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1{"version":3,"file":"firebase-performance-standalone.js","sources":["../../node_modules/tslib/tslib.es6.js","../util/src/deepCopy.ts","../util/src/deferred.ts","../util/src/errors.ts","../util/src/obj.ts","../component/src/component.ts","../component/src/constants.ts","../component/src/provider.ts","../component/src/component_container.ts","../logger/src/logger.ts","../app/src/errors.ts","../app/src/constants.ts","../app/src/lite/firebaseAppLite.ts","../app/src/logger.ts","../app/src/firebaseNamespaceCore.ts","../app/src/platformLoggerService.ts","../app/src/registerCoreComponents.ts","../app/index.lite.ts","../app/src/lite/firebaseNamespaceLite.ts","../../node_modules/idb/lib/idb.mjs","../installations/src/util/constants.ts","../installations/src/util/errors.ts","../installations/src/api/common.ts","../installations/src/util/sleep.ts","../installations/src/helpers/buffer-to-base64-url-safe.ts","../installations/src/helpers/generate-fid.ts","../installations/src/util/get-key.ts","../installations/src/helpers/fid-changed.ts","../installations/src/helpers/idb-manager.ts","../installations/src/index.ts","../installations/src/helpers/get-installation-entry.ts","../installations/src/api/create-installation-request.ts","../installations/src/api/generate-auth-token-request.ts","../installations/src/helpers/refresh-auth-token.ts","../installations/src/functions/get-token.ts","../installations/src/api/delete-installation-request.ts","../installations/src/functions/on-id-change.ts","../installations/src/helpers/extract-app-config.ts","../installations/src/functions/get-id.ts","../installations/src/functions/delete-installation.ts","../performance/src/services/api_service.ts","../performance/src/services/settings_service.ts","../performance/src/constants.ts","../performance/src/utils/errors.ts","../performance/src/services/iid_service.ts","../performance/src/utils/attributes_utils.ts","../performance/src/utils/console_logger.ts","../performance/src/services/remote_config_service.ts","../performance/src/services/initialization_service.ts","../performance/src/services/transport_service.ts","../performance/src/services/perf_logger.ts","../performance/src/utils/metric_utils.ts","../performance/src/resources/trace.ts","../performance/src/resources/network_request.ts","../performance/src/services/oob_resources_service.ts","../performance/src/controllers/perf.ts","../performance/index.ts","src/index.perf.ts"],"sourcesContent":["/*! *****************************************************************************\r\nCopyright (c) Microsoft Corporation. All rights reserved.\r\nLicensed under the Apache License, Version 2.0 (the \"License\"); you may not use\r\nthis file except in compliance with the License. You may obtain a copy of the\r\nLicense at http://www.apache.org/licenses/LICENSE-2.0\r\n\r\nTHIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\r\nKIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED\r\nWARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,\r\nMERCHANTABLITY OR NON-INFRINGEMENT.\r\n\r\nSee the Apache Version 2.0 License for specific language governing permissions\r\nand limitations under the License.\r\n***************************************************************************** */\r\n/* global Reflect, Promise */\r\n\r\nvar extendStatics = function(d, b) {\r\n extendStatics = Object.setPrototypeOf ||\r\n ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\r\n function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };\r\n return extendStatics(d, b);\r\n};\r\n\r\nexport function __extends(d, b) {\r\n extendStatics(d, b);\r\n function __() { this.constructor = d; }\r\n d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\r\n}\r\n\r\nexport var __assign = function() {\r\n __assign = Object.assign || function __assign(t) {\r\n for (var s, i = 1, n = arguments.length; i < n; i++) {\r\n s = arguments[i];\r\n for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];\r\n }\r\n return t;\r\n }\r\n return __assign.apply(this, arguments);\r\n}\r\n\r\nexport function __rest(s, e) {\r\n var t = {};\r\n for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)\r\n t[p] = s[p];\r\n if (s != null && typeof Object.getOwnPropertySymbols === \"function\")\r\n for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {\r\n if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))\r\n t[p[i]] = s[p[i]];\r\n }\r\n return t;\r\n}\r\n\r\nexport function __decorate(decorators, target, key, desc) {\r\n var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;\r\n if (typeof Reflect === \"object\" && typeof Reflect.decorate === \"function\") r = Reflect.decorate(decorators, target, key, desc);\r\n else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;\r\n return c > 3 && r && Object.defineProperty(target, key, r), r;\r\n}\r\n\r\nexport function __param(paramIndex, decorator) {\r\n return function (target, key) { decorator(target, key, paramIndex); }\r\n}\r\n\r\nexport function __metadata(metadataKey, metadataValue) {\r\n if (typeof Reflect === \"object\" && typeof Reflect.metadata === \"function\") return Reflect.metadata(metadataKey, metadataValue);\r\n}\r\n\r\nexport function __awaiter(thisArg, _arguments, P, generator) {\r\n function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }\r\n return new (P || (P = Promise))(function (resolve, reject) {\r\n function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }\r\n function rejected(value) { try { step(generator[\"throw\"](value)); } catch (e) { reject(e); } }\r\n function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }\r\n step((generator = generator.apply(thisArg, _arguments || [])).next());\r\n });\r\n}\r\n\r\nexport function __generator(thisArg, body) {\r\n var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;\r\n return g = { next: verb(0), \"throw\": verb(1), \"return\": verb(2) }, typeof Symbol === \"function\" && (g[Symbol.iterator] = function() { return this; }), g;\r\n function verb(n) { return function (v) { return step([n, v]); }; }\r\n function step(op) {\r\n if (f) throw new TypeError(\"Generator is already executing.\");\r\n while (_) try {\r\n if (f = 1, y && (t = op[0] & 2 ? y[\"return\"] : op[0] ? y[\"throw\"] || ((t = y[\"return\"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;\r\n if (y = 0, t) op = [op[0] & 2, t.value];\r\n switch (op[0]) {\r\n case 0: case 1: t = op; break;\r\n case 4: _.label++; return { value: op[1], done: false };\r\n case 5: _.label++; y = op[1]; op = [0]; continue;\r\n case 7: op = _.ops.pop(); _.trys.pop(); continue;\r\n default:\r\n if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }\r\n if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }\r\n if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }\r\n if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }\r\n if (t[2]) _.ops.pop();\r\n _.trys.pop(); continue;\r\n }\r\n op = body.call(thisArg, _);\r\n } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }\r\n if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };\r\n }\r\n}\r\n\r\nexport function __exportStar(m, exports) {\r\n for (var p in m) if (!exports.hasOwnProperty(p)) exports[p] = m[p];\r\n}\r\n\r\nexport function __values(o) {\r\n var s = typeof Symbol === \"function\" && Symbol.iterator, m = s && o[s], i = 0;\r\n if (m) return m.call(o);\r\n if (o && typeof o.length === \"number\") return {\r\n next: function () {\r\n if (o && i >= o.length) o = void 0;\r\n return { value: o && o[i++], done: !o };\r\n }\r\n };\r\n throw new TypeError(s ? \"Object is not iterable.\" : \"Symbol.iterator is not defined.\");\r\n}\r\n\r\nexport function __read(o, n) {\r\n var m = typeof Symbol === \"function\" && o[Symbol.iterator];\r\n if (!m) return o;\r\n var i = m.call(o), r, ar = [], e;\r\n try {\r\n while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);\r\n }\r\n catch (error) { e = { error: error }; }\r\n finally {\r\n try {\r\n if (r && !r.done && (m = i[\"return\"])) m.call(i);\r\n }\r\n finally { if (e) throw e.error; }\r\n }\r\n return ar;\r\n}\r\n\r\nexport function __spread() {\r\n for (var ar = [], i = 0; i < arguments.length; i++)\r\n ar = ar.concat(__read(arguments[i]));\r\n return ar;\r\n}\r\n\r\nexport function __spreadArrays() {\r\n for (var s = 0, i = 0, il = arguments.length; i < il; i++) s += arguments[i].length;\r\n for (var r = Array(s), k = 0, i = 0; i < il; i++)\r\n for (var a = arguments[i], j = 0, jl = a.length; j < jl; j++, k++)\r\n r[k] = a[j];\r\n return r;\r\n};\r\n\r\nexport function __await(v) {\r\n return this instanceof __await ? (this.v = v, this) : new __await(v);\r\n}\r\n\r\nexport function __asyncGenerator(thisArg, _arguments, generator) {\r\n if (!Symbol.asyncIterator) throw new TypeError(\"Symbol.asyncIterator is not defined.\");\r\n var g = generator.apply(thisArg, _arguments || []), i, q = [];\r\n return i = {}, verb(\"next\"), verb(\"throw\"), verb(\"return\"), i[Symbol.asyncIterator] = function () { return this; }, i;\r\n function verb(n) { if (g[n]) i[n] = function (v) { return new Promise(function (a, b) { q.push([n, v, a, b]) > 1 || resume(n, v); }); }; }\r\n function resume(n, v) { try { step(g[n](v)); } catch (e) { settle(q[0][3], e); } }\r\n function step(r) { r.value instanceof __await ? Promise.resolve(r.value.v).then(fulfill, reject) : settle(q[0][2], r); }\r\n function fulfill(value) { resume(\"next\", value); }\r\n function reject(value) { resume(\"throw\", value); }\r\n function settle(f, v) { if (f(v), q.shift(), q.length) resume(q[0][0], q[0][1]); }\r\n}\r\n\r\nexport function __asyncDelegator(o) {\r\n var i, p;\r\n return i = {}, verb(\"next\"), verb(\"throw\", function (e) { throw e; }), verb(\"return\"), i[Symbol.iterator] = function () { return this; }, i;\r\n function verb(n, f) { i[n] = o[n] ? function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === \"return\" } : f ? f(v) : v; } : f; }\r\n}\r\n\r\nexport function __asyncValues(o) {\r\n if (!Symbol.asyncIterator) throw new TypeError(\"Symbol.asyncIterator is not defined.\");\r\n var m = o[Symbol.asyncIterator], i;\r\n return m ? m.call(o) : (o = typeof __values === \"function\" ? __values(o) : o[Symbol.iterator](), i = {}, verb(\"next\"), verb(\"throw\"), verb(\"return\"), i[Symbol.asyncIterator] = function () { return this; }, i);\r\n function verb(n) { i[n] = o[n] && function (v) { return new Promise(function (resolve, reject) { v = o[n](v), settle(resolve, reject, v.done, v.value); }); }; }\r\n function settle(resolve, reject, d, v) { Promise.resolve(v).then(function(v) { resolve({ value: v, done: d }); }, reject); }\r\n}\r\n\r\nexport function __makeTemplateObject(cooked, raw) {\r\n if (Object.defineProperty) { Object.defineProperty(cooked, \"raw\", { value: raw }); } else { cooked.raw = raw; }\r\n return cooked;\r\n};\r\n\r\nexport function __importStar(mod) {\r\n if (mod && mod.__esModule) return mod;\r\n var result = {};\r\n if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];\r\n result.default = mod;\r\n return result;\r\n}\r\n\r\nexport function __importDefault(mod) {\r\n return (mod && mod.__esModule) ? mod : { default: mod };\r\n}\r\n\r\nexport function __classPrivateFieldGet(receiver, privateMap) {\r\n if (!privateMap.has(receiver)) {\r\n throw new TypeError(\"attempted to get private field on non-instance\");\r\n }\r\n return privateMap.get(receiver);\r\n}\r\n\r\nexport function __classPrivateFieldSet(receiver, privateMap, value) {\r\n if (!privateMap.has(receiver)) {\r\n throw new TypeError(\"attempted to set private field on non-instance\");\r\n }\r\n privateMap.set(receiver, value);\r\n return value;\r\n}\r\n","/**\n * @license\n * Copyright 2017 Google Inc.\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\n/**\n * Do a deep-copy of basic JavaScript Objects or Arrays.\n */\nexport function deepCopy<T>(value: T): T {\n return deepExtend(undefined, value) as T;\n}\n\n/**\n * Copy properties from source to target (recursively allows extension\n * of Objects and Arrays). Scalar values in the target are over-written.\n * If target is undefined, an object of the appropriate type will be created\n * (and returned).\n *\n * We recursively copy all child properties of plain Objects in the source- so\n * that namespace- like dictionaries are merged.\n *\n * Note that the target can be a function, in which case the properties in\n * the source Object are copied onto it as static properties of the Function.\n */\nexport function deepExtend(target: unknown, source: unknown): unknown {\n if (!(source instanceof Object)) {\n return source;\n }\n\n switch (source.constructor) {\n case Date:\n // Treat Dates like scalars; if the target date object had any child\n // properties - they will be lost!\n const dateValue = source as Date;\n return new Date(dateValue.getTime());\n\n case Object:\n if (target === undefined) {\n target = {};\n }\n break;\n case Array:\n // Always copy the array source and overwrite the target.\n target = [];\n break;\n\n default:\n // Not a plain Object - treat it as a scalar.\n return source;\n }\n\n for (const prop in source) {\n if (!source.hasOwnProperty(prop)) {\n continue;\n }\n (target as { [key: string]: unknown })[prop] = deepExtend(\n (target as { [key: string]: unknown })[prop],\n (source as { [key: string]: unknown })[prop]\n );\n }\n\n return target;\n}\n","/**\n * @license\n * Copyright 2017 Google Inc.\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nexport class Deferred<R> {\n promise: Promise<R>;\n reject: (value?: unknown) => void = () => {};\n resolve: (value?: unknown) => void = () => {};\n constructor() {\n this.promise = new Promise((resolve, reject) => {\n this.resolve = resolve as (value?: unknown) => void;\n this.reject = reject as (value?: unknown) => void;\n });\n }\n\n /**\n * Our API internals are not promiseified and cannot because our callback APIs have subtle expectations around\n * invoking promises inline, which Promises are forbidden to do. This method accepts an optional node-style callback\n * and returns a node-style callback which will resolve or reject the Deferred's promise.\n */\n wrapCallback(\n callback?: (error?: unknown, value?: unknown) => void\n ): (error: unknown, value?: unknown) => void {\n return (error, value?) => {\n if (error) {\n this.reject(error);\n } else {\n this.resolve(value);\n }\n if (typeof callback === 'function') {\n // Attaching noop handler just in case developer wasn't expecting\n // promises\n this.promise.catch(() => {});\n\n // Some of our callbacks don't expect a value and our own tests\n // assert that the parameter length is 1\n if (callback.length === 1) {\n callback(error);\n } else {\n callback(error, value);\n }\n }\n };\n }\n}\n","/**\n * @license\n * Copyright 2017 Google Inc.\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/**\n * @fileoverview Standardized Firebase Error.\n *\n * Usage:\n *\n * // Typescript string literals for type-safe codes\n * type Err =\n * 'unknown' |\n * 'object-not-found'\n * ;\n *\n * // Closure enum for type-safe error codes\n * // at-enum {string}\n * var Err = {\n * UNKNOWN: 'unknown',\n * OBJECT_NOT_FOUND: 'object-not-found',\n * }\n *\n * let errors: Map<Err, string> = {\n * 'generic-error': \"Unknown error\",\n * 'file-not-found': \"Could not find file: {$file}\",\n * };\n *\n * // Type-safe function - must pass a valid error code as param.\n * let error = new ErrorFactory<Err>('service', 'Service', errors);\n *\n * ...\n * throw error.create(Err.GENERIC);\n * ...\n * throw error.create(Err.FILE_NOT_FOUND, {'file': fileName});\n * ...\n * // Service: Could not file file: foo.txt (service/file-not-found).\n *\n * catch (e) {\n * assert(e.message === \"Could not find file: foo.txt.\");\n * if (e.code === 'service/file-not-found') {\n * console.log(\"Could not read file: \" + e['file']);\n * }\n * }\n */\n\nexport type ErrorMap<ErrorCode extends string> = {\n readonly [K in ErrorCode]: string;\n};\n\nconst ERROR_NAME = 'FirebaseError';\n\nexport interface StringLike {\n toString(): string;\n}\n\nexport interface ErrorData {\n [key: string]: StringLike | undefined;\n}\n\nexport interface FirebaseError extends Error, ErrorData {\n // Unique code for error - format is service/error-code-string.\n readonly code: string;\n\n // Developer-friendly error message.\n readonly message: string;\n\n // Always 'FirebaseError'.\n readonly name: typeof ERROR_NAME;\n\n // Where available - stack backtrace in a string.\n readonly stack?: string;\n}\n\n// Based on code from:\n// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Error#Custom_Error_Types\nexport class FirebaseError extends Error {\n readonly name = ERROR_NAME;\n\n constructor(readonly code: string, message: string) {\n super(message);\n\n // Fix For ES5\n // https://github.com/Microsoft/TypeScript-wiki/blob/master/Breaking-Changes.md#extending-built-ins-like-error-array-and-map-may-no-longer-work\n Object.setPrototypeOf(this, FirebaseError.prototype);\n\n // Maintains proper stack trace for where our error was thrown.\n // Only available on V8.\n if (Error.captureStackTrace) {\n Error.captureStackTrace(this, ErrorFactory.prototype.create);\n }\n }\n}\n\nexport class ErrorFactory<\n ErrorCode extends string,\n ErrorParams extends { readonly [K in ErrorCode]?: ErrorData } = {}\n> {\n constructor(\n private readonly service: string,\n private readonly serviceName: string,\n private readonly errors: ErrorMap<ErrorCode>\n ) {}\n\n create<K extends ErrorCode>(\n code: K,\n ...data: K extends keyof ErrorParams ? [ErrorParams[K]] : []\n ): FirebaseError {\n const customData = (data[0] as ErrorData) || {};\n const fullCode = `${this.service}/${code}`;\n const template = this.errors[code];\n\n const message = template ? replaceTemplate(template, customData) : 'Error';\n // Service Name: Error message (service/code).\n const fullMessage = `${this.serviceName}: ${message} (${fullCode}).`;\n\n const error = new FirebaseError(fullCode, fullMessage);\n\n // Keys with an underscore at the end of their name are not included in\n // error.data for some reason.\n // TODO: Replace with Object.entries when lib is updated to es2017.\n for (const key of Object.keys(customData)) {\n if (key.slice(-1) !== '_') {\n if (key in error) {\n console.warn(\n `Overwriting FirebaseError base field \"${key}\" can cause unexpected behavior.`\n );\n }\n error[key] = customData[key];\n }\n }\n\n return error;\n }\n}\n\nfunction replaceTemplate(template: string, data: ErrorData): string {\n return template.replace(PATTERN, (_, key) => {\n const value = data[key];\n return value != null ? value.toString() : `<${key}?>`;\n });\n}\n\nconst PATTERN = /\\{\\$([^}]+)}/g;\n","/**\n * @license\n * Copyright 2017 Google Inc.