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* @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 Firebase constants.  Some of these (@defines) can be overridden at compile-time.\r\n */\r\nconst CONSTANTS = {\r\n    /**\r\n     * @define {boolean} Whether this is the client Node.js SDK.\r\n     */\r\n    NODE_CLIENT: false,\r\n    /**\r\n     * @define {boolean} Whether this is the Admin Node.js SDK.\r\n     */\r\n    NODE_ADMIN: false,\r\n    /**\r\n     * Firebase SDK Version\r\n     */\r\n    SDK_VERSION: '${JSCORE_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\n/**\r\n * Throws an error if the provided assertion is falsy\r\n */\r\nconst assert = function (assertion, message) {\r\n    if (!assertion) {\r\n        throw assertionError(message);\r\n    }\r\n};\r\n/**\r\n * Returns an Error object suitable for throwing.\r\n */\r\nconst assertionError = function (message) {\r\n    return new Error('Firebase Database (' +\r\n        CONSTANTS.SDK_VERSION +\r\n        ') INTERNAL ASSERT FAILED: ' +\r\n        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\nconst stringToByteArray$1 = function (str) {\r\n    // TODO(user): Use native implementations if/when available\r\n    const out = [];\r\n    let p = 0;\r\n    for (let i = 0; i < str.length; i++) {\r\n        let 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\nconst byteArrayToString = function (bytes) {\r\n    // TODO(user): Use native implementations if/when available\r\n    const out = [];\r\n    let pos = 0, c = 0;\r\n    while (pos < bytes.length) {\r\n        const 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            const 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            const c2 = bytes[pos++];\r\n            const c3 = bytes[pos++];\r\n            const c4 = bytes[pos++];\r\n            const 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            const c2 = bytes[pos++];\r\n            const 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\nconst 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(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        const byteToCharMap = webSafe\r\n            ? this.byteToCharMapWebSafe_\r\n            : this.byteToCharMap_;\r\n        const output = [];\r\n        for (let i = 0; i < input.length; i += 3) {\r\n            const byte1 = input[i];\r\n            const haveByte2 = i + 1 < input.length;\r\n            const byte2 = haveByte2 ? input[i + 1] : 0;\r\n            const haveByte3 = i + 2 < input.length;\r\n            const byte3 = haveByte3 ? input[i + 2] : 0;\r\n            const outByte1 = byte1 >> 2;\r\n            const outByte2 = ((byte1 & 0x03) << 4) | (byte2 >> 4);\r\n            let outByte3 = ((byte2 & 0x0f) << 2) | (byte3 >> 6);\r\n            let 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(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$1(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(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(input, webSafe) {\r\n        this.init_();\r\n        const charToByteMap = webSafe\r\n            ? this.charToByteMapWebSafe_\r\n            : this.charToByteMap_;\r\n        const output = [];\r\n        for (let i = 0; i < input.length;) {\r\n            const byte1 = charToByteMap[input.charAt(i++)];\r\n            const haveByte2 = i < input.length;\r\n            const byte2 = haveByte2 ? charToByteMap[input.charAt(i)] : 0;\r\n            ++i;\r\n            const haveByte3 = i < input.length;\r\n            const byte3 = haveByte3 ? charToByteMap[input.charAt(i)] : 64;\r\n            ++i;\r\n            const haveByte4 = i < input.length;\r\n            const byte4 = haveByte4 ? charToByteMap[input.charAt(i)] : 64;\r\n            ++i;\r\n            if (byte1 == null || byte2 == null || byte3 == null || byte4 == null) {\r\n                throw new DecodeBase64StringError();\r\n            }\r\n            const outByte1 = (byte1 << 2) | (byte2 >> 4);\r\n            output.push(outByte1);\r\n            if (byte3 !== 64) {\r\n                const outByte2 = ((byte2 << 4) & 0xf0) | (byte3 >> 2);\r\n                output.push(outByte2);\r\n                if (byte4 !== 64) {\r\n                    const 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_() {\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 (let 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 * An error encountered while decoding base64 string.\r\n */\r\nclass DecodeBase64StringError extends Error {\r\n    constructor() {\r\n        super(...arguments);\r\n        this.name = 'DecodeBase64StringError';\r\n    }\r\n}\r\n/**\r\n * URL-safe base64 encoding\r\n */\r\nconst base64Encode = function (str) {\r\n    const utf8Bytes = stringToByteArray$1(str);\r\n    return base64.encodeByteArray(utf8Bytes, true);\r\n};\r\n/**\r\n * URL-safe base64 encoding (without \".\" padding in the end).\r\n * e.g. Used in JSON Web Token (JWT) parts.\r\n */\r\nconst base64urlEncodeWithoutPadding = function (str) {\r\n    // Use base64url encoding and remove padding in the end (dot characters).\r\n    return base64Encode(str).replace(/\\./g, '');\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\nconst 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\n * Note: we don't merge __proto__ to prevent prototype pollution\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            const 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 (const prop in source) {\r\n        // use isValidKey to guard against prototype pollution. See https://snyk.io/vuln/SNYK-JS-LODASH-450202\r\n        if (!source.hasOwnProperty(prop) || !isValidKey(prop)) {\r\n            continue;\r\n        }\r\n        target[prop] = deepExtend(target[prop], source[prop]);\r\n    }\r\n    return target;\r\n}\r\nfunction isValidKey(key) {\r\n    return key !== '__proto__';\r\n}\n\n/**\r\n * @license\r\n * Copyright 2022 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 * Polyfill for `globalThis` object.\r\n * @returns the `globalThis` object for the given environment.\r\n * @public\r\n */\r\nfunction getGlobal() {\r\n    if (typeof self !== 'undefined') {\r\n        return self;\r\n    }\r\n    if (typeof window !== 'undefined') {\r\n        return window;\r\n    }\r\n    if (typeof global !== 'undefined') {\r\n        return global;\r\n    }\r\n    throw new Error('Unable to locate global object.');\r\n}\n\n/**\r\n * @license\r\n * Copyright 2022 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\nconst getDefaultsFromGlobal = () => getGlobal().__FIREBASE_DEFAULTS__;\r\n/**\r\n * Attempt to read defaults from a JSON string provided to\r\n * process(.)env(.)__FIREBASE_DEFAULTS__ or a JSON file whose path is in\r\n * process(.)env(.)__FIREBASE_DEFAULTS_PATH__\r\n * The dots are in parens because certain compilers (Vite?) cannot\r\n * handle seeing that variable in comments.\r\n * See https://github.com/firebase/firebase-js-sdk/issues/6838\r\n */\r\nconst getDefaultsFromEnvVariable = () => {\r\n    if (typeof process === 'undefined' || typeof process.env === 'undefined') {\r\n        return;\r\n    }\r\n    const defaultsJsonString = process.env.__FIREBASE_DEFAULTS__;\r\n    if (defaultsJsonString) {\r\n        return JSON.parse(defaultsJsonString);\r\n    }\r\n};\r\nconst getDefaultsFromCookie = () => {\r\n    if (typeof document === 'undefined') {\r\n        return;\r\n    }\r\n    let match;\r\n    try {\r\n        match = document.cookie.match(/__FIREBASE_DEFAULTS__=([^;]+)/);\r\n    }\r\n    catch (e) {\r\n        // Some environments such as Angular Universal SSR have a\r\n        // `document` object but error on accessing `document.cookie`.\r\n        return;\r\n    }\r\n    const decoded = match && base64Decode(match[1]);\r\n    return decoded && JSON.parse(decoded);\r\n};\r\n/**\r\n * Get the __FIREBASE_DEFAULTS__ object. It checks in order:\r\n * (1) if such an object exists as a property of `globalThis`\r\n * (2) if such an object was provided on a shell environment variable\r\n * (3) if such an object exists in a cookie\r\n * @public\r\n */\r\nconst getDefaults = () => {\r\n    try {\r\n        return (getDefaultsFromGlobal() ||\r\n            getDefaultsFromEnvVariable() ||\r\n            getDefaultsFromCookie());\r\n    }\r\n    catch (e) {\r\n        /**\r\n         * Catch-all for being unable to get __FIREBASE_DEFAULTS__ due\r\n         * to any environment case we have not accounted for. Log to\r\n         * info instead of swallowing so we can find these unknown cases\r\n         * and add paths for them if needed.\r\n         */\r\n        console.info(`Unable to get __FIREBASE_DEFAULTS__ due to: ${e}`);\r\n        return;\r\n    }\r\n};\r\n/**\r\n * Returns emulator host stored in the __FIREBASE_DEFAULTS__ object\r\n * for the given product.\r\n * @returns a URL host formatted like `127.0.0.1:9999` or `[::1]:4000` if available\r\n * @public\r\n */\r\nconst getDefaultEmulatorHost = (productName) => { var _a, _b; return (_b = (_a = getDefaults()) === null || _a === void 0 ? void 0 : _a.emulatorHosts) === null || _b === void 0 ? void 0 : _b[productName]; };\r\n/**\r\n * Returns emulator hostname and port stored in the __FIREBASE_DEFAULTS__ object\r\n * for the given product.\r\n * @returns a pair of hostname and port like `[\"::1\", 4000]` if available\r\n * @public\r\n */\r\nconst getDefaultEmulatorHostnameAndPort = (productName) => {\r\n    const host = getDefaultEmulatorHost(productName);\r\n    if (!host) {\r\n        return undefined;\r\n    }\r\n    const separatorIndex = host.lastIndexOf(':'); // Finding the last since IPv6 addr also has colons.\r\n    if (separatorIndex <= 0 || separatorIndex + 1 === host.length) {\r\n        throw new Error(`Invalid host ${host} with no separate hostname and port!`);\r\n    }\r\n    // eslint-disable-next-line no-restricted-globals\r\n    const port = parseInt(host.substring(separatorIndex + 1), 10);\r\n    if (host[0] === '[') {\r\n        // Bracket-quoted `[ipv6addr]:port` => return \"ipv6addr\" (without brackets).\r\n        return [host.substring(1, separatorIndex - 1), port];\r\n    }\r\n    else {\r\n        return [host.substring(0, separatorIndex), port];\r\n    }\r\n};\r\n/**\r\n * Returns Firebase app config stored in the __FIREBASE_DEFAULTS__ object.\r\n * @public\r\n */\r\nconst getDefaultAppConfig = () => { var _a; return (_a = getDefaults()) === null || _a === void 0 ? void 0 : _a.config; };\r\n/**\r\n * Returns an experimental setting on the __FIREBASE_DEFAULTS__ object (properties\r\n * prefixed by \"_\")\r\n * @public\r\n */\r\nconst getExperimentalSetting = (name) => { var _a; return (_a = getDefaults()) === null || _a === void 0 ? void 0 : _a[`_${name}`]; };\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\nclass Deferred {\r\n    constructor() {\r\n        this.reject = () => { };\r\n        this.resolve = () => { };\r\n        this.promise = new Promise((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    wrapCallback(callback) {\r\n        return (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(() => { });\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}\n\n/**\r\n * @license\r\n * Copyright 2021 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 createMockUserToken(token, projectId) {\r\n    if (token.uid) {\r\n        throw new Error('The \"uid\" field is no longer supported by mockUserToken. Please use \"sub\" instead for Firebase Auth User ID.');\r\n    }\r\n    // Unsecured JWTs use \"none\" as the algorithm.\r\n    const header = {\r\n        alg: 'none',\r\n        type: 'JWT'\r\n    };\r\n    const project = projectId || 'demo-project';\r\n    const iat = token.iat || 0;\r\n    const sub = token.sub || token.user_id;\r\n    if (!sub) {\r\n        throw new Error(\"mockUserToken must contain 'sub' or 'user_id' field!\");\r\n    }\r\n    const payload = Object.assign({ \r\n        // Set all required fields to decent defaults\r\n        iss: `https://securetoken.google.com/${project}`, aud: project, iat, exp: iat + 3600, auth_time: iat, sub, user_id: sub, firebase: {\r\n            sign_in_provider: 'custom',\r\n            identities: {}\r\n        } }, token);\r\n    // Unsecured JWTs use the empty string as a signature.\r\n    const signature = '';\r\n    return [\r\n        base64urlEncodeWithoutPadding(JSON.stringify(header)),\r\n        base64urlEncodeWithoutPadding(JSON.stringify(payload)),\r\n        signature\r\n    ].join('.');\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 or specified.\r\n */\r\n// Node detection logic from: https://github.com/iliakan/detect-node/\r\nfunction isNode() {\r\n    var _a;\r\n    const forceEnvironment = (_a = getDefaults()) === null || _a === void 0 ? void 0 : _a.forceEnvironment;\r\n    if (forceEnvironment === 'node') {\r\n        return true;\r\n    }\r\n    else if (forceEnvironment === 'browser') {\r\n        return false;\r\n    }\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    const 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    const 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    try {\r\n        return typeof indexedDB === 'object';\r\n    }\r\n    catch (e) {\r\n        return false;\r\n    }\r\n}\r\n/**\r\n * This method validates browser/sw context for indexedDB by opening a dummy indexedDB database and reject\r\n * if errors occur during the database open operation.\r\n *\r\n * @throws exception if current browser/sw context can't run idb.open (ex: Safari iframe, Firefox\r\n * private browsing)\r\n */\r\nfunction validateIndexedDBOpenable() {\r\n    return new Promise((resolve, reject) => {\r\n        try {\r\n            let preExist = true;\r\n            const DB_CHECK_NAME = 'validate-browser-context-for-indexeddb-analytics-module';\r\n            const request = self.indexedDB.open(DB_CHECK_NAME);\r\n            request.onsuccess = () => {\r\n                request.result.close();\r\n                // delete database only when it doesn't pre-exist\r\n                if (!preExist) {\r\n                    self.indexedDB.deleteDatabase(DB_CHECK_NAME);\r\n                }\r\n                resolve(true);\r\n            };\r\n            request.onupgradeneeded = () => {\r\n                preExist = false;\r\n            };\r\n            request.onerror = () => {\r\n                var _a;\r\n                reject(((_a = request.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 (typeof navigator === 'undefined' || !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\n/**\r\n * @fileoverview Standardized Firebase Error.\r\n *\r\n * Usage:\r\n *\r\n *   // Typescript string literals for type-safe codes\r\n *   type Err =\r\n *     'unknown' |\r\n *     'object-not-found'\r\n *     ;\r\n *\r\n *   // Closure enum for type-safe error codes\r\n *   // at-enum {string}\r\n *   var Err = {\r\n *     UNKNOWN: 'unknown',\r\n *     OBJECT_NOT_FOUND: 'object-not-found',\r\n *   }\r\n *\r\n *   let errors: Map<Err, string> = {\r\n *     'generic-error': \"Unknown error\",\r\n *     'file-not-found': \"Could not find file: {$file}\",\r\n *   };\r\n *\r\n *   // Type-safe function - must pass a valid error code as param.\r\n *   let error = new ErrorFactory<Err>('service', 'Service', errors);\r\n *\r\n *   ...\r\n *   throw error.create(Err.GENERIC);\r\n *   ...\r\n *   throw error.create(Err.FILE_NOT_FOUND, {'file': fileName});\r\n *   ...\r\n *   // Service: Could not file file: foo.txt (service/file-not-found).\r\n *\r\n *   catch (e) {\r\n *     assert(e.message === \"Could not find file: foo.txt.\");\r\n *     if ((e as FirebaseError)?.code === 'service/file-not-found') {\r\n *       console.log(\"Could not read file: \" + e['file']);\r\n *     }\r\n *   }\r\n */\r\nconst 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\nclass FirebaseError extends Error {\r\n    constructor(\r\n    /** The error code for this error. */\r\n    code, message, \r\n    /** Custom data for this error. */\r\n    customData) {\r\n        super(message);\r\n        this.code = code;\r\n        this.customData = customData;\r\n        /** The custom name for all FirebaseErrors. */\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    }\r\n}\r\nclass ErrorFactory {\r\n    constructor(service, serviceName, errors) {\r\n        this.service = service;\r\n        this.serviceName = serviceName;\r\n        this.errors = errors;\r\n    }\r\n    create(code, ...data) {\r\n        const customData = data[0] || {};\r\n        const fullCode = `${this.service}/${code}`;\r\n        const template = this.errors[code];\r\n        const message = template ? replaceTemplate(template, customData) : 'Error';\r\n        // Service Name: Error message (service/code).\r\n        const fullMessage = `${this.serviceName}: ${message} (${fullCode}).`;\r\n        const error = new FirebaseError(fullCode, fullMessage, customData);\r\n        return error;\r\n    }\r\n}\r\nfunction replaceTemplate(template, data) {\r\n    return template.replace(PATTERN, (_, key) => {\r\n        const value = data[key];\r\n        return value != null ? String(value) : `<${key}?>`;\r\n    });\r\n}\r\nconst PATTERN = /\\{\\$([^}]+)}/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\nconst decode = function (token) {\r\n    let header = {}, claims = {}, data = {}, signature = '';\r\n    try {\r\n        const 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,\r\n        claims,\r\n        data,\r\n        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\nconst isValidTimestamp = function (token) {\r\n    const claims = decode(token).claims;\r\n    const now = Math.floor(new Date().getTime() / 1000);\r\n    let 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\nconst issuedAtTime = function (token) {\r\n    const 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\nconst isValidFormat = function (token) {\r\n    const 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\nconst isAdmin = function (token) {\r\n    const 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 (const 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    const res = {};\r\n    for (const 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}\r\n/**\r\n * Deep equal two objects. Support Arrays and Objects.\r\n */\r\nfunction deepEqual(a, b) {\r\n    if (a === b) {\r\n        return true;\r\n    }\r\n    const aKeys = Object.keys(a);\r\n    const bKeys = Object.keys(b);\r\n    for (const k of aKeys) {\r\n        if (!bKeys.includes(k)) {\r\n            return false;\r\n        }\r\n        const aProp = a[k];\r\n        const bProp = b[k];\r\n        if (isObject(aProp) && isObject(bProp)) {\r\n            if (!deepEqual(aProp, bProp)) {\r\n                return false;\r\n            }\r\n        }\r\n        else if (aProp !== bProp) {\r\n            return false;\r\n        }\r\n    }\r\n    for (const k of bKeys) {\r\n        if (!aKeys.includes(k)) {\r\n            return false;\r\n        }\r\n    }\r\n    return true;\r\n}\r\nfunction isObject(thing) {\r\n    return thing !== null && typeof thing === 'object';\r\n}\n\n/**\r\n * @license\r\n * Copyright 2022 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 * Rejects if the given promise doesn't resolve in timeInMS milliseconds.