) => void): void {\n // Execute the callback asynchronously\n // eslint-disable-next-line @typescript-eslint/no-floating-promises\n this.task.then(() => {\n if (this.observers !== undefined && this.observers[i] !== undefined) {\n try {\n fn(this.observers[i]);\n } catch (e) {\n // Ignore exceptions raised in Observers or missing methods of an\n // Observer.\n // Log error to console. b/31404806\n if (typeof console !== 'undefined' && console.error) {\n console.error(e);\n }\n }\n }\n });\n }\n\n private close(err?: Error): void {\n if (this.finalized) {\n return;\n }\n this.finalized = true;\n if (err !== undefined) {\n this.finalError = err;\n }\n // Proxy is no longer needed - garbage collect references\n // eslint-disable-next-line @typescript-eslint/no-floating-promises\n this.task.then(() => {\n this.observers = undefined;\n this.onNoObservers = undefined;\n });\n }\n}\n\n/** Turn synchronous function into one called asynchronously. */\n// eslint-disable-next-line @typescript-eslint/ban-types\nexport function async(fn: Function, onError?: ErrorFn): Function {\n return (...args: unknown[]) => {\n Promise.resolve(true)\n .then(() => {\n fn(...args);\n })\n .catch((error: Error) => {\n if (onError) {\n onError(error);\n }\n });\n };\n}\n\n/**\n * Return true if the object passed in implements any of the named methods.\n */\nfunction implementsAnyMethods(\n obj: { [key: string]: unknown },\n methods: string[]\n): boolean {\n if (typeof obj !== 'object' || obj === null) {\n return false;\n }\n\n for (const method of methods) {\n if (method in obj && typeof obj[method] === 'function') {\n return true;\n }\n }\n\n return false;\n}\n\nfunction noop(): void {\n // do nothing\n}\n","/**\n * @license\n * Copyright 2017 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\n/**\n * Check to make sure the appropriate number of arguments are provided for a public function.\n * Throws an error if it fails.\n *\n * @param fnName The function name\n * @param minCount The minimum number of arguments to allow for the function call\n * @param maxCount The maximum number of argument to allow for the function call\n * @param argCount The actual number of arguments provided.\n */\nexport const validateArgCount = function (\n fnName: string,\n minCount: number,\n maxCount: number,\n argCount: number\n): void {\n let argError;\n if (argCount < minCount) {\n argError = 'at least ' + minCount;\n } else if (argCount > maxCount) {\n argError = maxCount === 0 ? 'none' : 'no more than ' + maxCount;\n }\n if (argError) {\n const error =\n fnName +\n ' failed: Was called with ' +\n argCount +\n (argCount === 1 ? ' argument.' : ' arguments.') +\n ' Expects ' +\n argError +\n '.';\n throw new Error(error);\n }\n};\n\n/**\n * Generates a string to prefix an error message about failed argument validation\n *\n * @param fnName The function name\n * @param argumentNumber The index of the argument\n * @param optional Whether or not the argument is optional\n * @return The prefix to add to the error thrown for validation.\n */\nexport function errorPrefix(\n fnName: string,\n argumentNumber: number,\n optional: boolean\n): string {\n let argName = '';\n switch (argumentNumber) {\n case 1:\n argName = optional ? 'first' : 'First';\n break;\n case 2:\n argName = optional ? 'second' : 'Second';\n break;\n case 3:\n argName = optional ? 'third' : 'Third';\n break;\n case 4:\n argName = optional ? 'fourth' : 'Fourth';\n break;\n default:\n throw new Error(\n 'errorPrefix called with argumentNumber > 4. Need to update it?'\n );\n }\n\n let error = fnName + ' failed: ';\n\n error += argName + ' argument ';\n return error;\n}\n\n/**\n * @param fnName\n * @param argumentNumber\n * @param namespace\n * @param optional\n */\nexport function validateNamespace(\n fnName: string,\n argumentNumber: number,\n namespace: string,\n optional: boolean\n): void {\n if (optional && !namespace) {\n return;\n }\n if (typeof namespace !== 'string') {\n //TODO: I should do more validation here. We only allow certain chars in namespaces.\n throw new Error(\n errorPrefix(fnName, argumentNumber, optional) +\n 'must be a valid firebase namespace.'\n );\n }\n}\n\nexport function validateCallback(\n fnName: string,\n argumentNumber: number,\n // eslint-disable-next-line @typescript-eslint/ban-types\n callback: Function,\n optional: boolean\n): void {\n if (optional && !callback) {\n return;\n }\n if (typeof callback !== 'function') {\n throw new Error(\n errorPrefix(fnName, argumentNumber, optional) +\n 'must be a valid function.'\n );\n }\n}\n\nexport function validateContextObject(\n fnName: string,\n argumentNumber: number,\n context: unknown,\n optional: boolean\n): void {\n if (optional && !context) {\n return;\n }\n if (typeof context !