\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nexport function contains<T extends object>(obj: T, key: string): boolean {\n return Object.prototype.hasOwnProperty.call(obj, key);\n}\n\nexport function safeGet<T extends object, K extends keyof T>(\n obj: T,\n key: K\n): T[K] | undefined {\n if (Object.prototype.hasOwnProperty.call(obj, key)) {\n return obj[key];\n } else {\n return undefined;\n }\n}\n\nexport function isEmpty(obj: object): obj is {} {\n for (const key in obj) {\n if (Object.prototype.hasOwnProperty.call(obj, key)) {\n return false;\n }\n }\n return true;\n}\n\nexport function map<K extends string, V, U>(\n obj: { [key in K]: V },\n fn: (value: V, key: K, obj: { [key in K]: V }) => U,\n contextObj?: unknown\n): { [key in K]: U } {\n const res: Partial<{ [key in K]: U }> = {};\n for (const key in obj) {\n if (Object.prototype.hasOwnProperty.call(obj, key)) {\n res[key] = fn.call(contextObj, obj[key], key, obj);\n }\n }\n return res as { [key in K]: U };\n}\n","/**\n * @license\n * Copyright 2019 Google Inc.\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\nimport {\n InstantiationMode,\n InstanceFactory,\n ComponentType,\n Dictionary,\n Name\n} from './types';\n\n/**\n * Component for service name T, e.g. `auth`, `auth-internal`\n */\nexport class Component<T extends Name = Name> {\n multipleInstances = false;\n /**\n * Properties to be added to the service namespace\n */\n serviceProps: Dictionary = {};\n\n instantiationMode = InstantiationMode.LAZY;\n\n /**\n *\n * @param name The public service name, e.g. app, auth, firestore, database\n * @param instanceFactory Service factory responsible for creating the public interface\n * @param type whether the service provided by the component is public or private\n */\n constructor(\n readonly name: T,\n readonly instanceFactory: InstanceFactory<T>,\n readonly type: ComponentType\n ) {}\n\n setInstantiationMode(mode: InstantiationMode): this {\n this.instantiationMode = mode;\n return this;\n }\n\n setMultipleInstances(multipleInstances: boolean): this {\n this.multipleInstances = multipleInstances;\n return this;\n }\n\n setServiceProps(props: Dictionary): this {\n this.serviceProps = props;\n return this;\n }\n}\n","/**\n * @license\n * Copyright 2019 Google Inc.\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nexport const DEFAULT_ENTRY_NAME = '[DEFAULT]';\n","/**\n * @license\n * Copyright 2019 Google Inc.\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { Deferred } from '@firebase/util';\nimport { ComponentContainer } from './component_container';\nimport { DEFAULT_ENTRY_NAME } from './constants';\nimport { InstantiationMode, Name, NameServiceMapping } from './types';\nimport { Component } from './component';\n\n/**\n * Provider for instance for service name T, e.g. 'auth', 'auth-internal'\n * NameServiceMapping[T] is an alias for the type of the instance\n */\nexport class Provider<T extends Name> {\n private component: Component<T> | null = null;\n private readonly instances: Map<string, NameServiceMapping[T]> = new Map();\n private readonly instancesDeferred: Map<\n string,\n Deferred<NameServiceMapping[T]>\n > = new Map();\n\n constructor(\n private readonly name: T,\n private readonly container: ComponentContainer\n ) {}\n\n /**\n * @param identifier A provider can provide mulitple instances of a service\n * if this.component.multipleInstances is true.\n */\n get(identifier: string = DEFAULT_ENTRY_NAME): Promise<NameServiceMapping[T]> {\n // if multipleInstances is not supported, use the default name\n const normalizedIdentifier = this.normalizeInstanceIdentifier(identifier);\n\n if (!this.instancesDeferred.has(normalizedIdentifier)) {\n const deferred = new Deferred<NameServiceMapping[T]>();\n this.instancesDeferred.set(normalizedIdentifier, deferred);\n // If the service instance is available, resolve the promise with it immediately\n try {\n const instance = this.getOrInitializeService(normalizedIdentifier);\n if (instance) {\n deferred.resolve(instance);\n }\n } catch (e) {\n // when the instance factory throws an exception during get(), it should not cause\n // a fatal error. We just return the unresolved promise in this case.\n }\n }\n\n return this.instancesDeferred.get(normalizedIdentifier)!.promise;\n }\n\n /**\n *\n * @param options.identifier A provider can provide mulitple instances of a service\n * if this.component.multipleInstances is true.\n * @param options.optional If optional is false or not provided, the method throws an error when\n * the service is not immediately available.\n * If optional is true, the method returns null if the service is not immediately available.\n */\n getImmediate(options: {\n identifier?: string;\n optional: true;\n }): NameServiceMapping[T] | null;\n getImmediate(options?: {\n identifier?: string;\n optional?: false;\n }): NameServiceMapping[T];\n getImmediate(options?: {\n identifier?: string;\n optional?: boolean;\n }): NameServiceMapping[T] | null {\n const { identifier, optional } = {\n identifier: DEFAULT_ENTRY_NAME,\n optional: false,\n ...options\n };\n // if multipleInstances is not supported, use the default name\n const normalizedIdentifier = this.normalizeInstanceIdentifier(identifier);\n try {\n const instance = this.getOrInitializeService(normalizedIdentifier);\n\n if (!instance) {\n if (optional) {\n return null;\n }\n throw Error(`Service ${this.name} is not available`);\n }\n return instance;\n } catch (e) {\n if (optional) {\n return null;\n } else {\n throw e;\n }\n }\n }\n\n getComponent(): Component<T> | null {\n return this.component;\n }\n\n setComponent(component: Component<T>): void {\n if (component.name !== this.name) {\n throw Error(\n `Mismatching Component ${component.name} for Provider ${this.name}.`\n );\n }\n\n if (this.component) {\n throw Error(`Component for ${this.name} has already been provided`);\n }\n\n this.component = component;\n // if the service is eager, initialize the default instance\n if (isComponentEager(component)) {\n try {\n this.getOrInitializeService(DEFAULT_ENTRY_NAME);\n } catch (e) {\n // when the instance factory for an eager Component throws an exception during the eager\n // initialization, it should not cause a fatal error.\n // TODO: Investigate if we need to make it configurable, because some component may want to cause\n // a fatal error in this case?\n }\n }\n\n // Create service instances for the pending promises and resolve them\n // NOTE: if this.multipleInstances is false, only the default instance will be created\n // and all promises with resolve with it regardless of the identifier.\n for (const [\n instanceIdentifier,\n instanceDeferred\n ] of this.instancesDeferred.entries()) {\n const normalizedIdentifier = this.normalizeInstanceIdentifier(\n instanceIdentifier\n );\n\n try {\n // `getOrInitializeService()` should always return a valid instance since a component is guaranteed. use ! to make typescript happy.\n const instance = this.getOrInitializeService(normalizedIdentifier)!;\n instanceDeferred.resolve(instance);\n } catch (e) {\n // when the instance factory throws an exception, it should not cause\n // a fatal error. We just leave the promise unresolved.\n }\n }\n }\n\n clearInstance(identifier: string = DEFAULT_ENTRY_NAME): void {\n this.instancesDeferred.delete(identifier);\n this.instances.delete(identifier);\n }\n\n // app.delete() will call this method on every provider to delete the services\n // TODO: should we mark the provider as deleted?\n async delete(): Promise<void> {\n const services = Array.from(this.instances.values());\n\n await Promise.all(\n services\n .filter(service => 'INTERNAL' in service)\n // eslint-disable-next-line @typescript-eslint/no-explicit-any\n .map(service => (service as any).INTERNAL!.delete())\n );\n }\n\n isComponentSet(): boolean {\n return this.component != null;\n }\n\n private getOrInitializeService(\n identifier: string\n ): NameServiceMapping[T] | null {\n let instance = this.instances.get(identifier);\n if (!instance && this.component) {\n instance = this.component.instanceFactory(\n this.container,\n normalizeIdentifierForFactory(identifier)\n ) as NameServiceMapping[T];\n this.instances.set(identifier, instance);\n }\n\n return instance || null;\n }\n\n private normalizeInstanceIdentifier(identifier: string): string {\n if (this.component) {\n return this.component.multipleInstances ? identifier : DEFAULT_ENTRY_NAME;\n } else {\n return identifier; // assume multiple instances are supported before the component is provided.\n }\n }\n}\n\n// undefined should be passed to the service factory for the default instance\nfunction normalizeIdentifierForFactory(identifier: string): string | undefined {\n return identifier === DEFAULT_ENTRY_NAME ? undefined : identifier;\n}\n\nfunction isComponentEager(component: Component<Name>): boolean {\n return component.instantiationMode === InstantiationMode.EAGER;\n}\n","/**\n * @license\n * Copyright 2019 Google Inc.\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { Provider } from './provider';\nimport { Component } from './component';\nimport { Name } from './types';\n\n/**\n * ComponentContainer that provides Providers for service name T, e.g. `auth`, `auth-internal`\n */\nexport class ComponentContainer {\n private readonly providers = new Map<string, Provider<Name>>();\n\n constructor(private readonly name: string) {}\n\n /**\n *\n * @param component Component being added\n * @param overwrite When a component with the same name has already been registered,\n * if overwrite is true: overwrite the existing component with the new component and create a new\n * provider with the new component. It can be useful in tests where you want to use different mocks\n * for different tests.\n * if overwrite is false: throw an exception\n */\n addComponent<T extends Name>(component: Component<T>): void {\n const provider = this.getProvider(component.name);\n if (provider.isComponentSet()) {\n throw new Error(\n `Component ${component.name} has already been registered with ${this.name}`\n );\n }\n\n provider.setComponent(component);\n }\n\n addOrOverwriteComponent<T extends Name>(component: Component<T>): void {\n const provider = this.getProvider(component.name);\n if (provider.isComponentSet()) {\n // delete the existing provider from the container, so we can register the new component\n this.providers.delete(component.name);\n }\n\n this.addComponent(component);\n }\n\n /**\n * getProvider provides a type safe interface where it can only be called with a field name\n * present in NameServiceMapping interface.\n *\n * Firebase SDKs providing services should extend NameServiceMapping interface to register\n * themselves.\n */\n getProvider<T extends Name>(name: T): Provider<T> {\n if (this.providers.has(name)) {\n return this.providers.get(name) as Provider<T>;\n }\n\n // create a Provider for a service that hasn't registered with Firebase\n const provider = new Provider<T>(name, this);\n this.providers.set(name, provider);\n\n return provider as Provider<T>;\n }\n\n getProviders(): Array<Provider<Name>> {\n return Array.from(this.providers.values());\n }\n}\n","/**\n * @license\n * Copyright 2017 Google Inc.\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nexport type LogLevelString =\n | 'debug'\n | 'verbose'\n | 'info'\n | 'warn'\n | 'error'\n | 'silent';\n\nexport interface LogOptions {\n level: LogLevelString;\n}\n\nexport type LogCallback = (callbackParams: LogCallbackParams) => void;\n\nexport interface LogCallbackParams {\n level: LogLevelString;\n message: string;\n args: unknown[];\n type: string;\n};\n\n/**\n * A container for all of the Logger instances\n */\nexport const instances: Logger[] = [];\n\n/**\n * The JS SDK supports 5 log levels and also allows a user the ability to\n * silence the logs altogether.\n *\n * The order is a follows:\n * DEBUG < VERBOSE < INFO < WARN < ERROR\n *\n * All of the log types above the current log level will be captured (i.e. if\n * you set the log level to `INFO`, errors will still be logged, but `DEBUG` and\n * `VERBOSE` logs will not)\n */\nexport enum LogLevel {\n DEBUG,\n VERBOSE,\n INFO,\n WARN,\n ERROR,\n SILENT\n}\n\nconst levelStringToEnum: { [key in LogLevelString]: LogLevel } = {\n 'debug': LogLevel.DEBUG,\n 'verbose': LogLevel.VERBOSE,\n 'info': LogLevel.INFO,\n 'warn': LogLevel.WARN,\n 'error': LogLevel.ERROR,\n 'silent': LogLevel.SILENT\n};\n\n/**\n * The default log level\n */\nconst defaultLogLevel: LogLevel = LogLevel.INFO;\n\n/**\n * We allow users the ability to pass their own log handler. We will pass the\n * type of log, the current log level, and any other arguments passed (i.e. the\n * messages that the user wants to log) to this function.\n */\nexport type LogHandler = (\n loggerInstance: Logger,\n logType: LogLevel,\n ...args: unknown[]\n) => void;\n\n/**\n * By default, `console.debug` is not displayed in the developer console (in\n * chrome). To avoid forcing users to have to opt-in to these logs twice\n * (i.e. once for firebase, and once in the console), we are sending `DEBUG`\n * logs to the `console.log` function.\n */\nconst ConsoleMethod = {\n [LogLevel.DEBUG]: 'log',\n [LogLevel.VERBOSE]: 'log',\n [LogLevel.INFO]: 'info',\n [LogLevel.WARN]: 'warn',\n [LogLevel.ERROR]: 'error'\n};\n\n/**\n * The default log handler will forward DEBUG, VERBOSE, INFO, WARN, and ERROR\n * messages on to their corresponding console counterparts (if the log method\n * is supported by the current log level)\n */\nconst defaultLogHandler: LogHandler = (instance, logType, ...args): void => {\n if (logType < instance.logLevel) {\n return;\n }\n const now = new Date().toISOString();\n const method = ConsoleMethod[logType as keyof typeof ConsoleMethod];\n if (method) {\n console[method as 'log' | 'info' | 'warn' | 'error'](\n `[${now}] ${instance.name}:`,\n ...args\n );\n } else {\n throw new Error(\n `Attempted to log a message with an invalid logType (value: ${logType})`\n );\n }\n};\n\nexport class Logger {\n /**\n * Gives you an instance of a Logger to capture messages according to\n * Firebase's logging scheme.\n *\n * @param name The name that the logs will be associated with\n */\n constructor(public name: string) {\n /**\n * Capture the current instance for later use\n */\n instances.push(this);\n }\n\n /**\n * The log level of the given Logger instance.\n */\n private _logLevel = defaultLogLevel;\n get logLevel(): LogLevel {\n return this._logLevel;\n }\n set logLevel(val: LogLevel) {\n if (!(val in LogLevel)) {\n throw new TypeError('Invalid value assigned to `logLevel`');\n }\n this._logLevel = val;\n }\n\n /**\n * The main (internal) log handler for the Logger instance.\n * Can be set to a new function in internal package code but not by user.\n */\n private _logHandler: LogHandler = defaultLogHandler;\n get logHandler(): LogHandler {\n return this._logHandler;\n }\n set logHandler(val: LogHandler) {\n if (typeof val !== 'function') {\n throw new TypeError('Value assigned to `logHandler` must be a function');\n }\n this._logHandler = val;\n }\n\n /**\n * The optional, additional, user-defined log handler for the Logger instance.\n */\n private _userLogHandler: LogHandler | null = null;\n get userLogHandler(): LogHandler | null {\n return this._userLogHandler;\n }\n set userLogHandler(val: LogHandler | null) {\n this._userLogHandler = val;\n }\n\n /**\n * The functions below are all based on the `console` interface\n */\n\n debug(...args: unknown[]): void {\n this._userLogHandler && this._userLogHandler(this, LogLevel.DEBUG, ...args);\n this._logHandler(this, LogLevel.DEBUG, ...args);\n }\n log(...args: unknown[]): void {\n this._userLogHandler &&\n this._userLogHandler(this, LogLevel.VERBOSE, ...args);\n this._logHandler(this, LogLevel.VERBOSE, ...args);\n }\n info(...args: unknown[]): void {\n this._userLogHandler && this._userLogHandler(this, LogLevel.INFO, ...args);\n this._logHandler(this, LogLevel.INFO, ...args);\n }\n warn(...args: unknown[]): void {\n this._userLogHandler && this._userLogHandler(this, LogLevel.WARN, ...args);\n this._logHandler(this, LogLevel.WARN, ...args);\n }\n error(...args: unknown[]): void {\n this._userLogHandler && this._userLogHandler(this, LogLevel.ERROR, ...args);\n this._logHandler(this, LogLevel.ERROR, ...args);\n }\n}\n\nexport function setLogLevel(level: LogLevelString | LogLevel): void {\n const newLevel = typeof level === 'string' ? levelStringToEnum[level] : level;\n instances.forEach(inst => {\n inst.logLevel = newLevel;\n });\n}\n\nexport function setUserLogHandler(\n logCallback: LogCallback | null,\n options?: LogOptions\n): void {\n for (const instance of instances) {\n let customLogLevel: LogLevel | null = null;\n if (options && options.level) {\n customLogLevel = levelStringToEnum[options.level];\n }\n if (logCallback === null) {\n instance.userLogHandler = null;\n } else {\n instance.userLogHandler = (\n instance: Logger,\n level: LogLevel,\n ...args: unknown[]\n ) => {\n const message = args\n .map(arg => {\n if (arg == null) {\n return null;\n } else if (typeof arg === 'string') {\n return arg;\n } else if (typeof arg === 'number' || typeof arg === 'boolean') {\n return arg.toString();\n } else if (arg instanceof Error) {\n return arg.message;\n } else {\n try {\n return JSON.stringify(arg);\n } catch (ignored) {\n return null;\n }\n }\n })\n .filter(arg => arg)\n .join(' ');\n if (level >= (customLogLevel ?? instance.logLevel)) {\n logCallback({\n level: LogLevel[level].toLowerCase() as LogLevelString,\n message,\n args,\n type: instance.name\n });\n }\n };\n }\n }\n}\n","/**\n * @license\n * Copyright 2019 Google Inc.\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { ErrorFactory, ErrorMap } from '@firebase/util';\n\nexport const enum AppError {\n NO_APP = 'no-app',\n BAD_APP_NAME = 'bad-app-name',\n DUPLICATE_APP = 'duplicate-app',\n APP_DELETED = 'app-deleted',\n INVALID_APP_ARGUMENT = 'invalid-app-argument',\n INVALID_LOG_ARGUMENT = 'invalid-log-argument'\n}\n\nconst ERRORS: ErrorMap<AppError> = {\n [AppError.NO_APP]:\n \"No Firebase App '{$appName}' has been created - \" +\n 'call Firebase App.initializeApp()',\n [AppError.BAD_APP_NAME]: \"Illegal App name: '{$appName}\",\n [AppError.DUPLICATE_APP]: \"Firebase App named '{$appName}' already exists\",\n [AppError.APP_DELETED]: \"Firebase App named '{$appName}' already deleted\",\n [AppError.INVALID_APP_ARGUMENT]:\n 'firebase.{$appName}() takes either no argument or a ' +\n 'Firebase App instance.',\n [AppError.INVALID_LOG_ARGUMENT]: 'First argument to `onLog` must be null or a function.'\n};\n\ntype ErrorParams = { [key in AppError]: { appName: string } };\n\nexport const ERROR_FACTORY = new ErrorFactory<AppError, ErrorParams>(\n 'app',\n 'Firebase',\n ERRORS\n);\n","/**\n * @license\n * Copyright 2019 Google Inc.