n);\n        return new cn(t.path, r);\n    }, n.prototype.isEqual = function(t) {\n        // TODO(mrschmidt): Implement isEquals\n        return this === t;\n    }, n;\n}(yu), bu = /** @class */ function(e) {\n    function n(t, n) {\n        var r = this;\n        return (r = e.call(this, t) || this).a_ = n, r;\n    }\n    return t.__extends(n, e), n.prototype.n_ = function(t) {\n        var e = mu(this, t, \n        /*array=*/ !0), n = this.a_.map((function(t) {\n            return Uu(t, e);\n        })), r = new nn(n);\n        return new cn(t.path, r);\n    }, n.prototype.isEqual = function(t) {\n        // TODO(mrschmidt): Implement isEquals\n        return this === t;\n    }, n;\n}(yu), Iu = /** @class */ function(e) {\n    function n(t, n) {\n        var r = this;\n        return (r = e.call(this, t) || this).c_ = n, r;\n    }\n    return t.__extends(n, e), n.prototype.n_ = function(t) {\n        var e = new on(t.serializer, we(t.serializer, this.c_));\n        return new cn(t.path, e);\n    }, n.prototype.isEqual = function(t) {\n        // TODO(mrschmidt): Implement isEquals\n        return this === t;\n    }, n;\n}(yu), Eu = /** @class */ function() {\n    /**\n     * Creates a new immutable `GeoPoint` object with the provided latitude and\n     * longitude values.\n     * @param latitude The latitude as number between -90 and 90.\n     * @param longitude The longitude as number between -180 and 180.\n     */\n    function t(t, e) {\n        if (D("GeoPoint", arguments, 2), k("GeoPoint", "number", 1, t), k("GeoPoint", "number", 2, e), \n        !isFinite(t) || t < -90 || t > 90) throw new c(a.INVALID_ARGUMENT, "Latitude must be a number between -90 and 90, but was: " + t);\n        if (!isFinite(e) || e < -180 || e > 180) throw new c(a.INVALID_ARGUMENT, "Longitude must be a number between -180 and 180, but was: " + e);\n        this.u_ = t, this.h_ = e;\n    }\n    return Object.defineProperty(t.prototype, "latitude", {\n        /**\n         * The latitude of this `GeoPoint` instance.\n         */\n        get: function() {\n            return this.u_;\n        },\n        enumerable: !1,\n        configurable: !0\n    }), Object.defineProperty(t.prototype, "longitude", {\n        /**\n         * The longitude of this `GeoPoint` instance.\n         */\n        get: function() {\n            return this.h_;\n        },\n        enumerable: !1,\n        configurable: !0\n    }), \n    /**\n     * Returns true if this `GeoPoint` is equal to the provided one.\n     *\n     * @param other The `GeoPoint` to compare against.\n     * @return true if this `GeoPoint` is equal to the provided one.\n     */\n    t.prototype.isEqual = function(t) {\n        return this.u_ === t.u_ && this.h_ === t.h_;\n    }, t.prototype.toJSON = function() {\n        return {\n            latitude: this.u_,\n            longitude: this.h_\n        };\n    }, \n    /**\n     * Actually private to JS consumers of our API, so this function is prefixed\n     * with an underscore.\n     */\n    t.prototype.Y = function(t) {\n        return H(this.u_, t.u_) || H(this.h_, t.h_);\n    }, t;\n}(), Tu = function(t) {\n    this.l_ = t;\n}, Nu = /^__.*__$/, Au = function(t, e, n) {\n    this.__ = t, this.f_ = e, this.d_ = n;\n}, Su = /** @class */ function() {\n    function t(t, e, n) {\n        this.data = t, this.We = e, this.fieldTransforms = n;\n    }\n    return t.prototype.w_ = function(t, e) {\n        var n = [];\n        return null !== this.We ? n.push(new _n(t, this.data, this.We, e)) : n.push(new wn(t, this.data, e)), \n        this.fieldTransforms.length > 0 && n.push(new In(t, this.fieldTransforms)), n;\n    }, t;\n}(), Du = /** @class */ function() {\n    function t(t, e, n) {\n        this.data = t, this.We = e, this.fieldTransforms = n;\n    }\n    return t.prototype.w_ = function(t, e) {\n        var n = [ new _n(t, this.data, this.We, e) ];\n        return this.fieldTransforms.length > 0 && n.push(new In(t, this.fieldTransforms)), \n        n;\n    }, t;\n}();\n\nfunction xu(t) {\n    switch (t) {\n      case 0 /* Set */ :\n // fall through\n              case 2 /* MergeSet */ :\n // fall through\n              case 1 /* Update */ :\n        return !0;\n\n      case 3 /* Argument */ :\n      case 4 /* ArrayArgument */ :\n        return !1;\n\n      default:\n        throw y();\n    }\n}\n\n/** A "context" object passed around while parsing user data. */ var Lu = /** @class */ function() {\n    /**\n     * Initializes a ParseContext with the given source and path.\n     *\n     * @param settings The settings for the parser.\n     * @param databaseId The database ID of the Firestore instance.\n     * @param serializer The serializer to use to generate the Value proto.\n     * @param ignoreUndefinedProperties Whether to ignore undefined properties\n     * rather than throw.\n     * @param fieldTransforms A mutable list of field transforms encountered while\n     *     parsing the data.\n     * @param fieldMask A mutable list of field paths encountered while parsing\n     *     the data.\n     *\n     * TODO(b/34871131): We don\'t support array paths right now, so path can be\n     * null to indicate the context represents any location within an array (in\n     * which case certain features will not work and errors will be somewhat\n     * compromised).\n     */\n    function t(t, e, n, r, i, o) {\n        this.settings = t, this.U = e, this.serializer = n, this.ignoreUndefinedProperties = r, \n        // Minor hack: If fieldTransforms is undefined, we assume this is an\n        // external call and we need to validate the entire path.\n        void 0 === i && this.m_(), this.fieldTransforms = i || [], this.We = o || [];\n    }\n    return Object.defineProperty(t.prototype, "path", {\n        get: function() {\n            return this.settings.path;\n        },\n        enumerable: !1,\n        configurable: !0\n    }), Object.defineProperty(t.prototype, "s_", {\n        get: function() {\n            return this.settings.s_;\n        },\n        enumerable: !1,\n        configurable: !0\n    }), \n    /** Returns a new context with the specified settings overwritten. */ t.prototype.T_ = function(e) {\n        return new t(Object.assign(Object.assign({}, this.settings), e), this.U, this.serializer, this.ignoreUndefinedProperties, this.fieldTransforms, this.We);\n    }, t.prototype.E_ = function(t) {\n        var e, n = null === (e = this.path) || void 0 === e ? void 0 : e.child(t), r = this.T_({\n            path: n,\n            o_: !1\n        });\n        return r.I_(t), r;\n    }, t.prototype.A_ = function(t) {\n        var e, n = null === (e = this.path) || void 0 === e ? void 0 : e.child(t), r = this.T_({\n            path: n,\n            o_: !1\n        });\n        return r.m_(), r;\n    }, t.prototype.R_ = function(t) {\n        // TODO(b/34871131): We don\'t support array paths right now; so make path\n        // undefined.\n        return this.T_({\n            path: void 0,\n            o_: !0\n        });\n    }, t.prototype.i_ = function(t) {\n        return Gu(t, this.settings.methodName, this.settings.g_ || !1, this.path, this.settings.r_);\n    }, \n    /** Returns \'true\' if \'fieldPath\' was traversed when creating this context. */ t.prototype.contains = function(t) {\n        return void 0 !== this.We.find((function(e) {\n            return t.T(e);\n        })) || void 0 !== this.fieldTransforms.find((function(e) {\n            return t.T(e.field);\n        }));\n    }, t.prototype.m_ = function() {\n        // TODO(b/34871131): Remove null check once we have proper paths for fields\n        // within arrays.\n        if (this.path) for (var t = 0; t < this.path.length; t++) this.I_(this.path.get(t));\n    }, t.prototype.I_ = function(t) {\n        if (0 === t.length) throw this.i_("Document fields must not be empty");\n        if (xu(this.s_) && Nu.test(t)) throw this.i_(\'Document fields cannot begin and end with "__"\');\n    }, t;\n}(), ku = /** @class */ function() {\n    function t(t, e, n) {\n        this.U = t, this.ignoreUndefinedProperties = e, this.serializer = n || uu(t)\n        /** Creates a new top-level parse context. */;\n    }\n    return t.prototype.P_ = function(t, e, n, r) {\n        return void 0 === r && (r = !1), new Lu({\n            s_: t,\n            methodName: e,\n            r_: n,\n            path: N.P(),\n            o_: !1,\n            g_: r\n        }, this.U, this.serializer, this.ignoreUndefinedProperties);\n    }, t;\n}();\n\n/**\n * Helper for parsing raw user input (provided via the API) into internal model\n * classes.\n */\n/** Parse document data from a set() call. */ function Ru(t, e, n, r, i, o) {\n    void 0 === o && (o = {});\n    var s = t.P_(o.merge || o.mergeFields ? 2 /* MergeSet */ : 0 /* Set */ , e, n, i);\n    Mu("Data must be an object, but it was:", s, r);\n    var u, h, f = Cu(r, s);\n    if (o.merge) u = new an(s.We), h = s.fieldTransforms; else if (o.mergeFields) {\n        for (var l = [], p = 0, d = o.mergeFields; p < d.length; p++) {\n            var v = d[p], g = void 0;\n            if (v instanceof pu) g = v.t_; else {\n                if ("string" != typeof v) throw y();\n                g = ju(e, v, n);\n            }\n            if (!s.contains(g)) throw new c(a.INVALID_ARGUMENT, "Field \'" + g + "\' is specified in your field mask but missing from your input data.");\n            zu(l, g) || l.push(g);\n        }\n        u = new an(l), h = s.fieldTransforms.filter((function(t) {\n            return u.Ye(t.field);\n        }));\n    } else u = null, h = s.fieldTransforms;\n    return new Su(new Sn(f), u, h);\n}\n\n/** Parse update data from an update() call. */ function Ou(t, e, n, r) {\n    var i = t.P_(1 /* Update */ , e, n);\n    Mu("Data must be an object, but it was:", i, r);\n    var o = [], s = new Dn;\n    _(r, (function(t, r) {\n        var u = ju(e, t, n), a = i.A_(u);\n        if (r instanceof gu || r instanceof Tu && r.l_ instanceof gu) \n        // Add it to the field mask, but don\'t add anything to updateData.\n        o.push(u); else {\n            var c = Uu(r, a);\n            null != c && (o.push(u), s.set(u, c));\n        }\n    }));\n    var u = new an(o);\n    return new Du(s.Xe(), u, i.fieldTransforms);\n}\n\n/** Parse update data from a list of field/value arguments. */ function Pu(t, e, n, r, i, o) {\n    var s = t.P_(1 /* Update */ , e, n), u = [ qu(e, r, n) ], h = [ i ];\n    if (o.length % 2 != 0) throw new c(a.INVALID_ARGUMENT, "Function " + e + "() needs to be called with an even number of arguments that alternate between field names and values.");\n    for (var f = 0; f < o.length; f += 2) u.push(qu(e, o[f])), h.push(o[f + 1]);\n    // We iterate in reverse order to pick the last value for a field if the\n    // user specified the field multiple times.\n    for (var l = [], p = new Dn, d = u.length - 1; d >= 0; --d) if (!zu(l, u[d])) {\n        var v = u[d], y = h[d], g = s.A_(v);\n        if (y instanceof gu || y instanceof Tu && y.l_ instanceof gu) \n        // Add it to the field mask, but don\'t add anything to updateData.\n        l.push(v); else {\n            var m = Uu(y, g);\n            null != m && (l.push(v), p.set(v, m));\n        }\n    }\n    var w = new an(l);\n    return new Du(p.Xe(), w, s.fieldTransforms);\n}\n\n/**\n * Parse a "query value" (e.g. value in a where filter or a value in a cursor\n * bound).\n *\n * @param allowArrays Whether the query value is an array that may directly\n * contain additional arrays (e.g. the operand of an `in` query).\n */ function Vu(t, e, n, r) {\n    return void 0 === r && (r = !1), Uu(n, t.P_(r ? 4 /* ArrayArgument */ : 3 /* Argument */ , e));\n}\n\n/**\n * Parses user data to Protobuf Values.\n *\n * @param input Data to be parsed.\n * @param context A context object representing the current path being parsed,\n * the source of the data being parsed, etc.\n * @return The parsed value, or null if the value was a FieldValue sentinel\n * that should not be included in the resulting parsed data.\n */ function Uu(t, e) {\n    if (\n    // Unwrap the API type from the Compat SDK. This will return the API type\n    // from firestore-exp.\n    t instanceof Tu && (t = t.l_), Fu(t)) return Mu("Unsupported field value:", e, t), \n    Cu(t, e);\n    if (t instanceof yu) \n    // FieldValues usually parse into transforms (except FieldValue.delete())\n    // in which case we do not want to include this field in our parsed data\n    // (as doing so will overwrite the field directly prior to the transform\n    // trying to transform it). So we don\'t add this location to\n    // context.fieldMask and we return null as our parsing result.\n    /**\n     * "Parses" the provided FieldValueImpl, adding any necessary transforms to\n     * context.fieldTransforms.\n     */\n    return function(t, e) {\n        // Sentinels are only supported with writes, and not within arrays.\n        if (!xu(e.s_)) throw e.i_(t.e_ + "() can only be used with update() and set()");\n        if (!e.path) throw e.i_(t.e_ + "() is not currently supported inside arrays");\n        var n = t.n_(e);\n        n && e.fieldTransforms.push(n);\n    }(t, e), null;\n    if (\n    // If context.path is null we are inside an array and we don\'t support\n    // field mask paths more granular than the top-level array.\n    e.path && e.We.push(e.path), t instanceof Array) {\n        // TODO(b/34871131): Include the path containing the array in the error\n        // message.\n        // In the case of IN queries, the parsed data is an array (representing\n        // the set of values to be included for the IN query) that may directly\n        // contain additional arrays (each representing an individual field\n        // value), so we disable this validation.\n        if (e.settings.o_ && 4 /* ArrayArgument */ !== e.s_) throw e.i_("Nested arrays are not supported");\n        return function(t, e) {\n            for (var n = [], r = 0, i = 0, o = t; i < o.length; i++) {\n                var s = Uu(o[i], e.R_(r));\n                null == s && (\n                // Just include nulls in the array for fields being replaced with a\n                // sentinel.\n                s = {\n                    nullValue: "NULL_VALUE"\n                }), n.push(s), r++;\n            }\n            return {\n                arrayValue: {\n                    values: n\n                }\n            };\n        }(t, e);\n    }\n    return function(t, e) {\n        if (null === t) return {\n            nullValue: "NULL_VALUE"\n        };\n        if ("number" == typeof t) return we(e.serializer, t);\n        if ("boolean" == typeof t) return {\n            booleanValue: t\n        };\n        if ("string" == typeof t) return {\n            stringValue: t\n        };\n        if (t instanceof Date) {\n            var n = ot.fromDate(t);\n            return {\n                timestampValue: _e(e.serializer, n)\n            };\n        }\n        if (t instanceof ot) {\n            // Firestore backend truncates precision down to microseconds. To ensure\n            // offline mode works the same with regards to truncation, perform the\n            // truncation immediately without waiting for the backend to do that.\n            var r = new ot(t.seconds, 1e3 * Math.floor(t.nanoseconds / 1e3));\n            return {\n                timestampValue: _e(e.serializer, r)\n            };\n        }\n        if (t instanceof Eu) return {\n            geoPointValue: {\n                latitude: t.latitude,\n                longitude: t.longitude\n            }\n        };\n        if (t instanceof J) return {\n            bytesValue: be(e.serializer, t.q)\n        };\n        if (t instanceof Au) {\n            var i = e.U, o = t.__;\n            if (!o.isEqual(i)) throw e.i_("Document reference is for database " + o.projectId + "/" + o.database + " but should be for database " + i.projectId + "/" + i.database);\n            return {\n                referenceValue: Te(t.__ || e.U, t.f_.path)\n            };\n        }\n        if (void 0 === t && e.ignoreUndefinedProperties) return null;\n        throw e.i_("Unsupported field value: " + M(t));\n    }(t, e);\n}\n\nfunction Cu(t, e) {\n    var n = {};\n    return b(t) ? \n    // If we encounter an empty object, we explicitly add it to the update\n    // mask to ensure that the server creates a map entry.\n    e.path && e.path.length > 0 && e.We.push(e.path) : _(t, (function(t, r) {\n        var i = Uu(r, e.E_(t));\n        null != i && (n[t] = i);\n    })), {\n        mapValue: {\n            fields: n\n        }\n    };\n}\n\nfunction Fu(t) {\n    return !("object" != typeof t || null === t || t instanceof Array || t instanceof Date || t instanceof ot || t instanceof Eu || t instanceof J || t instanceof Au || t instanceof yu);\n}\n\nfunction Mu(t, e, n) {\n    if (!Fu(n) || !F(n)) {\n        var r = M(n);\n        throw "an object" === r ? e.i_(t + " a custom object") : e.i_(t + " " + r);\n    }\n}\n\n/**\n * Helper that calls fromDotSeparatedString() but wraps any error thrown.\n */ function qu(t, e, n) {\n    if (e instanceof pu) return e.t_;\n    if ("string" == typeof e) return ju(t, e);\n    throw Gu("Field path arguments must be of type string or FieldPath.", t, \n    /* hasConverter= */ !1, \n    /* path= */ void 0, n);\n}\n\n/**\n * Wraps fromDotSeparatedString with an error message about the method that\n * was thrown.\n * @param methodName The publicly visible method name\n * @param path The dot-separated string form of a field path which will be split\n * on dots.\n * @param targetDoc The document against which the field path will be evaluated.\n */ function ju(e, n, r) {\n    try {\n        return function(e) {\n            if (e.search(vu) >= 0) throw new c(a.INVALID_ARGUMENT, "Invalid field path (" + e + "). Paths must not contain \'~\', \'*\', \'/\', \'[\', or \']\'");\n            try {\n                return new (du.bind.apply(du, t.__spreadArrays([ void 0 ], e.split("."))));\n            } catch (t) {\n                throw new c(a.INVALID_ARGUMENT, "Invalid field path (" + e + "). Paths must not be empty, begin with \'.\', end with \'.\', or contain \'..\'");\n            }\n        }(n).t_;\n    } catch (n) {\n        throw Gu((i = n) instanceof Error ? i.message : i.toString(), e, \n        /* hasConverter= */ !1, \n        /* path= */ void 0, r);\n    }\n    /**\n * Extracts the message from a caught exception, which should be an Error object\n * though JS doesn\'t guarantee that.\n */    var i;\n    /** Checks `haystack` if FieldPath `needle` is present. Runs in O(n). */}\n\nfunction Gu(t, e, n, r, i) {\n    var o = r && !r.m(), s = void 0 !== i, u = "Function " + e + "() called with invalid data";\n    n && (u += " (via `toFirestore()`)");\n    var h = "";\n    return (o || s) && (h += " (found", o && (h += " in field " + r), s && (h += " in document " + i), \n    h += ")"), new c(a.INVALID_ARGUMENT, (u += ". ") + t + h);\n}\n\nfunction zu(t, e) {\n    return t.some((function(t) {\n        return t.isEqual(e);\n    }));\n}\n\n/**\n * @license\n * Copyright 2017 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the "License");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an "AS IS" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/**\n * Internal transaction object responsible for accumulating the mutations to\n * perform and the base versions for any documents read.\n */ var Bu = /** @class */ function() {\n    function e(t) {\n        this.Ku = t, \n        // The version of each document that was read during this transaction.\n        this.y_ = new Map, this.mutations = [], this.V_ = !1, \n        /**\n             * A deferred usage error that occurred previously in this transaction that\n             * will cause the transaction to fail once it actually commits.\n             */\n        this.p_ = null, \n        /**\n             * Set of documents that have been written in the transaction.\n             *\n             * When there\'s more than one write to the same key in a transaction, any\n             * writes after the first are handled differently.\n             */\n        this.b_ = new Set;\n    }\n    return e.prototype.v_ = function(e) {\n        return t.__awaiter(this, void 0, void 0, (function() {\n            var n, r = this;\n            return t.__generator(this, (function(i) {\n                switch (i.label) {\n                  case 0:\n                    if (this.S_(), this.mutations.length > 0) throw new c(a.INVALID_ARGUMENT, "Firestore transactions require all reads to be executed before all writes.");\n                    return [ 4 /*yield*/ , function(e, n) {\n                        return t.__awaiter(this, void 0, void 0, (function() {\n                            var r, i, o, s, u, a;\n                            return t.__generator(this, (function(t) {\n                                switch (t.label) {\n                                  case 0:\n                                    return r = m(e), i = Le(r.serializer) + "/documents", o = {\n                                        documents: n.map((function(t) {\n                                            return Ae(r.serializer, t);\n                                        }))\n                                    }, [ 4 /*yield*/ , r.ku("BatchGetDocuments", i, o) ];\n\n                                  case 1:\n                                    return s = t.sent(), u = new Map, s.forEach((function(t) {\n                                        var e = function(t, e) {\n                                            return "found" in e ? function(t, e) {\n                                                g(!!e.found), e.found.name, e.found.updateTime;\n                                                var n = Se(t, e.found.name), r = Ee(e.found.updateTime), i = new Sn({\n                                                    mapValue: {\n                                                        fields: e.found.fields\n                                                    }\n                                                });\n                                                return new kn(n, r, i, {});\n                                            }(t, e) : "missing" in e ? function(t, e) {\n                                                g(!!e.missing), g(!!e.readTime);\n                                                var n = Se(t, e.missing), r = Ee(e.readTime);\n                                                return new Rn(n, r);\n                                            }(t, e) : y();\n                                        }(r.serializer, t);\n                                        u.set(e.key.toString(), e);\n                                    })), a = [], [ 2 /*return*/ , (n.forEach((function(t) {\n                                        var e = u.get(t.toString());\n                                        g(!!e), a.push(e);\n                                    })), a) ];\n                                }\n                            }));\n                        }));\n                    }(this.Ku, e) ];\n\n                  case 1:\n                    return [ 2 /*return*/ , ((n = i.sent()).forEach((function(t) {\n                        t instanceof Rn || t instanceof kn ? r.D_(t) : y();\n                    })), n) ];\n                }\n            }));\n        }));\n    }, e.prototype.set = function(t, e) {\n        this.write(e.w_(t, this.Ge(t))), this.b_.add(t.toString());\n    }, e.prototype.update = function(t, e) {\n        try {\n            this.write(e.w_(t, this.C_(t)));\n        } catch (t) {\n            this.p_ = t;\n        }\n        this.b_.add(t.toString());\n    }, e.prototype.delete = function(t) {\n        this.write([ new Nn(t, this.Ge(t)) ]), this.b_.add(t.toString());\n    }, e.prototype.commit = function() {\n        return t.__awaiter(this, void 0, void 0, (function() {\n            var e, n = this;\n            return t.__generator(this, (function(r) {\n                switch (r.label) {\n                  case 0:\n                    if (this.S_(), this.p_) throw this.p_;\n                    return e = this.y_, \n                    // For each mutation, note that the doc was written.\n                    this.mutations.forEach((function(t) {\n                        e.delete(t.key.toString());\n                    })), \n                    // For each document that was read but not written to, we want to perform\n                    // a `verify` operation.\n                    e.forEach((function(t, e) {\n                        var r = A.D(e);\n                        n.mutations.push(new An(r, n.Ge(r)));\n                    })), [ 4 /*yield*/ , function(e, n) {\n                        return t.__awaiter(this, void 0, void 0, (function() {\n                            var r, i, o;\n                            return t.__generator(this, (function(t) {\n                                switch (t.label) {\n                                  case 0:\n                                    return r = m(e), i = Le(r.serializer) + "/documents", o = {\n                                        writes: n.map((function(t) {\n                                            return Oe(r.serializer, t);\n                                        }))\n                                    }, [ 4 /*yield*/ , r.$u("Commit", i, o) ];\n\n                                  case 1:\n                                    return t.sent(), [ 2 /*return*/ ];\n                                }\n                            }));\n                        }));\n                    }(this.Ku, this.mutations) ];\n\n                  case 1:\n                    // For each mutation, note that the doc was written.\n                    return r.sent(), this.V_ = !0, [ 2 /*return*/ ];\n                }\n            }));\n        }));\n    }, e.prototype.D_ = function(t) {\n        var e;\n        if (t instanceof kn) e = t.version; else {\n            if (!(t instanceof Rn)) throw y();\n            // For deleted docs, we must use baseVersion 0 when we overwrite them.\n                        e = st.min();\n        }\n        var n = this.y_.get(t.key.toString());\n        if (n) {\n            if (!e.isEqual(n)) \n            // This transaction will fail no matter what.\n            throw new c(a.ABORTED, "Document version changed between two reads.");\n        } else this.y_.set(t.key.toString(), e);\n    }, \n    /**\n     * Returns the version of this document when it was read in this transaction,\n     * as a precondition, or no precondition if it was not read.\n     */\n    e.prototype.Ge = function(t) {\n        var e = this.y_.get(t.toString());\n        return !this.b_.has(t.toString()) && e ? fn.updateTime(e) : fn.ze();\n    }, \n    /**\n     * Returns the precondition for a document if the operation is an update.\n     */\n    e.prototype.C_ = function(t) {\n        var e = this.y_.get(t.toString());\n        // The first time a document is written, we want to take into account the\n        // read time and existence\n                if (!this.b_.has(t.toString()) && e) {\n            if (e.isEqual(st.min())) \n            // The document doesn\'t exist, so fail the transaction.\n            // This has to be validated locally because you can\'t send a\n            // precondition that a document does not exist without changing the\n            // semantics of the backend write to be an insert. This is the reverse\n            // of what we want, since we want to assert that the document doesn\'t\n            // exist but then send the update and have it fail. Since we can\'t\n            // express that to the backend, we have to validate locally.\n            // Note: this can change once we can send separate verify writes in the\n            // transaction.\n            throw new c(a.INVALID_ARGUMENT, "Can\'t update a document that doesn\'t exist.");\n            // Document exists, base precondition on document update time.\n                        return fn.updateTime(e);\n        }\n        // Document was not read, so we just use the preconditions for a blind\n        // update.\n                return fn.exists(!0);\n    }, e.prototype.write = function(t) {\n        this.S_(), this.mutations = this.mutations.concat(t);\n    }, e.prototype.S_ = function() {}, e;\n}(), Wu = /** @class */ function() {\n    function e(t, e, n, r) {\n        this.cs = t, this.Ku = e, this.updateFunction = n, this.ls = r, this.N_ = 5, this.ys = new vr(this.cs, "transaction_retry" /* TransactionRetry */)\n        /** Runs the transaction and sets the result on deferred. */;\n    }\n    return e.prototype.run = function() {\n        this.F_();\n    }, e.prototype.F_ = function() {\n        var e = this;\n        this.ys.gn((function() {\n            return t.__awaiter(e, void 0, void 0, (function() {\n                var e, n, r = this;\n                return t.__generator(this, (function(t) {\n                    return e = new Bu(this.Ku), (n = this.x_(e)) && n.then((function(t) {\n                        r.cs.ws((function() {\n                            return e.commit().then((function() {\n                                r.ls.resolve(t);\n                            })).catch((function(t) {\n                                r.k_(t);\n                            }));\n                        }));\n                    })).catch((function(t) {\n                        r.k_(t);\n                    })), [ 2 /*return*/ ];\n                }));\n            }));\n        }));\n    }, e.prototype.x_ = function(t) {\n        try {\n            var e = this.updateFunction(t);\n            return !ut(e) && e.catch && e.then ? e : (this.ls.reject(Error("Transaction callback must return a Promise")), \n            null);\n        } catch (t) {\n            // Do not retry errors thrown by user provided updateFunction.\n            return this.ls.reject(t), null;\n        }\n    }, e.prototype.k_ = function(t) {\n        var e = this;\n        this.N_ > 0 && this.M_(t) ? (this.N_ -= 1, this.cs.ws((function() {\n            return e.F_(), Promise.resolve();\n        }))) : this.ls.reject(t);\n    }, e.prototype.M_ = function(t) {\n        if ("FirebaseError" === t.name) {\n            // In transactions, the backend will fail outdated reads with FAILED_PRECONDITION and\n            // non-matching document versions with ABORTED. These errors should be retried.\n            var e = t.code;\n            return "aborted" === e || "failed-precondition" === e || !wt(e);\n        }\n        return !1;\n    }, e;\n}(), Ku = /** @class */ function() {\n    function e(t, \n    /**\n     * Asynchronous queue responsible for all of our internal processing. When\n     * we get incoming work from the user (via public API) or the network\n     * (incoming GRPC messages), we should always schedule onto this queue.\n     * This ensures all of our work is properly serialized (e.g. we don\'t\n     * start processing a new operation while the previous one is waiting for\n     * an async I/O to complete).\n     */\n    e) {\n        this.credentials = t, this.cs = e, this.clientId = Q.k(), \n        // We defer our initialization until we get the current user from\n        // setChangeListener(). We block the async queue until we got the initial\n        // user and the initialization is completed. This will prevent any scheduled\n        // work from happening before initialization is completed.\n        // If initializationDone resolved then the FirestoreClient is in a usable\n        // state.\n        this.O_ = new dr\n        /**\n     * Starts up the FirestoreClient, returning only whether or not enabling\n     * persistence succeeded.\n     *\n     * The intent here is to "do the right thing" as far as users are concerned.\n     * Namely, in cases where offline persistence is requested and possible,\n     * enable it, but otherwise fall back to persistence disabled. For the most\n     * part we expect this to succeed one way or the other so we don\'t expect our\n     * users to actually wait on the firestore.enablePersistence Promise since\n     * they generally won\'t care.\n     *\n     * Of course some users actually do care about whether or not persistence\n     * was successfully enabled, so the Promise returned from this method\n     * indicates this outcome.\n     *\n     * This presents a problem though: even before enablePersistence resolves or\n     * rejects, users may have made calls to e.g. firestore.collection() which\n     * means that the FirestoreClient in there will be available and will be\n     * enqueuing actions on the async queue.\n     *\n     * Meanwhile any failure of an operation on the async queue causes it to\n     * panic and reject any further work, on the premise that unhandled errors\n     * are fatal.\n     *\n     * Consequently the fallback is handled internally here in start, and if the\n     * fallback succeeds we signal success to the async queue even though the\n     * start() itself signals failure.\n     *\n     * @param databaseInfo The connection information for the current instance.\n     * @param offlineComponentProvider Provider that returns all components\n     * required for memory-only or IndexedDB persistence.\n     * @param onlineComponentProvider Provider that returns all components\n     * required for online support.\n     * @param persistenceSettings Settings object to configure offline\n     *     persistence.\n     * @returns A deferred result indicating the user-visible result of enabling\n     *     offline persistence. This method will reject this if IndexedDB fails to\n     *     start for any reason. If usePersistence is false this is\n     *     unconditionally resolved.\n     */;\n    }\n    return e.prototype.start = function(e, n, r, i) {\n        var o = this;\n        this.L_(), this.bl = e;\n        // If usePersistence is true, certain classes of errors while starting are\n        // recoverable but only by falling back to persistence disabled.\n        // If there\'s an error in the first case but not in recovery we cannot\n        // reject the promise blocking the async queue because this will cause the\n        // async queue to panic.\n        var s = new dr, u = !1;\n        // Return only the result of enabling persistence. Note that this does not\n        // need to await the completion of initializationDone because the result of\n        // this method should not reflect any other kind of failure to start.\n        return this.credentials.Hc((function(e) {\n            if (!u) return u = !0, l("FirestoreClient", "Initializing. user=", e.uid), o.B_(n, r, i, e, s).then(o.O_.resolve, o.O_.reject);\n            o.cs.Cs((function() {\n                return function(e, n) {\n                    return t.__awaiter(this, void 0, void 0, (function() {\n                        var r, i;\n                        return t.__generator(this, (function(t) {\n                            switch (t.label) {\n                              case 0:\n                                return (r = m(e)).cs.xs(), l("RemoteStore", "RemoteStore received new credentials"), \n                                i = Xo(r), \n                                // Tear down and re-create our network streams. This will ensure we get a\n                                // fresh auth token for the new user and re-fill the write pipeline with\n                                // new mutations from the LocalStore (since mutations are per-user).\n                                r.Yu.add(3 /* CredentialChange */), [ 4 /*yield*/ , zo(r) ];\n\n                              case 1:\n                                return t.sent(), i && \n                                // Don\'t set the network status to Unknown if we are offline.\n                                r.th.set("Unknown" /* Unknown */), [ 4 /*yield*/ , r.Gu.Jl(n) ];\n\n                              case 2:\n                                return t.sent(), r.Yu.delete(3 /* CredentialChange */), [ 4 /*yield*/ , Go(r) ];\n\n                              case 3:\n                                // Tear down and re-create our network streams. This will ensure we get a\n                                // fresh auth token for the new user and re-fill the write pipeline with\n                                // new mutations from the LocalStore (since mutations are per-user).\n                                return t.sent(), [ 2 /*return*/ ];\n                            }\n                        }));\n                    }));\n                }(o.ph, e);\n            }));\n        })), \n        // Block the async queue until initialization is done\n        this.cs.ws((function() {\n            return o.O_.promise;\n        })), s.promise;\n    }, \n    /** Enables the network connection and requeues all pending operations. */ e.prototype.enableNetwork = function() {\n        var t = this;\n        return this.L_(), this.cs.enqueue((function() {\n            return t.persistence.tc(!0), function(t) {\n                var e = m(t);\n                return e.Yu.delete(0 /* UserDisabled */), Go(e);\n            }(t.ph);\n        }));\n    }, \n    /**\n     * Initializes persistent storage, attempting to use IndexedDB if\n     * usePersistence is true or memory-only if false.\n     *\n     * If IndexedDB fails because it\'s already open in another tab or because the\n     * platform can\'t possibly support our implementation then this method rejects\n     * the persistenceResult and falls back on memory-only persistence.\n     *\n     * @param offlineComponentProvider Provider that returns all components\n     * required for memory-only or IndexedDB persistence.\n     * @param onlineComponentProvider Provider that returns all components\n     * required for online support.\n     * @param persistenceSettings Settings object to configure offline persistence\n     * @param user The initial user\n     * @param persistenceResult A deferred result indicating the user-visible\n     *     result of enabling offline persistence. This method will reject this if\n     *     IndexedDB fails to start for any reason. If usePersistence is false\n     *     this is unconditionally resolved.\n     * @returns a Promise indicating whether or not initialization should\n     *     continue, i.e. that one of the persistence implementations actually\n     *     succeeded.\n     */\n    e.prototype.B_ = function(e, n, r, i, o) {\n        return t.__awaiter(this, void 0, void 0, (function() {\n            var s, u, a = this;\n            return t.__generator(this, (function(c) {\n                switch (c.label) {\n                  case 0:\n                    return c.trys.push([ 0, 3, , 4 ]), s = {\n                        cs: this.cs,\n                        bl: this.bl,\n                        clientId: this.clientId,\n                        credentials: this.credentials,\n                        Wl: i,\n                        Dh: 100,\n                        persistenceSettings: r\n                    }, [ 4 /*yield*/ , e.initialize(s) ];\n\n                  case 1:\n                    return c.sent(), [ 4 /*yield*/ , n.initialize(e, s) ];\n\n                  case 2:\n                    return c.sent(), this.persistence = e.persistence, this.Sh = e.Sh, this.ju = e.ju, \n                    this.ql = e.ql, this.Ku = n.Ku, this.ph = n.ph, this.fi = n.fi, this.q_ = n.bh, \n                    this.q_.Us = _s.bind(null, this.fi), this.q_.js = Is.bind(null, this.fi), \n                    // When a user calls clearPersistence() in one client, all other clients\n                    // need to be terminated to allow the delete to succeed.\n                    this.persistence.Za((function() {\n                        return t.__awaiter(a, void 0, void 0, (function() {\n                            return t.__generator(this, (function(t) {\n                                switch (t.label) {\n                                  case 0:\n                                    return [ 4 /*yield*/ , this.terminate() ];\n\n                                  case 1:\n                                    return t.sent(), [ 2 /*return*/ ];\n                                }\n                            }));\n                        }));\n                    })), o.resolve(), [ 3 /*break*/ , 4 ];\n\n                  case 3:\n                    // An unknown failure on the first stage shuts everything down.\n                    if (u = c.sent(), \n                    // Regardless of whether or not the retry succeeds, from an user\n                    // perspective, offline persistence has failed.\n                    o.reject(u), !this.U_(u)) throw u;\n                    return [ 2 /*return*/ , (console.warn("Error enabling offline persistence. Falling back to persistence disabled: " + u), \n                    this.B_(new cu, new fu, {\n                        jl: !1\n                    }, i, o)) ];\n\n                  case 4:\n                    return [ 2 /*return*/ ];\n                }\n            }));\n        }));\n    }, \n    /**\n     * Decides whether the provided error allows us to gracefully disable\n     * persistence (as opposed to crashing the client).\n     */\n    e.prototype.U_ = function(t) {\n        return "FirebaseError" === t.name ? t.code === a.FAILED_PRECONDITION || t.code === a.UNIMPLEMENTED : !("undefined" != typeof DOMException && t instanceof DOMException) || \n        // When the browser is out of quota we could get either quota exceeded\n        // or an aborted error depending on whether the error happened during\n        // schema migration.\n        22 === t.code || 20 === t.code || \n        // Firefox Private Browsing mode disables IndexedDb and returns\n        // INVALID_STATE for any usage.\n        11 === t.code;\n    }, \n    /**\n     * Checks that the client has not been terminated. Ensures that other methods on\n     * this class cannot be called after the client is terminated.\n     */\n    e.prototype.L_ = function() {\n        if (this.cs.ps) throw new c(a.FAILED_PRECONDITION, "The client has already been terminated.");\n    }, \n    /** Disables the network connection. Pending operations will not complete. */ e.prototype.disableNetwork = function() {\n        var e = this;\n        return this.L_(), this.cs.enqueue((function() {\n            return e.persistence.tc(!1), function(e) {\n                return t.__awaiter(this, void 0, void 0, (function() {\n                    var n;\n                    return t.__generator(this, (function(t) {\n                        switch (t.label) {\n                          case 0:\n                            return (n = m(e)).Yu.add(0 /* UserDisabled */), [ 4 /*yield*/ , zo(n) ];\n\n                          case 1:\n                            return t.sent(), \n                            // Set the OnlineState to Offline so get()s return from cache, etc.\n                            n.th.set("Offline" /* Offline */), [ 2 /*return*/ ];\n                        }\n                    }));\n                }));\n            }(e.ph);\n        }));\n    }, e.prototype.terminate = function() {\n        var e = this;\n        this.cs.Ds();\n        var n = new dr;\n        return this.cs.bs((function() {\n            return t.__awaiter(e, void 0, void 0, (function() {\n                var e, r;\n                return t.__generator(this, (function(t) {\n                    switch (t.label) {\n                      case 0:\n                        return t.trys.push([ 0, 4, , 5 ]), \n                        // PORTING NOTE: LocalStore does not need an explicit shutdown on web.\n                        this.ql && this.ql.stop(), [ 4 /*yield*/ , Bo(this.ph) ];\n\n                      case 1:\n                        return t.sent(), [ 4 /*yield*/ , this.Sh.Di() ];\n\n                      case 2:\n                        return t.sent(), [ 4 /*yield*/ , this.persistence.Di() ];\n\n                      case 3:\n                        // PORTING NOTE: LocalStore does not need an explicit shutdown on web.\n                        return t.sent(), \n                        // `removeChangeListener` must be called after shutting down the\n                        // RemoteStore as it will prevent the RemoteStore from retrieving\n                        // auth tokens.\n                        this.credentials.Yc(), n.resolve(), [ 3 /*break*/ , 5 ];\n\n                      case 4:\n                        return e = t.sent(), r = Lr(e, "Failed to shutdown persistence"), n.reject(r), [ 3 /*break*/ , 5 ];\n\n                      case 5:\n                        return [ 2 /*return*/ ];\n                    }\n                }));\n            }));\n        })), n.promise;\n    }, \n    /**\n     * Returns a Promise that resolves when all writes that were pending at the time this\n     * method was called received server acknowledgement. An acknowledgement can be either acceptance\n     * or rejection.\n     */\n    e.prototype.waitForPendingWrites = function() {\n        var e = this;\n        this.L_();\n        var n = new dr;\n        return this.cs.ws((function() {\n            return function(e, n) {\n                return t.__awaiter(this, void 0, void 0, (function() {\n                    var r, i, o, s, u;\n                    return t.__generator(this, (function(t) {\n                        switch (t.label) {\n                          case 0:\n                            Xo((r = m(e)).ph) || l("SyncEngine", "The network is disabled. The task returned by \'awaitPendingWrites()\' will not complete until the network is enabled."), \n                            t.label = 1;\n\n                          case 1:\n                            return t.trys.push([ 1, 3, , 4 ]), [ 4 /*yield*/ , function(t) {\n                                var e = m(t);\n                                return e.persistence.runTransaction("Get highest unacknowledged batch id", "readonly", (function(t) {\n                                    return e.Sr.qo(t);\n                                }));\n                            }(r.ju) ];\n\n                          case 2:\n                            return -1 === (i = t.sent()) ? [ 2 /*return*/ , void n.resolve() ] : ((o = r.Lh.get(i) || []).push(n), \n                            r.Lh.set(i, o), [ 3 /*break*/ , 4 ]);\n\n                          case 3:\n                            return s = t.sent(), u = Lr(s, "Initialization of waitForPendingWrites() operation failed"), \n                            n.reject(u), [ 3 /*break*/ , 4 ];\n\n                          case 4:\n                            return [ 2 /*return*/ ];\n                        }\n                    }));\n                }));\n            }(e.fi, n);\n        })), n.promise;\n    }, e.prototype.listen = function(t, e, n) {\n        var r = this;\n        this.L_();\n        var i = new lu(n), o = new Fr(t, i, e);\n        return this.cs.ws((function() {\n            return Or(r.q_, o);\n        })), function() {\n            i.Zl(), r.cs.ws((function() {\n                return Pr(r.q_, o);\n            }));\n        };\n    }, e.prototype.Q_ = function(e) {\n        return t.__awaiter(this, void 0, void 0, (function() {\n            var n, r = this;\n            return t.__generator(this, (function(i) {\n                switch (i.label) {\n                  case 0:\n                    return this.L_(), [ 4 /*yield*/ , this.O_.promise ];\n\n                  case 1:\n                    return i.sent(), n = new dr, [ 2 /*return*/ , (this.cs.ws((function() {\n                        return function(e, n, r) {\n                            return t.__awaiter(this, void 0, void 0, (function() {\n                                var i, o, s;\n                                return t.__generator(this, (function(t) {\n                                    switch (t.label) {\n                                      case 0:\n                                        return t.trys.push([ 0, 2, , 3 ]), [ 4 /*yield*/ , function(t, e) {\n                                            var n = m(t);\n                                            return n.persistence.runTransaction("read document", "readonly", (function(t) {\n                                                return n.Cc.Cr(t, e);\n                                            }));\n                                        }(e, n) ];\n\n                                      case 1:\n                                        return (i = t.sent()) instanceof kn ? r.resolve(i) : i instanceof Rn ? r.resolve(null) : r.reject(new c(a.UNAVAILABLE, "Failed to get document from cache. (However, this document may exist on the server. Run again without setting \'source\' in the GetOptions to attempt to retrieve the document from the server.)")), \n                                        [ 3 /*break*/ , 3 ];\n\n                                      case 2:\n                                        return o = t.sent(), s = Lr(o, "Failed to get document \'" + n + " from cache"), \n                                        r.reject(s), [ 3 /*break*/ , 3 ];\n\n                                      case 3:\n                                        return [ 2 /*return*/ ];\n                                    }\n                                }));\n                            }));\n                        }(r.ju, e, n);\n                    })), n.promise) ];\n                }\n            }));\n        }));\n    }, e.prototype.W_ = function(e, n) {\n        return void 0 === n && (n = {}), t.__awaiter(this, void 0, void 0, (function() {\n            var r, i = this;\n            return t.__generator(this, (function(t) {\n                switch (t.label) {\n                  case 0:\n                    return this.L_(), [ 4 /*yield*/ , this.O_.promise ];\n\n                  case 1:\n                    return t.sent(), r = new dr, [ 2 /*return*/ , (this.cs.ws((function() {\n                        return function(t, e, n, r, i) {\n                            var o = new lu({\n                                next: function(o) {\n                                    // Remove query first before passing event to user to avoid\n                                    // user actions affecting the now stale query.\n                                    e.ws((function() {\n                                        return Pr(t, s);\n                                    }));\n                                    var u = o.docs.has(n);\n                                    !u && o.fromCache ? \n                                    // TODO(dimond): If we\'re online and the document doesn\'t\n                                    // exist then we resolve with a doc.exists set to false. If\n                                    // we\'re offline however, we reject the Promise in this\n                                    // case. Two options: 1) Cache the negative response from\n                                    // the server so we can deliver that even when you\'re\n                                    // offline 2) Actually reject the Promise in the online case\n                                    // if the document doesn\'t exist.\n                                    i.reject(new c(a.UNAVAILABLE, "Failed to get document because the client is offline.")) : u && o.fromCache && r && "server" === r.source ? i.reject(new c(a.UNAVAILABLE, \'Failed to get document from server. (However, this document does exist in the local cache. Run again without setting source to "server" to retrieve the cached document.)\')) : i.resolve(o);\n                                },\n                                error: function(t) {\n                                    return i.reject(t);\n                                }\n                            }), s = new Fr(Un(n.path), o, {\n                                includeMetadataChanges: !0,\n                                Xs: !0\n                            });\n                            return Or(t, s);\n                        }(i.q_, i.cs, e, n, r);\n                    })), r.promise) ];\n                }\n            }));\n        }));\n    }, e.prototype.j_ = function(e) {\n        return t.__awaiter(this, void 0, void 0, (function() {\n            var n, r = this;\n            return t.__generator(this, (function(i) {\n                switch (i.label) {\n                  case 0:\n                    return this.L_(), [ 4 /*yield*/ , this.O_.promise ];\n\n                  case 1:\n                    return i.sent(), n = new dr, [ 2 /*return*/ , (this.cs.ws((function() {\n                        return function(e, n, r) {\n                            return t.__awaiter(this, void 0, void 0, (function() {\n                                var i, o, s, u, a, c;\n                                return t.__generator(this, (function(t) {\n                                    switch (t.label) {\n                                      case 0:\n                                        return t.trys.push([ 0, 2, , 3 ]), [ 4 /*yield*/ , To(e, n, \n                                        /* usePreviousResults= */ !0) ];\n\n                                      case 1:\n                                        return i = t.sent(), o = new ys(n, i.Fc), s = o.wh(i.documents), u = o.yr(s, \n                                        /* updateLimboDocuments= */ !1), r.resolve(u.snapshot), [ 3 /*break*/ , 3 ];\n\n                                      case 2:\n                                        return a = t.sent(), c = Lr(a, "Failed to execute query \'" + n + " against cache"), \n                                        r.reject(c), [ 3 /*break*/ , 3 ];\n\n                                      case 3:\n                                        return [ 2 /*return*/ ];\n                                    }\n                                }));\n                            }));\n                        }(r.ju, e, n);\n                    })), n.promise) ];\n                }\n            }));\n        }));\n    }, e.prototype.K_ = function(e, n) {\n        return void 0 === n && (n = {}), t.__awaiter(this, void 0, void 0, (function() {\n            var r, i = this;\n            return t.__generator(this, (function(t) {\n                switch (t.label) {\n                  case 0:\n                    return this.L_(), [ 4 /*yield*/ , this.O_.promise ];\n\n                  case 1:\n                    return t.sent(), r = new dr, [ 2 /*return*/ , (this.cs.ws((function() {\n                        return function(t, e, n, r, i) {\n                            var o = new lu({\n                                next: function(n) {\n                                    // Remove query first before passing event to user to avoid\n                                    // user actions affecting the now stale query.\n                                    e.ws((function() {\n                                        return Pr(t, s);\n                                    })), n.fromCache && "server" === r.source ? i.reject(new c(a.UNAVAILABLE, \'Failed to get documents from server. (However, these documents may exist in the local cache. Run again without setting source to "server" to retrieve the cached documents.)\')) : i.resolve(n);\n                                },\n                                error: function(t) {\n                                    return i.reject(t);\n                                }\n                            }), s = new Fr(n, o, {\n                                includeMetadataChanges: !0,\n                                Xs: !0\n                            });\n                            return Or(t, s);\n                        }(i.q_, i.cs, e, n, r);\n                    })), r.promise) ];\n                }\n            }));\n        }));\n    }, e.prototype.write = function(e) {\n        var n = this;\n        this.L_();\n        var r = new dr;\n        return this.cs.ws((function() {\n            return function(e, n, r) {\n                return t.__awaiter(this, void 0, void 0, (function() {\n                    var i, o, s, u;\n                    return t.__generator(this, (function(t) {\n                        switch (t.label) {\n                          case 0:\n                            i = Qs(e), t.label = 1;\n\n                          case 1:\n                            return t.trys.push([ 1, 5, , 6 ]), [ 4 /*yield*/ , \n                            /* Accepts locally generated Mutations and commit them to storage. */\n                            function(t, e) {\n                                var n, r = m(t), i = ot.now(), o = e.reduce((function(t, e) {\n                                    return t.add(e.key);\n                                }), Ot());\n                                return r.persistence.runTransaction("Locally write mutations", "readwrite", (function(t) {\n                                    return r.Cc.kr(t, o).next((function(o) {\n                                        n = o;\n                                        for (\n                                        // For non-idempotent mutations (such as `FieldValue.increment()`),\n                                        // we record the base state in a separate patch mutation. This is\n                                        // later used to guarantee consistent values and prevents flicker\n                                        // even if the backend sends us an update that already includes our\n                                        // transform.\n                                        var s = [], u = 0, a = e; u < a.length; u++) {\n                                            var c = a[u], h = yn(c, n.get(c.key));\n                                            null != h && \n                                            // NOTE: The base state should only be applied if there\'s some\n                                            // existing document to override, so use a Precondition of\n                                            // exists=true\n                                            s.push(new _n(c.key, h, xn(h.proto.mapValue), fn.exists(!0)));\n                                        }\n                                        return r.Sr.ko(t, i, s, e);\n                                    }));\n                                })).then((function(t) {\n                                    var e = t.lr(n);\n                                    return {\n                                        batchId: t.batchId,\n                                        wr: e\n                                    };\n                                }));\n                            }(i.ju, n) ];\n\n                          case 2:\n                            return o = t.sent(), i.Sh.xi(o.batchId), function(t, e, n) {\n                                var r = t.Oh[t.currentUser.ti()];\n                                r || (r = new bt(H)), r = r.ot(e, n), t.Oh[t.currentUser.ti()] = r;\n                            }(i, o.batchId, r), [ 4 /*yield*/ , Vs(i, o.wr) ];\n\n                          case 3:\n                            return t.sent(), [ 4 /*yield*/ , is(i.ph) ];\n\n                          case 4:\n                            return t.sent(), [ 3 /*break*/ , 6 ];\n\n                          case 5:\n                            return s = t.sent(), u = Lr(s, "Failed to persist write"), r.reject(u), [ 3 /*break*/ , 6 ];\n\n                          case 6:\n                            return [ 2 /*return*/ ];\n                        }\n                    }));\n                }));\n            }(n.fi, e, r);\n        })), r.promise;\n    }, e.prototype.U = function() {\n        return this.bl.U;\n    }, e.prototype.G_ = function(e) {\n        var n = this;\n        this.L_();\n        var r = new lu(e);\n        return this.cs.ws((function() {\n            return t.__awaiter(n, void 0, void 0, (function() {\n                return t.__generator(this, (function(t) {\n                    return [ 2 /*return*/ , function(t, e) {\n                        m(t).qs.add(e), \n                        // Immediately fire an initial event, indicating all existing listeners\n                        // are in-sync.\n                        e.next();\n                    }(this.q_, r) ];\n                }));\n            }));\n        })), function() {\n            r.Zl(), n.cs.ws((function() {\n                return t.__awaiter(n, void 0, void 0, (function() {\n                    return t.__generator(this, (function(t) {\n                        return [ 2 /*return*/ , function(t, e) {\n                            m(t).qs.delete(e);\n                        }(this.q_, r) ];\n                    }));\n                }));\n            }));\n        };\n    }, Object.defineProperty(e.prototype, "z_", {\n        get: function() {\n            // Technically, the asyncQueue is still running, but only accepting operations\n            // related to termination or supposed to be run after termination. It is effectively\n            // terminated to the eyes of users.\n            return this.cs.ps;\n        },\n        enumerable: !1,\n        configurable: !0\n    }), \n    /**\n     * Takes an updateFunction in which a set of reads and writes can be performed\n     * atomically. In the updateFunction, the client can read and write values\n     * using the supplied transaction object. After the updateFunction, all\n     * changes will be committed. If a retryable error occurs (ex: some other\n     * client has changed any of the data referenced), then the updateFunction\n     * will be called again after a backoff. If the updateFunction still fails\n     * after all retries, then the transaction will be rejected.\n     *\n     * The transaction object passed to the updateFunction contains methods for\n     * accessing documents and collections. Unlike other datastore access, data\n     * accessed with the transaction will not reflect local changes that have not\n     * been committed. For this reason, it is required that all reads are\n     * performed before any writes. Transactions must be performed while online.\n     */\n    e.prototype.transaction = function(t) {\n        var e = this;\n        this.L_();\n        var n = new dr;\n        return this.cs.ws((function() {\n            return new Wu(e.cs, e.Ku, t, n).run(), Promise.resolve();\n        })), n.promise;\n    }, e;\n}();\n\n/**\n * @license\n * Copyright 2019 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the "License");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an "AS IS" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/**\n * TransactionRunner encapsulates the logic needed to run and retry transactions\n * with backoff.\n */ function Qu(t) {\n    /**\n * Returns true if obj is an object and contains at least one of the specified\n * methods.\n */\n    return function(t, e) {\n        if ("object" != typeof t || null === t) return !1;\n        for (var n = t, r = 0, i = [ "next", "error", "complete" ]; r < i.length; r++) {\n            var o = i[r];\n            if (o in n && "function" == typeof n[o]) return !0;\n        }\n        return !1;\n    }(t);\n}\n\nvar Hu = /** @class */ function() {\n    function t(t, e, n, r, i) {\n        this.U = t, this.timestampsInSnapshots = e, this.H_ = n, this.Y_ = r, this.J_ = i;\n    }\n    return t.prototype.X_ = function(t) {\n        switch (Jt(t)) {\n          case 0 /* NullValue */ :\n            return null;\n\n          case 1 /* BooleanValue */ :\n            return t.booleanValue;\n\n          case 2 /* NumberValue */ :\n            return se(t.integerValue || t.doubleValue);\n\n          case 3 /* TimestampValue */ :\n            return this.Z_(t.timestampValue);\n\n          case 4 /* ServerTimestampValue */ :\n            return this.tf(t);\n\n          case 5 /* StringValue */ :\n            return t.stringValue;\n\n          case 6 /* BlobValue */ :\n            return this.J_(ue(t.bytesValue));\n\n          case 7 /* RefValue */ :\n            return this.ef(t.referenceValue);\n\n          case 8 /* GeoPointValue */ :\n            return this.nf(t.geoPointValue);\n\n          case 9 /* ArrayValue */ :\n            return this.sf(t.arrayValue);\n\n          case 10 /* ObjectValue */ :\n            return this.if(t.mapValue);\n\n          default:\n            throw y();\n        }\n    }, t.prototype.if = function(t) {\n        var e = this, n = {};\n        return _(t.fields || {}, (function(t, r) {\n            n[t] = e.X_(r);\n        })), n;\n    }, t.prototype.nf = function(t) {\n        return new Eu(se(t.latitude), se(t.longitude));\n    }, t.prototype.sf = function(t) {\n        var e = this;\n        return (t.values || []).map((function(t) {\n            return e.X_(t);\n        }));\n    }, t.prototype.tf = function(t) {\n        switch (this.H_) {\n          case "previous":\n            var e = Yt(t);\n            return null == e ? null : this.X_(e);\n\n          case "estimate":\n            return this.Z_($t(t));\n\n          default:\n            return null;\n        }\n    }, t.prototype.Z_ = function(t) {\n        var e = oe(t), n = new ot(e.seconds, e.nanos);\n        return this.timestampsInSnapshots ? n : n.toDate();\n    }, t.prototype.ef = function(t) {\n        var e = E.g(t);\n        g(He(e));\n        var n = new rt(e.get(1), e.get(3)), r = new A(e.u(5));\n        return n.isEqual(this.U) || \n        // TODO(b/64130202): Somehow support foreign references.