O applicativo é gratuito para download, novos usuários recebem 30 dias sem custo para uso dos serviços pagos, após esse período é necessário adquirir um plano de serviços.
O sistema criado é para valorizar a reputação de empresas e profissionais que executam serviços, pois neste canal o cliente poderá colocar avaliação positiva ou avaliação negativa e isso vai influenciar diretamente na qualidade dos serviços prestados. Nosso sistema de reputação garantirá integridade dos clientes e das empresas e profissionais cadastrados dando a eles oportunidade de solucionarem a situação motivo da reclamação.
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O sistema de reputação é auditado por nossa equipe e sempre que ocorrer uma reclamação a empresa ou profissional será notificado em seu e-mail cadastrado para que possa fazer as suas argumentações (Defesa) sobre a reclamação e providenciar a solução.
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Dúvidas entre em contato com nosso time através dos canais: i2play@gtnp.com.br ou WhatsApp
\r\n \r\n )\r\n}","import setPrototypeOf from \"./setPrototypeOf.js\";\nimport isNativeReflectConstruct from \"./isNativeReflectConstruct.js\";\nexport default function _construct(Parent, args, Class) {\n if (isNativeReflectConstruct()) {\n _construct = Reflect.construct.bind();\n } else {\n _construct = function _construct(Parent, args, Class) {\n var a = [null];\n a.push.apply(a, args);\n var Constructor = Function.bind.apply(Parent, a);\n var instance = new Constructor();\n if (Class) setPrototypeOf(instance, Class.prototype);\n return instance;\n };\n }\n\n return _construct.apply(null, arguments);\n}","import getPrototypeOf from \"./getPrototypeOf.js\";\nimport setPrototypeOf from \"./setPrototypeOf.js\";\nimport isNativeFunction from \"./isNativeFunction.js\";\nimport construct from \"./construct.js\";\nexport default function _wrapNativeSuper(Class) {\n var _cache = typeof Map === \"function\" ? new Map() : undefined;\n\n _wrapNativeSuper = function _wrapNativeSuper(Class) {\n if (Class === null || !isNativeFunction(Class)) return Class;\n\n if (typeof Class !== \"function\") {\n throw new TypeError(\"Super expression must either be null or a function\");\n }\n\n if (typeof _cache !== \"undefined\") {\n if (_cache.has(Class)) return _cache.get(Class);\n\n _cache.set(Class, Wrapper);\n }\n\n function Wrapper() {\n return construct(Class, arguments, getPrototypeOf(this).constructor);\n }\n\n Wrapper.prototype = Object.create(Class.prototype, {\n constructor: {\n value: Wrapper,\n enumerable: false,\n writable: true,\n configurable: true\n }\n });\n return setPrototypeOf(Wrapper, Class);\n };\n\n return _wrapNativeSuper(Class);\n}","export default function _isNativeFunction(fn) {\n return Function.toString.call(fn).indexOf(\"[native code]\") !== -1;\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 * @fileoverview Firebase constants. Some of these (@defines) can be overridden at compile-time.\n */\n\nexport const CONSTANTS = {\n /**\n * @define {boolean} Whether this is the client Node.js SDK.\n */\n NODE_CLIENT: false,\n /**\n * @define {boolean} Whether this is the Admin Node.js SDK.\n */\n NODE_ADMIN: false,\n\n /**\n * Firebase SDK Version\n */\n SDK_VERSION: '${JSCORE_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\nconst stringToByteArray = function (str: string): number[] {\n // TODO(user): Use native implementations if/when available\n const out: number[] = [];\n let p = 0;\n for (let i = 0; i < str.length; i++) {\n let c = str.charCodeAt(i);\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 (\n (c & 0xfc00) === 0xd800 &&\n i + 1 < str.length &&\n (str.charCodeAt(i + 1) & 0xfc00) === 0xdc00\n ) {\n // Surrogate Pair\n c = 0x10000 + ((c & 0x03ff) << 10) + (str.charCodeAt(++i) & 0x03ff);\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 } else {\n out[p++] = (c >> 12) | 224;\n out[p++] = ((c >> 6) & 63) | 128;\n out[p++] = (c & 63) | 128;\n }\n }\n return out;\n};\n\n/**\n * Turns an array of numbers into the string given by the concatenation of the\n * characters to which the numbers correspond.\n * @param bytes Array of numbers representing characters.\n * @return Stringification of the array.\n */\nconst byteArrayToString = function (bytes: number[]): string {\n // TODO(user): Use native implementations if/when available\n const out: string[] = [];\n let pos = 0,\n c = 0;\n while (pos < bytes.length) {\n const c1 = bytes[pos++];\n if (c1 < 128) {\n out[c++] = String.fromCharCode(c1);\n } else if (c1 > 191 && c1 < 224) {\n const c2 = bytes[pos++];\n out[c++] = String.fromCharCode(((c1 & 31) << 6) | (c2 & 63));\n } else if (c1 > 239 && c1 < 365) {\n // Surrogate Pair\n const c2 = bytes[pos++];\n const c3 = bytes[pos++];\n const c4 = bytes[pos++];\n const u =\n (((c1 & 7) << 18) | ((c2 & 63) << 12) | ((c3 & 63) << 6) | (c4 & 63)) -\n 0x10000;\n out[c++] = String.fromCharCode(0xd800 + (u >> 10));\n out[c++] = String.fromCharCode(0xdc00 + (u & 1023));\n } else {\n const c2 = bytes[pos++];\n const c3 = bytes[pos++];\n out[c++] = String.fromCharCode(\n ((c1 & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63)\n );\n }\n }\n return out.join('');\n};\n\ninterface Base64 {\n byteToCharMap_: { [key: number]: string } | null;\n charToByteMap_: { [key: string]: number } | null;\n byteToCharMapWebSafe_: { [key: number]: string } | null;\n charToByteMapWebSafe_: { [key: string]: number } | null;\n ENCODED_VALS_BASE: string;\n readonly ENCODED_VALS: string;\n readonly ENCODED_VALS_WEBSAFE: string;\n HAS_NATIVE_SUPPORT: boolean;\n encodeByteArray(input: number[] | Uint8Array, webSafe?: boolean): string;\n encodeString(input: string, webSafe?: boolean): string;\n decodeString(input: string, webSafe: boolean): string;\n decodeStringToByteArray(input: string, webSafe: boolean): number[];\n init_(): void;\n}\n\n// We define it as an object literal instead of a class because a class compiled down to es5 can't\n// be treeshaked. https://github.com/rollup/rollup/issues/1691\n// Static lookup maps, lazily populated by init_()\nexport const base64: Base64 = {\n /**\n * Maps bytes to characters.\n */\n byteToCharMap_: null,\n\n /**\n * Maps characters to bytes.\n */\n charToByteMap_: null,\n\n /**\n * Maps bytes to websafe characters.\n * @private\n */\n byteToCharMapWebSafe_: null,\n\n /**\n * Maps websafe characters to bytes.\n * @private\n */\n charToByteMapWebSafe_: null,\n\n /**\n * Our default alphabet, shared between\n * ENCODED_VALS and ENCODED_VALS_WEBSAFE\n */\n ENCODED_VALS_BASE:\n 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' + 'abcdefghijklmnopqrstuvwxyz' + '0123456789',\n\n /**\n * Our default alphabet. Value 64 (=) is special; it means \"nothing.\"\n */\n get ENCODED_VALS() {\n return this.ENCODED_VALS_BASE + '+/=';\n },\n\n /**\n * Our websafe alphabet.\n */\n get ENCODED_VALS_WEBSAFE() {\n return this.ENCODED_VALS_BASE + '-_.';\n },\n\n /**\n * Whether this browser supports the atob and btoa functions. This extension\n * started at Mozilla but is now implemented by many browsers. We use the\n * ASSUME_* variables to avoid pulling in the full useragent detection library\n * but still allowing the standard per-browser compilations.\n *\n */\n HAS_NATIVE_SUPPORT: typeof atob === 'function',\n\n /**\n * Base64-encode an array of bytes.\n *\n * @param input An array of bytes (numbers with\n * value in [0, 255]) to encode.\n * @param webSafe Boolean indicating we should use the\n * alternative alphabet.\n * @return The base64 encoded string.\n */\n encodeByteArray(input: number[] | Uint8Array, webSafe?: boolean): string {\n if (!Array.isArray(input)) {\n throw Error('encodeByteArray takes an array as a parameter');\n }\n\n this.init_();\n\n const byteToCharMap = webSafe\n ? this.byteToCharMapWebSafe_!\n : this.byteToCharMap_!;\n\n const output = [];\n\n for (let i = 0; i < input.length; i += 3) {\n const byte1 = input[i];\n const haveByte2 = i + 1 < input.length;\n const byte2 = haveByte2 ? input[i + 1] : 0;\n const haveByte3 = i + 2 < input.length;\n const byte3 = haveByte3 ? input[i + 2] : 0;\n\n const outByte1 = byte1 >> 2;\n const outByte2 = ((byte1 & 0x03) << 4) | (byte2 >> 4);\n let outByte3 = ((byte2 & 0x0f) << 2) | (byte3 >> 6);\n let outByte4 = byte3 & 0x3f;\n\n if (!haveByte3) {\n outByte4 = 64;\n\n if (!haveByte2) {\n outByte3 = 64;\n }\n }\n\n output.push(\n byteToCharMap[outByte1],\n byteToCharMap[outByte2],\n byteToCharMap[outByte3],\n byteToCharMap[outByte4]\n );\n }\n\n return output.join('');\n },\n\n /**\n * Base64-encode a string.\n *\n * @param input A string to encode.\n * @param webSafe If true, we should use the\n * alternative alphabet.\n * @return The base64 encoded string.\n */\n encodeString(input: string, webSafe?: boolean): string {\n // Shortcut for Mozilla browsers that implement\n // a native base64 encoder in the form of \"btoa/atob\"\n if (this.HAS_NATIVE_SUPPORT && !webSafe) {\n return btoa(input);\n }\n return this.encodeByteArray(stringToByteArray(input), webSafe);\n },\n\n /**\n * Base64-decode a string.\n *\n * @param input to decode.\n * @param webSafe True if we should use the\n * alternative alphabet.\n * @return string representing the decoded value.\n */\n decodeString(input: string, webSafe: boolean): string {\n // Shortcut for Mozilla browsers that implement\n // a native base64 encoder in the form of \"btoa/atob\"\n if (this.HAS_NATIVE_SUPPORT && !webSafe) {\n return atob(input);\n }\n return byteArrayToString(this.decodeStringToByteArray(input, webSafe));\n },\n\n /**\n * Base64-decode a string.\n *\n * In base-64 decoding, groups of four characters are converted into three\n * bytes. If the encoder did not apply padding, the input length may not\n * be a multiple of 4.\n *\n * In this case, the last group will have fewer than 4 characters, and\n * padding will be inferred. If the group has one or two characters, it decodes\n * to one byte. If the group has three characters, it decodes to two bytes.\n *\n * @param input Input to decode.\n * @param webSafe True if we should use the web-safe alphabet.\n * @return bytes representing the decoded value.\n */\n decodeStringToByteArray(input: string, webSafe: boolean): number[] {\n this.init_();\n\n const charToByteMap = webSafe\n ? this.charToByteMapWebSafe_!\n : this.charToByteMap_!;\n\n const output: number[] = [];\n\n for (let i = 0; i < input.length; ) {\n const byte1 = charToByteMap[input.charAt(i++)];\n\n const haveByte2 = i < input.length;\n const byte2 = haveByte2 ? charToByteMap[input.charAt(i)] : 0;\n ++i;\n\n const haveByte3 = i < input.length;\n const byte3 = haveByte3 ? charToByteMap[input.charAt(i)] : 64;\n ++i;\n\n const haveByte4 = i < input.length;\n const byte4 = haveByte4 ? charToByteMap[input.charAt(i)] : 64;\n ++i;\n\n if (byte1 == null || byte2 == null || byte3 == null || byte4 == null) {\n throw Error();\n }\n\n const outByte1 = (byte1 << 2) | (byte2 >> 4);\n output.push(outByte1);\n\n if (byte3 !== 64) {\n const outByte2 = ((byte2 << 4) & 0xf0) | (byte3 >> 2);\n output.push(outByte2);\n\n if (byte4 !== 64) {\n const outByte3 = ((byte3 << 6) & 0xc0) | byte4;\n output.push(outByte3);\n }\n }\n }\n\n return output;\n },\n\n /**\n * Lazy static initialization function. Called before\n * accessing any of the static map variables.\n * @private\n */\n init_() {\n if (!this.byteToCharMap_) {\n this.byteToCharMap_ = {};\n this.charToByteMap_ = {};\n this.byteToCharMapWebSafe_ = {};\n this.charToByteMapWebSafe_ = {};\n\n // We want quick mappings back and forth, so we precompute two maps.\n for (let i = 0; i < this.ENCODED_VALS.length; i++) {\n this.byteToCharMap_[i] = this.ENCODED_VALS.charAt(i);\n this.charToByteMap_[this.byteToCharMap_[i]] = i;\n this.byteToCharMapWebSafe_[i] = this.ENCODED_VALS_WEBSAFE.charAt(i);\n this.charToByteMapWebSafe_[this.byteToCharMapWebSafe_[i]] = i;\n\n // Be forgiving when decoding and correctly decode both encodings.\n if (i >= this.ENCODED_VALS_BASE.length) {\n this.charToByteMap_[this.ENCODED_VALS_WEBSAFE.charAt(i)] = i;\n this.charToByteMapWebSafe_[this.ENCODED_VALS.charAt(i)] = i;\n }\n }\n }\n }\n};\n\n/**\n * URL-safe base64 encoding\n */\nexport const base64Encode = function (str: string): string {\n const utf8Bytes = stringToByteArray(str);\n return base64.encodeByteArray(utf8Bytes, true);\n};\n\n/**\n * URL-safe base64 encoding (without \".\" padding in the end).\n * e.g. Used in JSON Web Token (JWT) parts.\n */\nexport const base64urlEncodeWithoutPadding = function (str: string): string {\n // Use base64url encoding and remove padding in the end (dot characters).\n return base64Encode(str).replace(/\\./g, '');\n};\n\n/**\n * URL-safe base64 decoding\n *\n * NOTE: DO NOT use the global atob() function - it does NOT support the\n * base64Url variant encoding.\n *\n * @param str To be decoded\n * @return Decoded result, if possible\n */\nexport const base64Decode = function (str: string): string | null {\n try {\n return base64.decodeString(str, true);\n } catch (e) {\n console.error('base64Decode failed: ', e);\n }\n return null;\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\nexport class Deferred {\n promise: Promise;\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 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 { CONSTANTS } from './constants';\n\n/**\n * Returns navigator.userAgent string or '' if it's not defined.\n * @return user agent string\n */\nexport function getUA(): string {\n if (\n typeof navigator !== 'undefined' &&\n typeof navigator['userAgent'] === 'string'\n ) {\n return navigator['userAgent'];\n } else {\n return '';\n }\n}\n\n/**\n * Detect Cordova / PhoneGap / Ionic frameworks on a mobile device.\n *\n * Deliberately does not rely on checking `file://` URLs (as this fails PhoneGap\n * in the Ripple emulator) nor Cordova `onDeviceReady`, which would normally\n * wait for a callback.\n */\nexport function isMobileCordova(): boolean {\n return (\n typeof window !== 'undefined' &&\n // @ts-ignore Setting up an broadly applicable index signature for Window\n // just to deal with this case would probably be a bad idea.\n !!(window['cordova'] || window['phonegap'] || window['PhoneGap']) &&\n /ios|iphone|ipod|ipad|android|blackberry|iemobile/i.test(getUA())\n );\n}\n\n/**\n * Detect Node.js.\n *\n * @return true if Node.js environment is detected.\n */\n// Node detection logic from: https://github.com/iliakan/detect-node/\nexport function isNode(): boolean {\n try {\n return (\n Object.prototype.toString.call(global.process) === '[object process]'\n );\n } catch (e) {\n return false;\n }\n}\n\n/**\n * Detect Browser Environment\n */\nexport function isBrowser(): boolean {\n return typeof self === 'object' && self.self === self;\n}\n\n/**\n * Detect browser extensions (Chrome and Firefox at least).\n */\ninterface BrowserRuntime {\n id?: unknown;\n}\ndeclare const chrome: { runtime?: BrowserRuntime };\ndeclare const browser: { runtime?: BrowserRuntime };\nexport function isBrowserExtension(): boolean {\n const runtime =\n typeof chrome === 'object'\n ? chrome.runtime\n : typeof browser === 'object'\n ? browser.runtime\n : undefined;\n return typeof runtime === 'object' && runtime.id !== undefined;\n}\n\n/**\n * Detect React Native.\n *\n * @return true if ReactNative environment is detected.\n */\nexport function isReactNative(): boolean {\n return (\n typeof navigator === 'object' && navigator['product'] === 'ReactNative'\n );\n}\n\n/** Detects Electron apps. */\nexport function isElectron(): boolean {\n return getUA().indexOf('Electron/') >= 0;\n}\n\n/** Detects Internet Explorer. */\nexport function isIE(): boolean {\n const ua = getUA();\n return ua.indexOf('MSIE ') >= 0 || ua.indexOf('Trident/') >= 0;\n}\n\n/** Detects Universal Windows Platform apps. */\nexport function isUWP(): boolean {\n return getUA().indexOf('MSAppHost/') >= 0;\n}\n\n/**\n * Detect whether the current SDK build is the Node version.\n *\n * @return true if it's the Node SDK build.\n */\nexport function isNodeSdk(): boolean {\n return CONSTANTS.NODE_CLIENT === true || CONSTANTS.NODE_ADMIN === true;\n}\n\n/** Returns true if we are running in Safari. */\nexport function isSafari(): boolean {\n return (\n !isNode() &&\n navigator.userAgent.includes('Safari') &&\n !navigator.userAgent.includes('Chrome')\n );\n}\n\n/**\n * This method checks if indexedDB is supported by current browser/service worker context\n * @return true if indexedDB is supported by current browser/service worker context\n */\nexport function isIndexedDBAvailable(): boolean {\n return typeof indexedDB === 'object';\n}\n\n/**\n * This method validates browser/sw context for indexedDB by opening a dummy indexedDB database and reject\n * if errors occur during the database open operation.\n *\n * @throws exception if current browser/sw context can't run idb.open (ex: Safari iframe, Firefox\n * private browsing)\n */\nexport function validateIndexedDBOpenable(): Promise {\n return new Promise((resolve, reject) => {\n try {\n let preExist: boolean = true;\n const DB_CHECK_NAME =\n 'validate-browser-context-for-indexeddb-analytics-module';\n const request = self.indexedDB.open(DB_CHECK_NAME);\n request.onsuccess = () => {\n request.result.close();\n // delete database only when it doesn't pre-exist\n if (!preExist) {\n self.indexedDB.deleteDatabase(DB_CHECK_NAME);\n }\n resolve(true);\n };\n request.onupgradeneeded = () => {\n preExist = false;\n };\n\n request.onerror = () => {\n reject(request.error?.message || '');\n };\n } catch (error) {\n reject(error);\n }\n });\n}\n\n/**\n *\n * This method checks whether cookie is enabled within current browser\n * @return true if cookie is enabled within current browser\n */\nexport function areCookiesEnabled(): boolean {\n if (typeof navigator === 'undefined' || !navigator.cookieEnabled) {\n return false;\n }\n return true;\n}\n\n/**\n * Polyfill for `globalThis` object.