\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nexport const DEFAULT_ENTRY_NAME = '[DEFAULT]';\nimport { name as appName } from '../package.json';\nimport { name as analyticsName } from '../../analytics/package.json';\nimport { name as authName } from '../../auth/package.json';\nimport { name as databaseName } from '../../database/package.json';\nimport { name as functionsName } from '../../functions/package.json';\nimport { name as installationsName } from '../../installations/package.json';\nimport { name as messagingName } from '../../messaging/package.json';\nimport { name as performanceName } from '../../performance/package.json';\nimport { name as remoteConfigName } from '../../remote-config/package.json';\nimport { name as storageName } from '../../storage/package.json';\nimport { name as firestoreName } from '../../firestore/package.json';\nimport { name as packageName } from '../../../package.json';\n\nexport const PLATFORM_LOG_STRING = {\n [appName]: 'fire-core',\n [analyticsName]: 'fire-analytics',\n [authName]: 'fire-auth',\n [databaseName]: 'fire-rtdb',\n [functionsName]: 'fire-fn',\n [installationsName]: 'fire-iid',\n [messagingName]: 'fire-fcm',\n [performanceName]: 'fire-perf',\n [remoteConfigName]: 'fire-rc',\n [storageName]: 'fire-gcs',\n [firestoreName]: 'fire-fst',\n 'fire-js': 'fire-js', // Platform identifier for JS SDK.\n [packageName]: 'fire-js-all'\n} as const;\n","/**\n * @license\n * Copyright 2019 Google Inc.\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n FirebaseApp,\n FirebaseOptions,\n FirebaseAppConfig\n} from '@firebase/app-types';\nimport {\n _FirebaseApp,\n _FirebaseNamespace,\n FirebaseService\n} from '@firebase/app-types/private';\nimport { deepCopy } from '@firebase/util';\nimport { ERROR_FACTORY, AppError } from '../errors';\nimport { DEFAULT_ENTRY_NAME } from '../constants';\nimport {\n ComponentContainer,\n Component,\n ComponentType,\n Name\n} from '@firebase/component';\n\ninterface ServicesCache {\n [name: string]: {\n [serviceName: string]: FirebaseService;\n };\n}\n\n/**\n * Global context object for a collection of services using\n * a shared authentication state.\n */\nexport class FirebaseAppLiteImpl implements FirebaseApp {\n private readonly options_: FirebaseOptions;\n private readonly name_: string;\n private isDeleted_ = false;\n private automaticDataCollectionEnabled_: boolean;\n private container: ComponentContainer;\n\n // lite version has an empty INTERNAL namespace\n readonly INTERNAL = {};\n\n constructor(\n options: FirebaseOptions,\n config: FirebaseAppConfig,\n private readonly firebase_: _FirebaseNamespace\n ) {\n this.name_ = config.name!;\n this.automaticDataCollectionEnabled_ =\n config.automaticDataCollectionEnabled || false;\n this.options_ = deepCopy<FirebaseOptions>(options);\n this.container = new ComponentContainer(config.name!);\n\n // add itself to container\n this.container.addComponent(\n new Component('app', () => this, ComponentType.PUBLIC)\n );\n // populate ComponentContainer with existing components\n for (const component of this.firebase_.INTERNAL.components.values()) {\n this.container.addComponent(component);\n }\n }\n\n get automaticDataCollectionEnabled(): boolean {\n this.checkDestroyed_();\n return this.automaticDataCollectionEnabled_;\n }\n\n set automaticDataCollectionEnabled(val) {\n this.checkDestroyed_();\n this.automaticDataCollectionEnabled_ = val;\n }\n\n get name(): string {\n this.checkDestroyed_();\n return this.name_;\n }\n\n get options(): FirebaseOptions {\n this.checkDestroyed_();\n return this.options_;\n }\n\n delete(): Promise<void> {\n return new Promise(resolve => {\n this.checkDestroyed_();\n resolve();\n })\n .then(() => {\n this.firebase_.INTERNAL.removeApp(this.name_);\n\n return Promise.all(\n this.container.getProviders().map(provider => provider.delete())\n );\n })\n .then((): void => {\n this.isDeleted_ = true;\n });\n }\n\n /**\n * Return a service instance associated with this app (creating it\n * on demand), identified by the passed instanceIdentifier.\n *\n * NOTE: Currently storage is the only one that is leveraging this\n * functionality. They invoke it by calling:\n *\n * ```javascript\n * firebase.app().storage('STORAGE BUCKET ID')\n * ```\n *\n * The service name is passed to this already\n * @internal\n */\n _getService(\n name: string,\n instanceIdentifier: string = DEFAULT_ENTRY_NAME\n ): FirebaseService {\n this.checkDestroyed_();\n\n // getImmediate will always succeed because _getService is only called for registered components.\n return (this.container.getProvider(name as Name).getImmediate({\n identifier: instanceIdentifier\n }) as unknown) as FirebaseService;\n }\n\n /**\n * This function will throw an Error if the App has already been deleted -\n * use before performing API actions on the App.\n */\n private checkDestroyed_(): void {\n if (this.isDeleted_) {\n throw ERROR_FACTORY.create(AppError.APP_DELETED, { appName: this.name_ });\n }\n }\n}\n","/**\n * @license\n * Copyright 2019 Google Inc.\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { Logger } from '@firebase/logger';\n\nexport const logger = new Logger('@firebase/app');\n","/**\n * @license\n * Copyright 2019 Google Inc.\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n FirebaseApp,\n FirebaseOptions,\n FirebaseNamespace,\n FirebaseAppConfig\n} from '@firebase/app-types';\nimport {\n _FirebaseApp,\n _FirebaseNamespace,\n FirebaseService,\n FirebaseServiceNamespace\n} from '@firebase/app-types/private';\nimport { deepExtend, contains } from '@firebase/util';\nimport { FirebaseAppImpl } from './firebaseApp';\nimport { ERROR_FACTORY, AppError } from './errors';\nimport { FirebaseAppLiteImpl } from './lite/firebaseAppLite';\nimport { DEFAULT_ENTRY_NAME, PLATFORM_LOG_STRING } from './constants';\nimport { version } from '../../firebase/package.json';\nimport { logger } from './logger';\nimport {\n setUserLogHandler,\n setLogLevel,\n LogCallback,\n LogOptions\n} from '@firebase/logger';\nimport { Component, ComponentType, Name } from '@firebase/component';\n\n/**\n * Because auth can't share code with other components, we attach the utility functions\n * in an internal namespace to share code.\n * This function return a firebase namespace object without\n * any utility functions, so it can be shared between the regular firebaseNamespace and\n * the lite version.\n */\nexport function createFirebaseNamespaceCore(\n firebaseAppImpl: typeof FirebaseAppImpl | typeof FirebaseAppLiteImpl\n): FirebaseNamespace {\n const apps: { [name: string]: FirebaseApp } = {};\n // eslint-disable-next-line @typescript-eslint/no-explicit-any\n const components = new Map<string, Component<any>>();\n\n // A namespace is a plain JavaScript Object.\n const namespace: FirebaseNamespace = {\n // Hack to prevent Babel from modifying the object returned\n // as the firebase namespace.\n // @ts-ignore\n __esModule: true,\n initializeApp,\n // @ts-ignore\n app,\n registerVersion,\n setLogLevel,\n onLog,\n // @ts-ignore\n apps: null,\n SDK_VERSION: version,\n INTERNAL: {\n registerComponent,\n removeApp,\n components,\n useAsService\n }\n };\n\n // Inject a circular default export to allow Babel users who were previously\n // using:\n //\n // import firebase from 'firebase';\n // which becomes: var firebase = require('firebase').default;\n //\n // instead of\n //\n // import * as firebase from 'firebase';\n // which becomes: var firebase = require('firebase');\n // eslint-disable-next-line @typescript-eslint/no-explicit-any\n (namespace as any)['default'] = namespace;\n\n // firebase.apps is a read-only getter.\n Object.defineProperty(namespace, 'apps', {\n get: getApps\n });\n\n /**\n * Called by App.delete() - but before any services associated with the App\n * are deleted.\n */\n function removeApp(name: string): void {\n delete apps[name];\n }\n\n /**\n * Get the App object for a given name (or DEFAULT).\n */\n function app(name?: string): FirebaseApp {\n name = name || DEFAULT_ENTRY_NAME;\n if (!contains(apps, name)) {\n throw ERROR_FACTORY.create(AppError.NO_APP, { appName: name });\n }\n return apps[name];\n }\n\n // @ts-ignore\n app['App'] = firebaseAppImpl;\n /**\n * Create a new App instance (name must be unique).\n */\n function initializeApp(\n options: FirebaseOptions,\n config?: FirebaseAppConfig\n ): FirebaseApp;\n function initializeApp(options: FirebaseOptions, name?: string): FirebaseApp;\n function initializeApp(\n options: FirebaseOptions,\n rawConfig = {}\n ): FirebaseApp {\n if (typeof rawConfig !== 'object' || rawConfig === null) {\n const name = rawConfig;\n rawConfig = { name };\n }\n\n const config = rawConfig as FirebaseAppConfig;\n\n if (config.name === undefined) {\n config.name = DEFAULT_ENTRY_NAME;\n }\n\n const { name } = config;\n\n if (typeof name !== 'string' || !name) {\n throw ERROR_FACTORY.create(AppError.BAD_APP_NAME, {\n appName: String(name)\n });\n }\n\n if (contains(apps, name)) {\n throw ERROR_FACTORY.create(AppError.DUPLICATE_APP, { appName: name });\n }\n\n const app = new firebaseAppImpl(\n options,\n config,\n namespace as _FirebaseNamespace\n );\n\n apps[name] = app;\n\n return app;\n }\n\n /*\n * Return an array of all the non-deleted FirebaseApps.\n */\n function getApps(): FirebaseApp[] {\n // Make a copy so caller cannot mutate the apps list.\n return Object.keys(apps).map(name => apps[name]);\n }\n\n function registerComponent(\n component: Component\n ): FirebaseServiceNamespace<FirebaseService> | null {\n const componentName = component.name;\n if (components.has(componentName)) {\n logger.debug(\n `There were multiple attempts to register component ${componentName}.`\n );\n\n return component.type === ComponentType.PUBLIC\n ? // eslint-disable-next-line @typescript-eslint/no-explicit-any\n (namespace as any)[componentName]\n : null;\n }\n\n components.set(componentName, component);\n\n // create service namespace for public components\n if (component.type === ComponentType.PUBLIC) {\n // The Service namespace is an accessor function ...\n const serviceNamespace = (\n appArg: FirebaseApp = app()\n ): FirebaseService => {\n // eslint-disable-next-line @typescript-eslint/no-explicit-any\n if (typeof (appArg as any)[componentName] !== 'function') {\n // Invalid argument.\n // This happens in the following case: firebase.storage('gs:/')\n throw ERROR_FACTORY.create(AppError.INVALID_APP_ARGUMENT, {\n appName: componentName\n });\n }\n\n // Forward service instance lookup to the FirebaseApp.\n // eslint-disable-next-line @typescript-eslint/no-explicit-any\n return (appArg as any)[componentName]();\n };\n\n // ... and a container for service-level properties.\n if (component.serviceProps !== undefined) {\n deepExtend(serviceNamespace, component.serviceProps);\n }\n\n // eslint-disable-next-line @typescript-eslint/no-explicit-any\n (namespace as any)[componentName] = serviceNamespace;\n\n // Patch the FirebaseAppImpl prototype\n // eslint-disable-next-line @typescript-eslint/no-explicit-any\n (firebaseAppImpl.prototype as any)[componentName] =\n // TODO: The eslint disable can be removed and the 'ignoreRestArgs'\n // option added to the no-explicit-any rule when ESlint releases it.\n // eslint-disable-next-line @typescript-eslint/no-explicit-any\n function(...args: any) {\n const serviceFxn = this._getService.bind(this, componentName);\n return serviceFxn.apply(\n this,\n component.multipleInstances ? args : []\n );\n };\n }\n\n // add the component to existing app instances\n for (const appName of Object.keys(apps)) {\n (apps[appName] as _FirebaseApp)._addComponent(component);\n }\n\n return component.type === ComponentType.PUBLIC\n ? // eslint-disable-next-line @typescript-eslint/no-explicit-any\n (namespace as any)[componentName]\n : null;\n }\n\n function registerVersion(\n libraryKeyOrName: string,\n version: string,\n variant?: string\n ): void {\n // TODO: We can use this check to whitelist strings when/if we set up\n // a good whitelist system.\n let library = PLATFORM_LOG_STRING[libraryKeyOrName] ?? libraryKeyOrName;\n if (variant) {\n library += `-${variant}`;\n }\n const libraryMismatch = library.match(/\\s|\\//);\n const versionMismatch = version.match(/\\s|\\//);\n if (libraryMismatch || versionMismatch) {\n const warning = [\n `Unable to register library \"${library}\" with version \"${version}\":`\n ];\n if (libraryMismatch) {\n warning.push(\n `library name \"${library}\" contains illegal characters (whitespace or \"/\")`\n );\n }\n if (libraryMismatch && versionMismatch) {\n warning.push('and');\n }\n if (versionMismatch) {\n warning.push(\n `version name \"${version}\" contains illegal characters (whitespace or \"/\")`\n );\n }\n logger.warn(warning.join(' '));\n return;\n }\n registerComponent(\n new Component(\n `${library}-version` as Name,\n () => ({ library, version }),\n ComponentType.VERSION\n )\n );\n }\n\n function onLog(logCallback: LogCallback | null, options?: LogOptions): void {\n if (logCallback !== null && typeof logCallback !== 'function') {\n throw ERROR_FACTORY.create(AppError.INVALID_LOG_ARGUMENT, {\n appName: name\n });\n }\n setUserLogHandler(logCallback, options);\n }\n\n // Map the requested service to a registered service name\n // (used to map auth to serverAuth service when needed).\n function useAsService(app: FirebaseApp, name: string): string | null {\n if (name === 'serverAuth') {\n return null;\n }\n\n const useService = name;\n\n return useService;\n }\n\n return namespace;\n}\n","/**\n * @license\n * Copyright 2019 Google Inc.\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n ComponentContainer,\n ComponentType,\n Provider,\n Name\n} from '@firebase/component';\n\nexport class PlatformLoggerService {\n constructor(private readonly container: ComponentContainer) {}\n // In initial implementation, this will be called by installations on\n // auth token refresh, and installations will send this string.\n getPlatformInfoString(): string {\n const providers = this.container.getProviders();\n // Loop through providers and get library/version pairs from any that are\n // version components.\n return providers\n .map(provider => {\n if (isVersionServiceProvider(provider)) {\n const service = provider.getImmediate();\n return `${service.library}/${service.version}`;\n } else {\n return null;\n }\n })\n .filter(logString => logString)\n .join(' ');\n }\n}\n/**\n *\n * @param provider check if this provider provides a VersionService\n *\n * NOTE: Using Provider<'app-version'> is a hack to indicate that the provider\n * provides VersionService. The provider is not necessarily a 'app-version'\n * provider.\n */\nfunction isVersionServiceProvider(\n provider: Provider<Name>\n): provider is Provider<'app-version'> {\n const component = provider.getComponent();\n return component?.type === ComponentType.VERSION;\n}\n","/**\n * @license\n * Copyright 2019 Google Inc.\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { FirebaseNamespace } from '@firebase/app-types';\nimport { _FirebaseNamespace } from '@firebase/app-types/private';\nimport { Component, ComponentType } from '@firebase/component';\nimport { PlatformLoggerService } from './platformLoggerService';\nimport { name, version } from '../package.json';\n\nexport function registerCoreComponents(\n firebase: FirebaseNamespace,\n variant?: string\n): void {\n (firebase as _FirebaseNamespace).INTERNAL.registerComponent(\n new Component(\n 'platform-logger',\n container => new PlatformLoggerService(container),\n ComponentType.PRIVATE\n )\n );\n // Register `app` package.\n firebase.registerVersion(name, version, variant);\n // Register platform SDK identifier (no version).\n firebase.registerVersion('fire-js', '');\n}\n","/**\n * @license\n * Copyright 2019 Google Inc.\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { createFirebaseNamespaceLite } from './src/lite/firebaseNamespaceLite';\nimport { registerCoreComponents } from './src/registerCoreComponents';\n\nexport const firebase = createFirebaseNamespaceLite();\n\nregisterCoreComponents(firebase, 'lite');\n\n// eslint-disable-next-line import/no-default-export\nexport default firebase;\n","/**\n * @license\n * Copyright 2019 Google Inc.\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { FirebaseNamespace } from '@firebase/app-types';\nimport {\n _FirebaseApp,\n _FirebaseNamespace,\n FirebaseServiceNamespace,\n FirebaseService\n} from '@firebase/app-types/private';\nimport { FirebaseAppLiteImpl } from './firebaseAppLite';\nimport { createFirebaseNamespaceCore } from '../firebaseNamespaceCore';\nimport { Component, ComponentType } from '@firebase/component';\n\nexport function createFirebaseNamespaceLite(): FirebaseNamespace {\n const namespace = createFirebaseNamespaceCore(FirebaseAppLiteImpl);\n\n namespace.SDK_VERSION = `${namespace.SDK_VERSION}_LITE`;\n\n const registerComponent = (namespace as _FirebaseNamespace).INTERNAL\n .registerComponent;\n (namespace as _FirebaseNamespace).INTERNAL.registerComponent = registerComponentForLite;\n\n /**\n * This is a special implementation, so it only works with performance.\n * only allow performance SDK to register.\n */\n function registerComponentForLite(\n // eslint-disable-next-line @typescript-eslint/no-explicit-any\n component: Component<any>\n ): FirebaseServiceNamespace<FirebaseService> | null {\n // only allow performance to register with firebase lite\n if (\n component.type === ComponentType.PUBLIC &&\n component.name !== 'performance' &&\n component.name !== 'installations'\n ) {\n throw Error(`${name} cannot register with the standalone perf instance`);\n }\n\n return registerComponent(component);\n }\n\n return namespace;\n}\n","function toArray(arr) {\n return Array.prototype.slice.call(arr);\n}\n\nfunction promisifyRequest(request) {\n return new Promise(function(resolve, reject) {\n request.onsuccess = function() {\n resolve(request.result);\n };\n\n request.onerror = function() {\n reject(request.error);\n };\n });\n}\n\nfunction promisifyRequestCall(obj, method, args) {\n var request;\n var p = new Promise(function(resolve, reject) {\n request = obj[method].apply(obj, args);\n promisifyRequest(request).then(resolve, reject);\n });\n\n p.request = request;\n return p;\n}\n\nfunction promisifyCursorRequestCall(obj, method, args) {\n var p = promisifyRequestCall(obj, method, args);\n return p.then(function(value) {\n if (!value) return;\n return new Cursor(value, p.request);\n });\n}\n\nfunction proxyProperties(ProxyClass, targetProp, properties) {\n properties.forEach(function(prop) {\n Object.defineProperty(ProxyClass.prototype, prop, {\n get: function() {\n return this[targetProp][prop];\n },\n set: function(val) {\n this[targetProp][prop] = val;\n }\n });\n });\n}\n\nfunction proxyRequestMethods(ProxyClass, targetProp, Constructor, properties) {\n properties.forEach(function(prop) {\n if (!