\n        p("Document " + r + " contains a document reference within a different database (" + n.projectId + "/" + n.database + ") which is not supported. It will be treated as a reference in the current database (" + this.U.projectId + "/" + this.U.database + ") instead."), \n        this.Y_(r);\n    }, t;\n}(), Yu = ui.ho, $u = /** @class */ function() {\n    function t(t) {\n        var e, n, r, i, o;\n        if (void 0 === t.host) {\n            if (void 0 !== t.ssl) throw new c(a.INVALID_ARGUMENT, "Can\'t provide ssl option if host option is not set");\n            this.host = "firestore.googleapis.com", this.ssl = !0;\n        } else O("settings", "non-empty string", "host", t.host), this.host = t.host, P("settings", "boolean", "ssl", t.ssl), \n        this.ssl = null === (e = t.ssl) || void 0 === e || e;\n        if (j("settings", t, [ "host", "ssl", "credentials", "timestampsInSnapshots", "cacheSizeBytes", "experimentalForceLongPolling", "experimentalAutoDetectLongPolling", "ignoreUndefinedProperties" ]), \n        P("settings", "object", "credentials", t.credentials), this.credentials = t.credentials, \n        P("settings", "boolean", "timestampsInSnapshots", t.timestampsInSnapshots), P("settings", "boolean", "ignoreUndefinedProperties", t.ignoreUndefinedProperties), \n        // Nobody should set timestampsInSnapshots anymore, but the error depends on\n        // whether they set it to true or false...\n        !0 === t.timestampsInSnapshots ? p("The setting \'timestampsInSnapshots: true\' is no longer required and should be removed.") : !1 === t.timestampsInSnapshots && p("Support for \'timestampsInSnapshots: false\' will be removed soon. You must update your code to handle Timestamp objects."), \n        this.timestampsInSnapshots = null === (n = t.timestampsInSnapshots) || void 0 === n || n, \n        this.ignoreUndefinedProperties = null !== (r = t.ignoreUndefinedProperties) && void 0 !== r && r, \n        P("settings", "number", "cacheSizeBytes", t.cacheSizeBytes), void 0 === t.cacheSizeBytes) this.cacheSizeBytes = ui._o; else {\n            if (t.cacheSizeBytes !== Yu && t.cacheSizeBytes < ui.lo) throw new c(a.INVALID_ARGUMENT, "cacheSizeBytes must be at least " + ui.lo);\n            this.cacheSizeBytes = t.cacheSizeBytes;\n        }\n        P("settings", "boolean", "experimentalForceLongPolling", t.experimentalForceLongPolling), \n        this.experimentalForceLongPolling = null !== (i = t.experimentalForceLongPolling) && void 0 !== i && i, \n        P("settings", "boolean", "experimentalAutoDetectLongPolling", t.experimentalAutoDetectLongPolling), \n        this.experimentalAutoDetectLongPolling = null !== (o = t.experimentalAutoDetectLongPolling) && void 0 !== o && o, \n        function(t, e, n, r) {\n            if (!0 === e && !0 === r) throw new c(a.INVALID_ARGUMENT, "experimentalForceLongPolling and experimentalAutoDetectLongPolling cannot be used together.");\n        }(0, t.experimentalForceLongPolling, 0, t.experimentalAutoDetectLongPolling);\n    }\n    return t.prototype.isEqual = function(t) {\n        return this.host === t.host && this.ssl === t.ssl && this.timestampsInSnapshots === t.timestampsInSnapshots && this.credentials === t.credentials && this.cacheSizeBytes === t.cacheSizeBytes && this.experimentalForceLongPolling === t.experimentalForceLongPolling && this.experimentalAutoDetectLongPolling === t.experimentalAutoDetectLongPolling && this.ignoreUndefinedProperties === t.ignoreUndefinedProperties;\n    }, t;\n}(), Xu = /** @class */ function() {\n    // Note: We are using `MemoryComponentProvider` as a default\n    // ComponentProvider to ensure backwards compatibility with the format\n    // expected by the console build.\n    function e(n, r, i, o) {\n        var s = this;\n        if (void 0 === i && (i = new cu), void 0 === o && (o = new fu), this.rf = i, this.af = o, \n        this.cf = null, \n        // Public for use in tests.\n        // TODO(mikelehen): Use modularized initialization instead.\n        this.uf = new xr, this.INTERNAL = {\n            delete: function() {\n                return t.__awaiter(s, void 0, void 0, (function() {\n                    return t.__generator(this, (function(t) {\n                        switch (t.label) {\n                          case 0:\n                            // The client must be initalized to ensure that all subsequent API usage\n                            // throws an exception.\n                            return this.hf(), [ 4 /*yield*/ , this.lf.terminate() ];\n\n                          case 1:\n                            // The client must be initalized to ensure that all subsequent API usage\n                            // throws an exception.\n                            return t.sent(), [ 2 /*return*/ ];\n                        }\n                    }));\n                }));\n            }\n        }, "object" == typeof n.options) {\n            // This is very likely a Firebase app object\n            // TODO(b/34177605): Can we somehow use instanceof?\n            var u = n;\n            this.cf = u, this.__ = e._f(u), this.ff = u.name, this.df = new Oo(r);\n        } else {\n            var h = n;\n            if (!h.projectId) throw new c(a.INVALID_ARGUMENT, "Must provide projectId");\n            this.__ = new rt(h.projectId, h.database), \n            // Use a default persistenceKey that lines up with FirebaseApp.\n            this.ff = "[DEFAULT]", this.df = new Ro;\n        }\n        this.wf = new $u({});\n    }\n    return Object.defineProperty(e.prototype, "mf", {\n        get: function() {\n            return this.Tf || (\n            // Lazy initialize UserDataReader once the settings are frozen\n            this.Tf = new ku(this.__, this.wf.ignoreUndefinedProperties)), this.Tf;\n        },\n        enumerable: !1,\n        configurable: !0\n    }), e.prototype.settings = function(t) {\n        D("Firestore.settings", arguments, 1), k("Firestore.settings", "object", 1, t), \n        t.merge && \n        // Remove the property from the settings once the merge is completed\n        delete (t = Object.assign(Object.assign({}, this.wf), t)).merge;\n        var e = new $u(t);\n        if (this.lf && !this.wf.isEqual(e)) throw new c(a.FAILED_PRECONDITION, "Firestore has already been started and its settings can no longer be changed. You can only call settings() before calling any other methods on a Firestore object.");\n        this.wf = e, void 0 !== e.credentials && (this.df = function(t) {\n            if (!t) return new Ro;\n            switch (t.type) {\n              case "gapi":\n                var e = t.client;\n                // Make sure this really is a Gapi client.\n                                return g(!("object" != typeof e || null === e || !e.auth || !e.auth.getAuthHeaderValueForFirstParty)), \n                new Vo(e, t.sessionIndex || "0");\n\n              case "provider":\n                return t.client;\n\n              default:\n                throw new c(a.INVALID_ARGUMENT, "makeCredentialsProvider failed due to invalid credential type");\n            }\n        }(e.credentials));\n    }, e.prototype.enableNetwork = function() {\n        return this.hf(), this.lf.enableNetwork();\n    }, e.prototype.disableNetwork = function() {\n        return this.hf(), this.lf.disableNetwork();\n    }, e.prototype.enablePersistence = function(t) {\n        var e, n;\n        if (this.lf) throw new c(a.FAILED_PRECONDITION, "Firestore has already been started and persistence can no longer be enabled. You can only call enablePersistence() before calling any other methods on a Firestore object.");\n        var r = !1, i = !1;\n        if (t && (void 0 !== t.experimentalTabSynchronization && p("The \'experimentalTabSynchronization\' setting will be removed. Use \'synchronizeTabs\' instead."), \n        r = null !== (n = null !== (e = t.synchronizeTabs) && void 0 !== e ? e : t.experimentalTabSynchronization) && void 0 !== n && n, \n        i = !!t.experimentalForceOwningTab && t.experimentalForceOwningTab, r && i)) throw new c(a.INVALID_ARGUMENT, "The \'experimentalForceOwningTab\' setting cannot be used with \'synchronizeTabs\'.");\n        return this.Ef(this.rf, this.af, {\n            jl: !0,\n            cacheSizeBytes: this.wf.cacheSizeBytes,\n            synchronizeTabs: r,\n            ka: i\n        });\n    }, e.prototype.clearPersistence = function() {\n        return t.__awaiter(this, void 0, void 0, (function() {\n            var e, n = this;\n            return t.__generator(this, (function(r) {\n                if (void 0 !== this.lf && !this.lf.z_) throw new c(a.FAILED_PRECONDITION, "Persistence can only be cleared before a Firestore instance is initialized or after it is terminated.");\n                return e = new dr, [ 2 /*return*/ , (this.uf.bs((function() {\n                    return t.__awaiter(n, void 0, void 0, (function() {\n                        var n;\n                        return t.__generator(this, (function(t) {\n                            switch (t.label) {\n                              case 0:\n                                return t.trys.push([ 0, 2, , 3 ]), [ 4 /*yield*/ , this.rf.clearPersistence(this.__, this.ff) ];\n\n                              case 1:\n                                return t.sent(), e.resolve(), [ 3 /*break*/ , 3 ];\n\n                              case 2:\n                                return n = t.sent(), e.reject(n), [ 3 /*break*/ , 3 ];\n\n                              case 3:\n                                return [ 2 /*return*/ ];\n                            }\n                        }));\n                    }));\n                })), e.promise) ];\n            }));\n        }));\n    }, e.prototype.terminate = function() {\n        return this.app._removeServiceInstance("firestore"), this.INTERNAL.delete();\n    }, Object.defineProperty(e.prototype, "If", {\n        get: function() {\n            return this.hf(), this.lf.z_;\n        },\n        enumerable: !1,\n        configurable: !0\n    }), e.prototype.waitForPendingWrites = function() {\n        return this.hf(), this.lf.waitForPendingWrites();\n    }, e.prototype.onSnapshotsInSync = function(t) {\n        if (this.hf(), Qu(t)) return this.lf.G_(t);\n        k("Firestore.onSnapshotsInSync", "function", 1, t);\n        var e = {\n            next: t\n        };\n        return this.lf.G_(e);\n    }, e.prototype.hf = function() {\n        return this.lf || \n        // Kick off starting the client but don\'t actually wait for it.\n        // eslint-disable-next-line @typescript-eslint/no-floating-promises\n        this.Ef(new cu, new fu, {\n            jl: !1\n        }), this.lf;\n    }, e.prototype.Af = function() {\n        return new nt(this.__, this.ff, this.wf.host, this.wf.ssl, this.wf.experimentalForceLongPolling, this.wf.experimentalAutoDetectLongPolling);\n    }, e.prototype.Ef = function(t, e, n) {\n        var r = this.Af();\n        return this.lf = new Ku(this.df, this.uf), this.lf.start(r, t, e, n);\n    }, e._f = function(t) {\n        if (e = t.options, "projectId", !Object.prototype.hasOwnProperty.call(e, "projectId")) throw new c(a.INVALID_ARGUMENT, \'"projectId" not provided in firebase.initializeApp.\');\n        var e, n = t.options.projectId;\n        if (!n || "string" != typeof n) throw new c(a.INVALID_ARGUMENT, "projectId must be a string in FirebaseApp.options");\n        return new rt(n);\n    }, Object.defineProperty(e.prototype, "app", {\n        get: function() {\n            if (!this.cf) throw new c(a.FAILED_PRECONDITION, "Firestore was not initialized using the Firebase SDK. \'app\' is not available");\n            return this.cf;\n        },\n        enumerable: !1,\n        configurable: !0\n    }), e.prototype.collection = function(t) {\n        return D("Firestore.collection", arguments, 1), k("Firestore.collection", "non-empty string", 1, t), \n        this.hf(), new la(E.g(t), this, \n        /* converter= */ null);\n    }, e.prototype.doc = function(t) {\n        return D("Firestore.doc", arguments, 1), k("Firestore.doc", "non-empty string", 1, t), \n        this.hf(), ta.Rf(E.g(t), this, \n        /* converter= */ null);\n    }, e.prototype.collectionGroup = function(t) {\n        if (D("Firestore.collectionGroup", arguments, 1), k("Firestore.collectionGroup", "non-empty string", 1, t), \n        t.indexOf("/") >= 0) throw new c(a.INVALID_ARGUMENT, "Invalid collection ID \'" + t + "\' passed to function Firestore.collectionGroup(). Collection IDs must not contain \'/\'.");\n        return this.hf(), new ha(\n        /**\n * Creates a new Query for a collection group query that matches all documents\n * within the provided collection group.\n */\n        function(t) {\n            return new Pn(E.P(), t);\n        }(t), this, \n        /* converter= */ null);\n    }, e.prototype.runTransaction = function(t) {\n        var e = this;\n        return D("Firestore.runTransaction", arguments, 1), k("Firestore.runTransaction", "function", 1, t), \n        this.hf().transaction((function(n) {\n            return t(new Ju(e, n));\n        }));\n    }, e.prototype.batch = function() {\n        return this.hf(), new Zu(this);\n    }, Object.defineProperty(e, "logLevel", {\n        get: function() {\n            switch (f()) {\n              case n.LogLevel.DEBUG:\n                return "debug";\n\n              case n.LogLevel.ERROR:\n                return "error";\n\n              case n.LogLevel.SILENT:\n                return "silent";\n\n              case n.LogLevel.WARN:\n                return "warn";\n\n              case n.LogLevel.INFO:\n                return "info";\n\n              case n.LogLevel.VERBOSE:\n                return "verbose";\n\n              default:\n                // The default log level is error\n                return "error";\n            }\n        },\n        enumerable: !1,\n        configurable: !0\n    }), e.setLogLevel = function(t) {\n        var e;\n        D("Firestore.setLogLevel", arguments, 1), U("setLogLevel", [ "debug", "error", "silent", "warn", "info", "verbose" ], 1, t), \n        e = t, h.setLogLevel(e);\n    }, \n    // Note: this is not a property because the minifier can\'t work correctly with\n    // the way TypeScript compiler outputs properties.\n    e.prototype.gf = function() {\n        return this.wf.timestampsInSnapshots;\n    }, \n    // Visible for testing.\n    e.prototype.Pf = function() {\n        return this.wf;\n    }, e;\n}(), Ju = /** @class */ function() {\n    function t(t, e) {\n        this.yf = t, this.Vf = e;\n    }\n    return t.prototype.get = function(t) {\n        var e = this;\n        D("Transaction.get", arguments, 1);\n        var n = ya("Transaction.get", t, this.yf);\n        return this.Vf.v_([ n.f_ ]).then((function(t) {\n            if (!t || 1 !== t.length) return y();\n            var r = t[0];\n            if (r instanceof Rn) return new na(e.yf, n.f_, null, \n            /* fromCache= */ !1, \n            /* hasPendingWrites= */ !1, n.d_);\n            if (r instanceof kn) return new na(e.yf, n.f_, r, \n            /* fromCache= */ !1, \n            /* hasPendingWrites= */ !1, n.d_);\n            throw y();\n        }));\n    }, t.prototype.set = function(t, e, n) {\n        L("Transaction.set", arguments, 2, 3);\n        var r = ya("Transaction.set", t, this.yf);\n        n = pa("Transaction.set", n);\n        var i = ma(r.d_, e, n), o = Ru(this.yf.mf, "Transaction.set", r.f_, i, null !== r.d_, n);\n        return this.Vf.set(r.f_, o), this;\n    }, t.prototype.update = function(t, e, n) {\n        for (var r, i, o = [], s = 3; s < arguments.length; s++) o[s - 3] = arguments[s];\n        return "string" == typeof e || e instanceof du ? (x("Transaction.update", arguments, 3), \n        r = ya("Transaction.update", t, this.yf), i = Pu(this.yf.mf, "Transaction.update", r.f_, e, n, o)) : (D("Transaction.update", arguments, 2), \n        r = ya("Transaction.update", t, this.yf), i = Ou(this.yf.mf, "Transaction.update", r.f_, e)), \n        this.Vf.update(r.f_, i), this;\n    }, t.prototype.delete = function(t) {\n        D("Transaction.delete", arguments, 1);\n        var e = ya("Transaction.delete", t, this.yf);\n        return this.Vf.delete(e.f_), this;\n    }, t;\n}(), Zu = /** @class */ function() {\n    function t(t) {\n        this.yf = t, this.pf = [], this.bf = !1;\n    }\n    return t.prototype.set = function(t, e, n) {\n        L("WriteBatch.set", arguments, 2, 3), this.vf();\n        var r = ya("WriteBatch.set", t, this.yf);\n        n = pa("WriteBatch.set", n);\n        var i = ma(r.d_, e, n), o = Ru(this.yf.mf, "WriteBatch.set", r.f_, i, null !== r.d_, n);\n        return this.pf = this.pf.concat(o.w_(r.f_, fn.ze())), this;\n    }, t.prototype.update = function(t, e, n) {\n        for (var r, i, o = [], s = 3; s < arguments.length; s++) o[s - 3] = arguments[s];\n        return this.vf(), "string" == typeof e || e instanceof du ? (x("WriteBatch.update", arguments, 3), \n        r = ya("WriteBatch.update", t, this.yf), i = Pu(this.yf.mf, "WriteBatch.update", r.f_, e, n, o)) : (D("WriteBatch.update", arguments, 2), \n        r = ya("WriteBatch.update", t, this.yf), i = Ou(this.yf.mf, "WriteBatch.update", r.f_, e)), \n        this.pf = this.pf.concat(i.w_(r.f_, fn.exists(!0))), this;\n    }, t.prototype.delete = function(t) {\n        D("WriteBatch.delete", arguments, 1), this.vf();\n        var e = ya("WriteBatch.delete", t, this.yf);\n        return this.pf = this.pf.concat(new Nn(e.f_, fn.ze())), this;\n    }, t.prototype.commit = function() {\n        return this.vf(), this.bf = !0, this.pf.length > 0 ? this.yf.hf().write(this.pf) : Promise.resolve();\n    }, t.prototype.vf = function() {\n        if (this.bf) throw new c(a.FAILED_PRECONDITION, "A write batch can no longer be used after commit() has been called.");\n    }, t;\n}(), ta = /** @class */ function(e) {\n    function n(t, n, r) {\n        var i = this;\n        return (i = e.call(this, n.__, t, r) || this).f_ = t, i.firestore = n, i.d_ = r, \n        i.lf = i.firestore.hf(), i;\n    }\n    return t.__extends(n, e), n.Rf = function(t, e, r) {\n        if (t.length % 2 != 0) throw new c(a.INVALID_ARGUMENT, "Invalid document reference. Document references must have an even number of segments, but " + t.R() + " has " + t.length);\n        return new n(new A(t), e, r);\n    }, Object.defineProperty(n.prototype, "id", {\n        get: function() {\n            return this.f_.path._();\n        },\n        enumerable: !1,\n        configurable: !0\n    }), Object.defineProperty(n.prototype, "parent", {\n        get: function() {\n            return new la(this.f_.path.h(), this.firestore, this.d_);\n        },\n        enumerable: !1,\n        configurable: !0\n    }), Object.defineProperty(n.prototype, "path", {\n        get: function() {\n            return this.f_.path.R();\n        },\n        enumerable: !1,\n        configurable: !0\n    }), n.prototype.collection = function(t) {\n        if (D("DocumentReference.collection", arguments, 1), k("DocumentReference.collection", "non-empty string", 1, t), \n        !t) throw new c(a.INVALID_ARGUMENT, "Must provide a non-empty collection name to collection()");\n        var e = E.g(t);\n        return new la(this.f_.path.child(e), this.firestore, \n        /* converter= */ null);\n    }, n.prototype.isEqual = function(t) {\n        if (!(t instanceof n)) throw G("isEqual", "DocumentReference", 1, t);\n        return this.firestore === t.firestore && this.f_.isEqual(t.f_) && this.d_ === t.d_;\n    }, n.prototype.set = function(t, e) {\n        L("DocumentReference.set", arguments, 1, 2), e = pa("DocumentReference.set", e);\n        var n = ma(this.d_, t, e), r = Ru(this.firestore.mf, "DocumentReference.set", this.f_, n, null !== this.d_, e);\n        return this.lf.write(r.w_(this.f_, fn.ze()));\n    }, n.prototype.update = function(t, e) {\n        for (var n, r = [], i = 2; i < arguments.length; i++) r[i - 2] = arguments[i];\n        return "string" == typeof t || t instanceof du ? (x("DocumentReference.update", arguments, 2), \n        n = Pu(this.firestore.mf, "DocumentReference.update", this.f_, t, e, r)) : (D("DocumentReference.update", arguments, 1), \n        n = Ou(this.firestore.mf, "DocumentReference.update", this.f_, t)), this.lf.write(n.w_(this.f_, fn.exists(!0)));\n    }, n.prototype.delete = function() {\n        return D("DocumentReference.delete", arguments, 0), this.lf.write([ new Nn(this.f_, fn.ze()) ]);\n    }, n.prototype.onSnapshot = function() {\n        for (var t, e, n, r = this, i = [], o = 0; o < arguments.length; o++) i[o] = arguments[o];\n        L("DocumentReference.onSnapshot", arguments, 1, 4);\n        var s = {\n            includeMetadataChanges: !1\n        }, u = 0;\n        "object" != typeof i[u] || Qu(i[u]) || (j("DocumentReference.onSnapshot", s = i[u], [ "includeMetadataChanges" ]), \n        P("DocumentReference.onSnapshot", "boolean", "includeMetadataChanges", s.includeMetadataChanges), \n        u++);\n        var a = {\n            includeMetadataChanges: s.includeMetadataChanges\n        };\n        if (Qu(i[u])) {\n            var c = i[u];\n            i[u] = null === (t = c.next) || void 0 === t ? void 0 : t.bind(c), i[u + 1] = null === (e = c.error) || void 0 === e ? void 0 : e.bind(c), \n            i[u + 2] = null === (n = c.complete) || void 0 === n ? void 0 : n.bind(c);\n        } else k("DocumentReference.onSnapshot", "function", u, i[u]), R("DocumentReference.onSnapshot", "function", u + 1, i[u + 1]), \n        R("DocumentReference.onSnapshot", "function", u + 2, i[u + 2]);\n        var h = {\n            next: function(t) {\n                i[u] && i[u](r.Sf(t));\n            },\n            error: i[u + 1],\n            complete: i[u + 2]\n        };\n        return this.lf.listen(Un(this.f_.path), a, h);\n    }, n.prototype.get = function(t) {\n        var e = this;\n        L("DocumentReference.get", arguments, 0, 1), va("DocumentReference.get", t);\n        var n = this.firestore.hf();\n        return t && "cache" === t.source ? n.Q_(this.f_).then((function(t) {\n            return new na(e.firestore, e.f_, t, \n            /*fromCache=*/ !0, t instanceof kn && t.Je, e.d_);\n        })) : n.W_(this.f_, t).then((function(t) {\n            return e.Sf(t);\n        }));\n    }, n.prototype.withConverter = function(t) {\n        return new n(this.f_, this.firestore, t);\n    }, \n    /**\n     * Converts a ViewSnapshot that contains the current document to a\n     * DocumentSnapshot.\n     */\n    n.prototype.Sf = function(t) {\n        var e = t.docs.get(this.f_);\n        return new na(this.firestore, this.f_, e, t.fromCache, t.hasPendingWrites, this.d_);\n    }, n;\n}(Au), ea = /** @class */ function() {\n    function t(t, e) {\n        this.hasPendingWrites = t, this.fromCache = e\n        /**\n     * Returns true if this `SnapshotMetadata` is equal to the provided one.\n     *\n     * @param other The `SnapshotMetadata` to compare against.\n     * @return true if this `SnapshotMetadata` is equal to the provided one.\n     */;\n    }\n    return t.prototype.isEqual = function(t) {\n        return this.hasPendingWrites === t.hasPendingWrites && this.fromCache === t.fromCache;\n    }, t;\n}(), na = /** @class */ function() {\n    function t(t, e, n, r, i, o) {\n        this.yf = t, this.f_ = e, this.Df = n, this.Cf = r, this.Nf = i, this.d_ = o;\n    }\n    return t.prototype.data = function(t) {\n        var e = this;\n        if (L("DocumentSnapshot.data", arguments, 0, 1), t = da("DocumentSnapshot.data", t), \n        this.Df) {\n            // We only want to use the converter and create a new DocumentSnapshot\n            // if a converter has been provided.\n            if (this.d_) {\n                var n = new ra(this.yf, this.f_, this.Df, this.Cf, this.Nf, \n                /* converter= */ null);\n                return this.d_.fromFirestore(n, t);\n            }\n            return new Hu(this.yf.__, this.yf.gf(), t.serverTimestamps || "none", (function(t) {\n                return new ta(t, e.yf, /* converter= */ null);\n            }), (function(t) {\n                return new et(t);\n            })).X_(this.Df.rn());\n        }\n    }, t.prototype.get = function(t, e) {\n        var n = this;\n        if (L("DocumentSnapshot.get", arguments, 1, 2), e = da("DocumentSnapshot.get", e), \n        this.Df) {\n            var r = this.Df.data().field(qu("DocumentSnapshot.get", t, this.f_));\n            if (null !== r) return new Hu(this.yf.__, this.yf.gf(), e.serverTimestamps || "none", (function(t) {\n                return new ta(t, n.yf, n.d_);\n            }), (function(t) {\n                return new et(t);\n            })).X_(r);\n        }\n    }, Object.defineProperty(t.prototype, "id", {\n        get: function() {\n            return this.f_.path._();\n        },\n        enumerable: !1,\n        configurable: !0\n    }), Object.defineProperty(t.prototype, "ref", {\n        get: function() {\n            return new ta(this.f_, this.yf, this.d_);\n        },\n        enumerable: !1,\n        configurable: !0\n    }), Object.defineProperty(t.prototype, "exists", {\n        get: function() {\n            return null !== this.Df;\n        },\n        enumerable: !1,\n        configurable: !0\n    }), Object.defineProperty(t.prototype, "metadata", {\n        get: function() {\n            return new ea(this.Nf, this.Cf);\n        },\n        enumerable: !1,\n        configurable: !0\n    }), t.prototype.isEqual = function(e) {\n        if (!(e instanceof t)) throw G("isEqual", "DocumentSnapshot", 1, e);\n        return this.yf === e.yf && this.Cf === e.Cf && this.f_.isEqual(e.f_) && (null === this.Df ? null === e.Df : this.Df.isEqual(e.Df)) && this.d_ === e.d_;\n    }, t;\n}(), ra = /** @class */ function(e) {\n    function n() {\n        return null !== e && e.apply(this, arguments) || this;\n    }\n    return t.__extends(n, e), n.prototype.data = function(t) {\n        return e.prototype.data.call(this, t);\n    }, n;\n}(na);\n\n/**\n * @license\n * Copyright 2017 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the "License");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an "AS IS" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n// settings() defaults:\nfunction ia(t, e, n, r, i, o, s) {\n    var u;\n    if (i.p()) {\n        if ("array-contains" /* ARRAY_CONTAINS */ === o || "array-contains-any" /* ARRAY_CONTAINS_ANY */ === o) throw new c(a.INVALID_ARGUMENT, "Invalid Query. You can\'t perform \'" + o + "\' queries on FieldPath.documentId().");\n        if ("in" /* IN */ === o || "not-in" /* NOT_IN */ === o) {\n            ua(s, o);\n            for (var h = [], f = 0, l = s; f < l.length; f++) {\n                var p = l[f];\n                h.push(sa(r, t, p));\n            }\n            u = {\n                arrayValue: {\n                    values: h\n                }\n            };\n        } else u = sa(r, t, s);\n    } else "in" /* IN */ !== o && "not-in" /* NOT_IN */ !== o && "array-contains-any" /* ARRAY_CONTAINS_ANY */ !== o || ua(s, o), \n    u = Vu(n, e, s, \n    /* allowArrays= */ "in" /* IN */ === o || "not-in" /* NOT_IN */ === o);\n    var d = Jn.create(i, o, u);\n    return function(t, e) {\n        if (e.hn()) {\n            var n = qn(t);\n            if (null !== n && !n.isEqual(e.field)) throw new c(a.INVALID_ARGUMENT, "Invalid query. All where filters with an inequality (<, <=, >, or >=) must be on the same field. But you have inequality filters on \'" + n.toString() + "\' and \'" + e.field.toString() + "\'");\n            var r = Mn(t);\n            null !== r && aa(t, e.field, r);\n        }\n        var i = function(t, e) {\n            for (var n = 0, r = t.filters; n < r.length; n++) {\n                var i = r[n];\n                if (e.indexOf(i.op) >= 0) return i.op;\n            }\n            return null;\n        }(t, \n        /**\n * Given an operator, returns the set of operators that cannot be used with it.\n *\n * Operators in a query must adhere to the following set of rules:\n * 1. Only one array operator is allowed.\n * 2. Only one disjunctive operator is allowed.\n * 3. NOT_EQUAL cannot be used with another NOT_EQUAL operator.\n * 4. NOT_IN cannot be used with array, disjunctive, or NOT_EQUAL operators.\n *\n * Array operators: ARRAY_CONTAINS, ARRAY_CONTAINS_ANY\n * Disjunctive operators: IN, ARRAY_CONTAINS_ANY, NOT_IN\n */\n        function(t) {\n            switch (t) {\n              case "!=" /* NOT_EQUAL */ :\n                return [ "!=" /* NOT_EQUAL */ , "not-in" /* NOT_IN */ ];\n\n              case "array-contains" /* ARRAY_CONTAINS */ :\n                return [ "array-contains" /* ARRAY_CONTAINS */ , "array-contains-any" /* ARRAY_CONTAINS_ANY */ , "not-in" /* NOT_IN */ ];\n\n              case "in" /* IN */ :\n                return [ "array-contains-any" /* ARRAY_CONTAINS_ANY */ , "in" /* IN */ , "not-in" /* NOT_IN */ ];\n\n              case "array-contains-any" /* ARRAY_CONTAINS_ANY */ :\n                return [ "array-contains" /* ARRAY_CONTAINS */ , "array-contains-any" /* ARRAY_CONTAINS_ANY */ , "in" /* IN */ , "not-in" /* NOT_IN */ ];\n\n              case "not-in" /* NOT_IN */ :\n                return [ "array-contains" /* ARRAY_CONTAINS */ , "array-contains-any" /* ARRAY_CONTAINS_ANY */ , "in" /* IN */ , "not-in" /* NOT_IN */ , "!=" /* NOT_EQUAL */ ];\n\n              default:\n                return [];\n            }\n        }(e.op));\n        if (null !== i) \n        // Special case when it\'s a duplicate op to give a slightly clearer error message.\n        throw i === e.op ? new c(a.INVALID_ARGUMENT, "Invalid query. You cannot use more than one \'" + e.op.toString() + "\' filter.") : new c(a.INVALID_ARGUMENT, "Invalid query. You cannot use \'" + e.op.toString() + "\' filters with \'" + i.toString() + "\' filters.");\n    }(t, d), d;\n}\n\nfunction oa(t, e, n) {\n    if (null !== t.startAt) throw new c(a.INVALID_ARGUMENT, "Invalid query. You must not call startAt() or startAfter() before calling orderBy().");\n    if (null !== t.endAt) throw new c(a.INVALID_ARGUMENT, "Invalid query. You must not call endAt() or endBefore() before calling orderBy().");\n    var r = new fr(e, n);\n    return function(t, e) {\n        if (null === Mn(t)) {\n            // This is the first order by. It must match any inequality.\n            var n = qn(t);\n            null !== n && aa(t, n, e.field);\n        }\n    }(t, r), r\n    /**\n * Create a Bound from a query and a document.\n *\n * Note that the Bound will always include the key of the document\n * and so only the provided document will compare equal to the returned\n * position.\n *\n * Will throw if the document does not contain all fields of the order by\n * of the query or if any of the fields in the order by are an uncommitted\n * server timestamp.\n */\n    /**\n * Parses the given documentIdValue into a ReferenceValue, throwing\n * appropriate errors if the value is anything other than a DocumentReference\n * or String, or if the string is malformed.\n */;\n}\n\nfunction sa(t, e, n) {\n    if ("string" == typeof n) {\n        if ("" === n) throw new c(a.INVALID_ARGUMENT, "Invalid query. When querying with FieldPath.documentId(), you must provide a valid document ID, but it was an empty string.");\n        if (!jn(e) && -1 !== n.indexOf("/")) throw new c(a.INVALID_ARGUMENT, "Invalid query. When querying a collection by FieldPath.documentId(), you must provide a plain document ID, but \'" + n + "\' contains a \'/\' character.");\n        var r = e.path.child(E.g(n));\n        if (!A.F(r)) throw new c(a.INVALID_ARGUMENT, "Invalid query. When querying a collection group by FieldPath.documentId(), the value provided must result in a valid document path, but \'" + r + "\' is not because it has an odd number of segments (" + r.length + ").");\n        return ae(t, new A(r));\n    }\n    if (n instanceof Au) return ae(t, n.f_);\n    throw new c(a.INVALID_ARGUMENT, "Invalid query. When querying with FieldPath.documentId(), you must provide a valid string or a DocumentReference, but it was: " + M(n) + ".");\n}\n\n/**\n * Validates that the value passed into a disjunctive filter satisfies all\n * array requirements.\n */ function ua(t, e) {\n    if (!Array.isArray(t) || 0 === t.length) throw new c(a.INVALID_ARGUMENT, "Invalid Query. A non-empty array is required for \'" + e.toString() + "\' filters.");\n    if (t.length > 10) throw new c(a.INVALID_ARGUMENT, "Invalid Query. \'" + e.toString() + "\' filters support a maximum of 10 elements in the value array.");\n    if ("in" /* IN */ === e || "array-contains-any" /* ARRAY_CONTAINS_ANY */ === e) {\n        if (t.indexOf(null) >= 0) throw new c(a.INVALID_ARGUMENT, "Invalid Query. \'" + e.toString() + "\' filters cannot contain \'null\' in the value array.");\n        if (t.filter((function(t) {\n            return Number.isNaN(t);\n        })).length > 0) throw new c(a.INVALID_ARGUMENT, "Invalid Query. \'" + e.toString() + "\' filters cannot contain \'NaN\' in the value array.");\n    }\n}\n\nfunction aa(t, e, n) {\n    if (!n.isEqual(e)) throw new c(a.INVALID_ARGUMENT, "Invalid query. You have a where filter with an inequality (<, <=, >, or >=) on field \'" + e.toString() + "\' and so you must also use \'" + e.toString() + "\' as your first orderBy(), but your first orderBy() is on field \'" + n.toString() + "\' instead.");\n}\n\nfunction ca(t) {\n    if (Fn(t) && 0 === t.on.length) throw new c(a.UNIMPLEMENTED, "limitToLast() queries require specifying at least one orderBy() clause");\n}\n\nvar ha = /** @class */ function() {\n    function e(t, e, n) {\n        this.Ff = t, this.firestore = e, this.d_ = n;\n    }\n    return e.prototype.where = function(t, n, r) {\n        D("Query.where", arguments, 3), q("Query.where", 3, r);\n        // Enumerated from the WhereFilterOp type in index.d.ts.\n        var i = U("Query.where", [ "<" /* LESS_THAN */ , "<=" /* LESS_THAN_OR_EQUAL */ , "==" /* EQUAL */ , "!=" /* NOT_EQUAL */ , ">=" /* GREATER_THAN_OR_EQUAL */ , ">" /* GREATER_THAN */ , "array-contains" /* ARRAY_CONTAINS */ , "in" /* IN */ , "array-contains-any" /* ARRAY_CONTAINS_ANY */ , "not-in" /* NOT_IN */ ], 2, n), o = qu("Query.where", t), s = ia(this.Ff, "Query.where", this.firestore.mf, this.firestore.__, o, i, r);\n        return new e(function(t, e) {\n            var n = t.filters.concat([ e ]);\n            return new Pn(t.path, t.collectionGroup, t.on.slice(), n, t.limit, t.an, t.startAt, t.endAt);\n        }(this.Ff, s), this.firestore, this.d_);\n    }, e.prototype.orderBy = function(t, n) {\n        var r;\n        if (L("Query.orderBy", arguments, 1, 2), R("Query.orderBy", "non-empty string", 2, n), \n        void 0 === n || "asc" === n) r = "asc" /* ASCENDING */; else {\n            if ("desc" !== n) throw new c(a.INVALID_ARGUMENT, "Function Query.orderBy() has unknown direction \'" + n + "\', expected \'asc\' or \'desc\'.");\n            r = "desc" /* DESCENDING */;\n        }\n        var i = qu("Query.orderBy", t), o = oa(this.Ff, i, r);\n        return new e(function(t, e) {\n            // TODO(dimond): validate that orderBy does not list the same key twice.\n            var n = t.on.concat([ e ]);\n            return new Pn(t.path, t.collectionGroup, n, t.filters.slice(), t.limit, t.an, t.startAt, t.endAt);\n        }(this.Ff, o), this.firestore, this.d_);\n    }, e.prototype.limit = function(t) {\n        return D("Query.limit", arguments, 1), k("Query.limit", "number", 1, t), z("Query.limit", 1, t), \n        new e(Bn(this.Ff, t, "F" /* First */), this.firestore, this.d_);\n    }, e.prototype.limitToLast = function(t) {\n        return D("Query.limitToLast", arguments, 1), k("Query.limitToLast", "number", 1, t), \n        z("Query.limitToLast", 1, t), new e(Bn(this.Ff, t, "L" /* Last */), this.firestore, this.d_);\n    }, e.prototype.startAt = function(t) {\n        for (var n = [], r = 1; r < arguments.length; r++) n[r - 1] = arguments[r];\n        x("Query.startAt", arguments, 1);\n        var i = this.xf("Query.startAt", t, n, \n        /*before=*/ !0);\n        return new e(Wn(this.Ff, i), this.firestore, this.d_);\n    }, e.prototype.startAfter = function(t) {\n        for (var n = [], r = 1; r < arguments.length; r++) n[r - 1] = arguments[r];\n        x("Query.startAfter", arguments, 1);\n        var i = this.xf("Query.startAfter", t, n, \n        /*before=*/ !1);\n        return new e(Wn(this.Ff, i), this.firestore, this.d_);\n    }, e.prototype.endBefore = function(t) {\n        for (var n = [], r = 1; r < arguments.length; r++) n[r - 1] = arguments[r];\n        x("Query.endBefore", arguments, 1);\n        var i = this.xf("Query.endBefore", t, n, \n        /*before=*/ !0);\n        return new e(Kn(this.Ff, i), this.firestore, this.d_);\n    }, e.prototype.endAt = function(t) {\n        for (var n = [], r = 1; r < arguments.length; r++) n[r - 1] = arguments[r];\n        x("Query.endAt", arguments, 1);\n        var i = this.xf("Query.endAt", t, n, \n        /*before=*/ !1);\n        return new e(Kn(this.Ff, i), this.firestore, this.d_);\n    }, e.prototype.isEqual = function(t) {\n        if (!(t instanceof e)) throw G("isEqual", "Query", 1, t);\n        return this.firestore === t.firestore && Qn(this.Ff, t.Ff) && this.d_ === t.d_;\n    }, e.prototype.withConverter = function(t) {\n        return new e(this.Ff, this.firestore, t);\n    }, \n    /** Helper function to create a bound from a document or fields */ e.prototype.xf = function(e, n, r, i) {\n        if (q(e, 1, n), n instanceof na) return D(e, t.__spreadArrays([ n ], r), 1), function(t, e, n, r, i) {\n            if (!r) throw new c(a.NOT_FOUND, "Can\'t use a DocumentSnapshot that doesn\'t exist for " + n + "().");\n            // Because people expect to continue/end a query at the exact document\n            // provided, we need to use the implicit sort order rather than the explicit\n            // sort order, because it\'s guaranteed to contain the document key. That way\n            // the position becomes unambiguous and the query continues/ends exactly at\n            // the provided document. Without the key (by using the explicit sort\n            // orders), multiple documents could match the position, yielding duplicate\n            // results.\n            for (var o = [], s = 0, u = Gn(t); s < u.length; s++) {\n                var h = u[s];\n                if (h.field.p()) o.push(ae(e, r.key)); else {\n                    var f = r.field(h.field);\n                    if (Ht(f)) throw new c(a.INVALID_ARGUMENT, \'Invalid query. You are trying to start or end a query using a document for which the field "\' + h.field + \'" is an uncommitted server timestamp. (Since the value of this field is unknown, you cannot start/end a query with it.)\');\n                    if (null === f) {\n                        var l = h.field.R();\n                        throw new c(a.INVALID_ARGUMENT, "Invalid query. You are trying to start or end a query using a document for which the field \'" + l + "\' (used as the orderBy) does not exist.");\n                    }\n                    o.push(f);\n                }\n            }\n            return new ur(o, i);\n        }(this.Ff, this.firestore.__, e, n.Df, i);\n        var o = [ n ].concat(r);\n        return function(t, e, n, r, i, o) {\n            // Use explicit order by\'s because it has to match the query the user made\n            var s = t.on;\n            if (i.length > s.length) throw new c(a.INVALID_ARGUMENT, "Too many arguments provided to " + r + "(). The number of arguments must be less than or equal to the number of orderBy() clauses");\n            for (var u = [], h = 0; h < i.length; h++) {\n                var f = i[h];\n                if (s[h].field.p()) {\n                    if ("string" != typeof f) throw new c(a.INVALID_ARGUMENT, "Invalid query. Expected a string for document ID in " + r + "(), but got a " + typeof f);\n                    if (!jn(t) && -1 !== f.indexOf("/")) throw new c(a.INVALID_ARGUMENT, "Invalid query. When querying a collection and ordering by FieldPath.documentId(), the value passed to " + r + "() must be a plain document ID, but \'" + f + "\' contains a slash.");\n                    var l = t.path.child(E.g(f));\n                    if (!A.F(l)) throw new c(a.INVALID_ARGUMENT, "Invalid query. When querying a collection group and ordering by FieldPath.documentId(), the value passed to " + r + "() must result in a valid document path, but \'" + l + "\' is not because it contains an odd number of segments.");\n                    var p = new A(l);\n                    u.push(ae(e, p));\n                } else {\n                    var d = Vu(n, r, f);\n                    u.push(d);\n                }\n            }\n            return new ur(u, o);\n        }(this.Ff, this.firestore.__, this.firestore.mf, e, o, i);\n    }, e.prototype.onSnapshot = function() {\n        for (var t, e, n, r = this, i = [], o = 0; o < arguments.length; o++) i[o] = arguments[o];\n        L("Query.onSnapshot", arguments, 1, 4);\n        var s = {}, u = 0;\n        if ("object" != typeof i[u] || Qu(i[u]) || (j("Query.onSnapshot", s = i[u], [ "includeMetadataChanges" ]), \n        P("Query.onSnapshot", "boolean", "includeMetadataChanges", s.includeMetadataChanges), \n        u++), Qu(i[u])) {\n            var a = i[u];\n            i[u] = null === (t = a.next) || void 0 === t ? void 0 : t.bind(a), i[u + 1] = null === (e = a.error) || void 0 === e ? void 0 : e.bind(a), \n            i[u + 2] = null === (n = a.complete) || void 0 === n ? void 0 : n.bind(a);\n        } else k("Query.onSnapshot", "function", u, i[u]), R("Query.onSnapshot", "function", u + 1, i[u + 1]), \n        R("Query.onSnapshot", "function", u + 2, i[u + 2]);\n        var c = {\n            next: function(t) {\n                i[u] && i[u](new fa(r.firestore, r.Ff, t, r.d_));\n            },\n            error: i[u + 1],\n            complete: i[u + 2]\n        };\n        return ca(this.Ff), this.firestore.hf().listen(this.Ff, s, c);\n    }, e.prototype.get = function(t) {\n        var e = this;\n        L("Query.get", arguments, 0, 1), va("Query.get", t), ca(this.Ff);\n        var n = this.firestore.hf();\n        return (t && "cache" === t.source ? n.j_(this.Ff) : n.K_(this.Ff, t)).then((function(t) {\n            return new fa(e.firestore, e.Ff, t, e.d_);\n        }));\n    }, e;\n}(), fa = /** @class */ function() {\n    function t(t, e, n, r) {\n        this.yf = t, this.$f = e, this.kf = n, this.d_ = r, this.Mf = null, this.Of = null, \n        this.metadata = new ea(n.hasPendingWrites, n.fromCache);\n    }\n    return Object.defineProperty(t.prototype, "docs", {\n        get: function() {\n            var t = [];\n            return this.forEach((function(e) {\n                return t.push(e);\n            })), t;\n        },\n        enumerable: !1,\n        configurable: !0\n    }), Object.defineProperty(t.prototype, "empty", {\n        get: function() {\n            return this.kf.docs.m();\n        },\n        enumerable: !1,\n        configurable: !0\n    }), Object.defineProperty(t.prototype, "size", {\n        get: function() {\n            return this.kf.docs.size;\n        },\n        enumerable: !1,\n        configurable: !0\n    }), t.prototype.forEach = function(t, e) {\n        var n = this;\n        L("QuerySnapshot.forEach", arguments, 1, 2), k("QuerySnapshot.forEach", "function", 1, t), \n        this.kf.docs.forEach((function(r) {\n            t.call(e, n.Lf(r, n.metadata.fromCache, n.kf.Wt.has(r.key)));\n        }));\n    }, Object.defineProperty(t.prototype, "query", {\n        get: function() {\n            return new ha(this.$f, this.yf, this.d_);\n        },\n        enumerable: !1,\n        configurable: !0\n    }), t.prototype.docChanges = function(t) {\n        t && (j("QuerySnapshot.docChanges", t, [ "includeMetadataChanges" ]), P("QuerySnapshot.docChanges", "boolean", "includeMetadataChanges", t.includeMetadataChanges));\n        var e = !(!t || !t.includeMetadataChanges);\n        if (e && this.kf.Kt) throw new c(a.INVALID_ARGUMENT, "To include metadata changes with your document changes, you must also pass { includeMetadataChanges:true } to onSnapshot().");\n        return this.Mf && this.Of === e || (this.Mf = \n        /**\n     * Calculates the array of DocumentChanges for a given ViewSnapshot.\n     *\n     * Exported for testing.\n     *\n     * @param snapshot The ViewSnapshot that represents the expected state.\n     * @param includeMetadataChanges Whether to include metadata changes.\n     * @param converter A factory function that returns a QueryDocumentSnapshot.\n     * @return An object that matches the DocumentChange API.\n     */\n        function(t, e, n) {\n            if (t.Qt.m()) {\n                // Special case the first snapshot because index calculation is easy and\n                // fast\n                var r = 0;\n                return t.docChanges.map((function(e) {\n                    var i = n(e.doc, t.fromCache, t.Wt.has(e.doc.key));\n                    return e.doc, {\n                        type: "added",\n                        doc: i,\n                        oldIndex: -1,\n                        newIndex: r++\n                    };\n                }));\n            }\n            // A DocumentSet that is updated incrementally as changes are applied to use\n            // to lookup the index of a document.\n            var i = t.Qt;\n            return t.docChanges.filter((function(t) {\n                return e || 3 /* Metadata */ !== t.type;\n            })).map((function(e) {\n                var r = n(e.doc, t.fromCache, t.Wt.has(e.doc.key)), o = -1, s = -1;\n                return 0 /* Added */ !== e.type && (o = i.indexOf(e.doc.key), i = i.delete(e.doc.key)), \n                1 /* Removed */ !== e.type && (s = (i = i.add(e.doc)).indexOf(e.doc.key)), {\n                    type: ga(e.type),\n                    doc: r,\n                    oldIndex: o,\n                    newIndex: s\n                };\n            }));\n        }(this.kf, e, this.Lf.bind(this)), this.Of = e), this.Mf;\n    }, \n    /** Check the equality. The call can be very expensive. */ t.prototype.isEqual = function(e) {\n        if (!(e instanceof t)) throw G("isEqual", "QuerySnapshot", 1, e);\n        return this.yf === e.yf && Qn(this.$f, e.$f) && this.kf.isEqual(e.kf) && this.d_ === e.d_;\n    }, t.prototype.Lf = function(t, e, n) {\n        return new ra(this.yf, t.key, t, e, n, this.d_);\n    }, t;\n}(), la = /** @class */ function(e) {\n    function n(t, n, r) {\n        var i = this;\n        if ((i = e.call(this, Un(t), n, r) || this).Bf = t, t.length % 2 != 1) throw new c(a.INVALID_ARGUMENT, "Invalid collection reference. Collection references must have an odd number of segments, but " + t.R() + " has " + t.length);\n        return i;\n    }\n    return t.__extends(n, e), Object.defineProperty(n.prototype, "id", {\n        get: function() {\n            return this.Ff.path._();\n        },\n        enumerable: !1,\n        configurable: !0\n    }), Object.defineProperty(n.prototype, "parent", {\n        get: function() {\n            var t = this.Ff.path.h();\n            return t.m() ? null : new ta(new A(t), this.firestore, \n            /* converter= */ null);\n        },\n        enumerable: !1,\n        configurable: !0\n    }), Object.defineProperty(n.prototype, "path", {\n        get: function() {\n            return this.Ff.path.R();\n        },\n        enumerable: !1,\n        configurable: !0\n    }), n.prototype.doc = function(t) {\n        L("CollectionReference.doc", arguments, 0, 1), \n        // We allow omission of \'pathString\' but explicitly prohibit passing in both\n        // \'undefined\' and \'null\'.\n        0 === arguments.length && (t = Q.k()), k("CollectionReference.doc", "non-empty string", 1, t);\n        var e = E.g(t);\n        return ta.Rf(this.Ff.path.child(e), this.firestore, this.d_);\n    }, n.prototype.add = function(t) {\n        D("CollectionReference.add", arguments, 1);\n        var e = this.d_ ? this.d_.toFirestore(t) : t;\n        k("CollectionReference.add", "object", 1, e);\n        var n = this.doc();\n        // Call set() with the converted value directly to avoid calling toFirestore() a second time.\n                return new ta(n.f_, this.firestore, null).set(e).then((function() {\n            return n;\n        }));\n    }, n.prototype.withConverter = function(t) {\n        return new n(this.Bf, this.firestore, t);\n    }, n;\n}(ha);\n\nfunction pa(t, e) {\n    if (void 0 === e) return {\n        merge: !1\n    };\n    if (j(t, e, [ "merge", "mergeFields" ]), P(t, "boolean", "merge", e.merge), function(t, e, n, r, i) {\n        void 0 !== r && function(t, e, n, r, i) {\n            if (!(r instanceof Array)) throw new c(a.INVALID_ARGUMENT, "Function " + t + "() requires its " + e + " option to be an array, but it was: " + M(r));\n            for (var o = 0; o < r.length; ++o) if (!i(r[o])) throw new c(a.INVALID_ARGUMENT, "Function " + t + "() requires all " + e + " elements to be " + n + ", but the value at index " + o + " was: " + M(r[o]));\n        }(t, e, n, r, i);\n    }(t, "mergeFields", "a string or a FieldPath", e.mergeFields, (function(t) {\n        return "string" == typeof t || t instanceof du;\n    })), void 0 !== e.mergeFields && void 0 !== e.merge) throw new c(a.INVALID_ARGUMENT, "Invalid options passed to function " + t + \'(): You cannot specify both "merge" and "mergeFields".\');\n    return e;\n}\n\nfunction da(t, e) {\n    return void 0 === e ? {} : (j(t, e, [ "serverTimestamps" ]), V(t, 0, "serverTimestamps", e.serverTimestamps, [ "estimate", "previous", "none" ]), \n    e);\n}\n\nfunction va(t, e) {\n    R(t, "object", 1, e), e && (j(t, e, [ "source" ]), V(t, 0, "source", e.source, [ "default", "server", "cache" ]));\n}\n\nfunction ya(t, e, n) {\n    if (e instanceof Au) {\n        if (e.firestore !== n) throw new c(a.INVALID_ARGUMENT, "Provided document reference is from a different Firestore instance.");\n        return e;\n    }\n    throw G(t, "DocumentReference", 1, e);\n}\n\nfunction ga(t) {\n    switch (t) {\n      case 0 /* Added */ :\n        return "added";\n\n      case 2 /* Modified */ :\n      case 3 /* Metadata */ :\n        return "modified";\n\n      case 1 /* Removed */ :\n        return "removed";\n\n      default:\n        return y();\n    }\n}\n\n/**\n * Converts custom model object of type T into DocumentData by applying the\n * converter if it exists.\n *\n * This function is used when converting user objects to DocumentData\n * because we want to provide the user with a more specific error message if\n * their set() or fails due to invalid data originating from a toFirestore()\n * call.\n */ function ma(t, e, n) {\n    // Cast to `any` in order to satisfy the union type constraint on\n    // toFirestore().\n    // eslint-disable-next-line @typescript-eslint/no-explicit-any\n    return t ? n && (n.merge || n.mergeFields) ? t.toFirestore(e, n) : t.toFirestore(e) : e;\n}\n\n/**\n * @license\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the "License");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an "AS IS" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */ var wa = /** @class */ function(e) {\n    function n() {\n        return null !== e && e.apply(this, arguments) || this;\n    }\n    return t.__extends(n, e), n.serverTimestamp = function() {\n        S("FieldValue.serverTimestamp", arguments);\n        var t = new wu("serverTimestamp");\n        return t.e_ = "FieldValue.serverTimestamp", new n(t);\n    }, n.delete = function() {\n        S("FieldValue.delete", arguments);\n        var t = new gu("deleteField");\n        return t.e_ = "FieldValue.delete", new n(t);\n    }, n.arrayUnion = function() {\n        for (var t = [], e = 0; e < arguments.length; e++) t[e] = arguments[e];\n        x("FieldValue.arrayUnion", arguments, 1);\n        var r = \n        /**\n * Returns a special value that can be used with {@link setDoc()} or {@link\n * updateDoc()} that tells the server to union the given elements with any array\n * value that already exists on the server. Each specified element that doesn\'t\n * already exist in the array will be added to the end. If the field being\n * modified is not already an array it will be overwritten with an array\n * containing exactly the specified elements.\n *\n * @param elements The elements to union into the array.\n * @return The `FieldValue` sentinel for use in a call to `setDoc()` or\n * `updateDoc()`.\n */\n        function() {\n            for (var t = [], e = 0; e < arguments.length; e++) t[e] = arguments[e];\n            // NOTE: We don\'t actually parse the data until it\'s used in set() or\n            // update() since we\'d need the Firestore instance to do this.\n                        return x("arrayUnion()", arguments, 1), new _u("arrayUnion", t);\n        }.apply(void 0, t);\n        return r.e_ = "FieldValue.arrayUnion", new n(r);\n    }, n.arrayRemove = function() {\n        for (var t = [], e = 0; e < arguments.length; e++) t[e] = arguments[e];\n        x("FieldValue.arrayRemove", arguments, 1);\n        var r = function() {\n            for (var t = [], e = 0; e < arguments.length; 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(this.c.info("Successfully pinged google.com"), H(2)) : (this.c.info("Failed to ping google.com"), H(1)); };\r\nfunction Fd(a) { a.v = 0; a.I = -1; if (a.f) {\r\n    if (0 != jd(a.b).length || 0 != a.g.length)\r\n        a.b.c.length = 0, sa(a.g), a.g.length = 0;\r\n    a.f.qa();\r\n} }\r\nfunction Fc(a, b, c) { var d = ad(c); if ("" != d.c)\r\n    b && Qc(d, b + "." + d.c), Rc(d, d.h);\r\nelse {\r\n    var e = k.location;\r\n    d = bd(e.protocol, b ? b + "." + e.hostname : e.hostname, +e.port, c);\r\n} a.W && Aa(a.W, function (f, h) { Q(d, h, f); }); b = a.A; c = a.na; b && c && Q(d, b, c); Q(d, "VER", a.ha); Ed(a, d); return d; }\r\nfunction oc(a, b) { if (b && !a.C)\r\n    throw Error("Can\'t create secondary domain capable XhrIo object."); b = new X(a.Ka); b.F = a.C; return b; }\r\nfunction Md() { }\r\ng = Md.prototype;\r\ng.ta = function () { };\r\ng.sa = function () { };\r\ng.ra = function () { };\r\ng.qa = function () { };\r\ng.Ha = function () { };\r\nfunction Nd() { if (x && !(10 <= Number(Ua)))\r\n    throw Error("Environmental error: no available transport."); }\r\nNd.prototype.a = function (a, b) { return new Y(a, b); };\r\nfunction Y(a, b) {\r\n    D.call(this);\r\n    this.a = new Cd(b);\r\n    this.l = a;\r\n    this.b = b && b.messageUrlParams || null;\r\n    a = b && b.messageHeaders || null;\r\n    b && b.clientProtocolHeaderRequired && (a ? a["X-Client-Protocol"] = "webchannel" : a = { "X-Client-Protocol": "webchannel" });\r\n    this.a.l = a;\r\n    a = b && b.initMessageHeaders || null;\r\n    b && b.messageContentType && (a ? a["X-WebChannel-Content-Type"] = b.messageContentType : a = { "X-WebChannel-Content-Type": b.messageContentType });\r\n    b && b.a && (a ? a["X-WebChannel-Client-Profile"] = b.a : a = { "X-WebChannel-Client-Profile": b.a });\r\n    this.a.O =\r\n        a;\r\n    (a = b && b.httpHeadersOverwriteParam) && !ta(a) && (this.a.i = a);\r\n    this.h = b && b.supportsCrossDomainXhr || !1;\r\n    this.g = b && b.sendRawJson || !1;\r\n    (b = b && b.httpSessionIdParam) && !ta(b) && (this.a.A = b, a = this.b, null !== a && b in a && (a = this.b, b in a && delete a[b]));\r\n    this.f = new Z(this);\r\n}\r\nr(Y, D);\r\ng = Y.prototype;\r\ng.addEventListener = function (a, b, c, d) { Y.S.addEventListener.call(this, a, b, c, d); };\r\ng.removeEventListener = function (a, b, c, d) { Y.S.removeEventListener.call(this, a, b, c, d); };\r\ng.Oa = function () { this.a.f = this.f; this.h && (this.a.C = !0); var a = this.a, b = this.l, c = this.b || void 0; H(0); a.fa = b; a.W = c || {}; a.H = a.T; a.B = Fc(a, null, a.fa); Ic(a); };\r\ng.close = function () { Jc(this.a); };\r\ng.Pa = function (a) { if ("string" === typeof a) {\r\n    var b = {};\r\n    b.__data__ = a;\r\n    Gd(this.a, b);\r\n}\r\nelse\r\n    this.g ? (b = {}, b.__data__ = vb(a), Gd(this.a, b)) : Gd(this.a, a); };\r\ng.G = function () { this.a.f = null; delete this.f; Jc(this.a); delete this.a; Y.S.G.call(this); };\r\nfunction Od(a) { dc.call(this); var b = a.__sm__; if (b) {\r\n    a: {\r\n        for (var c in b) {\r\n            a = c;\r\n            break a;\r\n        }\r\n        a = void 0;\r\n    }\r\n    (this.c = a) ? (a = this.c, this.data = null !== b && a in b ? b[a] : void 0) : this.data = b;\r\n}\r\nelse\r\n    this.data = a; }\r\nr(Od, dc);\r\nfunction Pd() { ec.call(this); this.status = 1; }\r\nr(Pd, ec);\r\nfunction Z(a) { this.a = a; }\r\nr(Z, Md);\r\nZ.prototype.ta = function () { this.a.dispatchEvent("a"); };\r\nZ.prototype.sa = function (a) { this.a.dispatchEvent(new Od(a)); };\r\nZ.prototype.ra = function (a) { this.a.dispatchEvent(new Pd(a)); };\r\nZ.prototype.qa = function () { this.a.dispatchEvent("b"); }; /*\r\n\n Copyright 2017 Google LLC\r\n\n Licensed under the Apache License, Version 2.0 (the "License");\r\n you may not use this file except in compliance with the License.\r\n You may obtain a copy of the License at\r\n\n   http://www.apache.org/licenses/LICENSE-2.0\r\n\n Unless required by applicable law or agreed to in writing, software\r\n distributed under the License is distributed on an "AS IS" BASIS,\r\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n See the License for the specific language governing permissions and\r\n limitations under the License.\r\n*/\r\nNd.prototype.createWebChannel = Nd.prototype.a;\r\nY.prototype.send = Y.prototype.Pa;\r\nY.prototype.open = Y.prototype.Oa;\r\nY.prototype.close = Y.prototype.close;\r\nZb.NO_ERROR = 0;\r\nZb.TIMEOUT = 8;\r\nZb.HTTP_ERROR = 6;\r\n$b.COMPLETE = "complete";\r\ncc.EventType = J;\r\nJ.OPEN = "a";\r\nJ.CLOSE = "b";\r\nJ.ERROR = "c";\r\nJ.MESSAGE = "d";\r\nD.prototype.listen = D.prototype.va;\r\nX.prototype.listenOnce = X.prototype.wa;\r\nX.prototype.getLastError = X.prototype.Qa;\r\nX.prototype.getLastErrorCode = X.prototype.ua;\r\nX.prototype.getStatus = X.prototype.X;\r\nX.prototype.getResponseJson = X.prototype.Na;\r\nX.prototype.getResponseText = X.prototype.$;\r\nX.prototype.send = X.prototype.ba;\r\nvar createWebChannelTransport = function () { return new Nd; };\r\nvar ErrorCode = Zb;\r\nvar EventType = $b;\r\nvar WebChannel = cc;\r\nvar XhrIo = X;\r\n\r\nvar esm = {\r\n    createWebChannelTransport: createWebChannelTransport,\r\n    ErrorCode: ErrorCode,\r\n    EventType: EventType,\r\n    WebChannel: WebChannel,\r\n    XhrIo: XhrIo\r\n};\n\n/* harmony default export */ __webpack_exports__["default"] = (esm);\n\n//# sourceMappingURL=index.esm.js.map\n\n/* WEBPACK VAR INJECTION */}.call(this, __webpack_require__(10)))\n\n//# sourceURL=webpack:///./node_modules/@firebase/webchannel-wrapper/dist/index.esm.js?')},function(module,exports,__webpack_require__){"use strict";eval("\n\nvar firebase = __webpack_require__(2);\nvar tslib = __webpack_require__(0);\nvar component = __webpack_require__(3);\n\nfunction _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }\n\nvar firebase__default = /*#__PURE__*/_interopDefaultLegacy(firebase);\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * Standard error codes for different ways a request can fail, as defined by:\r\n * https://github.com/googleapis/googleapis/blob/master/google/rpc/code.proto\r\n *\r\n * This map is used primarily to convert from a backend error code string to\r\n * a client SDK error code string, and make sure it's in the supported set.\r\n */\r\nvar errorCodeMap = {\r\n    OK: 'ok',\r\n    CANCELLED: 'cancelled',\r\n    UNKNOWN: 'unknown',\r\n    INVALID_ARGUMENT: 'invalid-argument',\r\n    DEADLINE_EXCEEDED: 'deadline-exceeded',\r\n    NOT_FOUND: 'not-found',\r\n    ALREADY_EXISTS: 'already-exists',\r\n    PERMISSION_DENIED: 'permission-denied',\r\n    UNAUTHENTICATED: 'unauthenticated',\r\n    RESOURCE_EXHAUSTED: 'resource-exhausted',\r\n    FAILED_PRECONDITION: 'failed-precondition',\r\n    ABORTED: 'aborted',\r\n    OUT_OF_RANGE: 'out-of-range',\r\n    UNIMPLEMENTED: 'unimplemented',\r\n    INTERNAL: 'internal',\r\n    UNAVAILABLE: 'unavailable',\r\n    DATA_LOSS: 'data-loss'\r\n};\r\n/**\r\n * An explicit error that can be thrown from a handler to send an error to the\r\n * client that called the function.\r\n */\r\nvar HttpsErrorImpl = /** @class */ (function (_super) {\r\n    tslib.__extends(HttpsErrorImpl, _super);\r\n    function HttpsErrorImpl(code, message, details) {\r\n        var _this = _super.call(this, message) || this;\r\n        // This is a workaround for a bug in TypeScript when extending Error:\r\n        // tslint:disable-next-line\r\n        // https://github.com/Microsoft/TypeScript-wiki/blob/master/Breaking-Changes.md#extending-built-ins-like-error-array-and-map-may-no-longer-work\r\n        Object.setPrototypeOf(_this, HttpsErrorImpl.prototype);\r\n        _this.code = code;\r\n        _this.details = details;\r\n        return _this;\r\n    }\r\n    return HttpsErrorImpl;\r\n}(Error));\r\n/**\r\n * Takes an HTTP status code and returns the corresponding ErrorCode.\r\n * This is the standard HTTP status code -> error mapping defined in:\r\n * https://github.com/googleapis/googleapis/blob/master/google/rpc/code.proto\r\n *\r\n * @param status An HTTP status code.\r\n * @return The corresponding ErrorCode, or ErrorCode.UNKNOWN if none.\r\n */\r\nfunction codeForHTTPStatus(status) {\r\n    // Make sure any successful status is OK.\r\n    if (status >= 200 && status < 300) {\r\n        return 'ok';\r\n    }\r\n    switch (status) {\r\n        case 0:\r\n            // This can happen if the server returns 500.\r\n            return 'internal';\r\n        case 400:\r\n            return 'invalid-argument';\r\n        case 401:\r\n            return 'unauthenticated';\r\n        case 403:\r\n            return 'permission-denied';\r\n        case 404:\r\n            return 'not-found';\r\n        case 409:\r\n            return 'aborted';\r\n        case 429:\r\n            return 'resource-exhausted';\r\n        case 499:\r\n            return 'cancelled';\r\n        case 500:\r\n            return 'internal';\r\n        case 501:\r\n            return 'unimplemented';\r\n        case 503:\r\n            return 'unavailable';\r\n        case 504:\r\n            return 'deadline-exceeded';\r\n    }\r\n    return 'unknown';\r\n}\r\n/**\r\n * Takes an HTTP response and returns the corresponding Error, if any.\r\n */\r\nfunction _errorForResponse(status, bodyJSON, serializer) {\r\n    var code = codeForHTTPStatus(status);\r\n    // Start with reasonable defaults from the status code.\r\n    var description = code;\r\n    var details = undefined;\r\n    // Then look through the body for explicit details.\r\n    try {\r\n        var errorJSON = bodyJSON && bodyJSON.error;\r\n        if (errorJSON) {\r\n            var status_1 = errorJSON.status;\r\n            if (typeof status_1 === 'string') {\r\n                if (!errorCodeMap[status_1]) {\r\n                    // They must've included an unknown error code in the body.\r\n                    return new HttpsErrorImpl('internal', 'internal');\r\n                }\r\n                code = errorCodeMap[status_1];\r\n                // TODO(klimt): Add better default descriptions for error enums.\r\n                // The default description needs to be updated for the new code.\r\n                description = status_1;\r\n            }\r\n            var message = errorJSON.message;\r\n            if (typeof message === 'string') {\r\n                description = message;\r\n            }\r\n            details = errorJSON.details;\r\n            if (details !== undefined) {\r\n                details = serializer.decode(details);\r\n            }\r\n        }\r\n    }\r\n    catch (e) {\r\n        // If we couldn't parse explicit error data, that's fine.\r\n    }\r\n    if (code === 'ok') {\r\n        // Technically, there's an edge case where a developer could explicitly\r\n        // return an error code of OK, and we will treat it as success, but that\r\n        // seems reasonable.\r\n        return null;\r\n    }\r\n    return new HttpsErrorImpl(code, description, details);\r\n}\n\n/**\r\n * Helper class to get metadata that should be included with a function call.