\n * @returns the `globalThis` object for the given environment.\n */\nexport function getGlobal(): typeof globalThis {\n if (typeof self !== 'undefined') {\n return self;\n }\n if (typeof window !== 'undefined') {\n return window;\n }\n if (typeof global !== 'undefined') {\n return global;\n }\n throw new Error('Unable to locate global object.');\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 * @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 = {\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('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 as FirebaseError)?.code === 'service/file-not-found') {\n * console.log(\"Could not read file: \" + e['file']);\n * }\n * }\n */\n\nexport type ErrorMap = {\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]: unknown;\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 /** The custom name for all FirebaseErrors. */\n readonly name: string = ERROR_NAME;\n\n constructor(\n /** The error code for this error. */\n readonly code: string,\n message: string,\n /** Custom data for this error. */\n public customData?: Record\n ) {\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\n ) {}\n\n create(\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, customData);\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 ? String(value) : `<${key}?>`;\n });\n}\n\nconst PATTERN = /\\{\\$([^}]+)}/g;\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\nexport function contains(obj: T, key: string): boolean {\n return Object.prototype.hasOwnProperty.call(obj, key);\n}\n\nexport function safeGet(\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(\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/**\n * Deep equal two objects. Support Arrays and Objects.\n */\nexport function deepEqual(a: object, b: object): boolean {\n if (a === b) {\n return true;\n }\n\n const aKeys = Object.keys(a);\n const bKeys = Object.keys(b);\n for (const k of aKeys) {\n if (!bKeys.includes(k)) {\n return false;\n }\n\n const aProp = (a as Record)[k];\n const bProp = (b as Record)[k];\n if (isObject(aProp) && isObject(bProp)) {\n if (!deepEqual(aProp, bProp)) {\n return false;\n }\n } else if (aProp !== bProp) {\n return false;\n }\n }\n\n for (const k of bKeys) {\n if (!aKeys.includes(k)) {\n return false;\n }\n }\n return true;\n}\n\nfunction isObject(thing: unknown): thing is object {\n return thing !== null && typeof thing === 'object';\n}\n","/**\n * @license\n * Copyright 2021 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\nexport interface Compat {\n _delegate: T;\n}\n\nexport function getModularInstance(\n service: Compat | ExpService\n): ExpService {\n if (service && (service as Compat)._delegate) {\n return (service as Compat)._delegate;\n } else {\n return service as ExpService;\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 */\nimport {\n InstantiationMode,\n InstanceFactory,\n ComponentType,\n Dictionary,\n Name,\n onInstanceCreatedCallback\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 onInstanceCreated: onInstanceCreatedCallback | null = null;\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 setInstanceCreatedCallback(callback: onInstanceCreatedCallback): this {\n this.onInstanceCreated = callback;\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\nexport const DEFAULT_ENTRY_NAME = '[DEFAULT]';\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 {\n InitializeOptions,\n InstantiationMode,\n Name,\n NameServiceMapping,\n OnInitCallBack\n} 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 private readonly instancesOptions: Map> =\n new Map();\n private onInitCallbacks: Map>> = 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): 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\n if (\n this.isInitialized(normalizedIdentifier) ||\n this.shouldAutoInitialize()\n ) {\n // initialize the service if it can be auto-initialized\n try {\n const instance = this.getOrInitializeService({\n instanceIdentifier: normalizedIdentifier\n });\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\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 // if multipleInstances is not supported, use the default name\n const normalizedIdentifier = this.normalizeInstanceIdentifier(\n options?.identifier\n );\n const optional = options?.optional ?? false;\n\n if (\n this.isInitialized(normalizedIdentifier) ||\n this.shouldAutoInitialize()\n ) {\n try {\n return this.getOrInitializeService({\n instanceIdentifier: normalizedIdentifier\n });\n } catch (e) {\n if (optional) {\n return null;\n } else {\n throw e;\n }\n }\n } else {\n // In case a component is not initialized and should/can not be auto-initialized at the moment, return null if the optional flag is set, or throw\n if (optional) {\n return null;\n } else {\n throw Error(`Service ${this.name} is not available`);\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\n // return early without attempting to initialize the component if the component requires explicit initialization (calling `Provider.initialize()`)\n if (!this.shouldAutoInitialize()) {\n return;\n }\n\n // if the service is eager, initialize the default instance\n if (isComponentEager(component)) {\n try {\n this.getOrInitializeService({ instanceIdentifier: 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 =\n this.normalizeInstanceIdentifier(instanceIdentifier);\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({\n instanceIdentifier: normalizedIdentifier\n })!;\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.instancesOptions.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 isInitialized(identifier: string = DEFAULT_ENTRY_NAME): boolean {\n return this.instances.has(identifier);\n }\n\n getOptions(identifier: string = DEFAULT_ENTRY_NAME): Record {\n return this.instancesOptions.get(identifier) || {};\n }\n\n initialize(opts: InitializeOptions = {}): NameServiceMapping[T] {\n const { options = {} } = opts;\n const normalizedIdentifier = this.normalizeInstanceIdentifier(\n opts.instanceIdentifier\n );\n if (this.isInitialized(normalizedIdentifier)) {\n throw Error(\n `${this.name}(${normalizedIdentifier}) has already been initialized`\n );\n }\n\n if (!this.isComponentSet()) {\n throw Error(`Component ${this.name} has not been registered yet`);\n }\n\n const instance = this.getOrInitializeService({\n instanceIdentifier: normalizedIdentifier,\n options\n })!;\n\n // resolve any pending promise waiting for the service instance\n for (const [\n instanceIdentifier,\n instanceDeferred\n ] of this.instancesDeferred.entries()) {\n const normalizedDeferredIdentifier =\n this.normalizeInstanceIdentifier(instanceIdentifier);\n if (normalizedIdentifier === normalizedDeferredIdentifier) {\n instanceDeferred.resolve(instance);\n }\n }\n\n return instance;\n }\n\n /**\n *\n * @param callback - a function that will be invoked after the provider has been initialized by calling provider.initialize().\n * The function is invoked SYNCHRONOUSLY, so it should not execute any longrunning tasks in order to not block the program.\n *\n * @param identifier An optional instance identifier\n * @returns a function to unregister the callback\n */\n onInit(callback: OnInitCallBack, identifier?: string): () => void {\n const normalizedIdentifier = this.normalizeInstanceIdentifier(identifier);\n const existingCallbacks =\n this.onInitCallbacks.get(normalizedIdentifier) ??\n new Set>();\n existingCallbacks.add(callback);\n this.onInitCallbacks.set(normalizedIdentifier, existingCallbacks);\n\n const existingInstance = this.instances.get(normalizedIdentifier);\n if (existingInstance) {\n callback(existingInstance, normalizedIdentifier);\n }\n\n return () => {\n existingCallbacks.delete(callback);\n };\n }\n\n /**\n * Invoke onInit callbacks synchronously\n * @param instance the service instance`\n */\n private invokeOnInitCallbacks(\n instance: NameServiceMapping[T],\n identifier: string\n ): void {\n const callbacks = this.onInitCallbacks.get(identifier);\n if (!callbacks) {\n return;\n }\n for (const callback of callbacks) {\n try {\n callback(instance, identifier);\n } catch {\n // ignore errors in the onInit callback\n }\n }\n }\n\n private getOrInitializeService({\n instanceIdentifier,\n options = {}\n }: {\n instanceIdentifier: string;\n options?: Record;\n }): NameServiceMapping[T] | null {\n let instance = this.instances.get(instanceIdentifier);\n if (!instance && this.component) {\n instance = this.component.instanceFactory(this.container, {\n instanceIdentifier: normalizeIdentifierForFactory(instanceIdentifier),\n options\n });\n this.instances.set(instanceIdentifier, instance);\n this.instancesOptions.set(instanceIdentifier, options);\n\n /**\n * Invoke onInit listeners.\n * Note this.component.onInstanceCreated is different, which is used by the component creator,\n * while onInit listeners are registered by consumers of the provider.\n */\n this.invokeOnInitCallbacks(instance, instanceIdentifier);\n\n /**\n * Order is important\n * onInstanceCreated() should be called after this.instances.set(instanceIdentifier, instance); which\n * makes `isInitialized()` return true.\n */\n if (this.component.onInstanceCreated) {\n try {\n this.component.onInstanceCreated(\n this.container,\n instanceIdentifier,\n instance\n );\n } catch {\n // ignore errors in the onInstanceCreatedCallback\n }\n }\n }\n\n return instance || null;\n }\n\n private normalizeInstanceIdentifier(\n identifier: string = DEFAULT_ENTRY_NAME\n ): 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 private shouldAutoInitialize(): boolean {\n return (\n !!this.component &&\n this.component.instantiationMode !== InstantiationMode.EXPLICIT\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 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\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: ${logType})`\n );\n }\n};\n\nexport class Logger {\n /**\n * Gives you an instance of a Logger to capture messages according to\n * Firebase's logging scheme.\n *\n * @param name The name that the logs will be associated with\n */\n constructor(public name: string) {\n /**\n * Capture the current instance for later use\n */\n instances.push(this);\n }\n\n /**\n * The log level of the given Logger instance.\n */\n private _logLevel = defaultLogLevel;\n\n get logLevel(): LogLevel {\n return this._logLevel;\n }\n\n set logLevel(val: LogLevel) {\n if (!(val in LogLevel)) {\n throw new TypeError(`Invalid value \"${val}\" assigned to \\`logLevel\\``);\n }\n this._logLevel = val;\n }\n\n // Workaround for setter/getter having to be the same type.\n setLogLevel(val: LogLevel | LogLevelString): void {\n this._logLevel = typeof val === 'string' ? levelStringToEnum[val] : 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 instances.forEach(inst => {\n inst.setLogLevel(level);\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 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 unknown 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 as unknown as Provider);\n\n return provider as Provider;\n }\n\n getProviders(): Array> {\n return Array.from(this.providers.values());\n }\n}\n","const instanceOfAny = (object, constructors) => constructors.some((c) => object instanceof c);\n\nlet idbProxyableTypes;\nlet cursorAdvanceMethods;\n// This is a function to prevent it throwing up in node environments.\nfunction getIdbProxyableTypes() {\n return (idbProxyableTypes ||\n (idbProxyableTypes = [\n IDBDatabase,\n IDBObjectStore,\n IDBIndex,\n IDBCursor,\n IDBTransaction,\n ]));\n}\n// This is a function to prevent it throwing up in node environments.\nfunction getCursorAdvanceMethods() {\n return (cursorAdvanceMethods ||\n (cursorAdvanceMethods = [\n IDBCursor.prototype.advance,\n IDBCursor.prototype.continue,\n IDBCursor.prototype.continuePrimaryKey,\n ]));\n}\nconst cursorRequestMap = new WeakMap();\nconst transactionDoneMap = new WeakMap();\nconst transactionStoreNamesMap = new WeakMap();\nconst transformCache = new WeakMap();\nconst reverseTransformCache = new WeakMap();\nfunction promisifyRequest(request) {\n const promise = new Promise((resolve, reject) => {\n const unlisten = () => {\n request.removeEventListener('success', success);\n request.removeEventListener('error', error);\n };\n const success = () => {\n resolve(wrap(request.result));\n unlisten();\n };\n const error = () => {\n reject(request.error);\n unlisten();\n };\n request.addEventListener('success', success);\n request.addEventListener('error', error);\n });\n promise\n .then((value) => {\n // Since cursoring reuses the IDBRequest (*sigh*), we cache it for later retrieval\n // (see wrapFunction).\n if (value instanceof IDBCursor) {\n cursorRequestMap.set(value, request);\n }\n // Catching to avoid \"Uncaught Promise exceptions\"\n })\n .catch(() => { });\n // This mapping exists in reverseTransformCache but doesn't doesn't exist in transformCache. This\n // is because we create many promises from a single IDBRequest.\n reverseTransformCache.set(promise, request);\n return promise;\n}\nfunction cacheDonePromiseForTransaction(tx) {\n // Early bail if we've already created a done promise for this transaction.\n if (transactionDoneMap.has(tx))\n return;\n const done = new Promise((resolve, reject) => {\n const unlisten = () => {\n tx.removeEventListener('complete', complete);\n tx.removeEventListener('error', error);\n tx.removeEventListener('abort', error);\n };\n const complete = () => {\n resolve();\n unlisten();\n };\n const error = () => {\n reject(tx.error || new DOMException('AbortError', 'AbortError'));\n unlisten();\n };\n tx.addEventListener('complete', complete);\n tx.addEventListener('error', error);\n tx.addEventListener('abort', error);\n });\n // Cache it for later retrieval.\n transactionDoneMap.set(tx, done);\n}\nlet idbProxyTraps = {\n get(target, prop, receiver) {\n if (target instanceof IDBTransaction) {\n // Special handling for transaction.done.\n if (prop === 'done')\n return transactionDoneMap.get(target);\n // Polyfill for objectStoreNames because of Edge.\n if (prop === 'objectStoreNames') {\n return target.objectStoreNames || transactionStoreNamesMap.get(target);\n }\n // Make tx.store return the only store in the transaction, or undefined if there are many.\n if (prop === 'store') {\n return receiver.objectStoreNames[1]\n ? undefined\n : receiver.objectStore(receiver.objectStoreNames[0]);\n }\n }\n // Else transform whatever we get back.\n return wrap(target[prop]);\n },\n set(target, prop, value) {\n target[prop] = value;\n return true;\n },\n has(target, prop) {\n if (target instanceof IDBTransaction &&\n (prop === 'done' || prop === 'store')) {\n return true;\n }\n return prop in target;\n },\n};\nfunction replaceTraps(callback) {\n idbProxyTraps = callback(idbProxyTraps);\n}\nfunction wrapFunction(func) {\n // Due to expected object equality (which is enforced by the caching in `wrap`), we\n // only create one new func per func.\n // Edge doesn't support objectStoreNames (booo), so we polyfill it here.\n if (func === IDBDatabase.prototype.transaction &&\n !('objectStoreNames' in IDBTransaction.prototype)) {\n return function (storeNames, ...args) {\n const tx = func.call(unwrap(this), storeNames, ...args);\n transactionStoreNamesMap.set(tx, storeNames.sort ? storeNames.sort() : [storeNames]);\n return wrap(tx);\n };\n }\n // Cursor methods are special, as the behaviour is a little more different to standard IDB. In\n // IDB, you advance the cursor and wait for a new 'success' on the IDBRequest that gave you the\n // cursor. It's kinda like a promise that can resolve with many values. That doesn't make sense\n // with real promises, so each advance methods returns a new promise for the cursor object, or\n // undefined if the end of the cursor has been reached.\n if (getCursorAdvanceMethods().includes(func)) {\n return function (...args) {\n // Calling the original function with the proxy as 'this' causes ILLEGAL INVOCATION, so we use\n // the original object.\n func.apply(unwrap(this), args);\n return wrap(cursorRequestMap.get(this));\n };\n }\n return function (...args) {\n // Calling the original function with the proxy as 'this' causes ILLEGAL INVOCATION, so we use\n // the original object.\n return wrap(func.apply(unwrap(this), args));\n };\n}\nfunction transformCachableValue(value) {\n if (typeof value === 'function')\n return wrapFunction(value);\n // This doesn't return, it just creates a 'done' promise for the transaction,\n // which is later returned for transaction.done (see idbObjectHandler).\n if (value instanceof IDBTransaction)\n cacheDonePromiseForTransaction(value);\n if (instanceOfAny(value, getIdbProxyableTypes()))\n return new Proxy(value, idbProxyTraps);\n // Return the same value back if we're not going to transform it.