\r\n * @internal\r\n */\r\nfunction promiseWithTimeout(promise, timeInMS = 2000) {\r\n    const deferredPromise = new Deferred();\r\n    setTimeout(() => deferredPromise.reject('timeout!'), timeInMS);\r\n    promise.then(deferredPromise.resolve, deferredPromise.reject);\r\n    return deferredPromise.promise;\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    const params = [];\r\n    for (const [key, value] of Object.entries(querystringParams)) {\r\n        if (Array.isArray(value)) {\r\n            value.forEach(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    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    const obj = {};\r\n    const tokens = querystring.replace(/^\\?/, '').split('&');\r\n    tokens.forEach(token => {\r\n        if (token) {\r\n            const [key, value] = token.split('=');\r\n            obj[decodeURIComponent(key)] = decodeURIComponent(value);\r\n        }\r\n    });\r\n    return obj;\r\n}\r\n/**\r\n * Extract the query string part of a URL, including the leading question mark (if present).\r\n */\r\nfunction extractQuerystring(url) {\r\n    const queryStart = url.indexOf('?');\r\n    if (!queryStart) {\r\n        return '';\r\n    }\r\n    const fragmentStart = url.indexOf('#', queryStart);\r\n    return url.substring(queryStart, fragmentStart > 0 ? fragmentStart : 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 * @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\nclass Sha1 {\r\n    constructor() {\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 (let i = 1; i < this.blockSize; ++i) {\r\n            this.pad_[i] = 0;\r\n        }\r\n        this.reset();\r\n    }\r\n    reset() {\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    compress_(buf, offset) {\r\n        if (!offset) {\r\n            offset = 0;\r\n        }\r\n        const W = this.W_;\r\n        // get 16 big endian words\r\n        if (typeof buf === 'string') {\r\n            for (let 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 (let 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 (let i = 16; i < 80; i++) {\r\n            const 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        let a = this.chain_[0];\r\n        let b = this.chain_[1];\r\n        let c = this.chain_[2];\r\n        let d = this.chain_[3];\r\n        let e = this.chain_[4];\r\n        let f, k;\r\n        // TODO(user): Try to unroll this loop to speed up the computation.\r\n        for (let 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            const 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    update(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        const lengthMinusBlock = length - this.blockSize;\r\n        let n = 0;\r\n        // Using local instead of member variables gives ~5% speedup on Firefox 16.\r\n        const buf = this.buf_;\r\n        let 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    digest() {\r\n        const digest = [];\r\n        let 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 (let 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        let n = 0;\r\n        for (let i = 0; i < 5; i++) {\r\n            for (let 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}\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    const 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\nclass ObserverProxy {\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    constructor(executor, onNoObservers) {\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(() => {\r\n            executor(this);\r\n        })\r\n            .catch(e => {\r\n            this.error(e);\r\n        });\r\n    }\r\n    next(value) {\r\n        this.forEachObserver((observer) => {\r\n            observer.next(value);\r\n        });\r\n    }\r\n    error(error) {\r\n        this.forEachObserver((observer) => {\r\n            observer.error(error);\r\n        });\r\n        this.close(error);\r\n    }\r\n    complete() {\r\n        this.forEachObserver((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    subscribe(nextOrObserver, error, complete) {\r\n        let 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,\r\n                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        const 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(() => {\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    unsubscribeOne(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    forEachObserver(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 (let 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    sendOne(i, fn) {\r\n        // Execute the callback asynchronously\r\n        // eslint-disable-next-line @typescript-eslint/no-floating-promises\r\n        this.task.then(() => {\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    close(err) {\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(() => {\r\n            this.observers = undefined;\r\n            this.onNoObservers = undefined;\r\n        });\r\n    }\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 (...args) => {\r\n        Promise.resolve(true)\r\n            .then(() => {\r\n            fn(...args);\r\n        })\r\n            .catch((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 (const method of methods) {\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\nconst validateArgCount = function (fnName, minCount, maxCount, argCount) {\r\n    let 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        const 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 argName The name of the argument\r\n * @return The prefix to add to the error thrown for validation.\r\n */\r\nfunction errorPrefix(fnName, argName) {\r\n    return `${fnName} failed: ${argName} argument `;\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, 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, 'namespace') + 'must be a valid firebase namespace.');\r\n    }\r\n}\r\nfunction validateCallback(fnName, argumentName, \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, argumentName) + 'must be a valid function.');\r\n    }\r\n}\r\nfunction validateContextObject(fnName, argumentName, 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, argumentName) + '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\nconst stringToByteArray = function (str) {\r\n    const out = [];\r\n    let p = 0;\r\n    for (let i = 0; i < str.length; i++) {\r\n        let c = str.charCodeAt(i);\r\n        // Is this the lead surrogate in a surrogate pair?\r\n        if (c >= 0xd800 && c <= 0xdbff) {\r\n            const high = c - 0xd800; // the high 10 bits.\r\n            i++;\r\n            assert(i < str.length, 'Surrogate pair missing trail surrogate.');\r\n            const 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\nconst stringLength = function (str) {\r\n    let p = 0;\r\n    for (let i = 0; i < str.length; i++) {\r\n        const 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 2022 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 * Copied from https://stackoverflow.com/a/2117523\r\n * Generates a new uuid.\r\n * @public\r\n */\r\nconst uuidv4 = function () {\r\n    return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, c => {\r\n        const r = (Math.random() * 16) | 0, v = c === 'x' ? r : (r & 0x3) | 0x8;\r\n        return v.toString(16);\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 * The amount of milliseconds to exponentially increase.\r\n */\r\nconst 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\nconst 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\nconst 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\nconst 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 = DEFAULT_INTERVAL_MILLIS, 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    const currBaseValue = intervalMillis * Math.pow(backoffFactor, backoffCount);\r\n    // A random \"fuzz\" to avoid waves of retries.\r\n    // Deviation: randomFactor is required.\r\n    const 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\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 * Provide English ordinal letters after a number\r\n */\r\nfunction ordinal(i) {\r\n    if (!Number.isFinite(i)) {\r\n        return `${i}`;\r\n    }\r\n    return i + indicator(i);\r\n}\r\nfunction indicator(i) {\r\n    i = Math.abs(i);\r\n    const cent = i % 100;\r\n    if (cent >= 10 && cent <= 20) {\r\n        return 'th';\r\n    }\r\n    const dec = i % 10;\r\n    if (dec === 1) {\r\n        return 'st';\r\n    }\r\n    if (dec === 2) {\r\n        return 'nd';\r\n    }\r\n    if (dec === 3) {\r\n        return 'rd';\r\n    }\r\n    return 'th';\r\n}\n\n/**\r\n * @license\r\n * Copyright 2021 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 getModularInstance(service) {\r\n    if (service && service._delegate) {\r\n        return service._delegate;\r\n    }\r\n    else {\r\n        return service;\r\n    }\r\n}\n\nexport { CONSTANTS, DecodeBase64StringError, Deferred, ErrorFactory, FirebaseError, MAX_VALUE_MILLIS, RANDOM_FACTOR, Sha1, areCookiesEnabled, assert, assertionError, async, base64, base64Decode, base64Encode, base64urlEncodeWithoutPadding, calculateBackoffMillis, contains, createMockUserToken, createSubscribe, decode, deepCopy, deepEqual, deepExtend, errorPrefix, extractQuerystring, getDefaultAppConfig, getDefaultEmulatorHost, getDefaultEmulatorHostnameAndPort, getDefaults, getExperimentalSetting, getGlobal, getModularInstance, getUA, isAdmin, isBrowser, isBrowserExtension, isElectron, isEmpty, isIE, isIndexedDBAvailable, isMobileCordova, isNode, isNodeSdk, isReactNative, isSafari, isUWP, isValidFormat, isValidTimestamp, issuedAtTime, jsonEval, map, ordinal, promiseWithTimeout, querystring, querystringDecode, safeGet, stringLength, stringToByteArray, stringify, uuidv4, validateArgCount, validateCallback, validateContextObject, validateIndexedDBOpenable, validateNamespace };\n//# sourceMappingURL=index.esm2017.js.map\n","const instanceOfAny = (object, constructors) => constructors.some((c) => object instanceof c);\n\nlet idbProxyableTypes;\nlet cursorAdvanceMethods;\n// This is a function to prevent it throwing up in node environments.\nfunction getIdbProxyableTypes() {\n    return (idbProxyableTypes ||\n        (idbProxyableTypes = [\n            IDBDatabase,\n            IDBObjectStore,\n            IDBIndex,\n            IDBCursor,\n            IDBTransaction,\n        ]));\n}\n// This is a function to prevent it throwing up in node environments.\nfunction getCursorAdvanceMethods() {\n    return (cursorAdvanceMethods ||\n        (cursorAdvanceMethods = [\n            IDBCursor.prototype.advance,\n            IDBCursor.prototype.continue,\n            IDBCursor.prototype.continuePrimaryKey,\n        ]));\n}\nconst cursorRequestMap = new WeakMap();\nconst transactionDoneMap = new WeakMap();\nconst transactionStoreNamesMap = new WeakMap();\nconst transformCache = new WeakMap();\nconst reverseTransformCache = new WeakMap();\nfunction promisifyRequest(request) {\n    const promise = new Promise((resolve, reject) => {\n        const unlisten = () => {\n            request.removeEventListener('success', success);\n            request.removeEventListener('error', error);\n        };\n        const success = () => {\n            resolve(wrap(request.result));\n            unlisten();\n        };\n        const error = () => {\n            reject(request.error);\n            unlisten();\n        };\n        request.addEventListener('success', success);\n        request.addEventListener('error', error);\n    });\n    promise\n        .then((value) => {\n        // Since cursoring reuses the IDBRequest (*sigh*), we cache it for later retrieval\n        // (see wrapFunction).\n        if (value instanceof IDBCursor) {\n            cursorRequestMap.set(value, request);\n        }\n        // Catching to avoid \"Uncaught Promise exceptions\"\n    })\n        .catch(() => { });\n    // This mapping exists in reverseTransformCache but doesn't doesn't exist in transformCache. This\n    // is because we create many promises from a single IDBRequest.\n    reverseTransformCache.set(promise, request);\n    return promise;\n}\nfunction cacheDonePromiseForTransaction(tx) {\n    // Early bail if we've already created a done promise for this transaction.\n    if (transactionDoneMap.has(tx))\n        return;\n    const done = new Promise((resolve, reject) => {\n        const unlisten = () => {\n            tx.removeEventListener('complete', complete);\n            tx.removeEventListener('error', error);\n            tx.removeEventListener('abort', error);\n        };\n        const complete = () => {\n            resolve();\n            unlisten();\n        };\n        const error = () => {\n            reject(tx.error || new DOMException('AbortError', 'AbortError'));\n            unlisten();\n        };\n        tx.addEventListener('complete', complete);\n        tx.addEventListener('error', error);\n        tx.addEventListener('abort', error);\n    });\n    // Cache it for later retrieval.\n    transactionDoneMap.set(tx, done);\n}\nlet idbProxyTraps = {\n    get(target, prop, receiver) {\n        if (target instanceof IDBTransaction) {\n            // Special handling for transaction.done.\n            if (prop === 'done')\n                return transactionDoneMap.get(target);\n            // Polyfill for objectStoreNames because of Edge.\n            if (prop === 'objectStoreNames') {\n                return target.objectStoreNames || transactionStoreNamesMap.get(target);\n            }\n            // Make tx.store return the only store in the transaction, or undefined if there are many.\n            if (prop === 'store') {\n                return receiver.objectStoreNames[1]\n                    ? undefined\n                    : receiver.objectStore(receiver.objectStoreNames[0]);\n            }\n        }\n        // Else transform whatever we get back.\n        return wrap(target[prop]);\n    },\n    set(target, prop, value) {\n        target[prop] = value;\n        return true;\n    },\n    has(target, prop) {\n        if (target instanceof IDBTransaction &&\n            (prop === 'done' || prop === 'store')) {\n            return true;\n        }\n        return prop in target;\n    },\n};\nfunction replaceTraps(callback) {\n    idbProxyTraps = callback(idbProxyTraps);\n}\nfunction wrapFunction(func) {\n    // Due to expected object equality (which is enforced by the caching in `wrap`), we\n    // only create one new func per func.\n    // Edge doesn't support objectStoreNames (booo), so we polyfill it here.\n    if (func === IDBDatabase.prototype.transaction &&\n        !('objectStoreNames' in IDBTransaction.prototype)) {\n        return function (storeNames, ...args) {\n            const tx = func.call(unwrap(this), storeNames, ...args);\n            transactionStoreNamesMap.set(tx, storeNames.sort ? storeNames.sort() : [storeNames]);\n            return wrap(tx);\n        };\n    }\n    // Cursor methods are special, as the behaviour is a little more different to standard IDB. In\n    // IDB, you advance the cursor and wait for a new 'success' on the IDBRequest that gave you the\n    // cursor. It's kinda like a promise that can resolve with many values. That doesn't make sense\n    // with real promises, so each advance methods returns a new promise for the cursor object, or\n    // undefined if the end of the cursor has been reached.\n    if (getCursorAdvanceMethods().includes(func)) {\n        return function (...args) {\n            // Calling the original function with the proxy as 'this' causes ILLEGAL INVOCATION, so we use\n            // the original object.\n            func.apply(unwrap(this), args);\n            return wrap(cursorRequestMap.get(this));\n        };\n    }\n    return function (...args) {\n        // Calling the original function with the proxy as 'this' causes ILLEGAL INVOCATION, so we use\n        // the original object.\n        return wrap(func.apply(unwrap(this), args));\n    };\n}\nfunction transformCachableValue(value) {\n    if (typeof value === 'function')\n        return wrapFunction(value);\n    // This doesn't return, it just creates a 'done' promise for the transaction,\n    // which is later returned for transaction.done (see idbObjectHandler).\n    if (value instanceof IDBTransaction)\n        cacheDonePromiseForTransaction(value);\n    if (instanceOfAny(value, getIdbProxyableTypes()))\n        return new Proxy(value, idbProxyTraps);\n    // Return the same value back if we're not going to transform it.\n    return value;\n}\nfunction wrap(value) {\n    // We sometimes generate multiple promises from a single IDBRequest (eg when cursoring), because\n    // IDB is weird and a single IDBRequest can yield many responses, so these can't be cached.\n    if (value instanceof IDBRequest)\n        return promisifyRequest(value);\n    // If we've already transformed this value before, reuse the transformed value.\n    // This is faster, but it also provides object equality.\n    if (transformCache.has(value))\n        return transformCache.get(value);\n    const newValue = transformCachableValue(value);\n    // Not all types are transformed.\n    // These may be primitive types, so they can't be WeakMap keys.\n    if (newValue !== value) {\n        transformCache.set(value, newValue);\n        reverseTransformCache.set(newValue, value);\n    }\n    return newValue;\n}\nconst unwrap = (value) => reverseTransformCache.get(value);\n\nexport { reverseTransformCache as a, instanceOfAny as i, replaceTraps as r, unwrap as u, wrap as w };\n","import { w as wrap, r as replaceTraps } from './wrap-idb-value.js';\nexport { u as unwrap, w as wrap } from './wrap-idb-value.js';\n\n/**\n * Open a database.\n *\n * @param name Name of the database.\n * @param version Schema version.\n * @param callbacks Additional callbacks.\n */\nfunction openDB(name, version, { blocked, upgrade, blocking, terminated } = {}) {\n    const request = indexedDB.open(name, version);\n    const openPromise = wrap(request);\n    if (upgrade) {\n        request.addEventListener('upgradeneeded', (event) => {\n            upgrade(wrap(request.result), event.oldVersion, event.newVersion, wrap(request.transaction), event);\n        });\n    }\n    if (blocked) {\n        request.addEventListener('blocked', (event) => blocked(\n        // Casting due to https://github.com/microsoft/TypeScript-DOM-lib-generator/pull/1405\n        event.oldVersion, event.newVersion, event));\n    }\n    openPromise\n        .then((db) => {\n        if (terminated)\n            db.addEventListener('close', () => terminated());\n        if (blocking) {\n            db.addEventListener('versionchange', (event) => blocking(event.oldVersion, event.newVersion, event));\n        }\n    })\n        .catch(() => { });\n    return openPromise;\n}\n/**\n * Delete a database.\n *\n * @param name Name of the database.\n */\nfunction deleteDB(name, { blocked } = {}) {\n    const request = indexedDB.deleteDatabase(name);\n    if (blocked) {\n        request.addEventListener('blocked', (event) => blocked(\n        // Casting due to https://github.com/microsoft/TypeScript-DOM-lib-generator/pull/1405\n        event.oldVersion, event));\n    }\n    return wrap(request).then(() => undefined);\n}\n\nconst readMethods = ['get', 'getKey', 'getAll', 'getAllKeys', 'count'];\nconst writeMethods = ['put', 'add', 'delete', 'clear'];\nconst cachedMethods = new Map();\nfunction getMethod(target, prop) {\n    if (!(target instanceof IDBDatabase &&\n        !