\r\n */\r\nvar ContextProvider = /** @class */ (function () {\r\n    function ContextProvider(authProvider, messagingProvider) {\r\n        var _this = this;\r\n        this.auth = null;\r\n        this.messaging = null;\r\n        this.auth = authProvider.getImmediate({ optional: true });\r\n        this.messaging = messagingProvider.getImmediate({\r\n            optional: true\r\n        });\r\n        if (!this.auth) {\r\n            authProvider.get().then(function (auth) { return (_this.auth = auth); }, function () {\r\n                /* get() never rejects */\r\n            });\r\n        }\r\n        if (!this.messaging) {\r\n            messagingProvider.get().then(function (messaging) { return (_this.messaging = messaging); }, function () {\r\n                /* get() never rejects */\r\n            });\r\n        }\r\n    }\r\n    ContextProvider.prototype.getAuthToken = function () {\r\n        return tslib.__awaiter(this, void 0, void 0, function () {\r\n            var token, e_1;\r\n            return tslib.__generator(this, function (_a) {\r\n                switch (_a.label) {\r\n                    case 0:\r\n                        if (!this.auth) {\r\n                            return [2 /*return*/, undefined];\r\n                        }\r\n                        _a.label = 1;\r\n                    case 1:\r\n                        _a.trys.push([1, 3, , 4]);\r\n                        return [4 /*yield*/, this.auth.getToken()];\r\n                    case 2:\r\n                        token = _a.sent();\r\n                        if (!token) {\r\n                            return [2 /*return*/, undefined];\r\n                        }\r\n                        return [2 /*return*/, token.accessToken];\r\n                    case 3:\r\n                        e_1 = _a.sent();\r\n                        // If there's any error when trying to get the auth token, leave it off.\r\n                        return [2 /*return*/, undefined];\r\n                    case 4: return [2 /*return*/];\r\n                }\r\n            });\r\n        });\r\n    };\r\n    ContextProvider.prototype.getInstanceIdToken = function () {\r\n        return tslib.__awaiter(this, void 0, void 0, function () {\r\n            return tslib.__generator(this, function (_a) {\r\n                if (!this.messaging ||\r\n                    !('Notification' in self) ||\r\n                    Notification.permission !== 'granted') {\r\n                    return [2 /*return*/, undefined];\r\n                }\r\n                try {\r\n                    return [2 /*return*/, this.messaging.getToken()];\r\n                }\r\n                catch (e) {\r\n                    // We don't warn on this, because it usually means messaging isn't set up.\r\n                    // console.warn('Failed to retrieve instance id token.', e);\r\n                    // If there's any error when trying to get the token, leave it off.\r\n                    return [2 /*return*/, undefined];\r\n                }\r\n                return [2 /*return*/];\r\n            });\r\n        });\r\n    };\r\n    ContextProvider.prototype.getContext = function () {\r\n        return tslib.__awaiter(this, void 0, void 0, function () {\r\n            var authToken, instanceIdToken;\r\n            return tslib.__generator(this, function (_a) {\r\n                switch (_a.label) {\r\n                    case 0: return [4 /*yield*/, this.getAuthToken()];\r\n                    case 1:\r\n                        authToken = _a.sent();\r\n                        return [4 /*yield*/, this.getInstanceIdToken()];\r\n                    case 2:\r\n                        instanceIdToken = _a.sent();\r\n                        return [2 /*return*/, { authToken: authToken, instanceIdToken: instanceIdToken }];\r\n                }\r\n            });\r\n        });\r\n    };\r\n    return ContextProvider;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nvar LONG_TYPE = 'type.googleapis.com/google.protobuf.Int64Value';\r\nvar UNSIGNED_LONG_TYPE = 'type.googleapis.com/google.protobuf.UInt64Value';\r\nfunction mapValues(\r\n// { [k: string]: unknown } is no longer a wildcard assignment target after typescript 3.5\r\n// eslint-disable-next-line @typescript-eslint/no-explicit-any\r\no, f) {\r\n    var result = {};\r\n    for (var key in o) {\r\n        if (o.hasOwnProperty(key)) {\r\n            result[key] = f(o[key]);\r\n        }\r\n    }\r\n    return result;\r\n}\r\nvar Serializer = /** @class */ (function () {\r\n    function Serializer() {\r\n    }\r\n    // Takes data and encodes it in a JSON-friendly way, such that types such as\r\n    // Date are preserved.\r\n    Serializer.prototype.encode = function (data) {\r\n        var _this = this;\r\n        if (data == null) {\r\n            return null;\r\n        }\r\n        if (data instanceof Number) {\r\n            data = data.valueOf();\r\n        }\r\n        if (typeof data === 'number' && isFinite(data)) {\r\n            // Any number in JS is safe to put directly in JSON and parse as a double\r\n            // without any loss of precision.\r\n            return data;\r\n        }\r\n        if (data === true || data === false) {\r\n            return data;\r\n        }\r\n        if (Object.prototype.toString.call(data) === '[object String]') {\r\n            return data;\r\n        }\r\n        if (Array.isArray(data)) {\r\n            return data.map(function (x) { return _this.encode(x); });\r\n        }\r\n        if (typeof data === 'function' || typeof data === 'object') {\r\n            return mapValues(data, function (x) { return _this.encode(x); });\r\n        }\r\n        // If we got this far, the data is not encodable.\r\n        throw new Error('Data cannot be encoded in JSON: ' + data);\r\n    };\r\n    // Takes data that's been encoded in a JSON-friendly form and returns a form\r\n    // with richer datatypes, such as Dates, etc.\r\n    Serializer.prototype.decode = function (json) {\r\n        var _this = this;\r\n        if (json == null) {\r\n            return json;\r\n        }\r\n        if (json['@type']) {\r\n            switch (json['@type']) {\r\n                case LONG_TYPE:\r\n                // Fall through and handle this the same as unsigned.\r\n                case UNSIGNED_LONG_TYPE: {\r\n                    // Technically, this could work return a valid number for malformed\r\n                    // data if there was a number followed by garbage. But it's just not\r\n                    // worth all the extra code to detect that case.\r\n                    var value = Number(json['value']);\r\n                    if (isNaN(value)) {\r\n                        throw new Error('Data cannot be decoded from JSON: ' + json);\r\n                    }\r\n                    return value;\r\n                }\r\n                default: {\r\n                    throw new Error('Data cannot be decoded from JSON: ' + json);\r\n                }\r\n            }\r\n        }\r\n        if (Array.isArray(json)) {\r\n            return json.map(function (x) { return _this.decode(x); });\r\n        }\r\n        if (typeof json === 'function' || typeof json === 'object') {\r\n            return mapValues(json, function (x) { return _this.decode(x); });\r\n        }\r\n        // Anything else is safe to return.\r\n        return json;\r\n    };\r\n    return Serializer;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * Returns a Promise that will be rejected after the given duration.\r\n * The error will be of type HttpsErrorImpl.\r\n *\r\n * @param millis Number of milliseconds to wait before rejecting.\r\n */\r\nfunction failAfter(millis) {\r\n    var timer;\r\n    var promise = new Promise(function (_, reject) {\r\n        timer = setTimeout(function () {\r\n            reject(new HttpsErrorImpl('deadline-exceeded', 'deadline-exceeded'));\r\n        }, millis);\r\n    });\r\n    return {\r\n        timer: timer,\r\n        promise: promise\r\n    };\r\n}\r\n/**\r\n * The main class for the Firebase Functions SDK.\r\n */\r\nvar Service = /** @class */ (function () {\r\n    /**\r\n     * Creates a new Functions service for the given app and (optional) region or custom domain.\r\n     * @param app_ The FirebaseApp to use.\r\n     * @param regionOrCustomDomain_ one of:\r\n     *   a) A region to call functions from, such as us-central1\r\n     *   b) A custom domain to use as a functions prefix, such as https://mydomain.com\r\n     */\r\n    function Service(app_, authProvider, messagingProvider, regionOrCustomDomain_, fetchImpl) {\r\n        var _this = this;\r\n        if (regionOrCustomDomain_ === void 0) { regionOrCustomDomain_ = 'us-central1'; }\r\n        this.app_ = app_;\r\n        this.fetchImpl = fetchImpl;\r\n        this.serializer = new Serializer();\r\n        this.emulatorOrigin = null;\r\n        this.INTERNAL = {\r\n            delete: function () {\r\n                return Promise.resolve(_this.deleteService());\r\n            }\r\n        };\r\n        this.contextProvider = new ContextProvider(authProvider, messagingProvider);\r\n        // Cancels all ongoing requests when resolved.\r\n        this.cancelAllRequests = new Promise(function (resolve) {\r\n            _this.deleteService = function () {\r\n                return resolve();\r\n            };\r\n        });\r\n        // Resolve the region or custom domain overload by attempting to parse it.\r\n        try {\r\n            var url = new URL(regionOrCustomDomain_);\r\n            this.customDomain = url.origin;\r\n            this.region = 'us-central1';\r\n        }\r\n        catch (e) {\r\n            this.customDomain = null;\r\n            this.region = regionOrCustomDomain_;\r\n        }\r\n    }\r\n    Object.defineProperty(Service.prototype, \"app\", {\r\n        get: function () {\r\n            return this.app_;\r\n        },\r\n        enumerable: false,\r\n        configurable: true\r\n    });\r\n    /**\r\n     * Returns the URL for a callable with the given name.\r\n     * @param name The name of the callable.\r\n     */\r\n    Service.prototype._url = function (name) {\r\n        var projectId = this.app_.options.projectId;\r\n        if (this.emulatorOrigin !== null) {\r\n            var origin_1 = this.emulatorOrigin;\r\n            return origin_1 + \"/\" + projectId + \"/\" + this.region + \"/\" + name;\r\n        }\r\n        if (this.customDomain !== null) {\r\n            return this.customDomain + \"/\" + name;\r\n        }\r\n        return \"https://\" + this.region + \"-\" + projectId + \".cloudfunctions.net/\" + name;\r\n    };\r\n    /**\r\n     * Changes this instance to point to a Cloud Functions emulator running\r\n     * locally. See https://firebase.google.com/docs/functions/local-emulator\r\n     *\r\n     * @param origin The origin of the local emulator, such as\r\n     * \"http://localhost:5005\".\r\n     */\r\n    Service.prototype.useFunctionsEmulator = function (origin) {\r\n        this.emulatorOrigin = origin;\r\n    };\r\n    /**\r\n     * Returns a reference to the callable https trigger with the given name.\r\n     * @param name The name of the trigger.\r\n     */\r\n    Service.prototype.httpsCallable = function (name, options) {\r\n        var _this = this;\r\n        return function (data) {\r\n            return _this.call(name, data, options || {});\r\n        };\r\n    };\r\n    /**\r\n     * Does an HTTP POST and returns the completed response.\r\n     * @param url The url to post to.\r\n     * @param body The JSON body of the post.\r\n     * @param headers The HTTP headers to include in the request.\r\n     * @return A Promise that will succeed when the request finishes.\r\n     */\r\n    Service.prototype.postJSON = function (url, body, headers) {\r\n        return tslib.__awaiter(this, void 0, void 0, function () {\r\n            var response, e_1, json, e_2;\r\n            return tslib.__generator(this, function (_a) {\r\n                switch (_a.label) {\r\n                    case 0:\r\n                        headers['Content-Type'] = 'application/json';\r\n                        _a.label = 1;\r\n                    case 1:\r\n                        _a.trys.push([1, 3, , 4]);\r\n                        return [4 /*yield*/, this.fetchImpl(url, {\r\n                                method: 'POST',\r\n                                body: JSON.stringify(body),\r\n                                headers: headers\r\n                            })];\r\n                    case 2:\r\n                        response = _a.sent();\r\n                        return [3 /*break*/, 4];\r\n                    case 3:\r\n                        e_1 = _a.sent();\r\n                        // This could be an unhandled error on the backend, or it could be a\r\n                        // network error. There's no way to know, since an unhandled error on the\r\n                        // backend will fail to set the proper CORS header, and thus will be\r\n                        // treated as a network error by fetch.\r\n                        return [2 /*return*/, {\r\n                                status: 0,\r\n                                json: null\r\n                            }];\r\n                    case 4:\r\n                        json = null;\r\n                        _a.label = 5;\r\n                    case 5:\r\n                        _a.trys.push([5, 7, , 8]);\r\n                        return [4 /*yield*/, response.json()];\r\n                    case 6:\r\n                        json = _a.sent();\r\n                        return [3 /*break*/, 8];\r\n                    case 7:\r\n                        e_2 = _a.sent();\r\n                        return [3 /*break*/, 8];\r\n                    case 8: return [2 /*return*/, {\r\n                            status: response.status,\r\n                            json: json\r\n                        }];\r\n                }\r\n            });\r\n        });\r\n    };\r\n    /**\r\n     * Calls a callable function asynchronously and returns the result.\r\n     * @param name The name of the callable trigger.\r\n     * @param data The data to pass as params to the function.s\r\n     */\r\n    Service.prototype.call = function (name, data, options) {\r\n        return tslib.__awaiter(this, void 0, void 0, function () {\r\n            var url, body, headers, context, timeout, _a, timer, failAfterPromise, response, error, responseData, decodedData;\r\n            return tslib.__generator(this, function (_b) {\r\n                switch (_b.label) {\r\n                    case 0:\r\n                        url = this._url(name);\r\n                        // Encode any special types, such as dates, in the input data.\r\n                        data = this.serializer.encode(data);\r\n                        body = { data: data };\r\n                        headers = {};\r\n                        return [4 /*yield*/, this.contextProvider.getContext()];\r\n                    case 1:\r\n                        context = _b.sent();\r\n                        if (context.authToken) {\r\n                            headers['Authorization'] = 'Bearer ' + context.authToken;\r\n                        }\r\n                        if (context.instanceIdToken) {\r\n                            headers['Firebase-Instance-ID-Token'] = context.instanceIdToken;\r\n                        }\r\n                        timeout = options.timeout || 70000;\r\n                        _a = failAfter(timeout), timer = _a.timer, failAfterPromise = _a.promise;\r\n                        return [4 /*yield*/, Promise.race([\r\n                                clearTimeoutWrapper(timer, this.postJSON(url, body, headers)),\r\n                                failAfterPromise,\r\n                                clearTimeoutWrapper(timer, this.cancelAllRequests)\r\n                            ])];\r\n                    case 2:\r\n                        response = _b.sent();\r\n                        // If service was deleted, interrupted response throws an error.\r\n                        if (!response) {\r\n                            throw new HttpsErrorImpl('cancelled', 'Firebase Functions instance was deleted.');\r\n                        }\r\n                        error = _errorForResponse(response.status, response.json, this.serializer);\r\n                        if (error) {\r\n                            throw error;\r\n                        }\r\n                        if (!response.json) {\r\n                            throw new HttpsErrorImpl('internal', 'Response is not valid JSON object.');\r\n                        }\r\n                        responseData = response.json.data;\r\n                        // TODO(klimt): For right now, allow \"result\" instead of \"data\", for\r\n                        // backwards compatibility.\r\n                        if (typeof responseData === 'undefined') {\r\n                            responseData = response.json.result;\r\n                        }\r\n                        if (typeof responseData === 'undefined') {\r\n                            // Consider the response malformed.\r\n                            throw new HttpsErrorImpl('internal', 'Response is missing data field.');\r\n                        }\r\n                        decodedData = this.serializer.decode(responseData);\r\n                        return [2 /*return*/, { data: decodedData }];\r\n                }\r\n            });\r\n        });\r\n    };\r\n    return Service;\r\n}());\r\nfunction clearTimeoutWrapper(timer, promise) {\r\n    return tslib.__awaiter(this, void 0, void 0, function () {\r\n        var result;\r\n        return tslib.__generator(this, function (_a) {\r\n            switch (_a.label) {\r\n                case 0: return [4 /*yield*/, promise];\r\n                case 1:\r\n                    result = _a.sent();\r\n                    // eslint-disable-next-line @typescript-eslint/no-explicit-any\r\n                    clearTimeout(timer);\r\n                    return [2 /*return*/, result];\r\n            }\r\n        });\r\n    });\r\n}\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * Type constant for Firebase Functions.\r\n */\r\nvar FUNCTIONS_TYPE = 'functions';\r\nfunction registerFunctions(instance, fetchImpl) {\r\n    var namespaceExports = {\r\n        // no-inline\r\n        Functions: Service\r\n    };\r\n    function factory(container, regionOrCustomDomain) {\r\n        // Dependencies\r\n        var app = container.getProvider('app').getImmediate();\r\n        var authProvider = container.getProvider('auth-internal');\r\n        var messagingProvider = container.getProvider('messaging');\r\n        // eslint-disable-next-line @typescript-eslint/no-explicit-any\r\n        return new Service(app, authProvider, messagingProvider, regionOrCustomDomain, fetchImpl);\r\n    }\r\n    instance.INTERNAL.registerComponent(new component.Component(FUNCTIONS_TYPE, factory, \"PUBLIC\" /* PUBLIC */)\r\n        .setServiceProps(namespaceExports)\r\n        .setMultipleInstances(true));\r\n}\n\nvar name = \"@firebase/functions\";\nvar version = \"0.5.1\";\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nregisterFunctions(firebase__default['default'], fetch.bind(self));\r\nfirebase__default['default'].registerVersion(name, version);\n//# sourceMappingURL=index.cjs.js.map\n\n\n//# sourceURL=webpack:///./node_modules/@firebase/functions/dist/index.cjs.js?")},function(module,__webpack_exports__,__webpack_require__){"use strict";eval('__webpack_require__.r(__webpack_exports__);\n/* harmony import */ var _firebase_installations__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(8);\n/* harmony import */ var _firebase_component__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(3);\n/* harmony import */ var _firebase_component__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(_firebase_component__WEBPACK_IMPORTED_MODULE_1__);\n/* harmony import */ var _firebase_util__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(1);\n/* harmony import */ var _firebase_util__WEBPACK_IMPORTED_MODULE_2___default = /*#__PURE__*/__webpack_require__.n(_firebase_util__WEBPACK_IMPORTED_MODULE_2__);\n/* harmony import */ var tslib__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(0);\n/* harmony import */ var idb__WEBPACK_IMPORTED_MODULE_4__ = __webpack_require__(5);\n/* harmony import */ var idb__WEBPACK_IMPORTED_MODULE_4___default = /*#__PURE__*/__webpack_require__.n(idb__WEBPACK_IMPORTED_MODULE_4__);\n/* harmony import */ var _firebase_app__WEBPACK_IMPORTED_MODULE_5__ = __webpack_require__(2);\n/* harmony import */ var _firebase_app__WEBPACK_IMPORTED_MODULE_5___default = /*#__PURE__*/__webpack_require__.n(_firebase_app__WEBPACK_IMPORTED_MODULE_5__);\n\n\n\n\n\n\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nvar _a;\r\nvar ERROR_MAP = (_a = {},\r\n    _a["missing-app-config-values" /* MISSING_APP_CONFIG_VALUES */] = \'Missing App configuration value: "{$valueName}"\',\r\n    _a["only-available-in-window" /* AVAILABLE_IN_WINDOW */] = \'This method is available in a Window context.\',\r\n    _a["only-available-in-sw" /* AVAILABLE_IN_SW */] = \'This method is available in a service worker context.\',\r\n    _a["permission-default" /* PERMISSION_DEFAULT */] = \'The notification permission was not granted and dismissed instead.\',\r\n    _a["permission-blocked" /* PERMISSION_BLOCKED */] = \'The notification permission was not granted and blocked instead.\',\r\n    _a["unsupported-browser" /* UNSUPPORTED_BROWSER */] = "This browser doesn\'t support the API\'s required to use the firebase SDK.",\r\n    _a["failed-service-worker-registration" /* FAILED_DEFAULT_REGISTRATION */] = \'We are unable to register the default service worker. {$browserErrorMessage}\',\r\n    _a["token-subscribe-failed" /* TOKEN_SUBSCRIBE_FAILED */] = \'A problem occurred while subscribing the user to FCM: {$errorInfo}\',\r\n    _a["token-subscribe-no-token" /* TOKEN_SUBSCRIBE_NO_TOKEN */] = \'FCM returned no token when subscribing the user to push.\',\r\n    _a["token-unsubscribe-failed" /* TOKEN_UNSUBSCRIBE_FAILED */] = \'A problem occurred while unsubscribing the \' +\r\n        \'user from FCM: {$errorInfo}\',\r\n    _a["token-update-failed" /* TOKEN_UPDATE_FAILED */] = \'A problem occurred while updating the user from FCM: {$errorInfo}\',\r\n    _a["token-update-no-token" /* TOKEN_UPDATE_NO_TOKEN */] = \'FCM returned no token when updating the user to push.\',\r\n    _a["use-sw-after-get-token" /* USE_SW_AFTER_GET_TOKEN */] = \'The useServiceWorker() method may only be called once and must be \' +\r\n        \'called before calling getToken() to ensure your service worker is used.\',\r\n    _a["invalid-sw-registration" /* INVALID_SW_REGISTRATION */] = \'The input to useServiceWorker() must be a ServiceWorkerRegistration.\',\r\n    _a["invalid-bg-handler" /* INVALID_BG_HANDLER */] = \'The input to setBackgroundMessageHandler() must be a function.\',\r\n    _a["invalid-vapid-key" /* INVALID_VAPID_KEY */] = \'The public VAPID key must be a string.\',\r\n    _a["use-vapid-key-after-get-token" /* USE_VAPID_KEY_AFTER_GET_TOKEN */] = \'The usePublicVapidKey() method may only be called once and must be \' +\r\n        \'called before calling getToken() to ensure your VAPID key is used.\',\r\n    _a);\r\nvar ERROR_FACTORY = new _firebase_util__WEBPACK_IMPORTED_MODULE_2__["ErrorFactory"](\'messaging\', \'Messaging\', ERROR_MAP);\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nvar DEFAULT_SW_PATH = \'/firebase-messaging-sw.js\';\r\nvar DEFAULT_SW_SCOPE = \'/firebase-cloud-messaging-push-scope\';\r\nvar DEFAULT_VAPID_KEY = \'BDOU99-h67HcA6JeFXHbSNMu7e2yNNu3RzoMj8TM4W88jITfq7ZmPvIM1Iv-4_l2LxQcYwhqby2xGpWwzjfAnG4\';\r\nvar ENDPOINT = \'https://fcmregistrations.googleapis.com/v1\';\r\n/** Key of FCM Payload in Notification\'s data field. */\r\nvar FCM_MSG = \'FCM_MSG\';\r\nvar CONSOLE_CAMPAIGN_ID = \'google.c.a.c_id\';\r\nvar CONSOLE_CAMPAIGN_NAME = \'google.c.a.c_l\';\r\nvar CONSOLE_CAMPAIGN_TIME = \'google.c.a.ts\';\r\n/** Set to \'1\' if Analytics is enabled for the campaign */\r\nvar CONSOLE_CAMPAIGN_ANALYTICS_ENABLED = \'google.c.a.e\';\r\nvar TAG = \'FirebaseMessaging: \';\n\n/**\r\n * @license\r\n * Copyright 2018 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except\r\n * in compliance with the License. You may obtain a copy of the License at\r\n *\r\n * http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software distributed under the License\r\n * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express\r\n * or implied. See the License for the specific language governing permissions and limitations under\r\n * the License.\r\n */\r\nvar MessageType;\r\n(function (MessageType) {\r\n    MessageType["PUSH_RECEIVED"] = "push-received";\r\n    MessageType["NOTIFICATION_CLICKED"] = "notification-clicked";\r\n})(MessageType || (MessageType = {}));\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nfunction arrayToBase64(array) {\r\n    var uint8Array = new Uint8Array(array);\r\n    var base64String = btoa(String.fromCharCode.apply(String, Object(tslib__WEBPACK_IMPORTED_MODULE_3__["__spread"])(uint8Array)));\r\n    return base64String.replace(/=/g, \'\').replace(/\\+/g, \'-\').replace(/\\//g, \'_\');\r\n}\r\nfunction base64ToArray(base64String) {\r\n    var padding = \'=\'.repeat((4 - (base64String.length % 4)) % 4);\r\n    var base64 = (base64String + padding)\r\n        .replace(/\\-/g, \'+\')\r\n        .replace(/_/g, \'/\');\r\n    var rawData = atob(base64);\r\n    var outputArray = new Uint8Array(rawData.length);\r\n    for (var i = 0; i < rawData.length; ++i) {\r\n        outputArray[i] = rawData.charCodeAt(i);\r\n    }\r\n    return outputArray;\r\n}\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nvar OLD_DB_NAME = \'fcm_token_details_db\';\r\n/**\r\n * The last DB version of \'fcm_token_details_db\' was 4. This is one higher, so that the upgrade\r\n * callback is called for all versions of the old DB.\r\n */\r\nvar OLD_DB_VERSION = 5;\r\nvar OLD_OBJECT_STORE_NAME = \'fcm_token_object_Store\';\r\nfunction migrateOldDatabase(senderId) {\r\n    return Object(tslib__WEBPACK_IMPORTED_MODULE_3__["__awaiter"])(this, void 0, void 0, function () {\r\n        var databases, dbNames, tokenDetails, db;\r\n        var _this = this;\r\n        return Object(tslib__WEBPACK_IMPORTED_MODULE_3__["__generator"])(this, function (_a) {\r\n            switch (_a.label) {\r\n                case 0:\r\n                    if (!(\'databases\' in indexedDB)) return [3 /*break*/, 2];\r\n                    return [4 /*yield*/, indexedDB.databases()];\r\n                case 1:\r\n                    databases = _a.sent();\r\n                    dbNames = databases.map(function (db) { return db.name; });\r\n                    if (!dbNames.includes(OLD_DB_NAME)) {\r\n                        // old DB didn\'t exist, no need to open.\r\n                        return [2 /*return*/, null];\r\n                    }\r\n                    _a.label = 2;\r\n                case 2:\r\n                    tokenDetails = null;\r\n                    return [4 /*yield*/, Object(idb__WEBPACK_IMPORTED_MODULE_4__["openDb"])(OLD_DB_NAME, OLD_DB_VERSION, function (db) { return Object(tslib__WEBPACK_IMPORTED_MODULE_3__["__awaiter"])(_this, void 0, void 0, function () {\r\n                            var objectStore, value, oldDetails, oldDetails, oldDetails;\r\n                            var _a;\r\n                            return Object(tslib__WEBPACK_IMPORTED_MODULE_3__["__generator"])(this, function (_b) {\r\n                                switch (_b.label) {\r\n                                    case 0:\r\n                                        if (db.oldVersion < 2) {\r\n                                            // Database too old, skip migration.\r\n                                            return [2 /*return*/];\r\n                                        }\r\n                                        if (!db.objectStoreNames.contains(OLD_OBJECT_STORE_NAME)) {\r\n                                            // Database did not exist. Nothing to do.\r\n                                            return [2 /*return*/];\r\n                                        }\r\n                                        objectStore = db.transaction.objectStore(OLD_OBJECT_STORE_NAME);\r\n                                        return [4 /*yield*/, objectStore.index(\'fcmSenderId\').get(senderId)];\r\n                                    case 1:\r\n                                        value = _b.sent();\r\n                                        return [4 /*yield*/, objectStore.clear()];\r\n                                    case 2:\r\n                                        _b.sent();\r\n                                        if (!value) {\r\n                                            // No entry in the database, nothing to migrate.\r\n                                            return [2 /*return*/];\r\n                                        }\r\n                                        if (db.oldVersion === 2) {\r\n                                            oldDetails = value;\r\n                                            if (!oldDetails.auth || !oldDetails.p256dh || !oldDetails.endpoint) {\r\n                                                return [2 /*return*/];\r\n                                            }\r\n                                            tokenDetails = {\r\n                                                token: oldDetails.fcmToken,\r\n                                                createTime: (_a = oldDetails.createTime) !== null && _a !== void 0 ? _a : Date.now(),\r\n                                                subscriptionOptions: {\r\n                                                    auth: oldDetails.auth,\r\n                                                    p256dh: oldDetails.p256dh,\r\n                                                    endpoint: oldDetails.endpoint,\r\n                                                    swScope: oldDetails.swScope,\r\n                                                    vapidKey: typeof oldDetails.vapidKey === \'string\'\r\n                                                        ? oldDetails.vapidKey\r\n                                                        : arrayToBase64(oldDetails.vapidKey)\r\n                                                }\r\n                                            };\r\n                                        }\r\n                                        else if (db.oldVersion === 3) {\r\n                                            oldDetails = value;\r\n                                            tokenDetails = {\r\n                                                token: oldDetails.fcmToken,\r\n                                                createTime: oldDetails.createTime,\r\n                                                subscriptionOptions: {\r\n                                                    auth: arrayToBase64(oldDetails.auth),\r\n                                                    p256dh: arrayToBase64(oldDetails.p256dh),\r\n                                                    endpoint: oldDetails.endpoint,\r\n                                                    swScope: oldDetails.swScope,\r\n                                                    vapidKey: arrayToBase64(oldDetails.vapidKey)\r\n                                                }\r\n                                            };\r\n                                        }\r\n                                        else if (db.oldVersion === 4) {\r\n                                            oldDetails = value;\r\n                                            tokenDetails = {\r\n                                                token: oldDetails.fcmToken,\r\n                                                createTime: oldDetails.createTime,\r\n                                                subscriptionOptions: {\r\n                                                    auth: arrayToBase64(oldDetails.auth),\r\n                                                    p256dh: arrayToBase64(oldDetails.p256dh),\r\n                                                    endpoint: oldDetails.endpoint,\r\n                                                    swScope: oldDetails.swScope,\r\n                                                    vapidKey: arrayToBase64(oldDetails.vapidKey)\r\n                                                }\r\n                                            };\r\n                                        }\r\n                                        return [2 /*return*/];\r\n                                }\r\n                            });\r\n                        }); })];\r\n                case 3:\r\n                    db = _a.sent();\r\n                    db.close();\r\n                    // Delete all old databases.\r\n                    return [4 /*yield*/, Object(idb__WEBPACK_IMPORTED_MODULE_4__["deleteDb"])(OLD_DB_NAME)];\r\n                case 4:\r\n                    // Delete all old databases.\r\n                    _a.sent();\r\n                    return [4 /*yield*/, Object(idb__WEBPACK_IMPORTED_MODULE_4__["deleteDb"])(\'fcm_vapid_details_db\')];\r\n                case 5:\r\n                    _a.sent();\r\n                    return [4 /*yield*/, Object(idb__WEBPACK_IMPORTED_MODULE_4__["deleteDb"])(\'undefined\')];\r\n                case 6:\r\n                    _a.sent();\r\n                    return [2 /*return*/, checkTokenDetails(tokenDetails) ? tokenDetails : null];\r\n            }\r\n        });\r\n    });\r\n}\r\nfunction checkTokenDetails(tokenDetails) {\r\n    if (!tokenDetails || !tokenDetails.subscriptionOptions) {\r\n        return false;\r\n    }\r\n    var subscriptionOptions = tokenDetails.subscriptionOptions;\r\n    return (typeof tokenDetails.createTime === \'number\' &&\r\n        tokenDetails.createTime > 0 &&\r\n        typeof tokenDetails.token === \'string\' &&\r\n        tokenDetails.token.length > 0 &&\r\n        typeof subscriptionOptions.auth === \'string\' &&\r\n        subscriptionOptions.auth.length > 0 &&\r\n        typeof subscriptionOptions.p256dh === \'string\' &&\r\n        subscriptionOptions.p256dh.length > 0 &&\r\n        typeof subscriptionOptions.endpoint === \'string\' &&\r\n        subscriptionOptions.endpoint.length > 0 &&\r\n        typeof subscriptionOptions.swScope === \'string\' &&\r\n        subscriptionOptions.swScope.length > 0 &&\r\n        typeof subscriptionOptions.vapidKey === \'string\' &&\r\n        subscriptionOptions.vapidKey.length > 0);\r\n}\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n// Exported for tests.\r\nvar DATABASE_NAME = \'firebase-messaging-database\';\r\nvar DATABASE_VERSION = 1;\r\nvar OBJECT_STORE_NAME = \'firebase-messaging-store\';\r\nvar dbPromise = null;\r\nfunction getDbPromise() {\r\n    if (!dbPromise) {\r\n        dbPromise = Object(idb__WEBPACK_IMPORTED_MODULE_4__["openDb"])(DATABASE_NAME, DATABASE_VERSION, function (upgradeDb) {\r\n            // We don\'t use \'break\' in this switch statement, the fall-through behavior is what we want,\r\n            // because if there are multiple versions between the old version and the current version, we\r\n            // want ALL the migrations that correspond to those versions to run, not only the last one.\r\n            // eslint-disable-next-line default-case\r\n            switch (upgradeDb.oldVersion) {\r\n                case 0:\r\n                    upgradeDb.createObjectStore(OBJECT_STORE_NAME);\r\n            }\r\n        });\r\n    }\r\n    return dbPromise;\r\n}\r\n/** Gets record(s) from the objectStore that match the given key. */\r\nfunction dbGet(firebaseDependencies) {\r\n    return Object(tslib__WEBPACK_IMPORTED_MODULE_3__["__awaiter"])(this, void 0, void 0, function () {\r\n        var key, db, tokenDetails, oldTokenDetails;\r\n        return Object(tslib__WEBPACK_IMPORTED_MODULE_3__["__generator"])(this, function (_a) {\r\n            switch (_a.label) {\r\n                case 0:\r\n                    key = getKey(firebaseDependencies);\r\n                    return [4 /*yield*/, getDbPromise()];\r\n                case 1:\r\n                    db = _a.sent();\r\n                    return [4 /*yield*/, db\r\n                            .transaction(OBJECT_STORE_NAME)\r\n                            .objectStore(OBJECT_STORE_NAME)\r\n                            .get(key)];\r\n                case 2:\r\n                    tokenDetails = _a.sent();\r\n                    if (!tokenDetails) return [3 /*break*/, 3];\r\n                    return [2 /*return*/, tokenDetails];\r\n                case 3: return [4 /*yield*/, migrateOldDatabase(firebaseDependencies.appConfig.senderId)];\r\n                case 4:\r\n                    oldTokenDetails = _a.sent();\r\n                    if (!oldTokenDetails) return [3 /*break*/, 6];\r\n                    return [4 /*yield*/, dbSet(firebaseDependencies, oldTokenDetails)];\r\n                case 5:\r\n                    _a.sent();\r\n                    return [2 /*return*/, oldTokenDetails];\r\n                case 6: return [2 /*return*/];\r\n            }\r\n        });\r\n    });\r\n}\r\n/** Assigns or overwrites the record for the given key with the given value. */\r\nfunction dbSet(firebaseDependencies, tokenDetails) {\r\n    return Object(tslib__WEBPACK_IMPORTED_MODULE_3__["__awaiter"])(this, void 0, void 0, function () {\r\n        var key, db, tx;\r\n        return Object(tslib__WEBPACK_IMPORTED_MODULE_3__["__generator"])(this, function (_a) {\r\n            switch (_a.label) {\r\n                case 0:\r\n                    key = getKey(firebaseDependencies);\r\n                    return [4 /*yield*/, getDbPromise()];\r\n                case 1:\r\n                    db = _a.sent();\r\n                    tx = db.transaction(OBJECT_STORE_NAME, \'readwrite\');\r\n                    return [4 /*yield*/, tx.objectStore(OBJECT_STORE_NAME).put(tokenDetails, key)];\r\n                case 2:\r\n                    _a.sent();\r\n                    return [4 /*yield*/, tx.complete];\r\n                case 3:\r\n                    _a.sent();\r\n                    return [2 /*return*/, tokenDetails];\r\n            }\r\n        });\r\n    });\r\n}\r\n/** Removes record(s) from the objectStore that match the given key. */\r\nfunction dbRemove(firebaseDependencies) {\r\n    return Object(tslib__WEBPACK_IMPORTED_MODULE_3__["__awaiter"])(this, void 0, void 0, function () {\r\n        var key, db, tx;\r\n        return Object(tslib__WEBPACK_IMPORTED_MODULE_3__["__generator"])(this, function (_a) {\r\n            switch (_a.label) {\r\n                case 0:\r\n                    key = getKey(firebaseDependencies);\r\n                    return [4 /*yield*/, getDbPromise()];\r\n                case 1:\r\n                    db = _a.sent();\r\n                    tx = db.transaction(OBJECT_STORE_NAME, \'readwrite\');\r\n                    return [4 /*yield*/, tx.objectStore(OBJECT_STORE_NAME).delete(key)];\r\n                case 2:\r\n                    _a.sent();\r\n                    return [4 /*yield*/, tx.complete];\r\n                case 3:\r\n                    _a.sent();\r\n                    return [2 /*return*/];\r\n            }\r\n        });\r\n    });\r\n}\r\nfunction getKey(_a) {\r\n    var appConfig = _a.appConfig;\r\n    return appConfig.appId;\r\n}\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nfunction requestGetToken(firebaseDependencies, subscriptionOptions) {\r\n    return Object(tslib__WEBPACK_IMPORTED_MODULE_3__["__awaiter"])(this, void 0, void 0, function () {\r\n        var headers, body, subscribeOptions, responseData, response, err_1, message;\r\n        return Object(tslib__WEBPACK_IMPORTED_MODULE_3__["__generator"])(this, function (_a) {\r\n            switch (_a.label) {\r\n                case 0: return [4 /*yield*/, getHeaders(firebaseDependencies)];\r\n                case 1:\r\n                    headers = _a.sent();\r\n                    body = getBody(subscriptionOptions);\r\n                    subscribeOptions = {\r\n                        method: \'POST\',\r\n                        headers: headers,\r\n                        body: JSON.stringify(body)\r\n                    };\r\n                    _a.label = 2;\r\n                case 2:\r\n                    _a.trys.push([2, 5, , 6]);\r\n                    return [4 /*yield*/, fetch(getEndpoint(firebaseDependencies.appConfig), subscribeOptions)];\r\n                case 3:\r\n                    response = _a.sent();\r\n                    return [4 /*yield*/, response.json()];\r\n                case 4:\r\n                    responseData = _a.sent();\r\n                    return [3 /*break*/, 6];\r\n                case 5:\r\n                    err_1 = _a.sent();\r\n                    throw ERROR_FACTORY.create("token-subscribe-failed" /* TOKEN_SUBSCRIBE_FAILED */, {\r\n                        errorInfo: err_1\r\n                    });\r\n                case 6:\r\n                    if (responseData.error) {\r\n                        message = responseData.error.message;\r\n                        throw ERROR_FACTORY.create("token-subscribe-failed" /* TOKEN_SUBSCRIBE_FAILED */, {\r\n                            errorInfo: message\r\n                        });\r\n                    }\r\n                    if (!responseData.token) {\r\n                        throw ERROR_FACTORY.create("token-subscribe-no-token" /* TOKEN_SUBSCRIBE_NO_TOKEN */);\r\n                    }\r\n                    return [2 /*return*/, responseData.token];\r\n            }\r\n        });\r\n    });\r\n}\r\nfunction requestUpdateToken(firebaseDependencies, tokenDetails) {\r\n    return Object(tslib__WEBPACK_IMPORTED_MODULE_3__["__awaiter"])(this, void 0, void 0, function () {\r\n        var headers, body, updateOptions, responseData, response, err_2, message;\r\n        return Object(tslib__WEBPACK_IMPORTED_MODULE_3__["__generator"])(this, function (_a) {\r\n            switch (_a.label) {\r\n                case 0: return [4 /*yield*/, getHeaders(firebaseDependencies)];\r\n                case 1:\r\n                    headers = _a.sent();\r\n                    body = getBody(tokenDetails.subscriptionOptions);\r\n                    updateOptions = {\r\n                        method: \'PATCH\',\r\n                        headers: headers,\r\n                        body: JSON.stringify(body)\r\n                    };\r\n                    _a.label = 2;\r\n                case 2:\r\n                    _a.trys.push([2, 5, , 6]);\r\n                    return [4 /*yield*/, fetch(getEndpoint(firebaseDependencies.appConfig) + "/" + tokenDetails.token, updateOptions)];\r\n                case 3:\r\n                    response = _a.sent();\r\n                    return [4 /*yield*/, response.json()];\r\n                case 4:\r\n                    responseData = _a.sent();\r\n                    return [3 /*break*/, 6];\r\n                case 5:\r\n                    err_2 = _a.sent();\r\n                    throw ERROR_FACTORY.create("token-update-failed" /* TOKEN_UPDATE_FAILED */, {\r\n                        errorInfo: err_2\r\n                    });\r\n                case 6:\r\n                    if (responseData.error) {\r\n                        message = responseData.error.message;\r\n                        throw ERROR_FACTORY.create("token-update-failed" /* TOKEN_UPDATE_FAILED */, {\r\n                            errorInfo: message\r\n                        });\r\n                    }\r\n                    if (!responseData.token) {\r\n                        throw ERROR_FACTORY.create("token-update-no-token" /* TOKEN_UPDATE_NO_TOKEN */);\r\n                    }\r\n                    return [2 /*return*/, responseData.token];\r\n            }\r\n        });\r\n    });\r\n}\r\nfunction requestDeleteToken(firebaseDependencies, token) {\r\n    return Object(tslib__WEBPACK_IMPORTED_MODULE_3__["__awaiter"])(this, void 0, void 0, function () {\r\n        var headers, unsubscribeOptions, response, responseData, message, err_3;\r\n        return Object(tslib__WEBPACK_IMPORTED_MODULE_3__["__generator"])(this, function (_a) {\r\n            switch (_a.label) {\r\n                case 0: return [4 /*yield*/, getHeaders(firebaseDependencies)];\r\n                case 1:\r\n                    headers = _a.sent();\r\n                    unsubscribeOptions = {\r\n                        method: \'DELETE\',\r\n                        headers: headers\r\n                    };\r\n                    _a.label = 2;\r\n                case 2:\r\n                    _a.trys.push([2, 5, , 6]);\r\n                    return [4 /*yield*/, fetch(getEndpoint(firebaseDependencies.appConfig) + "/" + token, unsubscribeOptions)];\r\n                case 3:\r\n                    response = _a.sent();\r\n                    return [4 /*yield*/, response.json()];\r\n                case 4:\r\n                    responseData = _a.sent();\r\n                    if (responseData.error) {\r\n                        message = responseData.error.message;\r\n                        throw ERROR_FACTORY.create("token-unsubscribe-failed" /* TOKEN_UNSUBSCRIBE_FAILED */, {\r\n                            errorInfo: message\r\n                        });\r\n                    }\r\n                    return [3 /*break*/, 6];\r\n                case 5:\r\n                    err_3 = _a.sent();\r\n                    throw ERROR_FACTORY.create("token-unsubscribe-failed" /* TOKEN_UNSUBSCRIBE_FAILED */, {\r\n                        errorInfo: err_3\r\n                    });\r\n                case 6: return [2 /*return*/];\r\n            }\r\n        });\r\n    });\r\n}\r\nfunction getEndpoint(_a) {\r\n    var projectId = _a.projectId;\r\n    return ENDPOINT + "/projects/" + projectId + "/registrations";\r\n}\r\nfunction getHeaders(_a) {\r\n    var appConfig = _a.appConfig, installations = _a.installations;\r\n    return Object(tslib__WEBPACK_IMPORTED_MODULE_3__["__awaiter"])(this, void 0, void 0, function () {\r\n        var authToken;\r\n        return Object(tslib__WEBPACK_IMPORTED_MODULE_3__["__generator"])(this, function (_b) {\r\n            switch (_b.label) {\r\n                case 0: return [4 /*yield*/, installations.getToken()];\r\n                case 1:\r\n                    authToken = _b.sent();\r\n                    return [2 /*return*/, new Headers({\r\n                            \'Content-Type\': \'application/json\',\r\n                            Accept: \'application/json\',\r\n                            \'x-goog-api-key\': appConfig.apiKey,\r\n                            \'x-goog-firebase-installations-auth\': "FIS " + authToken\r\n                        })];\r\n            }\r\n        });\r\n    });\r\n}\r\nfunction getBody(_a) {\r\n    var p256dh = _a.p256dh, auth = _a.auth, endpoint = _a.endpoint, vapidKey = _a.vapidKey;\r\n    var body = {\r\n        web: {\r\n            endpoint: endpoint,\r\n            auth: auth,\r\n            p256dh: p256dh\r\n        }\r\n    };\r\n    if (vapidKey !== DEFAULT_VAPID_KEY) {\r\n        body.web.applicationPubKey = vapidKey;\r\n    }\r\n    return body;\r\n}\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/** UpdateRegistration will be called once every week. */\r\nvar TOKEN_EXPIRATION_MS = 7 * 24 * 60 * 60 * 1000; // 7 days\r\nfunction getToken(firebaseDependencies, swRegistration, vapidKey) {\r\n    return Object(tslib__WEBPACK_IMPORTED_MODULE_3__["__awaiter"])(this, void 0, void 0, function () {\r\n        var pushSubscription, tokenDetails, subscriptionOptions, e_1;\r\n        return Object(tslib__WEBPACK_IMPORTED_MODULE_3__["__generator"])(this, function (_a) {\r\n            switch (_a.label) {\r\n                case 0:\r\n                    if (Notification.permission !== \'granted\') {\r\n                        throw ERROR_FACTORY.create("permission-blocked" /* PERMISSION_BLOCKED */);\r\n                    }\r\n                    return [4 /*yield*/, getPushSubscription(swRegistration, vapidKey)];\r\n                case 1:\r\n                    pushSubscription = _a.sent();\r\n                    return [4 /*yield*/, dbGet(firebaseDependencies)];\r\n                case 2:\r\n                    tokenDetails = _a.sent();\r\n                    subscriptionOptions = {\r\n                        vapidKey: vapidKey,\r\n                        swScope: swRegistration.scope,\r\n                        endpoint: pushSubscription.endpoint,\r\n                        auth: arrayToBase64(pushSubscription.getKey(\'auth\')),\r\n                        p256dh: arrayToBase64(pushSubscription.getKey(\'p256dh\'))\r\n                    };\r\n                    if (!!tokenDetails) return [3 /*break*/, 3];\r\n                    // No token, get a new one.\r\n                    return [2 /*return*/, getNewToken(firebaseDependencies, subscriptionOptions)];\r\n                case 3:\r\n                    if (!!isTokenValid(tokenDetails.subscriptionOptions, subscriptionOptions)) return [3 /*break*/, 8];\r\n                    _a.label = 4;\r\n                case 4:\r\n                    _a.trys.push([4, 6, , 7]);\r\n                    return [4 /*yield*/, requestDeleteToken(firebaseDependencies, tokenDetails.token)];\r\n                case 5:\r\n                    _a.sent();\r\n                    return [3 /*break*/, 7];\r\n                case 6:\r\n                    e_1 = _a.sent();\r\n                    // Suppress errors because of #2364\r\n                    console.warn(e_1);\r\n                    return [3 /*break*/, 7];\r\n                case 7: return [2 /*return*/, getNewToken(firebaseDependencies, subscriptionOptions)];\r\n                case 8:\r\n                    if (Date.now() >= tokenDetails.createTime + TOKEN_EXPIRATION_MS) {\r\n                        // Weekly token refresh\r\n                        return [2 /*return*/, updateToken({\r\n                                token: tokenDetails.token,\r\n                                createTime: Date.now(),\r\n                                subscriptionOptions: subscriptionOptions\r\n                            }, firebaseDependencies, swRegistration)];\r\n                    }\r\n                    else {\r\n                        // Valid token, nothing to do.\r\n                        return [2 /*return*/, tokenDetails.token];\r\n                    }\r\n                case 9: return [2 /*return*/];\r\n            }\r\n        });\r\n    });\r\n}\r\n/**\r\n * This method deletes the token from the database, unsubscribes the token from FCM, and unregisters\r\n * the push subscription if it exists.\r\n */\r\nfunction deleteToken(firebaseDependencies, swRegistration) {\r\n    return Object(tslib__WEBPACK_IMPORTED_MODULE_3__["__awaiter"])(this, void 0, void 0, function () {\r\n        var tokenDetails, pushSubscription;\r\n        return Object(tslib__WEBPACK_IMPORTED_MODULE_3__["__generator"])(this, function (_a) {\r\n            switch (_a.label) {\r\n                case 0: return [4 /*yield*/, dbGet(firebaseDependencies)];\r\n                case 1:\r\n                    tokenDetails = _a.sent();\r\n                    if (!tokenDetails) return [3 /*break*/, 4];\r\n                    return [4 /*yield*/, requestDeleteToken(firebaseDependencies, tokenDetails.token)];\r\n                case 2:\r\n                    _a.sent();\r\n                    return [4 /*yield*/, dbRemove(firebaseDependencies)];\r\n                case 3:\r\n                    _a.sent();\r\n                    _a.label = 4;\r\n                case 4: return [4 /*yield*/, swRegistration.pushManager.getSubscription()];\r\n                case 5:\r\n                    pushSubscription = _a.sent();\r\n                    if (pushSubscription) {\r\n                        return [2 /*return*/, pushSubscription.unsubscribe()];\r\n                    }\r\n                    // If there\'s no SW, consider it a success.\r\n                    return [2 /*return*/, true];\r\n            }\r\n        });\r\n    });\r\n}\r\nfunction updateToken(tokenDetails, firebaseDependencies, swRegistration) {\r\n    return Object(tslib__WEBPACK_IMPORTED_MODULE_3__["__awaiter"])(this, void 0, void 0, function () {\r\n        var updatedToken, updatedTokenDetails, e_2;\r\n        return Object(tslib__WEBPACK_IMPORTED_MODULE_3__["__generator"])(this, function (_a) {\r\n            switch (_a.label) {\r\n                case 0:\r\n                    _a.trys.push([0, 3, , 5]);\r\n                    return [4 /*yield*/, requestUpdateToken(firebaseDependencies, tokenDetails)];\r\n                case 1:\r\n                    updatedToken = _a.sent();\r\n                    updatedTokenDetails = Object(tslib__WEBPACK_IMPORTED_MODULE_3__["__assign"])(Object(tslib__WEBPACK_IMPORTED_MODULE_3__["__assign"])({}, tokenDetails), { token: updatedToken, createTime: Date.now() });\r\n                    return [4 /*yield*/, dbSet(firebaseDependencies, updatedTokenDetails)];\r\n                case 2:\r\n                    _a.sent();\r\n                    return [2 /*return*/, updatedToken];\r\n                case 3:\r\n                    e_2 = _a.sent();\r\n                    return [4 /*yield*/, deleteToken(firebaseDependencies, swRegistration)];\r\n                case 4:\r\n                    _a.sent();\r\n                    throw e_2;\r\n                case 5: return [2 /*return*/];\r\n            }\r\n        });\r\n    });\r\n}\r\nfunction getNewToken(firebaseDependencies, subscriptionOptions) {\r\n    return Object(tslib__WEBPACK_IMPORTED_MODULE_3__["__awaiter"])(this, void 0, void 0, function () {\r\n        var token, tokenDetails;\r\n        return Object(tslib__WEBPACK_IMPORTED_MODULE_3__["__generator"])(this, function (_a) {\r\n            switch (_a.label) {\r\n                case 0: return [4 /*yield*/, requestGetToken(firebaseDependencies, subscriptionOptions)];\r\n                case 1:\r\n                    token = _a.sent();\r\n                    tokenDetails = {\r\n                        token: token,\r\n                        createTime: Date.now(),\r\n                        subscriptionOptions: subscriptionOptions\r\n                    };\r\n                    return [4 /*yield*/, dbSet(firebaseDependencies, tokenDetails)];\r\n                case 2:\r\n                    _a.sent();\r\n                    return [2 /*return*/, tokenDetails.token];\r\n            }\r\n        });\r\n    });\r\n}\r\n/**\r\n * Gets a PushSubscription for the current user.\r\n */\r\nfunction getPushSubscription(swRegistration, vapidKey) {\r\n    return Object(tslib__WEBPACK_IMPORTED_MODULE_3__["__awaiter"])(this, void 0, void 0, function () {\r\n        var subscription;\r\n        return Object(tslib__WEBPACK_IMPORTED_MODULE_3__["__generator"])(this, function (_a) {\r\n            switch (_a.label) {\r\n                case 0: return [4 /*yield*/, swRegistration.pushManager.getSubscription()];\r\n                case 1:\r\n                    subscription = _a.sent();\r\n                    if (subscription) {\r\n                        return [2 /*return*/, subscription];\r\n                    }\r\n                    return [2 /*return*/, swRegistration.pushManager.subscribe({\r\n                            userVisibleOnly: true,\r\n                            // Chrome <= 75 doesn\'t support base64-encoded VAPID key. For backward compatibility, VAPID key\r\n                            // submitted to pushManager#subscribe must be of type Uint8Array.\r\n                            applicationServerKey: base64ToArray(vapidKey)\r\n                        })];\r\n            }\r\n        });\r\n    });\r\n}\r\n/**\r\n * Checks if the saved tokenDetails object matches the configuration provided.\r\n */\r\nfunction isTokenValid(dbOptions, currentOptions) {\r\n    var isVapidKeyEqual = currentOptions.vapidKey === dbOptions.vapidKey;\r\n    var isEndpointEqual = currentOptions.endpoint === dbOptions.endpoint;\r\n    var isAuthEqual = currentOptions.auth === dbOptions.auth;\r\n    var isP256dhEqual = currentOptions.p256dh === dbOptions.p256dh;\r\n    return isVapidKeyEqual && isEndpointEqual && isAuthEqual && isP256dhEqual;\r\n}\n\n/**\r\n * @license\r\n * Copyright 2020 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nfunction externalizePayload(internalPayload) {\r\n    var payload = {\r\n        from: internalPayload.from,\r\n        // eslint-disable-next-line camelcase\r\n        collapseKey: internalPayload.collapse_key\r\n    };\r\n    propagateNotificationPayload(payload, internalPayload);\r\n    propagateDataPayload(payload, internalPayload);\r\n    propagateFcmOptions(payload, internalPayload);\r\n    return payload;\r\n}\r\nfunction propagateNotificationPayload(payload, messagePayloadInternal) {\r\n    if (!messagePayloadInternal.notification) {\r\n        return;\r\n    }\r\n    payload.notification = {};\r\n    var title = messagePayloadInternal.notification.title;\r\n    if (!!title) {\r\n        payload.notification.title = title;\r\n    }\r\n    var body = messagePayloadInternal.notification.body;\r\n    if (!!body) {\r\n        payload.notification.body = body;\r\n    }\r\n    var image = messagePayloadInternal.notification.image;\r\n    if (!!image) {\r\n        payload.notification.image = image;\r\n    }\r\n}\r\nfunction propagateDataPayload(payload, messagePayloadInternal) {\r\n    if (!messagePayloadInternal.data) {\r\n        return;\r\n    }\r\n    payload.data = messagePayloadInternal.data;\r\n}\r\nfunction propagateFcmOptions(payload, messagePayloadInternal) {\r\n    if (!messagePayloadInternal.fcmOptions) {\r\n        return;\r\n    }\r\n    payload.fcmOptions = {};\r\n    var link = messagePayloadInternal.fcmOptions.link;\r\n    if (!!link) {\r\n        payload.fcmOptions.link = link;\r\n    }\r\n    // eslint-disable-next-line camelcase\r\n    var analyticsLabel = messagePayloadInternal.fcmOptions.analytics_label;\r\n    if (!!analyticsLabel) {\r\n        payload.fcmOptions.analyticsLabel = analyticsLabel;\r\n    }\r\n}\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nfunction isConsoleMessage(data) {\r\n    // This message has a campaign ID, meaning it was sent using the Firebase Console.\r\n    return typeof data === \'object\' && !!data && CONSOLE_CAMPAIGN_ID in data;\r\n}\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/** Returns a promise that resolves after given time passes. */\r\nfunction sleep(ms) {\r\n    return new Promise(function (resolve) {\r\n        setTimeout(resolve, ms);\r\n    });\r\n}\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nvar SwController = /** @class */ (function () {\r\n    function SwController(firebaseDependencies) {\r\n        var _this = this;\r\n        this.firebaseDependencies = firebaseDependencies;\r\n        // A boolean flag to determine wether an app is using onBackgroundMessage or\r\n        // setBackgroundMessageHandler. onBackgroundMessage will receive a MessagePayload regardless of if\r\n        // a notification is displayed. Whereas, setBackgroundMessageHandler will swallow the\r\n        // MessagePayload if a NotificationPayload is included.\r\n        this.isOnBackgroundMessageUsed = null;\r\n        this.vapidKey = null;\r\n        this.bgMessageHandler = null;\r\n        self.addEventListener(\'push\', function (e) {\r\n            e.waitUntil(_this.onPush(e));\r\n        });\r\n        self.addEventListener(\'pushsubscriptionchange\', function (e) {\r\n            e.waitUntil(_this.onSubChange(e));\r\n        });\r\n        self.addEventListener(\'notificationclick\', function (e) {\r\n            e.waitUntil(_this.onNotificationClick(e));\r\n        });\r\n    }\r\n    Object.defineProperty(SwController.prototype, "app", {\r\n        get: function () {\r\n            return this.firebaseDependencies.app;\r\n        },\r\n        enumerable: false,\r\n        configurable: true\r\n    });\r\n    /**\r\n     * @deprecated. Use onBackgroundMessage(nextOrObserver: NextFn<object> | Observer<object>):\r\n     * Unsubscribe instead.\r\n     *\r\n     * Calling setBackgroundMessageHandler will opt in to some specific behaviors.\r\n     *\r\n     * 1.) If a notification doesn\'t need to be shown due to a window already being visible, then push\r\n     * messages will be sent to the page. 2.) If a notification needs to be shown, and the message\r\n     * contains no notification data this method will be called and the promise it returns will be\r\n     * passed to event.waitUntil. If you do not set this callback then all push messages will let and\r\n     * the developer can handle them in a their own \'push\' event callback\r\n     *\r\n     * @param callback The callback to be called when a push message is received and a notification\r\n     * must be shown. The callback will be given the data from the push message.\r\n     */\r\n    SwController.prototype.setBackgroundMessageHandler = function (callback) {\r\n        this.isOnBackgroundMessageUsed = false;\r\n        if (!callback || typeof callback !== \'function\') {\r\n            throw ERROR_FACTORY.create("invalid-bg-handler" /* INVALID_BG_HANDLER */);\r\n        }\r\n        this.bgMessageHandler = callback;\r\n    };\r\n    SwController.prototype.onBackgroundMessage = function (nextOrObserver) {\r\n        var _this = this;\r\n        this.isOnBackgroundMessageUsed = true;\r\n        this.bgMessageHandler = nextOrObserver;\r\n        return function () {\r\n            _this.bgMessageHandler = null;\r\n        };\r\n    };\r\n    // TODO: Remove getToken from SW Controller. Calling this from an old SW can cause all kinds of\r\n    // trouble.\r\n    SwController.prototype.getToken = function () {\r\n        var _a, _b;\r\n        return Object(tslib__WEBPACK_IMPORTED_MODULE_3__["__awaiter"])(this, void 0, void 0, function () {\r\n            var tokenDetails;\r\n            return Object(tslib__WEBPACK_IMPORTED_MODULE_3__["__generator"])(this, function (_c) {\r\n                switch (_c.label) {\r\n                    case 0:\r\n                        if (!!this.vapidKey) return [3 /*break*/, 2];\r\n                        return [4 /*yield*/, dbGet(this.firebaseDependencies)];\r\n                    case 1:\r\n                        tokenDetails = _c.sent();\r\n                        this.vapidKey = (_b = (_a = tokenDetails === null || tokenDetails === void 0 ? void 0 : tokenDetails.subscriptionOptions) === null || _a === void 0 ? void 0 : _a.vapidKey) !== null && _b !== void 0 ? _b : DEFAULT_VAPID_KEY;\r\n                        _c.label = 2;\r\n                    case 2: return [2 /*return*/, getToken(this.firebaseDependencies, self.registration, this.vapidKey)];\r\n                }\r\n            });\r\n        });\r\n    };\r\n    // TODO: Remove deleteToken from SW Controller. Calling this from an old SW can cause all kinds of\r\n    // trouble.\r\n    SwController.prototype.deleteToken = function () {\r\n        return deleteToken(this.firebaseDependencies, self.registration);\r\n    };\r\n    SwController.prototype.requestPermission = function () {\r\n        throw ERROR_FACTORY.create("only-available-in-window" /* AVAILABLE_IN_WINDOW */);\r\n    };\r\n    // TODO: Remove this together with getToken from SW Controller.\r\n    SwController.prototype.usePublicVapidKey = function (vapidKey) {\r\n        if (this.vapidKey !== null) {\r\n            throw ERROR_FACTORY.create("use-vapid-key-after-get-token" /* USE_VAPID_KEY_AFTER_GET_TOKEN */);\r\n        }\r\n        if (typeof vapidKey !== \'string\' || vapidKey.length === 0) {\r\n            throw ERROR_FACTORY.create("invalid-vapid-key" /* INVALID_VAPID_KEY */);\r\n        }\r\n        this.vapidKey = vapidKey;\r\n    };\r\n    SwController.prototype.useServiceWorker = function () {\r\n        throw ERROR_FACTORY.create("only-available-in-window" /* AVAILABLE_IN_WINDOW */);\r\n    };\r\n    SwController.prototype.onMessage = function () {\r\n        throw ERROR_FACTORY.create("only-available-in-window" /* AVAILABLE_IN_WINDOW */);\r\n    };\r\n    SwController.prototype.onTokenRefresh = function () {\r\n        throw ERROR_FACTORY.create("only-available-in-window" /* AVAILABLE_IN_WINDOW */);\r\n    };\r\n    /**\r\n     * A handler for push events that shows notifications based on the content of the payload.\r\n     *\r\n     * The payload must be a JSON-encoded Object with a `notification` key. The value of the\r\n     * `notification` property will be used as the NotificationOptions object passed to\r\n     * showNotification. Additionally, the `title` property of the notification object will be used as\r\n     * the title.\r\n     *\r\n     * If there is no notification data in the payload then no notification will be shown.\r\n     */\r\n    SwController.prototype.onPush = function (event) {\r\n        return Object(tslib__WEBPACK_IMPORTED_MODULE_3__["__awaiter"])(this, void 0, void 0, function () {\r\n            var internalPayload, clientList, isNotificationShown, payload;\r\n            return Object(tslib__WEBPACK_IMPORTED_MODULE_3__["__generator"])(this, function (_a) {\r\n                switch (_a.label) {\r\n                    case 0:\r\n                        internalPayload = getMessagePayloadInternal(event);\r\n                        if (!internalPayload) {\r\n                            console.debug(TAG +\r\n                                \'failed to get parsed MessagePayload from the PushEvent. Skip handling the push.