\n return value;\n}\nfunction wrap(value) {\n // We sometimes generate multiple promises from a single IDBRequest (eg when cursoring), because\n // IDB is weird and a single IDBRequest can yield many responses, so these can't be cached.\n if (value instanceof IDBRequest)\n return promisifyRequest(value);\n // If we've already transformed this value before, reuse the transformed value.\n // This is faster, but it also provides object equality.\n if (transformCache.has(value))\n return transformCache.get(value);\n const newValue = transformCachableValue(value);\n // Not all types are transformed.\n // These may be primitive types, so they can't be WeakMap keys.\n if (newValue !== value) {\n transformCache.set(value, newValue);\n reverseTransformCache.set(newValue, value);\n }\n return newValue;\n}\nconst unwrap = (value) => reverseTransformCache.get(value);\n\nexport { reverseTransformCache as a, instanceOfAny as i, replaceTraps as r, unwrap as u, wrap as w };\n","import { w as wrap, r as replaceTraps } from './wrap-idb-value.js';\nexport { u as unwrap, w as wrap } from './wrap-idb-value.js';\n\n/**\n * Open a database.\n *\n * @param name Name of the database.\n * @param version Schema version.\n * @param callbacks Additional callbacks.\n */\nfunction openDB(name, version, { blocked, upgrade, blocking, terminated } = {}) {\n const request = indexedDB.open(name, version);\n const openPromise = wrap(request);\n if (upgrade) {\n request.addEventListener('upgradeneeded', (event) => {\n upgrade(wrap(request.result), event.oldVersion, event.newVersion, wrap(request.transaction));\n });\n }\n if (blocked)\n request.addEventListener('blocked', () => blocked());\n openPromise\n .then((db) => {\n if (terminated)\n db.addEventListener('close', () => terminated());\n if (blocking)\n db.addEventListener('versionchange', () => blocking());\n })\n .catch(() => { });\n return openPromise;\n}\n/**\n * Delete a database.\n *\n * @param name Name of the database.\n */\nfunction deleteDB(name, { blocked } = {}) {\n const request = indexedDB.deleteDatabase(name);\n if (blocked)\n request.addEventListener('blocked', () => blocked());\n return wrap(request).then(() => undefined);\n}\n\nconst readMethods = ['get', 'getKey', 'getAll', 'getAllKeys', 'count'];\nconst writeMethods = ['put', 'add', 'delete', 'clear'];\nconst cachedMethods = new Map();\nfunction getMethod(target, prop) {\n if (!(target instanceof IDBDatabase &&\n !(prop in target) &&\n typeof prop === 'string')) {\n return;\n }\n if (cachedMethods.get(prop))\n return cachedMethods.get(prop);\n const targetFuncName = prop.replace(/FromIndex$/, '');\n const useIndex = prop !== targetFuncName;\n const isWrite = writeMethods.includes(targetFuncName);\n if (\n // Bail if the target doesn't exist on the target. Eg, getAll isn't in Edge.\n !(targetFuncName in (useIndex ? IDBIndex : IDBObjectStore).prototype) ||\n !(isWrite || readMethods.includes(targetFuncName))) {\n return;\n }\n const method = async function (storeName, ...args) {\n // isWrite ? 'readwrite' : undefined gzipps better, but fails in Edge :(\n const tx = this.transaction(storeName, isWrite ? 'readwrite' : 'readonly');\n let target = tx.store;\n if (useIndex)\n target = target.index(args.shift());\n // Must reject if op rejects.\n // If it's a write operation, must reject if tx.done rejects.\n // Must reject with op rejection first.\n // Must resolve with op value.\n // Must handle both promises (no unhandled rejections)\n return (await Promise.all([\n target[targetFuncName](...args),\n isWrite && tx.done,\n ]))[0];\n };\n cachedMethods.set(prop, method);\n return method;\n}\nreplaceTraps((oldTraps) => ({\n ...oldTraps,\n get: (target, prop, receiver) => getMethod(target, prop) || oldTraps.get(target, prop, receiver),\n has: (target, prop) => !!getMethod(target, prop) || oldTraps.has(target, prop),\n}));\n\nexport { deleteDB, openDB };\n","/**\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';\nimport { PlatformLoggerService, VersionService } from './types';\n\nexport class PlatformLoggerServiceImpl implements 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() as VersionService;\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(provider: Provider): boolean {\n const component = provider.getComponent();\n return component?.type === ComponentType.VERSION;\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/app');\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 { name as appName } from '../package.json';\nimport { name as appCompatName } from '../../app-compat/package.json';\nimport { name as analyticsCompatName } from '../../../packages/analytics-compat/package.json';\nimport { name as analyticsName } from '../../../packages/analytics/package.json';\nimport { name as appCheckCompatName } from '../../../packages/app-check-compat/package.json';\nimport { name as appCheckName } from '../../../packages/app-check/package.json';\nimport { name as authName } from '../../../packages/auth/package.json';\nimport { name as authCompatName } from '../../../packages/auth-compat/package.json';\nimport { name as databaseName } from '../../../packages/database/package.json';\nimport { name as databaseCompatName } from '../../../packages/database-compat/package.json';\nimport { name as functionsName } from '../../../packages/functions/package.json';\nimport { name as functionsCompatName } from '../../../packages/functions-compat/package.json';\nimport { name as installationsName } from '../../../packages/installations/package.json';\nimport { name as installationsCompatName } from '../../../packages/installations-compat/package.json';\nimport { name as messagingName } from '../../../packages/messaging/package.json';\nimport { name as messagingCompatName } from '../../../packages/messaging-compat/package.json';\nimport { name as performanceName } from '../../../packages/performance/package.json';\nimport { name as performanceCompatName } from '../../../packages/performance-compat/package.json';\nimport { name as remoteConfigName } from '../../../packages/remote-config/package.json';\nimport { name as remoteConfigCompatName } from '../../../packages/remote-config-compat/package.json';\nimport { name as storageName } from '../../../packages/storage/package.json';\nimport { name as storageCompatName } from '../../../packages/storage-compat/package.json';\nimport { name as firestoreName } from '../../../packages/firestore/package.json';\nimport { name as firestoreCompatName } from '../../../packages/firestore-compat/package.json';\nimport { name as packageName } from '../../../packages/firebase/package.json';\n\n/**\n * The default app name\n *\n * @internal\n */\nexport const DEFAULT_ENTRY_NAME = '[DEFAULT]';\n\nexport const PLATFORM_LOG_STRING = {\n [appName]: 'fire-core',\n [appCompatName]: 'fire-core-compat',\n [analyticsName]: 'fire-analytics',\n [analyticsCompatName]: 'fire-analytics-compat',\n [appCheckName]: 'fire-app-check',\n [appCheckCompatName]: 'fire-app-check-compat',\n [authName]: 'fire-auth',\n [authCompatName]: 'fire-auth-compat',\n [databaseName]: 'fire-rtdb',\n [databaseCompatName]: 'fire-rtdb-compat',\n [functionsName]: 'fire-fn',\n [functionsCompatName]: 'fire-fn-compat',\n [installationsName]: 'fire-iid',\n [installationsCompatName]: 'fire-iid-compat',\n [messagingName]: 'fire-fcm',\n [messagingCompatName]: 'fire-fcm-compat',\n [performanceName]: 'fire-perf',\n [performanceCompatName]: 'fire-perf-compat',\n [remoteConfigName]: 'fire-rc',\n [remoteConfigCompatName]: 'fire-rc-compat',\n [storageName]: 'fire-gcs',\n [storageCompatName]: 'fire-gcs-compat',\n [firestoreName]: 'fire-fst',\n [firestoreCompatName]: 'fire-fst-compat',\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 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 { FirebaseApp } from './public-types';\nimport { Component, Provider, Name } from '@firebase/component';\nimport { logger } from './logger';\nimport { DEFAULT_ENTRY_NAME } from './constants';\nimport { FirebaseAppImpl } from './firebaseApp';\n\n/**\n * @internal\n */\nexport const _apps = new Map();\n\n/**\n * Registered components.\n *\n * @internal\n */\n// eslint-disable-next-line @typescript-eslint/no-explicit-any\nexport const _components = new Map>();\n\n/**\n * @param component - the component being added to this app's container\n *\n * @internal\n */\nexport function _addComponent(\n app: FirebaseApp,\n component: Component\n): void {\n try {\n (app as FirebaseAppImpl).container.addComponent(component);\n } catch (e) {\n logger.debug(\n `Component ${component.name} failed to register with FirebaseApp ${app.name}`,\n e\n );\n }\n}\n\n/**\n *\n * @internal\n */\nexport function _addOrOverwriteComponent(\n app: FirebaseApp,\n component: Component\n): void {\n (app as FirebaseAppImpl).container.addOrOverwriteComponent(component);\n}\n\n/**\n *\n * @param component - the component to register\n * @returns whether or not the component is registered successfully\n *\n * @internal\n */\nexport function _registerComponent(\n component: Component\n): boolean {\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 false;\n }\n\n _components.set(componentName, component);\n\n // add the component to existing app instances\n for (const app of _apps.values()) {\n _addComponent(app as FirebaseAppImpl, component);\n }\n\n return true;\n}\n\n/**\n *\n * @param app - FirebaseApp instance\n * @param name - service name\n *\n * @returns the provider for the service with the matching name\n *\n * @internal\n */\nexport function _getProvider(\n app: FirebaseApp,\n name: T\n): Provider {\n const heartbeatController = (app as FirebaseAppImpl).container\n .getProvider('heartbeat')\n .getImmediate({ optional: true });\n if (heartbeatController) {\n void heartbeatController.triggerHeartbeat();\n }\n return (app as FirebaseAppImpl).container.getProvider(name);\n}\n\n/**\n *\n * @param app - FirebaseApp instance\n * @param name - service name\n * @param instanceIdentifier - service instance identifier in case the service supports multiple instances\n *\n * @internal\n */\nexport function _removeServiceInstance(\n app: FirebaseApp,\n name: T,\n instanceIdentifier: string = DEFAULT_ENTRY_NAME\n): void {\n _getProvider(app, name).clearInstance(instanceIdentifier);\n}\n\n/**\n * Test only\n *\n * @internal\n */\nexport function _clearComponents(): void {\n _components.clear();\n}\n\n/**\n * Exported in order to be used in app-compat package\n */\nexport { DEFAULT_ENTRY_NAME as _DEFAULT_ENTRY_NAME };\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 { 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 IDB_OPEN = 'idb-open',\n IDB_GET = 'idb-get',\n IDB_WRITE = 'idb-set',\n IDB_DELETE = 'idb-delete'\n}\n\nconst ERRORS: ErrorMap = {\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: '{$appName}\",\n [AppError.DUPLICATE_APP]:\n \"Firebase App named '{$appName}' already exists with different options or config\",\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]:\n 'First argument to `onLog` must be null or a function.',\n [AppError.IDB_OPEN]:\n 'Error thrown when opening IndexedDB. Original error: {$originalErrorMessage}.',\n [AppError.IDB_GET]:\n 'Error thrown when reading from IndexedDB. Original error: {$originalErrorMessage}.',\n [AppError.IDB_WRITE]:\n 'Error thrown when writing to IndexedDB. Original error: {$originalErrorMessage}.',\n [AppError.IDB_DELETE]:\n 'Error thrown when deleting from IndexedDB. Original error: {$originalErrorMessage}.'\n};\n\ninterface ErrorParams {\n [AppError.NO_APP]: { appName: string };\n [AppError.BAD_APP_NAME]: { appName: string };\n [AppError.DUPLICATE_APP]: { appName: string };\n [AppError.APP_DELETED]: { appName: string };\n [AppError.INVALID_APP_ARGUMENT]: { appName: string };\n [AppError.IDB_OPEN]: { originalErrorMessage?: string };\n [AppError.IDB_GET]: { originalErrorMessage?: string };\n [AppError.IDB_WRITE]: { originalErrorMessage?: string };\n [AppError.IDB_DELETE]: { originalErrorMessage?: string };\n}\n\nexport const ERROR_FACTORY = new ErrorFactory(\n 'app',\n 'Firebase',\n ERRORS\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 FirebaseApp,\n FirebaseOptions,\n FirebaseAppSettings\n} from './public-types';\nimport {\n ComponentContainer,\n Component,\n ComponentType\n} from '@firebase/component';\nimport { ERROR_FACTORY, AppError } from './errors';\n\nexport class FirebaseAppImpl implements FirebaseApp {\n private readonly _options: FirebaseOptions;\n private readonly _name: string;\n /**\n * Original config values passed in as a constructor parameter.\n * It is only used to compare with another config object to support idempotent initializeApp().\n *\n * Updating automaticDataCollectionEnabled on the App instance will not change its value in _config.\n */\n private readonly _config: Required;\n private _automaticDataCollectionEnabled: boolean;\n private _isDeleted = false;\n private readonly _container: ComponentContainer;\n\n constructor(\n options: FirebaseOptions,\n config: Required,\n container: ComponentContainer\n ) {\n this._options = { ...options };\n this._config = { ...config };\n this._name = config.name;\n this._automaticDataCollectionEnabled =\n config.automaticDataCollectionEnabled;\n this._container = container;\n this.container.addComponent(\n new Component('app', () => this, ComponentType.PUBLIC)\n );\n }\n\n get automaticDataCollectionEnabled(): boolean {\n this.checkDestroyed();\n return this._automaticDataCollectionEnabled;\n }\n\n set automaticDataCollectionEnabled(val: boolean) {\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 get config(): Required {\n this.checkDestroyed();\n return this._config;\n }\n\n get container(): ComponentContainer {\n return this._container;\n }\n\n get isDeleted(): boolean {\n return this._isDeleted;\n }\n\n set isDeleted(val: boolean) {\n this._isDeleted = val;\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 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 FirebaseAppSettings\n} from './public-types';\nimport { DEFAULT_ENTRY_NAME, PLATFORM_LOG_STRING } from './constants';\nimport { ERROR_FACTORY, AppError } from './errors';\nimport {\n ComponentContainer,\n Component,\n Name,\n ComponentType\n} from '@firebase/component';\nimport { version } from '../../firebase/package.json';\nimport { FirebaseAppImpl } from './firebaseApp';\nimport { _apps, _components, _registerComponent } from './internal';\nimport { logger } from './logger';\nimport {\n LogLevelString,\n setLogLevel as setLogLevelImpl,\n LogCallback,\n LogOptions,\n setUserLogHandler\n} from '@firebase/logger';\nimport { deepEqual } from '@firebase/util';\n\nexport { FirebaseError } from '@firebase/util';\n\n/**\n * The current SDK version.\n *\n * @public\n */\nexport const SDK_VERSION = version;\n\n/**\n * Creates and initializes a {@link @firebase/app#FirebaseApp} instance.\n *\n * See\n * {@link\n * https://firebase.google.com/docs/web/setup#add_firebase_to_your_app\n * | Add Firebase to your app} and\n * {@link\n * https://firebase.google.com/docs/web/setup#multiple-projects\n * | Initialize multiple projects} for detailed documentation.\n *\n * @example\n * ```javascript\n *\n * // Initialize default app\n * // Retrieve your own options values by adding a web app on\n * // https://console.firebase.google.com\n * initializeApp({\n * apiKey: \"AIza....\", // Auth / General Use\n * authDomain: \"YOUR_APP.firebaseapp.com\", // Auth with popup/redirect\n * databaseURL: \"https://YOUR_APP.firebaseio.com\", // Realtime Database\n * storageBucket: \"YOUR_APP.appspot.com\", // Storage\n * messagingSenderId: \"123456789\" // Cloud Messaging\n * });\n * ```\n *\n * @example\n * ```javascript\n *\n * // Initialize another app\n * const otherApp = initializeApp({\n * databaseURL: \"https://.firebaseio.com\",\n * storageBucket: \".appspot.com\"\n * }, \"otherApp\");\n * ```\n *\n * @param options - Options to configure the app's services.\n * @param name - Optional name of the app to initialize. If no name\n * is provided, the default is `\"[DEFAULT]\"`.\n *\n * @returns The initialized app.\n *\n * @public\n */\nexport function initializeApp(\n options: FirebaseOptions,\n name?: string\n): FirebaseApp;\n/**\n * Creates and initializes a FirebaseApp instance.\n *\n * @param options - Options to configure the app's services.\n * @param config - FirebaseApp Configuration\n *\n * @public\n */\nexport function initializeApp(\n options: FirebaseOptions,\n config?: FirebaseAppSettings\n): FirebaseApp;\nexport function initializeApp(\n options: FirebaseOptions,\n rawConfig = {}\n): FirebaseApp {\n if (typeof rawConfig !== 'object') {\n const name = rawConfig;\n rawConfig = { name };\n }\n\n const config: Required = {\n name: DEFAULT_ENTRY_NAME,\n automaticDataCollectionEnabled: false,\n ...rawConfig\n };\n const name = config.name;\n\n if (typeof name !== 'string' || !name) {\n throw ERROR_FACTORY.create(AppError.BAD_APP_NAME, {\n appName: String(name)\n });\n }\n\n const existingApp = _apps.get(name) as FirebaseAppImpl;\n if (existingApp) {\n // return the existing app if options and config deep equal the ones in the existing app.