(prop in target) &&\n        typeof prop === 'string')) {\n        return;\n    }\n    if (cachedMethods.get(prop))\n        return cachedMethods.get(prop);\n    const targetFuncName = prop.replace(/FromIndex$/, '');\n    const useIndex = prop !== targetFuncName;\n    const isWrite = writeMethods.includes(targetFuncName);\n    if (\n    // Bail if the target doesn't exist on the target. Eg, getAll isn't in Edge.\n    !(targetFuncName in (useIndex ? IDBIndex : IDBObjectStore).prototype) ||\n        !(isWrite || readMethods.includes(targetFuncName))) {\n        return;\n    }\n    const method = async function (storeName, ...args) {\n        // isWrite ? 'readwrite' : undefined gzipps better, but fails in Edge :(\n        const tx = this.transaction(storeName, isWrite ? 'readwrite' : 'readonly');\n        let target = tx.store;\n        if (useIndex)\n            target = target.index(args.shift());\n        // Must reject if op rejects.\n        // If it's a write operation, must reject if tx.done rejects.\n        // Must reject with op rejection first.\n        // Must resolve with op value.\n        // Must handle both promises (no unhandled rejections)\n        return (await Promise.all([\n            target[targetFuncName](...args),\n            isWrite && tx.done,\n        ]))[0];\n    };\n    cachedMethods.set(prop, method);\n    return method;\n}\nreplaceTraps((oldTraps) => ({\n    ...oldTraps,\n    get: (target, prop, receiver) => getMethod(target, prop) || oldTraps.get(target, prop, receiver),\n    has: (target, prop) => !!getMethod(target, prop) || oldTraps.has(target, prop),\n}));\n\nexport { deleteDB, openDB };\n","import { Component, ComponentContainer } from '@firebase/component';\nimport { Logger, setUserLogHandler, setLogLevel as setLogLevel$1 } from '@firebase/logger';\nimport { ErrorFactory, getDefaultAppConfig, deepEqual, FirebaseError, base64urlEncodeWithoutPadding, isIndexedDBAvailable, validateIndexedDBOpenable } from '@firebase/util';\nexport { FirebaseError } from '@firebase/util';\nimport { openDB } from 'idb';\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nclass PlatformLoggerServiceImpl {\r\n    constructor(container) {\r\n        this.container = container;\r\n    }\r\n    // In initial implementation, this will be called by installations on\r\n    // auth token refresh, and installations will send this string.\r\n    getPlatformInfoString() {\r\n        const providers = this.container.getProviders();\r\n        // Loop through providers and get library/version pairs from any that are\r\n        // version components.\r\n        return providers\r\n            .map(provider => {\r\n            if (isVersionServiceProvider(provider)) {\r\n                const service = provider.getImmediate();\r\n                return `${service.library}/${service.version}`;\r\n            }\r\n            else {\r\n                return null;\r\n            }\r\n        })\r\n            .filter(logString => logString)\r\n            .join(' ');\r\n    }\r\n}\r\n/**\r\n *\r\n * @param provider check if this provider provides a VersionService\r\n *\r\n * NOTE: Using Provider<'app-version'> is a hack to indicate that the provider\r\n * provides VersionService. The provider is not necessarily a 'app-version'\r\n * provider.\r\n */\r\nfunction isVersionServiceProvider(provider) {\r\n    const component = provider.getComponent();\r\n    return (component === null || component === void 0 ? void 0 : component.type) === \"VERSION\" /* ComponentType.VERSION */;\r\n}\n\nconst name$o = \"@firebase/app\";\nconst version$1 = \"0.9.10\";\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nconst logger = new Logger('@firebase/app');\n\nconst name$n = \"@firebase/app-compat\";\n\nconst name$m = \"@firebase/analytics-compat\";\n\nconst name$l = \"@firebase/analytics\";\n\nconst name$k = \"@firebase/app-check-compat\";\n\nconst name$j = \"@firebase/app-check\";\n\nconst name$i = \"@firebase/auth\";\n\nconst name$h = \"@firebase/auth-compat\";\n\nconst name$g = \"@firebase/database\";\n\nconst name$f = \"@firebase/database-compat\";\n\nconst name$e = \"@firebase/functions\";\n\nconst name$d = \"@firebase/functions-compat\";\n\nconst name$c = \"@firebase/installations\";\n\nconst name$b = \"@firebase/installations-compat\";\n\nconst name$a = \"@firebase/messaging\";\n\nconst name$9 = \"@firebase/messaging-compat\";\n\nconst name$8 = \"@firebase/performance\";\n\nconst name$7 = \"@firebase/performance-compat\";\n\nconst name$6 = \"@firebase/remote-config\";\n\nconst name$5 = \"@firebase/remote-config-compat\";\n\nconst name$4 = \"@firebase/storage\";\n\nconst name$3 = \"@firebase/storage-compat\";\n\nconst name$2 = \"@firebase/firestore\";\n\nconst name$1 = \"@firebase/firestore-compat\";\n\nconst name = \"firebase\";\nconst version = \"9.22.0\";\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\n/**\r\n * The default app name\r\n *\r\n * @internal\r\n */\r\nconst DEFAULT_ENTRY_NAME = '[DEFAULT]';\r\nconst PLATFORM_LOG_STRING = {\r\n    [name$o]: 'fire-core',\r\n    [name$n]: 'fire-core-compat',\r\n    [name$l]: 'fire-analytics',\r\n    [name$m]: 'fire-analytics-compat',\r\n    [name$j]: 'fire-app-check',\r\n    [name$k]: 'fire-app-check-compat',\r\n    [name$i]: 'fire-auth',\r\n    [name$h]: 'fire-auth-compat',\r\n    [name$g]: 'fire-rtdb',\r\n    [name$f]: 'fire-rtdb-compat',\r\n    [name$e]: 'fire-fn',\r\n    [name$d]: 'fire-fn-compat',\r\n    [name$c]: 'fire-iid',\r\n    [name$b]: 'fire-iid-compat',\r\n    [name$a]: 'fire-fcm',\r\n    [name$9]: 'fire-fcm-compat',\r\n    [name$8]: 'fire-perf',\r\n    [name$7]: 'fire-perf-compat',\r\n    [name$6]: 'fire-rc',\r\n    [name$5]: 'fire-rc-compat',\r\n    [name$4]: 'fire-gcs',\r\n    [name$3]: 'fire-gcs-compat',\r\n    [name$2]: 'fire-fst',\r\n    [name$1]: 'fire-fst-compat',\r\n    'fire-js': 'fire-js',\r\n    [name]: 'fire-js-all'\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 * @internal\r\n */\r\nconst _apps = new Map();\r\n/**\r\n * Registered components.\r\n *\r\n * @internal\r\n */\r\n// eslint-disable-next-line @typescript-eslint/no-explicit-any\r\nconst _components = new Map();\r\n/**\r\n * @param component - the component being added to this app's container\r\n *\r\n * @internal\r\n */\r\nfunction _addComponent(app, component) {\r\n    try {\r\n        app.container.addComponent(component);\r\n    }\r\n    catch (e) {\r\n        logger.debug(`Component ${component.name} failed to register with FirebaseApp ${app.name}`, e);\r\n    }\r\n}\r\n/**\r\n *\r\n * @internal\r\n */\r\nfunction _addOrOverwriteComponent(app, component) {\r\n    app.container.addOrOverwriteComponent(component);\r\n}\r\n/**\r\n *\r\n * @param component - the component to register\r\n * @returns whether or not the component is registered successfully\r\n *\r\n * @internal\r\n */\r\nfunction _registerComponent(component) {\r\n    const componentName = component.name;\r\n    if (_components.has(componentName)) {\r\n        logger.debug(`There were multiple attempts to register component ${componentName}.`);\r\n        return false;\r\n    }\r\n    _components.set(componentName, component);\r\n    // add the component to existing app instances\r\n    for (const app of _apps.values()) {\r\n        _addComponent(app, component);\r\n    }\r\n    return true;\r\n}\r\n/**\r\n *\r\n * @param app - FirebaseApp instance\r\n * @param name - service name\r\n *\r\n * @returns the provider for the service with the matching name\r\n *\r\n * @internal\r\n */\r\nfunction _getProvider(app, name) {\r\n    const heartbeatController = app.container\r\n        .getProvider('heartbeat')\r\n        .getImmediate({ optional: true });\r\n    if (heartbeatController) {\r\n        void heartbeatController.triggerHeartbeat();\r\n    }\r\n    return app.container.getProvider(name);\r\n}\r\n/**\r\n *\r\n * @param app - FirebaseApp instance\r\n * @param name - service name\r\n * @param instanceIdentifier - service instance identifier in case the service supports multiple instances\r\n *\r\n * @internal\r\n */\r\nfunction _removeServiceInstance(app, name, instanceIdentifier = DEFAULT_ENTRY_NAME) {\r\n    _getProvider(app, name).clearInstance(instanceIdentifier);\r\n}\r\n/**\r\n * Test only\r\n *\r\n * @internal\r\n */\r\nfunction _clearComponents() {\r\n    _components.clear();\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\nconst ERRORS = {\r\n    [\"no-app\" /* AppError.NO_APP */]: \"No Firebase App '{$appName}' has been created - \" +\r\n        'call initializeApp() first',\r\n    [\"bad-app-name\" /* AppError.BAD_APP_NAME */]: \"Illegal App name: '{$appName}\",\r\n    [\"duplicate-app\" /* AppError.DUPLICATE_APP */]: \"Firebase App named '{$appName}' already exists with different options or config\",\r\n    [\"app-deleted\" /* AppError.APP_DELETED */]: \"Firebase App named '{$appName}' already deleted\",\r\n    [\"no-options\" /* AppError.NO_OPTIONS */]: 'Need to provide options, when not being deployed to hosting via source.',\r\n    [\"invalid-app-argument\" /* AppError.INVALID_APP_ARGUMENT */]: 'firebase.{$appName}() takes either no argument or a ' +\r\n        'Firebase App instance.',\r\n    [\"invalid-log-argument\" /* AppError.INVALID_LOG_ARGUMENT */]: 'First argument to `onLog` must be null or a function.',\r\n    [\"idb-open\" /* AppError.IDB_OPEN */]: 'Error thrown when opening IndexedDB. Original error: {$originalErrorMessage}.',\r\n    [\"idb-get\" /* AppError.IDB_GET */]: 'Error thrown when reading from IndexedDB. Original error: {$originalErrorMessage}.',\r\n    [\"idb-set\" /* AppError.IDB_WRITE */]: 'Error thrown when writing to IndexedDB. Original error: {$originalErrorMessage}.',\r\n    [\"idb-delete\" /* AppError.IDB_DELETE */]: 'Error thrown when deleting from IndexedDB. Original error: {$originalErrorMessage}.'\r\n};\r\nconst ERROR_FACTORY = new ErrorFactory('app', 'Firebase', ERRORS);\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\nclass FirebaseAppImpl {\r\n    constructor(options, config, container) {\r\n        this._isDeleted = false;\r\n        this._options = Object.assign({}, options);\r\n        this._config = Object.assign({}, config);\r\n        this._name = config.name;\r\n        this._automaticDataCollectionEnabled =\r\n            config.automaticDataCollectionEnabled;\r\n        this._container = container;\r\n        this.container.addComponent(new Component('app', () => this, \"PUBLIC\" /* ComponentType.PUBLIC */));\r\n    }\r\n    get automaticDataCollectionEnabled() {\r\n        this.checkDestroyed();\r\n        return this._automaticDataCollectionEnabled;\r\n    }\r\n    set automaticDataCollectionEnabled(val) {\r\n        this.checkDestroyed();\r\n        this._automaticDataCollectionEnabled = val;\r\n    }\r\n    get name() {\r\n        this.checkDestroyed();\r\n        return this._name;\r\n    }\r\n    get options() {\r\n        this.checkDestroyed();\r\n        return this._options;\r\n    }\r\n    get config() {\r\n        this.checkDestroyed();\r\n        return this._config;\r\n    }\r\n    get container() {\r\n        return this._container;\r\n    }\r\n    get isDeleted() {\r\n        return this._isDeleted;\r\n    }\r\n    set isDeleted(val) {\r\n        this._isDeleted = val;\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    checkDestroyed() {\r\n        if (this.isDeleted) {\r\n            throw ERROR_FACTORY.create(\"app-deleted\" /* AppError.APP_DELETED */, { appName: this._name });\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 * The current SDK version.\r\n *\r\n * @public\r\n */\r\nconst SDK_VERSION = version;\r\nfunction initializeApp(_options, rawConfig = {}) {\r\n    let options = _options;\r\n    if (typeof rawConfig !== 'object') {\r\n        const name = rawConfig;\r\n        rawConfig = { name };\r\n    }\r\n    const config = Object.assign({ name: DEFAULT_ENTRY_NAME, automaticDataCollectionEnabled: false }, rawConfig);\r\n    const name = config.name;\r\n    if (typeof name !== 'string' || !name) {\r\n        throw ERROR_FACTORY.create(\"bad-app-name\" /* AppError.BAD_APP_NAME */, {\r\n            appName: String(name)\r\n        });\r\n    }\r\n    options || (options = getDefaultAppConfig());\r\n    if (!options) {\r\n        throw ERROR_FACTORY.create(\"no-options\" /* AppError.NO_OPTIONS */);\r\n    }\r\n    const existingApp = _apps.get(name);\r\n    if (existingApp) {\r\n        // return the existing app if options and config deep equal the ones in the existing app.\r\n        if (deepEqual(options, existingApp.options) &&\r\n            deepEqual(config, existingApp.config)) {\r\n            return existingApp;\r\n        }\r\n        else {\r\n            throw ERROR_FACTORY.create(\"duplicate-app\" /* AppError.DUPLICATE_APP */, { appName: name });\r\n        }\r\n    }\r\n    const container = new ComponentContainer(name);\r\n    for (const component of _components.values()) {\r\n        container.addComponent(component);\r\n    }\r\n    const newApp = new FirebaseAppImpl(options, config, container);\r\n    _apps.set(name, newApp);\r\n    return newApp;\r\n}\r\n/**\r\n * Retrieves a {@link @firebase/app#FirebaseApp} instance.\r\n *\r\n * When called with no arguments, the default app is returned. When an app name\r\n * is provided, the app corresponding to that name is returned.\r\n *\r\n * An exception is thrown if the app being retrieved has not yet been\r\n * initialized.\r\n *\r\n * @example\r\n * ```javascript\r\n * // Return the default app\r\n * const app = getApp();\r\n * ```\r\n *\r\n * @example\r\n * ```javascript\r\n * // Return a named app\r\n * const otherApp = getApp(\"otherApp\");\r\n * ```\r\n *\r\n * @param name - Optional name of the app to return. If no name is\r\n *   provided, the default is `\"[DEFAULT]\"`.\r\n *\r\n * @returns The app corresponding to the provided app name.\r\n *   If no app name is provided, the default app is returned.\r\n *\r\n * @public\r\n */\r\nfunction getApp(name = DEFAULT_ENTRY_NAME) {\r\n    const app = _apps.get(name);\r\n    if (!app && name === DEFAULT_ENTRY_NAME && getDefaultAppConfig()) {\r\n        return initializeApp();\r\n    }\r\n    if (!app) {\r\n        throw ERROR_FACTORY.create(\"no-app\" /* AppError.NO_APP */, { appName: name });\r\n    }\r\n    return app;\r\n}\r\n/**\r\n * A (read-only) array of all initialized apps.\r\n * @public\r\n */\r\nfunction getApps() {\r\n    return Array.from(_apps.values());\r\n}\r\n/**\r\n * Renders this app unusable and frees the resources of all associated\r\n * services.\r\n *\r\n * @example\r\n * ```javascript\r\n * deleteApp(app)\r\n *   .then(function() {\r\n *     console.log(\"App deleted successfully\");\r\n *   })\r\n *   .catch(function(error) {\r\n *     console.log(\"Error deleting app:\", error);\r\n *   });\r\n * ```\r\n *\r\n * @public\r\n */\r\nasync function deleteApp(app) {\r\n    const name = app.name;\r\n    if (_apps.has(name)) {\r\n        _apps.delete(name);\r\n        await Promise.all(app.container\r\n            .getProviders()\r\n            .map(provider => provider.delete()));\r\n        app.isDeleted = true;\r\n    }\r\n}\r\n/**\r\n * Registers a library's name and version for platform logging purposes.\r\n * @param library - Name of 1p or 3p library (e.g. firestore, angularfire)\r\n * @param version - Current version of that library.\r\n * @param variant - Bundle variant, e.g., node, rn, etc.\r\n *\r\n * @public\r\n */\r\nfunction 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    let library = (_a = PLATFORM_LOG_STRING[libraryKeyOrName]) !== null && _a !== void 0 ? _a : libraryKeyOrName;\r\n    if (variant) {\r\n        library += `-${variant}`;\r\n    }\r\n    const libraryMismatch = library.match(/\\s|\\//);\r\n    const versionMismatch = version.match(/\\s|\\//);\r\n    if (libraryMismatch || versionMismatch) {\r\n        const warning = [\r\n            `Unable to register library \"${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 \"${version}\" contains illegal characters (whitespace or \"/\")`);\r\n        }\r\n        logger.warn(warning.join(' '));\r\n        return;\r\n    }\r\n    _registerComponent(new Component(`${library}-version`, () => ({ library, version }), \"VERSION\" /* ComponentType.VERSION */));\r\n}\r\n/**\r\n * Sets log handler for all Firebase SDKs.\r\n * @param logCallback - An optional custom log handler that executes user code whenever\r\n * the Firebase SDK makes a logging call.\r\n *\r\n * @public\r\n */\r\nfunction onLog(logCallback, options) {\r\n    if (logCallback !== null && typeof logCallback !== 'function') {\r\n        throw ERROR_FACTORY.create(\"invalid-log-argument\" /* AppError.INVALID_LOG_ARGUMENT */);\r\n    }\r\n    setUserLogHandler(logCallback, options);\r\n}\r\n/**\r\n * Sets log level for all Firebase SDKs.\r\n *\r\n * All of the log types above the current log level are captured (i.e. if\r\n * you set the log level to `info`, errors are logged, but `debug` and\r\n * `verbose` logs are not).\r\n *\r\n * @public\r\n */\r\nfunction setLogLevel(logLevel) {\r\n    setLogLevel$1(logLevel);\r\n}\n\n/**\r\n * @license\r\n * Copyright 2021 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\nconst DB_NAME = 'firebase-heartbeat-database';\r\nconst DB_VERSION = 1;\r\nconst STORE_NAME = 'firebase-heartbeat-store';\r\nlet dbPromise = null;\r\nfunction getDbPromise() {\r\n    if (!dbPromise) {\r\n        dbPromise = openDB(DB_NAME, DB_VERSION, {\r\n            upgrade: (db, oldVersion) => {\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 (oldVersion) {\r\n                    case 0:\r\n                        db.createObjectStore(STORE_NAME);\r\n                }\r\n            }\r\n        }).catch(e => {\r\n            throw ERROR_FACTORY.create(\"idb-open\" /* AppError.IDB_OPEN */, {\r\n                originalErrorMessage: e.message\r\n            });\r\n        });\r\n    }\r\n    return dbPromise;\r\n}\r\nasync function readHeartbeatsFromIndexedDB(app) {\r\n    try {\r\n        const db = await getDbPromise();\r\n        const result = await db\r\n            .transaction(STORE_NAME)\r\n            .objectStore(STORE_NAME)\r\n            .get(computeKey(app));\r\n        return result;\r\n    }\r\n    catch (e) {\r\n        if (e instanceof FirebaseError) {\r\n            logger.warn(e.message);\r\n        }\r\n        else {\r\n            const idbGetError = ERROR_FACTORY.create(\"idb-get\" /* AppError.IDB_GET */, {\r\n                originalErrorMessage: e === null || e === void 0 ? void 0 : e.message\r\n            });\r\n            logger.warn(idbGetError.message);\r\n        }\r\n    }\r\n}\r\nasync function writeHeartbeatsToIndexedDB(app, heartbeatObject) {\r\n    try {\r\n        const db = await getDbPromise();\r\n        const tx = db.transaction(STORE_NAME, 'readwrite');\r\n        const objectStore = tx.objectStore(STORE_NAME);\r\n        await objectStore.put(heartbeatObject, computeKey(app));\r\n        await tx.done;\r\n    }\r\n    catch (e) {\r\n        if (e instanceof FirebaseError) {\r\n            logger.warn(e.message);\r\n        }\r\n        else {\r\n            const idbGetError = ERROR_FACTORY.create(\"idb-set\" /* AppError.IDB_WRITE */, {\r\n                originalErrorMessage: e === null || e === void 0 ? void 0 : e.message\r\n            });\r\n            logger.warn(idbGetError.message);\r\n        }\r\n    }\r\n}\r\nfunction computeKey(app) {\r\n    return `${app.name}!