\');\r\n                            return [2 /*return*/];\r\n                        }\r\n                        return [4 /*yield*/, getClientList()];\r\n                    case 1:\r\n                        clientList = _a.sent();\r\n                        if (hasVisibleClients(clientList)) {\r\n                            return [2 /*return*/, sendMessagePayloadInternalToWindows(clientList, internalPayload)];\r\n                        }\r\n                        isNotificationShown = false;\r\n                        if (!!!internalPayload.notification) return [3 /*break*/, 3];\r\n                        return [4 /*yield*/, showNotification(wrapInternalPayload(internalPayload))];\r\n                    case 2:\r\n                        _a.sent();\r\n                        isNotificationShown = true;\r\n                        _a.label = 3;\r\n                    case 3:\r\n                        // MessagePayload is only passed to `onBackgroundMessage`. Skip passing MessagePayload for\r\n                        // the legacy `setBackgroundMessageHandler` to preserve the SDK behaviors.\r\n                        if (isNotificationShown === true &&\r\n                            this.isOnBackgroundMessageUsed === false) {\r\n                            return [2 /*return*/];\r\n                        }\r\n                        if (!!this.bgMessageHandler) {\r\n                            payload = externalizePayload(internalPayload);\r\n                            if (typeof this.bgMessageHandler === \'function\') {\r\n                                this.bgMessageHandler(payload);\r\n                            }\r\n                            else {\r\n                                this.bgMessageHandler.next(payload);\r\n                            }\r\n                        }\r\n                        return [2 /*return*/];\r\n                }\r\n            });\r\n        });\r\n    };\r\n    SwController.prototype.onSubChange = function (event) {\r\n        var _a, _b;\r\n        return Object(tslib__WEBPACK_IMPORTED_MODULE_3__["__awaiter"])(this, void 0, void 0, function () {\r\n            var newSubscription, tokenDetails;\r\n            return Object(tslib__WEBPACK_IMPORTED_MODULE_3__["__generator"])(this, function (_c) {\r\n                switch (_c.label) {\r\n                    case 0:\r\n                        newSubscription = event.newSubscription;\r\n                        if (!!newSubscription) return [3 /*break*/, 2];\r\n                        // Subscription revoked, delete token\r\n                        return [4 /*yield*/, deleteToken(this.firebaseDependencies, self.registration)];\r\n                    case 1:\r\n                        // Subscription revoked, delete token\r\n                        _c.sent();\r\n                        return [2 /*return*/];\r\n                    case 2: return [4 /*yield*/, dbGet(this.firebaseDependencies)];\r\n                    case 3:\r\n                        tokenDetails = _c.sent();\r\n                        return [4 /*yield*/, deleteToken(this.firebaseDependencies, self.registration)];\r\n                    case 4:\r\n                        _c.sent();\r\n                        return [4 /*yield*/, getToken(this.firebaseDependencies, self.registration, (_b = (_a = tokenDetails === null || tokenDetails === void 0 ? void 0 : tokenDetails.subscriptionOptions) === null || _a === void 0 ? void 0 : _a.vapidKey) !== null && _b !== void 0 ? _b : DEFAULT_VAPID_KEY)];\r\n                    case 5:\r\n                        _c.sent();\r\n                        return [2 /*return*/];\r\n                }\r\n            });\r\n        });\r\n    };\r\n    SwController.prototype.onNotificationClick = function (event) {\r\n        var _a, _b;\r\n        return Object(tslib__WEBPACK_IMPORTED_MODULE_3__["__awaiter"])(this, void 0, void 0, function () {\r\n            var internalPayload, link, url, originUrl, client;\r\n            return Object(tslib__WEBPACK_IMPORTED_MODULE_3__["__generator"])(this, function (_c) {\r\n                switch (_c.label) {\r\n                    case 0:\r\n                        internalPayload = (_b = (_a = event.notification) === null || _a === void 0 ? void 0 : _a.data) === null || _b === void 0 ? void 0 : _b[FCM_MSG];\r\n                        if (!internalPayload) {\r\n                            return [2 /*return*/];\r\n                        }\r\n                        else if (event.action) {\r\n                            // User clicked on an action button. This will allow developers to act on action button clicks\r\n                            // by using a custom onNotificationClick listener that they define.\r\n                            return [2 /*return*/];\r\n                        }\r\n                        // Prevent other listeners from receiving the event\r\n                        event.stopImmediatePropagation();\r\n                        event.notification.close();\r\n                        link = getLink(internalPayload);\r\n                        if (!link) {\r\n                            return [2 /*return*/];\r\n                        }\r\n                        url = new URL(link, self.location.href);\r\n                        originUrl = new URL(self.location.origin);\r\n                        if (url.host !== originUrl.host) {\r\n                            return [2 /*return*/];\r\n                        }\r\n                        return [4 /*yield*/, getWindowClient(url)];\r\n                    case 1:\r\n                        client = _c.sent();\r\n                        if (!!client) return [3 /*break*/, 4];\r\n                        return [4 /*yield*/, self.clients.openWindow(link)];\r\n                    case 2:\r\n                        client = _c.sent();\r\n                        // Wait three seconds for the client to initialize and set up the message handler so that it\r\n                        // can receive the message.\r\n                        return [4 /*yield*/, sleep(3000)];\r\n                    case 3:\r\n                        // Wait three seconds for the client to initialize and set up the message handler so that it\r\n                        // can receive the message.\r\n                        _c.sent();\r\n                        return [3 /*break*/, 6];\r\n                    case 4: return [4 /*yield*/, client.focus()];\r\n                    case 5:\r\n                        client = _c.sent();\r\n                        _c.label = 6;\r\n                    case 6:\r\n                        if (!client) {\r\n                            // Window Client will not be returned if it\'s for a third party origin.\r\n                            return [2 /*return*/];\r\n                        }\r\n                        internalPayload.messageType = MessageType.NOTIFICATION_CLICKED;\r\n                        internalPayload.isFirebaseMessaging = true;\r\n                        return [2 /*return*/, client.postMessage(internalPayload)];\r\n                }\r\n            });\r\n        });\r\n    };\r\n    return SwController;\r\n}());\r\nfunction wrapInternalPayload(internalPayload) {\r\n    var _a;\r\n    var wrappedInternalPayload = Object(tslib__WEBPACK_IMPORTED_MODULE_3__["__assign"])({}, internalPayload.notification);\r\n    // Put the message payload under FCM_MSG name so we can identify the notification as being an FCM\r\n    // notification vs a notification from somewhere else (i.e. normal web push or developer generated\r\n    // notification).\r\n    wrappedInternalPayload.data = (_a = {},\r\n        _a[FCM_MSG] = internalPayload,\r\n        _a);\r\n    return wrappedInternalPayload;\r\n}\r\nfunction getMessagePayloadInternal(_a) {\r\n    var data = _a.data;\r\n    if (!data) {\r\n        return null;\r\n    }\r\n    try {\r\n        return data.json();\r\n    }\r\n    catch (err) {\r\n        // Not JSON so not an FCM message.\r\n        return null;\r\n    }\r\n}\r\n/**\r\n * @param url The URL to look for when focusing a client.\r\n * @return Returns an existing window client or a newly opened WindowClient.\r\n */\r\nfunction getWindowClient(url) {\r\n    return Object(tslib__WEBPACK_IMPORTED_MODULE_3__["__awaiter"])(this, void 0, void 0, function () {\r\n        var clientList, clientList_1, clientList_1_1, client, clientUrl;\r\n        var e_1, _a;\r\n        return Object(tslib__WEBPACK_IMPORTED_MODULE_3__["__generator"])(this, function (_b) {\r\n            switch (_b.label) {\r\n                case 0: return [4 /*yield*/, getClientList()];\r\n                case 1:\r\n                    clientList = _b.sent();\r\n                    try {\r\n                        for (clientList_1 = Object(tslib__WEBPACK_IMPORTED_MODULE_3__["__values"])(clientList), clientList_1_1 = clientList_1.next(); !clientList_1_1.done; clientList_1_1 = clientList_1.next()) {\r\n                            client = clientList_1_1.value;\r\n                            clientUrl = new URL(client.url, self.location.href);\r\n                            if (url.host === clientUrl.host) {\r\n                                return [2 /*return*/, client];\r\n                            }\r\n                        }\r\n                    }\r\n                    catch (e_1_1) { e_1 = { error: e_1_1 }; }\r\n                    finally {\r\n                        try {\r\n                            if (clientList_1_1 && !clientList_1_1.done && (_a = clientList_1.return)) _a.call(clientList_1);\r\n                        }\r\n                        finally { if (e_1) throw e_1.error; }\r\n                    }\r\n                    return [2 /*return*/, null];\r\n            }\r\n        });\r\n    });\r\n}\r\n/**\r\n * @returns If there is currently a visible WindowClient, this method will resolve to true,\r\n * otherwise false.\r\n */\r\nfunction hasVisibleClients(clientList) {\r\n    return clientList.some(function (client) {\r\n        return client.visibilityState === \'visible\' &&\r\n            // Ignore chrome-extension clients as that matches the background pages of extensions, which\r\n            // are always considered visible for some reason.\r\n            !client.url.startsWith(\'chrome-extension://\');\r\n    });\r\n}\r\nfunction sendMessagePayloadInternalToWindows(clientList, internalPayload) {\r\n    var e_2, _a;\r\n    internalPayload.isFirebaseMessaging = true;\r\n    internalPayload.messageType = MessageType.PUSH_RECEIVED;\r\n    try {\r\n        for (var clientList_2 = Object(tslib__WEBPACK_IMPORTED_MODULE_3__["__values"])(clientList), clientList_2_1 = clientList_2.next(); !clientList_2_1.done; clientList_2_1 = clientList_2.next()) {\r\n            var client = clientList_2_1.value;\r\n            client.postMessage(internalPayload);\r\n        }\r\n    }\r\n    catch (e_2_1) { e_2 = { error: e_2_1 }; }\r\n    finally {\r\n        try {\r\n            if (clientList_2_1 && !clientList_2_1.done && (_a = clientList_2.return)) _a.call(clientList_2);\r\n        }\r\n        finally { if (e_2) throw e_2.error; }\r\n    }\r\n}\r\nfunction getClientList() {\r\n    return self.clients.matchAll({\r\n        type: \'window\',\r\n        includeUncontrolled: true\r\n        // TS doesn\'t know that "type: \'window\'" means it\'ll return WindowClient[]\r\n    });\r\n}\r\nfunction showNotification(notificationPayloadInternal) {\r\n    var _a;\r\n    // Note: Firefox does not support the maxActions property.\r\n    // https://developer.mozilla.org/en-US/docs/Web/API/notification/maxActions\r\n    var actions = notificationPayloadInternal.actions;\r\n    var maxActions = Notification.maxActions;\r\n    if (actions && maxActions && actions.length > maxActions) {\r\n        console.warn("This browser only supports " + maxActions + " actions. The remaining actions will not be displayed.");\r\n    }\r\n    return self.registration.showNotification((_a = \r\n    /* title= */ notificationPayloadInternal.title) !== null && _a !== void 0 ? _a : \'\', notificationPayloadInternal);\r\n}\r\nfunction getLink(payload) {\r\n    var _a, _b, _c;\r\n    // eslint-disable-next-line camelcase\r\n    var link = (_b = (_a = payload.fcmOptions) === null || _a === void 0 ? void 0 : _a.link) !== null && _b !== void 0 ? _b : (_c = payload.notification) === null || _c === void 0 ? void 0 : _c.click_action;\r\n    if (link) {\r\n        return link;\r\n    }\r\n    if (isConsoleMessage(payload.data)) {\r\n        // Notification created in the Firebase Console. Redirect to origin.\r\n        return self.location.origin;\r\n    }\r\n    else {\r\n        return null;\r\n    }\r\n}\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nvar WindowController = /** @class */ (function () {\r\n    function WindowController(firebaseDependencies) {\r\n        var _this = this;\r\n        this.firebaseDependencies = firebaseDependencies;\r\n        this.vapidKey = null;\r\n        this.onMessageCallback = null;\r\n        navigator.serviceWorker.addEventListener(\'message\', function (e) {\r\n            return _this.messageEventListener(e);\r\n        });\r\n    }\r\n    Object.defineProperty(WindowController.prototype, "app", {\r\n        get: function () {\r\n            return this.firebaseDependencies.app;\r\n        },\r\n        enumerable: false,\r\n        configurable: true\r\n    });\r\n    WindowController.prototype.messageEventListener = function (event) {\r\n        return Object(tslib__WEBPACK_IMPORTED_MODULE_3__["__awaiter"])(this, void 0, void 0, function () {\r\n            var internalPayload, dataPayload;\r\n            return Object(tslib__WEBPACK_IMPORTED_MODULE_3__["__generator"])(this, function (_a) {\r\n                switch (_a.label) {\r\n                    case 0:\r\n                        internalPayload = event.data;\r\n                        if (!internalPayload.isFirebaseMessaging) {\r\n                            return [2 /*return*/];\r\n                        }\r\n                        // onMessageCallback is either a function or observer/subscriber.\r\n                        // TODO: in the modularization release, have onMessage handle type MessagePayload as supposed to\r\n                        // the legacy payload where some fields are in snake cases.\r\n                        if (this.onMessageCallback &&\r\n                            internalPayload.messageType === MessageType.PUSH_RECEIVED) {\r\n                            if (typeof this.onMessageCallback === \'function\') {\r\n                                this.onMessageCallback(stripInternalFields(Object.assign({}, internalPayload)));\r\n                            }\r\n                            else {\r\n                                this.onMessageCallback.next(Object.assign({}, internalPayload));\r\n                            }\r\n                        }\r\n                        dataPayload = internalPayload.data;\r\n                        if (!(isConsoleMessage(dataPayload) &&\r\n                            dataPayload[CONSOLE_CAMPAIGN_ANALYTICS_ENABLED] === \'1\')) return [3 /*break*/, 2];\r\n                        return [4 /*yield*/, this.logEvent(internalPayload.messageType, dataPayload)];\r\n                    case 1:\r\n                        _a.sent();\r\n                        _a.label = 2;\r\n                    case 2: return [2 /*return*/];\r\n                }\r\n            });\r\n        });\r\n    };\r\n    WindowController.prototype.getVapidKey = function () {\r\n        return this.vapidKey;\r\n    };\r\n    WindowController.prototype.getSwReg = function () {\r\n        return this.swRegistration;\r\n    };\r\n    WindowController.prototype.getToken = function (options) {\r\n        return Object(tslib__WEBPACK_IMPORTED_MODULE_3__["__awaiter"])(this, void 0, void 0, function () {\r\n            return Object(tslib__WEBPACK_IMPORTED_MODULE_3__["__generator"])(this, function (_a) {\r\n                switch (_a.label) {\r\n                    case 0:\r\n                        if (!(Notification.permission === \'default\')) return [3 /*break*/, 2];\r\n                        return [4 /*yield*/, Notification.requestPermission()];\r\n                    case 1:\r\n                        _a.sent();\r\n                        _a.label = 2;\r\n                    case 2:\r\n                        if (Notification.permission !== \'granted\') {\r\n                            throw ERROR_FACTORY.create("permission-blocked" /* PERMISSION_BLOCKED */);\r\n                        }\r\n                        return [4 /*yield*/, this.updateVapidKey(options === null || options === void 0 ? void 0 : options.vapidKey)];\r\n                    case 3:\r\n                        _a.sent();\r\n                        return [4 /*yield*/, this.updateSwReg(options === null || options === void 0 ? void 0 : options.serviceWorkerRegistration)];\r\n                    case 4:\r\n                        _a.sent();\r\n                        return [2 /*return*/, getToken(this.firebaseDependencies, this.swRegistration, this.vapidKey)];\r\n                }\r\n            });\r\n        });\r\n    };\r\n    WindowController.prototype.updateVapidKey = function (vapidKey) {\r\n        return Object(tslib__WEBPACK_IMPORTED_MODULE_3__["__awaiter"])(this, void 0, void 0, function () {\r\n            return Object(tslib__WEBPACK_IMPORTED_MODULE_3__["__generator"])(this, function (_a) {\r\n                if (!!vapidKey) {\r\n                    this.vapidKey = vapidKey;\r\n                }\r\n                else if (!this.vapidKey) {\r\n                    this.vapidKey = DEFAULT_VAPID_KEY;\r\n                }\r\n                return [2 /*return*/];\r\n            });\r\n        });\r\n    };\r\n    WindowController.prototype.updateSwReg = function (swRegistration) {\r\n        return Object(tslib__WEBPACK_IMPORTED_MODULE_3__["__awaiter"])(this, void 0, void 0, function () {\r\n            return Object(tslib__WEBPACK_IMPORTED_MODULE_3__["__generator"])(this, function (_a) {\r\n                switch (_a.label) {\r\n                    case 0:\r\n                        if (!(!swRegistration && !this.swRegistration)) return [3 /*break*/, 2];\r\n                        return [4 /*yield*/, this.registerDefaultSw()];\r\n                    case 1:\r\n                        _a.sent();\r\n                        _a.label = 2;\r\n                    case 2:\r\n                        if (!swRegistration && !!this.swRegistration) {\r\n                            return [2 /*return*/];\r\n                        }\r\n                        if (!(swRegistration instanceof ServiceWorkerRegistration)) {\r\n                            throw ERROR_FACTORY.create("invalid-sw-registration" /* INVALID_SW_REGISTRATION */);\r\n                        }\r\n                        this.swRegistration = swRegistration;\r\n                        return [2 /*return*/];\r\n                }\r\n            });\r\n        });\r\n    };\r\n    WindowController.prototype.registerDefaultSw = function () {\r\n        return Object(tslib__WEBPACK_IMPORTED_MODULE_3__["__awaiter"])(this, void 0, void 0, function () {\r\n            var _a, e_1;\r\n            return Object(tslib__WEBPACK_IMPORTED_MODULE_3__["__generator"])(this, function (_b) {\r\n                switch (_b.label) {\r\n                    case 0:\r\n                        _b.trys.push([0, 2, , 3]);\r\n                        _a = this;\r\n                        return [4 /*yield*/, navigator.serviceWorker.register(DEFAULT_SW_PATH, {\r\n                                scope: DEFAULT_SW_SCOPE\r\n                            })];\r\n                    case 1:\r\n                        _a.swRegistration = _b.sent();\r\n                        // The timing when browser updates sw when sw has an update is unreliable by my experiment. It\r\n                        // leads to version conflict when the SDK upgrades to a newer version in the main page, but sw\r\n                        // is stuck with the old version. For example,\r\n                        // https://github.com/firebase/firebase-js-sdk/issues/2590 The following line reliably updates\r\n                        // sw if there was an update.\r\n                        this.swRegistration.update().catch(function () {\r\n                            /* it is non blocking and we don\'t care if it failed */\r\n                        });\r\n                        return [3 /*break*/, 3];\r\n                    case 2:\r\n                        e_1 = _b.sent();\r\n                        throw ERROR_FACTORY.create("failed-service-worker-registration" /* FAILED_DEFAULT_REGISTRATION */, {\r\n                            browserErrorMessage: e_1.message\r\n                        });\r\n                    case 3: return [2 /*return*/];\r\n                }\r\n            });\r\n        });\r\n    };\r\n    WindowController.prototype.deleteToken = function () {\r\n        return Object(tslib__WEBPACK_IMPORTED_MODULE_3__["__awaiter"])(this, void 0, void 0, function () {\r\n            return Object(tslib__WEBPACK_IMPORTED_MODULE_3__["__generator"])(this, function (_a) {\r\n                switch (_a.label) {\r\n                    case 0:\r\n                        if (!!this.swRegistration) return [3 /*break*/, 2];\r\n                        return [4 /*yield*/, this.registerDefaultSw()];\r\n                    case 1:\r\n                        _a.sent();\r\n                        _a.label = 2;\r\n                    case 2: return [2 /*return*/, deleteToken(this.firebaseDependencies, this.swRegistration)];\r\n                }\r\n            });\r\n        });\r\n    };\r\n    /**\r\n     * Request permission if it is not currently granted.\r\n     *\r\n     * @return Resolves if the permission was granted, rejects otherwise.\r\n     *\r\n     * @deprecated Use Notification.requestPermission() instead.\r\n     * https://developer.mozilla.org/en-US/docs/Web/API/Notification/requestPermission\r\n     */\r\n    WindowController.prototype.requestPermission = function () {\r\n        return Object(tslib__WEBPACK_IMPORTED_MODULE_3__["__awaiter"])(this, void 0, void 0, function () {\r\n            var permissionResult;\r\n            return Object(tslib__WEBPACK_IMPORTED_MODULE_3__["__generator"])(this, function (_a) {\r\n                switch (_a.label) {\r\n                    case 0:\r\n                        if (Notification.permission === \'granted\') {\r\n                            return [2 /*return*/];\r\n                        }\r\n                        return [4 /*yield*/, Notification.requestPermission()];\r\n                    case 1:\r\n                        permissionResult = _a.sent();\r\n                        if (permissionResult === \'granted\') {\r\n                            return [2 /*return*/];\r\n                        }\r\n                        else if (permissionResult === \'denied\') {\r\n                            throw ERROR_FACTORY.create("permission-blocked" /* PERMISSION_BLOCKED */);\r\n                        }\r\n                        else {\r\n                            throw ERROR_FACTORY.create("permission-default" /* PERMISSION_DEFAULT */);\r\n                        }\r\n                }\r\n            });\r\n        });\r\n    };\r\n    /**\r\n     * @deprecated. Use getToken(options?: {vapidKey?: string; serviceWorkerRegistration?:\r\n     * ServiceWorkerRegistration;}): Promise<string> instead.\r\n     */\r\n    WindowController.prototype.usePublicVapidKey = function (vapidKey) {\r\n        if (this.vapidKey !== null) {\r\n            throw ERROR_FACTORY.create("use-vapid-key-after-get-token" /* USE_VAPID_KEY_AFTER_GET_TOKEN */);\r\n        }\r\n        if (typeof vapidKey !== \'string\' || vapidKey.length === 0) {\r\n            throw ERROR_FACTORY.create("invalid-vapid-key" /* INVALID_VAPID_KEY */);\r\n        }\r\n        this.vapidKey = vapidKey;\r\n    };\r\n    /**\r\n     * @deprecated. Use getToken(options?: {vapidKey?: string; serviceWorkerRegistration?:\r\n     * ServiceWorkerRegistration;}): Promise<string> instead.\r\n     */\r\n    WindowController.prototype.useServiceWorker = function (swRegistration) {\r\n        if (!(swRegistration instanceof ServiceWorkerRegistration)) {\r\n            throw ERROR_FACTORY.create("invalid-sw-registration" /* INVALID_SW_REGISTRATION */);\r\n        }\r\n        if (this.swRegistration) {\r\n            throw ERROR_FACTORY.create("use-sw-after-get-token" /* USE_SW_AFTER_GET_TOKEN */);\r\n        }\r\n        this.swRegistration = swRegistration;\r\n    };\r\n    /**\r\n     * @param nextOrObserver An observer object or a function triggered on message.\r\n     *\r\n     * @return The unsubscribe function for the observer.\r\n     */\r\n    WindowController.prototype.onMessage = function (nextOrObserver) {\r\n        var _this = this;\r\n        this.onMessageCallback = nextOrObserver;\r\n        return function () {\r\n            _this.onMessageCallback = null;\r\n        };\r\n    };\r\n    WindowController.prototype.setBackgroundMessageHandler = function () {\r\n        throw ERROR_FACTORY.create("only-available-in-sw" /* AVAILABLE_IN_SW */);\r\n    };\r\n    WindowController.prototype.onBackgroundMessage = function () {\r\n        throw ERROR_FACTORY.create("only-available-in-sw" /* AVAILABLE_IN_SW */);\r\n    };\r\n    /**\r\n     * @deprecated No-op. It was initially designed with token rotation requests from server in mind.\r\n     * However, the plan to implement such feature was abandoned.\r\n     */\r\n    WindowController.prototype.onTokenRefresh = function () {\r\n        return function () { };\r\n    };\r\n    WindowController.prototype.logEvent = function (messageType, data) {\r\n        return Object(tslib__WEBPACK_IMPORTED_MODULE_3__["__awaiter"])(this, void 0, void 0, function () {\r\n            var eventType, analytics;\r\n            return Object(tslib__WEBPACK_IMPORTED_MODULE_3__["__generator"])(this, function (_a) {\r\n                switch (_a.label) {\r\n                    case 0:\r\n                        eventType = getEventType(messageType);\r\n                        return [4 /*yield*/, this.firebaseDependencies.analyticsProvider.get()];\r\n                    case 1:\r\n                        analytics = _a.sent();\r\n                        analytics.logEvent(eventType, {\r\n                            /* eslint-disable camelcase */\r\n                            message_id: data[CONSOLE_CAMPAIGN_ID],\r\n                            message_name: data[CONSOLE_CAMPAIGN_NAME],\r\n                            message_time: data[CONSOLE_CAMPAIGN_TIME],\r\n                            message_device_time: Math.floor(Date.now() / 1000)\r\n                            /* eslint-enable camelcase */\r\n                        });\r\n                        return [2 /*return*/];\r\n                }\r\n            });\r\n        });\r\n    };\r\n    return WindowController;\r\n}());\r\nfunction getEventType(messageType) {\r\n    switch (messageType) {\r\n        case MessageType.NOTIFICATION_CLICKED:\r\n            return \'notification_open\';\r\n        case MessageType.PUSH_RECEIVED:\r\n            return \'notification_foreground\';\r\n        default:\r\n            throw new Error();\r\n    }\r\n}\r\nfunction stripInternalFields(internalPayload) {\r\n    delete internalPayload.messageType;\r\n    delete internalPayload.isFirebaseMessaging;\r\n    return internalPayload;\r\n}\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nfunction extractAppConfig(app) {\r\n    var e_1, _a;\r\n    if (!app || !app.options) {\r\n        throw getMissingValueError(\'App Configuration Object\');\r\n    }\r\n    if (!app.name) {\r\n        throw getMissingValueError(\'App Name\');\r\n    }\r\n    // Required app config keys\r\n    var configKeys = [\r\n        \'projectId\',\r\n        \'apiKey\',\r\n        \'appId\',\r\n        \'messagingSenderId\'\r\n    ];\r\n    var options = app.options;\r\n    try {\r\n        for (var configKeys_1 = Object(tslib__WEBPACK_IMPORTED_MODULE_3__["__values"])(configKeys), configKeys_1_1 = configKeys_1.next(); !configKeys_1_1.done; configKeys_1_1 = configKeys_1.next()) {\r\n            var keyName = configKeys_1_1.value;\r\n            if (!options[keyName]) {\r\n                throw getMissingValueError(keyName);\r\n            }\r\n        }\r\n    }\r\n    catch (e_1_1) { e_1 = { error: e_1_1 }; }\r\n    finally {\r\n        try {\r\n            if (configKeys_1_1 && !configKeys_1_1.done && (_a = configKeys_1.return)) _a.call(configKeys_1);\r\n        }\r\n        finally { if (e_1) throw e_1.error; }\r\n    }\r\n    return {\r\n        appName: app.name,\r\n        projectId: options.projectId,\r\n        apiKey: options.apiKey,\r\n        appId: options.appId,\r\n        senderId: options.messagingSenderId\r\n    };\r\n}\r\nfunction getMissingValueError(valueName) {\r\n    return ERROR_FACTORY.create("missing-app-config-values" /* MISSING_APP_CONFIG_VALUES */, {\r\n        valueName: valueName\r\n    });\r\n}\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nvar MESSAGING_NAME = \'messaging\';\r\nfunction factoryMethod(container) {\r\n    // Dependencies.\r\n    var app = container.getProvider(\'app\').getImmediate();\r\n    var appConfig = extractAppConfig(app);\r\n    var installations = container.getProvider(\'installations\').getImmediate();\r\n    var analyticsProvider = container.getProvider(\'analytics-internal\');\r\n    var firebaseDependencies = {\r\n        app: app,\r\n        appConfig: appConfig,\r\n        installations: installations,\r\n        analyticsProvider: analyticsProvider\r\n    };\r\n    if (!isSupported()) {\r\n        throw ERROR_FACTORY.create("unsupported-browser" /* UNSUPPORTED_BROWSER */);\r\n    }\r\n    if (self && \'ServiceWorkerGlobalScope\' in self) {\r\n        // Running in ServiceWorker context\r\n        return new SwController(firebaseDependencies);\r\n    }\r\n    else {\r\n        // Assume we are in the window context.\r\n        return new WindowController(firebaseDependencies);\r\n    }\r\n}\r\nvar NAMESPACE_EXPORTS = {\r\n    isSupported: isSupported\r\n};\r\n_firebase_app__WEBPACK_IMPORTED_MODULE_5___default.a.INTERNAL.registerComponent(new _firebase_component__WEBPACK_IMPORTED_MODULE_1__["Component"](MESSAGING_NAME, factoryMethod, "PUBLIC" /* PUBLIC */).setServiceProps(NAMESPACE_EXPORTS));\r\nfunction isSupported() {\r\n    if (self && \'ServiceWorkerGlobalScope\' in self) {\r\n        // Running in ServiceWorker context\r\n        return isSWControllerSupported();\r\n    }\r\n    else {\r\n        // Assume we are in the window context.\r\n        return isWindowControllerSupported();\r\n    }\r\n}\r\n/**\r\n * Checks to see if the required APIs exist.\r\n */\r\nfunction isWindowControllerSupported() {\r\n    return (\'indexedDB\' in window &&\r\n        indexedDB !== null &&\r\n        navigator.cookieEnabled &&\r\n        \'serviceWorker\' in navigator &&\r\n        \'PushManager\' in window &&\r\n        \'Notification\' in window &&\r\n        \'fetch\' in window &&\r\n        ServiceWorkerRegistration.prototype.hasOwnProperty(\'showNotification\') &&\r\n        PushSubscription.prototype.hasOwnProperty(\'getKey\'));\r\n}\r\n/**\r\n * Checks to see if the required APIs exist within SW Context.\r\n */\r\nfunction isSWControllerSupported() {\r\n    return (\'indexedDB\' in self &&\r\n        indexedDB !== null &&\r\n        \'PushManager\' in self &&\r\n        \'Notification\' in self &&\r\n        ServiceWorkerRegistration.prototype.hasOwnProperty(\'showNotification\') &&\r\n        PushSubscription.prototype.hasOwnProperty(\'getKey\'));\r\n}\n//# sourceMappingURL=index.esm.js.map\n\n\n//# sourceURL=webpack:///./node_modules/@firebase/messaging/dist/index.esm.js?')},function(module,__webpack_exports__,__webpack_require__){"use strict";eval("__webpack_require__.r(__webpack_exports__);\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"registerStorage\", function() { return registerStorage; });\n/* harmony import */ var _firebase_app__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(2);\n/* harmony import */ var _firebase_app__WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(_firebase_app__WEBPACK_IMPORTED_MODULE_0__);\n/* harmony import */ var tslib__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(0);\n/* harmony import */ var _firebase_component__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(3);\n/* harmony import */ var _firebase_component__WEBPACK_IMPORTED_MODULE_2___default = /*#__PURE__*/__webpack_require__.n(_firebase_component__WEBPACK_IMPORTED_MODULE_2__);\n\n\n\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * @fileoverview Constants used in the Firebase Storage library.\r\n */\r\n/**\r\n * Domain name for firebase storage.\r\n */\r\nvar DEFAULT_HOST = 'firebasestorage.googleapis.com';\r\n/**\r\n * The key in Firebase config json for the storage bucket.\r\n */\r\nvar CONFIG_STORAGE_BUCKET_KEY = 'storageBucket';\r\n/**\r\n * 2 minutes\r\n *\r\n * The timeout for all operations except upload.\r\n */\r\nvar DEFAULT_MAX_OPERATION_RETRY_TIME = 2 * 60 * 1000;\r\n/**\r\n * 10 minutes\r\n *\r\n * The timeout for upload.\r\n */\r\nvar DEFAULT_MAX_UPLOAD_RETRY_TIME = 10 * 60 * 1000;\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nvar FirebaseStorageError = /** @class */ (function () {\r\n    function FirebaseStorageError(code, message) {\r\n        this.code_ = prependCode(code);\r\n        this.message_ = 'Firebase Storage: ' + message;\r\n        this.serverResponse_ = null;\r\n        this.name_ = 'FirebaseError';\r\n    }\r\n    FirebaseStorageError.prototype.codeProp = function () {\r\n        return this.code;\r\n    };\r\n    FirebaseStorageError.prototype.codeEquals = function (code) {\r\n        return prependCode(code) === this.codeProp();\r\n    };\r\n    FirebaseStorageError.prototype.serverResponseProp = function () {\r\n        return this.serverResponse_;\r\n    };\r\n    FirebaseStorageError.prototype.setServerResponseProp = function (serverResponse) {\r\n        this.serverResponse_ = serverResponse;\r\n    };\r\n    Object.defineProperty(FirebaseStorageError.prototype, \"name\", {\r\n        get: function () {\r\n            return this.name_;\r\n        },\r\n        enumerable: false,\r\n        configurable: true\r\n    });\r\n    Object.defineProperty(FirebaseStorageError.prototype, \"code\", {\r\n        get: function () {\r\n            return this.code_;\r\n        },\r\n        enumerable: false,\r\n        configurable: true\r\n    });\r\n    Object.defineProperty(FirebaseStorageError.prototype, \"message\", {\r\n        get: function () {\r\n            if (this.serverResponse_) {\r\n                return this.message_ + '\\n' + this.serverResponse_;\r\n            }\r\n            else {\r\n                return this.message_;\r\n            }\r\n        },\r\n        enumerable: false,\r\n        configurable: true\r\n    });\r\n    Object.defineProperty(FirebaseStorageError.prototype, \"serverResponse\", {\r\n        get: function () {\r\n            return this.serverResponse_;\r\n        },\r\n        enumerable: false,\r\n        configurable: true\r\n    });\r\n    return FirebaseStorageError;\r\n}());\r\nvar Code = {\r\n    // Shared between all platforms\r\n    UNKNOWN: 'unknown',\r\n    OBJECT_NOT_FOUND: 'object-not-found',\r\n    BUCKET_NOT_FOUND: 'bucket-not-found',\r\n    PROJECT_NOT_FOUND: 'project-not-found',\r\n    QUOTA_EXCEEDED: 'quota-exceeded',\r\n    UNAUTHENTICATED: 'unauthenticated',\r\n    UNAUTHORIZED: 'unauthorized',\r\n    RETRY_LIMIT_EXCEEDED: 'retry-limit-exceeded',\r\n    INVALID_CHECKSUM: 'invalid-checksum',\r\n    CANCELED: 'canceled',\r\n    // JS specific\r\n    INVALID_EVENT_NAME: 'invalid-event-name',\r\n    INVALID_URL: 'invalid-url',\r\n    INVALID_DEFAULT_BUCKET: 'invalid-default-bucket',\r\n    NO_DEFAULT_BUCKET: 'no-default-bucket',\r\n    CANNOT_SLICE_BLOB: 'cannot-slice-blob',\r\n    SERVER_FILE_WRONG_SIZE: 'server-file-wrong-size',\r\n    NO_DOWNLOAD_URL: 'no-download-url',\r\n    INVALID_ARGUMENT: 'invalid-argument',\r\n    INVALID_ARGUMENT_COUNT: 'invalid-argument-count',\r\n    APP_DELETED: 'app-deleted',\r\n    INVALID_ROOT_OPERATION: 'invalid-root-operation',\r\n    INVALID_FORMAT: 'invalid-format',\r\n    INTERNAL_ERROR: 'internal-error'\r\n};\r\nfunction prependCode(code) {\r\n    return 'storage/' + code;\r\n}\r\nfunction unknown() {\r\n    var message = 'An unknown error occurred, please check the error payload for ' +\r\n        'server response.';\r\n    return new FirebaseStorageError(Code.UNKNOWN, message);\r\n}\r\nfunction objectNotFound(path) {\r\n    return new FirebaseStorageError(Code.OBJECT_NOT_FOUND, \"Object '\" + path + \"' does not exist.\");\r\n}\r\nfunction quotaExceeded(bucket) {\r\n    return new FirebaseStorageError(Code.QUOTA_EXCEEDED, \"Quota for bucket '\" +\r\n        bucket +\r\n        \"' exceeded, please view quota on \" +\r\n        'https://firebase.google.com/pricing/.');\r\n}\r\nfunction unauthenticated() {\r\n    var message = 'User is not authenticated, please authenticate using Firebase ' +\r\n        'Authentication and try again.';\r\n    return new FirebaseStorageError(Code.UNAUTHENTICATED, message);\r\n}\r\nfunction unauthorized(path) {\r\n    return new FirebaseStorageError(Code.UNAUTHORIZED, \"User does not have permission to access '\" + path + \"'.\");\r\n}\r\nfunction retryLimitExceeded() {\r\n    return new FirebaseStorageError(Code.RETRY_LIMIT_EXCEEDED, 'Max retry time for operation exceeded, please try again.');\r\n}\r\nfunction canceled() {\r\n    return new FirebaseStorageError(Code.CANCELED, 'User canceled the upload/download.');\r\n}\r\nfunction invalidUrl(url) {\r\n    return new FirebaseStorageError(Code.INVALID_URL, \"Invalid URL '\" + url + \"'.\");\r\n}\r\nfunction invalidDefaultBucket(bucket) {\r\n    return new FirebaseStorageError(Code.INVALID_DEFAULT_BUCKET, \"Invalid default bucket '\" + bucket + \"'.\");\r\n}\r\nfunction cannotSliceBlob() {\r\n    return new FirebaseStorageError(Code.CANNOT_SLICE_BLOB, 'Cannot slice blob for upload. Please retry the upload.');\r\n}\r\nfunction serverFileWrongSize() {\r\n    return new FirebaseStorageError(Code.SERVER_FILE_WRONG_SIZE, 'Server recorded incorrect upload file size, please retry the upload.');\r\n}\r\nfunction noDownloadURL() {\r\n    return new FirebaseStorageError(Code.NO_DOWNLOAD_URL, 'The given file does not have any download URLs.');\r\n}\r\nfunction invalidArgument(index, fnName, message) {\r\n    return new FirebaseStorageError(Code.INVALID_ARGUMENT, 'Invalid argument in `' + fnName + '` at index ' + index + ': ' + message);\r\n}\r\nfunction invalidArgumentCount(argMin, argMax, fnName, real) {\r\n    var countPart;\r\n    var plural;\r\n    if (argMin === argMax) {\r\n        countPart = argMin;\r\n        plural = argMin === 1 ? 'argument' : 'arguments';\r\n    }\r\n    else {\r\n        countPart = 'between ' + argMin + ' and ' + argMax;\r\n        plural = 'arguments';\r\n    }\r\n    return new FirebaseStorageError(Code.INVALID_ARGUMENT_COUNT, 'Invalid argument count in `' +\r\n        fnName +\r\n        '`: Expected ' +\r\n        countPart +\r\n        ' ' +\r\n        plural +\r\n        ', received ' +\r\n        real +\r\n        '.');\r\n}\r\nfunction appDeleted() {\r\n    return new FirebaseStorageError(Code.APP_DELETED, 'The Firebase app was deleted.');\r\n}\r\n/**\r\n * @param name The name of the operation that was invalid.\r\n */\r\nfunction invalidRootOperation(name) {\r\n    return new FirebaseStorageError(Code.INVALID_ROOT_OPERATION, \"The operation '\" +\r\n        name +\r\n        \"' cannot be performed on a root reference, create a non-root \" +\r\n        \"reference using child, such as .child('file.png').\");\r\n}\r\n/**\r\n * @param format The format that was not valid.\r\n * @param message A message describing the format violation.\r\n */\r\nfunction invalidFormat(format, message) {\r\n    return new FirebaseStorageError(Code.INVALID_FORMAT, \"String does not match format '\" + format + \"': \" + message);\r\n}\r\n/**\r\n * @param message A message describing the internal error.\r\n */\r\nfunction internalError(message) {\r\n    throw new FirebaseStorageError(Code.INTERNAL_ERROR, 'Internal error: ' + message);\r\n}\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nvar StringFormat = {\r\n    RAW: 'raw',\r\n    BASE64: 'base64',\r\n    BASE64URL: 'base64url',\r\n    DATA_URL: 'data_url'\r\n};\r\nfunction formatValidator(stringFormat) {\r\n    switch (stringFormat) {\r\n        case StringFormat.RAW:\r\n        case StringFormat.BASE64:\r\n        case StringFormat.BASE64URL:\r\n        case StringFormat.DATA_URL:\r\n            return;\r\n        default:\r\n            throw ('Expected one of the event types: [' +\r\n                StringFormat.RAW +\r\n                ', ' +\r\n                StringFormat.BASE64 +\r\n                ', ' +\r\n                StringFormat.BASE64URL +\r\n                ', ' +\r\n                StringFormat.DATA_URL +\r\n                '].');\r\n    }\r\n}\r\n/**\r\n * @struct\r\n */\r\nvar StringData = /** @class */ (function () {\r\n    function StringData(data, contentType) {\r\n        this.data = data;\r\n        this.contentType = contentType || null;\r\n    }\r\n    return StringData;\r\n}());\r\nfunction dataFromString(format, stringData) {\r\n    switch (format) {\r\n        case StringFormat.RAW:\r\n            return new StringData(utf8Bytes_(stringData));\r\n        case StringFormat.BASE64:\r\n        case StringFormat.BASE64URL:\r\n            return new StringData(base64Bytes_(format, stringData));\r\n        case StringFormat.DATA_URL:\r\n            return new StringData(dataURLBytes_(stringData), dataURLContentType_(stringData));\r\n        // do nothing\r\n    }\r\n    // assert(false);\r\n    throw unknown();\r\n}\r\nfunction utf8Bytes_(value) {\r\n    var b = [];\r\n    for (var i = 0; i < value.length; i++) {\r\n        var c = value.charCodeAt(i);\r\n        if (c <= 127) {\r\n            b.push(c);\r\n        }\r\n        else {\r\n            if (c <= 2047) {\r\n                b.push(192 | (c >> 6), 128 | (c & 63));\r\n            }\r\n            else {\r\n                if ((c & 64512) === 55296) {\r\n                    // The start of a surrogate pair.\r\n                    var valid = i < value.length - 1 && (value.charCodeAt(i + 1) & 64512) === 56320;\r\n                    if (!valid) {\r\n                        // The second surrogate wasn't there.\r\n                        b.push(239, 191, 189);\r\n                    }\r\n                    else {\r\n                        var hi = c;\r\n                        var lo = value.charCodeAt(++i);\r\n                        c = 65536 | ((hi & 1023) << 10) | (lo & 1023);\r\n                        b.push(240 | (c >> 18), 128 | ((c >> 12) & 63), 128 | ((c >> 6) & 63), 128 | (c & 63));\r\n                    }\r\n                }\r\n                else {\r\n                    if ((c & 64512) === 56320) {\r\n                        // Invalid low surrogate.\r\n                        b.push(239, 191, 189);\r\n                    }\r\n                    else {\r\n                        b.push(224 | (c >> 12), 128 | ((c >> 6) & 63), 128 | (c & 63));\r\n                    }\r\n                }\r\n            }\r\n        }\r\n    }\r\n    return new Uint8Array(b);\r\n}\r\nfunction percentEncodedBytes_(value) {\r\n    var decoded;\r\n    try {\r\n        decoded = decodeURIComponent(value);\r\n    }\r\n    catch (e) {\r\n        throw invalidFormat(StringFormat.DATA_URL, 'Malformed data URL.');\r\n    }\r\n    return utf8Bytes_(decoded);\r\n}\r\nfunction base64Bytes_(format, value) {\r\n    switch (format) {\r\n        case StringFormat.BASE64: {\r\n            var hasMinus = value.indexOf('-') !== -1;\r\n            var hasUnder = value.indexOf('_') !== -1;\r\n            if (hasMinus || hasUnder) {\r\n                var invalidChar = hasMinus ? '-' : '_';\r\n                throw invalidFormat(format, \"Invalid character '\" +\r\n                    invalidChar +\r\n                    \"' found: is it base64url encoded?\");\r\n            }\r\n            break;\r\n        }\r\n        case StringFormat.BASE64URL: {\r\n            var hasPlus = value.indexOf('+') !== -1;\r\n            var hasSlash = value.indexOf('/') !== -1;\r\n            if (hasPlus || hasSlash) {\r\n                var invalidChar = hasPlus ? '+' : '/';\r\n                throw invalidFormat(format, \"Invalid character '\" + invalidChar + \"' found: is it base64 encoded?\");\r\n            }\r\n            value = value.replace(/-/g, '+').replace(/_/g, '/');\r\n            break;\r\n        }\r\n        // do nothing\r\n    }\r\n    var bytes;\r\n    try {\r\n        bytes = atob(value);\r\n    }\r\n    catch (e) {\r\n        throw invalidFormat(format, 'Invalid character found');\r\n    }\r\n    var array = new Uint8Array(bytes.length);\r\n    for (var i = 0; i < bytes.length; i++) {\r\n        array[i] = bytes.charCodeAt(i);\r\n    }\r\n    return array;\r\n}\r\n/**\r\n * @struct\r\n */\r\nvar DataURLParts = /** @class */ (function () {\r\n    function DataURLParts(dataURL) {\r\n        this.base64 = false;\r\n        this.contentType = null;\r\n        var matches = dataURL.match(/^data:([^,]+)?,/);\r\n        if (matches === null) {\r\n            throw invalidFormat(StringFormat.DATA_URL, \"Must be formatted 'data:[<mediatype>][;base64],<data>\");\r\n        }\r\n        var middle = matches[1] || null;\r\n        if (middle != null) {\r\n            this.base64 = endsWith(middle, ';base64');\r\n            this.contentType = this.base64\r\n                ? middle.substring(0, middle.length - ';base64'.length)\r\n                : middle;\r\n        }\r\n        this.rest = dataURL.substring(dataURL.indexOf(',') + 1);\r\n    }\r\n    return DataURLParts;\r\n}());\r\nfunction dataURLBytes_(dataUrl) {\r\n    var parts = new DataURLParts(dataUrl);\r\n    if (parts.base64) {\r\n        return base64Bytes_(StringFormat.BASE64, parts.rest);\r\n    }\r\n    else {\r\n        return percentEncodedBytes_(parts.rest);\r\n    }\r\n}\r\nfunction dataURLContentType_(dataUrl) {\r\n    var parts = new DataURLParts(dataUrl);\r\n    return parts.contentType;\r\n}\r\nfunction endsWith(s, end) {\r\n    var longEnough = s.length >= end.length;\r\n    if (!longEnough) {\r\n        return false;\r\n    }\r\n    return s.substring(s.length - end.length) === end;\r\n}\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nvar TaskEvent = {\r\n    /** Triggered whenever the task changes or progress is updated. */\r\n    STATE_CHANGED: 'state_changed'\r\n};\r\nvar InternalTaskState = {\r\n    RUNNING: 'running',\r\n    PAUSING: 'pausing',\r\n    PAUSED: 'paused',\r\n    SUCCESS: 'success',\r\n    CANCELING: 'canceling',\r\n    CANCELED: 'canceled',\r\n    ERROR: 'error'\r\n};\r\nvar TaskState = {\r\n    /** The task is currently transferring data. */\r\n    RUNNING: 'running',\r\n    /** The task was paused by the user. */\r\n    PAUSED: 'paused',\r\n    /** The task completed successfully. */\r\n    SUCCESS: 'success',\r\n    /** The task was canceled. */\r\n    CANCELED: 'canceled',\r\n    /** The task failed with an error. */\r\n    ERROR: 'error'\r\n};\r\nfunction taskStateFromInternalTaskState(state) {\r\n    switch (state) {\r\n        case InternalTaskState.RUNNING:\r\n        case InternalTaskState.PAUSING:\r\n        case InternalTaskState.CANCELING:\r\n            return TaskState.RUNNING;\r\n        case InternalTaskState.PAUSED:\r\n            return TaskState.PAUSED;\r\n        case InternalTaskState.SUCCESS:\r\n            return TaskState.SUCCESS;\r\n        case InternalTaskState.CANCELED:\r\n            return TaskState.CANCELED;\r\n        case InternalTaskState.ERROR:\r\n            return TaskState.ERROR;\r\n        default:\r\n            // TODO(andysoto): assert(false);\r\n            return TaskState.ERROR;\r\n    }\r\n}\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * @return False if the object is undefined or null, true otherwise.\r\n */\r\nfunction isDef(p) {\r\n    return p != null;\r\n}\r\nfunction isJustDef(p) {\r\n    return p !== void 0;\r\n}\r\n// eslint-disable-next-line @typescript-eslint/ban-types\r\nfunction isFunction(p) {\r\n    return typeof p === 'function';\r\n}\r\nfunction isObject(p) {\r\n    return typeof p === 'object';\r\n}\r\nfunction isNonNullObject(p) {\r\n    return isObject(p) && p !== null;\r\n}\r\nfunction isNonArrayObject(p) {\r\n    return isObject(p) && !Array.isArray(p);\r\n}\r\nfunction isString(p) {\r\n    return typeof p === 'string' || p instanceof String;\r\n}\r\nfunction isInteger(p) {\r\n    return isNumber(p) && Number.isInteger(p);\r\n}\r\nfunction isNumber(p) {\r\n    return typeof p === 'number' || p instanceof Number;\r\n}\r\nfunction isNativeBlob(p) {\r\n    return isNativeBlobDefined() && p instanceof Blob;\r\n}\r\nfunction isNativeBlobDefined() {\r\n    return typeof Blob !== 'undefined';\r\n}\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * @enum{number}\r\n */\r\nvar ErrorCode;\r\n(function (ErrorCode) {\r\n    ErrorCode[ErrorCode[\"NO_ERROR\"] = 0] = \"NO_ERROR\";\r\n    ErrorCode[ErrorCode[\"NETWORK_ERROR\"] = 1] = \"NETWORK_ERROR\";\r\n    ErrorCode[ErrorCode[\"ABORT\"] = 2] = \"ABORT\";\r\n})(ErrorCode || (ErrorCode = {}));\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * We use this instead of goog.net.XhrIo because goog.net.XhrIo is hyuuuuge and\r\n * doesn't work in React Native on Android.\r\n */\r\nvar NetworkXhrIo = /** @class */ (function () {\r\n    function NetworkXhrIo() {\r\n        var _this = this;\r\n        this.sent_ = false;\r\n        this.xhr_ = new XMLHttpRequest();\r\n        this.errorCode_ = ErrorCode.NO_ERROR;\r\n        this.sendPromise_ = new Promise(function (resolve) {\r\n            _this.xhr_.addEventListener('abort', function () {\r\n                _this.errorCode_ = ErrorCode.ABORT;\r\n                resolve(_this);\r\n            });\r\n            _this.xhr_.addEventListener('error', function () {\r\n                _this.errorCode_ = ErrorCode.NETWORK_ERROR;\r\n                resolve(_this);\r\n            });\r\n            _this.xhr_.addEventListener('load', function () {\r\n                resolve(_this);\r\n            });\r\n        });\r\n    }\r\n    /**\r\n     * @override\r\n     */\r\n    NetworkXhrIo.prototype.send = function (url, method, body, headers) {\r\n        if (this.sent_) {\r\n            throw internalError('cannot .send() more than once');\r\n        }\r\n        this.sent_ = true;\r\n        this.xhr_.open(method, url, true);\r\n        if (isDef(headers)) {\r\n            for (var key in headers) {\r\n                if (headers.hasOwnProperty(key)) {\r\n                    this.xhr_.setRequestHeader(key, headers[key].toString());\r\n                }\r\n            }\r\n        }\r\n        if (isDef(body)) {\r\n            this.xhr_.send(body);\r\n        }\r\n        else {\r\n            this.xhr_.send();\r\n        }\r\n        return this.sendPromise_;\r\n    };\r\n    /**\r\n     * @override\r\n     */\r\n    NetworkXhrIo.prototype.getErrorCode = function () {\r\n        if (!this.sent_) {\r\n            throw internalError('cannot .getErrorCode() before sending');\r\n        }\r\n        return this.errorCode_;\r\n    };\r\n    /**\r\n     * @override\r\n     */\r\n    NetworkXhrIo.prototype.getStatus = function () {\r\n        if (!this.sent_) {\r\n            throw internalError('cannot .getStatus() before sending');\r\n        }\r\n        try {\r\n            return this.xhr_.status;\r\n        }\r\n        catch (e) {\r\n            return -1;\r\n        }\r\n    };\r\n    /**\r\n     * @override\r\n     */\r\n    NetworkXhrIo.prototype.getResponseText = function () {\r\n        if (!this.sent_) {\r\n            throw internalError('cannot .getResponseText() before sending');\r\n        }\r\n        return this.xhr_.responseText;\r\n    };\r\n    /**\r\n     * Aborts the request.\r\n     * @override\r\n     */\r\n    NetworkXhrIo.prototype.abort = function () {\r\n        this.xhr_.abort();\r\n    };\r\n    /**\r\n     * @override\r\n     */\r\n    NetworkXhrIo.prototype.getResponseHeader = function (header) {\r\n        return this.xhr_.getResponseHeader(header);\r\n    };\r\n    /**\r\n     * @override\r\n     */\r\n    NetworkXhrIo.prototype.addUploadProgressListener = function (listener) {\r\n        if (isDef(this.xhr_.upload)) {\r\n            this.xhr_.upload.addEventListener('progress', listener);\r\n        }\r\n    };\r\n    /**\r\n     * @override\r\n     */\r\n    NetworkXhrIo.prototype.removeUploadProgressListener = function (listener) {\r\n        if (isDef(this.xhr_.upload)) {\r\n            this.xhr_.upload.removeEventListener('progress', listener);\r\n        }\r\n    };\r\n    return NetworkXhrIo;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * Factory-like class for creating XhrIo instances.\r\n */\r\nvar XhrIoPool = /** @class */ (function () {\r\n    function XhrIoPool() {\r\n    }\r\n    XhrIoPool.prototype.createXhrIo = function () {\r\n        return new NetworkXhrIo();\r\n    };\r\n    return XhrIoPool;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nfunction getBlobBuilder() {\r\n    if (typeof BlobBuilder !== 'undefined') {\r\n        return BlobBuilder;\r\n    }\r\n    else if (typeof WebKitBlobBuilder !== 'undefined') {\r\n        return WebKitBlobBuilder;\r\n    }\r\n    else {\r\n        return undefined;\r\n    }\r\n}\r\n/**\r\n * Concatenates one or more values together and converts them to a Blob.\r\n *\r\n * @param args The values that will make up the resulting blob.\r\n * @return The blob.\r\n */\r\nfunction getBlob() {\r\n    var args = [];\r\n    for (var _i = 0; _i < arguments.length; _i++) {\r\n        args[_i] = arguments[_i];\r\n    }\r\n    var BlobBuilder = getBlobBuilder();\r\n    if (BlobBuilder !== undefined) {\r\n        var bb = new BlobBuilder();\r\n        for (var i = 0; i < args.length; i++) {\r\n            bb.append(args[i]);\r\n        }\r\n        return bb.getBlob();\r\n    }\r\n    else {\r\n        if (isNativeBlobDefined()) {\r\n            return new Blob(args);\r\n        }\r\n        else {\r\n            throw Error(\"This browser doesn't seem to support creating Blobs\");\r\n        }\r\n    }\r\n}\r\n/**\r\n * Slices the blob. The returned blob contains data from the start byte\r\n * (inclusive) till the end byte (exclusive). Negative indices cannot be used.\r\n *\r\n * @param blob The blob to be sliced.\r\n * @param start Index of the starting byte.\r\n * @param end Index of the ending byte.\r\n * @return The blob slice or null if not supported.\r\n */\r\nfunction sliceBlob(blob, start, end) {\r\n    if (blob.webkitSlice) {\r\n        return blob.webkitSlice(start, end);\r\n    }\r\n    else if (blob.mozSlice) {\r\n        return blob.mozSlice(start, end);\r\n    }\r\n    else if (blob.slice) {\r\n        return blob.slice(start, end);\r\n    }\r\n    return null;\r\n}\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * @param opt_elideCopy If true, doesn't copy mutable input data\r\n *     (e.g. Uint8Arrays). Pass true only if you know the objects will not be\r\n *     modified after this blob's construction.\r\n */\r\nvar FbsBlob = /** @class */ (function () {\r\n    function FbsBlob(data, elideCopy) {\r\n        var size = 0;\r\n        var blobType = '';\r\n        if (isNativeBlob(data)) {\r\n            this.data_ = data;\r\n            size = data.size;\r\n            blobType = data.type;\r\n        }\r\n        else if (data instanceof ArrayBuffer) {\r\n            if (elideCopy) {\r\n                this.data_ = new Uint8Array(data);\r\n            }\r\n            else {\r\n                this.data_ = new Uint8Array(data.byteLength);\r\n                this.data_.set(new Uint8Array(data));\r\n            }\r\n            size = this.data_.length;\r\n        }\r\n        else if (data instanceof Uint8Array) {\r\n            if (elideCopy) {\r\n                this.data_ = data;\r\n            }\r\n            else {\r\n                this.data_ = new Uint8Array(data.length);\r\n                this.data_.set(data);\r\n            }\r\n            size = data.length;\r\n        }\r\n        this.size_ = size;\r\n        this.type_ = blobType;\r\n    }\r\n    FbsBlob.prototype.size = function () {\r\n        return this.size_;\r\n    };\r\n    FbsBlob.prototype.type = function () {\r\n        return this.type_;\r\n    };\r\n    FbsBlob.prototype.slice = function (startByte, endByte) {\r\n        if (isNativeBlob(this.data_)) {\r\n            var realBlob = this.data_;\r\n            var sliced = sliceBlob(realBlob, startByte, endByte);\r\n            if (sliced === null) {\r\n                return null;\r\n            }\r\n            return new FbsBlob(sliced);\r\n        }\r\n        else {\r\n            var slice = new Uint8Array(this.data_.buffer, startByte, endByte - startByte);\r\n            return new FbsBlob(slice, true);\r\n        }\r\n    };\r\n    FbsBlob.getBlob = function () {\r\n        var args = [];\r\n        for (var _i = 0; _i < arguments.length; _i++) {\r\n            args[_i] = arguments[_i];\r\n        }\r\n        if (isNativeBlobDefined()) {\r\n            var blobby = args.map(function (val) {\r\n                if (val instanceof FbsBlob) {\r\n                    return val.data_;\r\n                }\r\n                else {\r\n                    return val;\r\n                }\r\n            });\r\n            return new FbsBlob(getBlob.apply(null, blobby));\r\n        }\r\n        else {\r\n            var uint8Arrays = args.map(function (val) {\r\n                if (isString(val)) {\r\n                    return dataFromString(StringFormat.RAW, val).data;\r\n                }\r\n                else {\r\n                    // Blobs don't exist, so this has to be a Uint8Array.\r\n                    return val.data_;\r\n                }\r\n            });\r\n            var finalLength_1 = 0;\r\n            uint8Arrays.forEach(function (array) {\r\n                finalLength_1 += array.byteLength;\r\n            });\r\n            var merged_1 = new Uint8Array(finalLength_1);\r\n            var index_1 = 0;\r\n            uint8Arrays.forEach(function (array) {\r\n                for (var i = 0; i < array.length; i++) {\r\n                    merged_1[index_1++] = array[i];\r\n                }\r\n            });\r\n            return new FbsBlob(merged_1, true);\r\n        }\r\n    };\r\n    FbsBlob.prototype.uploadData = function () {\r\n        return this.data_;\r\n    };\r\n    return FbsBlob;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * @struct\r\n */\r\nvar Location = /** @class */ (function () {\r\n    function Location(bucket, path) {\r\n        this.bucket = bucket;\r\n        this.path_ = path;\r\n    }\r\n    Object.defineProperty(Location.prototype, \"path\", {\r\n        get: function () {\r\n            return this.path_;\r\n        },\r\n        enumerable: false,\r\n        configurable: true\r\n    });\r\n    Object.defineProperty(Location.prototype, \"isRoot\", {\r\n        get: function () {\r\n            return this.path.length === 0;\r\n        },\r\n        enumerable: false,\r\n        configurable: true\r\n    });\r\n    Location.prototype.fullServerUrl = function () {\r\n        var encode = encodeURIComponent;\r\n        return '/b/' + encode(this.bucket) + '/o/' + encode(this.path);\r\n    };\r\n    Location.prototype.bucketOnlyServerUrl = function () {\r\n        var encode = encodeURIComponent;\r\n        return '/b/' + encode(this.bucket) + '/o';\r\n    };\r\n    Location.makeFromBucketSpec = function (bucketString) {\r\n        var bucketLocation;\r\n        try {\r\n            bucketLocation = Location.makeFromUrl(bucketString);\r\n        }\r\n        catch (e) {\r\n            // Not valid URL, use as-is. This lets you put bare bucket names in\r\n            // config.\r\n            return new Location(bucketString, '');\r\n        }\r\n        if (bucketLocation.path === '') {\r\n            return bucketLocation;\r\n        }\r\n        else {\r\n            throw invalidDefaultBucket(bucketString);\r\n        }\r\n    };\r\n    Location.makeFromUrl = function (url) {\r\n        var location = null;\r\n        var bucketDomain = '([A-Za-z0-9.\\\\-_]+)';\r\n        function gsModify(loc) {\r\n            if (loc.path.charAt(loc.path.length - 1) === '/') {\r\n                loc.path_ = loc.path_.slice(0, -1);\r\n            }\r\n        }\r\n        var gsPath = '(/(.*))?$';\r\n        var gsRegex = new RegExp('^gs://' + bucketDomain + gsPath, 'i');\r\n        var gsIndices = { bucket: 1, path: 3 };\r\n        function httpModify(loc) {\r\n            loc.path_ = decodeURIComponent(loc.path);\r\n        }\r\n        var version = 'v[A-Za-z0-9_]+';\r\n        var firebaseStorageHost = DEFAULT_HOST.replace(/[.]/g, '\\\\.');\r\n        var firebaseStoragePath = '(/([^?#]*).*)?$';\r\n        var firebaseStorageRegExp = new RegExp(\"^https?://\" + firebaseStorageHost + \"/\" + version + \"/b/\" + bucketDomain + \"/o\" + firebaseStoragePath, 'i');\r\n        var firebaseStorageIndices = { bucket: 1, path: 3 };\r\n        var cloudStorageHost = '(?:storage.googleapis.com|storage.cloud.google.com)';\r\n        var cloudStoragePath = '([^?#]*)';\r\n        var cloudStorageRegExp = new RegExp(\"^https?://\" + cloudStorageHost + \"/\" + bucketDomain + \"/\" + cloudStoragePath, 'i');\r\n        var cloudStorageIndices = { bucket: 1, path: 2 };\r\n        var groups = [\r\n            { regex: gsRegex, indices: gsIndices, postModify: gsModify },\r\n            {\r\n                regex: firebaseStorageRegExp,\r\n                indices: firebaseStorageIndices,\r\n                postModify: httpModify\r\n            },\r\n            {\r\n                regex: cloudStorageRegExp,\r\n                indices: cloudStorageIndices,\r\n                postModify: httpModify\r\n            }\r\n        ];\r\n        for (var i = 0; i < groups.length; i++) {\r\n            var group = groups[i];\r\n            var captures = group.regex.exec(url);\r\n            if (captures) {\r\n                var bucketValue = captures[group.indices.bucket];\r\n                var pathValue = captures[group.indices.path];\r\n                if (!pathValue) {\r\n                    pathValue = '';\r\n                }\r\n                location = new Location(bucketValue, pathValue);\r\n                group.postModify(location);\r\n                break;\r\n            }\r\n        }\r\n        if (location == null) {\r\n            throw invalidUrl(url);\r\n        }\r\n        return location;\r\n    };\r\n    return Location;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * Returns the Object resulting from parsing the given JSON, or null if the\r\n * given string does not represent a JSON object.\r\n */\r\nfunction jsonObjectOrNull(s) {\r\n    var obj;\r\n    try {\r\n        obj = JSON.parse(s);\r\n    }\r\n    catch (e) {\r\n        return null;\r\n    }\r\n    if (isNonArrayObject(obj)) {\r\n        return obj;\r\n    }\r\n    else {\r\n        return null;\r\n    }\r\n}\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * @fileoverview Contains helper methods for manipulating paths.\r\n */\r\n/**\r\n * @return Null if the path is already at the root.\r\n */\r\nfunction parent(path) {\r\n    if (path.length === 0) {\r\n        return null;\r\n    }\r\n    var index = path.lastIndexOf('/');\r\n    if (index === -1) {\r\n        return '';\r\n    }\r\n    var newPath = path.slice(0, index);\r\n    return newPath;\r\n}\r\nfunction child(path, childPath) {\r\n    var canonicalChildPath = childPath\r\n        .split('/')\r\n        .filter(function (component) { return component.length > 0; })\r\n        .join('/');\r\n    if (path.length === 0) {\r\n        return canonicalChildPath;\r\n    }\r\n    else {\r\n        return path + '/' + canonicalChildPath;\r\n    }\r\n}\r\n/**\r\n * Returns the last component of a path.