\n if (\n deepEqual(options, existingApp.options) &&\n deepEqual(config, existingApp.config)\n ) {\n return existingApp;\n } else {\n throw ERROR_FACTORY.create(AppError.DUPLICATE_APP, { appName: name });\n }\n }\n\n const container = new ComponentContainer(name);\n for (const component of _components.values()) {\n container.addComponent(component);\n }\n\n const newApp = new FirebaseAppImpl(options, config, container);\n\n _apps.set(name, newApp);\n\n return newApp;\n}\n\n/**\n * Retrieves a {@link @firebase/app#FirebaseApp} instance.\n *\n * When called with no arguments, the default app is returned. When an app name\n * is provided, the app corresponding to that name is returned.\n *\n * An exception is thrown if the app being retrieved has not yet been\n * initialized.\n *\n * @example\n * ```javascript\n * // Return the default app\n * const app = getApp();\n * ```\n *\n * @example\n * ```javascript\n * // Return a named app\n * const otherApp = getApp(\"otherApp\");\n * ```\n *\n * @param name - Optional name of the app to return. If no name is\n * provided, the default is `\"[DEFAULT]\"`.\n *\n * @returns The app corresponding to the provided app name.\n * If no app name is provided, the default app is returned.\n *\n * @public\n */\nexport function getApp(name: string = DEFAULT_ENTRY_NAME): FirebaseApp {\n const app = _apps.get(name);\n if (!app) {\n throw ERROR_FACTORY.create(AppError.NO_APP, { appName: name });\n }\n\n return app;\n}\n\n/**\n * A (read-only) array of all initialized apps.\n * @public\n */\nexport function getApps(): FirebaseApp[] {\n return Array.from(_apps.values());\n}\n\n/**\n * Renders this app unusable and frees the resources of all associated\n * services.\n *\n * @example\n * ```javascript\n * deleteApp(app)\n * .then(function() {\n * console.log(\"App deleted successfully\");\n * })\n * .catch(function(error) {\n * console.log(\"Error deleting app:\", error);\n * });\n * ```\n *\n * @public\n */\nexport async function deleteApp(app: FirebaseApp): Promise {\n const name = app.name;\n if (_apps.has(name)) {\n _apps.delete(name);\n await Promise.all(\n (app as FirebaseAppImpl).container\n .getProviders()\n .map(provider => provider.delete())\n );\n (app as FirebaseAppImpl).isDeleted = true;\n }\n}\n\n/**\n * Registers a library's name and version for platform logging purposes.\n * @param library - Name of 1p or 3p library (e.g. firestore, angularfire)\n * @param version - Current version of that library.\n * @param variant - Bundle variant, e.g., node, rn, etc.\n *\n * @public\n */\nexport 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/**\n * Sets log handler for all Firebase SDKs.\n * @param logCallback - An optional custom log handler that executes user code whenever\n * the Firebase SDK makes a logging call.\n *\n * @public\n */\nexport function onLog(\n logCallback: LogCallback | null,\n options?: LogOptions\n): void {\n if (logCallback !== null && typeof logCallback !== 'function') {\n throw ERROR_FACTORY.create(AppError.INVALID_LOG_ARGUMENT);\n }\n setUserLogHandler(logCallback, options);\n}\n\n/**\n * Sets log level for all Firebase SDKs.\n *\n * All of the log types above the current log level are captured (i.e. if\n * you set the log level to `info`, errors are logged, but `debug` and\n * `verbose` logs are not).\n *\n * @public\n */\nexport function setLogLevel(logLevel: LogLevelString): void {\n setLogLevelImpl(logLevel);\n}\n","/**\n * @license\n * Copyright 2021 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 { FirebaseError } from '@firebase/util';\nimport { DBSchema, openDB, IDBPDatabase } from 'idb';\nimport { AppError, ERROR_FACTORY } from './errors';\nimport { FirebaseApp } from './public-types';\nimport { HeartbeatsInIndexedDB } from './types';\nimport { logger } from './logger';\n\nconst DB_NAME = 'firebase-heartbeat-database';\nconst DB_VERSION = 1;\nconst STORE_NAME = 'firebase-heartbeat-store';\n\ninterface AppDB extends DBSchema {\n 'firebase-heartbeat-store': {\n key: string;\n value: HeartbeatsInIndexedDB;\n };\n}\n\nlet dbPromise: Promise> | null = null;\nfunction getDbPromise(): Promise> {\n if (!dbPromise) {\n dbPromise = openDB(DB_NAME, DB_VERSION, {\n upgrade: (db, oldVersion) => {\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 (oldVersion) {\n case 0:\n db.createObjectStore(STORE_NAME);\n }\n }\n }).catch(e => {\n throw ERROR_FACTORY.create(AppError.IDB_OPEN, {\n originalErrorMessage: e.message\n });\n });\n }\n return dbPromise;\n}\n\nexport async function readHeartbeatsFromIndexedDB(\n app: FirebaseApp\n): Promise {\n try {\n const db = await getDbPromise();\n return db\n .transaction(STORE_NAME)\n .objectStore(STORE_NAME)\n .get(computeKey(app)) as Promise;\n } catch (e) {\n if (e instanceof FirebaseError) {\n logger.warn(e.message);\n } else {\n const idbGetError = ERROR_FACTORY.create(AppError.IDB_GET, {\n originalErrorMessage: (e as Error)?.message\n });\n logger.warn(idbGetError.message);\n }\n }\n}\n\nexport async function writeHeartbeatsToIndexedDB(\n app: FirebaseApp,\n heartbeatObject: HeartbeatsInIndexedDB\n): Promise {\n try {\n const db = await getDbPromise();\n const tx = db.transaction(STORE_NAME, 'readwrite');\n const objectStore = tx.objectStore(STORE_NAME);\n await objectStore.put(heartbeatObject, computeKey(app));\n return tx.done;\n } catch (e) {\n if (e instanceof FirebaseError) {\n logger.warn(e.message);\n } else {\n const idbGetError = ERROR_FACTORY.create(AppError.IDB_WRITE, {\n originalErrorMessage: (e as Error)?.message\n });\n logger.warn(idbGetError.message);\n }\n }\n}\n\nfunction computeKey(app: FirebaseApp): string {\n return `${app.name}!${app.options.appId}`;\n}\n","/**\n * @license\n * Copyright 2021 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 { ComponentContainer } from '@firebase/component';\nimport {\n base64urlEncodeWithoutPadding,\n isIndexedDBAvailable,\n validateIndexedDBOpenable\n} from '@firebase/util';\nimport {\n readHeartbeatsFromIndexedDB,\n writeHeartbeatsToIndexedDB\n} from './indexeddb';\nimport { FirebaseApp } from './public-types';\nimport {\n HeartbeatsByUserAgent,\n HeartbeatService,\n HeartbeatsInIndexedDB,\n HeartbeatStorage,\n SingleDateHeartbeat\n} from './types';\n\nconst MAX_HEADER_BYTES = 1024;\n// 30 days\nconst STORED_HEARTBEAT_RETENTION_MAX_MILLIS = 30 * 24 * 60 * 60 * 1000;\n\nexport class HeartbeatServiceImpl implements HeartbeatService {\n /**\n * The persistence layer for heartbeats\n * Leave public for easier testing.\n */\n _storage: HeartbeatStorageImpl;\n\n /**\n * In-memory cache for heartbeats, used by getHeartbeatsHeader() to generate\n * the header string.\n * Stores one record per date. This will be consolidated into the standard\n * format of one record per user agent string before being sent as a header.\n * Populated from indexedDB when the controller is instantiated and should\n * be kept in sync with indexedDB.\n * Leave public for easier testing.\n */\n _heartbeatsCache: HeartbeatsInIndexedDB | null = null;\n\n /**\n * the initialization promise for populating heartbeatCache.\n * If getHeartbeatsHeader() is called before the promise resolves\n * (hearbeatsCache == null), it should wait for this promise\n * Leave public for easier testing.\n */\n _heartbeatsCachePromise: Promise;\n constructor(private readonly container: ComponentContainer) {\n const app = this.container.getProvider('app').getImmediate();\n this._storage = new HeartbeatStorageImpl(app);\n this._heartbeatsCachePromise = this._storage.read().then(result => {\n this._heartbeatsCache = result;\n return result;\n });\n }\n\n /**\n * Called to report a heartbeat. The function will generate\n * a HeartbeatsByUserAgent object, update heartbeatsCache, and persist it\n * to IndexedDB.\n * Note that we only store one heartbeat per day. So if a heartbeat for today is\n * already logged, subsequent calls to this function in the same day will be ignored.\n */\n async triggerHeartbeat(): Promise {\n const platformLogger = this.container\n .getProvider('platform-logger')\n .getImmediate();\n\n // This is the \"Firebase user agent\" string from the platform logger\n // service, not the browser user agent.\n const agent = platformLogger.getPlatformInfoString();\n const date = getUTCDateString();\n if (this._heartbeatsCache === null) {\n this._heartbeatsCache = await this._heartbeatsCachePromise;\n }\n // Do not store a heartbeat if one is already stored for this day\n // or if a header has already been sent today.\n if (\n this._heartbeatsCache.lastSentHeartbeatDate === date ||\n this._heartbeatsCache.heartbeats.some(\n singleDateHeartbeat => singleDateHeartbeat.date === date\n )\n ) {\n return;\n } else {\n // There is no entry for this date. Create one.\n this._heartbeatsCache.heartbeats.push({ date, agent });\n }\n // Remove entries older than 30 days.\n this._heartbeatsCache.heartbeats = this._heartbeatsCache.heartbeats.filter(\n singleDateHeartbeat => {\n const hbTimestamp = new Date(singleDateHeartbeat.date).valueOf();\n const now = Date.now();\n return now - hbTimestamp <= STORED_HEARTBEAT_RETENTION_MAX_MILLIS;\n }\n );\n return this._storage.overwrite(this._heartbeatsCache);\n }\n\n /**\n * Returns a base64 encoded string which can be attached to the heartbeat-specific header directly.\n * It also clears all heartbeats from memory as well as in IndexedDB.\n *\n * NOTE: Consuming product SDKs should not send the header if this method\n * returns an empty string.\n */\n async getHeartbeatsHeader(): Promise {\n if (this._heartbeatsCache === null) {\n await this._heartbeatsCachePromise;\n }\n // If it's still null or the array is empty, there is no data to send.\n if (\n this._heartbeatsCache === null ||\n this._heartbeatsCache.heartbeats.length === 0\n ) {\n return '';\n }\n const date = getUTCDateString();\n // Extract as many heartbeats from the cache as will fit under the size limit.\n const { heartbeatsToSend, unsentEntries } = extractHeartbeatsForHeader(\n this._heartbeatsCache.heartbeats\n );\n const headerString = base64urlEncodeWithoutPadding(\n JSON.stringify({ version: 2, heartbeats: heartbeatsToSend })\n );\n // Store last sent date to prevent another being logged/sent for the same day.\n this._heartbeatsCache.lastSentHeartbeatDate = date;\n if (unsentEntries.length > 0) {\n // Store any unsent entries if they exist.\n this._heartbeatsCache.heartbeats = unsentEntries;\n // This seems more likely than emptying the array (below) to lead to some odd state\n // since the cache isn't empty and this will be called again on the next request,\n // and is probably safest if we await it.\n await this._storage.overwrite(this._heartbeatsCache);\n } else {\n this._heartbeatsCache.heartbeats = [];\n // Do not wait for this, to reduce latency.\n void this._storage.overwrite(this._heartbeatsCache);\n }\n return headerString;\n }\n}\n\nfunction getUTCDateString(): string {\n const today = new Date();\n // Returns date format 'YYYY-MM-DD'\n return today.toISOString().substring(0, 10);\n}\n\nexport function extractHeartbeatsForHeader(\n heartbeatsCache: SingleDateHeartbeat[],\n maxSize = MAX_HEADER_BYTES\n): {\n heartbeatsToSend: HeartbeatsByUserAgent[];\n unsentEntries: SingleDateHeartbeat[];\n} {\n // Heartbeats grouped by user agent in the standard format to be sent in\n // the header.\n const heartbeatsToSend: HeartbeatsByUserAgent[] = [];\n // Single date format heartbeats that are not sent.\n let unsentEntries = heartbeatsCache.slice();\n for (const singleDateHeartbeat of heartbeatsCache) {\n // Look for an existing entry with the same user agent.\n const heartbeatEntry = heartbeatsToSend.find(\n hb => hb.agent === singleDateHeartbeat.agent\n );\n if (!heartbeatEntry) {\n // If no entry for this user agent exists, create one.\n heartbeatsToSend.push({\n agent: singleDateHeartbeat.agent,\n dates: [singleDateHeartbeat.date]\n });\n if (countBytes(heartbeatsToSend) > maxSize) {\n // If the header would exceed max size, remove the added heartbeat\n // entry and stop adding to the header.\n heartbeatsToSend.pop();\n break;\n }\n } else {\n heartbeatEntry.dates.push(singleDateHeartbeat.date);\n // If the header would exceed max size, remove the added date\n // and stop adding to the header.\n if (countBytes(heartbeatsToSend) > maxSize) {\n heartbeatEntry.dates.pop();\n break;\n }\n }\n // Pop unsent entry from queue. (Skipped if adding the entry exceeded\n // quota and the loop breaks early.)\n unsentEntries = unsentEntries.slice(1);\n }\n return {\n heartbeatsToSend,\n unsentEntries\n };\n}\n\nexport class HeartbeatStorageImpl implements HeartbeatStorage {\n private _canUseIndexedDBPromise: Promise;\n constructor(public app: FirebaseApp) {\n this._canUseIndexedDBPromise = this.runIndexedDBEnvironmentCheck();\n }\n async runIndexedDBEnvironmentCheck(): Promise {\n if (!isIndexedDBAvailable()) {\n return false;\n } else {\n return validateIndexedDBOpenable()\n .then(() => true)\n .catch(() => false);\n }\n }\n /**\n * Read all heartbeats.\n */\n async read(): Promise {\n const canUseIndexedDB = await this._canUseIndexedDBPromise;\n if (!canUseIndexedDB) {\n return { heartbeats: [] };\n } else {\n const idbHeartbeatObject = await readHeartbeatsFromIndexedDB(this.app);\n return idbHeartbeatObject || { heartbeats: [] };\n }\n }\n // overwrite the storage with the provided heartbeats\n async overwrite(heartbeatsObject: HeartbeatsInIndexedDB): Promise {\n const canUseIndexedDB = await this._canUseIndexedDBPromise;\n if (!canUseIndexedDB) {\n return;\n } else {\n const existingHeartbeatsObject = await this.read();\n return writeHeartbeatsToIndexedDB(this.app, {\n lastSentHeartbeatDate:\n heartbeatsObject.lastSentHeartbeatDate ??\n existingHeartbeatsObject.lastSentHeartbeatDate,\n heartbeats: heartbeatsObject.heartbeats\n });\n }\n }\n // add heartbeats\n async add(heartbeatsObject: HeartbeatsInIndexedDB): Promise {\n const canUseIndexedDB = await this._canUseIndexedDBPromise;\n if (!canUseIndexedDB) {\n return;\n } else {\n const existingHeartbeatsObject = await this.read();\n return writeHeartbeatsToIndexedDB(this.app, {\n lastSentHeartbeatDate:\n heartbeatsObject.lastSentHeartbeatDate ??\n existingHeartbeatsObject.lastSentHeartbeatDate,\n heartbeats: [\n ...existingHeartbeatsObject.heartbeats,\n ...heartbeatsObject.heartbeats\n ]\n });\n }\n }\n}\n\n/**\n * Calculate bytes of a HeartbeatsByUserAgent array after being wrapped\n * in a platform logging header JSON object, stringified, and converted\n * to base 64.\n */\nexport function countBytes(heartbeatsCache: HeartbeatsByUserAgent[]): number {\n // base64 has a restricted set of characters, all of which should be 1 byte.\n return base64urlEncodeWithoutPadding(\n // heartbeatsCache wrapper properties\n JSON.stringify({ version: 2, heartbeats: heartbeatsCache })\n ).length;\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 { Component, ComponentType } from '@firebase/component';\nimport { PlatformLoggerServiceImpl } from './platformLoggerService';\nimport { name, version } from '../package.json';\nimport { _registerComponent } from './internal';\nimport { registerVersion } from './api';\nimport { HeartbeatServiceImpl } from './heartbeatService';\n\nexport function registerCoreComponents(variant?: string): void {\n _registerComponent(\n new Component(\n 'platform-logger',\n container => new PlatformLoggerServiceImpl(container),\n ComponentType.PRIVATE\n )\n );\n _registerComponent(\n new Component(\n 'heartbeat',\n container => new HeartbeatServiceImpl(container),\n ComponentType.PRIVATE\n )\n );\n\n // Register `app` package.\n registerVersion(name, version, variant);\n // BUILD_TARGET will be replaced by values like esm5, esm2017, cjs5, etc during the compilation\n registerVersion(name, version, '__BUILD_TARGET__');\n // Register platform SDK identifier (no version).\n registerVersion('fire-js', '');\n}\n","/**\n * Firebase App\n *\n * @remarks This package coordinates the communication between the different Firebase components\n * @packageDocumentation\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 { registerCoreComponents } from './registerCoreComponents';\n\nexport * from './api';\nexport * from './internal';\nexport * from './public-types';\n\nregisterCoreComponents('__RUNTIME_ENV__');\n","/**\n * @license\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\nimport { registerVersion } from '@firebase/app';\nimport { name, version } from '../package.json';\n\nregisterVersion(name, version, 'app');\nexport * from '@firebase/app';\n","const instanceOfAny = (object, constructors) => constructors.some((c) => object instanceof c);\n\nlet idbProxyableTypes;\nlet cursorAdvanceMethods;\n// This is a function to prevent it throwing up in node environments.\nfunction getIdbProxyableTypes() {\n return (idbProxyableTypes ||\n (idbProxyableTypes = [\n IDBDatabase,\n IDBObjectStore,\n IDBIndex,\n IDBCursor,\n IDBTransaction,\n ]));\n}\n// This is a function to prevent it throwing up in node environments.\nfunction getCursorAdvanceMethods() {\n return (cursorAdvanceMethods ||\n (cursorAdvanceMethods = [\n IDBCursor.prototype.advance,\n IDBCursor.prototype.continue,\n IDBCursor.prototype.continuePrimaryKey,\n ]));\n}\nconst cursorRequestMap = new WeakMap();\nconst transactionDoneMap = new WeakMap();\nconst transactionStoreNamesMap = new WeakMap();\nconst transformCache = new WeakMap();\nconst reverseTransformCache = new WeakMap();\nfunction promisifyRequest(request) {\n const promise = new Promise((resolve, reject) => {\n const unlisten = () => {\n request.removeEventListener('success', success);\n request.removeEventListener('error', error);\n };\n const success = () => {\n resolve(wrap(request.result));\n unlisten();\n };\n const error = () => {\n reject(request.error);\n unlisten();\n };\n request.addEventListener('success', success);\n request.addEventListener('error', error);\n });\n promise\n .then((value) => {\n // Since cursoring reuses the IDBRequest (*sigh*), we cache it for later retrieval\n // (see wrapFunction).