${app.options.appId}`;\r\n}\n\n/**\r\n * @license\r\n * Copyright 2021 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\nconst MAX_HEADER_BYTES = 1024;\r\n// 30 days\r\nconst STORED_HEARTBEAT_RETENTION_MAX_MILLIS = 30 * 24 * 60 * 60 * 1000;\r\nclass HeartbeatServiceImpl {\r\n    constructor(container) {\r\n        this.container = container;\r\n        /**\r\n         * In-memory cache for heartbeats, used by getHeartbeatsHeader() to generate\r\n         * the header string.\r\n         * Stores one record per date. This will be consolidated into the standard\r\n         * format of one record per user agent string before being sent as a header.\r\n         * Populated from indexedDB when the controller is instantiated and should\r\n         * be kept in sync with indexedDB.\r\n         * Leave public for easier testing.\r\n         */\r\n        this._heartbeatsCache = null;\r\n        const app = this.container.getProvider('app').getImmediate();\r\n        this._storage = new HeartbeatStorageImpl(app);\r\n        this._heartbeatsCachePromise = this._storage.read().then(result => {\r\n            this._heartbeatsCache = result;\r\n            return result;\r\n        });\r\n    }\r\n    /**\r\n     * Called to report a heartbeat. The function will generate\r\n     * a HeartbeatsByUserAgent object, update heartbeatsCache, and persist it\r\n     * to IndexedDB.\r\n     * Note that we only store one heartbeat per day. So if a heartbeat for today is\r\n     * already logged, subsequent calls to this function in the same day will be ignored.\r\n     */\r\n    async triggerHeartbeat() {\r\n        const platformLogger = this.container\r\n            .getProvider('platform-logger')\r\n            .getImmediate();\r\n        // This is the \"Firebase user agent\" string from the platform logger\r\n        // service, not the browser user agent.\r\n        const agent = platformLogger.getPlatformInfoString();\r\n        const date = getUTCDateString();\r\n        if (this._heartbeatsCache === null) {\r\n            this._heartbeatsCache = await this._heartbeatsCachePromise;\r\n        }\r\n        // Do not store a heartbeat if one is already stored for this day\r\n        // or if a header has already been sent today.\r\n        if (this._heartbeatsCache.lastSentHeartbeatDate === date ||\r\n            this._heartbeatsCache.heartbeats.some(singleDateHeartbeat => singleDateHeartbeat.date === date)) {\r\n            return;\r\n        }\r\n        else {\r\n            // There is no entry for this date. Create one.\r\n            this._heartbeatsCache.heartbeats.push({ date, agent });\r\n        }\r\n        // Remove entries older than 30 days.\r\n        this._heartbeatsCache.heartbeats = this._heartbeatsCache.heartbeats.filter(singleDateHeartbeat => {\r\n            const hbTimestamp = new Date(singleDateHeartbeat.date).valueOf();\r\n            const now = Date.now();\r\n            return now - hbTimestamp <= STORED_HEARTBEAT_RETENTION_MAX_MILLIS;\r\n        });\r\n        return this._storage.overwrite(this._heartbeatsCache);\r\n    }\r\n    /**\r\n     * Returns a base64 encoded string which can be attached to the heartbeat-specific header directly.\r\n     * It also clears all heartbeats from memory as well as in IndexedDB.\r\n     *\r\n     * NOTE: Consuming product SDKs should not send the header if this method\r\n     * returns an empty string.\r\n     */\r\n    async getHeartbeatsHeader() {\r\n        if (this._heartbeatsCache === null) {\r\n            await this._heartbeatsCachePromise;\r\n        }\r\n        // If it's still null or the array is empty, there is no data to send.\r\n        if (this._heartbeatsCache === null ||\r\n            this._heartbeatsCache.heartbeats.length === 0) {\r\n            return '';\r\n        }\r\n        const date = getUTCDateString();\r\n        // Extract as many heartbeats from the cache as will fit under the size limit.\r\n        const { heartbeatsToSend, unsentEntries } = extractHeartbeatsForHeader(this._heartbeatsCache.heartbeats);\r\n        const headerString = base64urlEncodeWithoutPadding(JSON.stringify({ version: 2, heartbeats: heartbeatsToSend }));\r\n        // Store last sent date to prevent another being logged/sent for the same day.\r\n        this._heartbeatsCache.lastSentHeartbeatDate = date;\r\n        if (unsentEntries.length > 0) {\r\n            // Store any unsent entries if they exist.\r\n            this._heartbeatsCache.heartbeats = unsentEntries;\r\n            // This seems more likely than emptying the array (below) to lead to some odd state\r\n            // since the cache isn't empty and this will be called again on the next request,\r\n            // and is probably safest if we await it.\r\n            await this._storage.overwrite(this._heartbeatsCache);\r\n        }\r\n        else {\r\n            this._heartbeatsCache.heartbeats = [];\r\n            // Do not wait for this, to reduce latency.\r\n            void this._storage.overwrite(this._heartbeatsCache);\r\n        }\r\n        return headerString;\r\n    }\r\n}\r\nfunction getUTCDateString() {\r\n    const today = new Date();\r\n    // Returns date format 'YYYY-MM-DD'\r\n    return today.toISOString().substring(0, 10);\r\n}\r\nfunction extractHeartbeatsForHeader(heartbeatsCache, maxSize = MAX_HEADER_BYTES) {\r\n    // Heartbeats grouped by user agent in the standard format to be sent in\r\n    // the header.\r\n    const heartbeatsToSend = [];\r\n    // Single date format heartbeats that are not sent.\r\n    let unsentEntries = heartbeatsCache.slice();\r\n    for (const singleDateHeartbeat of heartbeatsCache) {\r\n        // Look for an existing entry with the same user agent.\r\n        const heartbeatEntry = heartbeatsToSend.find(hb => hb.agent === singleDateHeartbeat.agent);\r\n        if (!heartbeatEntry) {\r\n            // If no entry for this user agent exists, create one.\r\n            heartbeatsToSend.push({\r\n                agent: singleDateHeartbeat.agent,\r\n                dates: [singleDateHeartbeat.date]\r\n            });\r\n            if (countBytes(heartbeatsToSend) > maxSize) {\r\n                // If the header would exceed max size, remove the added heartbeat\r\n                // entry and stop adding to the header.\r\n                heartbeatsToSend.pop();\r\n                break;\r\n            }\r\n        }\r\n        else {\r\n            heartbeatEntry.dates.push(singleDateHeartbeat.date);\r\n            // If the header would exceed max size, remove the added date\r\n            // and stop adding to the header.\r\n            if (countBytes(heartbeatsToSend) > maxSize) {\r\n                heartbeatEntry.dates.pop();\r\n                break;\r\n            }\r\n        }\r\n        // Pop unsent entry from queue. (Skipped if adding the entry exceeded\r\n        // quota and the loop breaks early.)\r\n        unsentEntries = unsentEntries.slice(1);\r\n    }\r\n    return {\r\n        heartbeatsToSend,\r\n        unsentEntries\r\n    };\r\n}\r\nclass HeartbeatStorageImpl {\r\n    constructor(app) {\r\n        this.app = app;\r\n        this._canUseIndexedDBPromise = this.runIndexedDBEnvironmentCheck();\r\n    }\r\n    async runIndexedDBEnvironmentCheck() {\r\n        if (!isIndexedDBAvailable()) {\r\n            return false;\r\n        }\r\n        else {\r\n            return validateIndexedDBOpenable()\r\n                .then(() => true)\r\n                .catch(() => false);\r\n        }\r\n    }\r\n    /**\r\n     * Read all heartbeats.\r\n     */\r\n    async read() {\r\n        const canUseIndexedDB = await this._canUseIndexedDBPromise;\r\n        if (!canUseIndexedDB) {\r\n            return { heartbeats: [] };\r\n        }\r\n        else {\r\n            const idbHeartbeatObject = await readHeartbeatsFromIndexedDB(this.app);\r\n            return idbHeartbeatObject || { heartbeats: [] };\r\n        }\r\n    }\r\n    // overwrite the storage with the provided heartbeats\r\n    async overwrite(heartbeatsObject) {\r\n        var _a;\r\n        const canUseIndexedDB = await this._canUseIndexedDBPromise;\r\n        if (!canUseIndexedDB) {\r\n            return;\r\n        }\r\n        else {\r\n            const existingHeartbeatsObject = await this.read();\r\n            return writeHeartbeatsToIndexedDB(this.app, {\r\n                lastSentHeartbeatDate: (_a = heartbeatsObject.lastSentHeartbeatDate) !== null && _a !== void 0 ? _a : existingHeartbeatsObject.lastSentHeartbeatDate,\r\n                heartbeats: heartbeatsObject.heartbeats\r\n            });\r\n        }\r\n    }\r\n    // add heartbeats\r\n    async add(heartbeatsObject) {\r\n        var _a;\r\n        const canUseIndexedDB = await this._canUseIndexedDBPromise;\r\n        if (!canUseIndexedDB) {\r\n            return;\r\n        }\r\n        else {\r\n            const existingHeartbeatsObject = await this.read();\r\n            return writeHeartbeatsToIndexedDB(this.app, {\r\n                lastSentHeartbeatDate: (_a = heartbeatsObject.lastSentHeartbeatDate) !== null && _a !== void 0 ? _a : existingHeartbeatsObject.lastSentHeartbeatDate,\r\n                heartbeats: [\r\n                    ...existingHeartbeatsObject.heartbeats,\r\n                    ...heartbeatsObject.heartbeats\r\n                ]\r\n            });\r\n        }\r\n    }\r\n}\r\n/**\r\n * Calculate bytes of a HeartbeatsByUserAgent array after being wrapped\r\n * in a platform logging header JSON object, stringified, and converted\r\n * to base 64.\r\n */\r\nfunction countBytes(heartbeatsCache) {\r\n    // base64 has a restricted set of characters, all of which should be 1 byte.\r\n    return base64urlEncodeWithoutPadding(\r\n    // heartbeatsCache wrapper properties\r\n    JSON.stringify({ version: 2, heartbeats: heartbeatsCache })).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\nfunction registerCoreComponents(variant) {\r\n    _registerComponent(new Component('platform-logger', container => new PlatformLoggerServiceImpl(container), \"PRIVATE\" /* ComponentType.PRIVATE */));\r\n    _registerComponent(new Component('heartbeat', container => new HeartbeatServiceImpl(container), \"PRIVATE\" /* ComponentType.PRIVATE */));\r\n    // Register `app` package.\r\n    registerVersion(name$o, version$1, variant);\r\n    // BUILD_TARGET will be replaced by values like esm5, esm2017, cjs5, etc during the compilation\r\n    registerVersion(name$o, version$1, 'esm2017');\r\n    // Register platform SDK identifier (no version).\r\n    registerVersion('fire-js', '');\r\n}\n\n/**\r\n * Firebase App\r\n *\r\n * @remarks This package coordinates the communication between the different Firebase components\r\n * @packageDocumentation\r\n */\r\nregisterCoreComponents('');\n\nexport { SDK_VERSION, DEFAULT_ENTRY_NAME as _DEFAULT_ENTRY_NAME, _addComponent, _addOrOverwriteComponent, _apps, _clearComponents, _components, _getProvider, _registerComponent, _removeServiceInstance, deleteApp, getApp, getApps, initializeApp, onLog, registerVersion, setLogLevel };\n//# sourceMappingURL=index.esm2017.js.map\n","import { Deferred } from '@firebase/util';\n\n/**\r\n * Component for service name T, e.g. `auth`, `auth-internal`\r\n */\r\nclass Component {\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    constructor(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\" /* InstantiationMode.LAZY */;\r\n        this.onInstanceCreated = null;\r\n    }\r\n    setInstantiationMode(mode) {\r\n        this.instantiationMode = mode;\r\n        return this;\r\n    }\r\n    setMultipleInstances(multipleInstances) {\r\n        this.multipleInstances = multipleInstances;\r\n        return this;\r\n    }\r\n    setServiceProps(props) {\r\n        this.serviceProps = props;\r\n        return this;\r\n    }\r\n    setInstanceCreatedCallback(callback) {\r\n        this.onInstanceCreated = callback;\r\n        return this;\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\nconst 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\nclass Provider {\r\n    constructor(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        this.instancesOptions = new Map();\r\n        this.onInitCallbacks = 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    get(identifier) {\r\n        // if multipleInstances is not supported, use the default name\r\n        const normalizedIdentifier = this.normalizeInstanceIdentifier(identifier);\r\n        if (!this.instancesDeferred.has(normalizedIdentifier)) {\r\n            const deferred = new Deferred();\r\n            this.instancesDeferred.set(normalizedIdentifier, deferred);\r\n            if (this.isInitialized(normalizedIdentifier) ||\r\n                this.shouldAutoInitialize()) {\r\n                // initialize the service if it can be auto-initialized\r\n                try {\r\n                    const instance = this.getOrInitializeService({\r\n                        instanceIdentifier: normalizedIdentifier\r\n                    });\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        }\r\n        return this.instancesDeferred.get(normalizedIdentifier).promise;\r\n    }\r\n    getImmediate(options) {\r\n        var _a;\r\n        // if multipleInstances is not supported, use the default name\r\n        const normalizedIdentifier = this.normalizeInstanceIdentifier(options === null || options === void 0 ? void 0 : options.identifier);\r\n        const optional = (_a = options === null || options === void 0 ? void 0 : options.optional) !== null && _a !== void 0 ? _a : false;\r\n        if (this.isInitialized(normalizedIdentifier) ||\r\n            this.shouldAutoInitialize()) {\r\n            try {\r\n                return this.getOrInitializeService({\r\n                    instanceIdentifier: normalizedIdentifier\r\n                });\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        else {\r\n            // In case a component is not initialized and should/can not be auto-initialized at the moment, return null if the optional flag is set, or throw\r\n            if (optional) {\r\n                return null;\r\n            }\r\n            else {\r\n                throw Error(`Service ${this.name} is not available`);\r\n            }\r\n        }\r\n    }\r\n    getComponent() {\r\n        return this.component;\r\n    }\r\n    setComponent(component) {\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        // return early without attempting to initialize the component if the component requires explicit initialization (calling `Provider.initialize()`)\r\n        if (!this.shouldAutoInitialize()) {\r\n            return;\r\n        }\r\n        // if the service is eager, initialize the default instance\r\n        if (isComponentEager(component)) {\r\n            try {\r\n                this.getOrInitializeService({ instanceIdentifier: 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        // 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 (const [instanceIdentifier, instanceDeferred] of this.instancesDeferred.entries()) {\r\n            const 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                const instance = this.getOrInitializeService({\r\n                    instanceIdentifier: normalizedIdentifier\r\n                });\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    clearInstance(identifier = DEFAULT_ENTRY_NAME) {\r\n        this.instancesDeferred.delete(identifier);\r\n        this.instancesOptions.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    async delete() {\r\n        const services = Array.from(this.instances.values());\r\n        await Promise.all([\r\n            ...services\r\n                .filter(service => 'INTERNAL' in service) // legacy services\r\n                // eslint-disable-next-line @typescript-eslint/no-explicit-any\r\n                .map(service => service.INTERNAL.delete()),\r\n            ...services\r\n                .filter(service => '_delete' in service) // modularized services\r\n                // eslint-disable-next-line @typescript-eslint/no-explicit-any\r\n                .map(service => service._delete())\r\n        ]);\r\n    }\r\n    isComponentSet() {\r\n        return this.component != null;\r\n    }\r\n    isInitialized(identifier = DEFAULT_ENTRY_NAME) {\r\n        return this.instances.has(identifier);\r\n    }\r\n    getOptions(identifier = DEFAULT_ENTRY_NAME) {\r\n        return this.instancesOptions.get(identifier) || {};\r\n    }\r\n    initialize(opts = {}) {\r\n        const { options = {} } = opts;\r\n        const normalizedIdentifier = this.normalizeInstanceIdentifier(opts.instanceIdentifier);\r\n        if (this.isInitialized(normalizedIdentifier)) {\r\n            throw Error(`${this.name}(${normalizedIdentifier}) has already been initialized`);\r\n        }\r\n        if (!this.isComponentSet()) {\r\n            throw Error(`Component ${this.name} has not been registered yet`);\r\n        }\r\n        const instance = this.getOrInitializeService({\r\n            instanceIdentifier: normalizedIdentifier,\r\n            options\r\n        });\r\n        // resolve any pending promise waiting for the service instance\r\n        for (const [instanceIdentifier, instanceDeferred] of this.instancesDeferred.entries()) {\r\n            const normalizedDeferredIdentifier = this.normalizeInstanceIdentifier(instanceIdentifier);\r\n            if (normalizedIdentifier === normalizedDeferredIdentifier) {\r\n                instanceDeferred.resolve(instance);\r\n            }\r\n        }\r\n        return instance;\r\n    }\r\n    /**\r\n     *\r\n     * @param callback - a function that will be invoked  after the provider has been initialized by calling provider.initialize().\r\n     * The function is invoked SYNCHRONOUSLY, so it should not execute any longrunning tasks in order to not block the program.\r\n     *\r\n     * @param identifier An optional instance identifier\r\n     * @returns a function to unregister the callback\r\n     */\r\n    onInit(callback, identifier) {\r\n        var _a;\r\n        const normalizedIdentifier = this.normalizeInstanceIdentifier(identifier);\r\n        const existingCallbacks = (_a = this.onInitCallbacks.get(normalizedIdentifier)) !== null && _a !== void 0 ? _a : new Set();\r\n        existingCallbacks.add(callback);\r\n        this.onInitCallbacks.set(normalizedIdentifier, existingCallbacks);\r\n        const existingInstance = this.instances.get(normalizedIdentifier);\r\n        if (existingInstance) {\r\n            callback(existingInstance, normalizedIdentifier);\r\n        }\r\n        return () => {\r\n            existingCallbacks.delete(callback);\r\n        };\r\n    }\r\n    /**\r\n     * Invoke onInit callbacks synchronously\r\n     * @param instance the service instance`\r\n     */\r\n    invokeOnInitCallbacks(instance, identifier) {\r\n        const callbacks = this.onInitCallbacks.get(identifier);\r\n        if (!callbacks) {\r\n            return;\r\n        }\r\n        for (const callback of callbacks) {\r\n            try {\r\n                callback(instance, identifier);\r\n            }\r\n            catch (_a) {\r\n                // ignore errors in the onInit callback\r\n            }\r\n        }\r\n    }\r\n    getOrInitializeService({ instanceIdentifier, options = {} }) {\r\n        let instance = this.instances.get(instanceIdentifier);\r\n        if (!instance && this.component) {\r\n            instance = this.component.instanceFactory(this.container, {\r\n                instanceIdentifier: normalizeIdentifierForFactory(instanceIdentifier),\r\n                options\r\n            });\r\n            this.instances.set(instanceIdentifier, instance);\r\n            this.instancesOptions.set(instanceIdentifier, options);\r\n            /**\r\n             * Invoke onInit listeners.