(prop in Constructor.prototype)) return;\n ProxyClass.prototype[prop] = function() {\n return promisifyRequestCall(this[targetProp], prop, arguments);\n };\n });\n}\n\nfunction proxyMethods(ProxyClass, targetProp, Constructor, properties) {\n properties.forEach(function(prop) {\n if (!(prop in Constructor.prototype)) return;\n ProxyClass.prototype[prop] = function() {\n return this[targetProp][prop].apply(this[targetProp], arguments);\n };\n });\n}\n\nfunction proxyCursorRequestMethods(ProxyClass, targetProp, Constructor, properties) {\n properties.forEach(function(prop) {\n if (!(prop in Constructor.prototype)) return;\n ProxyClass.prototype[prop] = function() {\n return promisifyCursorRequestCall(this[targetProp], prop, arguments);\n };\n });\n}\n\nfunction Index(index) {\n this._index = index;\n}\n\nproxyProperties(Index, '_index', [\n 'name',\n 'keyPath',\n 'multiEntry',\n 'unique'\n]);\n\nproxyRequestMethods(Index, '_index', IDBIndex, [\n 'get',\n 'getKey',\n 'getAll',\n 'getAllKeys',\n 'count'\n]);\n\nproxyCursorRequestMethods(Index, '_index', IDBIndex, [\n 'openCursor',\n 'openKeyCursor'\n]);\n\nfunction Cursor(cursor, request) {\n this._cursor = cursor;\n this._request = request;\n}\n\nproxyProperties(Cursor, '_cursor', [\n 'direction',\n 'key',\n 'primaryKey',\n 'value'\n]);\n\nproxyRequestMethods(Cursor, '_cursor', IDBCursor, [\n 'update',\n 'delete'\n]);\n\n// proxy 'next' methods\n['advance', 'continue', 'continuePrimaryKey'].forEach(function(methodName) {\n if (!(methodName in IDBCursor.prototype)) return;\n Cursor.prototype[methodName] = function() {\n var cursor = this;\n var args = arguments;\n return Promise.resolve().then(function() {\n cursor._cursor[methodName].apply(cursor._cursor, args);\n return promisifyRequest(cursor._request).then(function(value) {\n if (!value) return;\n return new Cursor(value, cursor._request);\n });\n });\n };\n});\n\nfunction ObjectStore(store) {\n this._store = store;\n}\n\nObjectStore.prototype.createIndex = function() {\n return new Index(this._store.createIndex.apply(this._store, arguments));\n};\n\nObjectStore.prototype.index = function() {\n return new Index(this._store.index.apply(this._store, arguments));\n};\n\nproxyProperties(ObjectStore, '_store', [\n 'name',\n 'keyPath',\n 'indexNames',\n 'autoIncrement'\n]);\n\nproxyRequestMethods(ObjectStore, '_store', IDBObjectStore, [\n 'put',\n 'add',\n 'delete',\n 'clear',\n 'get',\n 'getAll',\n 'getKey',\n 'getAllKeys',\n 'count'\n]);\n\nproxyCursorRequestMethods(ObjectStore, '_store', IDBObjectStore, [\n 'openCursor',\n 'openKeyCursor'\n]);\n\nproxyMethods(ObjectStore, '_store', IDBObjectStore, [\n 'deleteIndex'\n]);\n\nfunction Transaction(idbTransaction) {\n this._tx = idbTransaction;\n this.complete = new Promise(function(resolve, reject) {\n idbTransaction.oncomplete = function() {\n resolve();\n };\n idbTransaction.onerror = function() {\n reject(idbTransaction.error);\n };\n idbTransaction.onabort = function() {\n reject(idbTransaction.error);\n };\n });\n}\n\nTransaction.prototype.objectStore = function() {\n return new ObjectStore(this._tx.objectStore.apply(this._tx, arguments));\n};\n\nproxyProperties(Transaction, '_tx', [\n 'objectStoreNames',\n 'mode'\n]);\n\nproxyMethods(Transaction, '_tx', IDBTransaction, [\n 'abort'\n]);\n\nfunction UpgradeDB(db, oldVersion, transaction) {\n this._db = db;\n this.oldVersion = oldVersion;\n this.transaction = new Transaction(transaction);\n}\n\nUpgradeDB.prototype.createObjectStore = function() {\n return new ObjectStore(this._db.createObjectStore.apply(this._db, arguments));\n};\n\nproxyProperties(UpgradeDB, '_db', [\n 'name',\n 'version',\n 'objectStoreNames'\n]);\n\nproxyMethods(UpgradeDB, '_db', IDBDatabase, [\n 'deleteObjectStore',\n 'close'\n]);\n\nfunction DB(db) {\n this._db = db;\n}\n\nDB.prototype.transaction = function() {\n return new Transaction(this._db.transaction.apply(this._db, arguments));\n};\n\nproxyProperties(DB, '_db', [\n 'name',\n 'version',\n 'objectStoreNames'\n]);\n\nproxyMethods(DB, '_db', IDBDatabase, [\n 'close'\n]);\n\n// Add cursor iterators\n// TODO: remove this once browsers do the right thing with promises\n['openCursor', 'openKeyCursor'].forEach(function(funcName) {\n [ObjectStore, Index].forEach(function(Constructor) {\n // Don't create iterateKeyCursor if openKeyCursor doesn't exist.\n if (!(funcName in Constructor.prototype)) return;\n\n Constructor.prototype[funcName.replace('open', 'iterate')] = function() {\n var args = toArray(arguments);\n var callback = args[args.length - 1];\n var nativeObject = this._store || this._index;\n var request = nativeObject[funcName].apply(nativeObject, args.slice(0, -1));\n request.onsuccess = function() {\n callback(request.result);\n };\n };\n });\n});\n\n// polyfill getAll\n[Index, ObjectStore].forEach(function(Constructor) {\n if (Constructor.prototype.getAll) return;\n Constructor.prototype.getAll = function(query, count) {\n var instance = this;\n var items = [];\n\n return new Promise(function(resolve) {\n instance.iterateCursor(query, function(cursor) {\n if (!cursor) {\n resolve(items);\n return;\n }\n items.push(cursor.value);\n\n if (count !== undefined && items.length == count) {\n resolve(items);\n return;\n }\n cursor.continue();\n });\n });\n };\n});\n\nexport function openDb(name, version, upgradeCallback) {\n var p = promisifyRequestCall(indexedDB, 'open', [name, version]);\n var request = p.request;\n\n if (request) {\n request.onupgradeneeded = function(event) {\n if (upgradeCallback) {\n upgradeCallback(new UpgradeDB(request.result, event.oldVersion, request.transaction));\n }\n };\n }\n\n return p.then(function(db) {\n return new DB(db);\n });\n}\n\nexport function deleteDb(name) {\n return promisifyRequestCall(indexedDB, 'deleteDatabase', [name]);\n}\n","/**\n * @license\n * Copyright 2019 Google Inc.\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { version } from '../../package.json';\n\nexport const PENDING_TIMEOUT_MS = 10000;\n\nexport const PACKAGE_VERSION = `w:${version}`;\nexport const INTERNAL_AUTH_VERSION = 'FIS_v2';\n\nexport const INSTALLATIONS_API_URL =\n 'https://firebaseinstallations.googleapis.com/v1';\n\nexport const TOKEN_EXPIRATION_BUFFER = 60 * 60 * 1000; // One hour\n\nexport const SERVICE = 'installations';\nexport const SERVICE_NAME = 'Installations';\n","/**\n * @license\n * Copyright 2019 Google Inc.\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { ErrorFactory, FirebaseError } from '@firebase/util';\nimport { SERVICE, SERVICE_NAME } from './constants';\n\nexport const enum ErrorCode {\n MISSING_APP_CONFIG_VALUES = 'missing-app-config-values',\n NOT_REGISTERED = 'not-registered',\n INSTALLATION_NOT_FOUND = 'installation-not-found',\n REQUEST_FAILED = 'request-failed',\n APP_OFFLINE = 'app-offline',\n DELETE_PENDING_REGISTRATION = 'delete-pending-registration'\n}\n\nconst ERROR_DESCRIPTION_MAP: { readonly [key in ErrorCode]: string } = {\n [ErrorCode.MISSING_APP_CONFIG_VALUES]:\n 'Missing App configuration value: \"{$valueName}\"',\n [ErrorCode.NOT_REGISTERED]: 'Firebase Installation is not registered.',\n [ErrorCode.INSTALLATION_NOT_FOUND]: 'Firebase Installation not found.',\n [ErrorCode.REQUEST_FAILED]:\n '{$requestName} request failed with error \"{$serverCode} {$serverStatus}: {$serverMessage}\"',\n [ErrorCode.APP_OFFLINE]: 'Could not process request. Application offline.',\n [ErrorCode.DELETE_PENDING_REGISTRATION]:\n \"Can't delete installation while there is a pending registration request.\"\n};\n\ninterface ErrorParams {\n [ErrorCode.MISSING_APP_CONFIG_VALUES]: {\n valueName: string;\n };\n [ErrorCode.REQUEST_FAILED]: {\n requestName: string;\n [index: string] : string | number; // to make Typescript 3.8 happy\n } & ServerErrorData;\n}\n\nexport const ERROR_FACTORY = new ErrorFactory<ErrorCode, ErrorParams>(\n SERVICE,\n SERVICE_NAME,\n ERROR_DESCRIPTION_MAP\n);\n\nexport interface ServerErrorData {\n serverCode: number;\n serverMessage: string;\n serverStatus: string;\n}\n\nexport type ServerError = FirebaseError & ServerErrorData;\n\n/** Returns true if error is a FirebaseError that is based on an error from the server. */\nexport function isServerError(error: unknown): error is ServerError {\n return (\n error instanceof FirebaseError &&\n error.code.includes(ErrorCode.REQUEST_FAILED)\n );\n}\n","/**\n * @license\n * Copyright 2019 Google Inc.\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { FirebaseError } from '@firebase/util';\nimport { GenerateAuthTokenResponse } from '../interfaces/api-response';\nimport { AppConfig } from '../interfaces/app-config';\nimport {\n CompletedAuthToken,\n RegisteredInstallationEntry,\n RequestStatus\n} from '../interfaces/installation-entry';\nimport {\n INSTALLATIONS_API_URL,\n INTERNAL_AUTH_VERSION\n} from '../util/constants';\nimport { ERROR_FACTORY, ErrorCode } from '../util/errors';\n\nexport function getInstallationsEndpoint({ projectId }: AppConfig): string {\n return `${INSTALLATIONS_API_URL}/projects/${projectId}/installations`;\n}\n\nexport function extractAuthTokenInfoFromResponse(\n response: GenerateAuthTokenResponse\n): CompletedAuthToken {\n return {\n token: response.token,\n requestStatus: RequestStatus.COMPLETED,\n expiresIn: getExpiresInFromResponseExpiresIn(response.expiresIn),\n creationTime: Date.now()\n };\n}\n\nexport async function getErrorFromResponse(\n requestName: string,\n response: Response\n): Promise<FirebaseError> {\n const responseJson: ErrorResponse = await response.json();\n const errorData = responseJson.error;\n return ERROR_FACTORY.create(ErrorCode.REQUEST_FAILED, {\n requestName,\n serverCode: errorData.code,\n serverMessage: errorData.message,\n serverStatus: errorData.status\n });\n}\n\nexport function getHeaders({ apiKey }: AppConfig): Headers {\n return new Headers({\n 'Content-Type': 'application/json',\n Accept: 'application/json',\n 'x-goog-api-key': apiKey\n });\n}\n\nexport function getHeadersWithAuth(\n appConfig: AppConfig,\n { refreshToken }: RegisteredInstallationEntry\n): Headers {\n const headers = getHeaders(appConfig);\n headers.append('Authorization', getAuthorizationHeader(refreshToken));\n return headers;\n}\n\nexport interface ErrorResponse {\n error: {\n code: number;\n message: string;\n status: string;\n };\n}\n\n/**\n * Calls the passed in fetch wrapper and returns the response.\n * If the returned response has a status of 5xx, re-runs the function once and\n * returns the response.\n */\nexport async function retryIfServerError(\n fn: () => Promise<Response>\n): Promise<Response> {\n const result = await fn();\n\n if (result.status >= 500 && result.status < 600) {\n // Internal Server Error. Retry request.\n return fn();\n }\n\n return result;\n}\n\nfunction getExpiresInFromResponseExpiresIn(responseExpiresIn: string): number {\n // This works because the server will never respond with fractions of a second.\n return Number(responseExpiresIn.replace('s', '000'));\n}\n\nfunction getAuthorizationHeader(refreshToken: string): string {\n return `${INTERNAL_AUTH_VERSION} ${refreshToken}`;\n}\n","/**\n * @license\n * Copyright 2019 Google Inc.\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\n/** Returns a promise that resolves after given time passes. */\nexport function sleep(ms: number): Promise<void> {\n return new Promise<void>(resolve => {\n setTimeout(resolve, ms);\n });\n}\n","/**\n * @license\n * Copyright 2019 Google Inc.\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nexport function bufferToBase64UrlSafe(array: Uint8Array): string {\n const b64 = btoa(String.fromCharCode(...array));\n return b64.replace(/\\+/g, '-').replace(/\\//g, '_');\n}\n","/**\n * @license\n * Copyright 2019 Google Inc.\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { bufferToBase64UrlSafe } from './buffer-to-base64-url-safe';\n\nexport const VALID_FID_PATTERN = /^[cdef][\\w-]{21}$/;\nexport const INVALID_FID = '';\n\n/**\n * Generates a new FID using random values from Web Crypto API.\n * Returns an empty string if FID generation fails for any reason.\n */\nexport function generateFid(): string {\n try {\n // A valid FID has exactly 22 base64 characters, which is 132 bits, or 16.5\n // bytes. our implementation generates a 17 byte array instead.\n const fidByteArray = new Uint8Array(17);\n const crypto =\n self.crypto || ((self as unknown) as { msCrypto: Crypto }).msCrypto;\n crypto.getRandomValues(fidByteArray);\n\n // Replace the first 4 random bits with the constant FID header of 0b0111.\n fidByteArray[0] = 0b01110000 + (fidByteArray[0] % 0b00010000);\n\n const fid = encode(fidByteArray);\n\n return VALID_FID_PATTERN.test(fid) ? fid : INVALID_FID;\n } catch {\n // FID generation errored\n return INVALID_FID;\n }\n}\n\n/** Converts a FID Uint8Array to a base64 string representation. */\nfunction encode(fidByteArray: Uint8Array): string {\n const b64String = bufferToBase64UrlSafe(fidByteArray);\n\n // Remove the 23rd character that was added because of the extra 4 bits at the\n // end of our 17 byte array, and the '=' padding.\n return b64String.substr(0, 22);\n}\n","/**\n * @license\n * Copyright 2019 Google Inc.\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { AppConfig } from '../interfaces/app-config';\n\n/** Returns a string key that can be used to identify the app. */\nexport function getKey(appConfig: AppConfig): string {\n return `${appConfig.appName}!${appConfig.appId}`;\n}\n","/**\n * @license\n * Copyright 2019 Google Inc.\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { getKey } from '../util/get-key';\nimport { AppConfig } from '../interfaces/app-config';\nimport { IdChangeCallbackFn } from '../functions';\n\nconst fidChangeCallbacks: Map<string, Set<IdChangeCallbackFn>> = new Map();\n\n/**\n * Calls the onIdChange callbacks with the new FID value, and broadcasts the\n * change to other tabs.\n */\nexport function fidChanged(appConfig: AppConfig, fid: string): void {\n const key = getKey(appConfig);\n\n callFidChangeCallbacks(key, fid);\n broadcastFidChange(key, fid);\n}\n\nexport function addCallback(\n appConfig: AppConfig,\n callback: IdChangeCallbackFn\n): void {\n // Open the broadcast channel if it's not already open,\n // to be able to listen to change events from other tabs.\n getBroadcastChannel();\n\n const key = getKey(appConfig);\n\n let callbackSet = fidChangeCallbacks.get(key);\n if (!callbackSet) {\n callbackSet = new Set();\n fidChangeCallbacks.set(key, callbackSet);\n }\n callbackSet.add(callback);\n}\n\nexport function removeCallback(\n appConfig: AppConfig,\n callback: IdChangeCallbackFn\n): void {\n const key = getKey(appConfig);\n\n const callbackSet = fidChangeCallbacks.get(key);\n\n if (!callbackSet) {\n return;\n }\n\n callbackSet.delete(callback);\n if (callbackSet.size === 0) {\n fidChangeCallbacks.delete(key);\n }\n\n // Close broadcast channel if there are no more callbacks.\n closeBroadcastChannel();\n}\n\nfunction callFidChangeCallbacks(key: string, fid: string): void {\n const callbacks = fidChangeCallbacks.get(key);\n if (!callbacks) {\n return;\n }\n\n for (const callback of callbacks) {\n callback(fid);\n }\n}\n\nfunction broadcastFidChange(key: string, fid: string): void {\n const channel = getBroadcastChannel();\n if (channel) {\n channel.postMessage({ key, fid });\n }\n closeBroadcastChannel();\n}\n\nlet broadcastChannel: BroadcastChannel | null = null;\n/** Opens and returns a BroadcastChannel if it is supported by the browser. */\nfunction getBroadcastChannel(): BroadcastChannel | null {\n if (!broadcastChannel && 'BroadcastChannel' in self) {\n broadcastChannel = new BroadcastChannel('[Firebase] FID Change');\n broadcastChannel.onmessage = e => {\n callFidChangeCallbacks(e.data.key, e.data.fid);\n };\n }\n return broadcastChannel;\n}\n\nfunction closeBroadcastChannel(): void {\n if (fidChangeCallbacks.size === 0 && broadcastChannel) {\n broadcastChannel.close();\n broadcastChannel = null;\n }\n}\n","/**\n * @license\n * Copyright 2019 Google Inc.\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { DB, openDb } from 'idb';\nimport { AppConfig } from '../interfaces/app-config';\nimport { InstallationEntry } from '../interfaces/installation-entry';\nimport { getKey } from '../util/get-key';\nimport { fidChanged } from './fid-changed';\n\nconst DATABASE_NAME = 'firebase-installations-database';\nconst DATABASE_VERSION = 1;\nconst OBJECT_STORE_NAME = 'firebase-installations-store';\n\nlet dbPromise: Promise<DB> | null = null;\nfunction getDbPromise(): Promise<DB> {\n if (!dbPromise) {\n dbPromise = openDb(DATABASE_NAME, DATABASE_VERSION, upgradeDB => {\n // We don't use 'break' in this switch statement, the fall-through\n // behavior is what we want, because if there are multiple versions between\n // the old version and the current version, we want ALL the migrations\n // that correspond to those versions to run, not only the last one.\n // eslint-disable-next-line default-case\n switch (upgradeDB.oldVersion) {\n case 0:\n upgradeDB.createObjectStore(OBJECT_STORE_NAME);\n }\n });\n }\n return dbPromise;\n}\n\n/** Gets record(s) from the objectStore that match the given key. */\nexport async function get(\n appConfig: AppConfig\n): Promise<InstallationEntry | undefined> {\n const key = getKey(appConfig);\n const db = await getDbPromise();\n return db\n .transaction(OBJECT_STORE_NAME)\n .objectStore(OBJECT_STORE_NAME)\n .get(key);\n}\n\n/** Assigns or overwrites the record for the given key with the given value. */\nexport async function set<ValueType extends InstallationEntry>(\n appConfig: AppConfig,\n value: ValueType\n): Promise<ValueType> {\n const key = getKey(appConfig);\n const db = await getDbPromise();\n const tx = db.transaction(OBJECT_STORE_NAME, 'readwrite');\n const objectStore = tx.objectStore(OBJECT_STORE_NAME);\n const oldValue = await objectStore.get(key);\n await objectStore.put(value, key);\n await tx.complete;\n\n if (!oldValue || oldValue.fid !== value.fid) {\n fidChanged(appConfig, value.fid);\n }\n\n return value;\n}\n\n/** Removes record(s) from the objectStore that match the given key. */\nexport async function remove(appConfig: AppConfig): Promise<void> {\n const key = getKey(appConfig);\n const db = await getDbPromise();\n const tx = db.transaction(OBJECT_STORE_NAME, 'readwrite');\n await tx.objectStore(OBJECT_STORE_NAME).delete(key);\n await tx.complete;\n}\n\n/**\n * Atomically updates a record with the result of updateFn, which gets\n * called with the current value. If newValue is undefined, the record is\n * deleted instead.