\n if (value instanceof IDBCursor) {\n cursorRequestMap.set(value, request);\n }\n // Catching to avoid \"Uncaught Promise exceptions\"\n })\n .catch(() => { });\n // This mapping exists in reverseTransformCache but doesn't doesn't exist in transformCache. This\n // is because we create many promises from a single IDBRequest.\n reverseTransformCache.set(promise, request);\n return promise;\n}\nfunction cacheDonePromiseForTransaction(tx) {\n // Early bail if we've already created a done promise for this transaction.\n if (transactionDoneMap.has(tx))\n return;\n const done = new Promise((resolve, reject) => {\n const unlisten = () => {\n tx.removeEventListener('complete', complete);\n tx.removeEventListener('error', error);\n tx.removeEventListener('abort', error);\n };\n const complete = () => {\n resolve();\n unlisten();\n };\n const error = () => {\n reject(tx.error || new DOMException('AbortError', 'AbortError'));\n unlisten();\n };\n tx.addEventListener('complete', complete);\n tx.addEventListener('error', error);\n tx.addEventListener('abort', error);\n });\n // Cache it for later retrieval.\n transactionDoneMap.set(tx, done);\n}\nlet idbProxyTraps = {\n get(target, prop, receiver) {\n if (target instanceof IDBTransaction) {\n // Special handling for transaction.done.\n if (prop === 'done')\n return transactionDoneMap.get(target);\n // Polyfill for objectStoreNames because of Edge.\n if (prop === 'objectStoreNames') {\n return target.objectStoreNames || transactionStoreNamesMap.get(target);\n }\n // Make tx.store return the only store in the transaction, or undefined if there are many.\n if (prop === 'store') {\n return receiver.objectStoreNames[1]\n ? undefined\n : receiver.objectStore(receiver.objectStoreNames[0]);\n }\n }\n // Else transform whatever we get back.\n return wrap(target[prop]);\n },\n set(target, prop, value) {\n target[prop] = value;\n return true;\n },\n has(target, prop) {\n if (target instanceof IDBTransaction &&\n (prop === 'done' || prop === 'store')) {\n return true;\n }\n return prop in target;\n },\n};\nfunction replaceTraps(callback) {\n idbProxyTraps = callback(idbProxyTraps);\n}\nfunction wrapFunction(func) {\n // Due to expected object equality (which is enforced by the caching in `wrap`), we\n // only create one new func per func.\n // Edge doesn't support objectStoreNames (booo), so we polyfill it here.\n if (func === IDBDatabase.prototype.transaction &&\n !('objectStoreNames' in IDBTransaction.prototype)) {\n return function (storeNames, ...args) {\n const tx = func.call(unwrap(this), storeNames, ...args);\n transactionStoreNamesMap.set(tx, storeNames.sort ? storeNames.sort() : [storeNames]);\n return wrap(tx);\n };\n }\n // Cursor methods are special, as the behaviour is a little more different to standard IDB. In\n // IDB, you advance the cursor and wait for a new 'success' on the IDBRequest that gave you the\n // cursor. It's kinda like a promise that can resolve with many values. That doesn't make sense\n // with real promises, so each advance methods returns a new promise for the cursor object, or\n // undefined if the end of the cursor has been reached.\n if (getCursorAdvanceMethods().includes(func)) {\n return function (...args) {\n // Calling the original function with the proxy as 'this' causes ILLEGAL INVOCATION, so we use\n // the original object.\n func.apply(unwrap(this), args);\n return wrap(cursorRequestMap.get(this));\n };\n }\n return function (...args) {\n // Calling the original function with the proxy as 'this' causes ILLEGAL INVOCATION, so we use\n // the original object.\n return wrap(func.apply(unwrap(this), args));\n };\n}\nfunction transformCachableValue(value) {\n if (typeof value === 'function')\n return wrapFunction(value);\n // This doesn't return, it just creates a 'done' promise for the transaction,\n // which is later returned for transaction.done (see idbObjectHandler).\n if (value instanceof IDBTransaction)\n cacheDonePromiseForTransaction(value);\n if (instanceOfAny(value, getIdbProxyableTypes()))\n return new Proxy(value, idbProxyTraps);\n // Return the same value back if we're not going to transform it.\n return value;\n}\nfunction wrap(value) {\n // We sometimes generate multiple promises from a single IDBRequest (eg when cursoring), because\n // IDB is weird and a single IDBRequest can yield many responses, so these can't be cached.\n if (value instanceof IDBRequest)\n return promisifyRequest(value);\n // If we've already transformed this value before, reuse the transformed value.\n // This is faster, but it also provides object equality.\n if (transformCache.has(value))\n return transformCache.get(value);\n const newValue = transformCachableValue(value);\n // Not all types are transformed.\n // These may be primitive types, so they can't be WeakMap keys.\n if (newValue !== value) {\n transformCache.set(value, newValue);\n reverseTransformCache.set(newValue, value);\n }\n return newValue;\n}\nconst unwrap = (value) => reverseTransformCache.get(value);\n\nexport { reverseTransformCache as a, instanceOfAny as i, replaceTraps as r, unwrap as u, wrap as w };\n","import { w as wrap, r as replaceTraps } from './wrap-idb-value.js';\nexport { u as unwrap, w as wrap } from './wrap-idb-value.js';\n\n/**\n * Open a database.\n *\n * @param name Name of the database.\n * @param version Schema version.\n * @param callbacks Additional callbacks.\n */\nfunction openDB(name, version, { blocked, upgrade, blocking, terminated } = {}) {\n const request = indexedDB.open(name, version);\n const openPromise = wrap(request);\n if (upgrade) {\n request.addEventListener('upgradeneeded', (event) => {\n upgrade(wrap(request.result), event.oldVersion, event.newVersion, wrap(request.transaction));\n });\n }\n if (blocked)\n request.addEventListener('blocked', () => blocked());\n openPromise\n .then((db) => {\n if (terminated)\n db.addEventListener('close', () => terminated());\n if (blocking)\n db.addEventListener('versionchange', () => blocking());\n })\n .catch(() => { });\n return openPromise;\n}\n/**\n * Delete a database.\n *\n * @param name Name of the database.\n */\nfunction deleteDB(name, { blocked } = {}) {\n const request = indexedDB.deleteDatabase(name);\n if (blocked)\n request.addEventListener('blocked', () => blocked());\n return wrap(request).then(() => undefined);\n}\n\nconst readMethods = ['get', 'getKey', 'getAll', 'getAllKeys', 'count'];\nconst writeMethods = ['put', 'add', 'delete', 'clear'];\nconst cachedMethods = new Map();\nfunction getMethod(target, prop) {\n if (!(target instanceof IDBDatabase &&\n !(prop in target) &&\n typeof prop === 'string')) {\n return;\n }\n if (cachedMethods.get(prop))\n return cachedMethods.get(prop);\n const targetFuncName = prop.replace(/FromIndex$/, '');\n const useIndex = prop !== targetFuncName;\n const isWrite = writeMethods.includes(targetFuncName);\n if (\n // Bail if the target doesn't exist on the target. Eg, getAll isn't in Edge.\n !(targetFuncName in (useIndex ? IDBIndex : IDBObjectStore).prototype) ||\n !(isWrite || readMethods.includes(targetFuncName))) {\n return;\n }\n const method = async function (storeName, ...args) {\n // isWrite ? 'readwrite' : undefined gzipps better, but fails in Edge :(\n const tx = this.transaction(storeName, isWrite ? 'readwrite' : 'readonly');\n let target = tx.store;\n if (useIndex)\n target = target.index(args.shift());\n // Must reject if op rejects.\n // If it's a write operation, must reject if tx.done rejects.\n // Must reject with op rejection first.\n // Must resolve with op value.\n // Must handle both promises (no unhandled rejections)\n return (await Promise.all([\n target[targetFuncName](...args),\n isWrite && tx.done,\n ]))[0];\n };\n cachedMethods.set(prop, method);\n return method;\n}\nreplaceTraps((oldTraps) => ({\n ...oldTraps,\n get: (target, prop, receiver) => getMethod(target, prop) || oldTraps.get(target, prop, receiver),\n has: (target, prop) => !!getMethod(target, prop) || oldTraps.has(target, prop),\n}));\n\nexport { deleteDB, openDB };\n","/**\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 { 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 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 { 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(\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 & { customData: 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 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 { FirebaseError } from '@firebase/util';\nimport { GenerateAuthTokenResponse } from '../interfaces/api-response';\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';\nimport { AppConfig } from '../interfaces/installation-impl';\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 {\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\n): Promise {\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 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 { CreateInstallationResponse } from '../interfaces/api-response';\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';\nimport { FirebaseInstallationsImpl } from '../interfaces/installation-impl';\n\nexport async function createInstallationRequest(\n { appConfig, heartbeatServiceProvider }: FirebaseInstallationsImpl,\n { fid }: InProgressInstallationEntry\n): Promise {\n const endpoint = getInstallationsEndpoint(appConfig);\n\n const headers = getHeaders(appConfig);\n\n // If heartbeat service exists, add the heartbeat string to the header.\n const heartbeatService = heartbeatServiceProvider.getImmediate({\n optional: true\n });\n if (heartbeatService) {\n const heartbeatsHeader = await heartbeatService.getHeartbeatsHeader();\n if (heartbeatsHeader) {\n headers.append('x-firebase-client', heartbeatsHeader);\n }\n }\n\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 LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\n/** Returns a promise that resolves after given time passes. */\nexport function sleep(ms: number): Promise {\n return new Promise(resolve => {\n setTimeout(resolve, ms);\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 { 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 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\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 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 { AppConfig } from '../interfaces/installation-impl';\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 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 { getKey } from '../util/get-key';\nimport { AppConfig } from '../interfaces/installation-impl';\nimport { IdChangeCallbackFn } from '../api';\n\nconst fidChangeCallbacks: Map> = 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 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 { DBSchema, IDBPDatabase, openDB } from 'idb';\nimport { AppConfig } from '../interfaces/installation-impl';\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\ninterface InstallationsDB extends DBSchema {\n 'firebase-installations-store': {\n key: string;\n value: InstallationEntry | undefined;\n };\n}\n\nlet dbPromise: Promise> | null = null;\nfunction getDbPromise(): Promise> {\n if (!dbPromise) {\n dbPromise = openDB(DATABASE_NAME, DATABASE_VERSION, {\n upgrade: (db, oldVersion) => {\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 (oldVersion) {\n case 0:\n db.createObjectStore(OBJECT_STORE_NAME);\n }\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 {\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) as Promise;\n}\n\n/** Assigns or overwrites the record for the given key with the given value. */\nexport async function set(\n appConfig: AppConfig,\n value: ValueType\n): Promise {\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)) as InstallationEntry;\n await objectStore.put(value, key);\n await tx.done;\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 {\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.done;\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(\n appConfig: AppConfig,\n updateFn: (previousValue: InstallationEntry | undefined) => ValueType\n): Promise {\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(\n key\n )) as InstallationEntry;\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.done;\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 {\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.done;\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 { createInstallationRequest } from '../functions/create-installation-request';\nimport {\n AppConfig,\n FirebaseInstallationsImpl\n} from '../interfaces/installation-impl';\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;\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 installations: FirebaseInstallationsImpl\n): Promise {\n let registrationPromise: Promise | undefined;\n\n const installationEntry = await update(installations.appConfig, oldEntry => {\n const installationEntry = updateOrCreateInstallationEntry(oldEntry);\n const entryWithPromise = triggerRegistrationIfNecessary(\n installations,\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 installations: FirebaseInstallationsImpl,\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 installations,\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(installations)\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 installations: FirebaseInstallationsImpl,\n installationEntry: InProgressInstallationEntry\n): Promise {\n try {\n const registeredInstallationEntry = await createInstallationRequest(\n installations,\n installationEntry\n );\n return set(installations.appConfig, registeredInstallationEntry);\n } catch (e) {\n if (isServerError(e) && e.customData.serverCode === 409) {\n // Server returned a \"FID can not be used\" error.\n // Generate a new ID next time.\n await remove(installations.appConfig);\n } else {\n // Registration failed. Set FID as not registered.\n await set(installations.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 installations: FirebaseInstallationsImpl\n): Promise {\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(\n installations.appConfig\n );\n while (entry.registrationStatus === RequestStatus.IN_PROGRESS) {\n // createInstallation request still in progress.\n await sleep(100);\n\n entry = await updateInstallationRequest(installations.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 { installationEntry, registrationPromise } =\n await getInstallationEntry(installations);\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 {\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 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 { GenerateAuthTokenResponse } from '../interfaces/api-response';\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';\nimport {\n FirebaseInstallationsImpl,\n AppConfig\n} from '../interfaces/installation-impl';\n\nexport async function generateAuthTokenRequest(\n { appConfig, heartbeatServiceProvider }: FirebaseInstallationsImpl,\n installationEntry: RegisteredInstallationEntry\n): Promise {\n const endpoint = getGenerateAuthTokenEndpoint(appConfig, installationEntry);\n\n const headers = getHeadersWithAuth(appConfig, installationEntry);\n\n // If heartbeat service exists, add the heartbeat string to the header.\n const heartbeatService = heartbeatServiceProvider.getImmediate({\n optional: true\n });\n if (heartbeatService) {\n const heartbeatsHeader = await heartbeatService.getHeartbeatsHeader();\n if (heartbeatsHeader) {\n headers.append('x-firebase-client', heartbeatsHeader);\n }\n }\n\n const body = {\n installation: {\n sdkVersion: PACKAGE_VERSION,\n appId: appConfig.appId\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 =\n extractAuthTokenInfoFromResponse(responseValue);\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 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 { generateAuthTokenRequest } from '../functions/generate-auth-token-request';\nimport {\n AppConfig,\n FirebaseInstallationsImpl\n} from '../interfaces/installation-impl';\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 installations: FirebaseInstallationsImpl,\n forceRefresh = false\n): Promise {\n let tokenPromise: Promise | undefined;\n const entry = await update(installations.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(installations, 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(installations, 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 installations: FirebaseInstallationsImpl,\n forceRefresh: boolean\n): Promise {\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(installations.appConfig);\n while (entry.authToken.requestStatus === RequestStatus.IN_PROGRESS) {\n // generateAuthToken still in progress.\n await sleep(100);\n\n entry = await updateAuthTokenRequest(installations.