\r\n             * Note this.component.onInstanceCreated is different, which is used by the component creator,\r\n             * while onInit listeners are registered by consumers of the provider.\r\n             */\r\n            this.invokeOnInitCallbacks(instance, instanceIdentifier);\r\n            /**\r\n             * Order is important\r\n             * onInstanceCreated() should be called after this.instances.set(instanceIdentifier, instance); which\r\n             * makes `isInitialized()` return true.\r\n             */\r\n            if (this.component.onInstanceCreated) {\r\n                try {\r\n                    this.component.onInstanceCreated(this.container, instanceIdentifier, instance);\r\n                }\r\n                catch (_a) {\r\n                    // ignore errors in the onInstanceCreatedCallback\r\n                }\r\n            }\r\n        }\r\n        return instance || null;\r\n    }\r\n    normalizeInstanceIdentifier(identifier = DEFAULT_ENTRY_NAME) {\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    shouldAutoInitialize() {\r\n        return (!!this.component &&\r\n            this.component.instantiationMode !== \"EXPLICIT\" /* InstantiationMode.EXPLICIT */);\r\n    }\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\" /* InstantiationMode.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\nclass ComponentContainer {\r\n    constructor(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    addComponent(component) {\r\n        const 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    addOrOverwriteComponent(component) {\r\n        const 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    getProvider(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        const provider = new Provider(name, this);\r\n        this.providers.set(name, provider);\r\n        return provider;\r\n    }\r\n    getProviders() {\r\n        return Array.from(this.providers.values());\r\n    }\r\n}\n\nexport { Component, ComponentContainer, Provider };\n//# sourceMappingURL=index.esm2017.js.map\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 container for all of the Logger instances\r\n */\r\nconst 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\nconst 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\nconst 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\nconst ConsoleMethod = {\r\n    [LogLevel.DEBUG]: 'log',\r\n    [LogLevel.VERBOSE]: 'log',\r\n    [LogLevel.INFO]: 'info',\r\n    [LogLevel.WARN]: 'warn',\r\n    [LogLevel.ERROR]: 'error'\r\n};\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\nconst defaultLogHandler = (instance, logType, ...args) => {\r\n    if (logType < instance.logLevel) {\r\n        return;\r\n    }\r\n    const now = new Date().toISOString();\r\n    const method = ConsoleMethod[logType];\r\n    if (method) {\r\n        console[method](`[${now}]  ${instance.name}:`, ...args);\r\n    }\r\n    else {\r\n        throw new Error(`Attempted to log a message with an invalid logType (value: ${logType})`);\r\n    }\r\n};\r\nclass Logger {\r\n    /**\r\n     * Gives you an instance of a Logger to capture messages according to\r\n     * Firebase's logging scheme.\r\n     *\r\n     * @param name The name that the logs will be associated with\r\n     */\r\n    constructor(name) {\r\n        this.name = name;\r\n        /**\r\n         * The log level of the given Logger instance.\r\n         */\r\n        this._logLevel = defaultLogLevel;\r\n        /**\r\n         * The main (internal) log handler for the Logger instance.\r\n         * Can be set to a new function in internal package code but not by user.\r\n         */\r\n        this._logHandler = defaultLogHandler;\r\n        /**\r\n         * The optional, additional, user-defined log handler for the Logger instance.\r\n         */\r\n        this._userLogHandler = null;\r\n        /**\r\n         * Capture the current instance for later use\r\n         */\r\n        instances.push(this);\r\n    }\r\n    get logLevel() {\r\n        return this._logLevel;\r\n    }\r\n    set logLevel(val) {\r\n        if (!(val in LogLevel)) {\r\n            throw new TypeError(`Invalid value \"${val}\" assigned to \\`logLevel\\``);\r\n        }\r\n        this._logLevel = val;\r\n    }\r\n    // Workaround for setter/getter having to be the same type.\r\n    setLogLevel(val) {\r\n        this._logLevel = typeof val === 'string' ? levelStringToEnum[val] : val;\r\n    }\r\n    get logHandler() {\r\n        return this._logHandler;\r\n    }\r\n    set logHandler(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    get userLogHandler() {\r\n        return this._userLogHandler;\r\n    }\r\n    set userLogHandler(val) {\r\n        this._userLogHandler = val;\r\n    }\r\n    /**\r\n     * The functions below are all based on the `console` interface\r\n     */\r\n    debug(...args) {\r\n        this._userLogHandler && this._userLogHandler(this, LogLevel.DEBUG, ...args);\r\n        this._logHandler(this, LogLevel.DEBUG, ...args);\r\n    }\r\n    log(...args) {\r\n        this._userLogHandler &&\r\n            this._userLogHandler(this, LogLevel.VERBOSE, ...args);\r\n        this._logHandler(this, LogLevel.VERBOSE, ...args);\r\n    }\r\n    info(...args) {\r\n        this._userLogHandler && this._userLogHandler(this, LogLevel.INFO, ...args);\r\n        this._logHandler(this, LogLevel.INFO, ...args);\r\n    }\r\n    warn(...args) {\r\n        this._userLogHandler && this._userLogHandler(this, LogLevel.WARN, ...args);\r\n        this._logHandler(this, LogLevel.WARN, ...args);\r\n    }\r\n    error(...args) {\r\n        this._userLogHandler && this._userLogHandler(this, LogLevel.ERROR, ...args);\r\n        this._logHandler(this, LogLevel.ERROR, ...args);\r\n    }\r\n}\r\nfunction setLogLevel(level) {\r\n    instances.forEach(inst => {\r\n        inst.setLogLevel(level);\r\n    });\r\n}\r\nfunction setUserLogHandler(logCallback, options) {\r\n    for (const instance of instances) {\r\n        let 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 = (instance, level, ...args) => {\r\n                const message = args\r\n                    .map(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(arg => 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,\r\n                        args,\r\n                        type: instance.name\r\n                    });\r\n                }\r\n            };\r\n        }\r\n    }\r\n}\n\nexport { LogLevel, Logger, setLogLevel, setUserLogHandler };\n//# sourceMappingURL=index.esm2017.js.map\n","import { registerVersion } from '@firebase/app';\nexport * from '@firebase/app';\n\nvar name = \"firebase\";\nvar version = \"9.22.0\";\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\nregisterVersion(name, version, 'app');\n//# sourceMappingURL=index.esm.js.map\n","const instanceOfAny = (object, constructors) => constructors.some((c) => object instanceof c);\n\nlet idbProxyableTypes;\nlet cursorAdvanceMethods;\n// This is a function to prevent it throwing up in node environments.\nfunction getIdbProxyableTypes() {\n    return (idbProxyableTypes ||\n        (idbProxyableTypes = [\n            IDBDatabase,\n            IDBObjectStore,\n            IDBIndex,\n            IDBCursor,\n            IDBTransaction,\n        ]));\n}\n// This is a function to prevent it throwing up in node environments.\nfunction getCursorAdvanceMethods() {\n    return (cursorAdvanceMethods ||\n        (cursorAdvanceMethods = [\n            IDBCursor.prototype.advance,\n            IDBCursor.prototype.continue,\n            IDBCursor.prototype.continuePrimaryKey,\n        ]));\n}\nconst cursorRequestMap = new WeakMap();\nconst transactionDoneMap = new WeakMap();\nconst transactionStoreNamesMap = new WeakMap();\nconst transformCache = new WeakMap();\nconst reverseTransformCache = new WeakMap();\nfunction promisifyRequest(request) {\n    const promise = new Promise((resolve, reject) => {\n        const unlisten = () => {\n            request.removeEventListener('success', success);\n            request.removeEventListener('error', error);\n        };\n        const success = () => {\n            resolve(wrap(request.result));\n            unlisten();\n        };\n        const error = () => {\n            reject(request.error);\n            unlisten();\n        };\n        request.addEventListener('success', success);\n        request.addEventListener('error', error);\n    });\n    promise\n        .then((value) => {\n        // Since cursoring reuses the IDBRequest (*sigh*), we cache it for later retrieval\n        // (see wrapFunction).\n        if (value instanceof IDBCursor) {\n            cursorRequestMap.set(value, request);\n        }\n        // Catching to avoid \"Uncaught Promise exceptions\"\n    })\n        .catch(() => { });\n    // This mapping exists in reverseTransformCache but doesn't doesn't exist in transformCache. This\n    // is because we create many promises from a single IDBRequest.\n    reverseTransformCache.set(promise, request);\n    return promise;\n}\nfunction cacheDonePromiseForTransaction(tx) {\n    // Early bail if we've already created a done promise for this transaction.\n    if (transactionDoneMap.has(tx))\n        return;\n    const done = new Promise((resolve, reject) => {\n        const unlisten = () => {\n            tx.removeEventListener('complete', complete);\n            tx.removeEventListener('error', error);\n            tx.removeEventListener('abort', error);\n        };\n        const complete = () => {\n            resolve();\n            unlisten();\n        };\n        const error = () => {\n            reject(tx.error || new DOMException('AbortError', 'AbortError'));\n            unlisten();\n        };\n        tx.addEventListener('complete', complete);\n        tx.addEventListener('error', error);\n        tx.addEventListener('abort', error);\n    });\n    // Cache it for later retrieval.\n    transactionDoneMap.set(tx, done);\n}\nlet idbProxyTraps = {\n    get(target, prop, receiver) {\n        if (target instanceof IDBTransaction) {\n            // Special handling for transaction.done.\n            if (prop === 'done')\n                return transactionDoneMap.get(target);\n            // Polyfill for objectStoreNames because of Edge.\n            if (prop === 'objectStoreNames') {\n                return target.objectStoreNames || transactionStoreNamesMap.get(target);\n            }\n            // Make tx.store return the only store in the transaction, or undefined if there are many.\n            if (prop === 'store') {\n                return receiver.objectStoreNames[1]\n                    ? undefined\n                    : receiver.objectStore(receiver.objectStoreNames[0]);\n            }\n        }\n        // Else transform whatever we get back.\n        return wrap(target[prop]);\n    },\n    set(target, prop, value) {\n        target[prop] = value;\n        return true;\n    },\n    has(target, prop) {\n        if (target instanceof IDBTransaction &&\n            (prop === 'done' || prop === 'store')) {\n            return true;\n        }\n        return prop in target;\n    },\n};\nfunction replaceTraps(callback) {\n    idbProxyTraps = callback(idbProxyTraps);\n}\nfunction wrapFunction(func) {\n    // Due to expected object equality (which is enforced by the caching in `wrap`), we\n    // only create one new func per func.\n    // Edge doesn't support objectStoreNames (booo), so we polyfill it here.\n    if (func === IDBDatabase.prototype.transaction &&\n        !('objectStoreNames' in IDBTransaction.prototype)) {\n        return function (storeNames, ...args) {\n            const tx = func.call(unwrap(this), storeNames, ...args);\n            transactionStoreNamesMap.set(tx, storeNames.sort ? storeNames.sort() : [storeNames]);\n            return wrap(tx);\n        };\n    }\n    // Cursor methods are special, as the behaviour is a little more different to standard IDB. In\n    // IDB, you advance the cursor and wait for a new 'success' on the IDBRequest that gave you the\n    // cursor. It's kinda like a promise that can resolve with many values. That doesn't make sense\n    // with real promises, so each advance methods returns a new promise for the cursor object, or\n    // undefined if the end of the cursor has been reached.\n    if (getCursorAdvanceMethods().includes(func)) {\n        return function (...args) {\n            // Calling the original function with the proxy as 'this' causes ILLEGAL INVOCATION, so we use\n            // the original object.\n            func.apply(unwrap(this), args);\n            return wrap(cursorRequestMap.get(this));\n        };\n    }\n    return function (...args) {\n        // Calling the original function with the proxy as 'this' causes ILLEGAL INVOCATION, so we use\n        // the original object.\n        return wrap(func.apply(unwrap(this), args));\n    };\n}\nfunction transformCachableValue(value) {\n    if (typeof value === 'function')\n        return wrapFunction(value);\n    // This doesn't return, it just creates a 'done' promise for the transaction,\n    // which is later returned for transaction.done (see idbObjectHandler).\n    if (value instanceof IDBTransaction)\n        cacheDonePromiseForTransaction(value);\n    if (instanceOfAny(value, getIdbProxyableTypes()))\n        return new Proxy(value, idbProxyTraps);\n    // Return the same value back if we're not going to transform it.\n    return value;\n}\nfunction wrap(value) {\n    // We sometimes generate multiple promises from a single IDBRequest (eg when cursoring), because\n    // IDB is weird and a single IDBRequest can yield many responses, so these can't be cached.\n    if (value instanceof IDBRequest)\n        return promisifyRequest(value);\n    // If we've already transformed this value before, reuse the transformed value.\n    // This is faster, but it also provides object equality.\n    if (transformCache.has(value))\n        return transformCache.get(value);\n    const newValue = transformCachableValue(value);\n    // Not all types are transformed.\n    // These may be primitive types, so they can't be WeakMap keys.\n    if (newValue !== value) {\n        transformCache.set(value, newValue);\n        reverseTransformCache.set(newValue, value);\n    }\n    return newValue;\n}\nconst unwrap = (value) => reverseTransformCache.get(value);\n\nexport { reverseTransformCache as a, instanceOfAny as i, replaceTraps as r, unwrap as u, wrap as w };\n","import { w as wrap, r as replaceTraps } from './wrap-idb-value.js';\nexport { u as unwrap, w as wrap } from './wrap-idb-value.js';\n\n/**\n * Open a database.\n *\n * @param name Name of the database.\n * @param version Schema version.\n * @param callbacks Additional callbacks.\n */\nfunction openDB(name, version, { blocked, upgrade, blocking, terminated } = {}) {\n    const request = indexedDB.open(name, version);\n    const openPromise = wrap(request);\n    if (upgrade) {\n        request.addEventListener('upgradeneeded', (event) => {\n            upgrade(wrap(request.result), event.oldVersion, event.newVersion, wrap(request.transaction));\n        });\n    }\n    if (blocked)\n        request.addEventListener('blocked', () => blocked());\n    openPromise\n        .then((db) => {\n        if (terminated)\n            db.addEventListener('close', () => terminated());\n        if (blocking)\n            db.addEventListener('versionchange', () => blocking());\n    })\n        .catch(() => { });\n    return openPromise;\n}\n/**\n * Delete a database.\n *\n * @param name Name of the database.\n */\nfunction deleteDB(name, { blocked } = {}) {\n    const request = indexedDB.deleteDatabase(name);\n    if (blocked)\n        request.addEventListener('blocked', () => blocked());\n    return wrap(request).then(() => undefined);\n}\n\nconst readMethods = ['get', 'getKey', 'getAll', 'getAllKeys', 'count'];\nconst writeMethods = ['put', 'add', 'delete', 'clear'];\nconst cachedMethods = new Map();\nfunction getMethod(target, prop) {\n    if (!(target instanceof IDBDatabase &&\n        !(prop in target) &&\n        typeof prop === 'string')) {\n        return;\n    }\n    if (cachedMethods.get(prop))\n        return cachedMethods.get(prop);\n    const targetFuncName = prop.replace(/FromIndex$/, '');\n    const useIndex = prop !== targetFuncName;\n    const isWrite = writeMethods.includes(targetFuncName);\n    if (\n    // Bail if the target doesn't exist on the target. Eg, getAll isn't in Edge.\n    !(targetFuncName in (useIndex ? IDBIndex : IDBObjectStore).prototype) ||\n        !(isWrite || readMethods.includes(targetFuncName))) {\n        return;\n    }\n    const method = async function (storeName, ...args) {\n        // isWrite ? 'readwrite' : undefined gzipps better, but fails in Edge :(\n        const tx = this.transaction(storeName, isWrite ? 'readwrite' : 'readonly');\n        let target = tx.store;\n        if (useIndex)\n            target = target.index(args.shift());\n        // Must reject if op rejects.\n        // If it's a write operation, must reject if tx.done rejects.\n        // Must reject with op rejection first.\n        // Must resolve with op value.\n        // Must handle both promises (no unhandled rejections)\n        return (await Promise.all([\n            target[targetFuncName](...args),\n            isWrite && tx.done,\n        ]))[0];\n    };\n    cachedMethods.set(prop, method);\n    return method;\n}\nreplaceTraps((oldTraps) => ({\n    ...oldTraps,\n    get: (target, prop, receiver) => getMethod(target, prop) || oldTraps.get(target, prop, receiver),\n    has: (target, prop) => !!getMethod(target, prop) || oldTraps.has(target, prop),\n}));\n\nexport { deleteDB, openDB };\n","import { _getProvider, getApp, _registerComponent, registerVersion } from '@firebase/app';\nimport { Component } from '@firebase/component';\nimport { ErrorFactory, FirebaseError } from '@firebase/util';\nimport { openDB } from 'idb';\n\nconst name = \"@firebase/installations\";\nconst version = \"0.6.4\";\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\nconst PENDING_TIMEOUT_MS = 10000;\r\nconst PACKAGE_VERSION = `w:${version}`;\r\nconst INTERNAL_AUTH_VERSION = 'FIS_v2';\r\nconst INSTALLATIONS_API_URL = 'https://firebaseinstallations.googleapis.com/v1';\r\nconst TOKEN_EXPIRATION_BUFFER = 60 * 60 * 1000; // One hour\r\nconst SERVICE = 'installations';\r\nconst 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\nconst ERROR_DESCRIPTION_MAP = {\r\n    [\"missing-app-config-values\" /* ErrorCode.MISSING_APP_CONFIG_VALUES */]: 'Missing App configuration value: \"{$valueName}\"',\r\n    [\"not-registered\" /* ErrorCode.NOT_REGISTERED */]: 'Firebase Installation is not registered.',\r\n    [\"installation-not-found\" /* ErrorCode.INSTALLATION_NOT_FOUND */]: 'Firebase Installation not found.',\r\n    [\"request-failed\" /* ErrorCode.REQUEST_FAILED */]: '{$requestName} request failed with error \"{$serverCode} {$serverStatus}: {$serverMessage}\"',\r\n    [\"app-offline\" /* ErrorCode.APP_OFFLINE */]: 'Could not process request. Application offline.',\r\n    [\"delete-pending-registration\" /* ErrorCode.DELETE_PENDING_REGISTRATION */]: \"Can't delete installation while there is a pending registration request.