\r\n * '/foo/bar' -> 'bar'\r\n * '/foo/bar/baz/' -> 'baz/'\r\n * '/a' -> 'a'\r\n */\r\nfunction lastComponent(path) {\r\n    var index = path.lastIndexOf('/', path.length - 2);\r\n    if (index === -1) {\r\n        return path;\r\n    }\r\n    else {\r\n        return path.slice(index + 1);\r\n    }\r\n}\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nfunction makeUrl(urlPart) {\r\n    return \"https://\" + DEFAULT_HOST + \"/v0\" + urlPart;\r\n}\r\nfunction makeQueryString(params) {\r\n    var encode = encodeURIComponent;\r\n    var queryPart = '?';\r\n    for (var key in params) {\r\n        if (params.hasOwnProperty(key)) {\r\n            // @ts-ignore TODO: remove once typescript is upgraded to 3.5.x\r\n            var nextPart = encode(key) + '=' + encode(params[key]);\r\n            queryPart = queryPart + nextPart + '&';\r\n        }\r\n    }\r\n    // Chop off the extra '&' or '?' on the end\r\n    queryPart = queryPart.slice(0, -1);\r\n    return queryPart;\r\n}\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nfunction noXform_(metadata, value) {\r\n    return value;\r\n}\r\n/**\r\n * @struct\r\n */\r\nvar Mapping = /** @class */ (function () {\r\n    function Mapping(server, local, writable, xform) {\r\n        this.server = server;\r\n        this.local = local || server;\r\n        this.writable = !!writable;\r\n        this.xform = xform || noXform_;\r\n    }\r\n    return Mapping;\r\n}());\r\nvar mappings_ = null;\r\nfunction xformPath(fullPath) {\r\n    if (!isString(fullPath) || fullPath.length < 2) {\r\n        return fullPath;\r\n    }\r\n    else {\r\n        return lastComponent(fullPath);\r\n    }\r\n}\r\nfunction getMappings() {\r\n    if (mappings_) {\r\n        return mappings_;\r\n    }\r\n    var mappings = [];\r\n    mappings.push(new Mapping('bucket'));\r\n    mappings.push(new Mapping('generation'));\r\n    mappings.push(new Mapping('metageneration'));\r\n    mappings.push(new Mapping('name', 'fullPath', true));\r\n    function mappingsXformPath(_metadata, fullPath) {\r\n        return xformPath(fullPath);\r\n    }\r\n    var nameMapping = new Mapping('name');\r\n    nameMapping.xform = mappingsXformPath;\r\n    mappings.push(nameMapping);\r\n    /**\r\n     * Coerces the second param to a number, if it is defined.\r\n     */\r\n    function xformSize(_metadata, size) {\r\n        if (isDef(size)) {\r\n            return Number(size);\r\n        }\r\n        else {\r\n            return size;\r\n        }\r\n    }\r\n    var sizeMapping = new Mapping('size');\r\n    sizeMapping.xform = xformSize;\r\n    mappings.push(sizeMapping);\r\n    mappings.push(new Mapping('timeCreated'));\r\n    mappings.push(new Mapping('updated'));\r\n    mappings.push(new Mapping('md5Hash', null, true));\r\n    mappings.push(new Mapping('cacheControl', null, true));\r\n    mappings.push(new Mapping('contentDisposition', null, true));\r\n    mappings.push(new Mapping('contentEncoding', null, true));\r\n    mappings.push(new Mapping('contentLanguage', null, true));\r\n    mappings.push(new Mapping('contentType', null, true));\r\n    mappings.push(new Mapping('metadata', 'customMetadata', true));\r\n    mappings_ = mappings;\r\n    return mappings_;\r\n}\r\nfunction addRef(metadata, service) {\r\n    function generateRef() {\r\n        var bucket = metadata['bucket'];\r\n        var path = metadata['fullPath'];\r\n        var loc = new Location(bucket, path);\r\n        return service.makeStorageReference(loc);\r\n    }\r\n    Object.defineProperty(metadata, 'ref', { get: generateRef });\r\n}\r\nfunction fromResource(service, resource, mappings) {\r\n    var metadata = {};\r\n    metadata['type'] = 'file';\r\n    var len = mappings.length;\r\n    for (var i = 0; i < len; i++) {\r\n        var mapping = mappings[i];\r\n        metadata[mapping.local] = mapping.xform(metadata, resource[mapping.server]);\r\n    }\r\n    addRef(metadata, service);\r\n    return metadata;\r\n}\r\nfunction fromResourceString(service, resourceString, mappings) {\r\n    var obj = jsonObjectOrNull(resourceString);\r\n    if (obj === null) {\r\n        return null;\r\n    }\r\n    var resource = obj;\r\n    return fromResource(service, resource, mappings);\r\n}\r\nfunction downloadUrlFromResourceString(metadata, resourceString) {\r\n    var obj = jsonObjectOrNull(resourceString);\r\n    if (obj === null) {\r\n        return null;\r\n    }\r\n    if (!isString(obj['downloadTokens'])) {\r\n        // This can happen if objects are uploaded through GCS and retrieved\r\n        // through list, so we don't want to throw an Error.\r\n        return null;\r\n    }\r\n    var tokens = obj['downloadTokens'];\r\n    if (tokens.length === 0) {\r\n        return null;\r\n    }\r\n    var encode = encodeURIComponent;\r\n    var tokensList = tokens.split(',');\r\n    var urls = tokensList.map(function (token) {\r\n        var bucket = metadata['bucket'];\r\n        var path = metadata['fullPath'];\r\n        var urlPart = '/b/' + encode(bucket) + '/o/' + encode(path);\r\n        var base = makeUrl(urlPart);\r\n        var queryString = makeQueryString({\r\n            alt: 'media',\r\n            token: token\r\n        });\r\n        return base + queryString;\r\n    });\r\n    return urls[0];\r\n}\r\nfunction toResourceString(metadata, mappings) {\r\n    var resource = {};\r\n    var len = mappings.length;\r\n    for (var i = 0; i < len; i++) {\r\n        var mapping = mappings[i];\r\n        if (mapping.writable) {\r\n            resource[mapping.server] = metadata[mapping.local];\r\n        }\r\n    }\r\n    return JSON.stringify(resource);\r\n}\r\nfunction metadataValidator(p) {\r\n    if (!isObject(p) || !p) {\r\n        throw 'Expected Metadata object.';\r\n    }\r\n    for (var key in p) {\r\n        if (p.hasOwnProperty(key)) {\r\n            var val = p[key];\r\n            if (key === 'customMetadata') {\r\n                if (!isObject(val)) {\r\n                    throw 'Expected object for \\'customMetadata\\' mapping.';\r\n                }\r\n            }\r\n            else {\r\n                if (isNonNullObject(val)) {\r\n                    throw \"Mapping for '\" + key + \"' cannot be an object.\";\r\n                }\r\n            }\r\n        }\r\n    }\r\n}\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nvar MAX_RESULTS_KEY = 'maxResults';\r\nvar MAX_MAX_RESULTS = 1000;\r\nvar PAGE_TOKEN_KEY = 'pageToken';\r\nvar PREFIXES_KEY = 'prefixes';\r\nvar ITEMS_KEY = 'items';\r\nfunction fromBackendResponse(service, bucket, resource) {\r\n    var listResult = {\r\n        prefixes: [],\r\n        items: [],\r\n        nextPageToken: resource['nextPageToken']\r\n    };\r\n    if (resource[PREFIXES_KEY]) {\r\n        for (var _i = 0, _a = resource[PREFIXES_KEY]; _i < _a.length; _i++) {\r\n            var path = _a[_i];\r\n            var pathWithoutTrailingSlash = path.replace(/\\/$/, '');\r\n            var reference = service.makeStorageReference(new Location(bucket, pathWithoutTrailingSlash));\r\n            listResult.prefixes.push(reference);\r\n        }\r\n    }\r\n    if (resource[ITEMS_KEY]) {\r\n        for (var _b = 0, _c = resource[ITEMS_KEY]; _b < _c.length; _b++) {\r\n            var item = _c[_b];\r\n            var reference = service.makeStorageReference(new Location(bucket, item['name']));\r\n            listResult.items.push(reference);\r\n        }\r\n    }\r\n    return listResult;\r\n}\r\nfunction fromResponseString(service, bucket, resourceString) {\r\n    var obj = jsonObjectOrNull(resourceString);\r\n    if (obj === null) {\r\n        return null;\r\n    }\r\n    var resource = obj;\r\n    return fromBackendResponse(service, bucket, resource);\r\n}\r\nfunction listOptionsValidator(p) {\r\n    if (!isObject(p) || !p) {\r\n        throw 'Expected ListOptions object.';\r\n    }\r\n    for (var key in p) {\r\n        if (key === MAX_RESULTS_KEY) {\r\n            if (!isInteger(p[MAX_RESULTS_KEY]) ||\r\n                p[MAX_RESULTS_KEY] <= 0) {\r\n                throw 'Expected maxResults to be a positive number.';\r\n            }\r\n            if (p[MAX_RESULTS_KEY] > 1000) {\r\n                throw \"Expected maxResults to be less than or equal to \" + MAX_MAX_RESULTS + \".\";\r\n            }\r\n        }\r\n        else if (key === PAGE_TOKEN_KEY) {\r\n            if (p[PAGE_TOKEN_KEY] && !isString(p[PAGE_TOKEN_KEY])) {\r\n                throw 'Expected pageToken to be string.';\r\n            }\r\n        }\r\n        else {\r\n            throw 'Unknown option: ' + key;\r\n        }\r\n    }\r\n}\n\nvar RequestInfo = /** @class */ (function () {\r\n    function RequestInfo(url, method, \r\n    /**\r\n     * Returns the value with which to resolve the request's promise. Only called\r\n     * if the request is successful. Throw from this function to reject the\r\n     * returned Request's promise with the thrown error.\r\n     * Note: The XhrIo passed to this function may be reused after this callback\r\n     * returns. Do not keep a reference to it in any way.\r\n     */\r\n    handler, timeout) {\r\n        this.url = url;\r\n        this.method = method;\r\n        this.handler = handler;\r\n        this.timeout = timeout;\r\n        this.urlParams = {};\r\n        this.headers = {};\r\n        this.body = null;\r\n        this.errorHandler = null;\r\n        /**\r\n         * Called with the current number of bytes uploaded and total size (-1 if not\r\n         * computable) of the request body (i.e. used to report upload progress).\r\n         */\r\n        this.progressCallback = null;\r\n        this.successCodes = [200];\r\n        this.additionalRetryCodes = [];\r\n    }\r\n    return RequestInfo;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * Throws the UNKNOWN FirebaseStorageError if cndn is false.\r\n */\r\nfunction handlerCheck(cndn) {\r\n    if (!cndn) {\r\n        throw unknown();\r\n    }\r\n}\r\nfunction metadataHandler(service, mappings) {\r\n    function handler(xhr, text) {\r\n        var metadata = fromResourceString(service, text, mappings);\r\n        handlerCheck(metadata !== null);\r\n        return metadata;\r\n    }\r\n    return handler;\r\n}\r\nfunction listHandler(service, bucket) {\r\n    function handler(xhr, text) {\r\n        var listResult = fromResponseString(service, bucket, text);\r\n        handlerCheck(listResult !== null);\r\n        return listResult;\r\n    }\r\n    return handler;\r\n}\r\nfunction downloadUrlHandler(service, mappings) {\r\n    function handler(xhr, text) {\r\n        var metadata = fromResourceString(service, text, mappings);\r\n        handlerCheck(metadata !== null);\r\n        return downloadUrlFromResourceString(metadata, text);\r\n    }\r\n    return handler;\r\n}\r\nfunction sharedErrorHandler(location) {\r\n    function errorHandler(xhr, err) {\r\n        var newErr;\r\n        if (xhr.getStatus() === 401) {\r\n            newErr = unauthenticated();\r\n        }\r\n        else {\r\n            if (xhr.getStatus() === 402) {\r\n                newErr = quotaExceeded(location.bucket);\r\n            }\r\n            else {\r\n                if (xhr.getStatus() === 403) {\r\n                    newErr = unauthorized(location.path);\r\n                }\r\n                else {\r\n                    newErr = err;\r\n                }\r\n            }\r\n        }\r\n        newErr.setServerResponseProp(err.serverResponseProp());\r\n        return newErr;\r\n    }\r\n    return errorHandler;\r\n}\r\nfunction objectErrorHandler(location) {\r\n    var shared = sharedErrorHandler(location);\r\n    function errorHandler(xhr, err) {\r\n        var newErr = shared(xhr, err);\r\n        if (xhr.getStatus() === 404) {\r\n            newErr = objectNotFound(location.path);\r\n        }\r\n        newErr.setServerResponseProp(err.serverResponseProp());\r\n        return newErr;\r\n    }\r\n    return errorHandler;\r\n}\r\nfunction getMetadata(service, location, mappings) {\r\n    var urlPart = location.fullServerUrl();\r\n    var url = makeUrl(urlPart);\r\n    var method = 'GET';\r\n    var timeout = service.maxOperationRetryTime;\r\n    var requestInfo = new RequestInfo(url, method, metadataHandler(service, mappings), timeout);\r\n    requestInfo.errorHandler = objectErrorHandler(location);\r\n    return requestInfo;\r\n}\r\nfunction list(service, location, delimiter, pageToken, maxResults) {\r\n    var urlParams = {};\r\n    if (location.isRoot) {\r\n        urlParams['prefix'] = '';\r\n    }\r\n    else {\r\n        urlParams['prefix'] = location.path + '/';\r\n    }\r\n    if (delimiter && delimiter.length > 0) {\r\n        urlParams['delimiter'] = delimiter;\r\n    }\r\n    if (pageToken) {\r\n        urlParams['pageToken'] = pageToken;\r\n    }\r\n    if (maxResults) {\r\n        urlParams['maxResults'] = maxResults;\r\n    }\r\n    var urlPart = location.bucketOnlyServerUrl();\r\n    var url = makeUrl(urlPart);\r\n    var method = 'GET';\r\n    var timeout = service.maxOperationRetryTime;\r\n    var requestInfo = new RequestInfo(url, method, listHandler(service, location.bucket), timeout);\r\n    requestInfo.urlParams = urlParams;\r\n    requestInfo.errorHandler = sharedErrorHandler(location);\r\n    return requestInfo;\r\n}\r\nfunction getDownloadUrl(service, location, mappings) {\r\n    var urlPart = location.fullServerUrl();\r\n    var url = makeUrl(urlPart);\r\n    var method = 'GET';\r\n    var timeout = service.maxOperationRetryTime;\r\n    var requestInfo = new RequestInfo(url, method, downloadUrlHandler(service, mappings), timeout);\r\n    requestInfo.errorHandler = objectErrorHandler(location);\r\n    return requestInfo;\r\n}\r\nfunction updateMetadata(service, location, metadata, mappings) {\r\n    var urlPart = location.fullServerUrl();\r\n    var url = makeUrl(urlPart);\r\n    var method = 'PATCH';\r\n    var body = toResourceString(metadata, mappings);\r\n    var headers = { 'Content-Type': 'application/json; charset=utf-8' };\r\n    var timeout = service.maxOperationRetryTime;\r\n    var requestInfo = new RequestInfo(url, method, metadataHandler(service, mappings), timeout);\r\n    requestInfo.headers = headers;\r\n    requestInfo.body = body;\r\n    requestInfo.errorHandler = objectErrorHandler(location);\r\n    return requestInfo;\r\n}\r\nfunction deleteObject(service, location) {\r\n    var urlPart = location.fullServerUrl();\r\n    var url = makeUrl(urlPart);\r\n    var method = 'DELETE';\r\n    var timeout = service.maxOperationRetryTime;\r\n    function handler(_xhr, _text) { }\r\n    var requestInfo = new RequestInfo(url, method, handler, timeout);\r\n    requestInfo.successCodes = [200, 204];\r\n    requestInfo.errorHandler = objectErrorHandler(location);\r\n    return requestInfo;\r\n}\r\nfunction determineContentType_(metadata, blob) {\r\n    return ((metadata && metadata['contentType']) ||\r\n        (blob && blob.type()) ||\r\n        'application/octet-stream');\r\n}\r\nfunction metadataForUpload_(location, blob, metadata) {\r\n    var metadataClone = Object.assign({}, metadata);\r\n    metadataClone['fullPath'] = location.path;\r\n    metadataClone['size'] = blob.size();\r\n    if (!metadataClone['contentType']) {\r\n        metadataClone['contentType'] = determineContentType_(null, blob);\r\n    }\r\n    return metadataClone;\r\n}\r\nfunction multipartUpload(service, location, mappings, blob, metadata) {\r\n    var urlPart = location.bucketOnlyServerUrl();\r\n    var headers = {\r\n        'X-Goog-Upload-Protocol': 'multipart'\r\n    };\r\n    function genBoundary() {\r\n        var str = '';\r\n        for (var i = 0; i < 2; i++) {\r\n            str = str + Math.random().toString().slice(2);\r\n        }\r\n        return str;\r\n    }\r\n    var boundary = genBoundary();\r\n    headers['Content-Type'] = 'multipart/related; boundary=' + boundary;\r\n    var metadata_ = metadataForUpload_(location, blob, metadata);\r\n    var metadataString = toResourceString(metadata_, mappings);\r\n    var preBlobPart = '--' +\r\n        boundary +\r\n        '\\r\\n' +\r\n        'Content-Type: application/json; charset=utf-8\\r\\n\\r\\n' +\r\n        metadataString +\r\n        '\\r\\n--' +\r\n        boundary +\r\n        '\\r\\n' +\r\n        'Content-Type: ' +\r\n        metadata_['contentType'] +\r\n        '\\r\\n\\r\\n';\r\n    var postBlobPart = '\\r\\n--' + boundary + '--';\r\n    var body = FbsBlob.getBlob(preBlobPart, blob, postBlobPart);\r\n    if (body === null) {\r\n        throw cannotSliceBlob();\r\n    }\r\n    var urlParams = { name: metadata_['fullPath'] };\r\n    var url = makeUrl(urlPart);\r\n    var method = 'POST';\r\n    var timeout = service.maxUploadRetryTime;\r\n    var requestInfo = new RequestInfo(url, method, metadataHandler(service, mappings), timeout);\r\n    requestInfo.urlParams = urlParams;\r\n    requestInfo.headers = headers;\r\n    requestInfo.body = body.uploadData();\r\n    requestInfo.errorHandler = sharedErrorHandler(location);\r\n    return requestInfo;\r\n}\r\n/**\r\n * @param current The number of bytes that have been uploaded so far.\r\n * @param total The total number of bytes in the upload.\r\n * @param opt_finalized True if the server has finished the upload.\r\n * @param opt_metadata The upload metadata, should\r\n *     only be passed if opt_finalized is true.\r\n * @struct\r\n */\r\nvar ResumableUploadStatus = /** @class */ (function () {\r\n    function ResumableUploadStatus(current, total, finalized, metadata) {\r\n        this.current = current;\r\n        this.total = total;\r\n        this.finalized = !!finalized;\r\n        this.metadata = metadata || null;\r\n    }\r\n    return ResumableUploadStatus;\r\n}());\r\nfunction checkResumeHeader_(xhr, allowed) {\r\n    var status = null;\r\n    try {\r\n        status = xhr.getResponseHeader('X-Goog-Upload-Status');\r\n    }\r\n    catch (e) {\r\n        handlerCheck(false);\r\n    }\r\n    var allowedStatus = allowed || ['active'];\r\n    handlerCheck(!!status && allowedStatus.indexOf(status) !== -1);\r\n    return status;\r\n}\r\nfunction createResumableUpload(service, location, mappings, blob, metadata) {\r\n    var urlPart = location.bucketOnlyServerUrl();\r\n    var metadataForUpload = metadataForUpload_(location, blob, metadata);\r\n    var urlParams = { name: metadataForUpload['fullPath'] };\r\n    var url = makeUrl(urlPart);\r\n    var method = 'POST';\r\n    var headers = {\r\n        'X-Goog-Upload-Protocol': 'resumable',\r\n        'X-Goog-Upload-Command': 'start',\r\n        'X-Goog-Upload-Header-Content-Length': blob.size(),\r\n        'X-Goog-Upload-Header-Content-Type': metadataForUpload['contentType'],\r\n        'Content-Type': 'application/json; charset=utf-8'\r\n    };\r\n    var body = toResourceString(metadataForUpload, mappings);\r\n    var timeout = service.maxUploadRetryTime;\r\n    function handler(xhr) {\r\n        checkResumeHeader_(xhr);\r\n        var url;\r\n        try {\r\n            url = xhr.getResponseHeader('X-Goog-Upload-URL');\r\n        }\r\n        catch (e) {\r\n            handlerCheck(false);\r\n        }\r\n        handlerCheck(isString(url));\r\n        return url;\r\n    }\r\n    var requestInfo = new RequestInfo(url, method, handler, timeout);\r\n    requestInfo.urlParams = urlParams;\r\n    requestInfo.headers = headers;\r\n    requestInfo.body = body;\r\n    requestInfo.errorHandler = sharedErrorHandler(location);\r\n    return requestInfo;\r\n}\r\n/**\r\n * @param url From a call to fbs.requests.createResumableUpload.\r\n */\r\nfunction getResumableUploadStatus(service, location, url, blob) {\r\n    var headers = { 'X-Goog-Upload-Command': 'query' };\r\n    function handler(xhr) {\r\n        var status = checkResumeHeader_(xhr, ['active', 'final']);\r\n        var sizeString = null;\r\n        try {\r\n            sizeString = xhr.getResponseHeader('X-Goog-Upload-Size-Received');\r\n        }\r\n        catch (e) {\r\n            handlerCheck(false);\r\n        }\r\n        if (!sizeString) {\r\n            // null or empty string\r\n            handlerCheck(false);\r\n        }\r\n        var size = Number(sizeString);\r\n        handlerCheck(!isNaN(size));\r\n        return new ResumableUploadStatus(size, blob.size(), status === 'final');\r\n    }\r\n    var method = 'POST';\r\n    var timeout = service.maxUploadRetryTime;\r\n    var requestInfo = new RequestInfo(url, method, handler, timeout);\r\n    requestInfo.headers = headers;\r\n    requestInfo.errorHandler = sharedErrorHandler(location);\r\n    return requestInfo;\r\n}\r\n/**\r\n * Any uploads via the resumable upload API must transfer a number of bytes\r\n * that is a multiple of this number.\r\n */\r\nvar resumableUploadChunkSize = 256 * 1024;\r\n/**\r\n * @param url From a call to fbs.requests.createResumableUpload.\r\n * @param chunkSize Number of bytes to upload.\r\n * @param status The previous status.\r\n *     If not passed or null, we start from the beginning.\r\n * @throws fbs.Error If the upload is already complete, the passed in status\r\n *     has a final size inconsistent with the blob, or the blob cannot be sliced\r\n *     for upload.\r\n */\r\nfunction continueResumableUpload(location, service, url, blob, chunkSize, mappings, status, progressCallback) {\r\n    // TODO(andysoto): standardize on internal asserts\r\n    // assert(!(opt_status && opt_status.finalized));\r\n    var status_ = new ResumableUploadStatus(0, 0);\r\n    if (status) {\r\n        status_.current = status.current;\r\n        status_.total = status.total;\r\n    }\r\n    else {\r\n        status_.current = 0;\r\n        status_.total = blob.size();\r\n    }\r\n    if (blob.size() !== status_.total) {\r\n        throw serverFileWrongSize();\r\n    }\r\n    var bytesLeft = status_.total - status_.current;\r\n    var bytesToUpload = bytesLeft;\r\n    if (chunkSize > 0) {\r\n        bytesToUpload = Math.min(bytesToUpload, chunkSize);\r\n    }\r\n    var startByte = status_.current;\r\n    var endByte = startByte + bytesToUpload;\r\n    var uploadCommand = bytesToUpload === bytesLeft ? 'upload, finalize' : 'upload';\r\n    var headers = {\r\n        'X-Goog-Upload-Command': uploadCommand,\r\n        'X-Goog-Upload-Offset': status_.current\r\n    };\r\n    var body = blob.slice(startByte, endByte);\r\n    if (body === null) {\r\n        throw cannotSliceBlob();\r\n    }\r\n    function handler(xhr, text) {\r\n        // TODO(andysoto): Verify the MD5 of each uploaded range:\r\n        // the 'x-range-md5' header comes back with status code 308 responses.\r\n        // We'll only be able to bail out though, because you can't re-upload a\r\n        // range that you previously uploaded.\r\n        var uploadStatus = checkResumeHeader_(xhr, ['active', 'final']);\r\n        var newCurrent = status_.current + bytesToUpload;\r\n        var size = blob.size();\r\n        var metadata;\r\n        if (uploadStatus === 'final') {\r\n            metadata = metadataHandler(service, mappings)(xhr, text);\r\n        }\r\n        else {\r\n            metadata = null;\r\n        }\r\n        return new ResumableUploadStatus(newCurrent, size, uploadStatus === 'final', metadata);\r\n    }\r\n    var method = 'POST';\r\n    var timeout = service.maxUploadRetryTime;\r\n    var requestInfo = new RequestInfo(url, method, handler, timeout);\r\n    requestInfo.headers = headers;\r\n    requestInfo.body = body.uploadData();\r\n    requestInfo.progressCallback = progressCallback || null;\r\n    requestInfo.errorHandler = sharedErrorHandler(location);\r\n    return requestInfo;\r\n}\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * @struct\r\n */\r\nvar Observer = /** @class */ (function () {\r\n    function Observer(nextOrObserver, error, complete) {\r\n        var asFunctions = isFunction(nextOrObserver) ||\r\n            isDef(error) ||\r\n            isDef(complete);\r\n        if (asFunctions) {\r\n            this.next = nextOrObserver;\r\n            this.error = error || null;\r\n            this.complete = complete || null;\r\n        }\r\n        else {\r\n            var observer = nextOrObserver;\r\n            this.next = observer.next || null;\r\n            this.error = observer.error || null;\r\n            this.complete = observer.complete || null;\r\n        }\r\n    }\r\n    return Observer;\r\n}());\n\nvar UploadTaskSnapshot = /** @class */ (function () {\r\n    function UploadTaskSnapshot(bytesTransferred, totalBytes, state, metadata, task, ref) {\r\n        this.bytesTransferred = bytesTransferred;\r\n        this.totalBytes = totalBytes;\r\n        this.state = state;\r\n        this.metadata = metadata;\r\n        this.task = task;\r\n        this.ref = ref;\r\n    }\r\n    return UploadTaskSnapshot;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * @param name Name of the function.\r\n * @param specs Argument specs.\r\n * @param passed The actual arguments passed to the function.\r\n * @throws {fbs.Error} If the arguments are invalid.\r\n */\r\nfunction validate(name, specs, passed) {\r\n    var minArgs = specs.length;\r\n    var maxArgs = specs.length;\r\n    for (var i = 0; i < specs.length; i++) {\r\n        if (specs[i].optional) {\r\n            minArgs = i;\r\n            break;\r\n        }\r\n    }\r\n    var validLength = minArgs <= passed.length && passed.length <= maxArgs;\r\n    if (!validLength) {\r\n        throw invalidArgumentCount(minArgs, maxArgs, name, passed.length);\r\n    }\r\n    for (var i = 0; i < passed.length; i++) {\r\n        try {\r\n            specs[i].validator(passed[i]);\r\n        }\r\n        catch (e) {\r\n            if (e instanceof Error) {\r\n                throw invalidArgument(i, name, e.message);\r\n            }\r\n            else {\r\n                throw invalidArgument(i, name, e);\r\n            }\r\n        }\r\n    }\r\n}\r\n/**\r\n * @struct\r\n */\r\nvar ArgSpec = /** @class */ (function () {\r\n    function ArgSpec(validator, optional) {\r\n        var self = this;\r\n        this.validator = function (p) {\r\n            if (self.optional && !isJustDef(p)) {\r\n                return;\r\n            }\r\n            validator(p);\r\n        };\r\n        this.optional = !!optional;\r\n    }\r\n    return ArgSpec;\r\n}());\r\nfunction and_(v1, v2) {\r\n    return function (p) {\r\n        v1(p);\r\n        v2(p);\r\n    };\r\n}\r\nfunction stringSpec(validator, optional) {\r\n    function stringValidator(p) {\r\n        if (!isString(p)) {\r\n            throw 'Expected string.';\r\n        }\r\n    }\r\n    var chainedValidator;\r\n    if (validator) {\r\n        chainedValidator = and_(stringValidator, validator);\r\n    }\r\n    else {\r\n        chainedValidator = stringValidator;\r\n    }\r\n    return new ArgSpec(chainedValidator, optional);\r\n}\r\nfunction uploadDataSpec() {\r\n    function validator(p) {\r\n        var valid = p instanceof Uint8Array ||\r\n            p instanceof ArrayBuffer ||\r\n            (isNativeBlobDefined() && p instanceof Blob);\r\n        if (!valid) {\r\n            throw 'Expected Blob or File.';\r\n        }\r\n    }\r\n    return new ArgSpec(validator);\r\n}\r\nfunction metadataSpec(optional) {\r\n    return new ArgSpec(metadataValidator, optional);\r\n}\r\nfunction listOptionSpec(optional) {\r\n    return new ArgSpec(listOptionsValidator, optional);\r\n}\r\nfunction nonNegativeNumberSpec() {\r\n    function validator(p) {\r\n        var valid = isNumber(p) && p >= 0;\r\n        if (!valid) {\r\n            throw 'Expected a number 0 or greater.';\r\n        }\r\n    }\r\n    return new ArgSpec(validator);\r\n}\r\nfunction looseObjectSpec(validator, optional) {\r\n    function isLooseObjectValidator(p) {\r\n        var isLooseObject = p === null || (isDef(p) && p instanceof Object);\r\n        if (!isLooseObject) {\r\n            throw 'Expected an Object.';\r\n        }\r\n        if (validator !== undefined && validator !== null) {\r\n            validator(p);\r\n        }\r\n    }\r\n    return new ArgSpec(isLooseObjectValidator, optional);\r\n}\r\nfunction nullFunctionSpec(optional) {\r\n    function validator(p) {\r\n        var valid = p === null || isFunction(p);\r\n        if (!valid) {\r\n            throw 'Expected a Function.';\r\n        }\r\n    }\r\n    return new ArgSpec(validator, optional);\r\n}\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * Returns a function that invokes f with its arguments asynchronously as a\r\n * microtask, i.e. as soon as possible after the current script returns back\r\n * into browser code.\r\n */\r\n// eslint-disable-next-line @typescript-eslint/ban-types\r\nfunction async(f) {\r\n    return function () {\r\n        var argsToForward = [];\r\n        for (var _i = 0; _i < arguments.length; _i++) {\r\n            argsToForward[_i] = arguments[_i];\r\n        }\r\n        // eslint-disable-next-line @typescript-eslint/no-floating-promises\r\n        Promise.resolve().then(function () { return f.apply(void 0, argsToForward); });\r\n    };\r\n}\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * Represents a blob being uploaded. Can be used to pause/resume/cancel the\r\n * upload and manage callbacks for various events.\r\n */\r\nvar UploadTask = /** @class */ (function () {\r\n    /**\r\n     * @param ref The firebaseStorage.Reference object this task came\r\n     *     from, untyped to avoid cyclic dependencies.\r\n     * @param blob The blob to upload.\r\n     */\r\n    function UploadTask(ref, service, location, mappings, blob, metadata) {\r\n        var _this = this;\r\n        if (metadata === void 0) { metadata = null; }\r\n        this.transferred_ = 0;\r\n        this.needToFetchStatus_ = false;\r\n        this.needToFetchMetadata_ = false;\r\n        this.observers_ = [];\r\n        this.error_ = null;\r\n        this.uploadUrl_ = null;\r\n        this.request_ = null;\r\n        this.chunkMultiplier_ = 1;\r\n        this.resolve_ = null;\r\n        this.reject_ = null;\r\n        this.ref_ = ref;\r\n        this.service_ = service;\r\n        this.location_ = location;\r\n        this.blob_ = blob;\r\n        this.metadata_ = metadata;\r\n        this.mappings_ = mappings;\r\n        this.resumable_ = this.shouldDoResumable_(this.blob_);\r\n        this.state_ = InternalTaskState.RUNNING;\r\n        this.errorHandler_ = function (error) {\r\n            _this.request_ = null;\r\n            _this.chunkMultiplier_ = 1;\r\n            if (error.codeEquals(Code.CANCELED)) {\r\n                _this.needToFetchStatus_ = true;\r\n                _this.completeTransitions_();\r\n            }\r\n            else {\r\n                _this.error_ = error;\r\n                _this.transition_(InternalTaskState.ERROR);\r\n            }\r\n        };\r\n        this.metadataErrorHandler_ = function (error) {\r\n            _this.request_ = null;\r\n            if (error.codeEquals(Code.CANCELED)) {\r\n                _this.completeTransitions_();\r\n            }\r\n            else {\r\n                _this.error_ = error;\r\n                _this.transition_(InternalTaskState.ERROR);\r\n            }\r\n        };\r\n        this.promise_ = new Promise(function (resolve, reject) {\r\n            _this.resolve_ = resolve;\r\n            _this.reject_ = reject;\r\n            _this.start_();\r\n        });\r\n        // Prevent uncaught rejections on the internal promise from bubbling out\r\n        // to the top level with a dummy handler.\r\n        this.promise_.then(null, function () { });\r\n    }\r\n    UploadTask.prototype.makeProgressCallback_ = function () {\r\n        var _this = this;\r\n        var sizeBefore = this.transferred_;\r\n        return function (loaded) { return _this.updateProgress_(sizeBefore + loaded); };\r\n    };\r\n    UploadTask.prototype.shouldDoResumable_ = function (blob) {\r\n        return blob.size() > 256 * 1024;\r\n    };\r\n    UploadTask.prototype.start_ = function () {\r\n        if (this.state_ !== InternalTaskState.RUNNING) {\r\n            // This can happen if someone pauses us in a resume callback, for example.\r\n            return;\r\n        }\r\n        if (this.request_ !== null) {\r\n            return;\r\n        }\r\n        if (this.resumable_) {\r\n            if (this.uploadUrl_ === null) {\r\n                this.createResumable_();\r\n            }\r\n            else {\r\n                if (this.needToFetchStatus_) {\r\n                    this.fetchStatus_();\r\n                }\r\n                else {\r\n                    if (this.needToFetchMetadata_) {\r\n                        // Happens if we miss the metadata on upload completion.\r\n                        this.fetchMetadata_();\r\n                    }\r\n                    else {\r\n                        this.continueUpload_();\r\n                    }\r\n                }\r\n            }\r\n        }\r\n        else {\r\n            this.oneShotUpload_();\r\n        }\r\n    };\r\n    UploadTask.prototype.resolveToken_ = function (callback) {\r\n        var _this = this;\r\n        // eslint-disable-next-line @typescript-eslint/no-floating-promises\r\n        this.service_.getAuthToken().then(function (authToken) {\r\n            switch (_this.state_) {\r\n                case InternalTaskState.RUNNING:\r\n                    callback(authToken);\r\n                    break;\r\n                case InternalTaskState.CANCELING:\r\n                    _this.transition_(InternalTaskState.CANCELED);\r\n                    break;\r\n                case InternalTaskState.PAUSING:\r\n                    _this.transition_(InternalTaskState.PAUSED);\r\n                    break;\r\n            }\r\n        });\r\n    };\r\n    // TODO(andysoto): assert false\r\n    UploadTask.prototype.createResumable_ = function () {\r\n        var _this = this;\r\n        this.resolveToken_(function (authToken) {\r\n            var requestInfo = createResumableUpload(_this.service_, _this.location_, _this.mappings_, _this.blob_, _this.metadata_);\r\n            var createRequest = _this.service_.makeRequest(requestInfo, authToken);\r\n            _this.request_ = createRequest;\r\n            createRequest.getPromise().then(function (url) {\r\n                _this.request_ = null;\r\n                _this.uploadUrl_ = url;\r\n                _this.needToFetchStatus_ = false;\r\n                _this.completeTransitions_();\r\n            }, _this.errorHandler_);\r\n        });\r\n    };\r\n    UploadTask.prototype.fetchStatus_ = function () {\r\n        var _this = this;\r\n        // TODO(andysoto): assert(this.uploadUrl_ !== null);\r\n        var url = this.uploadUrl_;\r\n        this.resolveToken_(function (authToken) {\r\n            var requestInfo = getResumableUploadStatus(_this.service_, _this.location_, url, _this.blob_);\r\n            var statusRequest = _this.service_.makeRequest(requestInfo, authToken);\r\n            _this.request_ = statusRequest;\r\n            statusRequest.getPromise().then(function (status) {\r\n                status = status;\r\n                _this.request_ = null;\r\n                _this.updateProgress_(status.current);\r\n                _this.needToFetchStatus_ = false;\r\n                if (status.finalized) {\r\n                    _this.needToFetchMetadata_ = true;\r\n                }\r\n                _this.completeTransitions_();\r\n            }, _this.errorHandler_);\r\n        });\r\n    };\r\n    UploadTask.prototype.continueUpload_ = function () {\r\n        var _this = this;\r\n        var chunkSize = resumableUploadChunkSize * this.chunkMultiplier_;\r\n        var status = new ResumableUploadStatus(this.transferred_, this.blob_.size());\r\n        // TODO(andysoto): assert(this.uploadUrl_ !== null);\r\n        var url = this.uploadUrl_;\r\n        this.resolveToken_(function (authToken) {\r\n            var requestInfo;\r\n            try {\r\n                requestInfo = continueResumableUpload(_this.location_, _this.service_, url, _this.blob_, chunkSize, _this.mappings_, status, _this.makeProgressCallback_());\r\n            }\r\n            catch (e) {\r\n                _this.error_ = e;\r\n                _this.transition_(InternalTaskState.ERROR);\r\n                return;\r\n            }\r\n            var uploadRequest = _this.service_.makeRequest(requestInfo, authToken);\r\n            _this.request_ = uploadRequest;\r\n            uploadRequest\r\n                .getPromise()\r\n                .then(function (newStatus) {\r\n                _this.increaseMultiplier_();\r\n                _this.request_ = null;\r\n                _this.updateProgress_(newStatus.current);\r\n                if (newStatus.finalized) {\r\n                    _this.metadata_ = newStatus.metadata;\r\n                    _this.transition_(InternalTaskState.SUCCESS);\r\n                }\r\n                else {\r\n                    _this.completeTransitions_();\r\n                }\r\n            }, _this.errorHandler_);\r\n        });\r\n    };\r\n    UploadTask.prototype.increaseMultiplier_ = function () {\r\n        var currentSize = resumableUploadChunkSize * this.chunkMultiplier_;\r\n        // Max chunk size is 32M.\r\n        if (currentSize < 32 * 1024 * 1024) {\r\n            this.chunkMultiplier_ *= 2;\r\n        }\r\n    };\r\n    UploadTask.prototype.fetchMetadata_ = function () {\r\n        var _this = this;\r\n        this.resolveToken_(function (authToken) {\r\n            var requestInfo = getMetadata(_this.service_, _this.location_, _this.mappings_);\r\n            var metadataRequest = _this.service_.makeRequest(requestInfo, authToken);\r\n            _this.request_ = metadataRequest;\r\n            metadataRequest.getPromise().then(function (metadata) {\r\n                _this.request_ = null;\r\n                _this.metadata_ = metadata;\r\n                _this.transition_(InternalTaskState.SUCCESS);\r\n            }, _this.metadataErrorHandler_);\r\n        });\r\n    };\r\n    UploadTask.prototype.oneShotUpload_ = function () {\r\n        var _this = this;\r\n        this.resolveToken_(function (authToken) {\r\n            var requestInfo = multipartUpload(_this.service_, _this.location_, _this.mappings_, _this.blob_, _this.metadata_);\r\n            var multipartRequest = _this.service_.makeRequest(requestInfo, authToken);\r\n            _this.request_ = multipartRequest;\r\n            multipartRequest.getPromise().then(function (metadata) {\r\n                _this.request_ = null;\r\n                _this.metadata_ = metadata;\r\n                _this.updateProgress_(_this.blob_.size());\r\n                _this.transition_(InternalTaskState.SUCCESS);\r\n            }, _this.errorHandler_);\r\n        });\r\n    };\r\n    UploadTask.prototype.updateProgress_ = function (transferred) {\r\n        var old = this.transferred_;\r\n        this.transferred_ = transferred;\r\n        // A progress update can make the \"transferred\" value smaller (e.g. a\r\n        // partial upload not completed by server, after which the \"transferred\"\r\n        // value may reset to the value at the beginning of the request).\r\n        if (this.transferred_ !== old) {\r\n            this.notifyObservers_();\r\n        }\r\n    };\r\n    UploadTask.prototype.transition_ = function (state) {\r\n        if (this.state_ === state) {\r\n            return;\r\n        }\r\n        switch (state) {\r\n            case InternalTaskState.CANCELING:\r\n                // TODO(andysoto):\r\n                // assert(this.state_ === InternalTaskState.RUNNING ||\r\n                //        this.state_ === InternalTaskState.PAUSING);\r\n                this.state_ = state;\r\n                if (this.request_ !== null) {\r\n                    this.request_.cancel();\r\n                }\r\n                break;\r\n            case InternalTaskState.PAUSING:\r\n                // TODO(andysoto):\r\n                // assert(this.state_ === InternalTaskState.RUNNING);\r\n                this.state_ = state;\r\n                if (this.request_ !== null) {\r\n                    this.request_.cancel();\r\n                }\r\n                break;\r\n            case InternalTaskState.RUNNING:\r\n                // TODO(andysoto):\r\n                // assert(this.state_ === InternalTaskState.PAUSED ||\r\n                //        this.state_ === InternalTaskState.PAUSING);\r\n                var wasPaused = this.state_ === InternalTaskState.PAUSED;\r\n                this.state_ = state;\r\n                if (wasPaused) {\r\n                    this.notifyObservers_();\r\n                    this.start_();\r\n                }\r\n                break;\r\n            case InternalTaskState.PAUSED:\r\n                // TODO(andysoto):\r\n                // assert(this.state_ === InternalTaskState.PAUSING);\r\n                this.state_ = state;\r\n                this.notifyObservers_();\r\n                break;\r\n            case InternalTaskState.CANCELED:\r\n                // TODO(andysoto):\r\n                // assert(this.state_ === InternalTaskState.PAUSED ||\r\n                //        this.state_ === InternalTaskState.CANCELING);\r\n                this.error_ = canceled();\r\n                this.state_ = state;\r\n                this.notifyObservers_();\r\n                break;\r\n            case InternalTaskState.ERROR:\r\n                // TODO(andysoto):\r\n                // assert(this.state_ === InternalTaskState.RUNNING ||\r\n                //        this.state_ === InternalTaskState.PAUSING ||\r\n                //        this.state_ === InternalTaskState.CANCELING);\r\n                this.state_ = state;\r\n                this.notifyObservers_();\r\n                break;\r\n            case InternalTaskState.SUCCESS:\r\n                // TODO(andysoto):\r\n                // assert(this.state_ === InternalTaskState.RUNNING ||\r\n                //        this.state_ === InternalTaskState.PAUSING ||\r\n                //        this.state_ === InternalTaskState.CANCELING);\r\n                this.state_ = state;\r\n                this.notifyObservers_();\r\n                break;\r\n        }\r\n    };\r\n    UploadTask.prototype.completeTransitions_ = function () {\r\n        switch (this.state_) {\r\n            case InternalTaskState.PAUSING:\r\n                this.transition_(InternalTaskState.PAUSED);\r\n                break;\r\n            case InternalTaskState.CANCELING:\r\n                this.transition_(InternalTaskState.CANCELED);\r\n                break;\r\n            case InternalTaskState.RUNNING:\r\n                this.start_();\r\n                break;\r\n        }\r\n    };\r\n    Object.defineProperty(UploadTask.prototype, \"snapshot\", {\r\n        get: function () {\r\n            var externalState = taskStateFromInternalTaskState(this.state_);\r\n            return new UploadTaskSnapshot(this.transferred_, this.blob_.size(), externalState, this.metadata_, this, this.ref_);\r\n        },\r\n        enumerable: false,\r\n        configurable: true\r\n    });\r\n    /**\r\n     * Adds a callback for an event.\r\n     * @param type The type of event to listen for.\r\n     */\r\n    UploadTask.prototype.on = function (type, nextOrObserver, error, completed) {\r\n        function typeValidator() {\r\n            if (type !== TaskEvent.STATE_CHANGED) {\r\n                throw \"Expected one of the event types: [\" + TaskEvent.STATE_CHANGED + \"].\";\r\n            }\r\n        }\r\n        var nextOrObserverMessage = 'Expected a function or an Object with one of ' +\r\n            '`next`, `error`, `complete` properties.';\r\n        var nextValidator = nullFunctionSpec(true).validator;\r\n        var observerValidator = looseObjectSpec(null, true).validator;\r\n        // eslint-disable-next-line @typescript-eslint/no-explicit-any\r\n        function nextOrObserverValidator(p) {\r\n            try {\r\n                nextValidator(p);\r\n                return;\r\n            }\r\n            catch (e) { }\r\n            try {\r\n                observerValidator(p);\r\n                var anyDefined = isJustDef(p['next']) ||\r\n                    isJustDef(p['error']) ||\r\n                    isJustDef(p['complete']);\r\n                if (!anyDefined) {\r\n                    throw '';\r\n                }\r\n                return;\r\n            }\r\n            catch (e) {\r\n                throw nextOrObserverMessage;\r\n            }\r\n        }\r\n        var specs = [\r\n            stringSpec(typeValidator),\r\n            looseObjectSpec(nextOrObserverValidator, true),\r\n            nullFunctionSpec(true),\r\n            nullFunctionSpec(true)\r\n        ];\r\n        validate('on', specs, arguments);\r\n        var self = this;\r\n        function makeBinder(specs) {\r\n            function binder(nextOrObserver, error, complete) {\r\n                if (specs !== null) {\r\n                    validate('on', specs, arguments);\r\n                }\r\n                var observer = new Observer(nextOrObserver, error, completed);\r\n                self.addObserver_(observer);\r\n                return function () {\r\n                    self.removeObserver_(observer);\r\n                };\r\n            }\r\n            return binder;\r\n        }\r\n        function binderNextOrObserverValidator(p) {\r\n            if (p === null) {\r\n                throw nextOrObserverMessage;\r\n            }\r\n            nextOrObserverValidator(p);\r\n        }\r\n        var binderSpecs = [\r\n            looseObjectSpec(binderNextOrObserverValidator),\r\n            nullFunctionSpec(true),\r\n            nullFunctionSpec(true)\r\n        ];\r\n        var typeOnly = !(isJustDef(nextOrObserver) ||\r\n            isJustDef(error) ||\r\n            isJustDef(completed));\r\n        if (typeOnly) {\r\n            return makeBinder(binderSpecs);\r\n        }\r\n        else {\r\n            return makeBinder(null)(nextOrObserver, error, completed);\r\n        }\r\n    };\r\n    /**\r\n     * This object behaves like a Promise, and resolves with its snapshot data\r\n     * when the upload completes.\r\n     * @param onFulfilled The fulfillment callback. Promise chaining works as normal.\r\n     * @param onRejected The rejection callback.\r\n     */\r\n    UploadTask.prototype.then = function (onFulfilled, onRejected) {\r\n        // These casts are needed so that TypeScript can infer the types of the\r\n        // resulting Promise.\r\n        return this.promise_.then(onFulfilled, onRejected);\r\n    };\r\n    /**\r\n     * Equivalent to calling `then(null, onRejected)`.\r\n     */\r\n    UploadTask.prototype.catch = function (onRejected) {\r\n        return this.then(null, onRejected);\r\n    };\r\n    /**\r\n     * Adds the given observer.\r\n     */\r\n    UploadTask.prototype.addObserver_ = function (observer) {\r\n        this.observers_.push(observer);\r\n        this.notifyObserver_(observer);\r\n    };\r\n    /**\r\n     * Removes the given observer.\r\n     */\r\n    UploadTask.prototype.removeObserver_ = function (observer) {\r\n        var i = this.observers_.indexOf(observer);\r\n        if (i !== -1) {\r\n            this.observers_.splice(i, 1);\r\n        }\r\n    };\r\n    UploadTask.prototype.notifyObservers_ = function () {\r\n        var _this = this;\r\n        this.finishPromise_();\r\n        var observers = this.observers_.slice();\r\n        observers.forEach(function (observer) {\r\n            _this.notifyObserver_(observer);\r\n        });\r\n    };\r\n    UploadTask.prototype.finishPromise_ = function () {\r\n        if (this.resolve_ !== null) {\r\n            var triggered = true;\r\n            switch (taskStateFromInternalTaskState(this.state_)) {\r\n                case TaskState.SUCCESS:\r\n                    async(this.resolve_.bind(null, this.snapshot))();\r\n                    break;\r\n                case TaskState.CANCELED:\r\n                case TaskState.ERROR:\r\n                    var toCall = this.reject_;\r\n                    async(toCall.bind(null, this.error_))();\r\n                    break;\r\n                default:\r\n                    triggered = false;\r\n                    break;\r\n            }\r\n            if (triggered) {\r\n                this.resolve_ = null;\r\n                this.reject_ = null;\r\n            }\r\n        }\r\n    };\r\n    UploadTask.prototype.notifyObserver_ = function (observer) {\r\n        var externalState = taskStateFromInternalTaskState(this.state_);\r\n        switch (externalState) {\r\n            case TaskState.RUNNING:\r\n            case TaskState.PAUSED:\r\n                if (observer.next) {\r\n                    async(observer.next.bind(observer, this.snapshot))();\r\n                }\r\n                break;\r\n            case TaskState.SUCCESS:\r\n                if (observer.complete) {\r\n                    async(observer.complete.bind(observer))();\r\n                }\r\n                break;\r\n            case TaskState.CANCELED:\r\n            case TaskState.ERROR:\r\n                if (observer.error) {\r\n                    async(observer.error.bind(observer, this.error_))();\r\n                }\r\n                break;\r\n            default:\r\n                // TODO(andysoto): assert(false);\r\n                if (observer.error) {\r\n                    async(observer.error.bind(observer, this.error_))();\r\n                }\r\n        }\r\n    };\r\n    /**\r\n     * Resumes a paused task. Has no effect on a currently running or failed task.\r\n     * @return True if the operation took effect, false if ignored.\r\n     */\r\n    UploadTask.prototype.resume = function () {\r\n        validate('resume', [], arguments);\r\n        var valid = this.state_ === InternalTaskState.PAUSED ||\r\n            this.state_ === InternalTaskState.PAUSING;\r\n        if (valid) {\r\n            this.transition_(InternalTaskState.RUNNING);\r\n        }\r\n        return valid;\r\n    };\r\n    /**\r\n     * Pauses a currently running task. Has no effect on a paused or failed task.\r\n     * @return True if the operation took effect, false if ignored.\r\n     */\r\n    UploadTask.prototype.pause = function () {\r\n        validate('pause', [], arguments);\r\n        var valid = this.state_ === InternalTaskState.RUNNING;\r\n        if (valid) {\r\n            this.transition_(InternalTaskState.PAUSING);\r\n        }\r\n        return valid;\r\n    };\r\n    /**\r\n     * Cancels a currently running or paused task. Has no effect on a complete or\r\n     * failed task.\r\n     * @return True if the operation took effect, false if ignored.\r\n     */\r\n    UploadTask.prototype.cancel = function () {\r\n        validate('cancel', [], arguments);\r\n        var valid = this.state_ === InternalTaskState.RUNNING ||\r\n            this.state_ === InternalTaskState.PAUSING;\r\n        if (valid) {\r\n            this.transition_(InternalTaskState.CANCELING);\r\n        }\r\n        return valid;\r\n    };\r\n    return UploadTask;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * Provides methods to interact with a bucket in the Firebase Storage service.\r\n * @param location An fbs.location, or the URL at\r\n *     which to base this object, in one of the following forms:\r\n *         gs://<bucket>/<object-path>\r\n *         http[s]://firebasestorage.googleapis.com/\r\n *                     <api-version>/b/<bucket>/o/<object-path>\r\n *     Any query or fragment strings will be ignored in the http[s]\r\n *     format. If no value is passed, the storage object will use a URL based on\r\n *     the project ID of the base firebase.App instance.\r\n */\r\nvar Reference = /** @class */ (function () {\r\n    function Reference(service, location) {\r\n        this.service = service;\r\n        if (location instanceof Location) {\r\n            this.location = location;\r\n        }\r\n        else {\r\n            this.location = Location.makeFromUrl(location);\r\n        }\r\n    }\r\n    /**\r\n     * @return The URL for the bucket and path this object references,\r\n     *     in the form gs://<bucket>/<object-path>\r\n     * @override\r\n     */\r\n    Reference.prototype.toString = function () {\r\n        validate('toString', [], arguments);\r\n        return 'gs://' + this.location.bucket + '/' + this.location.path;\r\n    };\r\n    Reference.prototype.newRef = function (service, location) {\r\n        return new Reference(service, location);\r\n    };\r\n    Reference.prototype.mappings = function () {\r\n        return getMappings();\r\n    };\r\n    /**\r\n     * @return A reference to the object obtained by\r\n     *     appending childPath, removing any duplicate, beginning, or trailing\r\n     *     slashes.\r\n     */\r\n    Reference.prototype.child = function (childPath) {\r\n        validate('child', [stringSpec()], arguments);\r\n        var newPath = child(this.location.path, childPath);\r\n        var location = new Location(this.location.bucket, newPath);\r\n        return this.newRef(this.service, location);\r\n    };\r\n    Object.defineProperty(Reference.prototype, \"parent\", {\r\n        /**\r\n         * @return A reference to the parent of the\r\n         *     current object, or null if the current object is the root.\r\n         */\r\n        get: function () {\r\n            var newPath = parent(this.location.path);\r\n            if (newPath === null) {\r\n                return null;\r\n            }\r\n            var location = new Location(this.location.bucket, newPath);\r\n            return this.newRef(this.service, location);\r\n        },\r\n        enumerable: false,\r\n        configurable: true\r\n    });\r\n    Object.defineProperty(Reference.prototype, \"root\", {\r\n        /**\r\n         * @return An reference to the root of this\r\n         *     object's bucket.\r\n         */\r\n        get: function () {\r\n            var location = new Location(this.location.bucket, '');\r\n            return this.newRef(this.service, location);\r\n        },\r\n        enumerable: false,\r\n        configurable: true\r\n    });\r\n    Object.defineProperty(Reference.prototype, \"bucket\", {\r\n        get: function () {\r\n            return this.location.bucket;\r\n        },\r\n        enumerable: false,\r\n        configurable: true\r\n    });\r\n    Object.defineProperty(Reference.prototype, \"fullPath\", {\r\n        get: function () {\r\n            return this.location.path;\r\n        },\r\n        enumerable: false,\r\n        configurable: true\r\n    });\r\n    Object.defineProperty(Reference.prototype, \"name\", {\r\n        get: function () {\r\n            return lastComponent(this.location.path);\r\n        },\r\n        enumerable: false,\r\n        configurable: true\r\n    });\r\n    Object.defineProperty(Reference.prototype, \"storage\", {\r\n        get: function () {\r\n            return this.service;\r\n        },\r\n        enumerable: false,\r\n        configurable: true\r\n    });\r\n    /**\r\n     * Uploads a blob to this object's location.\r\n     * @param data The blob to upload.\r\n     * @return An UploadTask that lets you control and\r\n     *     observe the upload.\r\n     */\r\n    Reference.prototype.put = function (data, metadata) {\r\n        if (metadata === void 0) { metadata = null; }\r\n        validate('put', [uploadDataSpec(), metadataSpec(true)], arguments);\r\n        this.throwIfRoot_('put');\r\n        return new UploadTask(this, this.service, this.location, this.mappings(), new FbsBlob(data), metadata);\r\n    };\r\n    /**\r\n     * Uploads a string to this object's location.\r\n     * @param value The string to upload.\r\n     * @param format The format of the string to upload.\r\n     * @return An UploadTask that lets you control and\r\n     *     observe the upload.\r\n     */\r\n    Reference.prototype.putString = function (value, format, metadata) {\r\n        if (format === void 0) { format = StringFormat.RAW; }\r\n        validate('putString', [stringSpec(), stringSpec(formatValidator, true), metadataSpec(true)], arguments);\r\n        this.throwIfRoot_('putString');\r\n        var data = dataFromString(format, value);\r\n        var metadataClone = Object.assign({}, metadata);\r\n        if (!isDef(metadataClone['contentType']) &&\r\n            isDef(data.contentType)) {\r\n            metadataClone['contentType'] = data.contentType;\r\n        }\r\n        return new UploadTask(this, this.service, this.location, this.mappings(), new FbsBlob(data.data, true), metadataClone);\r\n    };\r\n    /**\r\n     * Deletes the object at this location.\r\n     * @return A promise that resolves if the deletion succeeds.\r\n     */\r\n    Reference.prototype.delete = function () {\r\n        var _this = this;\r\n        validate('delete', [], arguments);\r\n        this.throwIfRoot_('delete');\r\n        return this.service.getAuthToken().then(function (authToken) {\r\n            var requestInfo = deleteObject(_this.service, _this.location);\r\n            return _this.service.makeRequest(requestInfo, authToken).getPromise();\r\n        });\r\n    };\r\n    /**\r\n     * List all items (files) and prefixes (folders) under this storage reference.\r\n     *\r\n     * This is a helper method for calling list() repeatedly until there are\r\n     * no more results. The default pagination size is 1000.\r\n     *\r\n     * Note: The results may not be consistent if objects are changed while this\r\n     * operation is running.\r\n     *\r\n     * Warning: listAll may potentially consume too many resources if there are\r\n     * too many results.\r\n     *\r\n     * @return A Promise that resolves with all the items and prefixes under\r\n     *      the current storage reference. `prefixes` contains references to\r\n     *      sub-directories and `items` contains references to objects in this\r\n     *      folder. `nextPageToken` is never returned.\r\n     */\r\n    Reference.prototype.listAll = function () {\r\n        validate('listAll', [], arguments);\r\n        var accumulator = {\r\n            prefixes: [],\r\n            items: []\r\n        };\r\n        return this.listAllHelper(accumulator).then(function () { return accumulator; });\r\n    };\r\n    Reference.prototype.listAllHelper = function (accumulator, pageToken) {\r\n        return Object(tslib__WEBPACK_IMPORTED_MODULE_1__[\"__awaiter\"])(this, void 0, void 0, function () {\r\n            var opt, nextPage;\r\n            var _a, _b;\r\n            return Object(tslib__WEBPACK_IMPORTED_MODULE_1__[\"__generator\"])(this, function (_c) {\r\n                switch (_c.label) {\r\n                    case 0:\r\n                        opt = {\r\n                            // maxResults is 1000 by default.\r\n                            pageToken: pageToken\r\n                        };\r\n                        return [4 /*yield*/, this.list(opt)];\r\n                    case 1:\r\n                        nextPage = _c.sent();\r\n                        (_a = accumulator.prefixes).push.apply(_a, nextPage.prefixes);\r\n                        (_b = accumulator.items).push.apply(_b, nextPage.items);\r\n                        if (!(nextPage.nextPageToken != null)) return [3 /*break*/, 3];\r\n                        return [4 /*yield*/, this.listAllHelper(accumulator, nextPage.nextPageToken)];\r\n                    case 2:\r\n                        _c.sent();\r\n                        _c.label = 3;\r\n                    case 3: return [2 /*return*/];\r\n                }\r\n            });\r\n        });\r\n    };\r\n    /**\r\n     * List items (files) and prefixes (folders) under this storage reference.\r\n     *\r\n     * List API is only available for Firebase Rules Version 2.\r\n     *\r\n     * GCS is a key-blob store. Firebase Storage imposes the semantic of '/'\r\n     * delimited folder structure.\r\n     * Refer to GCS's List API if you want to learn more.\r\n     *\r\n     * To adhere to Firebase Rules's Semantics, Firebase Storage does not\r\n     * support objects whose paths end with \"/\" or contain two consecutive\r\n     * \"/\"s. Firebase Storage List API will filter these unsupported objects.\r\n     * list() may fail if there are too many unsupported objects in the bucket.\r\n     *\r\n     * @param options See ListOptions for details.\r\n     * @return A Promise that resolves with the items and prefixes.\r\n     *      `prefixes` contains references to sub-folders and `items`\r\n     *      contains references to objects in this folder. `nextPageToken`\r\n     *      can be used to get the rest of the results.\r\n     */\r\n    Reference.prototype.list = function (options) {\r\n        validate('list', [listOptionSpec(true)], arguments);\r\n        var self = this;\r\n        return this.service.getAuthToken().then(function (authToken) {\r\n            var op = options || {};\r\n            var requestInfo = list(self.service, self.location, \r\n            /*delimiter= */ '/', op.pageToken, op.maxResults);\r\n            return self.service.makeRequest(requestInfo, authToken).getPromise();\r\n        });\r\n    };\r\n    /**\r\n     *     A promise that resolves with the metadata for this object. If this\r\n     *     object doesn't exist or metadata cannot be retreived, the promise is\r\n     *     rejected.\r\n     */\r\n    Reference.prototype.getMetadata = function () {\r\n        var _this = this;\r\n        validate('getMetadata', [], arguments);\r\n        this.throwIfRoot_('getMetadata');\r\n        return this.service.getAuthToken().then(function (authToken) {\r\n            var requestInfo = getMetadata(_this.service, _this.location, _this.mappings());\r\n            return _this.service.makeRequest(requestInfo, authToken).getPromise();\r\n        });\r\n    };\r\n    /**\r\n     * Updates the metadata for this object.\r\n     * @param metadata The new metadata for the object.\r\n     *     Only values that have been explicitly set will be changed. Explicitly\r\n     *     setting a value to null will remove the metadata.\r\n     * @return A promise that resolves\r\n     *     with the new metadata for this object.\r\n     *     @see firebaseStorage.Reference.prototype.getMetadata\r\n     */\r\n    Reference.prototype.updateMetadata = function (metadata) {\r\n        var _this = this;\r\n        validate('updateMetadata', [metadataSpec()], arguments);\r\n        this.throwIfRoot_('updateMetadata');\r\n        return this.service.getAuthToken().then(function (authToken) {\r\n            var requestInfo = updateMetadata(_this.service, _this.location, metadata, _this.mappings());\r\n            return _this.service.makeRequest(requestInfo, authToken).getPromise();\r\n        });\r\n    };\r\n    /**\r\n     * @return A promise that resolves with the download\r\n     *     URL for this object.\r\n     */\r\n    Reference.prototype.getDownloadURL = function () {\r\n        var _this = this;\r\n        validate('getDownloadURL', [], arguments);\r\n        this.throwIfRoot_('getDownloadURL');\r\n        return this.service.getAuthToken().then(function (authToken) {\r\n            var requestInfo = getDownloadUrl(_this.service, _this.location, _this.mappings());\r\n            return _this.service\r\n                .makeRequest(requestInfo, authToken)\r\n                .getPromise()\r\n                .then(function (url) {\r\n                if (url === null) {\r\n                    throw noDownloadURL();\r\n                }\r\n                return url;\r\n            });\r\n        });\r\n    };\r\n    Reference.prototype.throwIfRoot_ = function (name) {\r\n        if (this.location.path === '') {\r\n            throw invalidRootOperation(name);\r\n        }\r\n    };\r\n    return Reference;\r\n}());\n\n/**\r\n * A request whose promise always fails.\r\n * @struct\r\n * @template T\r\n */\r\nvar FailRequest = /** @class */ (function () {\r\n    function FailRequest(error) {\r\n        this.promise_ = Promise.reject(error);\r\n    }\r\n    /** @inheritDoc */\r\n    FailRequest.prototype.getPromise = function () {\r\n        return this.promise_;\r\n    };\r\n    /** @inheritDoc */\r\n    FailRequest.prototype.cancel = function (_appDelete) {\r\n    };\r\n    return FailRequest;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * @param f May be invoked\r\n *     before the function returns.\r\n * @param callback Get all the arguments passed to the function\r\n *     passed to f, including the initial boolean.\r\n */\r\nfunction start(f, \r\n// eslint-disable-next-line @typescript-eslint/no-explicit-any\r\ncallback, timeout) {\r\n    // TODO(andysoto): make this code cleaner (probably refactor into an actual\r\n    // type instead of a bunch of functions with state shared in the closure)\r\n    var waitSeconds = 1;\r\n    // Would type this as \"number\" but that doesn't work for Node so ¯\\_(ツ)_/¯\r\n    // TODO: find a way to exclude Node type definition for storage because storage only works in browser\r\n    // eslint-disable-next-line @typescript-eslint/no-explicit-any\r\n    var timeoutId = null;\r\n    var hitTimeout = false;\r\n    var cancelState = 0;\r\n    function canceled() {\r\n        return cancelState === 2;\r\n    }\r\n    var triggeredCallback = false;\r\n    // TODO: This disable can be removed and the 'ignoreRestArgs' option added to\r\n    // the no-explicit-any rule when ESlint releases it.\r\n    // eslint-disable-next-line @typescript-eslint/no-explicit-any\r\n    function triggerCallback() {\r\n        var args = [];\r\n        for (var _i = 0; _i < arguments.length; _i++) {\r\n            args[_i] = arguments[_i];\r\n        }\r\n        if (!triggeredCallback) {\r\n            triggeredCallback = true;\r\n            callback.apply(null, args);\r\n        }\r\n    }\r\n    function callWithDelay(millis) {\r\n        timeoutId = setTimeout(function () {\r\n            timeoutId = null;\r\n            f(handler, canceled());\r\n        }, millis);\r\n    }\r\n    // TODO: This disable can be removed and the 'ignoreRestArgs' option added to\r\n    // the no-explicit-any rule when ESlint releases it.