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(installations, 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 {\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 installations: FirebaseInstallationsImpl,\n installationEntry: RegisteredInstallationEntry\n): Promise {\n try {\n const authToken = await generateAuthTokenRequest(\n installations,\n installationEntry\n );\n const updatedInstallationEntry: RegisteredInstallationEntry = {\n ...installationEntry,\n authToken\n };\n await set(installations.appConfig, updatedInstallationEntry);\n return authToken;\n } catch (e) {\n if (\n isServerError(e) &&\n (e.customData.serverCode === 401 || e.customData.serverCode === 404)\n ) {\n // Server returned a \"FID not found\" or a \"Invalid authentication\" error.\n // Generate a new ID next time.\n await remove(installations.appConfig);\n } else {\n const updatedInstallationEntry: RegisteredInstallationEntry = {\n ...installationEntry,\n authToken: { requestStatus: RequestStatus.NOT_STARTED }\n };\n await set(installations.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 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 { getInstallationEntry } from '../helpers/get-installation-entry';\nimport { refreshAuthToken } from '../helpers/refresh-auth-token';\nimport { FirebaseInstallationsImpl } from '../interfaces/installation-impl';\nimport { Installations } from '../interfaces/public-types';\n\n/**\n * Creates a Firebase Installation if there isn't one for the app and\n * returns the Installation ID.\n * @param installations - The `Installations` instance.\n *\n * @public\n */\nexport async function getId(installations: Installations): Promise {\n const installationsImpl = installations as FirebaseInstallationsImpl;\n const { installationEntry, registrationPromise } = await getInstallationEntry(\n installationsImpl\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(installationsImpl).catch(console.error);\n }\n\n return installationEntry.fid;\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 { getInstallationEntry } from '../helpers/get-installation-entry';\nimport { refreshAuthToken } from '../helpers/refresh-auth-token';\nimport { FirebaseInstallationsImpl } from '../interfaces/installation-impl';\nimport { Installations } from '../interfaces/public-types';\n\n/**\n * Returns a Firebase Installations auth token, identifying the current\n * Firebase Installation.\n * @param installations - The `Installations` instance.\n * @param forceRefresh - Force refresh regardless of token expiration.\n *\n * @public\n */\nexport async function getToken(\n installations: Installations,\n forceRefresh = false\n): Promise {\n const installationsImpl = installations as FirebaseInstallationsImpl;\n await completeInstallationRegistration(installationsImpl);\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(installationsImpl, forceRefresh);\n return authToken.token;\n}\n\nasync function completeInstallationRegistration(\n installations: FirebaseInstallationsImpl\n): Promise {\n const { registrationPromise } = await getInstallationEntry(installations);\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 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 { FirebaseApp, FirebaseOptions } from '@firebase/app';\nimport { FirebaseError } from '@firebase/util';\nimport { AppConfig } from '../interfaces/installation-impl';\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 = [\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 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { _registerComponent, _getProvider } from '@firebase/app';\nimport {\n Component,\n ComponentType,\n InstanceFactory,\n ComponentContainer\n} from '@firebase/component';\nimport { getId, getToken } from '../api/index';\nimport { _FirebaseInstallationsInternal } from '../interfaces/public-types';\nimport { FirebaseInstallationsImpl } from '../interfaces/installation-impl';\nimport { extractAppConfig } from '../helpers/extract-app-config';\n\nconst INSTALLATIONS_NAME = 'installations';\nconst INSTALLATIONS_NAME_INTERNAL = 'installations-internal';\n\nconst publicFactory: InstanceFactory<'installations'> = (\n container: ComponentContainer\n) => {\n const app = container.getProvider('app').getImmediate();\n // Throws if app isn't configured properly.\n const appConfig = extractAppConfig(app);\n const heartbeatServiceProvider = _getProvider(app, 'heartbeat');\n\n const installationsImpl: FirebaseInstallationsImpl = {\n app,\n appConfig,\n heartbeatServiceProvider,\n _delete: () => Promise.resolve()\n };\n return installationsImpl;\n};\n\nconst internalFactory: InstanceFactory<'installations-internal'> = (\n container: ComponentContainer\n) => {\n const app = container.getProvider('app').getImmediate();\n // Internal FIS instance relies on public FIS instance.\n const installations = _getProvider(app, INSTALLATIONS_NAME).getImmediate();\n\n const installationsInternal: _FirebaseInstallationsInternal = {\n getId: () => getId(installations),\n getToken: (forceRefresh?: boolean) => getToken(installations, forceRefresh)\n };\n return installationsInternal;\n};\n\nexport function registerInstallations(): void {\n _registerComponent(\n new Component(INSTALLATIONS_NAME, publicFactory, ComponentType.PUBLIC)\n );\n _registerComponent(\n new Component(\n INSTALLATIONS_NAME_INTERNAL,\n internalFactory,\n ComponentType.PRIVATE\n )\n );\n}\n","/**\n * Firebase Installations\n *\n * @packageDocumentation\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 { registerInstallations } from './functions/config';\nimport { registerVersion } from '@firebase/app';\nimport { name, version } from '../package.json';\n\nexport * from './api';\nexport * from './interfaces/public-types';\n\nregisterInstallations();\nregisterVersion(name, version);\n// BUILD_TARGET will be replaced by values like esm5, esm2017, cjs5, etc during the compilation\nregisterVersion(name, version, '__BUILD_TARGET__');\n","const instanceOfAny = (object, constructors) => constructors.some((c) => object instanceof c);\n\nlet idbProxyableTypes;\nlet cursorAdvanceMethods;\n// This is a function to prevent it throwing up in node environments.\nfunction getIdbProxyableTypes() {\n return (idbProxyableTypes ||\n (idbProxyableTypes = [\n IDBDatabase,\n IDBObjectStore,\n IDBIndex,\n IDBCursor,\n IDBTransaction,\n ]));\n}\n// This is a function to prevent it throwing up in node environments.\nfunction getCursorAdvanceMethods() {\n return (cursorAdvanceMethods ||\n (cursorAdvanceMethods = [\n IDBCursor.prototype.advance,\n IDBCursor.prototype.continue,\n IDBCursor.prototype.continuePrimaryKey,\n ]));\n}\nconst cursorRequestMap = new WeakMap();\nconst transactionDoneMap = new WeakMap();\nconst transactionStoreNamesMap = new WeakMap();\nconst transformCache = new WeakMap();\nconst reverseTransformCache = new WeakMap();\nfunction promisifyRequest(request) {\n const promise = new Promise((resolve, reject) => {\n const unlisten = () => {\n request.removeEventListener('success', success);\n request.removeEventListener('error', error);\n };\n const success = () => {\n resolve(wrap(request.result));\n unlisten();\n };\n const error = () => {\n reject(request.error);\n unlisten();\n };\n request.addEventListener('success', success);\n request.addEventListener('error', error);\n });\n promise\n .then((value) => {\n // Since cursoring reuses the IDBRequest (*sigh*), we cache it for later retrieval\n // (see wrapFunction).\n if (value instanceof IDBCursor) {\n cursorRequestMap.set(value, request);\n }\n // Catching to avoid \"Uncaught Promise exceptions\"\n })\n .catch(() => { });\n // This mapping exists in reverseTransformCache but doesn't doesn't exist in transformCache. This\n // is because we create many promises from a single IDBRequest.\n reverseTransformCache.set(promise, request);\n return promise;\n}\nfunction cacheDonePromiseForTransaction(tx) {\n // Early bail if we've already created a done promise for this transaction.\n if (transactionDoneMap.has(tx))\n return;\n const done = new Promise((resolve, reject) => {\n const unlisten = () => {\n tx.removeEventListener('complete', complete);\n tx.removeEventListener('error', error);\n tx.removeEventListener('abort', error);\n };\n const complete = () => {\n resolve();\n unlisten();\n };\n const error = () => {\n reject(tx.error || new DOMException('AbortError', 'AbortError'));\n unlisten();\n };\n tx.addEventListener('complete', complete);\n tx.addEventListener('error', error);\n tx.addEventListener('abort', error);\n });\n // Cache it for later retrieval.\n transactionDoneMap.set(tx, done);\n}\nlet idbProxyTraps = {\n get(target, prop, receiver) {\n if (target instanceof IDBTransaction) {\n // Special handling for transaction.done.\n if (prop === 'done')\n return transactionDoneMap.get(target);\n // Polyfill for objectStoreNames because of Edge.\n if (prop === 'objectStoreNames') {\n return target.objectStoreNames || transactionStoreNamesMap.get(target);\n }\n // Make tx.store return the only store in the transaction, or undefined if there are many.\n if (prop === 'store') {\n return receiver.objectStoreNames[1]\n ? undefined\n : receiver.objectStore(receiver.objectStoreNames[0]);\n }\n }\n // Else transform whatever we get back.\n return wrap(target[prop]);\n },\n set(target, prop, value) {\n target[prop] = value;\n return true;\n },\n has(target, prop) {\n if (target instanceof IDBTransaction &&\n (prop === 'done' || prop === 'store')) {\n return true;\n }\n return prop in target;\n },\n};\nfunction replaceTraps(callback) {\n idbProxyTraps = callback(idbProxyTraps);\n}\nfunction wrapFunction(func) {\n // Due to expected object equality (which is enforced by the caching in `wrap`), we\n // only create one new func per func.\n // Edge doesn't support objectStoreNames (booo), so we polyfill it here.\n if (func === IDBDatabase.prototype.transaction &&\n !('objectStoreNames' in IDBTransaction.prototype)) {\n return function (storeNames, ...args) {\n const tx = func.call(unwrap(this), storeNames, ...args);\n transactionStoreNamesMap.set(tx, storeNames.sort ? storeNames.sort() : [storeNames]);\n return wrap(tx);\n };\n }\n // Cursor methods are special, as the behaviour is a little more different to standard IDB. In\n // IDB, you advance the cursor and wait for a new 'success' on the IDBRequest that gave you the\n // cursor. It's kinda like a promise that can resolve with many values. That doesn't make sense\n // with real promises, so each advance methods returns a new promise for the cursor object, or\n // undefined if the end of the cursor has been reached.\n if (getCursorAdvanceMethods().includes(func)) {\n return function (...args) {\n // Calling the original function with the proxy as 'this' causes ILLEGAL INVOCATION, so we use\n // the original object.\n func.apply(unwrap(this), args);\n return wrap(cursorRequestMap.get(this));\n };\n }\n return function (...args) {\n // Calling the original function with the proxy as 'this' causes ILLEGAL INVOCATION, so we use\n // the original object.\n return wrap(func.apply(unwrap(this), args));\n };\n}\nfunction transformCachableValue(value) {\n if (typeof value === 'function')\n return wrapFunction(value);\n // This doesn't return, it just creates a 'done' promise for the transaction,\n // which is later returned for transaction.done (see idbObjectHandler).\n if (value instanceof IDBTransaction)\n cacheDonePromiseForTransaction(value);\n if (instanceOfAny(value, getIdbProxyableTypes()))\n return new Proxy(value, idbProxyTraps);\n // Return the same value back if we're not going to transform it.\n return value;\n}\nfunction wrap(value) {\n // We sometimes generate multiple promises from a single IDBRequest (eg when cursoring), because\n // IDB is weird and a single IDBRequest can yield many responses, so these can't be cached.\n if (value instanceof IDBRequest)\n return promisifyRequest(value);\n // If we've already transformed this value before, reuse the transformed value.\n // This is faster, but it also provides object equality.\n if (transformCache.has(value))\n return transformCache.get(value);\n const newValue = transformCachableValue(value);\n // Not all types are transformed.\n // These may be primitive types, so they can't be WeakMap keys.\n if (newValue !== value) {\n transformCache.set(value, newValue);\n reverseTransformCache.set(newValue, value);\n }\n return newValue;\n}\nconst unwrap = (value) => reverseTransformCache.get(value);\n\nexport { reverseTransformCache as a, instanceOfAny as i, replaceTraps as r, unwrap as u, wrap as w };\n","import { w as wrap, r as replaceTraps } from './wrap-idb-value.js';\nexport { u as unwrap, w as wrap } from './wrap-idb-value.js';\n\n/**\n * Open a database.\n *\n * @param name Name of the database.\n * @param version Schema version.\n * @param callbacks Additional callbacks.\n */\nfunction openDB(name, version, { blocked, upgrade, blocking, terminated } = {}) {\n const request = indexedDB.open(name, version);\n const openPromise = wrap(request);\n if (upgrade) {\n request.addEventListener('upgradeneeded', (event) => {\n upgrade(wrap(request.result), event.oldVersion, event.newVersion, wrap(request.transaction));\n });\n }\n if (blocked)\n request.addEventListener('blocked', () => blocked());\n openPromise\n .then((db) => {\n if (terminated)\n db.addEventListener('close', () => terminated());\n if (blocking)\n db.addEventListener('versionchange', () => blocking());\n })\n .catch(() => { });\n return openPromise;\n}\n/**\n * Delete a database.\n *\n * @param name Name of the database.\n */\nfunction deleteDB(name, { blocked } = {}) {\n const request = indexedDB.deleteDatabase(name);\n if (blocked)\n request.addEventListener('blocked', () => blocked());\n return wrap(request).then(() => undefined);\n}\n\nconst readMethods = ['get', 'getKey', 'getAll', 'getAllKeys', 'count'];\nconst writeMethods = ['put', 'add', 'delete', 'clear'];\nconst cachedMethods = new Map();\nfunction getMethod(target, prop) {\n if (!(target instanceof IDBDatabase &&\n !(prop in target) &&\n typeof prop === 'string')) {\n return;\n }\n if (cachedMethods.get(prop))\n return cachedMethods.get(prop);\n const targetFuncName = prop.replace(/FromIndex$/, '');\n const useIndex = prop !== targetFuncName;\n const isWrite = writeMethods.includes(targetFuncName);\n if (\n // Bail if the target doesn't exist on the target. Eg, getAll isn't in Edge.\n !(targetFuncName in (useIndex ? IDBIndex : IDBObjectStore).prototype) ||\n !(isWrite || readMethods.includes(targetFuncName))) {\n return;\n }\n const method = async function (storeName, ...args) {\n // isWrite ? 'readwrite' : undefined gzipps better, but fails in Edge :(\n const tx = this.transaction(storeName, isWrite ? 'readwrite' : 'readonly');\n let target = tx.store;\n if (useIndex)\n target = target.index(args.shift());\n // Must reject if op rejects.\n // If it's a write operation, must reject if tx.done rejects.\n // Must reject with op rejection first.\n // Must resolve with op value.\n // Must handle both promises (no unhandled rejections)\n return (await Promise.all([\n target[targetFuncName](...args),\n isWrite && tx.done,\n ]))[0];\n };\n cachedMethods.set(prop, method);\n return method;\n}\nreplaceTraps((oldTraps) => ({\n ...oldTraps,\n get: (target, prop, receiver) => getMethod(target, prop) || oldTraps.get(target, prop, receiver),\n has: (target, prop) => !!getMethod(target, prop) || oldTraps.has(target, prop),\n}));\n\nexport { deleteDB, openDB };\n","/**\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\nexport const DEFAULT_SW_PATH = '/firebase-messaging-sw.js';\nexport const DEFAULT_SW_SCOPE = '/firebase-cloud-messaging-push-scope';\n\nexport const DEFAULT_VAPID_KEY =\n 'BDOU99-h67HcA6JeFXHbSNMu7e2yNNu3RzoMj8TM4W88jITfq7ZmPvIM1Iv-4_l2LxQcYwhqby2xGpWwzjfAnG4';\n\nexport const ENDPOINT = 'https://fcmregistrations.googleapis.com/v1';\n\n/** Key of FCM Payload in Notification's data field. */\nexport const FCM_MSG = 'FCM_MSG';\n\nexport const CONSOLE_CAMPAIGN_ID = 'google.c.a.c_id';\nexport const CONSOLE_CAMPAIGN_NAME = 'google.c.a.c_l';\nexport const CONSOLE_CAMPAIGN_TIME = 'google.c.a.ts';\n/** Set to '1' if Analytics is enabled for the campaign */\nexport const CONSOLE_CAMPAIGN_ANALYTICS_ENABLED = 'google.c.a.e';\nexport const TAG = 'FirebaseMessaging: ';\nexport const MAX_NUMBER_OF_EVENTS_PER_LOG_REQUEST = 1000;\nexport const MAX_RETRIES = 3;\nexport const LOG_INTERVAL_IN_MS = 86400000; //24 hour\nexport const DEFAULT_BACKOFF_TIME_MS = 5000;\n\n// FCM log source name registered at Firelog: 'FCM_CLIENT_EVENT_LOGGING'. It uniquely identifies\n// FCM's logging configuration.\nexport const FCM_LOG_SOURCE = 1249;\n\n// Defined as in proto/messaging_event.proto. Neglecting fields that are supported.\nexport const SDK_PLATFORM_WEB = 3;\nexport const EVENT_MESSAGE_DELIVERED = 1;\n\nexport enum MessageType {\n DATA_MESSAGE = 1,\n DISPLAY_NOTIFICATION = 3\n}\n","/**\n * @license\n * Copyright 2018 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\"); you may not use this file except\n * in compliance with the License. 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 distributed under the License\n * is distributed on an \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express\n * or implied. See the License for the specific language governing permissions and limitations under\n * the License.