\"\r\n};\r\nconst ERROR_FACTORY = new ErrorFactory(SERVICE, SERVICE_NAME, ERROR_DESCRIPTION_MAP);\r\n/** Returns true if error is a FirebaseError that is based on an error from the server. */\r\nfunction isServerError(error) {\r\n    return (error instanceof FirebaseError &&\r\n        error.code.includes(\"request-failed\" /* ErrorCode.REQUEST_FAILED */));\r\n}\n\n/**\r\n * @license\r\n * Copyright 2019 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n *   http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\r\nfunction getInstallationsEndpoint({ projectId }) {\r\n    return `${INSTALLATIONS_API_URL}/projects/${projectId}/installations`;\r\n}\r\nfunction extractAuthTokenInfoFromResponse(response) {\r\n    return {\r\n        token: response.token,\r\n        requestStatus: 2 /* RequestStatus.COMPLETED */,\r\n        expiresIn: getExpiresInFromResponseExpiresIn(response.expiresIn),\r\n        creationTime: Date.now()\r\n    };\r\n}\r\nasync function getErrorFromResponse(requestName, response) {\r\n    const responseJson = await response.json();\r\n    const errorData = responseJson.error;\r\n    return ERROR_FACTORY.create(\"request-failed\" /* ErrorCode.REQUEST_FAILED */, {\r\n        requestName,\r\n        serverCode: errorData.code,\r\n        serverMessage: errorData.message,\r\n        serverStatus: errorData.status\r\n    });\r\n}\r\nfunction getHeaders({ apiKey }) {\r\n    return new Headers({\r\n        'Content-Type': 'application/json',\r\n        Accept: 'application/json',\r\n        'x-goog-api-key': apiKey\r\n    });\r\n}\r\nfunction getHeadersWithAuth(appConfig, { refreshToken }) {\r\n    const headers = getHeaders(appConfig);\r\n    headers.append('Authorization', getAuthorizationHeader(refreshToken));\r\n    return headers;\r\n}\r\n/**\r\n * Calls the passed in fetch wrapper and returns the response.\r\n * If the returned response has a status of 5xx, re-runs the function once and\r\n * returns the response.\r\n */\r\nasync function retryIfServerError(fn) {\r\n    const result = await fn();\r\n    if (result.status >= 500 && result.status < 600) {\r\n        // Internal Server Error. Retry request.\r\n        return fn();\r\n    }\r\n    return result;\r\n}\r\nfunction getExpiresInFromResponseExpiresIn(responseExpiresIn) {\r\n    // This works because the server will never respond with fractions of a second.\r\n    return Number(responseExpiresIn.replace('s', '000'));\r\n}\r\nfunction getAuthorizationHeader(refreshToken) {\r\n    return `${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\nasync function createInstallationRequest({ appConfig, heartbeatServiceProvider }, { fid }) {\r\n    const endpoint = getInstallationsEndpoint(appConfig);\r\n    const headers = getHeaders(appConfig);\r\n    // If heartbeat service exists, add the heartbeat string to the header.\r\n    const heartbeatService = heartbeatServiceProvider.getImmediate({\r\n        optional: true\r\n    });\r\n    if (heartbeatService) {\r\n        const heartbeatsHeader = await heartbeatService.getHeartbeatsHeader();\r\n        if (heartbeatsHeader) {\r\n            headers.append('x-firebase-client', heartbeatsHeader);\r\n        }\r\n    }\r\n    const body = {\r\n        fid,\r\n        authVersion: INTERNAL_AUTH_VERSION,\r\n        appId: appConfig.appId,\r\n        sdkVersion: PACKAGE_VERSION\r\n    };\r\n    const request = {\r\n        method: 'POST',\r\n        headers,\r\n        body: JSON.stringify(body)\r\n    };\r\n    const response = await retryIfServerError(() => fetch(endpoint, request));\r\n    if (response.ok) {\r\n        const responseValue = await response.json();\r\n        const registeredInstallationEntry = {\r\n            fid: responseValue.fid || fid,\r\n            registrationStatus: 2 /* RequestStatus.COMPLETED */,\r\n            refreshToken: responseValue.refreshToken,\r\n            authToken: extractAuthTokenInfoFromResponse(responseValue.authToken)\r\n        };\r\n        return registeredInstallationEntry;\r\n    }\r\n    else {\r\n        throw await getErrorFromResponse('Create Installation', response);\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(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    const b64 = btoa(String.fromCharCode(...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\nconst VALID_FID_PATTERN = /^[cdef][\\w-]{21}$/;\r\nconst 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        const fidByteArray = new Uint8Array(17);\r\n        const crypto = self.crypto || self.msCrypto;\r\n        crypto.getRandomValues(fidByteArray);\r\n        // Replace the first 4 random bits with the constant FID header of 0b0111.\r\n        fidByteArray[0] = 0b01110000 + (fidByteArray[0] % 0b00010000);\r\n        const 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    const 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\nconst 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    const 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    const key = getKey(appConfig);\r\n    let 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    const key = getKey(appConfig);\r\n    const 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    const callbacks = fidChangeCallbacks.get(key);\r\n    if (!callbacks) {\r\n        return;\r\n    }\r\n    for (const callback of callbacks) {\r\n        callback(fid);\r\n    }\r\n}\r\nfunction broadcastFidChange(key, fid) {\r\n    const channel = getBroadcastChannel();\r\n    if (channel) {\r\n        channel.postMessage({ key, fid });\r\n    }\r\n    closeBroadcastChannel();\r\n}\r\nlet 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 = 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\nconst DATABASE_NAME = 'firebase-installations-database';\r\nconst DATABASE_VERSION = 1;\r\nconst OBJECT_STORE_NAME = 'firebase-installations-store';\r\nlet dbPromise = null;\r\nfunction getDbPromise() {\r\n    if (!dbPromise) {\r\n        dbPromise = openDB(DATABASE_NAME, DATABASE_VERSION, {\r\n            upgrade: (db, oldVersion) => {\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 (oldVersion) {\r\n                    case 0:\r\n                        db.createObjectStore(OBJECT_STORE_NAME);\r\n                }\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\nasync function set(appConfig, value) {\r\n    const key = getKey(appConfig);\r\n    const db = await getDbPromise();\r\n    const tx = db.transaction(OBJECT_STORE_NAME, 'readwrite');\r\n    const objectStore = tx.objectStore(OBJECT_STORE_NAME);\r\n    const oldValue = (await objectStore.get(key));\r\n    await objectStore.put(value, key);\r\n    await tx.done;\r\n    if (!oldValue || oldValue.fid !== value.fid) {\r\n        fidChanged(appConfig, value.fid);\r\n    }\r\n    return value;\r\n}\r\n/** Removes record(s) from the objectStore that match the given key. */\r\nasync function remove(appConfig) {\r\n    const key = getKey(appConfig);\r\n    const db = await getDbPromise();\r\n    const tx = db.transaction(OBJECT_STORE_NAME, 'readwrite');\r\n    await tx.objectStore(OBJECT_STORE_NAME).delete(key);\r\n    await tx.done;\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\nasync function update(appConfig, updateFn) {\r\n    const key = getKey(appConfig);\r\n    const db = await getDbPromise();\r\n    const tx = db.transaction(OBJECT_STORE_NAME, 'readwrite');\r\n    const store = tx.objectStore(OBJECT_STORE_NAME);\r\n    const oldValue = (await store.get(key));\r\n    const newValue = updateFn(oldValue);\r\n    if (newValue === undefined) {\r\n        await store.delete(key);\r\n    }\r\n    else {\r\n        await store.put(newValue, key);\r\n    }\r\n    await tx.done;\r\n    if (newValue && (!oldValue || oldValue.fid !== newValue.fid)) {\r\n        fidChanged(appConfig, newValue.fid);\r\n    }\r\n    return newValue;\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\nasync function getInstallationEntry(installations) {\r\n    let registrationPromise;\r\n    const installationEntry = await update(installations.appConfig, oldEntry => {\r\n        const installationEntry = updateOrCreateInstallationEntry(oldEntry);\r\n        const entryWithPromise = triggerRegistrationIfNecessary(installations, installationEntry);\r\n        registrationPromise = entryWithPromise.registrationPromise;\r\n        return entryWithPromise.installationEntry;\r\n    });\r\n    if (installationEntry.fid === INVALID_FID) {\r\n        // FID generation failed. Waiting for the FID from the server.\r\n        return { installationEntry: await registrationPromise };\r\n    }\r\n    return {\r\n        installationEntry,\r\n        registrationPromise\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    const entry = oldEntry || {\r\n        fid: generateFid(),\r\n        registrationStatus: 0 /* RequestStatus.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(installations, installationEntry) {\r\n    if (installationEntry.registrationStatus === 0 /* RequestStatus.NOT_STARTED */) {\r\n        if (!navigator.onLine) {\r\n            // Registration required but app is offline.\r\n            const registrationPromiseWithError = Promise.reject(ERROR_FACTORY.create(\"app-offline\" /* ErrorCode.APP_OFFLINE */));\r\n            return {\r\n                installationEntry,\r\n                registrationPromise: registrationPromiseWithError\r\n            };\r\n        }\r\n        // Try registering. Change status to IN_PROGRESS.\r\n        const inProgressEntry = {\r\n            fid: installationEntry.fid,\r\n            registrationStatus: 1 /* RequestStatus.IN_PROGRESS */,\r\n            registrationTime: Date.now()\r\n        };\r\n        const registrationPromise = registerInstallation(installations, inProgressEntry);\r\n        return { installationEntry: inProgressEntry, registrationPromise };\r\n    }\r\n    else if (installationEntry.registrationStatus === 1 /* RequestStatus.IN_PROGRESS */) {\r\n        return {\r\n            installationEntry,\r\n            registrationPromise: waitUntilFidRegistration(installations)\r\n        };\r\n    }\r\n    else {\r\n        return { installationEntry };\r\n    }\r\n}\r\n/** This will be executed only once for each new Firebase Installation. */\r\nasync function registerInstallation(installations, installationEntry) {\r\n    try {\r\n        const registeredInstallationEntry = await createInstallationRequest(installations, installationEntry);\r\n        return set(installations.appConfig, registeredInstallationEntry);\r\n    }\r\n    catch (e) {\r\n        if (isServerError(e) && e.customData.serverCode === 409) {\r\n            // Server returned a \"FID can not be used\" error.\r\n            // Generate a new ID next time.\r\n            await remove(installations.appConfig);\r\n        }\r\n        else {\r\n            // Registration failed. Set FID as not registered.\r\n            await set(installations.appConfig, {\r\n                fid: installationEntry.fid,\r\n                registrationStatus: 0 /* RequestStatus.NOT_STARTED */\r\n            });\r\n        }\r\n        throw e;\r\n    }\r\n}\r\n/** Call if FID registration is pending in another request. */\r\nasync function waitUntilFidRegistration(installations) {\r\n    // Unfortunately, there is no way of reliably observing when a value in\r\n    // IndexedDB changes (yet, see https://github.com/WICG/indexed-db-observers),\r\n    // so we need to poll.\r\n    let entry = await updateInstallationRequest(installations.appConfig);\r\n    while (entry.registrationStatus === 1 /* RequestStatus.IN_PROGRESS */) {\r\n        // createInstallation request still in progress.\r\n        await sleep(100);\r\n        entry = await updateInstallationRequest(installations.appConfig);\r\n    }\r\n    if (entry.registrationStatus === 0 /* RequestStatus.NOT_STARTED */) {\r\n        // The request timed out or failed in a different call. Try again.\r\n        const { installationEntry, registrationPromise } = await getInstallationEntry(installations);\r\n        if (registrationPromise) {\r\n            return registrationPromise;\r\n        }\r\n        else {\r\n            // if there is no registrationPromise, entry is registered.\r\n            return installationEntry;\r\n        }\r\n    }\r\n    return entry;\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, oldEntry => {\r\n        if (!oldEntry) {\r\n            throw ERROR_FACTORY.create(\"installation-not-found\" /* ErrorCode.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 /* RequestStatus.NOT_STARTED */\r\n        };\r\n    }\r\n    return entry;\r\n}\r\nfunction hasInstallationRequestTimedOut(installationEntry) {\r\n    return (installationEntry.registrationStatus === 1 /* RequestStatus.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\nasync function generateAuthTokenRequest({ appConfig, heartbeatServiceProvider }, installationEntry) {\r\n    const endpoint = getGenerateAuthTokenEndpoint(appConfig, installationEntry);\r\n    const headers = getHeadersWithAuth(appConfig, installationEntry);\r\n    // If heartbeat service exists, add the heartbeat string to the header.\r\n    const heartbeatService = heartbeatServiceProvider.getImmediate({\r\n        optional: true\r\n    });\r\n    if (heartbeatService) {\r\n        const heartbeatsHeader = await heartbeatService.getHeartbeatsHeader();\r\n        if (heartbeatsHeader) {\r\n            headers.append('x-firebase-client', heartbeatsHeader);\r\n        }\r\n    }\r\n    const body = {\r\n        installation: {\r\n            sdkVersion: PACKAGE_VERSION,\r\n            appId: appConfig.appId\r\n        }\r\n    };\r\n    const request = {\r\n        method: 'POST',\r\n        headers,\r\n        body: JSON.stringify(body)\r\n    };\r\n    const response = await retryIfServerError(() => fetch(endpoint, request));\r\n    if (response.ok) {\r\n        const responseValue = await response.json();\r\n        const completedAuthToken = extractAuthTokenInfoFromResponse(responseValue);\r\n        return completedAuthToken;\r\n    }\r\n    else {\r\n        throw await getErrorFromResponse('Generate Auth Token', response);\r\n    }\r\n}\r\nfunction getGenerateAuthTokenEndpoint(appConfig, { 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\nasync function refreshAuthToken(installations, forceRefresh = false) {\r\n    let tokenPromise;\r\n    const entry = await update(installations.appConfig, oldEntry => {\r\n        if (!isEntryRegistered(oldEntry)) {\r\n            throw ERROR_FACTORY.create(\"not-registered\" /* ErrorCode.NOT_REGISTERED */);\r\n        }\r\n        const 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 /* RequestStatus.IN_PROGRESS */) {\r\n            // There already is a token request in progress.\r\n            tokenPromise = waitUntilAuthTokenRequest(installations, 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\" /* ErrorCode.APP_OFFLINE */);\r\n            }\r\n            const inProgressEntry = makeAuthTokenRequestInProgressEntry(oldEntry);\r\n            tokenPromise = fetchAuthTokenFromServer(installations, inProgressEntry);\r\n            return inProgressEntry;\r\n        }\r\n    });\r\n    const authToken = tokenPromise\r\n        ? await tokenPromise\r\n        : entry.authToken;\r\n    return authToken;\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\nasync function waitUntilAuthTokenRequest(installations, forceRefresh) {\r\n    // Unfortunately, there is no way of reliably observing when a value in\r\n    // IndexedDB changes (yet, see https://github.com/WICG/indexed-db-observers),\r\n    // so we need to poll.\r\n    let entry = await updateAuthTokenRequest(installations.appConfig);\r\n    while (entry.authToken.requestStatus === 1 /* RequestStatus.IN_PROGRESS */) {\r\n        // generateAuthToken still in progress.\r\n        await sleep(100);\r\n        entry = await updateAuthTokenRequest(installations.appConfig);\r\n    }\r\n    const authToken = entry.authToken;\r\n    if (authToken.requestStatus === 0 /* RequestStatus.NOT_STARTED */) {\r\n        // The request timed out or failed in a different call. Try again.\r\n        return refreshAuthToken(installations, forceRefresh);\r\n    }\r\n    else {\r\n        return authToken;\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, oldEntry => {\r\n        if (!isEntryRegistered(oldEntry)) {\r\n            throw ERROR_FACTORY.create(\"not-registered\" /* ErrorCode.NOT_REGISTERED */);\r\n        }\r\n        const oldAuthToken = oldEntry.authToken;\r\n        if (hasAuthTokenRequestTimedOut(oldAuthToken)) {\r\n            return Object.assign(Object.assign({}, oldEntry), { authToken: { requestStatus: 0 /* RequestStatus.NOT_STARTED */ } });\r\n        }\r\n        return oldEntry;\r\n    });\r\n}\r\nasync function fetchAuthTokenFromServer(installations, installationEntry) {\r\n    try {\r\n        const authToken = await generateAuthTokenRequest(installations, installationEntry);\r\n        const updatedInstallationEntry = Object.assign(Object.assign({}, installationEntry), { authToken });\r\n        await set(installations.appConfig, updatedInstallationEntry);\r\n        return authToken;\r\n    }\r\n    catch (e) {\r\n        if (isServerError(e) &&\r\n            (e.customData.serverCode === 401 || e.customData.serverCode === 404)) {\r\n            // Server returned a \"FID not found\" or a \"Invalid authentication\" error.\r\n            // Generate a new ID next time.\r\n            await remove(installations.appConfig);\r\n        }\r\n        else {\r\n            const updatedInstallationEntry = Object.assign(Object.assign({}, installationEntry), { authToken: { requestStatus: 0 /* RequestStatus.NOT_STARTED */ } });\r\n            await set(installations.appConfig, updatedInstallationEntry);\r\n        }\r\n        throw e;\r\n    }\r\n}\r\nfunction isEntryRegistered(installationEntry) {\r\n    return (installationEntry !== undefined &&\r\n        installationEntry.registrationStatus === 2 /* RequestStatus.COMPLETED */);\r\n}\r\nfunction isAuthTokenValid(authToken) {\r\n    return (authToken.requestStatus === 2 /* RequestStatus.COMPLETED */ &&\r\n        !isAuthTokenExpired(authToken));\r\n}\r\nfunction isAuthTokenExpired(authToken) {\r\n    const 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    const inProgressAuthToken = {\r\n        requestStatus: 1 /* RequestStatus.IN_PROGRESS */,\r\n        requestTime: Date.now()\r\n    };\r\n    return Object.assign(Object.assign({}, oldEntry), { authToken: inProgressAuthToken });\r\n}\r\nfunction hasAuthTokenRequestTimedOut(authToken) {\r\n    return (authToken.requestStatus === 1 /* RequestStatus.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\n/**\r\n * Creates a Firebase Installation if there isn't one for the app and\r\n * returns the Installation ID.\r\n * @param installations - The `Installations` instance.\r\n *\r\n * @public\r\n */\r\nasync function getId(installations) {\r\n    const installationsImpl = installations;\r\n    const { installationEntry, registrationPromise } = await getInstallationEntry(installationsImpl);\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(installationsImpl).catch(console.error);\r\n    }\r\n    return installationEntry.