\n * @return Updated value\n */\nexport async function update<ValueType extends InstallationEntry | undefined>(\n appConfig: AppConfig,\n updateFn: (previousValue: InstallationEntry | undefined) => ValueType\n): Promise<ValueType> {\n const key = getKey(appConfig);\n const db = await getDbPromise();\n const tx = db.transaction(OBJECT_STORE_NAME, 'readwrite');\n const store = tx.objectStore(OBJECT_STORE_NAME);\n const oldValue: InstallationEntry | undefined = await store.get(key);\n const newValue = updateFn(oldValue);\n\n if (newValue === undefined) {\n await store.delete(key);\n } else {\n await store.put(newValue, key);\n }\n await tx.complete;\n\n if (newValue && (!oldValue || oldValue.fid !== newValue.fid)) {\n fidChanged(appConfig, newValue.fid);\n }\n\n return newValue;\n}\n\nexport async function clear(): Promise<void> {\n const db = await getDbPromise();\n const tx = db.transaction(OBJECT_STORE_NAME, 'readwrite');\n await tx.objectStore(OBJECT_STORE_NAME).clear();\n await tx.complete;\n}\n","/**\n * @license\n * Copyright 2019 Google Inc.\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport firebase from '@firebase/app';\nimport {\n _FirebaseNamespace,\n FirebaseService\n} from '@firebase/app-types/private';\nimport { Component, ComponentType } from '@firebase/component';\nimport { FirebaseInstallations } from '@firebase/installations-types';\nimport {\n deleteInstallation,\n getId,\n getToken,\n IdChangeCallbackFn,\n IdChangeUnsubscribeFn,\n onIdChange\n} from './functions';\nimport { extractAppConfig } from './helpers/extract-app-config';\nimport { FirebaseDependencies } from './interfaces/firebase-dependencies';\n\nimport { name, version } from '../package.json';\n\nexport function registerInstallations(instance: _FirebaseNamespace): void {\n const installationsName = 'installations';\n\n instance.INTERNAL.registerComponent(\n new Component(\n installationsName,\n container => {\n const app = container.getProvider('app').getImmediate();\n\n // Throws if app isn't configured properly.\n const appConfig = extractAppConfig(app);\n const platformLoggerProvider = container.getProvider('platform-logger');\n const dependencies: FirebaseDependencies = {\n appConfig,\n platformLoggerProvider\n };\n\n const installations: FirebaseInstallations & FirebaseService = {\n app,\n getId: () => getId(dependencies),\n getToken: (forceRefresh?: boolean) =>\n getToken(dependencies, forceRefresh),\n delete: () => deleteInstallation(dependencies),\n onIdChange: (callback: IdChangeCallbackFn): IdChangeUnsubscribeFn =>\n onIdChange(dependencies, callback)\n };\n return installations;\n },\n ComponentType.PUBLIC\n )\n );\n\n instance.registerVersion(name, version);\n}\n\nregisterInstallations(firebase as _FirebaseNamespace);\n\n/**\n * Define extension behavior of `registerInstallations`\n */\ndeclare module '@firebase/app-types' {\n interface FirebaseNamespace {\n installations(app?: FirebaseApp): FirebaseInstallations;\n }\n interface FirebaseApp {\n installations(): FirebaseInstallations;\n }\n}\n","/**\n * @license\n * Copyright 2019 Google Inc.\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { createInstallationRequest } from '../api/create-installation-request';\nimport { AppConfig } from '../interfaces/app-config';\nimport {\n InProgressInstallationEntry,\n InstallationEntry,\n RegisteredInstallationEntry,\n RequestStatus\n} from '../interfaces/installation-entry';\nimport { PENDING_TIMEOUT_MS } from '../util/constants';\nimport { ERROR_FACTORY, ErrorCode, isServerError } from '../util/errors';\nimport { sleep } from '../util/sleep';\nimport { generateFid, INVALID_FID } from './generate-fid';\nimport { remove, set, update } from './idb-manager';\n\nexport interface InstallationEntryWithRegistrationPromise {\n installationEntry: InstallationEntry;\n /** Exist iff the installationEntry is not registered. */\n registrationPromise?: Promise<RegisteredInstallationEntry>;\n}\n\n/**\n * Updates and returns the InstallationEntry from the database.\n * Also triggers a registration request if it is necessary and possible.\n */\nexport async function getInstallationEntry(\n appConfig: AppConfig\n): Promise<InstallationEntryWithRegistrationPromise> {\n let registrationPromise: Promise<RegisteredInstallationEntry> | undefined;\n\n const installationEntry = await update(appConfig, oldEntry => {\n const installationEntry = updateOrCreateInstallationEntry(oldEntry);\n const entryWithPromise = triggerRegistrationIfNecessary(\n appConfig,\n installationEntry\n );\n registrationPromise = entryWithPromise.registrationPromise;\n return entryWithPromise.installationEntry;\n });\n\n if (installationEntry.fid === INVALID_FID) {\n // FID generation failed. Waiting for the FID from the server.\n return { installationEntry: await registrationPromise! };\n }\n\n return {\n installationEntry,\n registrationPromise\n };\n}\n\n/**\n * Creates a new Installation Entry if one does not exist.\n * Also clears timed out pending requests.\n */\nfunction updateOrCreateInstallationEntry(\n oldEntry: InstallationEntry | undefined\n): InstallationEntry {\n const entry: InstallationEntry = oldEntry || {\n fid: generateFid(),\n registrationStatus: RequestStatus.NOT_STARTED\n };\n\n return clearTimedOutRequest(entry);\n}\n\n/**\n * If the Firebase Installation is not registered yet, this will trigger the\n * registration and return an InProgressInstallationEntry.\n *\n * If registrationPromise does not exist, the installationEntry is guaranteed\n * to be registered.\n */\nfunction triggerRegistrationIfNecessary(\n appConfig: AppConfig,\n installationEntry: InstallationEntry\n): InstallationEntryWithRegistrationPromise {\n if (installationEntry.registrationStatus === RequestStatus.NOT_STARTED) {\n if (!navigator.onLine) {\n // Registration required but app is offline.\n const registrationPromiseWithError = Promise.reject(\n ERROR_FACTORY.create(ErrorCode.APP_OFFLINE)\n );\n return {\n installationEntry,\n registrationPromise: registrationPromiseWithError\n };\n }\n\n // Try registering. Change status to IN_PROGRESS.\n const inProgressEntry: InProgressInstallationEntry = {\n fid: installationEntry.fid,\n registrationStatus: RequestStatus.IN_PROGRESS,\n registrationTime: Date.now()\n };\n const registrationPromise = registerInstallation(\n appConfig,\n inProgressEntry\n );\n return { installationEntry: inProgressEntry, registrationPromise };\n } else if (\n installationEntry.registrationStatus === RequestStatus.IN_PROGRESS\n ) {\n return {\n installationEntry,\n registrationPromise: waitUntilFidRegistration(appConfig)\n };\n } else {\n return { installationEntry };\n }\n}\n\n/** This will be executed only once for each new Firebase Installation. */\nasync function registerInstallation(\n appConfig: AppConfig,\n installationEntry: InProgressInstallationEntry\n): Promise<RegisteredInstallationEntry> {\n try {\n const registeredInstallationEntry = await createInstallationRequest(\n appConfig,\n installationEntry\n );\n return set(appConfig, registeredInstallationEntry);\n } catch (e) {\n if (isServerError(e) && e.serverCode === 409) {\n // Server returned a \"FID can not be used\" error.\n // Generate a new ID next time.\n await remove(appConfig);\n } else {\n // Registration failed. Set FID as not registered.\n await set(appConfig, {\n fid: installationEntry.fid,\n registrationStatus: RequestStatus.NOT_STARTED\n });\n }\n throw e;\n }\n}\n\n/** Call if FID registration is pending in another request. */\nasync function waitUntilFidRegistration(\n appConfig: AppConfig\n): Promise<RegisteredInstallationEntry> {\n // Unfortunately, there is no way of reliably observing when a value in\n // IndexedDB changes (yet, see https://github.com/WICG/indexed-db-observers),\n // so we need to poll.\n\n let entry: InstallationEntry = await updateInstallationRequest(appConfig);\n while (entry.registrationStatus === RequestStatus.IN_PROGRESS) {\n // createInstallation request still in progress.\n await sleep(100);\n\n entry = await updateInstallationRequest(appConfig);\n }\n\n if (entry.registrationStatus === RequestStatus.NOT_STARTED) {\n // The request timed out or failed in a different call. Try again.\n const {\n installationEntry,\n registrationPromise\n } = await getInstallationEntry(appConfig);\n\n if (registrationPromise) {\n return registrationPromise;\n } else {\n // if there is no registrationPromise, entry is registered.\n return installationEntry as RegisteredInstallationEntry;\n }\n }\n\n return entry;\n}\n\n/**\n * Called only if there is a CreateInstallation request in progress.\n *\n * Updates the InstallationEntry in the DB based on the status of the\n * CreateInstallation request.\n *\n * Returns the updated InstallationEntry.\n */\nfunction updateInstallationRequest(\n appConfig: AppConfig\n): Promise<InstallationEntry> {\n return update(appConfig, oldEntry => {\n if (!oldEntry) {\n throw ERROR_FACTORY.create(ErrorCode.INSTALLATION_NOT_FOUND);\n }\n return clearTimedOutRequest(oldEntry);\n });\n}\n\nfunction clearTimedOutRequest(entry: InstallationEntry): InstallationEntry {\n if (hasInstallationRequestTimedOut(entry)) {\n return {\n fid: entry.fid,\n registrationStatus: RequestStatus.NOT_STARTED\n };\n }\n\n return entry;\n}\n\nfunction hasInstallationRequestTimedOut(\n installationEntry: InstallationEntry\n): boolean {\n return (\n installationEntry.registrationStatus === RequestStatus.IN_PROGRESS &&\n installationEntry.registrationTime + PENDING_TIMEOUT_MS < Date.now()\n );\n}\n","/**\n * @license\n * Copyright 2019 Google Inc.\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { CreateInstallationResponse } from '../interfaces/api-response';\nimport { AppConfig } from '../interfaces/app-config';\nimport {\n InProgressInstallationEntry,\n RegisteredInstallationEntry,\n RequestStatus\n} from '../interfaces/installation-entry';\nimport { INTERNAL_AUTH_VERSION, PACKAGE_VERSION } from '../util/constants';\nimport {\n extractAuthTokenInfoFromResponse,\n getErrorFromResponse,\n getHeaders,\n getInstallationsEndpoint,\n retryIfServerError\n} from './common';\n\nexport async function createInstallationRequest(\n appConfig: AppConfig,\n { fid }: InProgressInstallationEntry\n): Promise<RegisteredInstallationEntry> {\n const endpoint = getInstallationsEndpoint(appConfig);\n\n const headers = getHeaders(appConfig);\n const body = {\n fid,\n authVersion: INTERNAL_AUTH_VERSION,\n appId: appConfig.appId,\n sdkVersion: PACKAGE_VERSION\n };\n\n const request: RequestInit = {\n method: 'POST',\n headers,\n body: JSON.stringify(body)\n };\n\n const response = await retryIfServerError(() => fetch(endpoint, request));\n if (response.ok) {\n const responseValue: CreateInstallationResponse = await response.json();\n const registeredInstallationEntry: RegisteredInstallationEntry = {\n fid: responseValue.fid || fid,\n registrationStatus: RequestStatus.COMPLETED,\n refreshToken: responseValue.refreshToken,\n authToken: extractAuthTokenInfoFromResponse(responseValue.authToken)\n };\n return registeredInstallationEntry;\n } else {\n throw await getErrorFromResponse('Create Installation', response);\n }\n}\n","/**\n * @license\n * Copyright 2019 Google Inc.\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { GenerateAuthTokenResponse } from '../interfaces/api-response';\nimport { AppConfig } from '../interfaces/app-config';\nimport { FirebaseDependencies } from '../interfaces/firebase-dependencies';\nimport {\n CompletedAuthToken,\n RegisteredInstallationEntry\n} from '../interfaces/installation-entry';\nimport { PACKAGE_VERSION } from '../util/constants';\nimport {\n extractAuthTokenInfoFromResponse,\n getErrorFromResponse,\n getHeadersWithAuth,\n getInstallationsEndpoint,\n retryIfServerError\n} from './common';\n\nexport async function generateAuthTokenRequest(\n { appConfig, platformLoggerProvider }: FirebaseDependencies,\n installationEntry: RegisteredInstallationEntry\n): Promise<CompletedAuthToken> {\n const endpoint = getGenerateAuthTokenEndpoint(appConfig, installationEntry);\n\n const headers = getHeadersWithAuth(appConfig, installationEntry);\n\n // If platform logger exists, add the platform info string to the header.\n const platformLogger = platformLoggerProvider.getImmediate({\n optional: true\n });\n if (platformLogger) {\n headers.append('x-firebase-client', platformLogger.getPlatformInfoString());\n }\n\n const body = {\n installation: {\n sdkVersion: PACKAGE_VERSION\n }\n };\n\n const request: RequestInit = {\n method: 'POST',\n headers,\n body: JSON.stringify(body)\n };\n\n const response = await retryIfServerError(() => fetch(endpoint, request));\n if (response.ok) {\n const responseValue: GenerateAuthTokenResponse = await response.json();\n const completedAuthToken: CompletedAuthToken = extractAuthTokenInfoFromResponse(\n responseValue\n );\n return completedAuthToken;\n } else {\n throw await getErrorFromResponse('Generate Auth Token', response);\n }\n}\n\nfunction getGenerateAuthTokenEndpoint(\n appConfig: AppConfig,\n { fid }: RegisteredInstallationEntry\n): string {\n return `${getInstallationsEndpoint(appConfig)}/${fid}/authTokens:generate`;\n}\n","/**\n * @license\n * Copyright 2019 Google Inc.\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { generateAuthTokenRequest } from '../api/generate-auth-token-request';\nimport { AppConfig } from '../interfaces/app-config';\nimport { FirebaseDependencies } from '../interfaces/firebase-dependencies';\nimport {\n AuthToken,\n CompletedAuthToken,\n InProgressAuthToken,\n InstallationEntry,\n RegisteredInstallationEntry,\n RequestStatus\n} from '../interfaces/installation-entry';\nimport { PENDING_TIMEOUT_MS, TOKEN_EXPIRATION_BUFFER } from '../util/constants';\nimport { ERROR_FACTORY, ErrorCode, isServerError } from '../util/errors';\nimport { sleep } from '../util/sleep';\nimport { remove, set, update } from './idb-manager';\n\n/**\n * Returns a valid authentication token for the installation. Generates a new\n * token if one doesn't exist, is expired or about to expire.\n *\n * Should only be called if the Firebase Installation is registered.\n */\nexport async function refreshAuthToken(\n dependencies: FirebaseDependencies,\n forceRefresh = false\n): Promise<CompletedAuthToken> {\n let tokenPromise: Promise<CompletedAuthToken> | undefined;\n const entry = await update(dependencies.appConfig, oldEntry => {\n if (!isEntryRegistered(oldEntry)) {\n throw ERROR_FACTORY.create(ErrorCode.NOT_REGISTERED);\n }\n\n const oldAuthToken = oldEntry.authToken;\n if (!forceRefresh && isAuthTokenValid(oldAuthToken)) {\n // There is a valid token in the DB.\n return oldEntry;\n } else if (oldAuthToken.requestStatus === RequestStatus.IN_PROGRESS) {\n // There already is a token request in progress.\n tokenPromise = waitUntilAuthTokenRequest(dependencies, forceRefresh);\n return oldEntry;\n } else {\n // No token or token expired.\n if (!navigator.onLine) {\n throw ERROR_FACTORY.create(ErrorCode.APP_OFFLINE);\n }\n\n const inProgressEntry = makeAuthTokenRequestInProgressEntry(oldEntry);\n tokenPromise = fetchAuthTokenFromServer(dependencies, inProgressEntry);\n return inProgressEntry;\n }\n });\n\n const authToken = tokenPromise\n ? await tokenPromise\n : (entry.authToken as CompletedAuthToken);\n return authToken;\n}\n\n/**\n * Call only if FID is registered and Auth Token request is in progress.\n *\n * Waits until the current pending request finishes. If the request times out,\n * tries once in this thread as well.\n */\nasync function waitUntilAuthTokenRequest(\n dependencies: FirebaseDependencies,\n forceRefresh: boolean\n): Promise<CompletedAuthToken> {\n // Unfortunately, there is no way of reliably observing when a value in\n // IndexedDB changes (yet, see https://github.com/WICG/indexed-db-observers),\n // so we need to poll.\n\n let entry = await updateAuthTokenRequest(dependencies.appConfig);\n while (entry.authToken.requestStatus === RequestStatus.IN_PROGRESS) {\n // generateAuthToken still in progress.\n await sleep(100);\n\n entry = await updateAuthTokenRequest(dependencies.appConfig);\n }\n\n const authToken = entry.authToken;\n if (authToken.requestStatus === RequestStatus.NOT_STARTED) {\n // The request timed out or failed in a different call. Try again.\n return refreshAuthToken(dependencies, forceRefresh);\n } else {\n return authToken;\n }\n}\n\n/**\n * Called only if there is a GenerateAuthToken request in progress.\n *\n * Updates the InstallationEntry in the DB based on the status of the\n * GenerateAuthToken request.\n *\n * Returns the updated InstallationEntry.\n */\nfunction updateAuthTokenRequest(\n appConfig: AppConfig\n): Promise<RegisteredInstallationEntry> {\n return update(appConfig, oldEntry => {\n if (!isEntryRegistered(oldEntry)) {\n throw ERROR_FACTORY.create(ErrorCode.NOT_REGISTERED);\n }\n\n const oldAuthToken = oldEntry.authToken;\n if (hasAuthTokenRequestTimedOut(oldAuthToken)) {\n return {\n ...oldEntry,\n authToken: { requestStatus: RequestStatus.NOT_STARTED }\n };\n }\n\n return oldEntry;\n });\n}\n\nasync function fetchAuthTokenFromServer(\n dependencies: FirebaseDependencies,\n installationEntry: RegisteredInstallationEntry\n): Promise<CompletedAuthToken> {\n try {\n const authToken = await generateAuthTokenRequest(\n dependencies,\n installationEntry\n );\n const updatedInstallationEntry: RegisteredInstallationEntry = {\n ...installationEntry,\n authToken\n };\n await set(dependencies.appConfig, updatedInstallationEntry);\n return authToken;\n } catch (e) {\n if (isServerError(e) && (e.serverCode === 401 || e.serverCode === 404)) {\n // Server returned a \"FID not found\" or a \"Invalid authentication\" error.\n // Generate a new ID next time.\n await remove(dependencies.appConfig);\n } else {\n const updatedInstallationEntry: RegisteredInstallationEntry = {\n ...installationEntry,\n authToken: { requestStatus: RequestStatus.NOT_STARTED }\n };\n await set(dependencies.appConfig, updatedInstallationEntry);\n }\n throw e;\n }\n}\n\nfunction isEntryRegistered(\n installationEntry: InstallationEntry | undefined\n): installationEntry is RegisteredInstallationEntry {\n return (\n installationEntry !== undefined &&\n installationEntry.registrationStatus === RequestStatus.COMPLETED\n );\n}\n\nfunction isAuthTokenValid(authToken: AuthToken): boolean {\n return (\n authToken.requestStatus === RequestStatus.COMPLETED &&\n !isAuthTokenExpired(authToken)\n );\n}\n\nfunction isAuthTokenExpired(authToken: CompletedAuthToken): boolean {\n const now = Date.now();\n return (\n now < authToken.creationTime ||\n authToken.creationTime + authToken.expiresIn < now + TOKEN_EXPIRATION_BUFFER\n );\n}\n\n/** Returns an updated InstallationEntry with an InProgressAuthToken. */\nfunction makeAuthTokenRequestInProgressEntry(\n oldEntry: RegisteredInstallationEntry\n): RegisteredInstallationEntry {\n const inProgressAuthToken: InProgressAuthToken = {\n requestStatus: RequestStatus.IN_PROGRESS,\n requestTime: Date.now()\n };\n return {\n ...oldEntry,\n authToken: inProgressAuthToken\n };\n}\n\nfunction hasAuthTokenRequestTimedOut(authToken: AuthToken): boolean {\n return (\n authToken.requestStatus === RequestStatus.IN_PROGRESS &&\n authToken.requestTime + PENDING_TIMEOUT_MS < Date.now()\n );\n}\n","/**\n * @license\n * Copyright 2019 Google Inc.