== 'object' || context === null) {\n throw new Error(\n errorPrefix(fnName, argumentNumber, optional) +\n 'must be a valid context object.'\n );\n }\n}\n","/**\n * @license\n * Copyright 2017 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { assert } from './assert';\n\n// Code originally came from goog.crypt.stringToUtf8ByteArray, but for some reason they\n// automatically replaced '\\r\\n' with '\\n', and they didn't handle surrogate pairs,\n// so it's been modified.\n\n// Note that not all Unicode characters appear as single characters in JavaScript strings.\n// fromCharCode returns the UTF-16 encoding of a character - so some Unicode characters\n// use 2 characters in Javascript. All 4-byte UTF-8 characters begin with a first\n// character in the range 0xD800 - 0xDBFF (the first character of a so-called surrogate\n// pair).\n// See http://www.ecma-international.org/ecma-262/5.1/#sec-15.1.3\n\n/**\n * @param {string} str\n * @return {Array}\n */\nexport const stringToByteArray = function (str: string): number[] {\n const out: number[] = [];\n let p = 0;\n for (let i = 0; i < str.length; i++) {\n let c = str.charCodeAt(i);\n\n // Is this the lead surrogate in a surrogate pair?\n if (c >= 0xd800 && c <= 0xdbff) {\n const high = c - 0xd800; // the high 10 bits.\n i++;\n assert(i < str.length, 'Surrogate pair missing trail surrogate.');\n const low = str.charCodeAt(i) - 0xdc00; // the low 10 bits.\n c = 0x10000 + (high << 10) + low;\n }\n\n if (c < 128) {\n out[p++] = c;\n } else if (c < 2048) {\n out[p++] = (c >> 6) | 192;\n out[p++] = (c & 63) | 128;\n } else if (c < 65536) {\n out[p++] = (c >> 12) | 224;\n out[p++] = ((c >> 6) & 63) | 128;\n out[p++] = (c & 63) | 128;\n } else {\n out[p++] = (c >> 18) | 240;\n out[p++] = ((c >> 12) & 63) | 128;\n out[p++] = ((c >> 6) & 63) | 128;\n out[p++] = (c & 63) | 128;\n }\n }\n return out;\n};\n\n/**\n * Calculate length without actually converting; useful for doing cheaper validation.\n * @param {string} str\n * @return {number}\n */\nexport const stringLength = function (str: string): number {\n let p = 0;\n for (let i = 0; i < str.length; i++) {\n const c = str.charCodeAt(i);\n if (c < 128) {\n p++;\n } else if (c < 2048) {\n p += 2;\n } else if (c >= 0xd800 && c <= 0xdbff) {\n // Lead surrogate of a surrogate pair. The pair together will take 4 bytes to represent.\n p += 4;\n i++; // skip trail surrogate.\n } else {\n p += 3;\n }\n }\n return p;\n};\n","/**\n * @license\n * Copyright 2019 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\n/**\n * The amount of milliseconds to exponentially increase.\n */\nconst DEFAULT_INTERVAL_MILLIS = 1000;\n\n/**\n * The factor to backoff by.\n * Should be a number greater than 1.\n */\nconst DEFAULT_BACKOFF_FACTOR = 2;\n\n/**\n * The maximum milliseconds to increase to.\n *\n * Visible for testing\n */\nexport const MAX_VALUE_MILLIS = 4 * 60 * 60 * 1000; // Four hours, like iOS and Android.\n\n/**\n * The percentage of backoff time to randomize by.\n * See\n * http://go/safe-client-behavior#step-1-determine-the-appropriate-retry-interval-to-handle-spike-traffic\n * for context.\n *\n *
Visible for testing\n */\nexport const RANDOM_FACTOR = 0.5;\n\n/**\n * Based on the backoff method from\n * https://github.com/google/closure-library/blob/master/closure/goog/math/exponentialbackoff.js.\n * Extracted here so we don't need to pass metadata and a stateful ExponentialBackoff object around.\n */\nexport function calculateBackoffMillis(\n backoffCount: number,\n intervalMillis: number = DEFAULT_INTERVAL_MILLIS,\n backoffFactor: number = DEFAULT_BACKOFF_FACTOR\n): number {\n // Calculates an exponentially increasing value.\n // Deviation: calculates value from count and a constant interval, so we only need to save value\n // and count to restore state.\n const currBaseValue = intervalMillis * Math.pow(backoffFactor, backoffCount);\n\n // A random \"fuzz\" to avoid waves of retries.\n // Deviation: randomFactor is required.\n const randomWait = Math.round(\n // A fraction of the backoff value to add/subtract.\n // Deviation: changes multiplication order to improve readability.\n RANDOM_FACTOR *\n currBaseValue *\n // A random float (rounded to int by Math.round above) in the range [-1, 1]. Determines\n // if we add or subtract.\n (Math.random() - 0.5) *\n 2\n );\n\n // Limits backoff to max to avoid effectively permanent backoff.