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\n/**\r\n * Returns a Firebase Installations auth token, identifying the current\r\n * Firebase Installation.\r\n * @param installations - The `Installations` instance.\r\n * @param forceRefresh - Force refresh regardless of token expiration.\r\n *\r\n * @public\r\n */\r\nasync function getToken(installations, forceRefresh = false) {\r\n    const installationsImpl = installations;\r\n    await completeInstallationRegistration(installationsImpl);\r\n    // At this point we either have a Registered Installation in the DB, or we've\r\n    // already thrown an error.\r\n    const authToken = await refreshAuthToken(installationsImpl, forceRefresh);\r\n    return authToken.token;\r\n}\r\nasync function completeInstallationRegistration(installations) {\r\n    const { registrationPromise } = await getInstallationEntry(installations);\r\n    if (registrationPromise) {\r\n        // A createInstallation request is in progress. Wait until it finishes.\r\n        await registrationPromise;\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\nasync function deleteInstallationRequest(appConfig, installationEntry) {\r\n    const endpoint = getDeleteEndpoint(appConfig, installationEntry);\r\n    const headers = getHeadersWithAuth(appConfig, installationEntry);\r\n    const request = {\r\n        method: 'DELETE',\r\n        headers\r\n    };\r\n    const response = await retryIfServerError(() => fetch(endpoint, request));\r\n    if (!response.ok) {\r\n        throw await getErrorFromResponse('Delete Installation', response);\r\n    }\r\n}\r\nfunction getDeleteEndpoint(appConfig, { 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\n/**\r\n * Deletes the Firebase Installation and all associated data.\r\n * @param installations - The `Installations` instance.\r\n *\r\n * @public\r\n */\r\nasync function deleteInstallations(installations) {\r\n    const { appConfig } = installations;\r\n    const entry = await update(appConfig, oldEntry => {\r\n        if (oldEntry && oldEntry.registrationStatus === 0 /* RequestStatus.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    if (entry) {\r\n        if (entry.registrationStatus === 1 /* RequestStatus.IN_PROGRESS */) {\r\n            // Can't delete while trying to register.\r\n            throw ERROR_FACTORY.create(\"delete-pending-registration\" /* ErrorCode.DELETE_PENDING_REGISTRATION */);\r\n        }\r\n        else if (entry.registrationStatus === 2 /* RequestStatus.COMPLETED */) {\r\n            if (!navigator.onLine) {\r\n                throw ERROR_FACTORY.create(\"app-offline\" /* ErrorCode.APP_OFFLINE */);\r\n            }\r\n            else {\r\n                await deleteInstallationRequest(appConfig, entry);\r\n                await remove(appConfig);\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 * @param installations - The `Installations` instance.\r\n * @param callback - The callback function that is invoked when FID changes.\r\n * @returns A function that can be called to unsubscribe.\r\n *\r\n * @public\r\n */\r\nfunction onIdChange(installations, callback) {\r\n    const { appConfig } = installations;\r\n    addCallback(appConfig, callback);\r\n    return () => {\r\n        removeCallback(appConfig, callback);\r\n    };\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\n/**\r\n * Returns an instance of {@link Installations} associated with the given\r\n * {@link @firebase/app#FirebaseApp} instance.\r\n * @param app - The {@link @firebase/app#FirebaseApp} instance.\r\n *\r\n * @public\r\n */\r\nfunction getInstallations(app = getApp()) {\r\n    const installationsImpl = _getProvider(app, 'installations').getImmediate();\r\n    return installationsImpl;\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    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    const configKeys = [\r\n        'projectId',\r\n        'apiKey',\r\n        'appId'\r\n    ];\r\n    for (const keyName of configKeys) {\r\n        if (!app.options[keyName]) {\r\n            throw getMissingValueError(keyName);\r\n        }\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\" /* ErrorCode.MISSING_APP_CONFIG_VALUES */, {\r\n        valueName\r\n    });\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\nconst INSTALLATIONS_NAME = 'installations';\r\nconst INSTALLATIONS_NAME_INTERNAL = 'installations-internal';\r\nconst publicFactory = (container) => {\r\n    const app = container.getProvider('app').getImmediate();\r\n    // Throws if app isn't configured properly.\r\n    const appConfig = extractAppConfig(app);\r\n    const heartbeatServiceProvider = _getProvider(app, 'heartbeat');\r\n    const installationsImpl = {\r\n        app,\r\n        appConfig,\r\n        heartbeatServiceProvider,\r\n        _delete: () => Promise.resolve()\r\n    };\r\n    return installationsImpl;\r\n};\r\nconst internalFactory = (container) => {\r\n    const app = container.getProvider('app').getImmediate();\r\n    // Internal FIS instance relies on public FIS instance.\r\n    const installations = _getProvider(app, INSTALLATIONS_NAME).getImmediate();\r\n    const installationsInternal = {\r\n        getId: () => getId(installations),\r\n        getToken: (forceRefresh) => getToken(installations, forceRefresh)\r\n    };\r\n    return installationsInternal;\r\n};\r\nfunction registerInstallations() {\r\n    _registerComponent(new Component(INSTALLATIONS_NAME, publicFactory, \"PUBLIC\" /* ComponentType.PUBLIC */));\r\n    _registerComponent(new Component(INSTALLATIONS_NAME_INTERNAL, internalFactory, \"PRIVATE\" /* ComponentType.PRIVATE */));\r\n}\n\n/**\r\n * Firebase Installations\r\n *\r\n * @packageDocumentation\r\n */\r\nregisterInstallations();\r\nregisterVersion(name, version);\r\n// BUILD_TARGET will be replaced by values like esm5, esm2017, cjs5, etc during the compilation\r\nregisterVersion(name, version, 'esm2017');\n\nexport { deleteInstallations, getId, getInstallations, getToken, onIdChange };\n//# sourceMappingURL=index.esm2017.js.map\n","import { _getProvider, getApp, _registerComponent, registerVersion, SDK_VERSION } from '@firebase/app';\nimport { ErrorFactory, FirebaseError, getModularInstance, calculateBackoffMillis, isIndexedDBAvailable, validateIndexedDBOpenable } from '@firebase/util';\nimport { Component } from '@firebase/component';\nimport { LogLevel, Logger } from '@firebase/logger';\nimport '@firebase/installations';\n\nconst name = \"@firebase/remote-config\";\nconst version = \"0.4.4\";\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\nclass RemoteConfigAbortSignal {\r\n    constructor() {\r\n        this.listeners = [];\r\n    }\r\n    addEventListener(listener) {\r\n        this.listeners.push(listener);\r\n    }\r\n    abort() {\r\n        this.listeners.forEach(listener => listener());\r\n    }\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\nconst RC_COMPONENT_NAME = 'remote-config';\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\nconst ERROR_DESCRIPTION_MAP = {\r\n    [\"registration-window\" /* ErrorCode.REGISTRATION_WINDOW */]: 'Undefined window object. This SDK only supports usage in a browser environment.',\r\n    [\"registration-project-id\" /* ErrorCode.REGISTRATION_PROJECT_ID */]: 'Undefined project identifier. Check Firebase app initialization.',\r\n    [\"registration-api-key\" /* ErrorCode.REGISTRATION_API_KEY */]: 'Undefined API key. Check Firebase app initialization.',\r\n    [\"registration-app-id\" /* ErrorCode.REGISTRATION_APP_ID */]: 'Undefined app identifier. Check Firebase app initialization.',\r\n    [\"storage-open\" /* ErrorCode.STORAGE_OPEN */]: 'Error thrown when opening storage. Original error: {$originalErrorMessage}.',\r\n    [\"storage-get\" /* ErrorCode.STORAGE_GET */]: 'Error thrown when reading from storage. Original error: {$originalErrorMessage}.',\r\n    [\"storage-set\" /* ErrorCode.STORAGE_SET */]: 'Error thrown when writing to storage. Original error: {$originalErrorMessage}.',\r\n    [\"storage-delete\" /* ErrorCode.STORAGE_DELETE */]: 'Error thrown when deleting from storage. Original error: {$originalErrorMessage}.',\r\n    [\"fetch-client-network\" /* ErrorCode.FETCH_NETWORK */]: 'Fetch client failed to connect to a network. Check Internet connection.' +\r\n        ' Original error: {$originalErrorMessage}.',\r\n    [\"fetch-timeout\" /* ErrorCode.FETCH_TIMEOUT */]: 'The config fetch request timed out. ' +\r\n        ' Configure timeout using \"fetchTimeoutMillis\" SDK setting.',\r\n    [\"fetch-throttle\" /* ErrorCode.FETCH_THROTTLE */]: 'The config fetch request timed out while in an exponential backoff state.' +\r\n        ' Configure timeout using \"fetchTimeoutMillis\" SDK setting.' +\r\n        ' Unix timestamp in milliseconds when fetch request throttling ends: {$throttleEndTimeMillis}.',\r\n    [\"fetch-client-parse\" /* ErrorCode.FETCH_PARSE */]: 'Fetch client could not parse response.' +\r\n        ' Original error: {$originalErrorMessage}.',\r\n    [\"fetch-status\" /* ErrorCode.FETCH_STATUS */]: 'Fetch server returned an HTTP error status. HTTP status: {$httpStatus}.',\r\n    [\"indexed-db-unavailable\" /* ErrorCode.INDEXED_DB_UNAVAILABLE */]: 'Indexed DB is not supported by current browser'\r\n};\r\nconst ERROR_FACTORY = new 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 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\nconst DEFAULT_VALUE_FOR_BOOLEAN = false;\r\nconst DEFAULT_VALUE_FOR_STRING = '';\r\nconst DEFAULT_VALUE_FOR_NUMBER = 0;\r\nconst BOOLEAN_TRUTHY_VALUES = ['1', 'true', 't', 'yes', 'y', 'on'];\r\nclass Value {\r\n    constructor(_source, _value = DEFAULT_VALUE_FOR_STRING) {\r\n        this._source = _source;\r\n        this._value = _value;\r\n    }\r\n    asString() {\r\n        return this._value;\r\n    }\r\n    asBoolean() {\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    asNumber() {\r\n        if (this._source === 'static') {\r\n            return DEFAULT_VALUE_FOR_NUMBER;\r\n        }\r\n        let 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    getSource() {\r\n        return this._source;\r\n    }\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\n/**\r\n *\r\n * @param app - The {@link @firebase/app#FirebaseApp} instance.\r\n * @returns A {@link RemoteConfig} instance.\r\n *\r\n * @public\r\n */\r\nfunction getRemoteConfig(app = getApp()) {\r\n    app = getModularInstance(app);\r\n    const rcProvider = _getProvider(app, RC_COMPONENT_NAME);\r\n    return rcProvider.getImmediate();\r\n}\r\n/**\r\n * Makes the last fetched config available to the getters.\r\n * @param remoteConfig - The {@link RemoteConfig} instance.\r\n * @returns A `Promise` which resolves to true if the current call activated the fetched configs.\r\n * If the fetched configs were already activated, the `Promise` will resolve to false.\r\n *\r\n * @public\r\n */\r\nasync function activate(remoteConfig) {\r\n    const rc = getModularInstance(remoteConfig);\r\n    const [lastSuccessfulFetchResponse, activeConfigEtag] = await Promise.all([\r\n        rc._storage.getLastSuccessfulFetchResponse(),\r\n        rc._storage.getActiveConfigEtag()\r\n    ]);\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 false;\r\n    }\r\n    await Promise.all([\r\n        rc._storageCache.setActiveConfig(lastSuccessfulFetchResponse.config),\r\n        rc._storage.setActiveConfigEtag(lastSuccessfulFetchResponse.eTag)\r\n    ]);\r\n    return true;\r\n}\r\n/**\r\n * Ensures the last activated config are available to the getters.\r\n * @param remoteConfig - The {@link RemoteConfig} instance.\r\n *\r\n * @returns A `Promise` that resolves when the last activated config is available to the getters.\r\n * @public\r\n */\r\nfunction ensureInitialized(remoteConfig) {\r\n    const rc = getModularInstance(remoteConfig);\r\n    if (!rc._initializePromise) {\r\n        rc._initializePromise = rc._storageCache.loadFromStorage().then(() => {\r\n            rc._isInitializationComplete = true;\r\n        });\r\n    }\r\n    return rc._initializePromise;\r\n}\r\n/**\r\n * Fetches and caches configuration from the Remote Config service.\r\n * @param remoteConfig - The {@link RemoteConfig} instance.\r\n * @public\r\n */\r\nasync function fetchConfig(remoteConfig) {\r\n    const rc = getModularInstance(remoteConfig);\r\n    // Aborts the request after the given timeout, causing the fetch call to\r\n    // reject with an `AbortError`.\r\n    //\r\n    // <p>Aborting after the request completes is a no-op, so we don't need a\r\n    // corresponding `clearTimeout`.\r\n    //\r\n    // Locating abort logic here because:\r\n    // * it uses a developer setting (timeout)\r\n    // * it applies to all retries (like curl's max-time arg)\r\n    // * it is consistent with the Fetch API's signal input\r\n    const abortSignal = new RemoteConfigAbortSignal();\r\n    setTimeout(async () => {\r\n        // Note a very low delay, eg < 10ms, can elapse before listeners are initialized.\r\n        abortSignal.abort();\r\n    }, rc.settings.fetchTimeoutMillis);\r\n    // Catches *all* errors thrown by client so status can be set consistently.\r\n    try {\r\n        await rc._client.fetch({\r\n            cacheMaxAgeMillis: rc.settings.minimumFetchIntervalMillis,\r\n            signal: abortSignal\r\n        });\r\n        await rc._storageCache.setLastFetchStatus('success');\r\n    }\r\n    catch (e) {\r\n        const lastFetchStatus = hasErrorCode(e, \"fetch-throttle\" /* ErrorCode.FETCH_THROTTLE */)\r\n            ? 'throttle'\r\n            : 'failure';\r\n        await rc._storageCache.setLastFetchStatus(lastFetchStatus);\r\n        throw e;\r\n    }\r\n}\r\n/**\r\n * Gets all config.\r\n *\r\n * @param remoteConfig - The {@link RemoteConfig} instance.\r\n * @returns All config.\r\n *\r\n * @public\r\n */\r\nfunction getAll(remoteConfig) {\r\n    const rc = getModularInstance(remoteConfig);\r\n    return getAllKeys(rc._storageCache.getActiveConfig(), rc.defaultConfig).reduce((allConfigs, key) => {\r\n        allConfigs[key] = getValue(remoteConfig, key);\r\n        return allConfigs;\r\n    }, {});\r\n}\r\n/**\r\n * Gets the value for the given key as a boolean.\r\n *\r\n * Convenience method for calling <code>remoteConfig.getValue(key).asBoolean()</code>.\r\n *\r\n * @param remoteConfig - The {@link RemoteConfig} instance.\r\n * @param key - The name of the parameter.\r\n *\r\n * @returns The value for the given key as a boolean.\r\n * @public\r\n */\r\nfunction getBoolean(remoteConfig, key) {\r\n    return getValue(getModularInstance(remoteConfig), key).asBoolean();\r\n}\r\n/**\r\n * Gets the value for the given key as a number.\r\n *\r\n * Convenience method for calling <code>remoteConfig.getValue(key).asNumber()</code>.\r\n *\r\n * @param remoteConfig - The {@link RemoteConfig} instance.\r\n * @param key - The name of the parameter.\r\n *\r\n * @returns The value for the given key as a number.\r\n *\r\n * @public\r\n */\r\nfunction getNumber(remoteConfig, key) {\r\n    return getValue(getModularInstance(remoteConfig), key).asNumber();\r\n}\r\n/**\r\n * Gets the value for the given key as a string.\r\n * Convenience method for calling <code>remoteConfig.getValue(key).asString()</code>.\r\n *\r\n * @param remoteConfig - The {@link RemoteConfig} instance.\r\n * @param key - The name of the parameter.\r\n *\r\n * @returns The value for the given key as a string.\r\n *\r\n * @public\r\n */\r\nfunction getString(remoteConfig, key) {\r\n    return getValue(getModularInstance(remoteConfig), key).asString();\r\n}\r\n/**\r\n * Gets the {@link Value} for the given key.\r\n *\r\n * @param remoteConfig - The {@link RemoteConfig} instance.\r\n * @param key - The name of the parameter.\r\n *\r\n * @returns The value for the given key.\r\n *\r\n * @public\r\n */\r\nfunction getValue(remoteConfig, key) {\r\n    const rc = getModularInstance(remoteConfig);\r\n    if (!rc._isInitializationComplete) {\r\n        rc._logger.debug(`A value was requested for key \"${key}\" before SDK initialization completed.` +\r\n            ' Await on ensureInitialized if the intent was to get a previously activated value.');\r\n    }\r\n    const activeConfig = rc._storageCache.getActiveConfig();\r\n    if (activeConfig && activeConfig[key] !== undefined) {\r\n        return new Value('remote', activeConfig[key]);\r\n    }\r\n    else if (rc.defaultConfig && rc.defaultConfig[key] !== undefined) {\r\n        return new Value('default', String(rc.defaultConfig[key]));\r\n    }\r\n    rc._logger.debug(`Returning static value for key \"${key}\".` +\r\n        ' Define a default or remote value if this is unintentional.');\r\n    return new Value('static');\r\n}\r\n/**\r\n * Defines the log level to use.\r\n *\r\n * @param remoteConfig - The {@link RemoteConfig} instance.\r\n * @param logLevel - The log level to set.\r\n *\r\n * @public\r\n */\r\nfunction setLogLevel(remoteConfig, logLevel) {\r\n    const rc = getModularInstance(remoteConfig);\r\n    switch (logLevel) {\r\n        case 'debug':\r\n            rc._logger.logLevel = LogLevel.DEBUG;\r\n            break;\r\n        case 'silent':\r\n            rc._logger.logLevel = LogLevel.SILENT;\r\n            break;\r\n        default:\r\n            rc._logger.logLevel = LogLevel.ERROR;\r\n    }\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    return Object.keys(Object.assign(Object.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 * 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\nclass CachingClient {\r\n    constructor(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    isCachedDataFresh(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        const cacheAgeMillis = Date.now() - lastSuccessfulFetchTimestampMillis;\r\n        const 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    async fetch(request) {\r\n        // Reads from persisted storage to avoid cache miss if callers don't wait on initialization.\r\n        const [lastSuccessfulFetchTimestampMillis, lastSuccessfulFetchResponse] = await Promise.all([\r\n            this.storage.getLastSuccessfulFetchTimestampMillis(),\r\n            this.storage.getLastSuccessfulFetchResponse()\r\n        ]);\r\n        // Exits early on cache hit.\r\n        if (lastSuccessfulFetchResponse &&\r\n            this.isCachedDataFresh(request.cacheMaxAgeMillis, lastSuccessfulFetchTimestampMillis)) {\r\n            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        // Falls back to service on cache miss.\r\n        const response = await this.client.fetch(request);\r\n        // Fetch throws for non-success responses, so success is guaranteed here.\r\n        const 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        await Promise.all(storageOperations);\r\n        return response;\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 * 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 = 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\nclass RestClient {\r\n    constructor(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    async fetch(request) {\r\n        const [installationId, installationToken] = await Promise.all([\r\n            this.firebaseInstallations.getId(),\r\n            this.firebaseInstallations.getToken()\r\n        ]);\r\n        const urlBase = window.FIREBASE_REMOTE_CONFIG_URL_BASE ||\r\n            'https://firebaseremoteconfig.googleapis.com';\r\n        const url = `${urlBase}/v1/projects/${this.projectId}/namespaces/${this.namespace}:fetch?key=${this.apiKey}`;\r\n        const 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        const 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        const options = {\r\n            method: 'POST',\r\n            headers,\r\n            body: JSON.stringify(requestBody)\r\n        };\r\n        // This logic isn't REST-specific, but shimming abort logic isn't worth another decorator.