\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { getInstallationEntry } from '../helpers/get-installation-entry';\nimport { refreshAuthToken } from '../helpers/refresh-auth-token';\nimport { AppConfig } from '../interfaces/app-config';\nimport { FirebaseDependencies } from '../interfaces/firebase-dependencies';\n\nexport async function getToken(\n dependencies: FirebaseDependencies,\n forceRefresh = false\n): Promise<string> {\n await completeInstallationRegistration(dependencies.appConfig);\n\n // At this point we either have a Registered Installation in the DB, or we've\n // already thrown an error.\n const authToken = await refreshAuthToken(dependencies, forceRefresh);\n return authToken.token;\n}\n\nasync function completeInstallationRegistration(\n appConfig: AppConfig\n): Promise<void> {\n const { registrationPromise } = await getInstallationEntry(appConfig);\n\n if (registrationPromise) {\n // A createInstallation request is in progress. Wait until it finishes.\n await registrationPromise;\n }\n}\n","/**\n * @license\n * Copyright 2019 Google Inc.\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { AppConfig } from '../interfaces/app-config';\nimport { RegisteredInstallationEntry } from '../interfaces/installation-entry';\nimport {\n getErrorFromResponse,\n getHeadersWithAuth,\n getInstallationsEndpoint,\n retryIfServerError\n} from './common';\n\nexport async function deleteInstallationRequest(\n appConfig: AppConfig,\n installationEntry: RegisteredInstallationEntry\n): Promise<void> {\n const endpoint = getDeleteEndpoint(appConfig, installationEntry);\n\n const headers = getHeadersWithAuth(appConfig, installationEntry);\n const request: RequestInit = {\n method: 'DELETE',\n headers\n };\n\n const response = await retryIfServerError(() => fetch(endpoint, request));\n if (!response.ok) {\n throw await getErrorFromResponse('Delete Installation', response);\n }\n}\n\nfunction getDeleteEndpoint(\n appConfig: AppConfig,\n { fid }: RegisteredInstallationEntry\n): string {\n return `${getInstallationsEndpoint(appConfig)}/${fid}`;\n}\n","/**\n * @license\n * Copyright 2019 Google Inc.\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { addCallback, removeCallback } from '../helpers/fid-changed';\nimport { FirebaseDependencies } from '../interfaces/firebase-dependencies';\n\nexport type IdChangeCallbackFn = (installationId: string) => void;\nexport type IdChangeUnsubscribeFn = () => void;\n\n/**\n * Sets a new callback that will get called when Installation ID changes.\n * Returns an unsubscribe function that will remove the callback when called.\n */\nexport function onIdChange(\n { appConfig }: FirebaseDependencies,\n callback: IdChangeCallbackFn\n): IdChangeUnsubscribeFn {\n addCallback(appConfig, callback);\n\n return () => {\n removeCallback(appConfig, callback);\n };\n}\n","/**\n * @license\n * Copyright 2019 Google Inc.\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { FirebaseApp, FirebaseOptions } from '@firebase/app-types';\nimport { FirebaseError } from '@firebase/util';\nimport { AppConfig } from '../interfaces/app-config';\nimport { ERROR_FACTORY, ErrorCode } from '../util/errors';\n\nexport function extractAppConfig(app: FirebaseApp): AppConfig {\n if (!app || !app.options) {\n throw getMissingValueError('App Configuration');\n }\n\n if (!app.name) {\n throw getMissingValueError('App Name');\n }\n\n // Required app config keys\n const configKeys: Array<keyof FirebaseOptions> = [\n 'projectId',\n 'apiKey',\n 'appId'\n ];\n\n for (const keyName of configKeys) {\n if (!app.options[keyName]) {\n throw getMissingValueError(keyName);\n }\n }\n\n return {\n appName: app.name,\n projectId: app.options.projectId!,\n apiKey: app.options.apiKey!,\n appId: app.options.appId!\n };\n}\n\nfunction getMissingValueError(valueName: string): FirebaseError {\n return ERROR_FACTORY.create(ErrorCode.MISSING_APP_CONFIG_VALUES, {\n valueName\n });\n}\n","/**\n * @license\n * Copyright 2019 Google Inc.\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { getInstallationEntry } from '../helpers/get-installation-entry';\nimport { refreshAuthToken } from '../helpers/refresh-auth-token';\nimport { FirebaseDependencies } from '../interfaces/firebase-dependencies';\n\nexport async function getId(\n dependencies: FirebaseDependencies\n): Promise<string> {\n const { installationEntry, registrationPromise } = await getInstallationEntry(\n dependencies.appConfig\n );\n\n if (registrationPromise) {\n registrationPromise.catch(console.error);\n } else {\n // If the installation is already registered, update the authentication\n // token if needed.\n refreshAuthToken(dependencies).catch(console.error);\n }\n\n return installationEntry.fid;\n}\n","/**\n * @license\n * Copyright 2019 Google Inc.\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { deleteInstallationRequest } from '../api/delete-installation-request';\nimport { remove, update } from '../helpers/idb-manager';\nimport { FirebaseDependencies } from '../interfaces/firebase-dependencies';\nimport { RequestStatus } from '../interfaces/installation-entry';\nimport { ERROR_FACTORY, ErrorCode } from '../util/errors';\n\nexport async function deleteInstallation(\n dependencies: FirebaseDependencies\n): Promise<void> {\n const { appConfig } = dependencies;\n\n const entry = await update(appConfig, oldEntry => {\n if (oldEntry && oldEntry.registrationStatus === RequestStatus.NOT_STARTED) {\n // Delete the unregistered entry without sending a deleteInstallation request.\n return undefined;\n }\n return oldEntry;\n });\n\n if (entry) {\n if (entry.registrationStatus === RequestStatus.IN_PROGRESS) {\n // Can't delete while trying to register.\n throw ERROR_FACTORY.create(ErrorCode.DELETE_PENDING_REGISTRATION);\n } else if (entry.registrationStatus === RequestStatus.COMPLETED) {\n if (!navigator.onLine) {\n throw ERROR_FACTORY.create(ErrorCode.APP_OFFLINE);\n } else {\n await deleteInstallationRequest(appConfig, entry);\n await remove(appConfig);\n }\n }\n }\n}\n","/**\n * @license\n * Copyright 2019 Google Inc.\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { ERROR_FACTORY, ErrorCode } from '../utils/errors';\n\ndeclare global {\n interface Window {\n PerformanceObserver: typeof PerformanceObserver;\n perfMetrics?: { onFirstInputDelay: Function };\n }\n}\n\nlet apiInstance: Api | undefined;\nlet windowInstance: Window | undefined;\n\nexport type EntryType =\n | 'mark'\n | 'measure'\n | 'paint'\n | 'resource'\n | 'frame'\n | 'navigation';\n\n/**\n * This class holds a reference to various browser related objects injected by\n * set methods.\n */\nexport class Api {\n private readonly performance: Performance;\n /** PreformanceObserver constructor function. */\n private readonly PerformanceObserver: typeof PerformanceObserver;\n private readonly windowLocation: Location;\n readonly onFirstInputDelay?: Function;\n readonly localStorage?: Storage;\n readonly document: Document;\n readonly navigator: Navigator;\n\n constructor(readonly window?: Window) {\n if (!window) {\n throw ERROR_FACTORY.create(ErrorCode.NO_WINDOW);\n }\n this.performance = window.performance;\n this.PerformanceObserver = window.PerformanceObserver;\n this.windowLocation = window.location;\n this.navigator = window.navigator;\n this.document = window.document;\n if (this.navigator && this.navigator.cookieEnabled) {\n // If user blocks cookies on the browser, accessing localStorage will\n // throw an exception.\n this.localStorage = window.localStorage;\n }\n if (window.perfMetrics && window.perfMetrics.onFirstInputDelay) {\n this.onFirstInputDelay = window.perfMetrics.onFirstInputDelay;\n }\n }\n\n getUrl(): string {\n // Do not capture the string query part of url.\n return this.windowLocation.href.split('?')[0];\n }\n\n mark(name: string): void {\n if (!this.performance || !this.performance.mark) {\n return;\n }\n this.performance.mark(name);\n }\n\n measure(measureName: string, mark1: string, mark2: string): void {\n if (!this.performance || !this.performance.measure) {\n return;\n }\n this.performance.measure(measureName, mark1, mark2);\n }\n\n getEntriesByType(type: EntryType): PerformanceEntry[] {\n if (!this.performance || !this.performance.getEntriesByType) {\n return [];\n }\n return this.performance.getEntriesByType(type);\n }\n\n getEntriesByName(name: string): PerformanceEntry[] {\n if (!this.performance || !this.performance.getEntriesByName) {\n return [];\n }\n return this.performance.getEntriesByName(name);\n }\n\n getTimeOrigin(): number {\n // Polyfill the time origin with performance.timing.navigationStart.\n return (\n this.performance &&\n (this.performance.timeOrigin || this.performance.timing.navigationStart)\n );\n }\n\n requiredApisAvailable(): boolean {\n if (fetch && Promise && this.navigator && this.navigator.cookieEnabled) {\n return true;\n }\n return false;\n }\n\n setupObserver(\n entryType: EntryType,\n callback: (entry: PerformanceEntry) => void\n ): void {\n if (!this.PerformanceObserver) {\n return;\n }\n const observer = new this.PerformanceObserver(list => {\n for (const entry of list.getEntries()) {\n // `entry` is a PerformanceEntry instance.\n callback(entry);\n }\n });\n\n // Start observing the entry types you care about.\n observer.observe({ entryTypes: [entryType] });\n }\n\n static getInstance(): Api {\n if (apiInstance === undefined) {\n apiInstance = new Api(windowInstance);\n }\n return apiInstance;\n }\n}\n\nexport function setupApi(window: Window): void {\n windowInstance = window;\n}\n","/**\n * @license\n * Copyright 2019 Google Inc.\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { FirebaseApp } from '@firebase/app-types';\nimport { ERROR_FACTORY, ErrorCode } from '../utils/errors';\nimport { FirebaseInstallations } from '@firebase/installations-types';\n\nlet settingsServiceInstance: SettingsService | undefined;\n\nexport class SettingsService {\n // The variable which controls logging of automatic traces and HTTP/S network monitoring.\n instrumentationEnabled = true;\n\n // The variable which controls logging of custom traces.\n dataCollectionEnabled = true;\n\n // Configuration flags set through remote config.\n loggingEnabled = false;\n // Sampling rate between 0 and 1.\n tracesSamplingRate = 1;\n networkRequestsSamplingRate = 1;\n // Address of logging service.\n logEndPointUrl =\n 'https://firebaselogging.googleapis.com/v0cc/log?format=json_proto';\n logSource = 462;\n\n // Flags which control per session logging of traces and network requests.\n logTraceAfterSampling = false;\n logNetworkAfterSampling = false;\n\n // TTL of config retrieved from remote config in hours.\n configTimeToLive = 12;\n\n firebaseAppInstance!: FirebaseApp;\n\n installationsService!: FirebaseInstallations;\n\n getAppId(): string {\n const appId =\n this.firebaseAppInstance &&\n this.firebaseAppInstance.options &&\n this.firebaseAppInstance.options.appId;\n if (!appId) {\n throw ERROR_FACTORY.create(ErrorCode.NO_APP_ID);\n }\n return appId;\n }\n\n getProjectId(): string {\n const projectId =\n this.firebaseAppInstance &&\n this.firebaseAppInstance.options &&\n this.firebaseAppInstance.options.projectId;\n if (!projectId) {\n throw ERROR_FACTORY.create(ErrorCode.NO_PROJECT_ID);\n }\n return projectId;\n }\n\n getApiKey(): string {\n const apiKey =\n this.firebaseAppInstance &&\n this.firebaseAppInstance.options &&\n this.firebaseAppInstance.options.apiKey;\n if (!apiKey) {\n throw ERROR_FACTORY.create(ErrorCode.NO_API_KEY);\n }\n return apiKey;\n }\n\n static getInstance(): SettingsService {\n if (settingsServiceInstance === undefined) {\n settingsServiceInstance = new SettingsService();\n }\n return settingsServiceInstance;\n }\n}\n","/**\n * @license\n * Copyright 2017 Google Inc.\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { version } from '../package.json';\n\nexport const SDK_VERSION = version;\n/** The prefix for start User Timing marks used for creating Traces. */\nexport const TRACE_START_MARK_PREFIX = 'FB-PERF-TRACE-START';\n/** The prefix for stop User Timing marks used for creating Traces. */\nexport const TRACE_STOP_MARK_PREFIX = 'FB-PERF-TRACE-STOP';\n/** The prefix for User Timing measure used for creating Traces. */\nexport const TRACE_MEASURE_PREFIX = 'FB-PERF-TRACE-MEASURE';\n/** The prefix for out of the box page load Trace name. */\nexport const OOB_TRACE_PAGE_LOAD_PREFIX = '_wt_';\n\nexport const FIRST_PAINT_COUNTER_NAME = '_fp';\n\nexport const FIRST_CONTENTFUL_PAINT_COUNTER_NAME = '_fcp';\n\nexport const FIRST_INPUT_DELAY_COUNTER_NAME = '_fid';\n\nexport const CONFIG_LOCAL_STORAGE_KEY = '@firebase/performance/config';\n\nexport const CONFIG_EXPIRY_LOCAL_STORAGE_KEY =\n '@firebase/performance/configexpire';\n\nexport const SERVICE = 'performance';\nexport const SERVICE_NAME = 'Performance';\n","/**\n * @license\n * Copyright 2019 Google Inc.\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { ErrorFactory } from '@firebase/util';\nimport { SERVICE, SERVICE_NAME } from '../constants';\n\nexport const enum ErrorCode {\n TRACE_STARTED_BEFORE = 'trace started',\n TRACE_STOPPED_BEFORE = 'trace stopped',\n NO_WINDOW = 'no window',\n NO_APP_ID = 'no app id',\n NO_PROJECT_ID = 'no project id',\n NO_API_KEY = 'no api key',\n INVALID_CC_LOG = 'invalid cc log',\n FB_NOT_DEFAULT = 'FB not default',\n RC_NOT_OK = 'RC response not ok',\n INVALID_ATTRIBUTE_NAME = 'invalid attribute name',\n INVALID_ATTRIBUTE_VALUE = 'invalid attribute value',\n INVALID_CUSTOM_METRIC_NAME = 'invalide custom metric name'\n}\n\nconst ERROR_DESCRIPTION_MAP: { readonly [key in ErrorCode]: string } = {\n [ErrorCode.TRACE_STARTED_BEFORE]: 'Trace {$traceName} was started before.',\n [ErrorCode.TRACE_STOPPED_BEFORE]: 'Trace {$traceName} is not running.',\n [ErrorCode.NO_WINDOW]: 'Window is not available.',\n [ErrorCode.NO_APP_ID]: 'App id is not available.',\n [ErrorCode.NO_PROJECT_ID]: 'Project id is not available.',\n [ErrorCode.NO_API_KEY]: 'Api key is not available.',\n [ErrorCode.INVALID_CC_LOG]: 'Attempted to queue invalid cc event',\n [ErrorCode.FB_NOT_DEFAULT]:\n 'Performance can only start when Firebase app instance is the default one.',\n [ErrorCode.RC_NOT_OK]: 'RC response is not ok',\n [ErrorCode.INVALID_ATTRIBUTE_NAME]:\n 'Attribute name {$attributeName} is invalid.',\n [ErrorCode.INVALID_ATTRIBUTE_VALUE]:\n 'Attribute value {$attributeValue} is invalid.',\n [ErrorCode.INVALID_CUSTOM_METRIC_NAME]:\n 'Custom metric name {$customMetricName} is invalid'\n};\n\ninterface ErrorParams {\n [ErrorCode.TRACE_STARTED_BEFORE]: { traceName: string };\n [ErrorCode.TRACE_STOPPED_BEFORE]: { traceName: string };\n [ErrorCode.INVALID_ATTRIBUTE_NAME]: { attributeName: string };\n [ErrorCode.INVALID_ATTRIBUTE_VALUE]: { attributeValue: string };\n [ErrorCode.INVALID_CUSTOM_METRIC_NAME]: { customMetricName: string };\n}\n\nexport const ERROR_FACTORY = new ErrorFactory<ErrorCode, ErrorParams>(\n SERVICE,\n SERVICE_NAME,\n ERROR_DESCRIPTION_MAP\n);\n","/**\n * @license\n * Copyright 2019 Google Inc.\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\nimport { SettingsService } from './settings_service';\n\nlet iid: string | undefined;\nlet authToken: string | undefined;\n\nexport function getIidPromise(): Promise<string> {\n const iidPromise = SettingsService.getInstance().installationsService.getId();\n // eslint-disable-next-line @typescript-eslint/no-floating-promises\n iidPromise.then((iidVal: string) => {\n iid = iidVal;\n });\n return iidPromise;\n}\n\n// This method should be used after the iid is retrieved by getIidPromise method.\nexport function getIid(): string | undefined {\n return iid;\n}\n\nexport function getAuthTokenPromise(): Promise<string> {\n const authTokenPromise = SettingsService.getInstance().installationsService.getToken();\n // eslint-disable-next-line @typescript-eslint/no-floating-promises\n authTokenPromise.then((authTokenVal: string) => {\n authToken = authTokenVal;\n });\n return authTokenPromise;\n}\n\nexport function getAuthenticationToken(): string | undefined {\n return authToken;\n}\n","/**\n * @license\n * Copyright 2019 Google Inc.\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { Api } from '../services/api_service';\n\n// The values and orders of the following enums should not be changed.\nconst enum ServiceWorkerStatus {\n UNKNOWN = 0,\n UNSUPPORTED = 1,\n CONTROLLED = 2,\n UNCONTROLLED = 3\n}\n\nexport enum VisibilityState {\n UNKNOWN = 0,\n VISIBLE = 1,\n HIDDEN = 2\n}\n\nconst enum EffectiveConnectionType {\n UNKNOWN = 0,\n CONNECTION_SLOW_2G = 1,\n CONNECTION_2G = 2,\n CONNECTION_3G = 3,\n CONNECTION_4G = 4\n}\n\n/**\n * NetworkInformation\n *\n * ref: https://developer.mozilla.org/en-US/docs/Web/API/NetworkInformation\n */\ninterface NetworkInformation {\n readonly effectiveType?: 'slow-2g' | '2g' | '3g' | '4g';\n}\n\ninterface NavigatorWithConnection extends Navigator {\n readonly connection: NetworkInformation;\n}\n\nconst RESERVED_ATTRIBUTE_PREFIXES = ['firebase_', 'google_', 'ga_'];\nconst ATTRIBUTE_FORMAT_REGEX = new RegExp('^[a-zA-Z]\\\\w*$');\nconst MAX_ATTRIBUTE_NAME_LENGTH = 40;\nconst MAX_ATTRIBUTE_VALUE_LENGTH = 100;\n\nexport function getServiceWorkerStatus(): ServiceWorkerStatus {\n const navigator = Api.getInstance().navigator;\n if ('serviceWorker' in navigator) {\n if (navigator.serviceWorker.controller) {\n return ServiceWorkerStatus.CONTROLLED;\n } else {\n return ServiceWorkerStatus.UNCONTROLLED;\n }\n } else {\n return ServiceWorkerStatus.UNSUPPORTED;\n }\n}\n\nexport function getVisibilityState(): VisibilityState {\n const document = Api.getInstance().document;\n const visibilityState = document.visibilityState;\n switch (visibilityState) {\n case 'visible':\n return VisibilityState.VISIBLE;\n case 'hidden':\n return VisibilityState.HIDDEN;\n default:\n return VisibilityState.UNKNOWN;\n }\n}\n\nexport function getEffectiveConnectionType(): EffectiveConnectionType {\n const navigator = Api.getInstance().navigator;\n const navigatorConnection = (navigator as NavigatorWithConnection).connection;\n const effectiveType =\n navigatorConnection && navigatorConnection.effectiveType;\n switch (effectiveType) {\n case 'slow-2g':\n return EffectiveConnectionType.CONNECTION_SLOW_2G;\n case '2g':\n return EffectiveConnectionType.CONNECTION_2G;\n case '3g':\n return EffectiveConnectionType.CONNECTION_3G;\n case '4g':\n return EffectiveConnectionType.CONNECTION_4G;\n default:\n return EffectiveConnectionType.UNKNOWN;\n }\n}\n\nexport function isValidCustomAttributeName(name: string): boolean {\n if (name.length === 0 || name.length > MAX_ATTRIBUTE_NAME_LENGTH) {\n return false;\n }\n const matchesReservedPrefix = RESERVED_ATTRIBUTE_PREFIXES.some(prefix =>\n name.startsWith(prefix)\n );\n return !matchesReservedPrefix && !!name.match(ATTRIBUTE_FORMAT_REGEX);\n}\n\nexport function isValidCustomAttributeValue(value: string): boolean {\n return value.length !