\n return Math.min(MAX_VALUE_MILLIS, currBaseValue + randomWait);\n}\n","/**\n * @license\n * Copyright 2019 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { Logger } from '@firebase/logger';\n\nexport const logger = new Logger('@firebase/analytics');\n","/**\n * @license\n * Copyright 2017 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\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 {\n ComponentContainer,\n Component,\n ComponentType,\n Name\n} from '@firebase/component';\nimport { AppError, ERROR_FACTORY } from './errors';\nimport { DEFAULT_ENTRY_NAME } from './constants';\nimport { logger } from './logger';\n\n/**\n * Global context object for a collection of services using\n * a shared authentication state.\n */\nexport class FirebaseAppImpl 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 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(options);\n this.container = new ComponentContainer(config.name!);\n\n // add itself to container\n this._addComponent(new Component('app', () => this, ComponentType.PUBLIC));\n // populate ComponentContainer with existing components\n for (const component of this.firebase_.INTERNAL.components.values()) {\n this._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 {\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 and functions are the only ones that are 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 * Remove a service instance from the cache, so we will create a new instance for this service\n * when people try to get this service again.\n *\n * NOTE: currently only firestore is using this functionality to support firestore shutdown.\n *\n * @param name The service name\n * @param instanceIdentifier instance identifier in case multiple instances are allowed\n * @internal\n */\n _removeServiceInstance(\n name: string,\n instanceIdentifier: string = DEFAULT_ENTRY_NAME\n ): void {\n // eslint-disable-next-line @typescript-eslint/no-explicit-any\n this.container.getProvider(name as any).clearInstance(instanceIdentifier);\n }\n\n /**\n * @param component the component being added to this app's container\n */\n _addComponent(component: Component): void {\n try {\n this.container.addComponent(component);\n } catch (e) {\n logger.debug(\n `Component ${component.name} failed to register with FirebaseApp ${this.name}`,\n e\n );\n }\n }\n\n _addOrOverwriteComponent(component: Component): void {\n this.container.addOrOverwriteComponent(component);\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// Prevent dead-code elimination of these methods w/o invalid property\n// copying.\n(FirebaseAppImpl.prototype.name && FirebaseAppImpl.prototype.options) ||\n FirebaseAppImpl.prototype.delete ||\n console.log('dc');\n","/**\n * @license\n * Copyright 2019 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { FirebaseNamespace } from '@firebase/app-types';\nimport { _FirebaseApp, _FirebaseNamespace } from '@firebase/app-types/private';\nimport { createSubscribe, deepExtend, ErrorFactory } from '@firebase/util';\nimport { FirebaseAppImpl } from './firebaseApp';\nimport { createFirebaseNamespaceCore } from './firebaseNamespaceCore';\n\n/**\n * Return a firebase namespace object.\n *\n * In production, this will be called exactly once and the result\n * assigned to the 'firebase' global. It may be called multiple times\n * in unit tests.\n */\nexport function createFirebaseNamespace(): FirebaseNamespace {\n const namespace = createFirebaseNamespaceCore(FirebaseAppImpl);\n (namespace as _FirebaseNamespace).INTERNAL = {\n ...(namespace as _FirebaseNamespace).INTERNAL,\n createFirebaseNamespace,\n extendNamespace,\n createSubscribe,\n ErrorFactory,\n deepExtend\n };\n\n /**\n * Patch the top-level firebase namespace with additional properties.\n *\n * firebase.INTERNAL.extendNamespace()\n */\n function extendNamespace(props: { [prop: string]: unknown }): void {\n deepExtend(namespace, props);\n }\n\n return namespace;\n}\n\nexport const firebase = createFirebaseNamespace();\n","/**\n * @license\n * Copyright 2019 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\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>();\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 | 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 LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\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\n): provider is Provider<'app-version'> {\n const component = provider.getComponent();\n return component?.type === ComponentType.VERSION;\n}\n","/**\n * @license\n * Copyright 2017 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n// eslint-disable-next-line import/no-extraneous-dependencies\nimport firebase from '@firebase/app';\nimport { FirebaseNamespace } from '@firebase/app-types';\nimport { _FirebaseNamespace } from '@firebase/app-types/private';\nimport { Database } from './src/api/Database';\nimport { DataSnapshot } from './src/api/DataSnapshot';\nimport { Query } from './src/api/Query';\nimport { Reference } from './src/api/Reference';\nimport { enableLogging } from './src/core/util/util';\nimport { RepoManager } from './src/core/RepoManager';\nimport * as INTERNAL from './src/api/internal';\nimport * as TEST_ACCESS from './src/api/test_access';\nimport { isNodeSdk } from '@firebase/util';\nimport * as types from '@firebase/database-types';\nimport { setSDKVersion } from './src/core/version';\nimport { Component, ComponentType } from '@firebase/component';\n\nimport { name, version } from './package.json';\n\nconst ServerValue = Database.ServerValue;\n\nexport function registerDatabase(instance: FirebaseNamespace) {\n // set SDK_VERSION\n setSDKVersion(instance.SDK_VERSION);\n\n // Register the Database Service with the 'firebase' namespace.\n const namespace = (instance as _FirebaseNamespace).INTERNAL.registerComponent(\n new Component(\n 'database',\n (container, url) => {\n /* Dependencies */\n // getImmediate for FirebaseApp will always succeed\n const app = container.getProvider('app').getImmediate();\n const authProvider = container.getProvider('auth-internal');\n\n return RepoManager.getInstance().databaseFromApp(\n app,\n authProvider,\n url\n );\n },\n ComponentType.PUBLIC\n )\n .setServiceProps(\n // firebase.database namespace properties\n {\n Reference,\n Query,\n Database,\n DataSnapshot,\n enableLogging,\n INTERNAL,\n ServerValue,\n TEST_ACCESS\n }\n )\n .setMultipleInstances(true)\n );\n\n instance.registerVersion(name, version);\n\n if (isNodeSdk()) {\n module.exports = namespace;\n }\n}\n\nregisterDatabase(firebase);\n\n// Types to export for the admin SDK\nexport { Database, Query, Reference, enableLogging, ServerValue };\n\nexport { DataSnapshot } from './src/api/DataSnapshot';\nexport { OnDisconnect } from './src/api/onDisconnect';\n\ndeclare module '@firebase/app-types' {\n interface FirebaseNamespace {\n database?: {\n (app?: FirebaseApp): types.FirebaseDatabase;\n enableLogging: typeof types.enableLogging;\n ServerValue: types.ServerValue;\n Database: typeof types.FirebaseDatabase;\n };\n }\n interface FirebaseApp {\n database?(databaseURL?: string): types.FirebaseDatabase;\n }\n}\n","/**\n * @license\n * Copyright 2019 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\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","'use strict';\n\nif (process.env.NODE_ENV === 'production') {\n module.exports = require('./cjs/react-jsx-runtime.production.min.js');\n} else {\n module.exports = require('./cjs/react-jsx-runtime.development.js');\n}\n","/**\n * @license\n * Copyright 2019 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\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 {\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,\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 LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\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 {\n private component: Component | null = null;\n private readonly instances: Map = new Map();\n private readonly instancesDeferred: Map<\n string,\n Deferred\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 {\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();\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 | null {\n return this.component;\n }\n\n setComponent(component: Component): 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 {\n const services = Array.from(this.instances.values());\n\n await Promise.all([\n ...services\n .filter(service => 'INTERNAL' in service) // legacy services\n // eslint-disable-next-line @typescript-eslint/no-explicit-any\n .map(service => (service as any).INTERNAL!.delete()),\n ...services\n .filter(service => '_delete' in service) // modularized services\n // eslint-disable-next-line @typescript-eslint/no-explicit-any\n .map(service => (service as any)._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): boolean {\n return component.instantiationMode === InstantiationMode.EAGER;\n}\n","/**\n * @license\n * Copyright 2019 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\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>();\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(component: Component): 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(component: Component): 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(name: T): Provider {\n if (this.providers.has(name)) {\n return this.providers.get(name) as Provider;\n }\n\n // create a Provider for a service that hasn't registered with Firebase\n const provider = new Provider(name, this);\n this.providers.set(name, provider);\n\n return provider as Provider;\n }\n\n getProviders(): Array