\n */\n\nimport {\n CONSOLE_CAMPAIGN_ANALYTICS_ENABLED,\n CONSOLE_CAMPAIGN_ID,\n CONSOLE_CAMPAIGN_NAME,\n CONSOLE_CAMPAIGN_TIME\n} from '../util/constants';\n\nexport interface MessagePayloadInternal {\n notification?: NotificationPayloadInternal;\n data?: unknown;\n fcmOptions?: FcmOptionsInternal;\n messageType?: MessageType;\n isFirebaseMessaging?: boolean;\n from: string;\n fcmMessageId: string;\n // eslint-disable-next-line camelcase\n collapse_key: string;\n}\n\nexport interface NotificationPayloadInternal extends NotificationOptions {\n title: string;\n // Supported in the Legacy Send API.\n // See:https://firebase.google.com/docs/cloud-messaging/xmpp-server-ref.\n // eslint-disable-next-line camelcase\n click_action?: string;\n}\n\n// Defined in\n// https://firebase.google.com/docs/reference/fcm/rest/v1/projects.messages#webpushfcmoptions. Note\n// that the keys are sent to the clients in snake cases which we need to convert to camel so it can\n// be exposed as a type to match the Firebase API convention.\nexport interface FcmOptionsInternal {\n link?: string;\n\n // eslint-disable-next-line camelcase\n analytics_label?: string;\n}\n\nexport enum MessageType {\n PUSH_RECEIVED = 'push-received',\n NOTIFICATION_CLICKED = 'notification-clicked'\n}\n\n/** Additional data of a message sent from the FN Console. */\nexport interface ConsoleMessageData {\n [CONSOLE_CAMPAIGN_ID]: string;\n [CONSOLE_CAMPAIGN_TIME]: string;\n [CONSOLE_CAMPAIGN_NAME]?: string;\n [CONSOLE_CAMPAIGN_ANALYTICS_ENABLED]?: '1';\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\nexport function arrayToBase64(array: Uint8Array | ArrayBuffer): string {\n const uint8Array = new Uint8Array(array);\n const base64String = btoa(String.fromCharCode(...uint8Array));\n return base64String.replace(/=/g, '').replace(/\\+/g, '-').replace(/\\//g, '_');\n}\n\nexport function base64ToArray(base64String: string): Uint8Array {\n const padding = '='.repeat((4 - (base64String.length % 4)) % 4);\n const base64 = (base64String + padding)\n .replace(/\\-/g, '+')\n .replace(/_/g, '/');\n\n const rawData = atob(base64);\n const outputArray = new Uint8Array(rawData.length);\n\n for (let i = 0; i < rawData.length; ++i) {\n outputArray[i] = rawData.charCodeAt(i);\n }\n return outputArray;\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 { deleteDB, openDB } from 'idb';\n\nimport { TokenDetails } from '../interfaces/token-details';\nimport { arrayToBase64 } from './array-base64-translator';\n\n// https://github.com/firebase/firebase-js-sdk/blob/7857c212f944a2a9eb421fd4cb7370181bc034b5/packages/messaging/src/interfaces/token-details.ts\nexport interface V2TokenDetails {\n fcmToken: string;\n swScope: string;\n vapidKey: string | Uint8Array;\n subscription: PushSubscription;\n fcmSenderId: string;\n fcmPushSet: string;\n createTime?: number;\n endpoint?: string;\n auth?: string;\n p256dh?: string;\n}\n\n// https://github.com/firebase/firebase-js-sdk/blob/6b5b15ce4ea3df5df5df8a8b33a4e41e249c7715/packages/messaging/src/interfaces/token-details.ts\nexport interface V3TokenDetails {\n fcmToken: string;\n swScope: string;\n vapidKey: Uint8Array;\n fcmSenderId: string;\n fcmPushSet: string;\n endpoint: string;\n auth: ArrayBuffer;\n p256dh: ArrayBuffer;\n createTime: number;\n}\n\n// https://github.com/firebase/firebase-js-sdk/blob/9567dba664732f681fa7fe60f5b7032bb1daf4c9/packages/messaging/src/interfaces/token-details.ts\nexport interface V4TokenDetails {\n fcmToken: string;\n swScope: string;\n vapidKey: Uint8Array;\n fcmSenderId: string;\n endpoint: string;\n auth: ArrayBufferLike;\n p256dh: ArrayBufferLike;\n createTime: number;\n}\n\nconst OLD_DB_NAME = 'fcm_token_details_db';\n/**\n * The last DB version of 'fcm_token_details_db' was 4. This is one higher, so that the upgrade\n * callback is called for all versions of the old DB.\n */\nconst OLD_DB_VERSION = 5;\nconst OLD_OBJECT_STORE_NAME = 'fcm_token_object_Store';\n\nexport async function migrateOldDatabase(\n senderId: string\n): Promise {\n if ('databases' in indexedDB) {\n // indexedDb.databases() is an IndexedDB v3 API and does not exist in all browsers. TODO: Remove\n // typecast when it lands in TS types.\n const databases = await (\n indexedDB as {\n databases(): Promise>;\n }\n ).databases();\n const dbNames = databases.map(db => db.name);\n\n if (!dbNames.includes(OLD_DB_NAME)) {\n // old DB didn't exist, no need to open.\n return null;\n }\n }\n\n let tokenDetails: TokenDetails | null = null;\n\n const db = await openDB(OLD_DB_NAME, OLD_DB_VERSION, {\n upgrade: async (db, oldVersion, newVersion, upgradeTransaction) => {\n if (oldVersion < 2) {\n // Database too old, skip migration.\n return;\n }\n\n if (!db.objectStoreNames.contains(OLD_OBJECT_STORE_NAME)) {\n // Database did not exist. Nothing to do.\n return;\n }\n\n const objectStore = upgradeTransaction.objectStore(OLD_OBJECT_STORE_NAME);\n const value = await objectStore.index('fcmSenderId').get(senderId);\n await objectStore.clear();\n\n if (!value) {\n // No entry in the database, nothing to migrate.\n return;\n }\n\n if (oldVersion === 2) {\n const oldDetails = value as V2TokenDetails;\n\n if (!oldDetails.auth || !oldDetails.p256dh || !oldDetails.endpoint) {\n return;\n }\n\n tokenDetails = {\n token: oldDetails.fcmToken,\n createTime: oldDetails.createTime ?? Date.now(),\n subscriptionOptions: {\n auth: oldDetails.auth,\n p256dh: oldDetails.p256dh,\n endpoint: oldDetails.endpoint,\n swScope: oldDetails.swScope,\n vapidKey:\n typeof oldDetails.vapidKey === 'string'\n ? oldDetails.vapidKey\n : arrayToBase64(oldDetails.vapidKey)\n }\n };\n } else if (oldVersion === 3) {\n const oldDetails = value as V3TokenDetails;\n\n tokenDetails = {\n token: oldDetails.fcmToken,\n createTime: oldDetails.createTime,\n subscriptionOptions: {\n auth: arrayToBase64(oldDetails.auth),\n p256dh: arrayToBase64(oldDetails.p256dh),\n endpoint: oldDetails.endpoint,\n swScope: oldDetails.swScope,\n vapidKey: arrayToBase64(oldDetails.vapidKey)\n }\n };\n } else if (oldVersion === 4) {\n const oldDetails = value as V4TokenDetails;\n\n tokenDetails = {\n token: oldDetails.fcmToken,\n createTime: oldDetails.createTime,\n subscriptionOptions: {\n auth: arrayToBase64(oldDetails.auth),\n p256dh: arrayToBase64(oldDetails.p256dh),\n endpoint: oldDetails.endpoint,\n swScope: oldDetails.swScope,\n vapidKey: arrayToBase64(oldDetails.vapidKey)\n }\n };\n }\n }\n });\n db.close();\n\n // Delete all old databases.\n await deleteDB(OLD_DB_NAME);\n await deleteDB('fcm_vapid_details_db');\n await deleteDB('undefined');\n\n return checkTokenDetails(tokenDetails) ? tokenDetails : null;\n}\n\nfunction checkTokenDetails(\n tokenDetails: TokenDetails | null\n): tokenDetails is TokenDetails {\n if (!tokenDetails || !tokenDetails.subscriptionOptions) {\n return false;\n }\n const { subscriptionOptions } = tokenDetails;\n return (\n typeof tokenDetails.createTime === 'number' &&\n tokenDetails.createTime > 0 &&\n typeof tokenDetails.token === 'string' &&\n tokenDetails.token.length > 0 &&\n typeof subscriptionOptions.auth === 'string' &&\n subscriptionOptions.auth.length > 0 &&\n typeof subscriptionOptions.p256dh === 'string' &&\n subscriptionOptions.p256dh.length > 0 &&\n typeof subscriptionOptions.endpoint === 'string' &&\n subscriptionOptions.endpoint.length > 0 &&\n typeof subscriptionOptions.swScope === 'string' &&\n subscriptionOptions.swScope.length > 0 &&\n typeof subscriptionOptions.vapidKey === 'string' &&\n subscriptionOptions.vapidKey.length > 0\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 { DBSchema, IDBPDatabase, deleteDB, openDB } from 'idb';\n\nimport { FirebaseInternalDependencies } from '../interfaces/internal-dependencies';\nimport { TokenDetails } from '../interfaces/token-details';\nimport { migrateOldDatabase } from '../helpers/migrate-old-database';\n\n// Exported for tests.\nexport const DATABASE_NAME = 'firebase-messaging-database';\nconst DATABASE_VERSION = 1;\nconst OBJECT_STORE_NAME = 'firebase-messaging-store';\n\ninterface MessagingDB extends DBSchema {\n 'firebase-messaging-store': {\n key: string;\n value: TokenDetails;\n };\n}\n\nlet dbPromise: Promise> | null = null;\nfunction getDbPromise(): Promise> {\n if (!dbPromise) {\n dbPromise = openDB(DATABASE_NAME, DATABASE_VERSION, {\n upgrade: (upgradeDb, oldVersion) => {\n // We don't use 'break' in this switch statement, the fall-through behavior is what we want,\n // because if there are multiple versions between the old version and the current version, we\n // want ALL the migrations that correspond to those versions to run, not only the last one.\n // eslint-disable-next-line default-case\n switch (oldVersion) {\n case 0:\n upgradeDb.createObjectStore(OBJECT_STORE_NAME);\n }\n }\n });\n }\n return dbPromise;\n}\n\n/** Gets record(s) from the objectStore that match the given key. */\nexport async function dbGet(\n firebaseDependencies: FirebaseInternalDependencies\n): Promise {\n const key = getKey(firebaseDependencies);\n const db = await getDbPromise();\n const tokenDetails = (await db\n .transaction(OBJECT_STORE_NAME)\n .objectStore(OBJECT_STORE_NAME)\n .get(key)) as TokenDetails;\n\n if (tokenDetails) {\n return tokenDetails;\n } else {\n // Check if there is a tokenDetails object in the old DB.\n const oldTokenDetails = await migrateOldDatabase(\n firebaseDependencies.appConfig.senderId\n );\n if (oldTokenDetails) {\n await dbSet(firebaseDependencies, oldTokenDetails);\n return oldTokenDetails;\n }\n }\n}\n\n/** Assigns or overwrites the record for the given key with the given value. */\nexport async function dbSet(\n firebaseDependencies: FirebaseInternalDependencies,\n tokenDetails: TokenDetails\n): Promise {\n const key = getKey(firebaseDependencies);\n const db = await getDbPromise();\n const tx = db.transaction(OBJECT_STORE_NAME, 'readwrite');\n await tx.objectStore(OBJECT_STORE_NAME).put(tokenDetails, key);\n await tx.done;\n return tokenDetails;\n}\n\n/** Removes record(s) from the objectStore that match the given key. */\nexport async function dbRemove(\n firebaseDependencies: FirebaseInternalDependencies\n): Promise {\n const key = getKey(firebaseDependencies);\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.done;\n}\n\n/** Deletes the DB. Useful for tests. */\nexport async function dbDelete(): Promise {\n if (dbPromise) {\n (await dbPromise).close();\n await deleteDB(DATABASE_NAME);\n dbPromise = null;\n }\n}\n\nfunction getKey({ appConfig }: FirebaseInternalDependencies): string {\n return appConfig.appId;\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 { ErrorFactory, ErrorMap } from '@firebase/util';\n\nexport const enum ErrorCode {\n MISSING_APP_CONFIG_VALUES = 'missing-app-config-values',\n AVAILABLE_IN_WINDOW = 'only-available-in-window',\n AVAILABLE_IN_SW = 'only-available-in-sw',\n PERMISSION_DEFAULT = 'permission-default',\n PERMISSION_BLOCKED = 'permission-blocked',\n UNSUPPORTED_BROWSER = 'unsupported-browser',\n INDEXED_DB_UNSUPPORTED = 'indexed-db-unsupported',\n FAILED_DEFAULT_REGISTRATION = 'failed-service-worker-registration',\n TOKEN_SUBSCRIBE_FAILED = 'token-subscribe-failed',\n TOKEN_SUBSCRIBE_NO_TOKEN = 'token-subscribe-no-token',\n TOKEN_UNSUBSCRIBE_FAILED = 'token-unsubscribe-failed',\n TOKEN_UPDATE_FAILED = 'token-update-failed',\n TOKEN_UPDATE_NO_TOKEN = 'token-update-no-token',\n INVALID_BG_HANDLER = 'invalid-bg-handler',\n USE_SW_AFTER_GET_TOKEN = 'use-sw-after-get-token',\n INVALID_SW_REGISTRATION = 'invalid-sw-registration',\n USE_VAPID_KEY_AFTER_GET_TOKEN = 'use-vapid-key-after-get-token',\n INVALID_VAPID_KEY = 'invalid-vapid-key'\n}\n\nexport const ERROR_MAP: ErrorMap = {\n [ErrorCode.MISSING_APP_CONFIG_VALUES]:\n 'Missing App configuration value: \"{$valueName}\"',\n [ErrorCode.AVAILABLE_IN_WINDOW]:\n 'This method is available in a Window context.',\n [ErrorCode.AVAILABLE_IN_SW]:\n 'This method is available in a service worker context.',\n [ErrorCode.PERMISSION_DEFAULT]:\n 'The notification permission was not granted and dismissed instead.',\n [ErrorCode.PERMISSION_BLOCKED]:\n 'The notification permission was not granted and blocked instead.',\n [ErrorCode.UNSUPPORTED_BROWSER]:\n \"This browser doesn't support the API's required to use the Firebase SDK.\",\n [ErrorCode.INDEXED_DB_UNSUPPORTED]:\n \"This browser doesn't support indexedDb.open() (ex. Safari iFrame, Firefox Private Browsing, etc)\",\n [ErrorCode.FAILED_DEFAULT_REGISTRATION]:\n 'We are unable to register the default service worker. {$browserErrorMessage}',\n [ErrorCode.TOKEN_SUBSCRIBE_FAILED]:\n 'A problem occurred while subscribing the user to FCM: {$errorInfo}',\n [ErrorCode.TOKEN_SUBSCRIBE_NO_TOKEN]:\n 'FCM returned no token when subscribing the user to push.',\n [ErrorCode.TOKEN_UNSUBSCRIBE_FAILED]:\n 'A problem occurred while unsubscribing the ' +\n 'user from FCM: {$errorInfo}',\n [ErrorCode.TOKEN_UPDATE_FAILED]:\n 'A problem occurred while updating the user from FCM: {$errorInfo}',\n [ErrorCode.TOKEN_UPDATE_NO_TOKEN]:\n 'FCM returned no token when updating the user to push.',\n [ErrorCode.USE_SW_AFTER_GET_TOKEN]:\n 'The useServiceWorker() method may only be called once and must be ' +\n 'called before calling getToken() to ensure your service worker is used.',\n [ErrorCode.INVALID_SW_REGISTRATION]:\n 'The input to useServiceWorker() must be a ServiceWorkerRegistration.',\n [ErrorCode.INVALID_BG_HANDLER]:\n 'The input to setBackgroundMessageHandler() must be a function.',\n [ErrorCode.INVALID_VAPID_KEY]: 'The public VAPID key must be a string.',\n [ErrorCode.USE_VAPID_KEY_AFTER_GET_TOKEN]:\n 'The usePublicVapidKey() method may only be called once and must be ' +\n 'called before calling getToken() to ensure your VAPID key is used.'\n};\n\ninterface ErrorParams {\n [ErrorCode.MISSING_APP_CONFIG_VALUES]: {\n valueName: string;\n };\n [ErrorCode.FAILED_DEFAULT_REGISTRATION]: { browserErrorMessage: string };\n [ErrorCode.TOKEN_SUBSCRIBE_FAILED]: { errorInfo: string };\n [ErrorCode.TOKEN_UNSUBSCRIBE_FAILED]: { errorInfo: string };\n [ErrorCode.TOKEN_UPDATE_FAILED]: { errorInfo: string };\n}\n\nexport const ERROR_FACTORY = new ErrorFactory(\n 'messaging',\n 'Messaging',\n ERROR_MAP\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 { DEFAULT_VAPID_KEY, ENDPOINT } from '../util/constants';\nimport { ERROR_FACTORY, ErrorCode } from '../util/errors';\nimport { SubscriptionOptions, TokenDetails } from '../interfaces/token-details';\n\nimport { AppConfig } from '../interfaces/app-config';\nimport { FirebaseInternalDependencies } from '../interfaces/internal-dependencies';\n\nexport interface ApiResponse {\n token?: string;\n error?: { message: string };\n}\n\nexport interface ApiRequestBody {\n web: {\n endpoint: string;\n p256dh: string;\n auth: string;\n applicationPubKey?: string;\n };\n}\n\nexport async function requestGetToken(\n firebaseDependencies: FirebaseInternalDependencies,\n subscriptionOptions: SubscriptionOptions\n): Promise {\n const headers = await getHeaders(firebaseDependencies);\n const body = getBody(subscriptionOptions);\n\n const subscribeOptions = {\n method: 'POST',\n headers,\n body: JSON.stringify(body)\n };\n\n let responseData: ApiResponse;\n try {\n const response = await fetch(\n getEndpoint(firebaseDependencies.appConfig),\n subscribeOptions\n );\n responseData = await response.json();\n } catch (err) {\n throw ERROR_FACTORY.create(ErrorCode.TOKEN_SUBSCRIBE_FAILED, {\n errorInfo: (err as Error)?.toString()\n });\n }\n\n if (responseData.error) {\n const message = responseData.error.message;\n throw ERROR_FACTORY.create(ErrorCode.TOKEN_SUBSCRIBE_FAILED, {\n errorInfo: message\n });\n }\n\n if (!responseData.token) {\n throw ERROR_FACTORY.create(ErrorCode.TOKEN_SUBSCRIBE_NO_TOKEN);\n }\n\n return responseData.token;\n}\n\nexport async function requestUpdateToken(\n firebaseDependencies: FirebaseInternalDependencies,\n tokenDetails: TokenDetails\n): Promise {\n const headers = await getHeaders(firebaseDependencies);\n const body = getBody(tokenDetails.subscriptionOptions!);\n\n const updateOptions = {\n method: 'PATCH',\n headers,\n body: JSON.stringify(body)\n };\n\n let responseData: ApiResponse;\n try {\n const response = await fetch(\n `${getEndpoint(firebaseDependencies.appConfig)}/${tokenDetails.token}`,\n updateOptions\n );\n responseData = await response.json();\n } catch (err) {\n throw ERROR_FACTORY.create(ErrorCode.TOKEN_UPDATE_FAILED, {\n errorInfo: (err as Error)?.toString()\n });\n }\n\n if (responseData.error) {\n const message = responseData.error.message;\n throw ERROR_FACTORY.create(ErrorCode.TOKEN_UPDATE_FAILED, {\n errorInfo: message\n });\n }\n\n if (!responseData.token) {\n throw ERROR_FACTORY.create(ErrorCode.TOKEN_UPDATE_NO_TOKEN);\n }\n\n return responseData.token;\n}\n\nexport async function requestDeleteToken(\n firebaseDependencies: FirebaseInternalDependencies,\n token: string\n): Promise {\n const headers = await getHeaders(firebaseDependencies);\n\n const unsubscribeOptions = {\n method: 'DELETE',\n headers\n };\n\n try {\n const response = await fetch(\n `${getEndpoint(firebaseDependencies.appConfig)}/${token}`,\n unsubscribeOptions\n );\n const responseData: ApiResponse = await response.json();\n if (responseData.error) {\n const message = responseData.error.message;\n throw ERROR_FACTORY.create(ErrorCode.TOKEN_UNSUBSCRIBE_FAILED, {\n errorInfo: message\n });\n }\n } catch (err) {\n throw ERROR_FACTORY.create(ErrorCode.TOKEN_UNSUBSCRIBE_FAILED, {\n errorInfo: (err as Error)?.toString()\n });\n }\n}\n\nfunction getEndpoint({ projectId }: AppConfig): string {\n return `${ENDPOINT}/projects/${projectId!