\r\n    // eslint-disable-next-line @typescript-eslint/no-explicit-any\r\n    function handler(success) {\r\n        var args = [];\r\n        for (var _i = 1; _i < arguments.length; _i++) {\r\n            args[_i - 1] = arguments[_i];\r\n        }\r\n        if (triggeredCallback) {\r\n            return;\r\n        }\r\n        if (success) {\r\n            triggerCallback.call.apply(triggerCallback, Object(tslib__WEBPACK_IMPORTED_MODULE_1__[\"__spreadArrays\"])([null, success], args));\r\n            return;\r\n        }\r\n        var mustStop = canceled() || hitTimeout;\r\n        if (mustStop) {\r\n            triggerCallback.call.apply(triggerCallback, Object(tslib__WEBPACK_IMPORTED_MODULE_1__[\"__spreadArrays\"])([null, success], args));\r\n            return;\r\n        }\r\n        if (waitSeconds < 64) {\r\n            /* TODO(andysoto): don't back off so quickly if we know we're offline. */\r\n            waitSeconds *= 2;\r\n        }\r\n        var waitMillis;\r\n        if (cancelState === 1) {\r\n            cancelState = 2;\r\n            waitMillis = 0;\r\n        }\r\n        else {\r\n            waitMillis = (waitSeconds + Math.random()) * 1000;\r\n        }\r\n        callWithDelay(waitMillis);\r\n    }\r\n    var stopped = false;\r\n    function stop(wasTimeout) {\r\n        if (stopped) {\r\n            return;\r\n        }\r\n        stopped = true;\r\n        if (triggeredCallback) {\r\n            return;\r\n        }\r\n        if (timeoutId !== null) {\r\n            if (!wasTimeout) {\r\n                cancelState = 2;\r\n            }\r\n            clearTimeout(timeoutId);\r\n            callWithDelay(0);\r\n        }\r\n        else {\r\n            if (!wasTimeout) {\r\n                cancelState = 1;\r\n            }\r\n        }\r\n    }\r\n    callWithDelay(0);\r\n    setTimeout(function () {\r\n        hitTimeout = true;\r\n        stop(true);\r\n    }, timeout);\r\n    return stop;\r\n}\r\n/**\r\n * Stops the retry loop from repeating.\r\n * If the function is currently \"in between\" retries, it is invoked immediately\r\n * with the second parameter as \"true\". Otherwise, it will be invoked once more\r\n * after the current invocation finishes iff the current invocation would have\r\n * triggered another retry.\r\n */\r\nfunction stop(id) {\r\n    id(false);\r\n}\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * @struct\r\n * @template T\r\n */\r\nvar NetworkRequest = /** @class */ (function () {\r\n    function NetworkRequest(url, method, headers, body, successCodes, additionalRetryCodes, callback, errorCallback, timeout, progressCallback, pool) {\r\n        var _this = this;\r\n        this.pendingXhr_ = null;\r\n        this.backoffId_ = null;\r\n        this.canceled_ = false;\r\n        this.appDelete_ = false;\r\n        this.url_ = url;\r\n        this.method_ = method;\r\n        this.headers_ = headers;\r\n        this.body_ = body;\r\n        this.successCodes_ = successCodes.slice();\r\n        this.additionalRetryCodes_ = additionalRetryCodes.slice();\r\n        this.callback_ = callback;\r\n        this.errorCallback_ = errorCallback;\r\n        this.progressCallback_ = progressCallback;\r\n        this.timeout_ = timeout;\r\n        this.pool_ = pool;\r\n        this.promise_ = new Promise(function (resolve, reject) {\r\n            _this.resolve_ = resolve;\r\n            _this.reject_ = reject;\r\n            _this.start_();\r\n        });\r\n    }\r\n    /**\r\n     * Actually starts the retry loop.\r\n     */\r\n    NetworkRequest.prototype.start_ = function () {\r\n        var self = this;\r\n        function doTheRequest(backoffCallback, canceled) {\r\n            if (canceled) {\r\n                backoffCallback(false, new RequestEndStatus(false, null, true));\r\n                return;\r\n            }\r\n            var xhr = self.pool_.createXhrIo();\r\n            self.pendingXhr_ = xhr;\r\n            function progressListener(progressEvent) {\r\n                var loaded = progressEvent.loaded;\r\n                var total = progressEvent.lengthComputable ? progressEvent.total : -1;\r\n                if (self.progressCallback_ !== null) {\r\n                    self.progressCallback_(loaded, total);\r\n                }\r\n            }\r\n            if (self.progressCallback_ !== null) {\r\n                xhr.addUploadProgressListener(progressListener);\r\n            }\r\n            // eslint-disable-next-line @typescript-eslint/no-floating-promises\r\n            xhr\r\n                .send(self.url_, self.method_, self.body_, self.headers_)\r\n                .then(function (xhr) {\r\n                if (self.progressCallback_ !== null) {\r\n                    xhr.removeUploadProgressListener(progressListener);\r\n                }\r\n                self.pendingXhr_ = null;\r\n                xhr = xhr;\r\n                var hitServer = xhr.getErrorCode() === ErrorCode.NO_ERROR;\r\n                var status = xhr.getStatus();\r\n                if (!hitServer || self.isRetryStatusCode_(status)) {\r\n                    var wasCanceled = xhr.getErrorCode() === ErrorCode.ABORT;\r\n                    backoffCallback(false, new RequestEndStatus(false, null, wasCanceled));\r\n                    return;\r\n                }\r\n                var successCode = self.successCodes_.indexOf(status) !== -1;\r\n                backoffCallback(true, new RequestEndStatus(successCode, xhr));\r\n            });\r\n        }\r\n        /**\r\n         * @param requestWentThrough True if the request eventually went\r\n         *     through, false if it hit the retry limit or was canceled.\r\n         */\r\n        function backoffDone(requestWentThrough, status) {\r\n            var resolve = self.resolve_;\r\n            var reject = self.reject_;\r\n            var xhr = status.xhr;\r\n            if (status.wasSuccessCode) {\r\n                try {\r\n                    var result = self.callback_(xhr, xhr.getResponseText());\r\n                    if (isJustDef(result)) {\r\n                        resolve(result);\r\n                    }\r\n                    else {\r\n                        resolve();\r\n                    }\r\n                }\r\n                catch (e) {\r\n                    reject(e);\r\n                }\r\n            }\r\n            else {\r\n                if (xhr !== null) {\r\n                    var err = unknown();\r\n                    err.setServerResponseProp(xhr.getResponseText());\r\n                    if (self.errorCallback_) {\r\n                        reject(self.errorCallback_(xhr, err));\r\n                    }\r\n                    else {\r\n                        reject(err);\r\n                    }\r\n                }\r\n                else {\r\n                    if (status.canceled) {\r\n                        var err = self.appDelete_ ? appDeleted() : canceled();\r\n                        reject(err);\r\n                    }\r\n                    else {\r\n                        var err = retryLimitExceeded();\r\n                        reject(err);\r\n                    }\r\n                }\r\n            }\r\n        }\r\n        if (this.canceled_) {\r\n            backoffDone(false, new RequestEndStatus(false, null, true));\r\n        }\r\n        else {\r\n            this.backoffId_ = start(doTheRequest, backoffDone, this.timeout_);\r\n        }\r\n    };\r\n    /** @inheritDoc */\r\n    NetworkRequest.prototype.getPromise = function () {\r\n        return this.promise_;\r\n    };\r\n    /** @inheritDoc */\r\n    NetworkRequest.prototype.cancel = function (appDelete) {\r\n        this.canceled_ = true;\r\n        this.appDelete_ = appDelete || false;\r\n        if (this.backoffId_ !== null) {\r\n            stop(this.backoffId_);\r\n        }\r\n        if (this.pendingXhr_ !== null) {\r\n            this.pendingXhr_.abort();\r\n        }\r\n    };\r\n    NetworkRequest.prototype.isRetryStatusCode_ = function (status) {\r\n        // The codes for which to retry came from this page:\r\n        // https://cloud.google.com/storage/docs/exponential-backoff\r\n        var isFiveHundredCode = status >= 500 && status < 600;\r\n        var extraRetryCodes = [\r\n            // Request Timeout: web server didn't receive full request in time.\r\n            408,\r\n            // Too Many Requests: you're getting rate-limited, basically.\r\n            429\r\n        ];\r\n        var isExtraRetryCode = extraRetryCodes.indexOf(status) !== -1;\r\n        var isRequestSpecificRetryCode = this.additionalRetryCodes_.indexOf(status) !== -1;\r\n        return isFiveHundredCode || isExtraRetryCode || isRequestSpecificRetryCode;\r\n    };\r\n    return NetworkRequest;\r\n}());\r\n/**\r\n * A collection of information about the result of a network request.\r\n * @param opt_canceled Defaults to false.\r\n * @struct\r\n */\r\nvar RequestEndStatus = /** @class */ (function () {\r\n    function RequestEndStatus(wasSuccessCode, xhr, canceled) {\r\n        this.wasSuccessCode = wasSuccessCode;\r\n        this.xhr = xhr;\r\n        this.canceled = !!canceled;\r\n    }\r\n    return RequestEndStatus;\r\n}());\r\nfunction addAuthHeader_(headers, authToken) {\r\n    if (authToken !== null && authToken.length > 0) {\r\n        headers['Authorization'] = 'Firebase ' + authToken;\r\n    }\r\n}\r\nfunction addVersionHeader_(headers) {\r\n    var version = typeof _firebase_app__WEBPACK_IMPORTED_MODULE_0___default.a !== 'undefined' ? _firebase_app__WEBPACK_IMPORTED_MODULE_0___default.a.SDK_VERSION : 'AppManager';\r\n    headers['X-Firebase-Storage-Version'] = 'webjs/' + version;\r\n}\r\nfunction addGmpidHeader_(headers, appId) {\r\n    if (appId) {\r\n        headers['X-Firebase-GMPID'] = appId;\r\n    }\r\n}\r\n/**\r\n * @template T\r\n */\r\nfunction makeRequest(requestInfo, appId, authToken, pool) {\r\n    var queryPart = makeQueryString(requestInfo.urlParams);\r\n    var url = requestInfo.url + queryPart;\r\n    var headers = Object.assign({}, requestInfo.headers);\r\n    addGmpidHeader_(headers, appId);\r\n    addAuthHeader_(headers, authToken);\r\n    addVersionHeader_(headers);\r\n    return new NetworkRequest(url, requestInfo.method, headers, requestInfo.body, requestInfo.successCodes, requestInfo.additionalRetryCodes, requestInfo.handler, requestInfo.errorHandler, requestInfo.timeout, requestInfo.progressCallback, pool);\r\n}\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * A service that provides firebaseStorage.Reference instances.\r\n * @param opt_url gs:// url to a custom Storage Bucket\r\n *\r\n * @struct\r\n */\r\nvar StorageService = /** @class */ (function () {\r\n    function StorageService(app, authProvider, pool, url) {\r\n        var _a;\r\n        this.bucket_ = null;\r\n        this.appId_ = null;\r\n        this.deleted_ = false;\r\n        this.app_ = app;\r\n        this.authProvider_ = authProvider;\r\n        this.maxOperationRetryTime_ = DEFAULT_MAX_OPERATION_RETRY_TIME;\r\n        this.maxUploadRetryTime_ = DEFAULT_MAX_UPLOAD_RETRY_TIME;\r\n        this.requests_ = new Set();\r\n        this.pool_ = pool;\r\n        if (url != null) {\r\n            this.bucket_ = Location.makeFromBucketSpec(url);\r\n        }\r\n        else {\r\n            this.bucket_ = StorageService.extractBucket_((_a = this.app_) === null || _a === void 0 ? void 0 : _a.options);\r\n        }\r\n        this.internals_ = new ServiceInternals(this);\r\n    }\r\n    StorageService.extractBucket_ = function (config) {\r\n        var bucketString = config === null || config === void 0 ? void 0 : config[CONFIG_STORAGE_BUCKET_KEY];\r\n        if (bucketString == null) {\r\n            return null;\r\n        }\r\n        return Location.makeFromBucketSpec(bucketString);\r\n    };\r\n    StorageService.prototype.getAuthToken = function () {\r\n        return Object(tslib__WEBPACK_IMPORTED_MODULE_1__[\"__awaiter\"])(this, void 0, void 0, function () {\r\n            var auth, tokenData;\r\n            return Object(tslib__WEBPACK_IMPORTED_MODULE_1__[\"__generator\"])(this, function (_a) {\r\n                switch (_a.label) {\r\n                    case 0:\r\n                        auth = this.authProvider_.getImmediate({ optional: true });\r\n                        if (!auth) return [3 /*break*/, 2];\r\n                        return [4 /*yield*/, auth.getToken()];\r\n                    case 1:\r\n                        tokenData = _a.sent();\r\n                        if (tokenData !== null) {\r\n                            return [2 /*return*/, tokenData.accessToken];\r\n                        }\r\n                        _a.label = 2;\r\n                    case 2: return [2 /*return*/, null];\r\n                }\r\n            });\r\n        });\r\n    };\r\n    /**\r\n     * Stop running requests and prevent more from being created.\r\n     */\r\n    StorageService.prototype.deleteApp = function () {\r\n        this.deleted_ = true;\r\n        this.app_ = null;\r\n        this.requests_.forEach(function (request) { return request.cancel(); });\r\n        this.requests_.clear();\r\n    };\r\n    /**\r\n     * Returns a new firebaseStorage.Reference object referencing this StorageService\r\n     * at the given Location.\r\n     * @param loc The Location.\r\n     * @return A firebaseStorage.Reference.\r\n     */\r\n    StorageService.prototype.makeStorageReference = function (loc) {\r\n        return new Reference(this, loc);\r\n    };\r\n    StorageService.prototype.makeRequest = function (requestInfo, authToken) {\r\n        var _this = this;\r\n        if (!this.deleted_) {\r\n            var request_1 = makeRequest(requestInfo, this.appId_, authToken, this.pool_);\r\n            this.requests_.add(request_1);\r\n            // Request removes itself from set when complete.\r\n            request_1.getPromise().then(function () { return _this.requests_.delete(request_1); }, function () { return _this.requests_.delete(request_1); });\r\n            return request_1;\r\n        }\r\n        else {\r\n            return new FailRequest(appDeleted());\r\n        }\r\n    };\r\n    /**\r\n     * Returns a firebaseStorage.Reference for the given path in the default\r\n     * bucket.\r\n     */\r\n    StorageService.prototype.ref = function (path) {\r\n        function validator(path) {\r\n            if (typeof path !== 'string') {\r\n                throw 'Path is not a string.';\r\n            }\r\n            if (/^[A-Za-z]+:\\/\\//.test(path)) {\r\n                throw 'Expected child path but got a URL, use refFromURL instead.';\r\n            }\r\n        }\r\n        validate('ref', [stringSpec(validator, true)], arguments);\r\n        if (this.bucket_ == null) {\r\n            throw new Error('No Storage Bucket defined in Firebase Options.');\r\n        }\r\n        var ref = new Reference(this, this.bucket_);\r\n        if (path != null) {\r\n            return ref.child(path);\r\n        }\r\n        else {\r\n            return ref;\r\n        }\r\n    };\r\n    /**\r\n     * Returns a firebaseStorage.Reference object for the given absolute URL,\r\n     * which must be a gs:// or http[s]:// URL.\r\n     */\r\n    StorageService.prototype.refFromURL = function (url) {\r\n        function validator(p) {\r\n            if (typeof p !== 'string') {\r\n                throw 'Path is not a string.';\r\n            }\r\n            if (!/^[A-Za-z]+:\\/\\//.test(p)) {\r\n                throw 'Expected full URL but got a child path, use ref instead.';\r\n            }\r\n            try {\r\n                Location.makeFromUrl(p);\r\n            }\r\n            catch (e) {\r\n                throw 'Expected valid full URL but got an invalid one.';\r\n            }\r\n        }\r\n        validate('refFromURL', [stringSpec(validator, false)], arguments);\r\n        return new Reference(this, url);\r\n    };\r\n    Object.defineProperty(StorageService.prototype, \"maxUploadRetryTime\", {\r\n        get: function () {\r\n            return this.maxUploadRetryTime_;\r\n        },\r\n        enumerable: false,\r\n        configurable: true\r\n    });\r\n    StorageService.prototype.setMaxUploadRetryTime = function (time) {\r\n        validate('setMaxUploadRetryTime', [nonNegativeNumberSpec()], arguments);\r\n        this.maxUploadRetryTime_ = time;\r\n    };\r\n    Object.defineProperty(StorageService.prototype, \"maxOperationRetryTime\", {\r\n        get: function () {\r\n            return this.maxOperationRetryTime_;\r\n        },\r\n        enumerable: false,\r\n        configurable: true\r\n    });\r\n    StorageService.prototype.setMaxOperationRetryTime = function (time) {\r\n        validate('setMaxOperationRetryTime', [nonNegativeNumberSpec()], arguments);\r\n        this.maxOperationRetryTime_ = time;\r\n    };\r\n    Object.defineProperty(StorageService.prototype, \"app\", {\r\n        get: function () {\r\n            return this.app_;\r\n        },\r\n        enumerable: false,\r\n        configurable: true\r\n    });\r\n    Object.defineProperty(StorageService.prototype, \"INTERNAL\", {\r\n        get: function () {\r\n            return this.internals_;\r\n        },\r\n        enumerable: false,\r\n        configurable: true\r\n    });\r\n    return StorageService;\r\n}());\r\n/**\r\n * @struct\r\n */\r\nvar ServiceInternals = /** @class */ (function () {\r\n    function ServiceInternals(service) {\r\n        this.service_ = service;\r\n    }\r\n    /**\r\n     * Called when the associated app is deleted.\r\n     */\r\n    ServiceInternals.prototype.delete = function () {\r\n        this.service_.deleteApp();\r\n        return Promise.resolve();\r\n    };\r\n    return ServiceInternals;\r\n}());\n\nvar name = \"@firebase/storage\";\nvar version = \"0.3.43\";\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * Type constant for Firebase Storage.\r\n */\r\nvar STORAGE_TYPE = 'storage';\r\nfunction factory(container, url) {\r\n    // Dependencies\r\n    var app = container.getProvider('app').getImmediate();\r\n    var authProvider = container.getProvider('auth-internal');\r\n    return new StorageService(app, authProvider, new XhrIoPool(), url);\r\n}\r\nfunction registerStorage(instance) {\r\n    var namespaceExports = {\r\n        // no-inline\r\n        TaskState: TaskState,\r\n        TaskEvent: TaskEvent,\r\n        StringFormat: StringFormat,\r\n        Storage: StorageService,\r\n        Reference: Reference\r\n    };\r\n    instance.INTERNAL.registerComponent(new _firebase_component__WEBPACK_IMPORTED_MODULE_2__[\"Component\"](STORAGE_TYPE, factory, \"PUBLIC\" /* PUBLIC */)\r\n        .setServiceProps(namespaceExports)\r\n        .setMultipleInstances(true));\r\n    instance.registerVersion(name, version);\r\n}\r\nregisterStorage(_firebase_app__WEBPACK_IMPORTED_MODULE_0___default.a);\n\n\n//# sourceMappingURL=index.esm.js.map\n\n\n//# sourceURL=webpack:///./node_modules/@firebase/storage/dist/index.esm.js?")},function(module,exports,__webpack_require__){"use strict";eval('\n\nObject.defineProperty(exports, \'__esModule\', { value: true });\n\nvar firebase = __webpack_require__(2);\n__webpack_require__(8);\nvar tslib = __webpack_require__(0);\nvar util = __webpack_require__(1);\nvar logger$1 = __webpack_require__(6);\nvar component = __webpack_require__(3);\n\nfunction _interopDefaultLegacy (e) { return e && typeof e === \'object\' && \'default\' in e ? e : { \'default\': e }; }\n\nvar firebase__default = /*#__PURE__*/_interopDefaultLegacy(firebase);\n\nvar name = "@firebase/performance";\nvar version = "0.4.2";\n\n/**\r\n * @license\r\n * Copyright 2017 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nvar SDK_VERSION = version;\r\n/** The prefix for start User Timing marks used for creating Traces. */\r\nvar TRACE_START_MARK_PREFIX = \'FB-PERF-TRACE-START\';\r\n/** The prefix for stop User Timing marks used for creating Traces. */\r\nvar TRACE_STOP_MARK_PREFIX = \'FB-PERF-TRACE-STOP\';\r\n/** The prefix for User Timing measure used for creating Traces. */\r\nvar TRACE_MEASURE_PREFIX = \'FB-PERF-TRACE-MEASURE\';\r\n/** The prefix for out of the box page load Trace name. */\r\nvar OOB_TRACE_PAGE_LOAD_PREFIX = \'_wt_\';\r\nvar FIRST_PAINT_COUNTER_NAME = \'_fp\';\r\nvar FIRST_CONTENTFUL_PAINT_COUNTER_NAME = \'_fcp\';\r\nvar FIRST_INPUT_DELAY_COUNTER_NAME = \'_fid\';\r\nvar CONFIG_LOCAL_STORAGE_KEY = \'@firebase/performance/config\';\r\nvar CONFIG_EXPIRY_LOCAL_STORAGE_KEY = \'@firebase/performance/configexpire\';\r\nvar SERVICE = \'performance\';\r\nvar SERVICE_NAME = \'Performance\';\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nvar _a;\r\nvar ERROR_DESCRIPTION_MAP = (_a = {},\r\n    _a["trace started" /* TRACE_STARTED_BEFORE */] = \'Trace {$traceName} was started before.\',\r\n    _a["trace stopped" /* TRACE_STOPPED_BEFORE */] = \'Trace {$traceName} is not running.\',\r\n    _a["nonpositive trace startTime" /* NONPOSITIVE_TRACE_START_TIME */] = \'Trace {$traceName} startTime should be positive.\',\r\n    _a["nonpositive trace duration" /* NONPOSITIVE_TRACE_DURATION */] = \'Trace {$traceName} duration should be positive.\',\r\n    _a["no window" /* NO_WINDOW */] = \'Window is not available.\',\r\n    _a["no app id" /* NO_APP_ID */] = \'App id is not available.\',\r\n    _a["no project id" /* NO_PROJECT_ID */] = \'Project id is not available.\',\r\n    _a["no api key" /* NO_API_KEY */] = \'Api key is not available.\',\r\n    _a["invalid cc log" /* INVALID_CC_LOG */] = \'Attempted to queue invalid cc event\',\r\n    _a["FB not default" /* FB_NOT_DEFAULT */] = \'Performance can only start when Firebase app instance is the default one.\',\r\n    _a["RC response not ok" /* RC_NOT_OK */] = \'RC response is not ok\',\r\n    _a["invalid attribute name" /* INVALID_ATTRIBUTE_NAME */] = \'Attribute name {$attributeName} is invalid.\',\r\n    _a["invalid attribute value" /* INVALID_ATTRIBUTE_VALUE */] = \'Attribute value {$attributeValue} is invalid.\',\r\n    _a["invalid custom metric name" /* INVALID_CUSTOM_METRIC_NAME */] = \'Custom metric name {$customMetricName} is invalid\',\r\n    _a["invalid String merger input" /* INVALID_STRING_MERGER_PARAMETER */] = \'Input for String merger is invalid, contact support team to resolve.\',\r\n    _a);\r\nvar ERROR_FACTORY = new util.ErrorFactory(SERVICE, SERVICE_NAME, ERROR_DESCRIPTION_MAP);\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nvar consoleLogger = new logger$1.Logger(SERVICE_NAME);\r\nconsoleLogger.logLevel = logger$1.LogLevel.INFO;\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nvar apiInstance;\r\nvar windowInstance;\r\n/**\r\n * This class holds a reference to various browser related objects injected by\r\n * set methods.\r\n */\r\nvar Api = /** @class */ (function () {\r\n    function Api(window) {\r\n        this.window = window;\r\n        if (!window) {\r\n            throw ERROR_FACTORY.create("no window" /* NO_WINDOW */);\r\n        }\r\n        this.performance = window.performance;\r\n        this.PerformanceObserver = window.PerformanceObserver;\r\n        this.windowLocation = window.location;\r\n        this.navigator = window.navigator;\r\n        this.document = window.document;\r\n        if (this.navigator && this.navigator.cookieEnabled) {\r\n            // If user blocks cookies on the browser, accessing localStorage will\r\n            // throw an exception.\r\n            this.localStorage = window.localStorage;\r\n        }\r\n        if (window.perfMetrics && window.perfMetrics.onFirstInputDelay) {\r\n            this.onFirstInputDelay = window.perfMetrics.onFirstInputDelay;\r\n        }\r\n    }\r\n    Api.prototype.getUrl = function () {\r\n        // Do not capture the string query part of url.\r\n        return this.windowLocation.href.split(\'?\')[0];\r\n    };\r\n    Api.prototype.mark = function (name) {\r\n        if (!this.performance || !this.performance.mark) {\r\n            return;\r\n        }\r\n        this.performance.mark(name);\r\n    };\r\n    Api.prototype.measure = function (measureName, mark1, mark2) {\r\n        if (!this.performance || !this.performance.measure) {\r\n            return;\r\n        }\r\n        this.performance.measure(measureName, mark1, mark2);\r\n    };\r\n    Api.prototype.getEntriesByType = function (type) {\r\n        if (!this.performance || !this.performance.getEntriesByType) {\r\n            return [];\r\n        }\r\n        return this.performance.getEntriesByType(type);\r\n    };\r\n    Api.prototype.getEntriesByName = function (name) {\r\n        if (!this.performance || !this.performance.getEntriesByName) {\r\n            return [];\r\n        }\r\n        return this.performance.getEntriesByName(name);\r\n    };\r\n    Api.prototype.getTimeOrigin = function () {\r\n        // Polyfill the time origin with performance.timing.navigationStart.\r\n        return (this.performance &&\r\n            (this.performance.timeOrigin || this.performance.timing.navigationStart));\r\n    };\r\n    Api.prototype.requiredApisAvailable = function () {\r\n        if (!fetch ||\r\n            !Promise ||\r\n            !this.navigator ||\r\n            !this.navigator.cookieEnabled) {\r\n            consoleLogger.info(\'Firebase Performance cannot start if browser does not support fetch and Promise or cookie is disabled.\');\r\n            return false;\r\n        }\r\n        if (!util.isIndexedDBAvailable()) {\r\n            consoleLogger.info(\'IndexedDB is not supported by current browswer\');\r\n            return false;\r\n        }\r\n        return true;\r\n    };\r\n    Api.prototype.setupObserver = function (entryType, callback) {\r\n        if (!this.PerformanceObserver) {\r\n            return;\r\n        }\r\n        var observer = new this.PerformanceObserver(function (list) {\r\n            for (var _i = 0, _a = list.getEntries(); _i < _a.length; _i++) {\r\n                var entry = _a[_i];\r\n                // `entry` is a PerformanceEntry instance.\r\n                callback(entry);\r\n            }\r\n        });\r\n        // Start observing the entry types you care about.\r\n        observer.observe({ entryTypes: [entryType] });\r\n    };\r\n    Api.getInstance = function () {\r\n        if (apiInstance === undefined) {\r\n            apiInstance = new Api(windowInstance);\r\n        }\r\n        return apiInstance;\r\n    };\r\n    return Api;\r\n}());\r\nfunction setupApi(window) {\r\n    windowInstance = window;\r\n}\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nfunction mergeStrings(part1, part2) {\r\n    var sizeDiff = part1.length - part2.length;\r\n    if (sizeDiff < 0 || sizeDiff > 1) {\r\n        throw ERROR_FACTORY.create("invalid String merger input" /* INVALID_STRING_MERGER_PARAMETER */);\r\n    }\r\n    var resultArray = [];\r\n    for (var i = 0; i < part1.length; i++) {\r\n        resultArray.push(part1.charAt(i));\r\n        if (part2.length > i) {\r\n            resultArray.push(part2.charAt(i));\r\n        }\r\n    }\r\n    return resultArray.join(\'\');\r\n}\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nvar settingsServiceInstance;\r\nvar SettingsService = /** @class */ (function () {\r\n    function SettingsService() {\r\n        // The variable which controls logging of automatic traces and HTTP/S network monitoring.\r\n        this.instrumentationEnabled = true;\r\n        // The variable which controls logging of custom traces.\r\n        this.dataCollectionEnabled = true;\r\n        // Configuration flags set through remote config.\r\n        this.loggingEnabled = false;\r\n        // Sampling rate between 0 and 1.\r\n        this.tracesSamplingRate = 1;\r\n        this.networkRequestsSamplingRate = 1;\r\n        // Address of logging service.\r\n        this.logEndPointUrl = \'https://firebaselogging.googleapis.com/v0cc/log?format=json_proto\';\r\n        // Performance event transport endpoint URL which should be compatible with proto3.\r\n        // New Address for transport service, not configurable via Remote Config.\r\n        this.flTransportEndpointUrl = mergeStrings(\'hts/frbslgigp.ogepscmv/ieo/eaylg\', \'tp:/ieaeogn-agolai.o/1frlglgc/o\');\r\n        this.transportKey = mergeStrings(\'AzSC8r6ReiGqFMyfvgow\', \'Iayx0u-XT3vksVM-pIV\');\r\n        // Source type for performance event logs.\r\n        this.logSource = 462;\r\n        // Flags which control per session logging of traces and network requests.\r\n        this.logTraceAfterSampling = false;\r\n        this.logNetworkAfterSampling = false;\r\n        // TTL of config retrieved from remote config in hours.\r\n        this.configTimeToLive = 12;\r\n    }\r\n    SettingsService.prototype.getAppId = function () {\r\n        var appId = this.firebaseAppInstance &&\r\n            this.firebaseAppInstance.options &&\r\n            this.firebaseAppInstance.options.appId;\r\n        if (!appId) {\r\n            throw ERROR_FACTORY.create("no app id" /* NO_APP_ID */);\r\n        }\r\n        return appId;\r\n    };\r\n    SettingsService.prototype.getProjectId = function () {\r\n        var projectId = this.firebaseAppInstance &&\r\n            this.firebaseAppInstance.options &&\r\n            this.firebaseAppInstance.options.projectId;\r\n        if (!projectId) {\r\n            throw ERROR_FACTORY.create("no project id" /* NO_PROJECT_ID */);\r\n        }\r\n        return projectId;\r\n    };\r\n    SettingsService.prototype.getApiKey = function () {\r\n        var apiKey = this.firebaseAppInstance &&\r\n            this.firebaseAppInstance.options &&\r\n            this.firebaseAppInstance.options.apiKey;\r\n        if (!apiKey) {\r\n            throw ERROR_FACTORY.create("no api key" /* NO_API_KEY */);\r\n        }\r\n        return apiKey;\r\n    };\r\n    SettingsService.prototype.getFlTransportFullUrl = function () {\r\n        return this.flTransportEndpointUrl.concat(\'?key=\', this.transportKey);\r\n    };\r\n    SettingsService.getInstance = function () {\r\n        if (settingsServiceInstance === undefined) {\r\n            settingsServiceInstance = new SettingsService();\r\n        }\r\n        return settingsServiceInstance;\r\n    };\r\n    return SettingsService;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nvar iid;\r\nfunction getIidPromise() {\r\n    var iidPromise = SettingsService.getInstance().installationsService.getId();\r\n    // eslint-disable-next-line @typescript-eslint/no-floating-promises\r\n    iidPromise.then(function (iidVal) {\r\n        iid = iidVal;\r\n    });\r\n    return iidPromise;\r\n}\r\n// This method should be used after the iid is retrieved by getIidPromise method.\r\nfunction getIid() {\r\n    return iid;\r\n}\r\nfunction getAuthTokenPromise() {\r\n    var authTokenPromise = SettingsService.getInstance().installationsService.getToken();\r\n    // eslint-disable-next-line @typescript-eslint/no-floating-promises\r\n    authTokenPromise.then(function (authTokenVal) {\r\n    });\r\n    return authTokenPromise;\r\n}\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nvar VisibilityState;\r\n(function (VisibilityState) {\r\n    VisibilityState[VisibilityState["UNKNOWN"] = 0] = "UNKNOWN";\r\n    VisibilityState[VisibilityState["VISIBLE"] = 1] = "VISIBLE";\r\n    VisibilityState[VisibilityState["HIDDEN"] = 2] = "HIDDEN";\r\n})(VisibilityState || (VisibilityState = {}));\r\nvar RESERVED_ATTRIBUTE_PREFIXES = [\'firebase_\', \'google_\', \'ga_\'];\r\nvar ATTRIBUTE_FORMAT_REGEX = new RegExp(\'^[a-zA-Z]\\\\w*$\');\r\nvar MAX_ATTRIBUTE_NAME_LENGTH = 40;\r\nvar MAX_ATTRIBUTE_VALUE_LENGTH = 100;\r\nfunction getServiceWorkerStatus() {\r\n    var navigator = Api.getInstance().navigator;\r\n    if (\'serviceWorker\' in navigator) {\r\n        if (navigator.serviceWorker.controller) {\r\n            return 2 /* CONTROLLED */;\r\n        }\r\n        else {\r\n            return 3 /* UNCONTROLLED */;\r\n        }\r\n    }\r\n    else {\r\n        return 1 /* UNSUPPORTED */;\r\n    }\r\n}\r\nfunction getVisibilityState() {\r\n    var document = Api.getInstance().document;\r\n    var visibilityState = document.visibilityState;\r\n    switch (visibilityState) {\r\n        case \'visible\':\r\n            return VisibilityState.VISIBLE;\r\n        case \'hidden\':\r\n            return VisibilityState.HIDDEN;\r\n        default:\r\n            return VisibilityState.UNKNOWN;\r\n    }\r\n}\r\nfunction getEffectiveConnectionType() {\r\n    var navigator = Api.getInstance().navigator;\r\n    var navigatorConnection = navigator.connection;\r\n    var effectiveType = navigatorConnection && navigatorConnection.effectiveType;\r\n    switch (effectiveType) {\r\n        case \'slow-2g\':\r\n            return 1 /* CONNECTION_SLOW_2G */;\r\n        case \'2g\':\r\n            return 2 /* CONNECTION_2G */;\r\n        case \'3g\':\r\n            return 3 /* CONNECTION_3G */;\r\n        case \'4g\':\r\n            return 4 /* CONNECTION_4G */;\r\n        default:\r\n            return 0 /* UNKNOWN */;\r\n    }\r\n}\r\nfunction isValidCustomAttributeName(name) {\r\n    if (name.length === 0 || name.length > MAX_ATTRIBUTE_NAME_LENGTH) {\r\n        return false;\r\n    }\r\n    var matchesReservedPrefix = RESERVED_ATTRIBUTE_PREFIXES.some(function (prefix) {\r\n        return name.startsWith(prefix);\r\n    });\r\n    return !matchesReservedPrefix && !!name.match(ATTRIBUTE_FORMAT_REGEX);\r\n}\r\nfunction isValidCustomAttributeValue(value) {\r\n    return value.length !== 0 && value.length <= MAX_ATTRIBUTE_VALUE_LENGTH;\r\n}\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nvar REMOTE_CONFIG_SDK_VERSION = \'0.0.1\';\r\n// These values will be used if the remote config object is successfully\r\n// retrieved, but the template does not have these fields.\r\nvar DEFAULT_CONFIGS = {\r\n    loggingEnabled: true\r\n};\r\nvar FIS_AUTH_PREFIX = \'FIREBASE_INSTALLATIONS_AUTH\';\r\nfunction getConfig(iid) {\r\n    var config = getStoredConfig();\r\n    if (config) {\r\n        processConfig(config);\r\n        return Promise.resolve();\r\n    }\r\n    return getRemoteConfig(iid)\r\n        .then(processConfig)\r\n        .then(function (config) { return storeConfig(config); }, \r\n    /** Do nothing for error, use defaults set in settings service. */\r\n    function () { });\r\n}\r\nfunction getStoredConfig() {\r\n    var localStorage = Api.getInstance().localStorage;\r\n    if (!localStorage) {\r\n        return;\r\n    }\r\n    var expiryString = localStorage.getItem(CONFIG_EXPIRY_LOCAL_STORAGE_KEY);\r\n    if (!expiryString || !configValid(expiryString)) {\r\n        return;\r\n    }\r\n    var configStringified = localStorage.getItem(CONFIG_LOCAL_STORAGE_KEY);\r\n    if (!configStringified) {\r\n        return;\r\n    }\r\n    try {\r\n        var configResponse = JSON.parse(configStringified);\r\n        return configResponse;\r\n    }\r\n    catch (_a) {\r\n        return;\r\n    }\r\n}\r\nfunction storeConfig(config) {\r\n    var localStorage = Api.getInstance().localStorage;\r\n    if (!config || !localStorage) {\r\n        return;\r\n    }\r\n    localStorage.setItem(CONFIG_LOCAL_STORAGE_KEY, JSON.stringify(config));\r\n    localStorage.setItem(CONFIG_EXPIRY_LOCAL_STORAGE_KEY, String(Date.now() +\r\n        SettingsService.getInstance().configTimeToLive * 60 * 60 * 1000));\r\n}\r\nvar COULD_NOT_GET_CONFIG_MSG = \'Could not fetch config, will use default configs\';\r\nfunction getRemoteConfig(iid) {\r\n    // Perf needs auth token only to retrieve remote config.\r\n    return getAuthTokenPromise()\r\n        .then(function (authToken) {\r\n        var projectId = SettingsService.getInstance().getProjectId();\r\n        var configEndPoint = "https://firebaseremoteconfig.googleapis.com/v1/projects/" + projectId + "/namespaces/fireperf:fetch?key=" + SettingsService.getInstance().getApiKey();\r\n        var request = new Request(configEndPoint, {\r\n            method: \'POST\',\r\n            headers: { Authorization: FIS_AUTH_PREFIX + " " + authToken },\r\n            /* eslint-disable camelcase */\r\n            body: JSON.stringify({\r\n                app_instance_id: iid,\r\n                app_instance_id_token: authToken,\r\n                app_id: SettingsService.getInstance().getAppId(),\r\n                app_version: SDK_VERSION,\r\n                sdk_version: REMOTE_CONFIG_SDK_VERSION\r\n            })\r\n            /* eslint-enable camelcase */\r\n        });\r\n        return fetch(request).then(function (response) {\r\n            if (response.ok) {\r\n                return response.json();\r\n            }\r\n            // In case response is not ok. This will be caught by catch.\r\n            throw ERROR_FACTORY.create("RC response not ok" /* RC_NOT_OK */);\r\n        });\r\n    })\r\n        .catch(function () {\r\n        consoleLogger.info(COULD_NOT_GET_CONFIG_MSG);\r\n        return undefined;\r\n    });\r\n}\r\n/**\r\n * Processes config coming either from calling RC or from local storage.\r\n * This method only runs if call is successful or config in storage\r\n * is valid.\r\n */\r\nfunction processConfig(config) {\r\n    if (!config) {\r\n        return config;\r\n    }\r\n    var settingsServiceInstance = SettingsService.getInstance();\r\n    var entries = config.entries || {};\r\n    if (entries.fpr_enabled !== undefined) {\r\n        // TODO: Change the assignment of loggingEnabled once the received type is\r\n        // known.\r\n        settingsServiceInstance.loggingEnabled =\r\n            String(entries.fpr_enabled) === \'true\';\r\n    }\r\n    else {\r\n        // Config retrieved successfully, but there is no fpr_enabled in template.\r\n        // Use secondary configs value.\r\n        settingsServiceInstance.loggingEnabled = DEFAULT_CONFIGS.loggingEnabled;\r\n    }\r\n    if (entries.fpr_log_source) {\r\n        settingsServiceInstance.logSource = Number(entries.fpr_log_source);\r\n    }\r\n    if (entries.fpr_log_endpoint_url) {\r\n        settingsServiceInstance.logEndPointUrl = entries.fpr_log_endpoint_url;\r\n    }\r\n    // Key from Remote Config has to be non-empty string, otherwsie use local value.\r\n    if (entries.fpr_log_transport_key) {\r\n        settingsServiceInstance.transportKey = entries.fpr_log_transport_key;\r\n    }\r\n    if (entries.fpr_vc_network_request_sampling_rate !== undefined) {\r\n        settingsServiceInstance.networkRequestsSamplingRate = Number(entries.fpr_vc_network_request_sampling_rate);\r\n    }\r\n    if (entries.fpr_vc_trace_sampling_rate !== undefined) {\r\n        settingsServiceInstance.tracesSamplingRate = Number(entries.fpr_vc_trace_sampling_rate);\r\n    }\r\n    // Set the per session trace and network logging flags.\r\n    settingsServiceInstance.logTraceAfterSampling = shouldLogAfterSampling(settingsServiceInstance.tracesSamplingRate);\r\n    settingsServiceInstance.logNetworkAfterSampling = shouldLogAfterSampling(settingsServiceInstance.networkRequestsSamplingRate);\r\n    return config;\r\n}\r\nfunction configValid(expiry) {\r\n    return Number(expiry) > Date.now();\r\n}\r\nfunction shouldLogAfterSampling(samplingRate) {\r\n    return Math.random() <= samplingRate;\r\n}\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nvar initializationStatus = 1 /* notInitialized */;\r\nvar initializationPromise;\r\nfunction getInitializationPromise() {\r\n    initializationStatus = 2 /* initializationPending */;\r\n    initializationPromise = initializationPromise || initializePerf();\r\n    return initializationPromise;\r\n}\r\nfunction isPerfInitialized() {\r\n    return initializationStatus === 3 /* initialized */;\r\n}\r\nfunction initializePerf() {\r\n    return getDocumentReadyComplete()\r\n        .then(function () { return getIidPromise(); })\r\n        .then(function (iid) { return getConfig(iid); })\r\n        .then(function () { return changeInitializationStatus(); }, function () { return changeInitializationStatus(); });\r\n}\r\n/**\r\n * Returns a promise which resolves whenever the document readystate is complete or\r\n * immediately if it is called after page load complete.\r\n */\r\nfunction getDocumentReadyComplete() {\r\n    var document = Api.getInstance().document;\r\n    return new Promise(function (resolve) {\r\n        if (document && document.readyState !== \'complete\') {\r\n            var handler_1 = function () {\r\n                if (document.readyState === \'complete\') {\r\n                    document.removeEventListener(\'readystatechange\', handler_1);\r\n                    resolve();\r\n                }\r\n            };\r\n            document.addEventListener(\'readystatechange\', handler_1);\r\n        }\r\n        else {\r\n            resolve();\r\n        }\r\n    });\r\n}\r\nfunction changeInitializationStatus() {\r\n    initializationStatus = 3 /* initialized */;\r\n}\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nvar DEFAULT_SEND_INTERVAL_MS = 10 * 1000;\r\nvar INITIAL_SEND_TIME_DELAY_MS = 5.5 * 1000;\r\n// If end point does not work, the call will be tried for these many times.\r\nvar DEFAULT_REMAINING_TRIES = 3;\r\nvar remainingTries = DEFAULT_REMAINING_TRIES;\r\n/* eslint-enable camelcase */\r\nvar queue = [];\r\nvar isTransportSetup = false;\r\nfunction setupTransportService() {\r\n    if (!isTransportSetup) {\r\n        processQueue(INITIAL_SEND_TIME_DELAY_MS);\r\n        isTransportSetup = true;\r\n    }\r\n}\r\nfunction processQueue(timeOffset) {\r\n    setTimeout(function () {\r\n        // If there is no remainingTries left, stop retrying.\r\n        if (remainingTries === 0) {\r\n            return;\r\n        }\r\n        // If there are no events to process, wait for DEFAULT_SEND_INTERVAL_MS and try again.\r\n        if (!queue.length) {\r\n            return processQueue(DEFAULT_SEND_INTERVAL_MS);\r\n        }\r\n        dispatchQueueEvents();\r\n    }, timeOffset);\r\n}\r\nfunction dispatchQueueEvents() {\r\n    // Capture a snapshot of the queue and empty the "official queue".\r\n    var staged = tslib.__spreadArrays(queue);\r\n    queue = [];\r\n    /* eslint-disable camelcase */\r\n    // We will pass the JSON serialized event to the backend.\r\n    var log_event = staged.map(function (evt) { return ({\r\n        source_extension_json_proto3: evt.message,\r\n        event_time_ms: String(evt.eventTime)\r\n    }); });\r\n    var data = {\r\n        request_time_ms: String(Date.now()),\r\n        client_info: {\r\n            client_type: 1,\r\n            js_client_info: {}\r\n        },\r\n        log_source: SettingsService.getInstance().logSource,\r\n        log_event: log_event\r\n    };\r\n    /* eslint-enable camelcase */\r\n    sendEventsToFl(data, staged).catch(function () {\r\n        // If the request fails for some reason, add the events that were attempted\r\n        // back to the primary queue to retry later.\r\n        queue = tslib.__spreadArrays(staged, queue);\r\n        remainingTries--;\r\n        consoleLogger.info("Tries left: " + remainingTries + ".");\r\n        processQueue(DEFAULT_SEND_INTERVAL_MS);\r\n    });\r\n}\r\nfunction sendEventsToFl(data, staged) {\r\n    return postToFlEndpoint(data)\r\n        .then(function (res) {\r\n        if (!res.ok) {\r\n            consoleLogger.info(\'Call to Firebase backend failed.\');\r\n        }\r\n        return res.json();\r\n    })\r\n        .then(function (res) {\r\n        // Find the next call wait time from the response.\r\n        var transportWait = Number(res.nextRequestWaitMillis);\r\n        var requestOffset = DEFAULT_SEND_INTERVAL_MS;\r\n        if (!isNaN(transportWait)) {\r\n            requestOffset = Math.max(transportWait, requestOffset);\r\n        }\r\n        // Delete request if response include RESPONSE_ACTION_UNKNOWN or DELETE_REQUEST action.\r\n        // Otherwise, retry request using normal scheduling if response include RETRY_REQUEST_LATER.\r\n        var logResponseDetails = res.logResponseDetails;\r\n        if (Array.isArray(logResponseDetails) &&\r\n            logResponseDetails.length > 0 &&\r\n            logResponseDetails[0].responseAction === \'RETRY_REQUEST_LATER\') {\r\n            queue = tslib.__spreadArrays(staged, queue);\r\n            consoleLogger.info("Retry transport request later.");\r\n        }\r\n        remainingTries = DEFAULT_REMAINING_TRIES;\r\n        // Schedule the next process.\r\n        processQueue(requestOffset);\r\n    });\r\n}\r\nfunction postToFlEndpoint(data) {\r\n    var flTransportFullUrl = SettingsService.getInstance().getFlTransportFullUrl();\r\n    return fetch(flTransportFullUrl, {\r\n        method: \'POST\',\r\n        body: JSON.stringify(data)\r\n    });\r\n}\r\nfunction addToQueue(evt) {\r\n    if (!evt.eventTime || !evt.message) {\r\n        throw ERROR_FACTORY.create("invalid cc log" /* INVALID_CC_LOG */);\r\n    }\r\n    // Add the new event to the queue.\r\n    queue = tslib.__spreadArrays(queue, [evt]);\r\n}\r\n/** Log handler for cc service to send the performance logs to the server. */\r\nfunction transportHandler(\r\n// eslint-disable-next-line @typescript-eslint/no-explicit-any\r\nserializer) {\r\n    return function () {\r\n        var args = [];\r\n        for (var _i = 0; _i < arguments.length; _i++) {\r\n            args[_i] = arguments[_i];\r\n        }\r\n        var message = serializer.apply(void 0, args);\r\n        addToQueue({\r\n            message: message,\r\n            eventTime: Date.now()\r\n        });\r\n    };\r\n}\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/* eslint-enble camelcase */\r\nvar logger;\r\n// This method is not called before initialization.\r\nfunction sendLog(resource, resourceType) {\r\n    if (!logger) {\r\n        logger = transportHandler(serializer);\r\n    }\r\n    logger(resource, resourceType);\r\n}\r\nfunction logTrace(trace) {\r\n    var settingsService = SettingsService.getInstance();\r\n    // Do not log if trace is auto generated and instrumentation is disabled.\r\n    if (!settingsService.instrumentationEnabled && trace.isAuto) {\r\n        return;\r\n    }\r\n    // Do not log if trace is custom and data collection is disabled.\r\n    if (!settingsService.dataCollectionEnabled && !trace.isAuto) {\r\n        return;\r\n    }\r\n    // Do not log if required apis are not available.\r\n    if (!Api.getInstance().requiredApisAvailable()) {\r\n        return;\r\n    }\r\n    // Only log the page load auto traces if page is visible.\r\n    if (trace.isAuto && getVisibilityState() !== VisibilityState.VISIBLE) {\r\n        return;\r\n    }\r\n    if (isPerfInitialized()) {\r\n        sendTraceLog(trace);\r\n    }\r\n    else {\r\n        // Custom traces can be used before the initialization but logging\r\n        // should wait until after.\r\n        getInitializationPromise().then(function () { return sendTraceLog(trace); }, function () { return sendTraceLog(trace); });\r\n    }\r\n}\r\nfunction sendTraceLog(trace) {\r\n    if (!getIid()) {\r\n        return;\r\n    }\r\n    var settingsService = SettingsService.getInstance();\r\n    if (!settingsService.loggingEnabled ||\r\n        !settingsService.logTraceAfterSampling) {\r\n        return;\r\n    }\r\n    setTimeout(function () { return sendLog(trace, 1 /* Trace */); }, 0);\r\n}\r\nfunction logNetworkRequest(networkRequest) {\r\n    var settingsService = SettingsService.getInstance();\r\n    // Do not log network requests if instrumentation is disabled.\r\n    if (!settingsService.instrumentationEnabled) {\r\n        return;\r\n    }\r\n    // Do not log the js sdk\'s call to transport service domain to avoid unnecessary cycle.\r\n    // Need to blacklist both old and new endpoints to avoid migration gap.\r\n    var networkRequestUrl = networkRequest.url;\r\n    // Blacklist old log endpoint and new transport endpoint.\r\n    // Because Performance SDK doesn\'t instrument requests sent from SDK itself.\r\n    var logEndpointUrl = settingsService.logEndPointUrl.split(\'?\')[0];\r\n    var flEndpointUrl = settingsService.flTransportEndpointUrl.split(\'?\')[0];\r\n    if (networkRequestUrl === logEndpointUrl ||\r\n        networkRequestUrl === flEndpointUrl) {\r\n        return;\r\n    }\r\n    if (!settingsService.loggingEnabled ||\r\n        !settingsService.logNetworkAfterSampling) {\r\n        return;\r\n    }\r\n    setTimeout(function () { return sendLog(networkRequest, 0 /* NetworkRequest */); }, 0);\r\n}\r\nfunction serializer(resource, resourceType) {\r\n    if (resourceType === 0 /* NetworkRequest */) {\r\n        return serializeNetworkRequest(resource);\r\n    }\r\n    return serializeTrace(resource);\r\n}\r\nfunction serializeNetworkRequest(networkRequest) {\r\n    var networkRequestMetric = {\r\n        url: networkRequest.url,\r\n        http_method: networkRequest.httpMethod || 0,\r\n        http_response_code: 200,\r\n        response_payload_bytes: networkRequest.responsePayloadBytes,\r\n        client_start_time_us: networkRequest.startTimeUs,\r\n        time_to_response_initiated_us: networkRequest.timeToResponseInitiatedUs,\r\n        time_to_response_completed_us: networkRequest.timeToResponseCompletedUs\r\n    };\r\n    var perfMetric = {\r\n        application_info: getApplicationInfo(),\r\n        network_request_metric: networkRequestMetric\r\n    };\r\n    return JSON.stringify(perfMetric);\r\n}\r\nfunction serializeTrace(trace) {\r\n    var traceMetric = {\r\n        name: trace.name,\r\n        is_auto: trace.isAuto,\r\n        client_start_time_us: trace.startTimeUs,\r\n        duration_us: trace.durationUs\r\n    };\r\n    if (Object.keys(trace.counters).length !== 0) {\r\n        traceMetric.counters = trace.counters;\r\n    }\r\n    var customAttributes = trace.getAttributes();\r\n    if (Object.keys(customAttributes).length !== 0) {\r\n        traceMetric.custom_attributes = customAttributes;\r\n    }\r\n    var perfMetric = {\r\n        application_info: getApplicationInfo(),\r\n        trace_metric: traceMetric\r\n    };\r\n    return JSON.stringify(perfMetric);\r\n}\r\nfunction getApplicationInfo() {\r\n    return {\r\n        google_app_id: SettingsService.getInstance().getAppId(),\r\n        app_instance_id: getIid(),\r\n        web_app_info: {\r\n            sdk_version: SDK_VERSION,\r\n            page_url: Api.getInstance().getUrl(),\r\n            service_worker_status: getServiceWorkerStatus(),\r\n            visibility_state: getVisibilityState(),\r\n            effective_connection_type: getEffectiveConnectionType()\r\n        },\r\n        application_process_state: 0\r\n    };\r\n}\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nvar MAX_METRIC_NAME_LENGTH = 100;\r\nvar RESERVED_AUTO_PREFIX = \'_\';\r\nvar oobMetrics = [\r\n    FIRST_PAINT_COUNTER_NAME,\r\n    FIRST_CONTENTFUL_PAINT_COUNTER_NAME,\r\n    FIRST_INPUT_DELAY_COUNTER_NAME\r\n];\r\n/**\r\n * Returns true if the metric is custom and does not start with reserved prefix, or if\r\n * the metric is one of out of the box page load trace metrics.\r\n */\r\nfunction isValidMetricName(name, traceName) {\r\n    if (name.length === 0 || name.length > MAX_METRIC_NAME_LENGTH) {\r\n        return false;\r\n    }\r\n    return ((traceName &&\r\n        traceName.startsWith(OOB_TRACE_PAGE_LOAD_PREFIX) &&\r\n        oobMetrics.indexOf(name) > -1) ||\r\n        !name.startsWith(RESERVED_AUTO_PREFIX));\r\n}\r\n/**\r\n * Converts the provided value to an integer value to be used in case of a metric.\r\n * @param providedValue Provided number value of the metric that needs to be converted to an integer.\r\n *\r\n * @returns Converted integer number to be set for the metric.\r\n */\r\nfunction convertMetricValueToInteger(providedValue) {\r\n    var valueAsInteger = Math.floor(providedValue);\r\n    if (valueAsInteger < providedValue) {\r\n        consoleLogger.info("Metric value should be an Integer, setting the value as : " + valueAsInteger + ".");\r\n    }\r\n    return valueAsInteger;\r\n}\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nvar Trace = /** @class */ (function () {\r\n    /**\r\n     * @param name The name of the trace.\r\n     * @param isAuto If the trace is auto-instrumented.\r\n     * @param traceMeasureName The name of the measure marker in user timing specification. This field\r\n     * is only set when the trace is built for logging when the user directly uses the user timing\r\n     * api (performance.mark and performance.measure).\r\n     */\r\n    function Trace(name, isAuto, traceMeasureName) {\r\n        if (isAuto === void 0) { isAuto = false; }\r\n        this.name = name;\r\n        this.isAuto = isAuto;\r\n        this.state = 1 /* UNINITIALIZED */;\r\n        this.customAttributes = {};\r\n        this.counters = {};\r\n        this.api = Api.getInstance();\r\n        this.randomId = Math.floor(Math.random() * 1000000);\r\n        if (!this.isAuto) {\r\n            this.traceStartMark = TRACE_START_MARK_PREFIX + "-" + this.randomId + "-" + this.name;\r\n            this.traceStopMark = TRACE_STOP_MARK_PREFIX + "-" + this.randomId + "-" + this.name;\r\n            this.traceMeasure =\r\n                traceMeasureName ||\r\n                    TRACE_MEASURE_PREFIX + "-" + this.randomId + "-" + this.name;\r\n            if (traceMeasureName) {\r\n                // For the case of direct user timing traces, no start stop will happen. The measure object\r\n                // is already available.\r\n                this.calculateTraceMetrics();\r\n            }\r\n        }\r\n    }\r\n    /**\r\n     * Starts a trace. The measurement of the duration starts at this point.\r\n     */\r\n    Trace.prototype.start = function () {\r\n        if (this.state !== 1 /* UNINITIALIZED */) {\r\n            throw ERROR_FACTORY.create("trace started" /* TRACE_STARTED_BEFORE */, {\r\n                traceName: this.name\r\n            });\r\n        }\r\n        this.api.mark(this.traceStartMark);\r\n        this.state = 2 /* RUNNING */;\r\n    };\r\n    /**\r\n     * Stops the trace. The measurement of the duration of the trace stops at this point and trace\r\n     * is logged.\r\n     */\r\n    Trace.prototype.stop = function () {\r\n        if (this.state !== 2 /* RUNNING */) {\r\n            throw ERROR_FACTORY.create("trace stopped" /* TRACE_STOPPED_BEFORE */, {\r\n                traceName: this.name\r\n            });\r\n        }\r\n        this.state = 3 /* TERMINATED */;\r\n        this.api.mark(this.traceStopMark);\r\n        this.api.measure(this.traceMeasure, this.traceStartMark, this.traceStopMark);\r\n        this.calculateTraceMetrics();\r\n        logTrace(this);\r\n    };\r\n    /**\r\n     * Records a trace with predetermined values. If this method is used a trace is created and logged\r\n     * directly. No need to use start and stop methods.\r\n     * @param startTime Trace start time since epoch in millisec\r\n     * @param duration The duraction of the trace in millisec\r\n     * @param options An object which can optionally hold maps of custom metrics and custom attributes\r\n     */\r\n    Trace.prototype.record = function (startTime, duration, options) {\r\n        if (startTime <= 0) {\r\n            throw ERROR_FACTORY.create("nonpositive trace startTime" /* NONPOSITIVE_TRACE_START_TIME */, {\r\n                traceName: this.name\r\n            });\r\n        }\r\n        if (duration <= 0) {\r\n            throw ERROR_FACTORY.create("nonpositive trace duration" /* NONPOSITIVE_TRACE_DURATION */, {\r\n                traceName: this.name\r\n            });\r\n        }\r\n        this.durationUs = Math.floor(duration * 1000);\r\n        this.startTimeUs = Math.floor(startTime * 1000);\r\n        if (options && options.attributes) {\r\n            this.customAttributes = tslib.__assign({}, options.attributes);\r\n        }\r\n        if (options && options.metrics) {\r\n            for (var _i = 0, _a = Object.keys(options.metrics); _i < _a.length; _i++) {\r\n                var metric = _a[_i];\r\n                if (!isNaN(Number(options.metrics[metric]))) {\r\n                    this.counters[metric] = Number(Math.floor(options.metrics[metric]));\r\n                }\r\n            }\r\n        }\r\n        logTrace(this);\r\n    };\r\n    /**\r\n     * Increments a custom metric by a certain number or 1 if number not specified. Will create a new\r\n     * custom metric if one with the given name does not exist. The value will be floored down to an\r\n     * integer.\r\n     * @param counter Name of the custom metric\r\n     * @param numAsInteger Increment by value\r\n     */\r\n    Trace.prototype.incrementMetric = function (counter, numAsInteger) {\r\n        if (numAsInteger === void 0) { numAsInteger = 1; }\r\n        if (this.counters[counter] === undefined) {\r\n            this.putMetric(counter, numAsInteger);\r\n        }\r\n        else {\r\n            this.putMetric(counter, this.counters[counter] + numAsInteger);\r\n        }\r\n    };\r\n    /**\r\n     * Sets a custom metric to a specified value. Will create a new custom metric if one with the\r\n     * given name does not exist. The value will be floored down to an integer.\r\n     * @param counter Name of the custom metric\r\n     * @param numAsInteger Set custom metric to this value\r\n     */\r\n    Trace.prototype.putMetric = function (counter, numAsInteger) {\r\n        if (isValidMetricName(counter, this.name)) {\r\n            this.counters[counter] = convertMetricValueToInteger(numAsInteger);\r\n        }\r\n        else {\r\n            throw ERROR_FACTORY.create("invalid custom metric name" /* INVALID_CUSTOM_METRIC_NAME */, {\r\n                customMetricName: counter\r\n            });\r\n        }\r\n    };\r\n    /**\r\n     * Returns the value of the custom metric by that name. If a custom metric with that name does\r\n     * not exist will return zero.\r\n     * @param counter\r\n     */\r\n    Trace.prototype.getMetric = function (counter) {\r\n        return this.counters[counter] || 0;\r\n    };\r\n    /**\r\n     * Sets a custom attribute of a trace to a certain value.\r\n     * @param attr\r\n     * @param value\r\n     */\r\n    Trace.prototype.putAttribute = function (attr, value) {\r\n        var isValidName = isValidCustomAttributeName(attr);\r\n        var isValidValue = isValidCustomAttributeValue(value);\r\n        if (isValidName && isValidValue) {\r\n            this.customAttributes[attr] = value;\r\n            return;\r\n        }\r\n        // Throw appropriate error when the attribute name or value is invalid.\r\n        if (!isValidName) {\r\n            throw ERROR_FACTORY.create("invalid attribute name" /* INVALID_ATTRIBUTE_NAME */, {\r\n                attributeName: attr\r\n            });\r\n        }\r\n        if (!isValidValue) {\r\n            throw ERROR_FACTORY.create("invalid attribute value" /* INVALID_ATTRIBUTE_VALUE */, {\r\n                attributeValue: value\r\n            });\r\n        }\r\n    };\r\n    /**\r\n     * Retrieves the value a custom attribute of a trace is set to.\r\n     * @param attr\r\n     */\r\n    Trace.prototype.getAttribute = function (attr) {\r\n        return this.customAttributes[attr];\r\n    };\r\n    Trace.prototype.removeAttribute = function (attr) {\r\n        if (this.customAttributes[attr] === undefined) {\r\n            return;\r\n        }\r\n        delete this.customAttributes[attr];\r\n    };\r\n    Trace.prototype.getAttributes = function () {\r\n        return tslib.__assign({}, this.customAttributes);\r\n    };\r\n    Trace.prototype.setStartTime = function (startTime) {\r\n        this.startTimeUs = startTime;\r\n    };\r\n    Trace.prototype.setDuration = function (duration) {\r\n        this.durationUs = duration;\r\n    };\r\n    /**\r\n     * Calculates and assigns the duration and start time of the trace using the measure performance\r\n     * entry.\r\n     */\r\n    Trace.prototype.calculateTraceMetrics = function () {\r\n        var perfMeasureEntries = this.api.getEntriesByName(this.traceMeasure);\r\n        var perfMeasureEntry = perfMeasureEntries && perfMeasureEntries[0];\r\n        if (perfMeasureEntry) {\r\n            this.durationUs = Math.floor(perfMeasureEntry.duration * 1000);\r\n            this.startTimeUs = Math.floor((perfMeasureEntry.startTime + this.api.getTimeOrigin()) * 1000);\r\n        }\r\n    };\r\n    /**\r\n     * @param navigationTimings A single element array which contains the navigationTIming object of\r\n     * the page load\r\n     * @param paintTimings A array which contains paintTiming object of the page load\r\n     * @param firstInputDelay First input delay in millisec\r\n     */\r\n    Trace.createOobTrace = function (navigationTimings, paintTimings, firstInputDelay) {\r\n        var route = Api.getInstance().getUrl();\r\n        if (!route) {\r\n            return;\r\n        }\r\n        var trace = new Trace(OOB_TRACE_PAGE_LOAD_PREFIX + route, true);\r\n        var timeOriginUs = Math.floor(Api.getInstance().getTimeOrigin() * 1000);\r\n        trace.setStartTime(timeOriginUs);\r\n        // navigationTimings includes only one element.\r\n        if (navigationTimings && navigationTimings[0]) {\r\n            trace.setDuration(Math.floor(navigationTimings[0].duration * 1000));\r\n            trace.putMetric(\'domInteractive\', Math.floor(navigationTimings[0].domInteractive * 1000));\r\n            trace.putMetric(\'domContentLoadedEventEnd\', Math.floor(navigationTimings[0].domContentLoadedEventEnd * 1000));\r\n            trace.putMetric(\'loadEventEnd\', Math.floor(navigationTimings[0].loadEventEnd * 1000));\r\n        }\r\n        var FIRST_PAINT = \'first-paint\';\r\n        var FIRST_CONTENTFUL_PAINT = \'first-contentful-paint\';\r\n        if (paintTimings) {\r\n            var firstPaint = paintTimings.find(function (paintObject) { return paintObject.name === FIRST_PAINT; });\r\n            if (firstPaint && firstPaint.startTime) {\r\n                trace.putMetric(FIRST_PAINT_COUNTER_NAME, Math.floor(firstPaint.startTime * 1000));\r\n            }\r\n            var firstContentfulPaint = paintTimings.find(function (paintObject) { return paintObject.name === FIRST_CONTENTFUL_PAINT; });\r\n            if (firstContentfulPaint && firstContentfulPaint.startTime) {\r\n                trace.putMetric(FIRST_CONTENTFUL_PAINT_COUNTER_NAME, Math.floor(firstContentfulPaint.startTime * 1000));\r\n            }\r\n            if (firstInputDelay) {\r\n                trace.putMetric(FIRST_INPUT_DELAY_COUNTER_NAME, Math.floor(firstInputDelay * 1000));\r\n            }\r\n        }\r\n        logTrace(trace);\r\n    };\r\n    Trace.createUserTimingTrace = function (measureName) {\r\n        var trace = new Trace(measureName, false, measureName);\r\n        logTrace(trace);\r\n    };\r\n    return Trace;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nfunction createNetworkRequestEntry(entry) {\r\n    var performanceEntry = entry;\r\n    if (!performanceEntry || performanceEntry.responseStart === undefined) {\r\n        return;\r\n    }\r\n    var timeOrigin = Api.getInstance().getTimeOrigin();\r\n    var startTimeUs = Math.floor((performanceEntry.startTime + timeOrigin) * 1000);\r\n    var timeToResponseInitiatedUs = performanceEntry.responseStart\r\n        ? Math.floor((performanceEntry.responseStart - performanceEntry.startTime) * 1000)\r\n        : undefined;\r\n    var timeToResponseCompletedUs = Math.floor((performanceEntry.responseEnd - performanceEntry.startTime) * 1000);\r\n    // Remove the query params from logged network request url.\r\n    var url = performanceEntry.name && performanceEntry.name.split(\'?\')[0];\r\n    var networkRequest = {\r\n        url: url,\r\n        responsePayloadBytes: performanceEntry.transferSize,\r\n        startTimeUs: startTimeUs,\r\n        timeToResponseInitiatedUs: timeToResponseInitiatedUs,\r\n        timeToResponseCompletedUs: timeToResponseCompletedUs\r\n    };\r\n    logNetworkRequest(networkRequest);\r\n}\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nvar FID_WAIT_TIME_MS = 5000;\r\nfunction setupOobResources() {\r\n    // Do not initialize unless iid is available.\r\n    if (!getIid()) {\r\n        return;\r\n    }\r\n    // The load event might not have fired yet, and that means performance navigation timing\r\n    // object has a duration of 0. The setup should run after all current tasks in js queue.\r\n    setTimeout(function () { return setupOobTraces(); }, 0);\r\n    setTimeout(function () { return setupNetworkRequests(); }, 0);\r\n    setTimeout(function () { return setupUserTimingTraces(); }, 0);\r\n}\r\nfunction setupNetworkRequests() {\r\n    var api = Api.getInstance();\r\n    var resources = api.getEntriesByType(\'resource\');\r\n    for (var _i = 0, resources_1 = resources; _i < resources_1.length; _i++) {\r\n        var resource = resources_1[_i];\r\n        createNetworkRequestEntry(resource);\r\n    }\r\n    api.setupObserver(\'resource\', createNetworkRequestEntry);\r\n}\r\nfunction setupOobTraces() {\r\n    var api = Api.getInstance();\r\n    var navigationTimings = api.getEntriesByType(\'navigation\');\r\n    var paintTimings = api.getEntriesByType(\'paint\');\r\n    // If First Input Desly polyfill is added to the page, report the fid value.