== 0 && value.length <= MAX_ATTRIBUTE_VALUE_LENGTH;\n}\n","/**\n * @license\n * Copyright 2019 Google Inc.\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { Logger, LogLevel } from '@firebase/logger';\nimport { SERVICE_NAME } from '../constants';\n\nexport const consoleLogger = new Logger(SERVICE_NAME);\nconsoleLogger.logLevel = LogLevel.INFO;\n","/**\n * @license\n * Copyright 2019 Google Inc.\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n CONFIG_EXPIRY_LOCAL_STORAGE_KEY,\n CONFIG_LOCAL_STORAGE_KEY,\n SDK_VERSION\n} from '../constants';\nimport { consoleLogger } from '../utils/console_logger';\nimport { ERROR_FACTORY, ErrorCode } from '../utils/errors';\n\nimport { Api } from './api_service';\nimport { getAuthTokenPromise } from './iid_service';\nimport { SettingsService } from './settings_service';\n\nconst REMOTE_CONFIG_SDK_VERSION = '0.0.1';\n\ninterface SecondaryConfig {\n loggingEnabled?: boolean;\n logEndPointUrl?: string;\n logSource?: number;\n tracesSamplingRate?: number;\n networkRequestsSamplingRate?: number;\n}\n\n// These values will be used if the remote config object is successfully\n// retrieved, but the template does not have these fields.\nconst SECONDARY_CONFIGS: SecondaryConfig = {\n loggingEnabled: true\n};\n\n/* eslint-disable camelcase */\ninterface RemoteConfigTemplate {\n fpr_enabled?: string;\n fpr_log_source?: string;\n fpr_log_endpoint_url?: string;\n fpr_vc_network_request_sampling_rate?: string;\n fpr_vc_trace_sampling_rate?: string;\n fpr_vc_session_sampling_rate?: string;\n}\n/* eslint-enable camelcase */\n\ninterface RemoteConfigResponse {\n entries?: RemoteConfigTemplate;\n state?: string;\n}\n\nconst FIS_AUTH_PREFIX = 'FIREBASE_INSTALLATIONS_AUTH';\n\nexport function getConfig(iid: string): Promise<void> {\n const config = getStoredConfig();\n if (config) {\n processConfig(config);\n return Promise.resolve();\n }\n\n return getRemoteConfig(iid)\n .then(config => processConfig(config))\n .then(\n config => storeConfig(config),\n /** Do nothing for error, use defaults set in settings service. */\n () => {}\n );\n}\n\nfunction getStoredConfig(): RemoteConfigResponse | undefined {\n const localStorage = Api.getInstance().localStorage;\n if (!localStorage) {\n return;\n }\n const expiryString = localStorage.getItem(CONFIG_EXPIRY_LOCAL_STORAGE_KEY);\n if (!expiryString || !configValid(expiryString)) {\n return;\n }\n\n const configStringified = localStorage.getItem(CONFIG_LOCAL_STORAGE_KEY);\n if (!configStringified) {\n return;\n }\n try {\n const configResponse: RemoteConfigResponse = JSON.parse(configStringified);\n return configResponse;\n } catch {\n return;\n }\n}\n\nfunction storeConfig(config: RemoteConfigResponse | undefined): void {\n const localStorage = Api.getInstance().localStorage;\n if (!config || !localStorage) {\n return;\n }\n\n localStorage.setItem(CONFIG_LOCAL_STORAGE_KEY, JSON.stringify(config));\n localStorage.setItem(\n CONFIG_EXPIRY_LOCAL_STORAGE_KEY,\n String(\n Date.now() +\n SettingsService.getInstance().configTimeToLive * 60 * 60 * 1000\n )\n );\n}\n\nconst COULD_NOT_GET_CONFIG_MSG =\n 'Could not fetch config, will use default configs';\n\nfunction getRemoteConfig(\n iid: string\n): Promise<RemoteConfigResponse | undefined> {\n // Perf needs auth token only to retrieve remote config.\n return getAuthTokenPromise()\n .then(authToken => {\n const projectId = SettingsService.getInstance().getProjectId();\n const configEndPoint = `https://firebaseremoteconfig.googleapis.com/v1/projects/${projectId}/namespaces/fireperf:fetch?key=${SettingsService.getInstance().getApiKey()}`;\n const request = new Request(configEndPoint, {\n method: 'POST',\n headers: { Authorization: `${FIS_AUTH_PREFIX} ${authToken}` },\n /* eslint-disable camelcase */\n body: JSON.stringify({\n app_instance_id: iid,\n app_instance_id_token: authToken,\n app_id: SettingsService.getInstance().getAppId(),\n app_version: SDK_VERSION,\n sdk_version: REMOTE_CONFIG_SDK_VERSION\n })\n /* eslint-enable camelcase */\n });\n return fetch(request).then(response => {\n if (response.ok) {\n return response.json() as RemoteConfigResponse;\n }\n // In case response is not ok. This will be caught by catch.\n throw ERROR_FACTORY.create(ErrorCode.RC_NOT_OK);\n });\n })\n .catch(() => {\n consoleLogger.info(COULD_NOT_GET_CONFIG_MSG);\n return undefined;\n });\n}\n\n/**\n * Processes config coming either from calling RC or from local storage.\n * This method only runs if call is successful or config in storage\n * is valie.\n */\nfunction processConfig(\n config: RemoteConfigResponse | undefined\n): RemoteConfigResponse | undefined {\n if (!config) {\n return config;\n }\n const settingsServiceInstance = SettingsService.getInstance();\n const entries = config.entries || {};\n if (entries.fpr_enabled !== undefined) {\n // TODO: Change the assignment of loggingEnabled once the received type is\n // known.\n settingsServiceInstance.loggingEnabled =\n String(entries.fpr_enabled) === 'true';\n } else if (SECONDARY_CONFIGS.loggingEnabled !== undefined) {\n // Config retrieved successfully, but there is no fpr_enabled in template.\n // Use secondary configs value.\n settingsServiceInstance.loggingEnabled = SECONDARY_CONFIGS.loggingEnabled;\n }\n if (entries.fpr_log_source) {\n settingsServiceInstance.logSource = Number(entries.fpr_log_source);\n } else if (SECONDARY_CONFIGS.logSource) {\n settingsServiceInstance.logSource = SECONDARY_CONFIGS.logSource;\n }\n if (entries.fpr_log_endpoint_url) {\n settingsServiceInstance.logEndPointUrl = entries.fpr_log_endpoint_url;\n } else if (SECONDARY_CONFIGS.logEndPointUrl) {\n settingsServiceInstance.logEndPointUrl = SECONDARY_CONFIGS.logEndPointUrl;\n }\n if (entries.fpr_vc_network_request_sampling_rate !== undefined) {\n settingsServiceInstance.networkRequestsSamplingRate = Number(\n entries.fpr_vc_network_request_sampling_rate\n );\n } else if (SECONDARY_CONFIGS.networkRequestsSamplingRate !== undefined) {\n settingsServiceInstance.networkRequestsSamplingRate =\n SECONDARY_CONFIGS.networkRequestsSamplingRate;\n }\n if (entries.fpr_vc_trace_sampling_rate !== undefined) {\n settingsServiceInstance.tracesSamplingRate = Number(\n entries.fpr_vc_trace_sampling_rate\n );\n } else if (SECONDARY_CONFIGS.tracesSamplingRate !== undefined) {\n settingsServiceInstance.tracesSamplingRate =\n SECONDARY_CONFIGS.tracesSamplingRate;\n }\n // Set the per session trace and network logging flags.\n settingsServiceInstance.logTraceAfterSampling = shouldLogAfterSampling(\n settingsServiceInstance.tracesSamplingRate\n );\n settingsServiceInstance.logNetworkAfterSampling = shouldLogAfterSampling(\n settingsServiceInstance.networkRequestsSamplingRate\n );\n return config;\n}\n\nfunction configValid(expiry: string): boolean {\n return Number(expiry) > Date.now();\n}\n\nfunction shouldLogAfterSampling(samplingRate: number): boolean {\n return Math.random() <= samplingRate;\n}\n","/**\n * @license\n * Copyright 2019 Google Inc.\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { getIidPromise } from './iid_service';\nimport { getConfig } from './remote_config_service';\nimport { Api } from './api_service';\n\nconst enum InitializationStatus {\n notInitialized = 1,\n initializationPending,\n initialized\n}\n\nlet initializationStatus = InitializationStatus.notInitialized;\n\nlet initializationPromise: Promise<void> | undefined;\n\nexport function getInitializationPromise(): Promise<void> {\n initializationStatus = InitializationStatus.initializationPending;\n\n initializationPromise = initializationPromise || initializePerf();\n\n return initializationPromise;\n}\n\nexport function isPerfInitialized(): boolean {\n return initializationStatus === InitializationStatus.initialized;\n}\n\nfunction initializePerf(): Promise<void> {\n return getDocumentReadyComplete()\n .then(() => getIidPromise())\n .then(iid => getConfig(iid))\n .then(\n () => changeInitializationStatus(),\n () => changeInitializationStatus()\n );\n}\n\n/**\n * Returns a promise which resolves whenever the document readystate is complete or\n * immediately if it is called after page load complete.\n */\nfunction getDocumentReadyComplete(): Promise<void> {\n const document = Api.getInstance().document;\n return new Promise(resolve => {\n if (document && document.readyState !== 'complete') {\n const handler = (): void => {\n if (document.readyState === 'complete') {\n document.removeEventListener('readystatechange', handler);\n resolve();\n }\n };\n document.addEventListener('readystatechange', handler);\n } else {\n resolve();\n }\n });\n}\n\nfunction changeInitializationStatus(): void {\n initializationStatus = InitializationStatus.initialized;\n}\n","/**\n * @license\n * Copyright 2019 Google Inc.\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { SettingsService } from './settings_service';\nimport { ERROR_FACTORY, ErrorCode } from '../utils/errors';\nimport { consoleLogger } from '../utils/console_logger';\n\nconst DEFAULT_SEND_INTERVAL_MS = 10 * 1000;\nconst INITIAL_SEND_TIME_DELAY_MS = 5.5 * 1000;\n// If end point does not work, the call will be tried for these many times.\nconst DEFAULT_REMAINING_TRIES = 3;\nlet remainingTries = DEFAULT_REMAINING_TRIES;\n\ninterface BatchEvent {\n message: string;\n eventTime: number;\n}\n\n/* eslint-disable camelcase */\n// CC accepted log format.\ninterface CcBatchLogFormat {\n request_time_ms: string;\n client_info: ClientInfo;\n log_source: number;\n log_event: Log[];\n}\n\ninterface ClientInfo {\n client_type: number;\n js_client_info: {};\n}\n\ninterface Log {\n source_extension_json_proto3: string;\n event_time_ms: string;\n}\n/* eslint-enable camelcase */\n\nlet queue: BatchEvent[] = [];\n\nlet isTransportSetup: boolean = false;\n\nexport function setupTransportService(): void {\n if (!isTransportSetup) {\n processQueue(INITIAL_SEND_TIME_DELAY_MS);\n isTransportSetup = true;\n }\n}\n\nfunction processQueue(timeOffset: number): void {\n setTimeout(() => {\n // If there is no remainingTries left, stop retrying.\n if (remainingTries === 0) {\n return;\n }\n\n // If there are no events to process, wait for DEFAULT_SEND_INTERVAL_MS and try again.\n if (!queue.length) {\n return processQueue(DEFAULT_SEND_INTERVAL_MS);\n }\n\n // Capture a snapshot of the queue and empty the \"official queue\".\n const staged = [...queue];\n queue = [];\n\n /* eslint-disable camelcase */\n // We will pass the JSON serialized event to the backend.\n const log_event: Log[] = staged.map(evt => ({\n source_extension_json_proto3: evt.message,\n event_time_ms: String(evt.eventTime)\n }));\n\n const data: CcBatchLogFormat = {\n request_time_ms: String(Date.now()),\n client_info: {\n client_type: 1, // 1 is JS\n js_client_info: {}\n },\n log_source: SettingsService.getInstance().logSource,\n log_event\n };\n /* eslint-enable camelcase */\n\n fetch(SettingsService.getInstance().logEndPointUrl, {\n method: 'POST',\n body: JSON.stringify(data)\n })\n .then(res => {\n if (!res.ok) {\n consoleLogger.info('Call to Firebase backend failed.');\n }\n return res.json();\n })\n .then(res => {\n const wait = Number(res.next_request_wait_millis);\n\n // Find the next call wait time from the response.\n const requestOffset = isNaN(wait)\n ? DEFAULT_SEND_INTERVAL_MS\n : Math.max(DEFAULT_SEND_INTERVAL_MS, wait);\n remainingTries = DEFAULT_REMAINING_TRIES;\n // Schedule the next process.\n processQueue(requestOffset);\n })\n .catch(() => {\n /**\n * If the request fails for some reason, add the events that were attempted\n * back to the primary queue to retry later.\n */\n queue = [...staged, ...queue];\n remainingTries--;\n consoleLogger.info(`Tries left: ${remainingTries}.`);\n processQueue(DEFAULT_SEND_INTERVAL_MS);\n });\n }, timeOffset);\n}\n\nfunction addToQueue(evt: BatchEvent): void {\n if (!evt.eventTime || !evt.message) {\n throw ERROR_FACTORY.create(ErrorCode.INVALID_CC_LOG);\n }\n // Add the new event to the queue.\n queue = [...queue, evt];\n}\n\n/** Log handler for cc service to send the performance logs to the server. */\nexport function transportHandler(\n // eslint-disable-next-line @typescript-eslint/no-explicit-any\n serializer: (...args: any[]) => string\n): (...args: unknown[]) => void {\n return (...args) => {\n const message = serializer(...args);\n addToQueue({\n message,\n eventTime: Date.now()\n });\n };\n}\n","/**\n * @license\n * Copyright 2019 Google Inc.\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { getIid } from './iid_service';\nimport { NetworkRequest } from '../resources/network_request';\nimport { Trace } from '../resources/trace';\nimport { Api } from './api_service';\nimport { SettingsService } from './settings_service';\nimport {\n getServiceWorkerStatus,\n getVisibilityState,\n VisibilityState,\n getEffectiveConnectionType\n} from '../utils/attributes_utils';\nimport {\n isPerfInitialized,\n getInitializationPromise\n} from './initialization_service';\nimport { transportHandler } from './transport_service';\nimport { SDK_VERSION } from '../constants';\n\nconst enum ResourceType {\n NetworkRequest,\n Trace\n}\n\n/* eslint-disable camelcase */\ninterface ApplicationInfo {\n google_app_id: string;\n app_instance_id?: string;\n web_app_info: WebAppInfo;\n application_process_state: number;\n}\n\ninterface WebAppInfo {\n sdk_version: string;\n page_url: string;\n service_worker_status: number;\n visibility_state: number;\n effective_connection_type: number;\n}\n\ninterface PerfNetworkLog {\n application_info: ApplicationInfo;\n network_request_metric: NetworkRequestMetric;\n}\n\ninterface PerfTraceLog {\n application_info: ApplicationInfo;\n trace_metric: TraceMetric;\n}\n\ninterface NetworkRequestMetric {\n url: string;\n http_method: number;\n http_response_code: number;\n response_payload_bytes?: number;\n client_start_time_us?: number;\n time_to_response_initiated_us?: number;\n time_to_response_completed_us?: number;\n}\n\ninterface TraceMetric {\n name: string;\n is_auto: boolean;\n client_start_time_us: number;\n duration_us: number;\n counters?: { [key: string]: number };\n custom_attributes?: { [key: string]: string };\n}\n\n/* eslint-enble camelcase */\n\nlet logger: (\n resource: NetworkRequest | Trace,\n resourceType: ResourceType\n) => void | undefined;\n// This method is not called before initialization.\nfunction sendLog(\n resource: NetworkRequest | Trace,\n resourceType: ResourceType\n): void {\n if (!logger) {\n logger = transportHandler(serializer);\n }\n logger(resource, resourceType);\n}\n\nexport function logTrace(trace: Trace): void {\n const settingsService = SettingsService.getInstance();\n // Do not log if trace is auto generated and instrumentation is disabled.\n if (!settingsService.instrumentationEnabled && trace.isAuto) {\n return;\n }\n // Do not log if trace is custom and data collection is disabled.\n if (!settingsService.dataCollectionEnabled && !trace.isAuto) {\n return;\n }\n // Do not log if required apis are not available.\n if (!Api.getInstance().requiredApisAvailable()) {\n return;\n }\n // Only log the page load auto traces if page is visible.\n if (trace.isAuto && getVisibilityState() !== VisibilityState.VISIBLE) {\n return;\n }\n\n if (\n !settingsService.loggingEnabled ||\n !settingsService.logTraceAfterSampling\n ) {\n return;\n }\n\n if (isPerfInitialized()) {\n sendTraceLog(trace);\n } else {\n // Custom traces can be used before the initialization but logging\n // should wait until after.\n getInitializationPromise().then(\n () => sendTraceLog(trace),\n () => sendTraceLog(trace)\n );\n }\n}\n\nfunction sendTraceLog(trace: Trace): void {\n if (getIid()) {\n setTimeout(() => sendLog(trace, ResourceType.Trace), 0);\n }\n}\n\nexport function logNetworkRequest(networkRequest: NetworkRequest): void {\n const settingsService = SettingsService.getInstance();\n // Do not log network requests if instrumentation is disabled.\n if (!settingsService.instrumentationEnabled) {\n return;\n }\n // Do not log the js sdk's call to cc service to avoid unnecessary cycle.\n if (networkRequest.url === settingsService.logEndPointUrl.split('?')[0]) {\n return;\n }\n\n if (\n !settingsService.loggingEnabled ||\n !settingsService.logNetworkAfterSampling\n ) {\n return;\n }\n\n setTimeout(() => sendLog(networkRequest, ResourceType.NetworkRequest), 0);\n}\n\nfunction serializer(\n resource: NetworkRequest | Trace,\n resourceType: ResourceType\n): string {\n if (resourceType === ResourceType.NetworkRequest) {\n return serializeNetworkRequest(resource as NetworkRequest);\n }\n return serializeTrace(resource as Trace);\n}\n\nfunction serializeNetworkRequest(networkRequest: NetworkRequest): string {\n const networkRequestMetric: NetworkRequestMetric = {\n url: networkRequest.url,\n http_method: networkRequest.httpMethod || 0,\n http_response_code: 200,\n response_payload_bytes: networkRequest.responsePayloadBytes,\n client_start_time_us: networkRequest.startTimeUs,\n time_to_response_initiated_us: networkRequest.timeToResponseInitiatedUs,\n time_to_response_completed_us: networkRequest.timeToResponseCompletedUs\n };\n const perfMetric: PerfNetworkLog = {\n application_info: getApplicationInfo(),\n network_request_metric: networkRequestMetric\n };\n return JSON.stringify(perfMetric);\n}\n\nfunction serializeTrace(trace: Trace): string {\n const traceMetric: TraceMetric = {\n name: trace.name,\n is_auto: trace.isAuto,\n client_start_time_us: trace.startTimeUs,\n duration_us: trace.durationUs\n };\n\n if (Object.keys(trace.counters).length !== 0) {\n traceMetric.counters = trace.counters;\n }\n const customAttributes = trace.getAttributes();\n if (Object.keys(customAttributes).length !== 0) {\n traceMetric.custom_attributes = customAttributes;\n }\n\n const perfMetric: PerfTraceLog = {\n application_info: getApplicationInfo(),\n trace_metric: traceMetric\n };\n return JSON.stringify(perfMetric);\n}\n\nfunction getApplicationInfo(): ApplicationInfo {\n return {\n google_app_id: SettingsService.getInstance().getAppId(),\n app_instance_id: getIid(),\n web_app_info: {\n sdk_version: SDK_VERSION,\n page_url: Api.getInstance().getUrl(),\n service_worker_status: getServiceWorkerStatus(),\n visibility_state: getVisibilityState(),\n effective_connection_type: getEffectiveConnectionType()\n },\n application_process_state: 0\n };\n}\n","/**\n * @license\n * Copyright 2019 Google Inc.