\r\n        const fetchPromise = fetch(url, options);\r\n        const timeoutPromise = new Promise((_resolve, reject) => {\r\n            // Maps async event listener to Promise API.\r\n            request.signal.addEventListener(() => {\r\n                // Emulates https://heycam.github.io/webidl/#aborterror\r\n                const error = new Error('The operation was aborted.');\r\n                error.name = 'AbortError';\r\n                reject(error);\r\n            });\r\n        });\r\n        let response;\r\n        try {\r\n            await Promise.race([fetchPromise, timeoutPromise]);\r\n            response = await fetchPromise;\r\n        }\r\n        catch (originalError) {\r\n            let errorCode = \"fetch-client-network\" /* ErrorCode.FETCH_NETWORK */;\r\n            if ((originalError === null || originalError === void 0 ? void 0 : originalError.name) === 'AbortError') {\r\n                errorCode = \"fetch-timeout\" /* ErrorCode.FETCH_TIMEOUT */;\r\n            }\r\n            throw ERROR_FACTORY.create(errorCode, {\r\n                originalErrorMessage: originalError === null || originalError === void 0 ? void 0 : originalError.message\r\n            });\r\n        }\r\n        let status = response.status;\r\n        // Normalizes nullable header to optional.\r\n        const responseEtag = response.headers.get('ETag') || undefined;\r\n        let config;\r\n        let state;\r\n        // JSON parsing throws SyntaxError if the response body isn't a JSON string.\r\n        // Requesting application/json and checking for a 200 ensures there's JSON data.\r\n        if (response.status === 200) {\r\n            let responseBody;\r\n            try {\r\n                responseBody = await response.json();\r\n            }\r\n            catch (originalError) {\r\n                throw ERROR_FACTORY.create(\"fetch-client-parse\" /* ErrorCode.FETCH_PARSE */, {\r\n                    originalErrorMessage: originalError === null || originalError === void 0 ? void 0 : originalError.message\r\n                });\r\n            }\r\n            config = responseBody['entries'];\r\n            state = responseBody['state'];\r\n        }\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\" /* ErrorCode.FETCH_STATUS */, {\r\n                httpStatus: status\r\n            });\r\n        }\r\n        return { status, eTag: responseEtag, config };\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 * 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((resolve, reject) => {\r\n        // Derives backoff from given end time, normalizing negative numbers to zero.\r\n        const backoffMillis = Math.max(throttleEndTimeMillis - Date.now(), 0);\r\n        const timeout = setTimeout(resolve, backoffMillis);\r\n        // Adds listener, rather than sets onabort, because signal is a shared object.\r\n        signal.addEventListener(() => {\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\" /* ErrorCode.FETCH_THROTTLE */, {\r\n                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 FirebaseError) || !e.customData) {\r\n        return false;\r\n    }\r\n    // Uses string index defined by ErrorData, which FirebaseError implements.\r\n    const httpStatus = Number(e.customData['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\nclass RetryingClient {\r\n    constructor(client, storage) {\r\n        this.client = client;\r\n        this.storage = storage;\r\n    }\r\n    async fetch(request) {\r\n        const throttleMetadata = (await this.storage.getThrottleMetadata()) || {\r\n            backoffCount: 0,\r\n            throttleEndTimeMillis: Date.now()\r\n        };\r\n        return this.attemptFetch(request, throttleMetadata);\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    async attemptFetch(request, { throttleEndTimeMillis, backoffCount }) {\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        await setAbortableTimeout(request.signal, throttleEndTimeMillis);\r\n        try {\r\n            const response = await this.client.fetch(request);\r\n            // Note the SDK only clears throttle state if response is success or non-retriable.\r\n            await this.storage.deleteThrottleMetadata();\r\n            return response;\r\n        }\r\n        catch (e) {\r\n            if (!isRetriableError(e)) {\r\n                throw e;\r\n            }\r\n            // Increments backoff state.\r\n            const throttleMetadata = {\r\n                throttleEndTimeMillis: Date.now() + calculateBackoffMillis(backoffCount),\r\n                backoffCount: backoffCount + 1\r\n            };\r\n            // Persists state.\r\n            await this.storage.setThrottleMetadata(throttleMetadata);\r\n            return this.attemptFetch(request, throttleMetadata);\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\nconst DEFAULT_FETCH_TIMEOUT_MILLIS = 60 * 1000; // One minute\r\nconst 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\nclass RemoteConfig {\r\n    constructor(\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    /**\r\n     * @internal\r\n     */\r\n    _client, \r\n    /**\r\n     * @internal\r\n     */\r\n    _storageCache, \r\n    /**\r\n     * @internal\r\n     */\r\n    _storage, \r\n    /**\r\n     * @internal\r\n     */\r\n    _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        /**\r\n         * Tracks completion of initialization promise.\r\n         * @internal\r\n         */\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    get fetchTimeMillis() {\r\n        return this._storageCache.getLastSuccessfulFetchTimestampMillis() || -1;\r\n    }\r\n    get lastFetchStatus() {\r\n        return this._storageCache.getLastFetchStatus() || 'no-fetch-yet';\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 * Converts an error event associated with a {@link IDBRequest} to a {@link FirebaseError}.\r\n */\r\nfunction toFirebaseError(event, errorCode) {\r\n    const originalError = event.target.error || undefined;\r\n    return ERROR_FACTORY.create(errorCode, {\r\n        originalErrorMessage: originalError && (originalError === null || originalError === void 0 ? void 0 : 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\nconst APP_NAMESPACE_STORE = 'app_namespace_store';\r\nconst DB_NAME = 'firebase_remote_config';\r\nconst DB_VERSION = 1;\r\n// Visible for testing.\r\nfunction openDatabase() {\r\n    return new Promise((resolve, reject) => {\r\n        try {\r\n            const request = indexedDB.open(DB_NAME, DB_VERSION);\r\n            request.onerror = event => {\r\n                reject(toFirebaseError(event, \"storage-open\" /* ErrorCode.STORAGE_OPEN */));\r\n            };\r\n            request.onsuccess = event => {\r\n                resolve(event.target.result);\r\n            };\r\n            request.onupgradeneeded = event => {\r\n                const 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        catch (error) {\r\n            reject(ERROR_FACTORY.create(\"storage-open\" /* ErrorCode.STORAGE_OPEN */, {\r\n                originalErrorMessage: error === null || error === void 0 ? void 0 : error.message\r\n            }));\r\n        }\r\n    });\r\n}\r\n/**\r\n * Abstracts data persistence.\r\n */\r\nclass Storage {\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    constructor(appId, appName, namespace, 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    getLastFetchStatus() {\r\n        return this.get('last_fetch_status');\r\n    }\r\n    setLastFetchStatus(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    getLastSuccessfulFetchTimestampMillis() {\r\n        return this.get('last_successful_fetch_timestamp_millis');\r\n    }\r\n    setLastSuccessfulFetchTimestampMillis(timestamp) {\r\n        return this.set('last_successful_fetch_timestamp_millis', timestamp);\r\n    }\r\n    getLastSuccessfulFetchResponse() {\r\n        return this.get('last_successful_fetch_response');\r\n    }\r\n    setLastSuccessfulFetchResponse(response) {\r\n        return this.set('last_successful_fetch_response', response);\r\n    }\r\n    getActiveConfig() {\r\n        return this.get('active_config');\r\n    }\r\n    setActiveConfig(config) {\r\n        return this.set('active_config', config);\r\n    }\r\n    getActiveConfigEtag() {\r\n        return this.get('active_config_etag');\r\n    }\r\n    setActiveConfigEtag(etag) {\r\n        return this.set('active_config_etag', etag);\r\n    }\r\n    getThrottleMetadata() {\r\n        return this.get('throttle_metadata');\r\n    }\r\n    setThrottleMetadata(metadata) {\r\n        return this.set('throttle_metadata', metadata);\r\n    }\r\n    deleteThrottleMetadata() {\r\n        return this.delete('throttle_metadata');\r\n    }\r\n    async get(key) {\r\n        const db = await this.openDbPromise;\r\n        return new Promise((resolve, reject) => {\r\n            const transaction = db.transaction([APP_NAMESPACE_STORE], 'readonly');\r\n            const objectStore = transaction.objectStore(APP_NAMESPACE_STORE);\r\n            const compositeKey = this.createCompositeKey(key);\r\n            try {\r\n                const request = objectStore.get(compositeKey);\r\n                request.onerror = event => {\r\n                    reject(toFirebaseError(event, \"storage-get\" /* ErrorCode.STORAGE_GET */));\r\n                };\r\n                request.onsuccess = event => {\r\n                    const 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\" /* ErrorCode.STORAGE_GET */, {\r\n                    originalErrorMessage: e === null || e === void 0 ? void 0 : e.message\r\n                }));\r\n            }\r\n        });\r\n    }\r\n    async set(key, value) {\r\n        const db = await this.openDbPromise;\r\n        return new Promise((resolve, reject) => {\r\n            const transaction = db.transaction([APP_NAMESPACE_STORE], 'readwrite');\r\n            const objectStore = transaction.objectStore(APP_NAMESPACE_STORE);\r\n            const compositeKey = this.createCompositeKey(key);\r\n            try {\r\n                const request = objectStore.put({\r\n                    compositeKey,\r\n                    value\r\n                });\r\n                request.onerror = (event) => {\r\n                    reject(toFirebaseError(event, \"storage-set\" /* ErrorCode.STORAGE_SET */));\r\n                };\r\n                request.onsuccess = () => {\r\n                    resolve();\r\n                };\r\n            }\r\n            catch (e) {\r\n                reject(ERROR_FACTORY.create(\"storage-set\" /* ErrorCode.STORAGE_SET */, {\r\n                    originalErrorMessage: e === null || e === void 0 ? void 0 : e.message\r\n                }));\r\n            }\r\n        });\r\n    }\r\n    async delete(key) {\r\n        const db = await this.openDbPromise;\r\n        return new Promise((resolve, reject) => {\r\n            const transaction = db.transaction([APP_NAMESPACE_STORE], 'readwrite');\r\n            const objectStore = transaction.objectStore(APP_NAMESPACE_STORE);\r\n            const compositeKey = this.createCompositeKey(key);\r\n            try {\r\n                const request = objectStore.delete(compositeKey);\r\n                request.onerror = (event) => {\r\n                    reject(toFirebaseError(event, \"storage-delete\" /* ErrorCode.STORAGE_DELETE */));\r\n                };\r\n                request.onsuccess = () => {\r\n                    resolve();\r\n                };\r\n            }\r\n            catch (e) {\r\n                reject(ERROR_FACTORY.create(\"storage-delete\" /* ErrorCode.STORAGE_DELETE */, {\r\n                    originalErrorMessage: e === null || e === void 0 ? void 0 : e.message\r\n                }));\r\n            }\r\n        });\r\n    }\r\n    // Facilitates composite key functionality (which is unsupported in IE).\r\n    createCompositeKey(key) {\r\n        return [this.appId, this.appName, this.namespace, key].join();\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 * A memory cache layer over storage to support the SDK's synchronous read requirements.\r\n */\r\nclass StorageCache {\r\n    constructor(storage) {\r\n        this.storage = storage;\r\n    }\r\n    /**\r\n     * Memory-only getters\r\n     */\r\n    getLastFetchStatus() {\r\n        return this.lastFetchStatus;\r\n    }\r\n    getLastSuccessfulFetchTimestampMillis() {\r\n        return this.lastSuccessfulFetchTimestampMillis;\r\n    }\r\n    getActiveConfig() {\r\n        return this.activeConfig;\r\n    }\r\n    /**\r\n     * Read-ahead getter\r\n     */\r\n    async loadFromStorage() {\r\n        const lastFetchStatusPromise = this.storage.getLastFetchStatus();\r\n        const lastSuccessfulFetchTimestampMillisPromise = this.storage.getLastSuccessfulFetchTimestampMillis();\r\n        const activeConfigPromise = this.storage.getActiveConfig();\r\n        // Note:\r\n        // 1. we consistently check for undefined to avoid clobbering defined values\r\n        //   in memory\r\n        // 2. we defer awaiting to improve readability, as opposed to destructuring\r\n        //   a Promise.all result, for example\r\n        const lastFetchStatus = await lastFetchStatusPromise;\r\n        if (lastFetchStatus) {\r\n            this.lastFetchStatus = lastFetchStatus;\r\n        }\r\n        const lastSuccessfulFetchTimestampMillis = await lastSuccessfulFetchTimestampMillisPromise;\r\n        if (lastSuccessfulFetchTimestampMillis) {\r\n            this.lastSuccessfulFetchTimestampMillis =\r\n                lastSuccessfulFetchTimestampMillis;\r\n        }\r\n        const activeConfig = await activeConfigPromise;\r\n        if (activeConfig) {\r\n            this.activeConfig = activeConfig;\r\n        }\r\n    }\r\n    /**\r\n     * Write-through setters\r\n     */\r\n    setLastFetchStatus(status) {\r\n        this.lastFetchStatus = status;\r\n        return this.storage.setLastFetchStatus(status);\r\n    }\r\n    setLastSuccessfulFetchTimestampMillis(timestampMillis) {\r\n        this.lastSuccessfulFetchTimestampMillis = timestampMillis;\r\n        return this.storage.setLastSuccessfulFetchTimestampMillis(timestampMillis);\r\n    }\r\n    setActiveConfig(activeConfig) {\r\n        this.activeConfig = activeConfig;\r\n        return this.storage.setActiveConfig(activeConfig);\r\n    }\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 registerRemoteConfig() {\r\n    _registerComponent(new Component(RC_COMPONENT_NAME, remoteConfigFactory, \"PUBLIC\" /* ComponentType.PUBLIC */).setMultipleInstances(true));\r\n    registerVersion(name, version);\r\n    // BUILD_TARGET will be replaced by values like esm5, esm2017, cjs5, etc during the compilation\r\n    registerVersion(name, version, 'esm2017');\r\n    function remoteConfigFactory(container, { instanceIdentifier: namespace }) {\r\n        /* Dependencies */\r\n        // getImmediate for FirebaseApp will always succeed\r\n        const app = container.getProvider('app').getImmediate();\r\n        // The following call will always succeed because rc has `import '@firebase/installations'`\r\n        const installations = container\r\n            .getProvider('installations-internal')\r\n            .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\" /* ErrorCode.REGISTRATION_WINDOW */);\r\n        }\r\n        // Guards against the SDK being used when indexedDB is not available.\r\n        if (!isIndexedDBAvailable()) {\r\n            throw ERROR_FACTORY.create(\"indexed-db-unavailable\" /* ErrorCode.INDEXED_DB_UNAVAILABLE */);\r\n        }\r\n        // Normalizes optional inputs.\r\n        const { projectId, apiKey, appId } = app.options;\r\n        if (!projectId) {\r\n            throw ERROR_FACTORY.create(\"registration-project-id\" /* ErrorCode.REGISTRATION_PROJECT_ID */);\r\n        }\r\n        if (!apiKey) {\r\n            throw ERROR_FACTORY.create(\"registration-api-key\" /* ErrorCode.REGISTRATION_API_KEY */);\r\n        }\r\n        if (!appId) {\r\n            throw ERROR_FACTORY.create(\"registration-app-id\" /* ErrorCode.REGISTRATION_APP_ID */);\r\n        }\r\n        namespace = namespace || 'firebase';\r\n        const storage = new Storage(appId, app.name, namespace);\r\n        const storageCache = new StorageCache(storage);\r\n        const logger = new 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.logLevel = LogLevel.ERROR;\r\n        const restClient = new RestClient(installations, \r\n        // Uses the JS SDK version, by which the RC package version can be deduced, if necessary.\r\n        SDK_VERSION, namespace, projectId, apiKey, appId);\r\n        const retryingClient = new RetryingClient(restClient, storage);\r\n        const cachingClient = new CachingClient(retryingClient, storage, storageCache, logger);\r\n        const remoteConfigInstance = new RemoteConfig(app, cachingClient, storageCache, storage, logger);\r\n        // Starts warming cache.\r\n        // eslint-disable-next-line @typescript-eslint/no-floating-promises\r\n        ensureInitialized(remoteConfigInstance);\r\n        return remoteConfigInstance;\r\n    }\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\n// This API is put in a separate file, so we can stub fetchConfig and activate in tests.\r\n// It's not possible to stub standalone functions from the same module.\r\n/**\r\n *\r\n * Performs fetch and activate operations, as a convenience.\r\n *\r\n * @param remoteConfig - The {@link RemoteConfig} instance.\r\n *\r\n * @returns A `Promise` which resolves to true if the current call activated the fetched configs.\r\n * If the fetched configs were already activated, the `Promise` will resolve to false.\r\n *\r\n * @public\r\n */\r\nasync function fetchAndActivate(remoteConfig) {\r\n    remoteConfig = getModularInstance(remoteConfig);\r\n    await fetchConfig(remoteConfig);\r\n    return activate(remoteConfig);\r\n}\r\n/**\r\n * This method provides two different checks:\r\n *\r\n * 1. Check if IndexedDB exists in the browser environment.\r\n * 2. Check if the current browser context allows IndexedDB `open()` calls.\r\n *\r\n * @returns A `Promise` which resolves to true if a {@link RemoteConfig} instance\r\n * can be initialized in this environment, or false if it cannot.\r\n * @public\r\n */\r\nasync function isSupported() {\r\n    if (!isIndexedDBAvailable()) {\r\n        return false;\r\n    }\r\n    try {\r\n        const isDBOpenable = await validateIndexedDBOpenable();\r\n        return isDBOpenable;\r\n    }\r\n    catch (error) {\r\n        return false;\r\n    }\r\n}\n\n/**\r\n * Firebase Remote Config\r\n *\r\n * @packageDocumentation\r\n */\r\n/** register component and version */\r\nregisterRemoteConfig();\n\nexport { activate, ensureInitialized, fetchAndActivate, fetchConfig, getAll, getBoolean, getNumber, getRemoteConfig, getString, getValue, isSupported, setLogLevel };\n//# 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