\r\n    // https://github.com/GoogleChromeLabs/first-input-delay\r\n    if (api.onFirstInputDelay) {\r\n        // If the fid call back is not called for certain time, continue without it.\r\n        // eslint-disable-next-line @typescript-eslint/no-explicit-any\r\n        var timeoutId_1 = setTimeout(function () {\r\n            Trace.createOobTrace(navigationTimings, paintTimings);\r\n            timeoutId_1 = undefined;\r\n        }, FID_WAIT_TIME_MS);\r\n        api.onFirstInputDelay(function (fid) {\r\n            if (timeoutId_1) {\r\n                clearTimeout(timeoutId_1);\r\n                Trace.createOobTrace(navigationTimings, paintTimings, fid);\r\n            }\r\n        });\r\n    }\r\n    else {\r\n        Trace.createOobTrace(navigationTimings, paintTimings);\r\n    }\r\n}\r\nfunction setupUserTimingTraces() {\r\n    var api = Api.getInstance();\r\n    // Run through the measure performance entries collected up to this point.\r\n    var measures = api.getEntriesByType(\'measure\');\r\n    for (var _i = 0, measures_1 = measures; _i < measures_1.length; _i++) {\r\n        var measure = measures_1[_i];\r\n        createUserTimingTrace(measure);\r\n    }\r\n    // Setup an observer to capture the measures from this point on.\r\n    api.setupObserver(\'measure\', createUserTimingTrace);\r\n}\r\nfunction createUserTimingTrace(measure) {\r\n    var measureName = measure.name;\r\n    // Do not create a trace, if the user timing marks and measures are created by the sdk itself.\r\n    if (measureName.substring(0, TRACE_MEASURE_PREFIX.length) ===\r\n        TRACE_MEASURE_PREFIX) {\r\n        return;\r\n    }\r\n    Trace.createUserTimingTrace(measureName);\r\n}\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nvar PerformanceController = /** @class */ (function () {\r\n    function PerformanceController(app) {\r\n        this.app = app;\r\n        if (Api.getInstance().requiredApisAvailable()) {\r\n            util.validateIndexedDBOpenable()\r\n                .then(function (isAvailable) {\r\n                if (isAvailable) {\r\n                    setupTransportService();\r\n                    getInitializationPromise().then(setupOobResources, setupOobResources);\r\n                }\r\n            })\r\n                .catch(function (error) {\r\n                consoleLogger.info("Environment doesn\'t support IndexedDB: " + error);\r\n            });\r\n        }\r\n    }\r\n    PerformanceController.prototype.trace = function (name) {\r\n        return new Trace(name);\r\n    };\r\n    Object.defineProperty(PerformanceController.prototype, "instrumentationEnabled", {\r\n        get: function () {\r\n            return SettingsService.getInstance().instrumentationEnabled;\r\n        },\r\n        set: function (val) {\r\n            SettingsService.getInstance().instrumentationEnabled = val;\r\n        },\r\n        enumerable: false,\r\n        configurable: true\r\n    });\r\n    Object.defineProperty(PerformanceController.prototype, "dataCollectionEnabled", {\r\n        get: function () {\r\n            return SettingsService.getInstance().dataCollectionEnabled;\r\n        },\r\n        set: function (val) {\r\n            SettingsService.getInstance().dataCollectionEnabled = val;\r\n        },\r\n        enumerable: false,\r\n        configurable: true\r\n    });\r\n    return PerformanceController;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nvar DEFAULT_ENTRY_NAME = \'[DEFAULT]\';\r\nfunction registerPerformance(instance) {\r\n    var factoryMethod = function (app, installations) {\r\n        if (app.name !== DEFAULT_ENTRY_NAME) {\r\n            throw ERROR_FACTORY.create("FB not default" /* FB_NOT_DEFAULT */);\r\n        }\r\n        if (typeof window === \'undefined\') {\r\n            throw ERROR_FACTORY.create("no window" /* NO_WINDOW */);\r\n        }\r\n        setupApi(window);\r\n        SettingsService.getInstance().firebaseAppInstance = app;\r\n        SettingsService.getInstance().installationsService = installations;\r\n        return new PerformanceController(app);\r\n    };\r\n    // Register performance with firebase-app.\r\n    instance.INTERNAL.registerComponent(new component.Component(\'performance\', function (container) {\r\n        /* Dependencies */\r\n        // getImmediate for FirebaseApp will always succeed\r\n        var app = container.getProvider(\'app\').getImmediate();\r\n        // The following call will always succeed because perf has `import \'@firebase/installations\'`\r\n        var installations = container\r\n            .getProvider(\'installations\')\r\n            .getImmediate();\r\n        return factoryMethod(app, installations);\r\n    }, "PUBLIC" /* PUBLIC */));\r\n    instance.registerVersion(name, version);\r\n}\r\nregisterPerformance(firebase__default[\'default\']);\n\nexports.registerPerformance = registerPerformance;\n//# sourceMappingURL=index.cjs.js.map\n\n\n//# sourceURL=webpack:///./node_modules/@firebase/performance/dist/index.cjs.js?')},function(module,__webpack_exports__,__webpack_require__){"use strict";eval('__webpack_require__.r(__webpack_exports__);\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "factory", function() { return factory; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "getGlobalVars", function() { return getGlobalVars; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "registerAnalytics", function() { return registerAnalytics; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "resetGlobalVars", function() { return resetGlobalVars; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "settings", function() { return settings; });\n/* harmony import */ var tslib__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(0);\n/* harmony import */ var _firebase_app__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(2);\n/* harmony import */ var _firebase_app__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(_firebase_app__WEBPACK_IMPORTED_MODULE_1__);\n/* harmony import */ var _firebase_installations__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(8);\n/* harmony import */ var _firebase_logger__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(6);\n/* harmony import */ var _firebase_util__WEBPACK_IMPORTED_MODULE_4__ = __webpack_require__(1);\n/* harmony import */ var _firebase_util__WEBPACK_IMPORTED_MODULE_4___default = /*#__PURE__*/__webpack_require__.n(_firebase_util__WEBPACK_IMPORTED_MODULE_4__);\n/* harmony import */ var _firebase_component__WEBPACK_IMPORTED_MODULE_5__ = __webpack_require__(3);\n/* harmony import */ var _firebase_component__WEBPACK_IMPORTED_MODULE_5___default = /*#__PURE__*/__webpack_require__.n(_firebase_component__WEBPACK_IMPORTED_MODULE_5__);\n\n\n\n\n\n\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n// Key to attach FID to in gtag params.\r\nvar GA_FID_KEY = \'firebase_id\';\r\nvar ORIGIN_KEY = \'origin\';\r\nvar FETCH_TIMEOUT_MILLIS = 60 * 1000;\r\nvar DYNAMIC_CONFIG_URL = \'https://firebase.googleapis.com/v1alpha/projects/-/apps/{app-id}/webConfig\';\r\nvar GTAG_URL = \'https://www.googletagmanager.com/gtag/js\';\r\nvar GtagCommand;\r\n(function (GtagCommand) {\r\n    GtagCommand["EVENT"] = "event";\r\n    GtagCommand["SET"] = "set";\r\n    GtagCommand["CONFIG"] = "config";\r\n})(GtagCommand || (GtagCommand = {}));\r\n/*\r\n * Officially recommended event names for gtag.js\r\n * Any other string is also allowed.\r\n */\r\nvar EventName;\r\n(function (EventName) {\r\n    EventName["ADD_SHIPPING_INFO"] = "add_shipping_info";\r\n    EventName["ADD_PAYMENT_INFO"] = "add_payment_info";\r\n    EventName["ADD_TO_CART"] = "add_to_cart";\r\n    EventName["ADD_TO_WISHLIST"] = "add_to_wishlist";\r\n    EventName["BEGIN_CHECKOUT"] = "begin_checkout";\r\n    /** @deprecated */\r\n    EventName["CHECKOUT_PROGRESS"] = "checkout_progress";\r\n    EventName["EXCEPTION"] = "exception";\r\n    EventName["GENERATE_LEAD"] = "generate_lead";\r\n    EventName["LOGIN"] = "login";\r\n    EventName["PAGE_VIEW"] = "page_view";\r\n    EventName["PURCHASE"] = "purchase";\r\n    EventName["REFUND"] = "refund";\r\n    EventName["REMOVE_FROM_CART"] = "remove_from_cart";\r\n    EventName["SCREEN_VIEW"] = "screen_view";\r\n    EventName["SEARCH"] = "search";\r\n    EventName["SELECT_CONTENT"] = "select_content";\r\n    EventName["SELECT_ITEM"] = "select_item";\r\n    EventName["SELECT_PROMOTION"] = "select_promotion";\r\n    /** @deprecated */\r\n    EventName["SET_CHECKOUT_OPTION"] = "set_checkout_option";\r\n    EventName["SHARE"] = "share";\r\n    EventName["SIGN_UP"] = "sign_up";\r\n    EventName["TIMING_COMPLETE"] = "timing_complete";\r\n    EventName["VIEW_CART"] = "view_cart";\r\n    EventName["VIEW_ITEM"] = "view_item";\r\n    EventName["VIEW_ITEM_LIST"] = "view_item_list";\r\n    EventName["VIEW_PROMOTION"] = "view_promotion";\r\n    EventName["VIEW_SEARCH_RESULTS"] = "view_search_results";\r\n})(EventName || (EventName = {}));\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * Logs an analytics event through the Firebase SDK.\r\n *\r\n * @param gtagFunction Wrapped gtag function that waits for fid to be set before sending an event\r\n * @param eventName Google Analytics event name, choose from standard list or use a custom string.\r\n * @param eventParams Analytics event parameters.\r\n */\r\nfunction logEvent(gtagFunction, initializationPromise, eventName, eventParams, options) {\r\n    return Object(tslib__WEBPACK_IMPORTED_MODULE_0__["__awaiter"])(this, void 0, void 0, function () {\r\n        var measurementId, params;\r\n        return Object(tslib__WEBPACK_IMPORTED_MODULE_0__["__generator"])(this, function (_a) {\r\n            switch (_a.label) {\r\n                case 0:\r\n                    if (!(options && options.global)) return [3 /*break*/, 1];\r\n                    gtagFunction(GtagCommand.EVENT, eventName, eventParams);\r\n                    return [2 /*return*/];\r\n                case 1: return [4 /*yield*/, initializationPromise];\r\n                case 2:\r\n                    measurementId = _a.sent();\r\n                    params = Object(tslib__WEBPACK_IMPORTED_MODULE_0__["__assign"])(Object(tslib__WEBPACK_IMPORTED_MODULE_0__["__assign"])({}, eventParams), { \'send_to\': measurementId });\r\n                    gtagFunction(GtagCommand.EVENT, eventName, params);\r\n                    _a.label = 3;\r\n                case 3: return [2 /*return*/];\r\n            }\r\n        });\r\n    });\r\n}\r\n/**\r\n * Set screen_name parameter for this Google Analytics ID.\r\n *\r\n * @param gtagFunction Wrapped gtag function that waits for fid to be set before sending an event\r\n * @param screenName Screen name string to set.\r\n */\r\nfunction setCurrentScreen(gtagFunction, initializationPromise, screenName, options) {\r\n    return Object(tslib__WEBPACK_IMPORTED_MODULE_0__["__awaiter"])(this, void 0, void 0, function () {\r\n        var measurementId;\r\n        return Object(tslib__WEBPACK_IMPORTED_MODULE_0__["__generator"])(this, function (_a) {\r\n            switch (_a.label) {\r\n                case 0:\r\n                    if (!(options && options.global)) return [3 /*break*/, 1];\r\n                    gtagFunction(GtagCommand.SET, { \'screen_name\': screenName });\r\n                    return [2 /*return*/, Promise.resolve()];\r\n                case 1: return [4 /*yield*/, initializationPromise];\r\n                case 2:\r\n                    measurementId = _a.sent();\r\n                    gtagFunction(GtagCommand.CONFIG, measurementId, {\r\n                        update: true,\r\n                        \'screen_name\': screenName\r\n                    });\r\n                    _a.label = 3;\r\n                case 3: return [2 /*return*/];\r\n            }\r\n        });\r\n    });\r\n}\r\n/**\r\n * Set user_id parameter for this Google Analytics ID.\r\n *\r\n * @param gtagFunction Wrapped gtag function that waits for fid to be set before sending an event\r\n * @param id User ID string to set\r\n */\r\nfunction setUserId(gtagFunction, initializationPromise, id, options) {\r\n    return Object(tslib__WEBPACK_IMPORTED_MODULE_0__["__awaiter"])(this, void 0, void 0, function () {\r\n        var measurementId;\r\n        return Object(tslib__WEBPACK_IMPORTED_MODULE_0__["__generator"])(this, function (_a) {\r\n            switch (_a.label) {\r\n                case 0:\r\n                    if (!(options && options.global)) return [3 /*break*/, 1];\r\n                    gtagFunction(GtagCommand.SET, { \'user_id\': id });\r\n                    return [2 /*return*/, Promise.resolve()];\r\n                case 1: return [4 /*yield*/, initializationPromise];\r\n                case 2:\r\n                    measurementId = _a.sent();\r\n                    gtagFunction(GtagCommand.CONFIG, measurementId, {\r\n                        update: true,\r\n                        \'user_id\': id\r\n                    });\r\n                    _a.label = 3;\r\n                case 3: return [2 /*return*/];\r\n            }\r\n        });\r\n    });\r\n}\r\n/**\r\n * Set all other user properties other than user_id and screen_name.\r\n *\r\n * @param gtagFunction Wrapped gtag function that waits for fid to be set before sending an event\r\n * @param properties Map of user properties to set\r\n */\r\nfunction setUserProperties(gtagFunction, initializationPromise, properties, options) {\r\n    return Object(tslib__WEBPACK_IMPORTED_MODULE_0__["__awaiter"])(this, void 0, void 0, function () {\r\n        var flatProperties, _i, _a, key, measurementId;\r\n        return Object(tslib__WEBPACK_IMPORTED_MODULE_0__["__generator"])(this, function (_b) {\r\n            switch (_b.label) {\r\n                case 0:\r\n                    if (!(options && options.global)) return [3 /*break*/, 1];\r\n                    flatProperties = {};\r\n                    for (_i = 0, _a = Object.keys(properties); _i < _a.length; _i++) {\r\n                        key = _a[_i];\r\n                        // use dot notation for merge behavior in gtag.js\r\n                        flatProperties["user_properties." + key] = properties[key];\r\n                    }\r\n                    gtagFunction(GtagCommand.SET, flatProperties);\r\n                    return [2 /*return*/, Promise.resolve()];\r\n                case 1: return [4 /*yield*/, initializationPromise];\r\n                case 2:\r\n                    measurementId = _b.sent();\r\n                    gtagFunction(GtagCommand.CONFIG, measurementId, {\r\n                        update: true,\r\n                        \'user_properties\': properties\r\n                    });\r\n                    _b.label = 3;\r\n                case 3: return [2 /*return*/];\r\n            }\r\n        });\r\n    });\r\n}\r\n/**\r\n * Set whether collection is enabled for this ID.\r\n *\r\n * @param enabled If true, collection is enabled for this ID.\r\n */\r\nfunction setAnalyticsCollectionEnabled(initializationPromise, enabled) {\r\n    return Object(tslib__WEBPACK_IMPORTED_MODULE_0__["__awaiter"])(this, void 0, void 0, function () {\r\n        var measurementId;\r\n        return Object(tslib__WEBPACK_IMPORTED_MODULE_0__["__generator"])(this, function (_a) {\r\n            switch (_a.label) {\r\n                case 0: return [4 /*yield*/, initializationPromise];\r\n                case 1:\r\n                    measurementId = _a.sent();\r\n                    window["ga-disable-" + measurementId] = !enabled;\r\n                    return [2 /*return*/];\r\n            }\r\n        });\r\n    });\r\n}\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nvar logger = new _firebase_logger__WEBPACK_IMPORTED_MODULE_3__["Logger"](\'@firebase/analytics\');\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * Inserts gtag script tag into the page to asynchronously download gtag.\r\n * @param dataLayerName Name of datalayer (most often the default, "_dataLayer").\r\n */\r\nfunction insertScriptTag(dataLayerName) {\r\n    var script = document.createElement(\'script\');\r\n    // We are not providing an analyticsId in the URL because it would trigger a `page_view`\r\n    // without fid. We will initialize ga-id using gtag (config) command together with fid.\r\n    script.src = GTAG_URL + "?l=" + dataLayerName;\r\n    script.async = true;\r\n    document.head.appendChild(script);\r\n}\r\n/**\r\n * Get reference to, or create, global datalayer.\r\n * @param dataLayerName Name of datalayer (most often the default, "_dataLayer").\r\n */\r\nfunction getOrCreateDataLayer(dataLayerName) {\r\n    // Check for existing dataLayer and create if needed.\r\n    var dataLayer = [];\r\n    if (Array.isArray(window[dataLayerName])) {\r\n        dataLayer = window[dataLayerName];\r\n    }\r\n    else {\r\n        window[dataLayerName] = dataLayer;\r\n    }\r\n    return dataLayer;\r\n}\r\n/**\r\n * Wrapped gtag logic when gtag is called with \'config\' command.\r\n *\r\n * @param gtagCore Basic gtag function that just appends to dataLayer.\r\n * @param initializationPromisesMap Map of appIds to their initialization promises.\r\n * @param dynamicConfigPromisesList Array of dynamic config fetch promises.\r\n * @param measurementIdToAppId Map of GA measurementIDs to corresponding Firebase appId.\r\n * @param measurementId GA Measurement ID to set config for.\r\n * @param gtagParams Gtag config params to set.\r\n */\r\nfunction gtagOnConfig(gtagCore, initializationPromisesMap, dynamicConfigPromisesList, measurementIdToAppId, measurementId, gtagParams) {\r\n    return Object(tslib__WEBPACK_IMPORTED_MODULE_0__["__awaiter"])(this, void 0, void 0, function () {\r\n        var correspondingAppId, dynamicConfigResults, foundConfig, e_1;\r\n        return Object(tslib__WEBPACK_IMPORTED_MODULE_0__["__generator"])(this, function (_a) {\r\n            switch (_a.label) {\r\n                case 0:\r\n                    correspondingAppId = measurementIdToAppId[measurementId];\r\n                    _a.label = 1;\r\n                case 1:\r\n                    _a.trys.push([1, 7, , 8]);\r\n                    if (!correspondingAppId) return [3 /*break*/, 3];\r\n                    return [4 /*yield*/, initializationPromisesMap[correspondingAppId]];\r\n                case 2:\r\n                    _a.sent();\r\n                    return [3 /*break*/, 6];\r\n                case 3: return [4 /*yield*/, Promise.all(dynamicConfigPromisesList)];\r\n                case 4:\r\n                    dynamicConfigResults = _a.sent();\r\n                    foundConfig = dynamicConfigResults.find(function (config) { return config.measurementId === measurementId; });\r\n                    if (!foundConfig) return [3 /*break*/, 6];\r\n                    return [4 /*yield*/, initializationPromisesMap[foundConfig.appId]];\r\n                case 5:\r\n                    _a.sent();\r\n                    _a.label = 6;\r\n                case 6: return [3 /*break*/, 8];\r\n                case 7:\r\n                    e_1 = _a.sent();\r\n                    logger.error(e_1);\r\n                    return [3 /*break*/, 8];\r\n                case 8:\r\n                    gtagCore(GtagCommand.CONFIG, measurementId, gtagParams);\r\n                    return [2 /*return*/];\r\n            }\r\n        });\r\n    });\r\n}\r\n/**\r\n * Wrapped gtag logic when gtag is called with \'event\' command.\r\n *\r\n * @param gtagCore Basic gtag function that just appends to dataLayer.\r\n * @param initializationPromisesMap Map of appIds to their initialization promises.\r\n * @param dynamicConfigPromisesList Array of dynamic config fetch promises.\r\n * @param measurementId GA Measurement ID to log event to.\r\n * @param gtagParams Params to log with this event.\r\n */\r\nfunction gtagOnEvent(gtagCore, initializationPromisesMap, dynamicConfigPromisesList, measurementId, gtagParams) {\r\n    return Object(tslib__WEBPACK_IMPORTED_MODULE_0__["__awaiter"])(this, void 0, void 0, function () {\r\n        var initializationPromisesToWaitFor, gaSendToList, dynamicConfigResults, _loop_1, _i, gaSendToList_1, sendToId, state_1, e_2;\r\n        return Object(tslib__WEBPACK_IMPORTED_MODULE_0__["__generator"])(this, function (_a) {\r\n            switch (_a.label) {\r\n                case 0:\r\n                    _a.trys.push([0, 4, , 5]);\r\n                    initializationPromisesToWaitFor = [];\r\n                    if (!(gtagParams && gtagParams[\'send_to\'])) return [3 /*break*/, 2];\r\n                    gaSendToList = gtagParams[\'send_to\'];\r\n                    // Make it an array if is isn\'t, so it can be dealt with the same way.\r\n                    if (!Array.isArray(gaSendToList)) {\r\n                        gaSendToList = [gaSendToList];\r\n                    }\r\n                    return [4 /*yield*/, Promise.all(dynamicConfigPromisesList)];\r\n                case 1:\r\n                    dynamicConfigResults = _a.sent();\r\n                    _loop_1 = function (sendToId) {\r\n                        // Any fetched dynamic measurement ID that matches this \'send_to\' ID\r\n                        var foundConfig = dynamicConfigResults.find(function (config) { return config.measurementId === sendToId; });\r\n                        var initializationPromise = foundConfig && initializationPromisesMap[foundConfig.appId];\r\n                        if (initializationPromise) {\r\n                            initializationPromisesToWaitFor.push(initializationPromise);\r\n                        }\r\n                        else {\r\n                            // Found an item in \'send_to\' that is not associated\r\n                            // directly with an FID, possibly a group.  Empty this array,\r\n                            // exit the loop early, and let it get populated below.\r\n                            initializationPromisesToWaitFor = [];\r\n                            return "break";\r\n                        }\r\n                    };\r\n                    for (_i = 0, gaSendToList_1 = gaSendToList; _i < gaSendToList_1.length; _i++) {\r\n                        sendToId = gaSendToList_1[_i];\r\n                        state_1 = _loop_1(sendToId);\r\n                        if (state_1 === "break")\r\n                            break;\r\n                    }\r\n                    _a.label = 2;\r\n                case 2:\r\n                    // This will be unpopulated if there was no \'send_to\' field , or\r\n                    // if not all entries in the \'send_to\' field could be mapped to\r\n                    // a FID. In these cases, wait on all pending initialization promises.\r\n                    if (initializationPromisesToWaitFor.length === 0) {\r\n                        initializationPromisesToWaitFor = Object.values(initializationPromisesMap);\r\n                    }\r\n                    // Run core gtag function with args after all relevant initialization\r\n                    // promises have been resolved.\r\n                    return [4 /*yield*/, Promise.all(initializationPromisesToWaitFor)];\r\n                case 3:\r\n                    // Run core gtag function with args after all relevant initialization\r\n                    // promises have been resolved.\r\n                    _a.sent();\r\n                    // Workaround for http://b/141370449 - third argument cannot be undefined.\r\n                    gtagCore(GtagCommand.EVENT, measurementId, gtagParams || {});\r\n                    return [3 /*break*/, 5];\r\n                case 4:\r\n                    e_2 = _a.sent();\r\n                    logger.error(e_2);\r\n                    return [3 /*break*/, 5];\r\n                case 5: return [2 /*return*/];\r\n            }\r\n        });\r\n    });\r\n}\r\n/**\r\n * Wraps a standard gtag function with extra code to wait for completion of\r\n * relevant initialization promises before sending requests.\r\n *\r\n * @param gtagCore Basic gtag function that just appends to dataLayer.\r\n * @param initializationPromisesMap Map of appIds to their initialization promises.\r\n * @param dynamicConfigPromisesList Array of dynamic config fetch promises.\r\n * @param measurementIdToAppId Map of GA measurementIDs to corresponding Firebase appId.\r\n */\r\nfunction wrapGtag(gtagCore, \r\n/**\r\n * Allows wrapped gtag calls to wait on whichever intialization promises are required,\r\n * depending on the contents of the gtag params\' `send_to` field, if any.\r\n */\r\ninitializationPromisesMap, \r\n/**\r\n * Wrapped gtag calls sometimes require all dynamic config fetches to have returned\r\n * before determining what initialization promises (which include FIDs) to wait for.\r\n */\r\ndynamicConfigPromisesList, \r\n/**\r\n * Wrapped gtag config calls can narrow down which initialization promise (with FID)\r\n * to wait for if the measurementId is already fetched, by getting the corresponding appId,\r\n * which is the key for the initialization promises map.\r\n */\r\nmeasurementIdToAppId) {\r\n    /**\r\n     * Wrapper around gtag that ensures FID is sent with gtag calls.\r\n     * @param command Gtag command type.\r\n     * @param idOrNameOrParams Measurement ID if command is EVENT/CONFIG, params if command is SET.\r\n     * @param gtagParams Params if event is EVENT/CONFIG.\r\n     */\r\n    function gtagWrapper(command, idOrNameOrParams, gtagParams) {\r\n        return Object(tslib__WEBPACK_IMPORTED_MODULE_0__["__awaiter"])(this, void 0, void 0, function () {\r\n            var e_3;\r\n            return Object(tslib__WEBPACK_IMPORTED_MODULE_0__["__generator"])(this, function (_a) {\r\n                switch (_a.label) {\r\n                    case 0:\r\n                        _a.trys.push([0, 6, , 7]);\r\n                        if (!(command === GtagCommand.EVENT)) return [3 /*break*/, 2];\r\n                        // If EVENT, second arg must be measurementId.\r\n                        return [4 /*yield*/, gtagOnEvent(gtagCore, initializationPromisesMap, dynamicConfigPromisesList, idOrNameOrParams, gtagParams)];\r\n                    case 1:\r\n                        // If EVENT, second arg must be measurementId.\r\n                        _a.sent();\r\n                        return [3 /*break*/, 5];\r\n                    case 2:\r\n                        if (!(command === GtagCommand.CONFIG)) return [3 /*break*/, 4];\r\n                        // If CONFIG, second arg must be measurementId.\r\n                        return [4 /*yield*/, gtagOnConfig(gtagCore, initializationPromisesMap, dynamicConfigPromisesList, measurementIdToAppId, idOrNameOrParams, gtagParams)];\r\n                    case 3:\r\n                        // If CONFIG, second arg must be measurementId.\r\n                        _a.sent();\r\n                        return [3 /*break*/, 5];\r\n                    case 4:\r\n                        // If SET, second arg must be params.\r\n                        gtagCore(GtagCommand.SET, idOrNameOrParams);\r\n                        _a.label = 5;\r\n                    case 5: return [3 /*break*/, 7];\r\n                    case 6:\r\n                        e_3 = _a.sent();\r\n                        logger.error(e_3);\r\n                        return [3 /*break*/, 7];\r\n                    case 7: return [2 /*return*/];\r\n                }\r\n            });\r\n        });\r\n    }\r\n    return gtagWrapper;\r\n}\r\n/**\r\n * Creates global gtag function or wraps existing one if found.\r\n * This wrapped function attaches Firebase instance ID (FID) to gtag \'config\' and\r\n * \'event\' calls that belong to the GAID associated with this Firebase instance.\r\n *\r\n * @param initializationPromisesMap Map of appIds to their initialization promises.\r\n * @param dynamicConfigPromisesList Array of dynamic config fetch promises.\r\n * @param measurementIdToAppId Map of GA measurementIDs to corresponding Firebase appId.\r\n * @param dataLayerName Name of global GA datalayer array.\r\n * @param gtagFunctionName Name of global gtag function ("gtag" if not user-specified).\r\n */\r\nfunction wrapOrCreateGtag(initializationPromisesMap, dynamicConfigPromisesList, measurementIdToAppId, dataLayerName, gtagFunctionName) {\r\n    // Create a basic core gtag function\r\n    var gtagCore = function () {\r\n        var _args = [];\r\n        for (var _i = 0; _i < arguments.length; _i++) {\r\n            _args[_i] = arguments[_i];\r\n        }\r\n        // Must push IArguments object, not an array.\r\n        window[dataLayerName].push(arguments);\r\n    };\r\n    // Replace it with existing one if found\r\n    if (window[gtagFunctionName] &&\r\n        typeof window[gtagFunctionName] === \'function\') {\r\n        // @ts-ignore\r\n        gtagCore = window[gtagFunctionName];\r\n    }\r\n    window[gtagFunctionName] = wrapGtag(gtagCore, initializationPromisesMap, dynamicConfigPromisesList, measurementIdToAppId);\r\n    return {\r\n        gtagCore: gtagCore,\r\n        wrappedGtag: window[gtagFunctionName]\r\n    };\r\n}\r\n/**\r\n * Returns first script tag in DOM matching our gtag url pattern.\r\n */\r\nfunction findGtagScriptOnPage() {\r\n    var scriptTags = window.document.getElementsByTagName(\'script\');\r\n    for (var _i = 0, _a = Object.values(scriptTags); _i < _a.length; _i++) {\r\n        var tag = _a[_i];\r\n        if (tag.src && tag.src.includes(GTAG_URL)) {\r\n            return tag;\r\n        }\r\n    }\r\n    return null;\r\n}\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nvar _a;\r\nvar ERRORS = (_a = {},\r\n    _a["already-exists" /* ALREADY_EXISTS */] = \'A Firebase Analytics instance with the appId {$id} \' +\r\n        \' already exists. \' +\r\n        \'Only one Firebase Analytics instance can be created for each appId.\',\r\n    _a["already-initialized" /* ALREADY_INITIALIZED */] = \'Firebase Analytics has already been initialized.\' +\r\n        \'settings() must be called before initializing any Analytics instance\' +\r\n        \'or it will have no effect.\',\r\n    _a["interop-component-reg-failed" /* INTEROP_COMPONENT_REG_FAILED */] = \'Firebase Analytics Interop Component failed to instantiate: {$reason}\',\r\n    _a["invalid-analytics-context" /* INVALID_ANALYTICS_CONTEXT */] = \'Firebase Analytics is not supported in this environment. \' +\r\n        \'Wrap initialization of analytics in analytics.isSupported() \' +\r\n        \'to prevent initialization in unsupported environments. Details: {$errorInfo}\',\r\n    _a["indexeddb-unavailable" /* INDEXEDDB_UNAVAILABLE */] = \'IndexedDB unavailable or restricted in this environment. \' +\r\n        \'Wrap initialization of analytics in analytics.isSupported() \' +\r\n        \'to prevent initialization in unsupported environments. Details: {$errorInfo}\',\r\n    _a["fetch-throttle" /* FETCH_THROTTLE */] = \'The config fetch request timed out while in an exponential backoff state.\' +\r\n        \' Unix timestamp in milliseconds when fetch request throttling ends: {$throttleEndTimeMillis}.\',\r\n    _a["config-fetch-failed" /* CONFIG_FETCH_FAILED */] = \'Dynamic config fetch failed: [{$httpStatus}] {$responseMessage}\',\r\n    _a["no-api-key" /* NO_API_KEY */] = \'The "apiKey" field is empty in the local Firebase config. Firebase Analytics requires this field to\' +\r\n        \'contain a valid API key.\',\r\n    _a["no-app-id" /* NO_APP_ID */] = \'The "appId" field is empty in the local Firebase config. Firebase Analytics requires this field to\' +\r\n        \'contain a valid app ID.\',\r\n    _a);\r\nvar ERROR_FACTORY = new _firebase_util__WEBPACK_IMPORTED_MODULE_4__["ErrorFactory"](\'analytics\', \'Analytics\', ERRORS);\n\n/**\r\n * @license\r\n * Copyright 2020 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * Backoff factor for 503 errors, which we want to be conservative about\r\n * to avoid overloading servers. Each retry interval will be\r\n * BASE_INTERVAL_MILLIS * LONG_RETRY_FACTOR ^ retryCount, so the second one\r\n * will be ~30 seconds (with fuzzing).\r\n */\r\nvar LONG_RETRY_FACTOR = 30;\r\n/**\r\n * Base wait interval to multiplied by backoffFactor^backoffCount.\r\n */\r\nvar BASE_INTERVAL_MILLIS = 1000;\r\n/**\r\n * Stubbable retry data storage class.\r\n */\r\nvar RetryData = /** @class */ (function () {\r\n    function RetryData(throttleMetadata, intervalMillis) {\r\n        if (throttleMetadata === void 0) { throttleMetadata = {}; }\r\n        if (intervalMillis === void 0) { intervalMillis = BASE_INTERVAL_MILLIS; }\r\n        this.throttleMetadata = throttleMetadata;\r\n        this.intervalMillis = intervalMillis;\r\n    }\r\n    RetryData.prototype.getThrottleMetadata = function (appId) {\r\n        return this.throttleMetadata[appId];\r\n    };\r\n    RetryData.prototype.setThrottleMetadata = function (appId, metadata) {\r\n        this.throttleMetadata[appId] = metadata;\r\n    };\r\n    RetryData.prototype.deleteThrottleMetadata = function (appId) {\r\n        delete this.throttleMetadata[appId];\r\n    };\r\n    return RetryData;\r\n}());\r\nvar defaultRetryData = new RetryData();\r\n/**\r\n * Set GET request headers.\r\n * @param apiKey App API key.\r\n */\r\nfunction getHeaders(apiKey) {\r\n    return new Headers({\r\n        Accept: \'application/json\',\r\n        \'x-goog-api-key\': apiKey\r\n    });\r\n}\r\n/**\r\n * Fetches dynamic config from backend.\r\n * @param app Firebase app to fetch config for.\r\n */\r\nfunction fetchDynamicConfig(appFields) {\r\n    var _a;\r\n    return Object(tslib__WEBPACK_IMPORTED_MODULE_0__["__awaiter"])(this, void 0, void 0, function () {\r\n        var appId, apiKey, request, appUrl, response, errorMessage, jsonResponse, _ignored_1;\r\n        return Object(tslib__WEBPACK_IMPORTED_MODULE_0__["__generator"])(this, function (_b) {\r\n            switch (_b.label) {\r\n                case 0:\r\n                    appId = appFields.appId, apiKey = appFields.apiKey;\r\n                    request = {\r\n                        method: \'GET\',\r\n                        headers: getHeaders(apiKey)\r\n                    };\r\n                    appUrl = DYNAMIC_CONFIG_URL.replace(\'{app-id}\', appId);\r\n                    return [4 /*yield*/, fetch(appUrl, request)];\r\n                case 1:\r\n                    response = _b.sent();\r\n                    if (!(response.status !== 200 && response.status !== 304)) return [3 /*break*/, 6];\r\n                    errorMessage = \'\';\r\n                    _b.label = 2;\r\n                case 2:\r\n                    _b.trys.push([2, 4, , 5]);\r\n                    return [4 /*yield*/, response.json()];\r\n                case 3:\r\n                    jsonResponse = (_b.sent());\r\n                    if ((_a = jsonResponse.error) === null || _a === void 0 ? void 0 : _a.message) {\r\n                        errorMessage = jsonResponse.error.message;\r\n                    }\r\n                    return [3 /*break*/, 5];\r\n                case 4:\r\n                    _ignored_1 = _b.sent();\r\n                    return [3 /*break*/, 5];\r\n                case 5: throw ERROR_FACTORY.create("config-fetch-failed" /* CONFIG_FETCH_FAILED */, {\r\n                    httpStatus: response.status,\r\n                    responseMessage: errorMessage\r\n                });\r\n                case 6: return [2 /*return*/, response.json()];\r\n            }\r\n        });\r\n    });\r\n}\r\n/**\r\n * Fetches dynamic config from backend, retrying if failed.\r\n * @param app Firebase app to fetch config for.\r\n */\r\nfunction fetchDynamicConfigWithRetry(app, \r\n// retryData and timeoutMillis are parameterized to allow passing a different value for testing.\r\nretryData, timeoutMillis) {\r\n    if (retryData === void 0) { retryData = defaultRetryData; }\r\n    return Object(tslib__WEBPACK_IMPORTED_MODULE_0__["__awaiter"])(this, void 0, void 0, function () {\r\n        var _a, appId, apiKey, measurementId, throttleMetadata, signal;\r\n        var _this = this;\r\n        return Object(tslib__WEBPACK_IMPORTED_MODULE_0__["__generator"])(this, function (_b) {\r\n            _a = app.options, appId = _a.appId, apiKey = _a.apiKey, measurementId = _a.measurementId;\r\n            if (!appId) {\r\n                throw ERROR_FACTORY.create("no-app-id" /* NO_APP_ID */);\r\n            }\r\n            if (!apiKey) {\r\n                if (measurementId) {\r\n                    return [2 /*return*/, {\r\n                            measurementId: measurementId,\r\n                            appId: appId\r\n                        }];\r\n                }\r\n                throw ERROR_FACTORY.create("no-api-key" /* NO_API_KEY */);\r\n            }\r\n            throttleMetadata = retryData.getThrottleMetadata(appId) || {\r\n                backoffCount: 0,\r\n                throttleEndTimeMillis: Date.now()\r\n            };\r\n            signal = new AnalyticsAbortSignal();\r\n            setTimeout(function () { return Object(tslib__WEBPACK_IMPORTED_MODULE_0__["__awaiter"])(_this, void 0, void 0, function () {\r\n                return Object(tslib__WEBPACK_IMPORTED_MODULE_0__["__generator"])(this, function (_a) {\r\n                    // Note a very low delay, eg < 10ms, can elapse before listeners are initialized.\r\n                    signal.abort();\r\n                    return [2 /*return*/];\r\n                });\r\n            }); }, timeoutMillis !== undefined ? timeoutMillis : FETCH_TIMEOUT_MILLIS);\r\n            return [2 /*return*/, attemptFetchDynamicConfigWithRetry({ appId: appId, apiKey: apiKey, measurementId: measurementId }, throttleMetadata, signal, retryData)];\r\n        });\r\n    });\r\n}\r\n/**\r\n * Runs one retry attempt.\r\n * @param appFields Necessary app config fields.\r\n * @param throttleMetadata Ongoing metadata to determine throttling times.\r\n * @param signal Abort signal.\r\n */\r\nfunction attemptFetchDynamicConfigWithRetry(appFields, _a, signal, retryData // for testing\r\n) {\r\n    var throttleEndTimeMillis = _a.throttleEndTimeMillis, backoffCount = _a.backoffCount;\r\n    if (retryData === void 0) { retryData = defaultRetryData; }\r\n    return Object(tslib__WEBPACK_IMPORTED_MODULE_0__["__awaiter"])(this, void 0, void 0, function () {\r\n        var appId, measurementId, e_1, response, e_2, backoffMillis, throttleMetadata;\r\n        return Object(tslib__WEBPACK_IMPORTED_MODULE_0__["__generator"])(this, function (_b) {\r\n            switch (_b.label) {\r\n                case 0:\r\n                    appId = appFields.appId, measurementId = appFields.measurementId;\r\n                    _b.label = 1;\r\n                case 1:\r\n                    _b.trys.push([1, 3, , 4]);\r\n                    return [4 /*yield*/, setAbortableTimeout(signal, throttleEndTimeMillis)];\r\n                case 2:\r\n                    _b.sent();\r\n                    return [3 /*break*/, 4];\r\n                case 3:\r\n                    e_1 = _b.sent();\r\n                    if (measurementId) {\r\n                        logger.warn("Timed out fetching this Firebase app\'s measurement ID from the server." +\r\n                            (" Falling back to the measurement ID " + measurementId) +\r\n                            (" provided in the \\"measurementId\\" field in the local Firebase config. [" + e_1.message + "]"));\r\n                        return [2 /*return*/, { appId: appId, measurementId: measurementId }];\r\n                    }\r\n                    throw e_1;\r\n                case 4:\r\n                    _b.trys.push([4, 6, , 7]);\r\n                    return [4 /*yield*/, fetchDynamicConfig(appFields)];\r\n                case 5:\r\n                    response = _b.sent();\r\n                    // Note the SDK only clears throttle state if response is success or non-retriable.\r\n                    retryData.deleteThrottleMetadata(appId);\r\n                    return [2 /*return*/, response];\r\n                case 6:\r\n                    e_2 = _b.sent();\r\n                    if (!isRetriableError(e_2)) {\r\n                        retryData.deleteThrottleMetadata(appId);\r\n                        if (measurementId) {\r\n                            logger.warn("Failed to fetch this Firebase app\'s measurement ID from the server." +\r\n                                (" Falling back to the measurement ID " + measurementId) +\r\n                                (" provided in the \\"measurementId\\" field in the local Firebase config. [" + e_2.message + "]"));\r\n                            return [2 /*return*/, { appId: appId, measurementId: measurementId }];\r\n                        }\r\n                        else {\r\n                            throw e_2;\r\n                        }\r\n                    }\r\n                    backoffMillis = Number(e_2.httpStatus) === 503\r\n                        ? Object(_firebase_util__WEBPACK_IMPORTED_MODULE_4__["calculateBackoffMillis"])(backoffCount, retryData.intervalMillis, LONG_RETRY_FACTOR)\r\n                        : Object(_firebase_util__WEBPACK_IMPORTED_MODULE_4__["calculateBackoffMillis"])(backoffCount, retryData.intervalMillis);\r\n                    throttleMetadata = {\r\n                        throttleEndTimeMillis: Date.now() + backoffMillis,\r\n                        backoffCount: backoffCount + 1\r\n                    };\r\n                    // Persists state.\r\n                    retryData.setThrottleMetadata(appId, throttleMetadata);\r\n                    logger.debug("Calling attemptFetch again in " + backoffMillis + " millis");\r\n                    return [2 /*return*/, attemptFetchDynamicConfigWithRetry(appFields, throttleMetadata, signal, retryData)];\r\n                case 7: return [2 /*return*/];\r\n            }\r\n        });\r\n    });\r\n}\r\n/**\r\n * Supports waiting on a backoff by:\r\n *\r\n * <ul>\r\n *   <li>Promisifying setTimeout, so we can set a timeout in our Promise chain</li>\r\n *   <li>Listening on a signal bus for abort events, just like the Fetch API</li>\r\n *   <li>Failing in the same way the Fetch API fails, so timing out a live request and a throttled\r\n *       request appear the same.</li>\r\n * </ul>\r\n *\r\n * <p>Visible for testing.\r\n */\r\nfunction setAbortableTimeout(signal, throttleEndTimeMillis) {\r\n    return new Promise(function (resolve, reject) {\r\n        // Derives backoff from given end time, normalizing negative numbers to zero.\r\n        var backoffMillis = Math.max(throttleEndTimeMillis - Date.now(), 0);\r\n        var timeout = setTimeout(resolve, backoffMillis);\r\n        // Adds listener, rather than sets onabort, because signal is a shared object.\r\n        signal.addEventListener(function () {\r\n            clearTimeout(timeout);\r\n            // If the request completes before this timeout, the rejection has no effect.\r\n            reject(ERROR_FACTORY.create("fetch-throttle" /* FETCH_THROTTLE */, {\r\n                throttleEndTimeMillis: throttleEndTimeMillis\r\n            }));\r\n        });\r\n    });\r\n}\r\n/**\r\n * Returns true if the {@link Error} indicates a fetch request may succeed later.\r\n */\r\nfunction isRetriableError(e) {\r\n    if (!(e instanceof _firebase_util__WEBPACK_IMPORTED_MODULE_4__["FirebaseError"])) {\r\n        return false;\r\n    }\r\n    // Uses string index defined by ErrorData, which FirebaseError implements.\r\n    var httpStatus = Number(e[\'httpStatus\']);\r\n    return (httpStatus === 429 ||\r\n        httpStatus === 500 ||\r\n        httpStatus === 503 ||\r\n        httpStatus === 504);\r\n}\r\n/**\r\n * Shims a minimal AbortSignal (copied from Remote Config).\r\n *\r\n * <p>AbortController\'s AbortSignal conveniently decouples fetch timeout logic from other aspects\r\n * of networking, such as retries. Firebase doesn\'t use AbortController enough to justify a\r\n * polyfill recommendation, like we do with the Fetch API, but this minimal shim can easily be\r\n * swapped out if/when we do.\r\n */\r\nvar AnalyticsAbortSignal = /** @class */ (function () {\r\n    function AnalyticsAbortSignal() {\r\n        this.listeners = [];\r\n    }\r\n    AnalyticsAbortSignal.prototype.addEventListener = function (listener) {\r\n        this.listeners.push(listener);\r\n    };\r\n    AnalyticsAbortSignal.prototype.abort = function () {\r\n        this.listeners.forEach(function (listener) { return listener(); });\r\n    };\r\n    return AnalyticsAbortSignal;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2020 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nfunction validateIndexedDB() {\r\n    return Object(tslib__WEBPACK_IMPORTED_MODULE_0__["__awaiter"])(this, void 0, void 0, function () {\r\n        var e_1;\r\n        return Object(tslib__WEBPACK_IMPORTED_MODULE_0__["__generator"])(this, function (_a) {\r\n            switch (_a.label) {\r\n                case 0:\r\n                    if (!!Object(_firebase_util__WEBPACK_IMPORTED_MODULE_4__["isIndexedDBAvailable"])()) return [3 /*break*/, 1];\r\n                    logger.warn(ERROR_FACTORY.create("indexeddb-unavailable" /* INDEXEDDB_UNAVAILABLE */, {\r\n                        errorInfo: \'IndexedDB is not available in this environment.\'\r\n                    }).message);\r\n                    return [2 /*return*/, false];\r\n                case 1:\r\n                    _a.trys.push([1, 3, , 4]);\r\n                    return [4 /*yield*/, Object(_firebase_util__WEBPACK_IMPORTED_MODULE_4__["validateIndexedDBOpenable"])()];\r\n                case 2:\r\n                    _a.sent();\r\n                    return [3 /*break*/, 4];\r\n                case 3:\r\n                    e_1 = _a.sent();\r\n                    logger.warn(ERROR_FACTORY.create("indexeddb-unavailable" /* INDEXEDDB_UNAVAILABLE */, {\r\n                        errorInfo: e_1\r\n                    }).message);\r\n                    return [2 /*return*/, false];\r\n                case 4: return [2 /*return*/, true];\r\n            }\r\n        });\r\n    });\r\n}\r\n/**\r\n * Initialize the analytics instance in gtag.js by calling config command with fid.\r\n *\r\n * NOTE: We combine analytics initialization and setting fid together because we want fid to be\r\n * part of the `page_view` event that\'s sent during the initialization\r\n * @param app Firebase app\r\n * @param gtagCore The gtag function that\'s not wrapped.\r\n * @param dynamicConfigPromisesList Array of all dynamic config promises.\r\n * @param measurementIdToAppId Maps measurementID to appID.\r\n * @param installations FirebaseInstallations instance.\r\n *\r\n * @returns Measurement ID.\r\n */\r\nfunction initializeIds(app, dynamicConfigPromisesList, measurementIdToAppId, installations, gtagCore) {\r\n    return Object(tslib__WEBPACK_IMPORTED_MODULE_0__["__awaiter"])(this, void 0, void 0, function () {\r\n        var dynamicConfigPromise, fidPromise, _a, dynamicConfig, fid, configProperties;\r\n        var _b;\r\n        return Object(tslib__WEBPACK_IMPORTED_MODULE_0__["__generator"])(this, function (_c) {\r\n            switch (_c.label) {\r\n                case 0:\r\n                    dynamicConfigPromise = fetchDynamicConfigWithRetry(app);\r\n                    // Once fetched, map measurementIds to appId, for ease of lookup in wrapped gtag function.\r\n                    dynamicConfigPromise\r\n                        .then(function (config) {\r\n                        measurementIdToAppId[config.measurementId] = config.appId;\r\n                        if (app.options.measurementId &&\r\n                            config.measurementId !== app.options.measurementId) {\r\n                            logger.warn("The measurement ID in the local Firebase config (" + app.options.measurementId + ")" +\r\n                                (" does not match the measurement ID fetched from the server (" + config.measurementId + ").") +\r\n                                " To ensure analytics events are always sent to the correct Analytics property," +\r\n                                " update the" +\r\n                                " measurement ID field in the local config or remove it from the local config.");\r\n                        }\r\n                    })\r\n                        .catch(function (e) { return logger.error(e); });\r\n                    // Add to list to track state of all dynamic config promises.\r\n                    dynamicConfigPromisesList.push(dynamicConfigPromise);\r\n                    fidPromise = validateIndexedDB().then(function (envIsValid) {\r\n                        if (envIsValid) {\r\n                            return installations.getId();\r\n                        }\r\n                        else {\r\n                            return undefined;\r\n                        }\r\n                    });\r\n                    return [4 /*yield*/, Promise.all([\r\n                            dynamicConfigPromise,\r\n                            fidPromise\r\n                        ])];\r\n                case 1:\r\n                    _a = _c.sent(), dynamicConfig = _a[0], fid = _a[1];\r\n                    // This command initializes gtag.js and only needs to be called once for the entire web app,\r\n                    // but since it is idempotent, we can call it multiple times.\r\n                    // We keep it together with other initialization logic for better code structure.\r\n                    // eslint-disable-next-line @typescript-eslint/no-explicit-any\r\n                    gtagCore(\'js\', new Date());\r\n                    configProperties = (_b = {},\r\n                        // guard against developers accidentally setting properties with prefix `firebase_`\r\n                        _b[ORIGIN_KEY] = \'firebase\',\r\n                        _b.update = true,\r\n                        _b);\r\n                    if (fid != null) {\r\n                        configProperties[GA_FID_KEY] = fid;\r\n                    }\r\n                    // It should be the first config command called on this GA-ID\r\n                    // Initialize this GA-ID and set FID on it using the gtag config API.\r\n                    gtagCore(GtagCommand.CONFIG, dynamicConfig.measurementId, configProperties);\r\n                    return [2 /*return*/, dynamicConfig.measurementId];\r\n            }\r\n        });\r\n    });\r\n}\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the "License");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an "AS IS" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * Maps appId to full initialization promise. Wrapped gtag calls must wait on\r\n * all or some of these, depending on the call\'s `send_to` param and the status\r\n * of the dynamic config fetches (see below).\r\n */\r\nvar initializationPromisesMap = {};\r\n/**\r\n * List of dynamic config fetch promises. In certain cases, wrapped gtag calls\r\n * wait on all these to be complete in order to determine if it can selectively\r\n * wait for only certain initialization (FID) promises or if it must wait for all.\r\n */\r\nvar dynamicConfigPromisesList = [];\r\n/**\r\n * Maps fetched measurementIds to appId. Populated when the app\'s dynamic config\r\n * fetch completes. If already populated, gtag config calls can use this to\r\n * selectively wait for only this app\'s initialization promise (FID) instead of all\r\n * initialization promises.\r\n */\r\nvar measurementIdToAppId = {};\r\n/**\r\n * Name for window global data layer array used by GA: defaults to \'dataLayer\'.\r\n */\r\nvar dataLayerName = \'dataLayer\';\r\n/**\r\n * Name for window global gtag function used by GA: defaults to \'gtag\'.\r\n */\r\nvar gtagName = \'gtag\';\r\n/**\r\n * Reproduction of standard gtag function or reference to existing\r\n * gtag function on window object.\r\n */\r\nvar gtagCoreFunction;\r\n/**\r\n * Wrapper around gtag function that ensures FID is sent with all\r\n * relevant event and config calls.\r\n */\r\nvar wrappedGtagFunction;\r\n/**\r\n * Flag to ensure page initialization steps (creation or wrapping of\r\n * dataLayer and gtag script) are only run once per page load.\r\n */\r\nvar globalInitDone = false;\r\n/**\r\n * For testing\r\n */\r\nfunction resetGlobalVars(newGlobalInitDone, newInitializationPromisesMap, newDynamicPromises) {\r\n    if (newGlobalInitDone === void 0) { newGlobalInitDone = false; }\r\n    if (newInitializationPromisesMap === void 0) { newInitializationPromisesMap = {}; }\r\n    if (newDynamicPromises === void 0) { newDynamicPromises = []; }\r\n    globalInitDone = newGlobalInitDone;\r\n    initializationPromisesMap = newInitializationPromisesMap;\r\n    dynamicConfigPromisesList = newDynamicPromises;\r\n    dataLayerName = \'dataLayer\';\r\n    gtagName = \'gtag\';\r\n}\r\n/**\r\n * For testing\r\n */\r\nfunction getGlobalVars() {\r\n    return {\r\n        initializationPromisesMap: initializationPromisesMap,\r\n        dynamicConfigPromisesList: dynamicConfigPromisesList\r\n    };\r\n}\r\n/**\r\n * This must be run before calling firebase.analytics() or it won\'t\r\n * have any effect.\r\n * @param options Custom gtag and dataLayer names.\r\n */\r\nfunction settings(options) {\r\n    if (globalInitDone) {\r\n        throw ERROR_FACTORY.create("already-initialized" /* ALREADY_INITIALIZED */);\r\n    }\r\n    if (options.dataLayerName) {\r\n        dataLayerName = options.dataLayerName;\r\n    }\r\n    if (options.gtagName) {\r\n        gtagName = options.gtagName;\r\n    }\r\n}\r\n/**\r\n * Returns true if no environment mismatch is found.\r\n * If environment mismatches are found, throws an INVALID_ANALYTICS_CONTEXT\r\n * error that also lists details for each mismatch found.\r\n */\r\nfunction warnOnBrowserContextMismatch() {\r\n    var mismatchedEnvMessages = [];\r\n    if (Object(_firebase_util__WEBPACK_IMPORTED_MODULE_4__["isBrowserExtension"])()) {\r\n        mismatchedEnvMessages.push(\'This is a browser extension environment.\');\r\n    }\r\n    if (!Object(_firebase_util__WEBPACK_IMPORTED_MODULE_4__["areCookiesEnabled"])()) {\r\n        mismatchedEnvMessages.push(\'Cookies are not available.\');\r\n    }\r\n    if (mismatchedEnvMessages.length > 0) {\r\n        var details = mismatchedEnvMessages\r\n            .map(function (message, index) { return "(" + (index + 1) + ") " + message; })\r\n            .join(\' \');\r\n        var err = ERROR_FACTORY.create("invalid-analytics-context" /* INVALID_ANALYTICS_CONTEXT */, {\r\n            errorInfo: details\r\n        });\r\n        logger.warn(err.message);\r\n    }\r\n}\r\nfunction factory(app, installations) {\r\n    warnOnBrowserContextMismatch();\r\n    var appId = app.options.appId;\r\n    if (!appId) {\r\n        throw ERROR_FACTORY.create("no-app-id" /* NO_APP_ID */);\r\n    }\r\n    if (!app.options.apiKey) {\r\n        if (app.options.measurementId) {\r\n            logger.warn("The \\"apiKey\\" field is empty in the local Firebase config. This is needed to fetch the latest" +\r\n                (" measurement ID for this Firebase app. Falling back to the measurement ID " + app.options.measurementId) +\r\n                " provided in the \\"measurementId\\" field in the local Firebase config.");\r\n        }\r\n        else {\r\n            throw ERROR_FACTORY.create("no-api-key" /* NO_API_KEY */);\r\n        }\r\n    }\r\n    if (initializationPromisesMap[appId] != null) {\r\n        throw ERROR_FACTORY.create("already-exists" /* ALREADY_EXISTS */, {\r\n            id: appId\r\n        });\r\n    }\r\n    if (!globalInitDone) {\r\n        // Steps here should only be done once per page: creation or wrapping\r\n        // of dataLayer and global gtag function.\r\n        // Detect if user has already put the gtag <script> tag on this page.\r\n        if (!findGtagScriptOnPage()) {\r\n            insertScriptTag(dataLayerName);\r\n        }\r\n        getOrCreateDataLayer(dataLayerName);\r\n        var _a = wrapOrCreateGtag(initializationPromisesMap, dynamicConfigPromisesList, measurementIdToAppId, dataLayerName, gtagName), wrappedGtag = _a.wrappedGtag, gtagCore = _a.gtagCore;\r\n        wrappedGtagFunction = wrappedGtag;\r\n        gtagCoreFunction = gtagCore;\r\n        globalInitDone = true;\r\n    }\r\n    // Async but non-blocking.\r\n    // This map reflects the completion state of all promises for each appId.\r\n    initializationPromisesMap[appId] = initializeIds(app, dynamicConfigPromisesList, measurementIdToAppId, installations, gtagCoreFunction);\r\n    var analyticsInstance = {\r\n        app: app,\r\n        // Public methods return void for API simplicity and to better match gtag,\r\n        // while internal implementations return promises.\r\n        logEvent: function (eventName, eventParams, options) {\r\n            logEvent(wrappedGtagFunction, initializationPromisesMap[appId], eventName, eventParams, options).catch(function (e) { return logger.error(e); });\r\n        },\r\n        setCurrentScreen: function (screenName, options) {\r\n            setCurrentScreen(wrappedGtagFunction, initializationPromisesMap[appId], screenName, options).catch(function (e) { return logger.error(e); });\r\n        },\r\n        setUserId: function (id, options) {\r\n            setUserId(wrappedGtagFunction, initializationPromisesMap[appId], id, options).catch(function (e) { return logger.error(e); });\r\n        },\r\n        setUserProperties: function (properties, options) {\r\n            setUserProperties(wrappedGtagFunction, initializationPromisesMap[appId], properties, options).catch(function (e) { return logger.error(e); });\r\n        },\r\n        setAnalyticsCollectionEnabled: function (enabled) {\r\n            setAnalyticsCollectionEnabled(initializationPromisesMap[appId], enabled).catch(function (e) { return logger.error(e); });\r\n        },\r\n        INTERNAL: {\r\n            delete: function () {\r\n                delete initializationPromisesMap[appId];\r\n                return Promise.resolve();\r\n            }\r\n        }\r\n    };\r\n    return analyticsInstance;\r\n}\n\nvar name = "@firebase/analytics";\nvar version = "0.6.0";\n\n/**\r\n * Type constant for Firebase Analytics.\r\n */\r\nvar ANALYTICS_TYPE = \'analytics\';\r\nfunction registerAnalytics(instance) {\r\n    instance.INTERNAL.registerComponent(new _firebase_component__WEBPACK_IMPORTED_MODULE_5__["Component"](ANALYTICS_TYPE, function (container) {\r\n        // getImmediate for FirebaseApp will always succeed\r\n        var app = container.getProvider(\'app\').getImmediate();\r\n        var installations = container\r\n            .getProvider(\'installations\')\r\n            .getImmediate();\r\n        return factory(app, installations);\r\n    }, "PUBLIC" /* PUBLIC */).setServiceProps({\r\n        settings: settings,\r\n        EventName: EventName,\r\n        isSupported: isSupported\r\n    }));\r\n    instance.INTERNAL.registerComponent(new _firebase_component__WEBPACK_IMPORTED_MODULE_5__["Component"](\'analytics-internal\', internalFactory, "PRIVATE" /* PRIVATE */));\r\n    instance.registerVersion(name, version);\r\n    function internalFactory(container) {\r\n        try {\r\n            var analytics = container.getProvider(ANALYTICS_TYPE).getImmediate();\r\n            return {\r\n                logEvent: analytics.logEvent\r\n            };\r\n        }\r\n        catch (e) {\r\n            throw ERROR_FACTORY.create("interop-component-reg-failed" /* INTEROP_COMPONENT_REG_FAILED */, {\r\n                reason: e\r\n            });\r\n        }\r\n    }\r\n}\r\nregisterAnalytics(_firebase_app__WEBPACK_IMPORTED_MODULE_1___default.a);\r\n/**\r\n * this is a public static method provided to users that wraps four different checks:\r\n *\r\n * 1. check if it\'s not a browser extension environment.\r\n * 1. check if cookie is enabled in current browser.\r\n * 3. check if IndexedDB is supported by the browser environment.\r\n * 4. check if the current browser context is valid for using IndexedDB.\r\n *\r\n */\r\nfunction isSupported() {\r\n    return Object(tslib__WEBPACK_IMPORTED_MODULE_0__["__awaiter"])(this, void 0, void 0, function () {\r\n        var isDBOpenable, error_1;\r\n        return Object(tslib__WEBPACK_IMPORTED_MODULE_0__["__generator"])(this, function (_a) {\r\n            switch (_a.label) {\r\n                case 0:\r\n                    if (Object(_firebase_util__WEBPACK_IMPORTED_MODULE_4__["isBrowserExtension"])()) {\r\n                        return [2 /*return*/, false];\r\n                    }\r\n                    if (!Object(_firebase_util__WEBPACK_IMPORTED_MODULE_4__["areCookiesEnabled"])()) {\r\n                        return [2 /*return*/, false];\r\n                    }\r\n                    if (!Object(_firebase_util__WEBPACK_IMPORTED_MODULE_4__["isIndexedDBAvailable"])()) {\r\n                        return [2 /*return*/, false];\r\n                    }\r\n                    _a.label = 1;\r\n                case 1:\r\n                    _a.trys.push([1, 3, , 4]);\r\n                    return [4 /*yield*/, Object(_firebase_util__WEBPACK_IMPORTED_MODULE_4__["validateIndexedDBOpenable"])()];\r\n                case 2:\r\n                    isDBOpenable = _a.sent();\r\n                    return [2 /*return*/, isDBOpenable];\r\n                case 3:\r\n                    error_1 = _a.sent();\r\n                    return [2 /*return*/, false];\r\n                case 4: return [2 /*return*/];\r\n            }\r\n        });\r\n    });\r\n}\n\n\n//# sourceMappingURL=index.esm.js.map\n\n\n//# sourceURL=webpack:///./node_modules/@firebase/analytics/dist/index.esm.js?')},function(module,exports,__webpack_require__){"use strict";eval("\n\nObject.defineProperty(exports, '__esModule', { value: true });\n\nvar firebase = __webpack_require__(2);\n__webpack_require__(8);\nvar tslib = __webpack_require__(0);\nvar util = __webpack_require__(1);\nvar logger = __webpack_require__(6);\nvar component = __webpack_require__(3);\n\nfunction _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }\n\nvar firebase__default = /*#__PURE__*/_interopDefaultLegacy(firebase);\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * Implements the {@link RemoteConfigClient} abstraction with success response caching.\r\n *\r\n * <p>Comparable to the browser's Cache API for responses, but the Cache API requires a Service\r\n * Worker, which requires HTTPS, which would significantly complicate SDK installation. Also, the\r\n * Cache API doesn't support matching entries by time.\r\n */\r\nvar CachingClient = /** @class */ (function () {\r\n    function CachingClient(client, storage, storageCache, logger) {\r\n        this.client = client;\r\n        this.storage = storage;\r\n        this.storageCache = storageCache;\r\n        this.logger = logger;\r\n    }\r\n    /**\r\n     * Returns true if the age of the cached fetched configs is less than or equal to\r\n     * {@link Settings#minimumFetchIntervalInSeconds}.\r\n     *\r\n     * <p>This is comparable to passing `headers = { 'Cache-Control': max-age <maxAge> }` to the\r\n     * native Fetch API.\r\n     *\r\n     * <p>Visible for testing.\r\n     */\r\n    CachingClient.prototype.isCachedDataFresh = function (cacheMaxAgeMillis, lastSuccessfulFetchTimestampMillis) {\r\n        // Cache can only be fresh if it's populated.\r\n        if (!lastSuccessfulFetchTimestampMillis) {\r\n            this.logger.debug('Config fetch cache check. Cache unpopulated.');\r\n            return false;\r\n        }\r\n        // Calculates age of cache entry.\r\n        var cacheAgeMillis = Date.now() - lastSuccessfulFetchTimestampMillis;\r\n        var isCachedDataFresh = cacheAgeMillis <= cacheMaxAgeMillis;\r\n        this.logger.debug('Config fetch cache check.' +\r\n            (\" Cache age millis: \" + cacheAgeMillis + \".\") +\r\n            (\" Cache max age millis (minimumFetchIntervalMillis setting): \" + cacheMaxAgeMillis + \".\") +\r\n            (\" Is cache hit: \" + isCachedDataFresh + \".\"));\r\n        return isCachedDataFresh;\r\n    };\r\n    CachingClient.prototype.fetch = function (request) {\r\n        return tslib.__awaiter(this, void 0, void 0, function () {\r\n            var _a, lastSuccessfulFetchTimestampMillis, lastSuccessfulFetchResponse, response, storageOperations;\r\n            return tslib.__generator(this, function (_b) {\r\n                switch (_b.label) {\r\n                    case 0: return [4 /*yield*/, Promise.all([\r\n                            this.storage.getLastSuccessfulFetchTimestampMillis(),\r\n                            this.storage.getLastSuccessfulFetchResponse()\r\n                        ])];\r\n                    case 1:\r\n                        _a = _b.sent(), lastSuccessfulFetchTimestampMillis = _a[0], lastSuccessfulFetchResponse = _a[1];\r\n                        // Exits early on cache hit.