\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n FIRST_PAINT_COUNTER_NAME,\n FIRST_CONTENTFUL_PAINT_COUNTER_NAME,\n FIRST_INPUT_DELAY_COUNTER_NAME,\n OOB_TRACE_PAGE_LOAD_PREFIX\n} from '../constants';\n\nconst MAX_METRIC_NAME_LENGTH = 100;\nconst RESERVED_AUTO_PREFIX = '_';\nconst oobMetrics = [\n FIRST_PAINT_COUNTER_NAME,\n FIRST_CONTENTFUL_PAINT_COUNTER_NAME,\n FIRST_INPUT_DELAY_COUNTER_NAME\n];\n\n/**\n * Returns true if the metric is custom and does not start with reserved prefix, or if\n * the metric is one of out of the box page load trace metrics.\n */\nexport function isValidMetricName(name: string, traceName?: string): boolean {\n if (name.length === 0 || name.length > MAX_METRIC_NAME_LENGTH) {\n return false;\n }\n return (\n (traceName &&\n traceName.startsWith(OOB_TRACE_PAGE_LOAD_PREFIX) &&\n oobMetrics.indexOf(name) > -1) ||\n !name.startsWith(RESERVED_AUTO_PREFIX)\n );\n}\n","/**\n * @license\n * Copyright 2019 Google Inc.\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n TRACE_START_MARK_PREFIX,\n TRACE_STOP_MARK_PREFIX,\n TRACE_MEASURE_PREFIX,\n OOB_TRACE_PAGE_LOAD_PREFIX,\n FIRST_PAINT_COUNTER_NAME,\n FIRST_CONTENTFUL_PAINT_COUNTER_NAME,\n FIRST_INPUT_DELAY_COUNTER_NAME\n} from '../constants';\nimport { Api } from '../services/api_service';\nimport { logTrace } from '../services/perf_logger';\nimport { ERROR_FACTORY, ErrorCode } from '../utils/errors';\nimport {\n isValidCustomAttributeName,\n isValidCustomAttributeValue\n} from '../utils/attributes_utils';\nimport { isValidMetricName } from '../utils/metric_utils';\nimport { PerformanceTrace } from '@firebase/performance-types';\n\nconst enum TraceState {\n UNINITIALIZED = 1,\n RUNNING,\n TERMINATED\n}\n\nexport class Trace implements PerformanceTrace {\n private state: TraceState = TraceState.UNINITIALIZED;\n startTimeUs!: number;\n durationUs!: number;\n private customAttributes: { [key: string]: string } = {};\n counters: { [counterName: string]: number } = {};\n private api = Api.getInstance();\n private randomId = Math.floor(Math.random() * 1000000);\n private traceStartMark!: string;\n private traceStopMark!: string;\n private traceMeasure!: string;\n\n /**\n * @param name The name of the trace.\n * @param isAuto If the trace is auto-instrumented.\n * @param traceMeasureName The name of the measure marker in user timing specification. This field\n * is only set when the trace is built for logging when the user directly uses the user timing\n * api (performance.mark and performance.measure).\n */\n constructor(\n readonly name: string,\n readonly isAuto = false,\n traceMeasureName?: string\n ) {\n if (!this.isAuto) {\n this.traceStartMark = `${TRACE_START_MARK_PREFIX}-${this.randomId}-${this.name}`;\n this.traceStopMark = `${TRACE_STOP_MARK_PREFIX}-${this.randomId}-${this.name}`;\n this.traceMeasure =\n traceMeasureName ||\n `${TRACE_MEASURE_PREFIX}-${this.randomId}-${this.name}`;\n\n if (traceMeasureName) {\n // For the case of direct user timing traces, no start stop will happen. The measure object\n // is already available.\n this.calculateTraceMetrics();\n }\n }\n }\n\n /**\n * Starts a trace. The measurement of the duration starts at this point.\n */\n start(): void {\n if (this.state !== TraceState.UNINITIALIZED) {\n throw ERROR_FACTORY.create(ErrorCode.TRACE_STARTED_BEFORE, {\n traceName: this.name\n });\n }\n this.api.mark(this.traceStartMark);\n this.state = TraceState.RUNNING;\n }\n\n /**\n * Stops the trace. The measurement of the duration of the trace stops at this point and trace\n * is logged.\n */\n stop(): void {\n if (this.state !== TraceState.RUNNING) {\n throw ERROR_FACTORY.create(ErrorCode.TRACE_STOPPED_BEFORE, {\n traceName: this.name\n });\n }\n this.state = TraceState.TERMINATED;\n this.api.mark(this.traceStopMark);\n this.api.measure(\n this.traceMeasure,\n this.traceStartMark,\n this.traceStopMark\n );\n this.calculateTraceMetrics();\n logTrace(this);\n }\n\n /**\n * Records a trace with predetermined values. If this method is used a trace is created and logged\n * directly. No need to use start and stop methods.\n * @param startTime Trace start time since epoch in millisec\n * @param duration The duraction of the trace in millisec\n * @param options An object which can optionally hold maps of custom metrics and custom attributes\n */\n record(\n startTime: number,\n duration: number,\n options?: {\n metrics?: { [key: string]: number };\n attributes?: { [key: string]: string };\n }\n ): void {\n this.durationUs = Math.floor(duration * 1000);\n this.startTimeUs = Math.floor(startTime * 1000);\n if (options && options.attributes) {\n this.customAttributes = { ...options.attributes };\n }\n if (options && options.metrics) {\n for (const metric of Object.keys(options.metrics)) {\n if (!isNaN(Number(options.metrics[metric]))) {\n this.counters[metric] = Number(Math.floor(options.metrics[metric]));\n }\n }\n }\n logTrace(this);\n }\n\n /**\n * Increments a custom metric by a certain number or 1 if number not specified. Will create a new\n * custom metric if one with the given name does not exist.\n * @param counter Name of the custom metric\n * @param num Increment by value\n */\n incrementMetric(counter: string, num = 1): void {\n if (this.counters[counter] === undefined) {\n this.putMetric(counter, 0);\n }\n this.counters[counter] += num;\n }\n\n /**\n * Sets a custom metric to a specified value. Will create a new custom metric if one with the\n * given name does not exist.\n * @param counter Name of the custom metric\n * @param num Set custom metric to this value\n */\n putMetric(counter: string, num: number): void {\n if (isValidMetricName(counter, this.name)) {\n this.counters[counter] = num;\n } else {\n throw ERROR_FACTORY.create(ErrorCode.INVALID_CUSTOM_METRIC_NAME, {\n customMetricName: counter\n });\n }\n }\n\n /**\n * Returns the value of the custom metric by that name. If a custom metric with that name does\n * not exist will return zero.\n * @param counter\n */\n getMetric(counter: string): number {\n return this.counters[counter] || 0;\n }\n\n /**\n * Sets a custom attribute of a trace to a certain value.\n * @param attr\n * @param value\n */\n putAttribute(attr: string, value: string): void {\n const isValidName = isValidCustomAttributeName(attr);\n const isValidValue = isValidCustomAttributeValue(value);\n if (isValidName && isValidValue) {\n this.customAttributes[attr] = value;\n return;\n }\n // Throw appropriate error when the attribute name or value is invalid.\n if (!isValidName) {\n throw ERROR_FACTORY.create(ErrorCode.INVALID_ATTRIBUTE_NAME, {\n attributeName: attr\n });\n }\n if (!isValidValue) {\n throw ERROR_FACTORY.create(ErrorCode.INVALID_ATTRIBUTE_VALUE, {\n attributeValue: value\n });\n }\n }\n\n /**\n * Retrieves the value a custom attribute of a trace is set to.\n * @param attr\n */\n getAttribute(attr: string): string | undefined {\n return this.customAttributes[attr];\n }\n\n removeAttribute(attr: string): void {\n if (this.customAttributes[attr] === undefined) {\n return;\n }\n delete this.customAttributes[attr];\n }\n\n getAttributes(): { [key: string]: string } {\n return { ...this.customAttributes };\n }\n\n private setStartTime(startTime: number): void {\n this.startTimeUs = startTime;\n }\n\n private setDuration(duration: number): void {\n this.durationUs = duration;\n }\n\n /**\n * Calculates and assigns the duration and start time of the trace using the measure performance\n * entry.\n */\n private calculateTraceMetrics(): void {\n const perfMeasureEntries = this.api.getEntriesByName(this.traceMeasure);\n const perfMeasureEntry = perfMeasureEntries && perfMeasureEntries[0];\n if (perfMeasureEntry) {\n this.durationUs = Math.floor(perfMeasureEntry.duration * 1000);\n this.startTimeUs = Math.floor(\n (perfMeasureEntry.startTime + this.api.getTimeOrigin()) * 1000\n );\n }\n }\n\n /**\n * @param navigationTimings A single element array which contains the navigationTIming object of\n * the page load\n * @param paintTimings A array which contains paintTiming object of the page load\n * @param firstInputDelay First input delay in millisec\n */\n static createOobTrace(\n navigationTimings: PerformanceNavigationTiming[],\n paintTimings: PerformanceEntry[],\n firstInputDelay?: number\n ): void {\n const route = Api.getInstance().getUrl();\n if (!route) {\n return;\n }\n const trace = new Trace(OOB_TRACE_PAGE_LOAD_PREFIX + route, true);\n const timeOriginUs = Math.floor(Api.getInstance().getTimeOrigin() * 1000);\n trace.setStartTime(timeOriginUs);\n\n // navigationTimings includes only one element.\n if (navigationTimings && navigationTimings[0]) {\n trace.setDuration(Math.floor(navigationTimings[0].duration * 1000));\n trace.putMetric(\n 'domInteractive',\n Math.floor(navigationTimings[0].domInteractive * 1000)\n );\n trace.putMetric(\n 'domContentLoadedEventEnd',\n Math.floor(navigationTimings[0].domContentLoadedEventEnd * 1000)\n );\n trace.putMetric(\n 'loadEventEnd',\n Math.floor(navigationTimings[0].loadEventEnd * 1000)\n );\n }\n\n const FIRST_PAINT = 'first-paint';\n const FIRST_CONTENTFUL_PAINT = 'first-contentful-paint';\n if (paintTimings) {\n const firstPaint = paintTimings.find(\n paintObject => paintObject.name === FIRST_PAINT\n );\n if (firstPaint && firstPaint.startTime) {\n trace.putMetric(\n FIRST_PAINT_COUNTER_NAME,\n Math.floor(firstPaint.startTime * 1000)\n );\n }\n const firstContentfulPaint = paintTimings.find(\n paintObject => paintObject.name === FIRST_CONTENTFUL_PAINT\n );\n if (firstContentfulPaint && firstContentfulPaint.startTime) {\n trace.putMetric(\n FIRST_CONTENTFUL_PAINT_COUNTER_NAME,\n Math.floor(firstContentfulPaint.startTime * 1000)\n );\n }\n\n if (firstInputDelay) {\n trace.putMetric(\n FIRST_INPUT_DELAY_COUNTER_NAME,\n Math.floor(firstInputDelay * 1000)\n );\n }\n }\n\n logTrace(trace);\n }\n\n static createUserTimingTrace(measureName: string): void {\n const trace = new Trace(measureName, false, measureName);\n logTrace(trace);\n }\n}\n","/**\n * @license\n * Copyright 2019 Google Inc.\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { Api } from '../services/api_service';\nimport { logNetworkRequest } from '../services/perf_logger';\n\n// The order of values of this enum should not be changed.\nexport const enum HttpMethod {\n HTTP_METHOD_UNKNOWN = 0,\n GET = 1,\n PUT = 2,\n POST = 3,\n DELETE = 4,\n HEAD = 5,\n PATCH = 6,\n OPTIONS = 7,\n TRACE = 8,\n CONNECT = 9\n}\n\n// Durations are in microseconds.\nexport interface NetworkRequest {\n url: string;\n httpMethod?: HttpMethod;\n requestPayloadBytes?: number;\n responsePayloadBytes?: number;\n httpResponseCode?: number;\n responseContentType?: string;\n startTimeUs?: number;\n timeToRequestCompletedUs?: number;\n timeToResponseInitiatedUs?: number;\n timeToResponseCompletedUs?: number;\n}\n\nexport function createNetworkRequestEntry(entry: PerformanceEntry): void {\n const performanceEntry = entry as PerformanceResourceTiming;\n if (!performanceEntry || performanceEntry.responseStart === undefined) {\n return;\n }\n const timeOrigin = Api.getInstance().getTimeOrigin();\n const startTimeUs = Math.floor(\n (performanceEntry.startTime + timeOrigin) * 1000\n );\n const timeToResponseInitiatedUs = performanceEntry.responseStart\n ? Math.floor(\n (performanceEntry.responseStart - performanceEntry.startTime) * 1000\n )\n : undefined;\n const timeToResponseCompletedUs = Math.floor(\n (performanceEntry.responseEnd - performanceEntry.startTime) * 1000\n );\n // Remove the query params from logged network request url.\n const url = performanceEntry.name && performanceEntry.name.split('?')[0];\n const networkRequest: NetworkRequest = {\n url,\n responsePayloadBytes: performanceEntry.transferSize,\n startTimeUs,\n timeToResponseInitiatedUs,\n timeToResponseCompletedUs\n };\n\n logNetworkRequest(networkRequest);\n}\n","/**\n * @license\n * Copyright 2019 Google Inc.\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\nimport { Api } from './api_service';\nimport { Trace } from '../resources/trace';\nimport { createNetworkRequestEntry } from '../resources/network_request';\nimport { TRACE_MEASURE_PREFIX } from '../constants';\nimport { getIid } from './iid_service';\n\nconst FID_WAIT_TIME_MS = 5000;\n\nexport function setupOobResources(): void {\n // Do not initialize unless iid is available.\n if (!getIid()) {\n return;\n }\n // The load event might not have fired yet, and that means performance navigation timing\n // object has a duration of 0. The setup should run after all current tasks in js queue.\n setTimeout(() => setupOobTraces(), 0);\n setTimeout(() => setupNetworkRequests(), 0);\n setTimeout(() => setupUserTimingTraces(), 0);\n}\n\nfunction setupNetworkRequests(): void {\n const api = Api.getInstance();\n const resources = api.getEntriesByType('resource');\n for (const resource of resources) {\n createNetworkRequestEntry(resource);\n }\n api.setupObserver('resource', createNetworkRequestEntry);\n}\n\nfunction setupOobTraces(): void {\n const api = Api.getInstance();\n const navigationTimings = api.getEntriesByType(\n 'navigation'\n ) as PerformanceNavigationTiming[];\n const paintTimings = api.getEntriesByType('paint');\n // If First Input Desly polyfill is added to the page, report the fid value.\n // https://github.com/GoogleChromeLabs/first-input-delay\n if (api.onFirstInputDelay) {\n // If the fid call back is not called for certain time, continue without it.\n // eslint-disable-next-line @typescript-eslint/no-explicit-any\n let timeoutId: any = setTimeout(() => {\n Trace.createOobTrace(navigationTimings, paintTimings);\n timeoutId = undefined;\n }, FID_WAIT_TIME_MS);\n api.onFirstInputDelay((fid: number) => {\n if (timeoutId) {\n clearTimeout(timeoutId);\n Trace.createOobTrace(navigationTimings, paintTimings, fid);\n }\n });\n } else {\n Trace.createOobTrace(navigationTimings, paintTimings);\n }\n}\n\nfunction setupUserTimingTraces(): void {\n const api = Api.getInstance();\n // Run through the measure performance entries collected up to this point.\n const measures = api.getEntriesByType('measure');\n for (const measure of measures) {\n createUserTimingTrace(measure);\n }\n // Setup an observer to capture the measures from this point on.\n api.setupObserver('measure', createUserTimingTrace);\n}\n\nfunction createUserTimingTrace(measure: PerformanceEntry): void {\n const measureName = measure.name;\n // Do not create a trace, if the user timing marks and measures are created by the sdk itself.\n if (\n measureName.substring(0, TRACE_MEASURE_PREFIX.length) ===\n TRACE_MEASURE_PREFIX\n ) {\n return;\n }\n Trace.createUserTimingTrace(measureName);\n}\n","/**\n * @license\n * Copyright 2019 Google Inc.\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\nimport { Trace } from '../resources/trace';\nimport { setupOobResources } from '../services/oob_resources_service';\nimport { SettingsService } from '../services/settings_service';\nimport { getInitializationPromise } from '../services/initialization_service';\nimport { Api } from '../services/api_service';\nimport { FirebaseApp } from '@firebase/app-types';\nimport { FirebasePerformance } from '@firebase/performance-types';\nimport { consoleLogger } from '../utils/console_logger';\nimport { setupTransportService } from '../services/transport_service';\n\nexport class PerformanceController implements FirebasePerformance {\n constructor(readonly app: FirebaseApp) {\n if (Api.getInstance().requiredApisAvailable()) {\n setupTransportService();\n getInitializationPromise().then(setupOobResources, setupOobResources);\n } else {\n consoleLogger.info(\n 'Firebase Performance cannot start if browser does not support fetch and Promise or cookie is disabled.'\n );\n }\n }\n\n trace(name: string): Trace {\n return new Trace(name);\n }\n\n set instrumentationEnabled(val: boolean) {\n SettingsService.getInstance().instrumentationEnabled = val;\n }\n get instrumentationEnabled(): boolean {\n return SettingsService.getInstance().instrumentationEnabled;\n }\n\n set dataCollectionEnabled(val: boolean) {\n SettingsService.getInstance().dataCollectionEnabled = val;\n }\n get dataCollectionEnabled(): boolean {\n return SettingsService.getInstance().dataCollectionEnabled;\n }\n}\n","/**\n * @license\n * Copyright 2019 Google Inc.\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport firebase from '@firebase/app';\nimport '@firebase/installations';\nimport { FirebaseApp, FirebaseNamespace } from '@firebase/app-types';\nimport { _FirebaseNamespace } from '@firebase/app-types/private';\nimport { PerformanceController } from './src/controllers/perf';\nimport { setupApi } from './src/services/api_service';\nimport { SettingsService } from './src/services/settings_service';\nimport { ERROR_FACTORY, ErrorCode } from './src/utils/errors';\nimport { FirebasePerformance } from '@firebase/performance-types';\nimport { Component, ComponentType } from '@firebase/component';\nimport { FirebaseInstallations } from '@firebase/installations-types';\n\nimport { name, version } from './package.json';\n\nconst DEFAULT_ENTRY_NAME = '[DEFAULT]';\n\nexport function registerPerformance(instance: FirebaseNamespace): void {\n const factoryMethod = (\n app: FirebaseApp,\n installations: FirebaseInstallations\n ): PerformanceController => {\n if (app.name !== DEFAULT_ENTRY_NAME) {\n throw ERROR_FACTORY.create(ErrorCode.FB_NOT_DEFAULT);\n }\n if (typeof window === 'undefined') {\n throw ERROR_FACTORY.create(ErrorCode.NO_WINDOW);\n }\n setupApi(window);\n SettingsService.getInstance().firebaseAppInstance = app;\n SettingsService.getInstance().installationsService = installations;\n return new PerformanceController(app);\n };\n\n // Register performance with firebase-app.\n (instance as _FirebaseNamespace).INTERNAL.registerComponent(\n new Component(\n 'performance',\n container => {\n /* Dependencies */\n // getImmediate for FirebaseApp will always succeed\n const app = container.getProvider('app').getImmediate();\n // The following call will always succeed because perf has `import '@firebase/installations'`\n const installations = container\n .getProvider('installations')\n .getImmediate();\n\n return factoryMethod(app, installations);\n },\n ComponentType.PUBLIC\n )\n );\n\n instance.registerVersion(name, version);\n}\n\nregisterPerformance(firebase);\n\ndeclare module '@firebase/app-types' {\n interface FirebaseNamespace {\n performance?: {\n (app?: FirebaseApp): FirebasePerformance;\n };\n }\n interface FirebaseApp {\n performance?(): FirebasePerformance;\n }\n}\n","/**\n * @license\n * Copyright 2019 Google Inc.\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport firebase from '@firebase/app';\nimport '@firebase/performance';\nimport { name, version } from '../package.json';\n\nfirebase.registerVersion(name, version, 'lite');\n\nexport default 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