\r\n                        if (lastSuccessfulFetchResponse &&\r\n                            this.isCachedDataFresh(request.cacheMaxAgeMillis, lastSuccessfulFetchTimestampMillis)) {\r\n                            return [2 /*return*/, lastSuccessfulFetchResponse];\r\n                        }\r\n                        // Deviates from pure decorator by not honoring a passed ETag since we don't have a public API\r\n                        // that allows the caller to pass an ETag.\r\n                        request.eTag =\r\n                            lastSuccessfulFetchResponse && lastSuccessfulFetchResponse.eTag;\r\n                        return [4 /*yield*/, this.client.fetch(request)];\r\n                    case 2:\r\n                        response = _b.sent();\r\n                        storageOperations = [\r\n                            // Uses write-through cache for consistency with synchronous public API.\r\n                            this.storageCache.setLastSuccessfulFetchTimestampMillis(Date.now())\r\n                        ];\r\n                        if (response.status === 200) {\r\n                            // Caches response only if it has changed, ie non-304 responses.\r\n                            storageOperations.push(this.storage.setLastSuccessfulFetchResponse(response));\r\n                        }\r\n                        return [4 /*yield*/, Promise.all(storageOperations)];\r\n                    case 3:\r\n                        _b.sent();\r\n                        return [2 /*return*/, response];\r\n                }\r\n            });\r\n        });\r\n    };\r\n    return CachingClient;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nvar _a;\r\nvar ERROR_DESCRIPTION_MAP = (_a = {},\r\n    _a[\"registration-window\" /* REGISTRATION_WINDOW */] = 'Undefined window object. This SDK only supports usage in a browser environment.',\r\n    _a[\"registration-project-id\" /* REGISTRATION_PROJECT_ID */] = 'Undefined project identifier. Check Firebase app initialization.',\r\n    _a[\"registration-api-key\" /* REGISTRATION_API_KEY */] = 'Undefined API key. Check Firebase app initialization.',\r\n    _a[\"registration-app-id\" /* REGISTRATION_APP_ID */] = 'Undefined app identifier. Check Firebase app initialization.',\r\n    _a[\"storage-open\" /* STORAGE_OPEN */] = 'Error thrown when opening storage. Original error: {$originalErrorMessage}.',\r\n    _a[\"storage-get\" /* STORAGE_GET */] = 'Error thrown when reading from storage. Original error: {$originalErrorMessage}.',\r\n    _a[\"storage-set\" /* STORAGE_SET */] = 'Error thrown when writing to storage. Original error: {$originalErrorMessage}.',\r\n    _a[\"storage-delete\" /* STORAGE_DELETE */] = 'Error thrown when deleting from storage. Original error: {$originalErrorMessage}.',\r\n    _a[\"fetch-client-network\" /* FETCH_NETWORK */] = 'Fetch client failed to connect to a network. Check Internet connection.' +\r\n        ' Original error: {$originalErrorMessage}.',\r\n    _a[\"fetch-timeout\" /* FETCH_TIMEOUT */] = 'The config fetch request timed out. ' +\r\n        ' Configure timeout using \"fetchTimeoutMillis\" SDK setting.',\r\n    _a[\"fetch-throttle\" /* FETCH_THROTTLE */] = 'The config fetch request timed out while in an exponential backoff state.' +\r\n        ' Configure timeout using \"fetchTimeoutMillis\" SDK setting.' +\r\n        ' Unix timestamp in milliseconds when fetch request throttling ends: {$throttleEndTimeMillis}.',\r\n    _a[\"fetch-client-parse\" /* FETCH_PARSE */] = 'Fetch client could not parse response.' +\r\n        ' Original error: {$originalErrorMessage}.',\r\n    _a[\"fetch-status\" /* FETCH_STATUS */] = 'Fetch server returned an HTTP error status. HTTP status: {$httpStatus}.',\r\n    _a);\r\nvar ERROR_FACTORY = new util.ErrorFactory('remoteconfig' /* service */, 'Remote Config' /* service name */, ERROR_DESCRIPTION_MAP);\r\n// Note how this is like typeof/instanceof, but for ErrorCode.\r\nfunction hasErrorCode(e, errorCode) {\r\n    return e instanceof util.FirebaseError && e.code.indexOf(errorCode) !== -1;\r\n}\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * Attempts to get the most accurate browser language setting.\r\n *\r\n * <p>Adapted from getUserLanguage in packages/auth/src/utils.js for TypeScript.\r\n *\r\n * <p>Defers default language specification to server logic for consistency.\r\n *\r\n * @param navigatorLanguage Enables tests to override read-only {@link NavigatorLanguage}.\r\n */\r\nfunction getUserLanguage(navigatorLanguage) {\r\n    if (navigatorLanguage === void 0) { navigatorLanguage = navigator; }\r\n    return (\r\n    // Most reliable, but only supported in Chrome/Firefox.\r\n    (navigatorLanguage.languages && navigatorLanguage.languages[0]) ||\r\n        // Supported in most browsers, but returns the language of the browser\r\n        // UI, not the language set in browser settings.\r\n        navigatorLanguage.language\r\n    // Polyfill otherwise.\r\n    );\r\n}\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * Implements the Client abstraction for the Remote Config REST API.\r\n */\r\nvar RestClient = /** @class */ (function () {\r\n    function RestClient(firebaseInstallations, sdkVersion, namespace, projectId, apiKey, appId) {\r\n        this.firebaseInstallations = firebaseInstallations;\r\n        this.sdkVersion = sdkVersion;\r\n        this.namespace = namespace;\r\n        this.projectId = projectId;\r\n        this.apiKey = apiKey;\r\n        this.appId = appId;\r\n    }\r\n    /**\r\n     * Fetches from the Remote Config REST API.\r\n     *\r\n     * @throws a {@link ErrorCode.FETCH_NETWORK} error if {@link GlobalFetch#fetch} can't\r\n     * connect to the network.\r\n     * @throws a {@link ErrorCode.FETCH_PARSE} error if {@link Response#json} can't parse the\r\n     * fetch response.\r\n     * @throws a {@link ErrorCode.FETCH_STATUS} error if the service returns an HTTP error status.\r\n     */\r\n    RestClient.prototype.fetch = function (request) {\r\n        return tslib.__awaiter(this, void 0, void 0, function () {\r\n            var _a, installationId, installationToken, urlBase, url, headers, requestBody, options, fetchPromise, timeoutPromise, response, originalError_1, errorCode, status, responseEtag, config, state, responseBody, originalError_2;\r\n            return tslib.__generator(this, function (_b) {\r\n                switch (_b.label) {\r\n                    case 0: return [4 /*yield*/, Promise.all([\r\n                            this.firebaseInstallations.getId(),\r\n                            this.firebaseInstallations.getToken()\r\n                        ])];\r\n                    case 1:\r\n                        _a = _b.sent(), installationId = _a[0], installationToken = _a[1];\r\n                        urlBase = window.FIREBASE_REMOTE_CONFIG_URL_BASE ||\r\n                            'https://firebaseremoteconfig.googleapis.com';\r\n                        url = urlBase + \"/v1/projects/\" + this.projectId + \"/namespaces/\" + this.namespace + \":fetch?key=\" + this.apiKey;\r\n                        headers = {\r\n                            'Content-Type': 'application/json',\r\n                            'Content-Encoding': 'gzip',\r\n                            // Deviates from pure decorator by not passing max-age header since we don't currently have\r\n                            // service behavior using that header.\r\n                            'If-None-Match': request.eTag || '*'\r\n                        };\r\n                        requestBody = {\r\n                            /* eslint-disable camelcase */\r\n                            sdk_version: this.sdkVersion,\r\n                            app_instance_id: installationId,\r\n                            app_instance_id_token: installationToken,\r\n                            app_id: this.appId,\r\n                            language_code: getUserLanguage()\r\n                            /* eslint-enable camelcase */\r\n                        };\r\n                        options = {\r\n                            method: 'POST',\r\n                            headers: headers,\r\n                            body: JSON.stringify(requestBody)\r\n                        };\r\n                        fetchPromise = fetch(url, options);\r\n                        timeoutPromise = new Promise(function (_resolve, reject) {\r\n                            // Maps async event listener to Promise API.\r\n                            request.signal.addEventListener(function () {\r\n                                // Emulates https://heycam.github.io/webidl/#aborterror\r\n                                var error = new Error('The operation was aborted.');\r\n                                error.name = 'AbortError';\r\n                                reject(error);\r\n                            });\r\n                        });\r\n                        _b.label = 2;\r\n                    case 2:\r\n                        _b.trys.push([2, 5, , 6]);\r\n                        return [4 /*yield*/, Promise.race([fetchPromise, timeoutPromise])];\r\n                    case 3:\r\n                        _b.sent();\r\n                        return [4 /*yield*/, fetchPromise];\r\n                    case 4:\r\n                        response = _b.sent();\r\n                        return [3 /*break*/, 6];\r\n                    case 5:\r\n                        originalError_1 = _b.sent();\r\n                        errorCode = \"fetch-client-network\" /* FETCH_NETWORK */;\r\n                        if (originalError_1.name === 'AbortError') {\r\n                            errorCode = \"fetch-timeout\" /* FETCH_TIMEOUT */;\r\n                        }\r\n                        throw ERROR_FACTORY.create(errorCode, {\r\n                            originalErrorMessage: originalError_1.message\r\n                        });\r\n                    case 6:\r\n                        status = response.status;\r\n                        responseEtag = response.headers.get('ETag') || undefined;\r\n                        if (!(response.status === 200)) return [3 /*break*/, 11];\r\n                        responseBody = void 0;\r\n                        _b.label = 7;\r\n                    case 7:\r\n                        _b.trys.push([7, 9, , 10]);\r\n                        return [4 /*yield*/, response.json()];\r\n                    case 8:\r\n                        responseBody = _b.sent();\r\n                        return [3 /*break*/, 10];\r\n                    case 9:\r\n                        originalError_2 = _b.sent();\r\n                        throw ERROR_FACTORY.create(\"fetch-client-parse\" /* FETCH_PARSE */, {\r\n                            originalErrorMessage: originalError_2.message\r\n                        });\r\n                    case 10:\r\n                        config = responseBody['entries'];\r\n                        state = responseBody['state'];\r\n                        _b.label = 11;\r\n                    case 11:\r\n                        // Normalizes based on legacy state.\r\n                        if (state === 'INSTANCE_STATE_UNSPECIFIED') {\r\n                            status = 500;\r\n                        }\r\n                        else if (state === 'NO_CHANGE') {\r\n                            status = 304;\r\n                        }\r\n                        else if (state === 'NO_TEMPLATE' || state === 'EMPTY_CONFIG') {\r\n                            // These cases can be fixed remotely, so normalize to safe value.\r\n                            config = {};\r\n                        }\r\n                        // Normalize to exception-based control flow for non-success cases.\r\n                        // Encapsulates HTTP specifics in this class as much as possible. Status is still the best for\r\n                        // differentiating success states (200 from 304; the state body param is undefined in a\r\n                        // standard 304).\r\n                        if (status !== 304 && status !== 200) {\r\n                            throw ERROR_FACTORY.create(\"fetch-status\" /* FETCH_STATUS */, {\r\n                                httpStatus: status\r\n                            });\r\n                        }\r\n                        return [2 /*return*/, { status: status, eTag: responseEtag, config: config }];\r\n                }\r\n            });\r\n        });\r\n    };\r\n    return RestClient;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * Shims a minimal AbortSignal.\r\n *\r\n * <p>AbortController's AbortSignal conveniently decouples fetch timeout logic from other aspects\r\n * of networking, such as retries. Firebase doesn't use AbortController enough to justify a\r\n * polyfill recommendation, like we do with the Fetch API, but this minimal shim can easily be\r\n * swapped out if/when we do.\r\n */\r\nvar RemoteConfigAbortSignal = /** @class */ (function () {\r\n    function RemoteConfigAbortSignal() {\r\n        this.listeners = [];\r\n    }\r\n    RemoteConfigAbortSignal.prototype.addEventListener = function (listener) {\r\n        this.listeners.push(listener);\r\n    };\r\n    RemoteConfigAbortSignal.prototype.abort = function () {\r\n        this.listeners.forEach(function (listener) { return listener(); });\r\n    };\r\n    return RemoteConfigAbortSignal;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nvar DEFAULT_VALUE_FOR_BOOLEAN = false;\r\nvar DEFAULT_VALUE_FOR_STRING = '';\r\nvar DEFAULT_VALUE_FOR_NUMBER = 0;\r\nvar BOOLEAN_TRUTHY_VALUES = ['1', 'true', 't', 'yes', 'y', 'on'];\r\nvar Value = /** @class */ (function () {\r\n    function Value(_source, _value) {\r\n        if (_value === void 0) { _value = DEFAULT_VALUE_FOR_STRING; }\r\n        this._source = _source;\r\n        this._value = _value;\r\n    }\r\n    Value.prototype.asString = function () {\r\n        return this._value;\r\n    };\r\n    Value.prototype.asBoolean = function () {\r\n        if (this._source === 'static') {\r\n            return DEFAULT_VALUE_FOR_BOOLEAN;\r\n        }\r\n        return BOOLEAN_TRUTHY_VALUES.indexOf(this._value.toLowerCase()) >= 0;\r\n    };\r\n    Value.prototype.asNumber = function () {\r\n        if (this._source === 'static') {\r\n            return DEFAULT_VALUE_FOR_NUMBER;\r\n        }\r\n        var num = Number(this._value);\r\n        if (isNaN(num)) {\r\n            num = DEFAULT_VALUE_FOR_NUMBER;\r\n        }\r\n        return num;\r\n    };\r\n    Value.prototype.getSource = function () {\r\n        return this._source;\r\n    };\r\n    return Value;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nvar DEFAULT_FETCH_TIMEOUT_MILLIS = 60 * 1000; // One minute\r\nvar DEFAULT_CACHE_MAX_AGE_MILLIS = 12 * 60 * 60 * 1000; // Twelve hours.\r\n/**\r\n * Encapsulates business logic mapping network and storage dependencies to the public SDK API.\r\n *\r\n * See {@link https://github.com/FirebasePrivate/firebase-js-sdk/blob/master/packages/firebase/index.d.ts|interface documentation} for method descriptions.\r\n */\r\nvar RemoteConfig = /** @class */ (function () {\r\n    function RemoteConfig(\r\n    // Required by FirebaseServiceFactory interface.\r\n    app, \r\n    // JS doesn't support private yet\r\n    // (https://github.com/tc39/proposal-class-fields#private-fields), so we hint using an\r\n    // underscore prefix.\r\n    _client, _storageCache, _storage, _logger) {\r\n        this.app = app;\r\n        this._client = _client;\r\n        this._storageCache = _storageCache;\r\n        this._storage = _storage;\r\n        this._logger = _logger;\r\n        // Tracks completion of initialization promise.\r\n        this._isInitializationComplete = false;\r\n        this.settings = {\r\n            fetchTimeoutMillis: DEFAULT_FETCH_TIMEOUT_MILLIS,\r\n            minimumFetchIntervalMillis: DEFAULT_CACHE_MAX_AGE_MILLIS\r\n        };\r\n        this.defaultConfig = {};\r\n    }\r\n    // Based on packages/firestore/src/util/log.ts but not static because we need per-instance levels\r\n    // to differentiate 2p and 3p use-cases.\r\n    RemoteConfig.prototype.setLogLevel = function (logLevel) {\r\n        switch (logLevel) {\r\n            case 'debug':\r\n                this._logger.logLevel = logger.LogLevel.DEBUG;\r\n                break;\r\n            case 'silent':\r\n                this._logger.logLevel = logger.LogLevel.SILENT;\r\n                break;\r\n            default:\r\n                this._logger.logLevel = logger.LogLevel.ERROR;\r\n        }\r\n    };\r\n    Object.defineProperty(RemoteConfig.prototype, \"fetchTimeMillis\", {\r\n        get: function () {\r\n            return this._storageCache.getLastSuccessfulFetchTimestampMillis() || -1;\r\n        },\r\n        enumerable: false,\r\n        configurable: true\r\n    });\r\n    Object.defineProperty(RemoteConfig.prototype, \"lastFetchStatus\", {\r\n        get: function () {\r\n            return this._storageCache.getLastFetchStatus() || 'no-fetch-yet';\r\n        },\r\n        enumerable: false,\r\n        configurable: true\r\n    });\r\n    RemoteConfig.prototype.activate = function () {\r\n        return tslib.__awaiter(this, void 0, void 0, function () {\r\n            var _a, lastSuccessfulFetchResponse, activeConfigEtag;\r\n            return tslib.__generator(this, function (_b) {\r\n                switch (_b.label) {\r\n                    case 0: return [4 /*yield*/, Promise.all([\r\n                            this._storage.getLastSuccessfulFetchResponse(),\r\n                            this._storage.getActiveConfigEtag()\r\n                        ])];\r\n                    case 1:\r\n                        _a = _b.sent(), lastSuccessfulFetchResponse = _a[0], activeConfigEtag = _a[1];\r\n                        if (!lastSuccessfulFetchResponse ||\r\n                            !lastSuccessfulFetchResponse.config ||\r\n                            !lastSuccessfulFetchResponse.eTag ||\r\n                            lastSuccessfulFetchResponse.eTag === activeConfigEtag) {\r\n                            // Either there is no successful fetched config, or is the same as current active\r\n                            // config.\r\n                            return [2 /*return*/, false];\r\n                        }\r\n                        return [4 /*yield*/, Promise.all([\r\n                                this._storageCache.setActiveConfig(lastSuccessfulFetchResponse.config),\r\n                                this._storage.setActiveConfigEtag(lastSuccessfulFetchResponse.eTag)\r\n                            ])];\r\n                    case 2:\r\n                        _b.sent();\r\n                        return [2 /*return*/, true];\r\n                }\r\n            });\r\n        });\r\n    };\r\n    RemoteConfig.prototype.ensureInitialized = function () {\r\n        var _this = this;\r\n        if (!this._initializePromise) {\r\n            this._initializePromise = this._storageCache\r\n                .loadFromStorage()\r\n                .then(function () {\r\n                _this._isInitializationComplete = true;\r\n            });\r\n        }\r\n        return this._initializePromise;\r\n    };\r\n    /**\r\n     * @throws a {@link ErrorCode.FETCH_CLIENT_TIMEOUT} if the request takes longer than\r\n     * {@link Settings.fetchTimeoutInSeconds} or\r\n     * {@link DEFAULT_FETCH_TIMEOUT_SECONDS}.\r\n     */\r\n    RemoteConfig.prototype.fetch = function () {\r\n        return tslib.__awaiter(this, void 0, void 0, function () {\r\n            var abortSignal, e_1, lastFetchStatus;\r\n            var _this = this;\r\n            return tslib.__generator(this, function (_a) {\r\n                switch (_a.label) {\r\n                    case 0:\r\n                        abortSignal = new RemoteConfigAbortSignal();\r\n                        setTimeout(function () { return tslib.__awaiter(_this, void 0, void 0, function () {\r\n                            return tslib.__generator(this, function (_a) {\r\n                                // Note a very low delay, eg < 10ms, can elapse before listeners are initialized.\r\n                                abortSignal.abort();\r\n                                return [2 /*return*/];\r\n                            });\r\n                        }); }, this.settings.fetchTimeoutMillis);\r\n                        _a.label = 1;\r\n                    case 1:\r\n                        _a.trys.push([1, 4, , 6]);\r\n                        return [4 /*yield*/, this._client.fetch({\r\n                                cacheMaxAgeMillis: this.settings.minimumFetchIntervalMillis,\r\n                                signal: abortSignal\r\n                            })];\r\n                    case 2:\r\n                        _a.sent();\r\n                        return [4 /*yield*/, this._storageCache.setLastFetchStatus('success')];\r\n                    case 3:\r\n                        _a.sent();\r\n                        return [3 /*break*/, 6];\r\n                    case 4:\r\n                        e_1 = _a.sent();\r\n                        lastFetchStatus = hasErrorCode(e_1, \"fetch-throttle\" /* FETCH_THROTTLE */)\r\n                            ? 'throttle'\r\n                            : 'failure';\r\n                        return [4 /*yield*/, this._storageCache.setLastFetchStatus(lastFetchStatus)];\r\n                    case 5:\r\n                        _a.sent();\r\n                        throw e_1;\r\n                    case 6: return [2 /*return*/];\r\n                }\r\n            });\r\n        });\r\n    };\r\n    RemoteConfig.prototype.fetchAndActivate = function () {\r\n        return tslib.__awaiter(this, void 0, void 0, function () {\r\n            return tslib.__generator(this, function (_a) {\r\n                switch (_a.label) {\r\n                    case 0: return [4 /*yield*/, this.fetch()];\r\n                    case 1:\r\n                        _a.sent();\r\n                        return [2 /*return*/, this.activate()];\r\n                }\r\n            });\r\n        });\r\n    };\r\n    RemoteConfig.prototype.getAll = function () {\r\n        var _this = this;\r\n        return getAllKeys(this._storageCache.getActiveConfig(), this.defaultConfig).reduce(function (allConfigs, key) {\r\n            allConfigs[key] = _this.getValue(key);\r\n            return allConfigs;\r\n        }, {});\r\n    };\r\n    RemoteConfig.prototype.getBoolean = function (key) {\r\n        return this.getValue(key).asBoolean();\r\n    };\r\n    RemoteConfig.prototype.getNumber = function (key) {\r\n        return this.getValue(key).asNumber();\r\n    };\r\n    RemoteConfig.prototype.getString = function (key) {\r\n        return this.getValue(key).asString();\r\n    };\r\n    RemoteConfig.prototype.getValue = function (key) {\r\n        if (!this._isInitializationComplete) {\r\n            this._logger.debug(\"A value was requested for key \\\"\" + key + \"\\\" before SDK initialization completed.\" +\r\n                ' Await on ensureInitialized if the intent was to get a previously activated value.');\r\n        }\r\n        var activeConfig = this._storageCache.getActiveConfig();\r\n        if (activeConfig && activeConfig[key] !== undefined) {\r\n            return new Value('remote', activeConfig[key]);\r\n        }\r\n        else if (this.defaultConfig && this.defaultConfig[key] !== undefined) {\r\n            return new Value('default', String(this.defaultConfig[key]));\r\n        }\r\n        this._logger.debug(\"Returning static value for key \\\"\" + key + \"\\\".\" +\r\n            ' Define a default or remote value if this is unintentional.');\r\n        return new Value('static');\r\n    };\r\n    return RemoteConfig;\r\n}());\r\n/**\r\n * Dedupes and returns an array of all the keys of the received objects.\r\n */\r\nfunction getAllKeys(obj1, obj2) {\r\n    if (obj1 === void 0) { obj1 = {}; }\r\n    if (obj2 === void 0) { obj2 = {}; }\r\n    return Object.keys(tslib.__assign(tslib.__assign({}, obj1), obj2));\r\n}\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * Converts an error event associated with a {@link IDBRequest} to a {@link FirebaseError}.\r\n */\r\nfunction toFirebaseError(event, errorCode) {\r\n    var originalError = event.target.error || undefined;\r\n    return ERROR_FACTORY.create(errorCode, {\r\n        originalErrorMessage: originalError && originalError.message\r\n    });\r\n}\r\n/**\r\n * A general-purpose store keyed by app + namespace + {@link\r\n * ProjectNamespaceKeyFieldValue}.\r\n *\r\n * <p>The Remote Config SDK can be used with multiple app installations, and each app can interact\r\n * with multiple namespaces, so this store uses app (ID + name) and namespace as common parent keys\r\n * for a set of key-value pairs. See {@link Storage#createCompositeKey}.\r\n *\r\n * <p>Visible for testing.\r\n */\r\nvar APP_NAMESPACE_STORE = 'app_namespace_store';\r\nvar DB_NAME = 'firebase_remote_config';\r\nvar DB_VERSION = 1;\r\n// Visible for testing.\r\nfunction openDatabase() {\r\n    return new Promise(function (resolve, reject) {\r\n        var request = indexedDB.open(DB_NAME, DB_VERSION);\r\n        request.onerror = function (event) {\r\n            reject(toFirebaseError(event, \"storage-open\" /* STORAGE_OPEN */));\r\n        };\r\n        request.onsuccess = function (event) {\r\n            resolve(event.target.result);\r\n        };\r\n        request.onupgradeneeded = function (event) {\r\n            var db = event.target.result;\r\n            // We don't use 'break' in this switch statement, the fall-through\r\n            // behavior is what we want, because if there are multiple versions between\r\n            // the old version and the current version, we want ALL the migrations\r\n            // that correspond to those versions to run, not only the last one.\r\n            // eslint-disable-next-line default-case\r\n            switch (event.oldVersion) {\r\n                case 0:\r\n                    db.createObjectStore(APP_NAMESPACE_STORE, {\r\n                        keyPath: 'compositeKey'\r\n                    });\r\n            }\r\n        };\r\n    });\r\n}\r\n/**\r\n * Abstracts data persistence.\r\n */\r\nvar Storage = /** @class */ (function () {\r\n    /**\r\n     * @param appId enables storage segmentation by app (ID + name).\r\n     * @param appName enables storage segmentation by app (ID + name).\r\n     * @param namespace enables storage segmentation by namespace.\r\n     */\r\n    function Storage(appId, appName, namespace, openDbPromise) {\r\n        if (openDbPromise === void 0) { openDbPromise = openDatabase(); }\r\n        this.appId = appId;\r\n        this.appName = appName;\r\n        this.namespace = namespace;\r\n        this.openDbPromise = openDbPromise;\r\n    }\r\n    Storage.prototype.getLastFetchStatus = function () {\r\n        return this.get('last_fetch_status');\r\n    };\r\n    Storage.prototype.setLastFetchStatus = function (status) {\r\n        return this.set('last_fetch_status', status);\r\n    };\r\n    // This is comparable to a cache entry timestamp. If we need to expire other data, we could\r\n    // consider adding timestamp to all storage records and an optional max age arg to getters.\r\n    Storage.prototype.getLastSuccessfulFetchTimestampMillis = function () {\r\n        return this.get('last_successful_fetch_timestamp_millis');\r\n    };\r\n    Storage.prototype.setLastSuccessfulFetchTimestampMillis = function (timestamp) {\r\n        return this.set('last_successful_fetch_timestamp_millis', timestamp);\r\n    };\r\n    Storage.prototype.getLastSuccessfulFetchResponse = function () {\r\n        return this.get('last_successful_fetch_response');\r\n    };\r\n    Storage.prototype.setLastSuccessfulFetchResponse = function (response) {\r\n        return this.set('last_successful_fetch_response', response);\r\n    };\r\n    Storage.prototype.getActiveConfig = function () {\r\n        return this.get('active_config');\r\n    };\r\n    Storage.prototype.setActiveConfig = function (config) {\r\n        return this.set('active_config', config);\r\n    };\r\n    Storage.prototype.getActiveConfigEtag = function () {\r\n        return this.get('active_config_etag');\r\n    };\r\n    Storage.prototype.setActiveConfigEtag = function (etag) {\r\n        return this.set('active_config_etag', etag);\r\n    };\r\n    Storage.prototype.getThrottleMetadata = function () {\r\n        return this.get('throttle_metadata');\r\n    };\r\n    Storage.prototype.setThrottleMetadata = function (metadata) {\r\n        return this.set('throttle_metadata', metadata);\r\n    };\r\n    Storage.prototype.deleteThrottleMetadata = function () {\r\n        return this.delete('throttle_metadata');\r\n    };\r\n    Storage.prototype.get = function (key) {\r\n        return tslib.__awaiter(this, void 0, void 0, function () {\r\n            var db;\r\n            var _this = this;\r\n            return tslib.__generator(this, function (_a) {\r\n                switch (_a.label) {\r\n                    case 0: return [4 /*yield*/, this.openDbPromise];\r\n                    case 1:\r\n                        db = _a.sent();\r\n                        return [2 /*return*/, new Promise(function (resolve, reject) {\r\n                                var transaction = db.transaction([APP_NAMESPACE_STORE], 'readonly');\r\n                                var objectStore = transaction.objectStore(APP_NAMESPACE_STORE);\r\n                                var compositeKey = _this.createCompositeKey(key);\r\n                                try {\r\n                                    var request = objectStore.get(compositeKey);\r\n                                    request.onerror = function (event) {\r\n                                        reject(toFirebaseError(event, \"storage-get\" /* STORAGE_GET */));\r\n                                    };\r\n                                    request.onsuccess = function (event) {\r\n                                        var result = event.target.result;\r\n                                        if (result) {\r\n                                            resolve(result.value);\r\n                                        }\r\n                                        else {\r\n                                            resolve(undefined);\r\n                                        }\r\n                                    };\r\n                                }\r\n                                catch (e) {\r\n                                    reject(ERROR_FACTORY.create(\"storage-get\" /* STORAGE_GET */, {\r\n                                        originalErrorMessage: e && e.message\r\n                                    }));\r\n                                }\r\n                            })];\r\n                }\r\n            });\r\n        });\r\n    };\r\n    Storage.prototype.set = function (key, value) {\r\n        return tslib.__awaiter(this, void 0, void 0, function () {\r\n            var db;\r\n            var _this = this;\r\n            return tslib.__generator(this, function (_a) {\r\n                switch (_a.label) {\r\n                    case 0: return [4 /*yield*/, this.openDbPromise];\r\n                    case 1:\r\n                        db = _a.sent();\r\n                        return [2 /*return*/, new Promise(function (resolve, reject) {\r\n                                var transaction = db.transaction([APP_NAMESPACE_STORE], 'readwrite');\r\n                                var objectStore = transaction.objectStore(APP_NAMESPACE_STORE);\r\n                                var compositeKey = _this.createCompositeKey(key);\r\n                                try {\r\n                                    var request = objectStore.put({\r\n                                        compositeKey: compositeKey,\r\n                                        value: value\r\n                                    });\r\n                                    request.onerror = function (event) {\r\n                                        reject(toFirebaseError(event, \"storage-set\" /* STORAGE_SET */));\r\n                                    };\r\n                                    request.onsuccess = function () {\r\n                                        resolve();\r\n                                    };\r\n                                }\r\n                                catch (e) {\r\n                                    reject(ERROR_FACTORY.create(\"storage-set\" /* STORAGE_SET */, {\r\n                                        originalErrorMessage: e && e.message\r\n                                    }));\r\n                                }\r\n                            })];\r\n                }\r\n            });\r\n        });\r\n    };\r\n    Storage.prototype.delete = function (key) {\r\n        return tslib.__awaiter(this, void 0, void 0, function () {\r\n            var db;\r\n            var _this = this;\r\n            return tslib.__generator(this, function (_a) {\r\n                switch (_a.label) {\r\n                    case 0: return [4 /*yield*/, this.openDbPromise];\r\n                    case 1:\r\n                        db = _a.sent();\r\n                        return [2 /*return*/, new Promise(function (resolve, reject) {\r\n                                var transaction = db.transaction([APP_NAMESPACE_STORE], 'readwrite');\r\n                                var objectStore = transaction.objectStore(APP_NAMESPACE_STORE);\r\n                                var compositeKey = _this.createCompositeKey(key);\r\n                                try {\r\n                                    var request = objectStore.delete(compositeKey);\r\n                                    request.onerror = function (event) {\r\n                                        reject(toFirebaseError(event, \"storage-delete\" /* STORAGE_DELETE */));\r\n                                    };\r\n                                    request.onsuccess = function () {\r\n                                        resolve();\r\n                                    };\r\n                                }\r\n                                catch (e) {\r\n                                    reject(ERROR_FACTORY.create(\"storage-delete\" /* STORAGE_DELETE */, {\r\n                                        originalErrorMessage: e && e.message\r\n                                    }));\r\n                                }\r\n                            })];\r\n                }\r\n            });\r\n        });\r\n    };\r\n    // Facilitates composite key functionality (which is unsupported in IE).\r\n    Storage.prototype.createCompositeKey = function (key) {\r\n        return [this.appId, this.appName, this.namespace, key].join();\r\n    };\r\n    return Storage;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * A memory cache layer over storage to support the SDK's synchronous read requirements.\r\n */\r\nvar StorageCache = /** @class */ (function () {\r\n    function StorageCache(storage) {\r\n        this.storage = storage;\r\n    }\r\n    /**\r\n     * Memory-only getters\r\n     */\r\n    StorageCache.prototype.getLastFetchStatus = function () {\r\n        return this.lastFetchStatus;\r\n    };\r\n    StorageCache.prototype.getLastSuccessfulFetchTimestampMillis = function () {\r\n        return this.lastSuccessfulFetchTimestampMillis;\r\n    };\r\n    StorageCache.prototype.getActiveConfig = function () {\r\n        return this.activeConfig;\r\n    };\r\n    /**\r\n     * Read-ahead getter\r\n     */\r\n    StorageCache.prototype.loadFromStorage = function () {\r\n        return tslib.__awaiter(this, void 0, void 0, function () {\r\n            var lastFetchStatusPromise, lastSuccessfulFetchTimestampMillisPromise, activeConfigPromise, lastFetchStatus, lastSuccessfulFetchTimestampMillis, activeConfig;\r\n            return tslib.__generator(this, function (_a) {\r\n                switch (_a.label) {\r\n                    case 0:\r\n                        lastFetchStatusPromise = this.storage.getLastFetchStatus();\r\n                        lastSuccessfulFetchTimestampMillisPromise = this.storage.getLastSuccessfulFetchTimestampMillis();\r\n                        activeConfigPromise = this.storage.getActiveConfig();\r\n                        return [4 /*yield*/, lastFetchStatusPromise];\r\n                    case 1:\r\n                        lastFetchStatus = _a.sent();\r\n                        if (lastFetchStatus) {\r\n                            this.lastFetchStatus = lastFetchStatus;\r\n                        }\r\n                        return [4 /*yield*/, lastSuccessfulFetchTimestampMillisPromise];\r\n                    case 2:\r\n                        lastSuccessfulFetchTimestampMillis = _a.sent();\r\n                        if (lastSuccessfulFetchTimestampMillis) {\r\n                            this.lastSuccessfulFetchTimestampMillis = lastSuccessfulFetchTimestampMillis;\r\n                        }\r\n                        return [4 /*yield*/, activeConfigPromise];\r\n                    case 3:\r\n                        activeConfig = _a.sent();\r\n                        if (activeConfig) {\r\n                            this.activeConfig = activeConfig;\r\n                        }\r\n                        return [2 /*return*/];\r\n                }\r\n            });\r\n        });\r\n    };\r\n    /**\r\n     * Write-through setters\r\n     */\r\n    StorageCache.prototype.setLastFetchStatus = function (status) {\r\n        this.lastFetchStatus = status;\r\n        return this.storage.setLastFetchStatus(status);\r\n    };\r\n    StorageCache.prototype.setLastSuccessfulFetchTimestampMillis = function (timestampMillis) {\r\n        this.lastSuccessfulFetchTimestampMillis = timestampMillis;\r\n        return this.storage.setLastSuccessfulFetchTimestampMillis(timestampMillis);\r\n    };\r\n    StorageCache.prototype.setActiveConfig = function (activeConfig) {\r\n        this.activeConfig = activeConfig;\r\n        return this.storage.setActiveConfig(activeConfig);\r\n    };\r\n    return StorageCache;\r\n}());\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * Supports waiting on a backoff by:\r\n *\r\n * <ul>\r\n *   <li>Promisifying setTimeout, so we can set a timeout in our Promise chain</li>\r\n *   <li>Listening on a signal bus for abort events, just like the Fetch API</li>\r\n *   <li>Failing in the same way the Fetch API fails, so timing out a live request and a throttled\r\n *       request appear the same.</li>\r\n * </ul>\r\n *\r\n * <p>Visible for testing.\r\n */\r\nfunction setAbortableTimeout(signal, throttleEndTimeMillis) {\r\n    return new Promise(function (resolve, reject) {\r\n        // Derives backoff from given end time, normalizing negative numbers to zero.\r\n        var backoffMillis = Math.max(throttleEndTimeMillis - Date.now(), 0);\r\n        var timeout = setTimeout(resolve, backoffMillis);\r\n        // Adds listener, rather than sets onabort, because signal is a shared object.\r\n        signal.addEventListener(function () {\r\n            clearTimeout(timeout);\r\n            // If the request completes before this timeout, the rejection has no effect.\r\n            reject(ERROR_FACTORY.create(\"fetch-throttle\" /* FETCH_THROTTLE */, {\r\n                throttleEndTimeMillis: throttleEndTimeMillis\r\n            }));\r\n        });\r\n    });\r\n}\r\n/**\r\n * Returns true if the {@link Error} indicates a fetch request may succeed later.\r\n */\r\nfunction isRetriableError(e) {\r\n    if (!(e instanceof util.FirebaseError)) {\r\n        return false;\r\n    }\r\n    // Uses string index defined by ErrorData, which FirebaseError implements.\r\n    var httpStatus = Number(e['httpStatus']);\r\n    return (httpStatus === 429 ||\r\n        httpStatus === 500 ||\r\n        httpStatus === 503 ||\r\n        httpStatus === 504);\r\n}\r\n/**\r\n * Decorates a Client with retry logic.\r\n *\r\n * <p>Comparable to CachingClient, but uses backoff logic instead of cache max age and doesn't cache\r\n * responses (because the SDK has no use for error responses).\r\n */\r\nvar RetryingClient = /** @class */ (function () {\r\n    function RetryingClient(client, storage) {\r\n        this.client = client;\r\n        this.storage = storage;\r\n    }\r\n    RetryingClient.prototype.fetch = function (request) {\r\n        return tslib.__awaiter(this, void 0, void 0, function () {\r\n            var throttleMetadata;\r\n            return tslib.__generator(this, function (_a) {\r\n                switch (_a.label) {\r\n                    case 0: return [4 /*yield*/, this.storage.getThrottleMetadata()];\r\n                    case 1:\r\n                        throttleMetadata = (_a.sent()) || {\r\n                            backoffCount: 0,\r\n                            throttleEndTimeMillis: Date.now()\r\n                        };\r\n                        return [2 /*return*/, this.attemptFetch(request, throttleMetadata)];\r\n                }\r\n            });\r\n        });\r\n    };\r\n    /**\r\n     * A recursive helper for attempting a fetch request repeatedly.\r\n     *\r\n     * @throws any non-retriable errors.\r\n     */\r\n    RetryingClient.prototype.attemptFetch = function (request, _a) {\r\n        var throttleEndTimeMillis = _a.throttleEndTimeMillis, backoffCount = _a.backoffCount;\r\n        return tslib.__awaiter(this, void 0, void 0, function () {\r\n            var response, e_1, throttleMetadata;\r\n            return tslib.__generator(this, function (_b) {\r\n                switch (_b.label) {\r\n                    case 0: \r\n                    // Starts with a (potentially zero) timeout to support resumption from stored state.\r\n                    // Ensures the throttle end time is honored if the last attempt timed out.\r\n                    // Note the SDK will never make a request if the fetch timeout expires at this point.\r\n                    return [4 /*yield*/, setAbortableTimeout(request.signal, throttleEndTimeMillis)];\r\n                    case 1:\r\n                        // Starts with a (potentially zero) timeout to support resumption from stored state.\r\n                        // Ensures the throttle end time is honored if the last attempt timed out.\r\n                        // Note the SDK will never make a request if the fetch timeout expires at this point.\r\n                        _b.sent();\r\n                        _b.label = 2;\r\n                    case 2:\r\n                        _b.trys.push([2, 5, , 7]);\r\n                        return [4 /*yield*/, this.client.fetch(request)];\r\n                    case 3:\r\n                        response = _b.sent();\r\n                        // Note the SDK only clears throttle state if response is success or non-retriable.\r\n                        return [4 /*yield*/, this.storage.deleteThrottleMetadata()];\r\n                    case 4:\r\n                        // Note the SDK only clears throttle state if response is success or non-retriable.\r\n                        _b.sent();\r\n                        return [2 /*return*/, response];\r\n                    case 5:\r\n                        e_1 = _b.sent();\r\n                        if (!isRetriableError(e_1)) {\r\n                            throw e_1;\r\n                        }\r\n                        throttleMetadata = {\r\n                            throttleEndTimeMillis: Date.now() + util.calculateBackoffMillis(backoffCount),\r\n                            backoffCount: backoffCount + 1\r\n                        };\r\n                        // Persists state.\r\n                        return [4 /*yield*/, this.storage.setThrottleMetadata(throttleMetadata)];\r\n                    case 6:\r\n                        // Persists state.\r\n                        _b.sent();\r\n                        return [2 /*return*/, this.attemptFetch(request, throttleMetadata)];\r\n                    case 7: return [2 /*return*/];\r\n                }\r\n            });\r\n        });\r\n    };\r\n    return RetryingClient;\r\n}());\n\nvar name = \"@firebase/remote-config\";\nvar version = \"0.1.28\";\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nfunction registerRemoteConfig(firebaseInstance) {\r\n    firebaseInstance.INTERNAL.registerComponent(new component.Component('remoteConfig', remoteConfigFactory, \"PUBLIC\" /* PUBLIC */).setMultipleInstances(true));\r\n    firebaseInstance.registerVersion(name, version);\r\n    function remoteConfigFactory(container, namespace) {\r\n        /* Dependencies */\r\n        // getImmediate for FirebaseApp will always succeed\r\n        var app = container.getProvider('app').getImmediate();\r\n        // The following call will always succeed because rc has `import '@firebase/installations'`\r\n        var installations = container.getProvider('installations').getImmediate();\r\n        // Guards against the SDK being used in non-browser environments.\r\n        if (typeof window === 'undefined') {\r\n            throw ERROR_FACTORY.create(\"registration-window\" /* REGISTRATION_WINDOW */);\r\n        }\r\n        // Normalizes optional inputs.\r\n        var _a = app.options, projectId = _a.projectId, apiKey = _a.apiKey, appId = _a.appId;\r\n        if (!projectId) {\r\n            throw ERROR_FACTORY.create(\"registration-project-id\" /* REGISTRATION_PROJECT_ID */);\r\n        }\r\n        if (!apiKey) {\r\n            throw ERROR_FACTORY.create(\"registration-api-key\" /* REGISTRATION_API_KEY */);\r\n        }\r\n        if (!appId) {\r\n            throw ERROR_FACTORY.create(\"registration-app-id\" /* REGISTRATION_APP_ID */);\r\n        }\r\n        namespace = namespace || 'firebase';\r\n        var storage = new Storage(appId, app.name, namespace);\r\n        var storageCache = new StorageCache(storage);\r\n        var logger$1 = new logger.Logger(name);\r\n        // Sets ERROR as the default log level.\r\n        // See RemoteConfig#setLogLevel for corresponding normalization to ERROR log level.\r\n        logger$1.logLevel = logger.LogLevel.ERROR;\r\n        var restClient = new RestClient(installations, \r\n        // Uses the JS SDK version, by which the RC package version can be deduced, if necessary.\r\n        firebaseInstance.SDK_VERSION, namespace, projectId, apiKey, appId);\r\n        var retryingClient = new RetryingClient(restClient, storage);\r\n        var cachingClient = new CachingClient(retryingClient, storage, storageCache, logger$1);\r\n        var remoteConfigInstance = new RemoteConfig(app, cachingClient, storageCache, storage, logger$1);\r\n        // Starts warming cache.\r\n        // eslint-disable-next-line @typescript-eslint/no-floating-promises\r\n        remoteConfigInstance.ensureInitialized();\r\n        return remoteConfigInstance;\r\n    }\r\n}\r\nregisterRemoteConfig(firebase__default['default']);\n\nexports.registerRemoteConfig = registerRemoteConfig;\n//# sourceMappingURL=index.cjs.js.map\n\n\n//# sourceURL=webpack:///./node_modules/@firebase/remote-config/dist/index.cjs.js?")},function(module,exports,__webpack_require__){eval("/* WEBPACK VAR INJECTION */(function(process) {/* @flow */\n/*::\n\ntype DotenvParseOptions = {\n  debug?: boolean\n}\n\n// keys and values from src\ntype DotenvParseOutput = { [string]: string }\n\ntype DotenvConfigOptions = {\n  path?: string, // path to .env file\n  encoding?: string, // encoding of .env file\n  debug?: string // turn on logging for debugging purposes\n}\n\ntype DotenvConfigOutput = {\n  parsed?: DotenvParseOutput,\n  error?: Error\n}\n\n*/\n\nconst fs = __webpack_require__(28)\nconst path = __webpack_require__(29)\n\nfunction log (message /*: string */) {\n  console.log(`[dotenv][DEBUG] ${message}`)\n}\n\n// Parses src into an Object\nfunction parse (src /*: string | Buffer */, options /*: ?DotenvParseOptions */) /*: DotenvParseOutput */ {\n  const debug = Boolean(options && options.debug)\n  const obj = {}\n\n  // convert Buffers before splitting into lines and processing\n  src.toString().split('\\n').forEach(function (line, idx) {\n    // matching \"KEY' and 'VAL' in 'KEY=VAL'\n    const keyValueArr = line.match(/^\\s*([\\w.-]+)\\s*=\\s*(.*)?\\s*$/)\n    // matched?\n    if (keyValueArr != null) {\n      const key = keyValueArr[1]\n\n      // default undefined or missing values to empty string\n      let value = keyValueArr[2] || ''\n\n      // expand newlines in quoted values\n      const len = value ? value.length : 0\n      if (len > 0 && value.charAt(0) === '\"' && value.charAt(len - 1) === '\"') {\n        value = value.replace(/\\\\n/gm, '\\n')\n      }\n\n      // remove any surrounding quotes and extra spaces\n      value = value.replace(/(^['\"]|['\"]$)/g, '').trim()\n\n      obj[key] = value\n    } else if (debug) {\n      log(`did not match key and value when parsing line ${idx + 1}: ${line}`)\n    }\n  })\n\n  return obj\n}\n\n// Populates process.env from .env file\nfunction config (options /*: ?DotenvConfigOptions */) /*: DotenvConfigOutput */ {\n  let dotenvPath = path.resolve(process.cwd(), '.env')\n  let encoding /*: string */ = 'utf8'\n  let debug = false\n\n  if (options) {\n    if (options.path != null) {\n      dotenvPath = options.path\n    }\n    if (options.encoding != null) {\n      encoding = options.encoding\n    }\n    if (options.debug != null) {\n      debug = true\n    }\n  }\n\n  try {\n    // specifying an encoding returns a string instead of a buffer\n    const parsed = parse(fs.readFileSync(dotenvPath, { encoding }), { debug })\n\n    Object.keys(parsed).forEach(function (key) {\n      if (!process.env.hasOwnProperty(key)) {\n        process.env[key] = parsed[key]\n      } else if (debug) {\n        log(`\"${key}\" is already defined in \\`process.env\\` and will not be overwritten`)\n      }\n    })\n\n    return { parsed }\n  } catch (e) {\n    return { error: e }\n  }\n}\n\nmodule.exports.config = config\nmodule.exports.load = config\nmodule.exports.parse = parse\n\n/* WEBPACK VAR INJECTION */}.call(this, __webpack_require__(7)))\n\n//# sourceURL=webpack:///./node_modules/dotenv/lib/main.js?")},function(module,exports){eval("\n\n//# sourceURL=webpack:///./node_modules/node-libs-browser/mock/empty.js?")},function(module,exports,__webpack_require__){eval("/* WEBPACK VAR INJECTION */(function(process) {// .dirname, .basename, and .extname methods are extracted from Node.js v8.11.1,\n// backported and transplited with Babel, with backwards-compat fixes\n\n// Copyright Joyent, Inc. and other Node contributors.\n//\n// Permission is hereby granted, free of charge, to any person obtaining a\n// copy of this software and associated documentation files (the\n// \"Software\"), to deal in the Software without restriction, including\n// without limitation the rights to use, copy, modify, merge, publish,\n// distribute, sublicense, and/or sell copies of the Software, and to permit\n// persons to whom the Software is furnished to do so, subject to the\n// following conditions:\n//\n// The above copyright notice and this permission notice shall be included\n// in all copies or substantial portions of the Software.\n//\n// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS\n// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\n// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN\n// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,\n// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR\n// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE\n// USE OR OTHER DEALINGS IN THE SOFTWARE.\n\n// resolves . and .. elements in a path array with directory names there\n// must be no slashes, empty elements, or device names (c:\\) in the array\n// (so also no leading and trailing slashes - it does not distinguish\n// relative and absolute paths)\nfunction normalizeArray(parts, allowAboveRoot) {\n  // if the path tries to go above the root, `up` ends up > 0\n  var up = 0;\n  for (var i = parts.length - 1; i >= 0; i--) {\n    var last = parts[i];\n    if (last === '.') {\n      parts.splice(i, 1);\n    } else if (last === '..') {\n      parts.splice(i, 1);\n      up++;\n    } else if (up) {\n      parts.splice(i, 1);\n      up--;\n    }\n  }\n\n  // if the path is allowed to go above the root, restore leading ..s\n  if (allowAboveRoot) {\n    for (; up--; up) {\n      parts.unshift('..');\n    }\n  }\n\n  return parts;\n}\n\n// path.resolve([from ...], to)\n// posix version\nexports.resolve = function() {\n  var resolvedPath = '',\n      resolvedAbsolute = false;\n\n  for (var i = arguments.length - 1; i >= -1 && !resolvedAbsolute; i--) {\n    var path = (i >= 0) ? arguments[i] : process.cwd();\n\n    // Skip empty and invalid entries\n    if (typeof path !== 'string') {\n      throw new TypeError('Arguments to path.resolve must be strings');\n    } else if (!path) {\n      continue;\n    }\n\n    resolvedPath = path + '/' + resolvedPath;\n    resolvedAbsolute = path.charAt(0) === '/';\n  }\n\n  // At this point the path should be resolved to a full absolute path, but\n  // handle relative paths to be safe (might happen when process.cwd() fails)\n\n  // Normalize the path\n  resolvedPath = normalizeArray(filter(resolvedPath.split('/'), function(p) {\n    return !!p;\n  }), !resolvedAbsolute).join('/');\n\n  return ((resolvedAbsolute ? '/' : '') + resolvedPath) || '.';\n};\n\n// path.normalize(path)\n// posix version\nexports.normalize = function(path) {\n  var isAbsolute = exports.isAbsolute(path),\n      trailingSlash = substr(path, -1) === '/';\n\n  // Normalize the path\n  path = normalizeArray(filter(path.split('/'), function(p) {\n    return !!p;\n  }), !isAbsolute).join('/');\n\n  if (!path && !isAbsolute) {\n    path = '.';\n  }\n  if (path && trailingSlash) {\n    path += '/';\n  }\n\n  return (isAbsolute ? '/' : '') + path;\n};\n\n// posix version\nexports.isAbsolute = function(path) {\n  return path.charAt(0) === '/';\n};\n\n// posix version\nexports.join = function() {\n  var paths = Array.prototype.slice.call(arguments, 0);\n  return exports.normalize(filter(paths, function(p, index) {\n    if (typeof p !== 'string') {\n      throw new TypeError('Arguments to path.join must be strings');\n    }\n    return p;\n  }).join('/'));\n};\n\n\n// path.relative(from, to)\n// posix version\nexports.relative = function(from, to) {\n  from = exports.resolve(from).substr(1);\n  to = exports.resolve(to).substr(1);\n\n  function trim(arr) {\n    var start = 0;\n    for (; start < arr.length; start++) {\n      if (arr[start] !== '') break;\n    }\n\n    var end = arr.length - 1;\n    for (; end >= 0; end--) {\n      if (arr[end] !== '') break;\n    }\n\n    if (start > end) return [];\n    return arr.slice(start, end - start + 1);\n  }\n\n  var fromParts = trim(from.split('/'));\n  var toParts = trim(to.split('/'));\n\n  var length = Math.min(fromParts.length, toParts.length);\n  var samePartsLength = length;\n  for (var i = 0; i < length; i++) {\n    if (fromParts[i] !== toParts[i]) {\n      samePartsLength = i;\n      break;\n    }\n  }\n\n  var outputParts = [];\n  for (var i = samePartsLength; i < fromParts.length; i++) {\n    outputParts.push('..');\n  }\n\n  outputParts = outputParts.concat(toParts.slice(samePartsLength));\n\n  return outputParts.join('/');\n};\n\nexports.sep = '/';\nexports.delimiter = ':';\n\nexports.dirname = function (path) {\n  if (typeof path !== 'string') path = path + '';\n  if (path.length === 0) return '.';\n  var code = path.charCodeAt(0);\n  var hasRoot = code === 47 /*/*/;\n  var end = -1;\n  var matchedSlash = true;\n  for (var i = path.length - 1; i >= 1; --i) {\n    code = path.charCodeAt(i);\n    if (code === 47 /*/*/) {\n        if (!matchedSlash) {\n          end = i;\n          break;\n        }\n      } else {\n      // We saw the first non-path separator\n      matchedSlash = false;\n    }\n  }\n\n  if (end === -1) return hasRoot ? '/' : '.';\n  if (hasRoot && end === 1) {\n    // return '//';\n    // Backwards-compat fix:\n    return '/';\n  }\n  return path.slice(0, end);\n};\n\nfunction basename(path) {\n  if (typeof path !== 'string') path = path + '';\n\n  var start = 0;\n  var end = -1;\n  var matchedSlash = true;\n  var i;\n\n  for (i = path.length - 1; i >= 0; --i) {\n    if (path.charCodeAt(i) === 47 /*/*/) {\n        // If we reached a path separator that was not part of a set of path\n        // separators at the end of the string, stop now\n        if (!matchedSlash) {\n          start = i + 1;\n          break;\n        }\n      } else if (end === -1) {\n      // We saw the first non-path separator, mark this as the end of our\n      // path component\n      matchedSlash = false;\n      end = i + 1;\n    }\n  }\n\n  if (end === -1) return '';\n  return path.slice(start, end);\n}\n\n// Uses a mixed approach for backwards-compatibility, as ext behavior changed\n// in new Node.js versions, so only basename() above is backported here\nexports.basename = function (path, ext) {\n  var f = basename(path);\n  if (ext && f.substr(-1 * ext.length) === ext) {\n    f = f.substr(0, f.length - ext.length);\n  }\n  return f;\n};\n\nexports.extname = function (path) {\n  if (typeof path !== 'string') path = path + '';\n  var startDot = -1;\n  var startPart = 0;\n  var end = -1;\n  var matchedSlash = true;\n  // Track the state of characters (if any) we see before our first dot and\n  // after any path separator we find\n  var preDotState = 0;\n  for (var i = path.length - 1; i >= 0; --i) {\n    var code = path.charCodeAt(i);\n    if (code === 47 /*/*/) {\n        // If we reached a path separator that was not part of a set of path\n        // separators at the end of the string, stop now\n        if (!matchedSlash) {\n          startPart = i + 1;\n          break;\n        }\n        continue;\n      }\n    if (end === -1) {\n      // We saw the first non-path separator, mark this as the end of our\n      // extension\n      matchedSlash = false;\n      end = i + 1;\n    }\n    if (code === 46 /*.*/) {\n        // If this is our first dot, mark it as the start of our extension\n        if (startDot === -1)\n          startDot = i;\n        else if (preDotState !== 1)\n          preDotState = 1;\n    } else if (startDot !== -1) {\n      // We saw a non-dot and non-path separator before our dot, so we should\n      // have a good chance at having a non-empty extension\n      preDotState = -1;\n    }\n  }\n\n  if (startDot === -1 || end === -1 ||\n      // We saw a non-dot character immediately before the dot\n      preDotState === 0 ||\n      // The (right-most) trimmed path component is exactly '..'\n      preDotState === 1 && startDot === end - 1 && startDot === startPart + 1) {\n    return '';\n  }\n  return path.slice(startDot, end);\n};\n\nfunction filter (xs, f) {\n    if (xs.filter) return xs.filter(f);\n    var res = [];\n    for (var i = 0; i < xs.length; i++) {\n        if (f(xs[i], i, xs)) res.push(xs[i]);\n    }\n    return res;\n}\n\n// String.prototype.substr - negative index don't work in IE8\nvar substr = 'ab'.substr(-1) === 'b'\n    ? function (str, start, len) { return str.substr(start, len) }\n    : function (str, start, len) {\n        if (start < 0) start = str.length + start;\n        return str.substr(start, len);\n    }\n;\n\n/* WEBPACK VAR INJECTION */}.call(this, __webpack_require__(7)))\n\n//# sourceURL=webpack:///./node_modules/path-browserify/index.js?")},function(module,__webpack_exports__,__webpack_require__){"use strict";eval('__webpack_require__.r(__webpack_exports__);\n\n// EXTERNAL MODULE: ./node_modules/react/index.js\nvar react = __webpack_require__(4);\nvar react_default = /*#__PURE__*/__webpack_require__.n(react);\n\n// EXTERNAL MODULE: ./node_modules/react-dom/index.js\nvar react_dom = __webpack_require__(11);\nvar react_dom_default = /*#__PURE__*/__webpack_require__.n(react_dom);\n\n// EXTERNAL MODULE: ./node_modules/firebase/dist/index.cjs.js\nvar index_cjs = __webpack_require__(9);\nvar index_cjs_default = /*#__PURE__*/__webpack_require__.n(index_cjs);\n\n// CONCATENATED MODULE: ./src/initialize.js\n // var config = {\n//   apiKey: "AIzaSyCcC5AJnoud0tLx91wrBB2ZfSiBDPPdkp4",\n//   // authDomain: "recaho-ecom.firebaseapp.com",\n//   // databaseURL: "https://recaho-ecom.firebaseio.com",\n//   projectId: "recaho-btoc",\n//   // storageBucket: "recaho-ecom.appspot.com",\n//   messagingSenderId: "82679300973"\n// };\n\nvar config = {\n  apiKey: "AIzaSyCcC5AJnoud0tLx91wrBB2ZfSiBDPPdkp4",\n  authDomain: "recaho-btoc.firebaseapp.com",\n  databaseURL: "https://recaho-btoc.firebaseio.com",\n  projectId: "recaho-btoc",\n  storageBucket: "recaho-btoc.appspot.com",\n  messagingSenderId: "82679300973",\n  appId: "1:82679300973:web:8221b8718b321bb2f1d064"\n};\nindex_cjs_default.a.initializeApp(config); // function initializePush() {\n//   const messaging = firebase.messaging();\n//   messaging.requestPermission()\n//     .then(() => {\n//       console.log("Have Permission");\n//       //   return messaging.getToken();\n//     })\n//     // .then(token => {\n//       // console.log("FCM Token:", token);\n//       //you probably want to send your new found FCM token to the\n//       //application server so that they can send any push\n//       //notification to you.\n//     // })\n//     .catch(error => {\n//       if (error.code === "messaging/permission-blocked") {\n//         console.log("Please Unblock Notification Request Manually");\n//       } else {\n//         console.log("Error Occurred", error);\n//         // console.log("Error Occurred", error.stack);\n//       }\n//     });\n//     messaging.onMessage(payload => {\n//       console.log("onMessage : Notification Received", payload);\n//       //this is the function that gets triggered when you receive a \n//       //push notification while you’re on the page. So you can \n//       //create a corresponding UI for you to have the push \n//       //notification handled.\n//    });\n// }\n\nfunction initializePush() {\n  if (index_cjs_default.a.messaging.isSupported()) {\n    var messaging = index_cjs_default.a.messaging();\n    messaging.requestPermission().then(function () {\n      console.log("Have Permission"); //   return messaging.getToken();\n    }) // .then(token => {\n    // console.log("FCM Token:", token);\n    //you probably want to send your new found FCM token to the\n    //application server so that they can send any push\n    //notification to you.\n    // })\n    .catch(function (error) {\n      if (error.code === "messaging/permission-blocked") {\n        console.log("Please Unblock Notification Request Manually");\n      } else {\n        console.log("Error Occurred", error); // console.log("Error Occurred", error.stack);\n      }\n    });\n    messaging.onMessage(function (payload) {\n      console.log("onMessage : Notification Received", payload); //this is the function that gets triggered when you receive a \n      //push notification while you\'re on the page. So you can \n      //create a corresponding UI for you to have the push \n      //notification handled.\n    });\n  }\n}\n\n/* harmony default export */ var initialize = (initializePush); // \x3c!-- The core Firebase JS SDK is always required and must be listed first --\x3e\n// <script src="https://www.gstatic.com/firebasejs/7.6.1/firebase-app.js"><\/script>\n// \x3c!-- TODO: Add SDKs for Firebase products that you want to use\n//      https://firebase.google.com/docs/web/setup#available-libraries --\x3e\n// <script>\n//   // Your web app\'s Firebase configuration\n//   var firebaseConfig = {\n//     apiKey: "AIzaSyCcC5AJnoud0tLx91wrBB2ZfSiBDPPdkp4",\n//     authDomain: "recaho-btoc.firebaseapp.com",\n//     databaseURL: "https://recaho-btoc.firebaseio.com",\n//     projectId: "recaho-btoc",\n//     storageBucket: "recaho-btoc.appspot.com",\n//     messagingSenderId: "82679300973",\n//     appId: "1:82679300973:web:8221b8718b321bb2f1d064"\n//   };\n//   // Initialize Firebase\n//   firebase.initializeApp(firebaseConfig);\n// <\/script>\n// CONCATENATED MODULE: ./src/index.js\n\n\n\nvar ApolloIndex = /*#__PURE__*/react_default.a.lazy(function () {\n  return Promise.all(/* import() */[__webpack_require__.e(18), __webpack_require__.e(27)]).then(__webpack_require__.bind(null, 3255));\n});\nvar IJFApolloIndex = /*#__PURE__*/react_default.a.lazy(function () {\n  return Promise.all(/* import() */[__webpack_require__.e(0), __webpack_require__.e(1), __webpack_require__.e(3), __webpack_require__.e(2), __webpack_require__.e(14)]).then(__webpack_require__.bind(null, 3259));\n});\n\n__webpack_require__(27).config();\n\ninitialize();\n\nif (false) {} // if(window && window.document){\n//   window.document.cookie = \'version=; Path=/; Expires=Thu, 01 Jan 1970 00:00:01 GMT;\';\n// }\n\n\nreact_dom_default.a.render( /*#__PURE__*/react_default.a.createElement(react["Suspense"], {\n  fallback: null\n}, window.location.pathname == \'/ijf19\' ? /*#__PURE__*/react_default.a.createElement(IJFApolloIndex, null) : /*#__PURE__*/react_default.a.createElement(ApolloIndex, null)), document.getElementById("root")); // ReactDOM.render(<ApolloIndex/>, document.getElementById("root"));\n\n//# sourceURL=webpack:///./src/index.js_+_1_modules?')}]);