}/registrations`;\n}\n\nasync function getHeaders({\n appConfig,\n installations\n}: FirebaseInternalDependencies): Promise {\n const authToken = await installations.getToken();\n\n return new Headers({\n 'Content-Type': 'application/json',\n Accept: 'application/json',\n 'x-goog-api-key': appConfig.apiKey!,\n 'x-goog-firebase-installations-auth': `FIS ${authToken}`\n });\n}\n\nfunction getBody({\n p256dh,\n auth,\n endpoint,\n vapidKey\n}: SubscriptionOptions): ApiRequestBody {\n const body: ApiRequestBody = {\n web: {\n endpoint,\n auth,\n p256dh\n }\n };\n\n if (vapidKey !== DEFAULT_VAPID_KEY) {\n body.web.applicationPubKey = vapidKey;\n }\n\n return body;\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 { SubscriptionOptions, TokenDetails } from '../interfaces/token-details';\nimport {\n arrayToBase64,\n base64ToArray\n} from '../helpers/array-base64-translator';\nimport { dbGet, dbRemove, dbSet } from './idb-manager';\nimport {\n requestDeleteToken,\n requestGetToken,\n requestUpdateToken\n} from './requests';\n\nimport { FirebaseInternalDependencies } from '../interfaces/internal-dependencies';\nimport { MessagingService } from '../messaging-service';\n\n// UpdateRegistration will be called once every week.\nconst TOKEN_EXPIRATION_MS = 7 * 24 * 60 * 60 * 1000; // 7 days\n\nexport async function getTokenInternal(\n messaging: MessagingService\n): Promise {\n const pushSubscription = await getPushSubscription(\n messaging.swRegistration!,\n messaging.vapidKey!\n );\n\n const subscriptionOptions: SubscriptionOptions = {\n vapidKey: messaging.vapidKey!,\n swScope: messaging.swRegistration!.scope,\n endpoint: pushSubscription.endpoint,\n auth: arrayToBase64(pushSubscription.getKey('auth')!),\n p256dh: arrayToBase64(pushSubscription.getKey('p256dh')!)\n };\n\n const tokenDetails = await dbGet(messaging.firebaseDependencies);\n if (!tokenDetails) {\n // No token, get a new one.\n return getNewToken(messaging.firebaseDependencies, subscriptionOptions);\n } else if (\n !isTokenValid(tokenDetails.subscriptionOptions!, subscriptionOptions)\n ) {\n // Invalid token, get a new one.\n try {\n await requestDeleteToken(\n messaging.firebaseDependencies!,\n tokenDetails.token\n );\n } catch (e) {\n // Suppress errors because of #2364\n console.warn(e);\n }\n\n return getNewToken(messaging.firebaseDependencies!, subscriptionOptions);\n } else if (Date.now() >= tokenDetails.createTime + TOKEN_EXPIRATION_MS) {\n // Weekly token refresh\n return updateToken(messaging, {\n token: tokenDetails.token,\n createTime: Date.now(),\n subscriptionOptions\n });\n } else {\n // Valid token, nothing to do.\n return tokenDetails.token;\n }\n}\n\n/**\n * This method deletes the token from the database, unsubscribes the token from FCM, and unregisters\n * the push subscription if it exists.\n */\nexport async function deleteTokenInternal(\n messaging: MessagingService\n): Promise {\n const tokenDetails = await dbGet(messaging.firebaseDependencies);\n if (tokenDetails) {\n await requestDeleteToken(\n messaging.firebaseDependencies,\n tokenDetails.token\n );\n await dbRemove(messaging.firebaseDependencies);\n }\n\n // Unsubscribe from the push subscription.\n const pushSubscription =\n await messaging.swRegistration!.pushManager.getSubscription();\n if (pushSubscription) {\n return pushSubscription.unsubscribe();\n }\n\n // If there's no SW, consider it a success.\n return true;\n}\n\nasync function updateToken(\n messaging: MessagingService,\n tokenDetails: TokenDetails\n): Promise {\n try {\n const updatedToken = await requestUpdateToken(\n messaging.firebaseDependencies,\n tokenDetails\n );\n\n const updatedTokenDetails: TokenDetails = {\n ...tokenDetails,\n token: updatedToken,\n createTime: Date.now()\n };\n\n await dbSet(messaging.firebaseDependencies, updatedTokenDetails);\n return updatedToken;\n } catch (e) {\n await deleteTokenInternal(messaging);\n throw e;\n }\n}\n\nasync function getNewToken(\n firebaseDependencies: FirebaseInternalDependencies,\n subscriptionOptions: SubscriptionOptions\n): Promise {\n const token = await requestGetToken(\n firebaseDependencies,\n subscriptionOptions\n );\n const tokenDetails: TokenDetails = {\n token,\n createTime: Date.now(),\n subscriptionOptions\n };\n await dbSet(firebaseDependencies, tokenDetails);\n return tokenDetails.token;\n}\n\n/**\n * Gets a PushSubscription for the current user.\n */\nasync function getPushSubscription(\n swRegistration: ServiceWorkerRegistration,\n vapidKey: string\n): Promise {\n const subscription = await swRegistration.pushManager.getSubscription();\n if (subscription) {\n return subscription;\n }\n\n return swRegistration.pushManager.subscribe({\n userVisibleOnly: true,\n // Chrome <= 75 doesn't support base64-encoded VAPID key. For backward compatibility, VAPID key\n // submitted to pushManager#subscribe must be of type Uint8Array.\n applicationServerKey: base64ToArray(vapidKey)\n });\n}\n\n/**\n * Checks if the saved tokenDetails object matches the configuration provided.\n */\nfunction isTokenValid(\n dbOptions: SubscriptionOptions,\n currentOptions: SubscriptionOptions\n): boolean {\n const isVapidKeyEqual = currentOptions.vapidKey === dbOptions.vapidKey;\n const isEndpointEqual = currentOptions.endpoint === dbOptions.endpoint;\n const isAuthEqual = currentOptions.auth === dbOptions.auth;\n const isP256dhEqual = currentOptions.p256dh === dbOptions.p256dh;\n\n return isVapidKeyEqual && isEndpointEqual && isAuthEqual && isP256dhEqual;\n}\n","/**\n * @license\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { MessagePayload } from '../interfaces/public-types';\nimport { MessagePayloadInternal } from '../interfaces/internal-message-payload';\n\nexport function externalizePayload(\n internalPayload: MessagePayloadInternal\n): MessagePayload {\n const payload: MessagePayload = {\n from: internalPayload.from,\n // eslint-disable-next-line camelcase\n collapseKey: internalPayload.collapse_key,\n // eslint-disable-next-line camelcase\n messageId: internalPayload.fcmMessageId\n } as MessagePayload;\n\n propagateNotificationPayload(payload, internalPayload);\n propagateDataPayload(payload, internalPayload);\n propagateFcmOptions(payload, internalPayload);\n\n return payload;\n}\n\nfunction propagateNotificationPayload(\n payload: MessagePayload,\n messagePayloadInternal: MessagePayloadInternal\n): void {\n if (!messagePayloadInternal.notification) {\n return;\n }\n\n payload.notification = {};\n\n const title = messagePayloadInternal.notification!.title;\n if (!!title) {\n payload.notification!.title = title;\n }\n\n const body = messagePayloadInternal.notification!.body;\n if (!!body) {\n payload.notification!.body = body;\n }\n\n const image = messagePayloadInternal.notification!.image;\n if (!!image) {\n payload.notification!.image = image;\n }\n}\n\nfunction propagateDataPayload(\n payload: MessagePayload,\n messagePayloadInternal: MessagePayloadInternal\n): void {\n if (!messagePayloadInternal.data) {\n return;\n }\n\n payload.data = messagePayloadInternal.data as { [key: string]: string };\n}\n\nfunction propagateFcmOptions(\n payload: MessagePayload,\n messagePayloadInternal: MessagePayloadInternal\n): void {\n // fcmOptions.link value is written into notification.click_action. see more in b/232072111\n if (\n !messagePayloadInternal.fcmOptions &&\n !messagePayloadInternal.notification?.click_action\n ) {\n return;\n }\n\n payload.fcmOptions = {};\n\n const link =\n messagePayloadInternal.fcmOptions?.link ??\n messagePayloadInternal.notification?.click_action;\n\n if (!!link) {\n payload.fcmOptions!.link = link;\n }\n\n // eslint-disable-next-line camelcase\n const analyticsLabel = messagePayloadInternal.fcmOptions?.analytics_label;\n if (!!analyticsLabel) {\n payload.fcmOptions!.analyticsLabel = analyticsLabel;\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 { CONSOLE_CAMPAIGN_ID } from '../util/constants';\nimport { ConsoleMessageData } from '../interfaces/internal-message-payload';\n\nexport function isConsoleMessage(data: unknown): data is ConsoleMessageData {\n // This message has a campaign ID, meaning it was sent using the Firebase Console.\n return typeof data === 'object' && !!data && CONSOLE_CAMPAIGN_ID in data;\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 DEFAULT_BACKOFF_TIME_MS,\n EVENT_MESSAGE_DELIVERED,\n FCM_LOG_SOURCE,\n LOG_INTERVAL_IN_MS,\n MAX_NUMBER_OF_EVENTS_PER_LOG_REQUEST,\n MAX_RETRIES,\n MessageType,\n SDK_PLATFORM_WEB\n} from '../util/constants';\nimport {\n FcmEvent,\n LogEvent,\n LogRequest,\n LogResponse\n} from '../interfaces/logging-types';\n\nimport { MessagePayloadInternal } from '../interfaces/internal-message-payload';\nimport { MessagingService } from '../messaging-service';\n\nconst FIRELOG_ENDPOINT = _mergeStrings(\n 'hts/frbslgigp.ogepscmv/ieo/eaylg',\n 'tp:/ieaeogn-agolai.o/1frlglgc/o'\n);\n\nconst FCM_TRANSPORT_KEY = _mergeStrings(\n 'AzSCbw63g1R0nCw85jG8',\n 'Iaya3yLKwmgvh7cF0q4'\n);\n\nexport function startLoggingService(messaging: MessagingService): void {\n if (!messaging.isLogServiceStarted) {\n _processQueue(messaging, LOG_INTERVAL_IN_MS);\n messaging.isLogServiceStarted = true;\n }\n}\n\n/**\n *\n * @param messaging the messaging instance.\n * @param offsetInMs this method execute after `offsetInMs` elapsed .\n */\nexport function _processQueue(\n messaging: MessagingService,\n offsetInMs: number\n): void {\n setTimeout(async () => {\n if (!messaging.deliveryMetricsExportedToBigQueryEnabled) {\n // flush events and terminate logging service\n messaging.logEvents = [];\n messaging.isLogServiceStarted = false;\n\n return;\n }\n\n if (!messaging.logEvents.length) {\n return _processQueue(messaging, LOG_INTERVAL_IN_MS);\n }\n\n await _dispatchLogEvents(messaging);\n }, offsetInMs);\n}\n\nexport async function _dispatchLogEvents(\n messaging: MessagingService\n): Promise {\n for (\n let i = 0, n = messaging.logEvents.length;\n i < n;\n i += MAX_NUMBER_OF_EVENTS_PER_LOG_REQUEST\n ) {\n const logRequest = _createLogRequest(\n messaging.logEvents.slice(i, i + MAX_NUMBER_OF_EVENTS_PER_LOG_REQUEST)\n );\n\n let retryCount = 0,\n response = {} as Response;\n\n do {\n try {\n response = await fetch(\n FIRELOG_ENDPOINT.concat('?key=', FCM_TRANSPORT_KEY),\n {\n method: 'POST',\n body: JSON.stringify(logRequest)\n }\n );\n\n // don't retry on 200s or non retriable errors\n if (response.ok || (!response.ok && !isRetriableError(response))) {\n break;\n }\n\n if (!response.ok && isRetriableError(response)) {\n // rethrow to retry with quota\n throw new Error(\n 'a retriable Non-200 code is returned in fetch to Firelog endpoint. Retry'\n );\n }\n } catch (error) {\n const isLastAttempt = retryCount === MAX_RETRIES;\n if (isLastAttempt) {\n // existing the do-while interactive retry logic because retry quota has reached.\n break;\n }\n }\n\n let delayInMs: number;\n try {\n delayInMs = Number(\n ((await response.json()) as LogResponse).nextRequestWaitMillis\n );\n } catch (e) {\n delayInMs = DEFAULT_BACKOFF_TIME_MS;\n }\n\n await new Promise(resolve => setTimeout(resolve, delayInMs));\n\n retryCount++;\n } while (retryCount < MAX_RETRIES);\n }\n\n messaging.logEvents = [];\n // schedule for next logging\n _processQueue(messaging, LOG_INTERVAL_IN_MS);\n}\n\nfunction isRetriableError(response: Response): boolean {\n const httpStatus = response.status;\n\n return (\n httpStatus === 429 ||\n httpStatus === 500 ||\n httpStatus === 503 ||\n httpStatus === 504\n );\n}\n\nexport async function stageLog(\n messaging: MessagingService,\n internalPayload: MessagePayloadInternal\n): Promise {\n const fcmEvent = createFcmEvent(\n internalPayload,\n await messaging.firebaseDependencies.installations.getId()\n );\n\n createAndEnqueueLogEvent(messaging, fcmEvent);\n}\n\nfunction createFcmEvent(\n internalPayload: MessagePayloadInternal,\n fid: string\n): FcmEvent {\n const fcmEvent = {} as FcmEvent;\n\n /* eslint-disable camelcase */\n // some fields should always be non-null. Still check to ensure.\n if (!!internalPayload.from) {\n fcmEvent.project_number = internalPayload.from;\n }\n\n if (!!internalPayload.fcmMessageId) {\n fcmEvent.message_id = internalPayload.fcmMessageId;\n }\n\n fcmEvent.instance_id = fid;\n\n if (!!internalPayload.notification) {\n fcmEvent.message_type = MessageType.DISPLAY_NOTIFICATION.toString();\n } else {\n fcmEvent.message_type = MessageType.DATA_MESSAGE.toString();\n }\n\n fcmEvent.sdk_platform = SDK_PLATFORM_WEB.toString();\n fcmEvent.package_name = self.origin.replace(/(^\\w+:|^)\\/\\//, '');\n\n if (!!internalPayload.collapse_key) {\n fcmEvent.collapse_key = internalPayload.collapse_key;\n }\n\n fcmEvent.event = EVENT_MESSAGE_DELIVERED.toString();\n\n if (!!internalPayload.fcmOptions?.analytics_label) {\n fcmEvent.analytics_label = internalPayload.fcmOptions?.analytics_label;\n }\n\n /* eslint-enable camelcase */\n return fcmEvent;\n}\n\nfunction createAndEnqueueLogEvent(\n messaging: MessagingService,\n fcmEvent: FcmEvent\n): void {\n const logEvent = {} as LogEvent;\n\n /* eslint-disable camelcase */\n logEvent.event_time_ms = Math.floor(Date.now()).toString();\n logEvent.source_extension_json_proto3 = JSON.stringify(fcmEvent);\n // eslint-disable-next-line camelcase\n\n messaging.logEvents.push(logEvent);\n}\n\nexport function _createLogRequest(logEventQueue: LogEvent[]): LogRequest {\n const logRequest = {} as LogRequest;\n\n /* eslint-disable camelcase */\n logRequest.log_source = FCM_LOG_SOURCE.toString();\n logRequest.log_event = logEventQueue;\n /* eslint-enable camelcase */\n\n return logRequest;\n}\n\nexport function _mergeStrings(s1: string, s2: string): string {\n const resultArray = [];\n for (let i = 0; i < s1.length; i++) {\n resultArray.push(s1.charAt(i));\n if (i < s2.length) {\n resultArray.push(s2.charAt(i));\n }\n }\n\n return resultArray.join('');\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 { ERROR_FACTORY, ErrorCode } from '../util/errors';\nimport { FirebaseApp, FirebaseOptions } from '@firebase/app';\n\nimport { AppConfig } from '../interfaces/app-config';\nimport { FirebaseError } from '@firebase/util';\n\nexport function extractAppConfig(app: FirebaseApp): AppConfig {\n if (!app || !app.options) {\n throw getMissingValueError('App Configuration Object');\n }\n\n if (!app.name) {\n throw getMissingValueError('App Name');\n }\n\n // Required app config keys\n const configKeys: ReadonlyArray = [\n 'projectId',\n 'apiKey',\n 'appId',\n 'messagingSenderId'\n ];\n\n const { options } = app;\n for (const keyName of configKeys) {\n if (!options[keyName]) {\n throw getMissingValueError(keyName);\n }\n }\n\n return {\n appName: app.name,\n projectId: options.projectId!,\n apiKey: options.apiKey!,\n appId: options.appId!,\n senderId: options.messagingSenderId!\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 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { FirebaseApp, _FirebaseService } from '@firebase/app';\nimport { MessagePayload, NextFn, Observer } from './interfaces/public-types';\n\nimport { FirebaseAnalyticsInternalName } from '@firebase/analytics-interop-types';\nimport { FirebaseInternalDependencies } from './interfaces/internal-dependencies';\nimport { LogEvent } from './interfaces/logging-types';\nimport { Provider } from '@firebase/component';\nimport { _FirebaseInstallationsInternal } from '@firebase/installations';\nimport { extractAppConfig } from './helpers/extract-app-config';\n\nexport class MessagingService implements _FirebaseService {\n readonly app!: FirebaseApp;\n readonly firebaseDependencies!: FirebaseInternalDependencies;\n\n swRegistration?: ServiceWorkerRegistration;\n vapidKey?: string;\n // logging is only done with end user consent. Default to false.\n deliveryMetricsExportedToBigQueryEnabled: boolean = false;\n\n onBackgroundMessageHandler:\n | NextFn\n | Observer\n | null = null;\n\n onMessageHandler: NextFn | Observer | null =\n null;\n\n logEvents: LogEvent[] = [];\n isLogServiceStarted: boolean = false;\n\n constructor(\n app: FirebaseApp,\n installations: _FirebaseInstallationsInternal,\n analyticsProvider: Provider\n ) {\n const appConfig = extractAppConfig(app);\n\n this.firebaseDependencies = {\n app,\n appConfig,\n installations,\n analyticsProvider\n };\n }\n\n _delete(): Promise {\n return Promise.resolve();\n }\n}\n","/**\n * @license\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { DEFAULT_SW_PATH, DEFAULT_SW_SCOPE } from '../util/constants';\nimport { ERROR_FACTORY, ErrorCode } from '../util/errors';\n\nimport { MessagingService } from '../messaging-service';\n\nexport async function registerDefaultSw(\n messaging: MessagingService\n): Promise {\n try {\n messaging.swRegistration = await navigator.serviceWorker.register(\n DEFAULT_SW_PATH,\n {\n scope: DEFAULT_SW_SCOPE\n }\n );\n\n // The timing when browser updates sw when sw has an update is unreliable from experiment. It\n // leads to version conflict when the SDK upgrades to a newer version in the main page, but sw\n // is stuck with the old version. For example,\n // https://github.com/firebase/firebase-js-sdk/issues/2590 The following line reliably updates\n // sw if there was an update.\n messaging.swRegistration.update().catch(() => {\n /* it is non blocking and we don't care if it failed */\n });\n } catch (e) {\n throw ERROR_FACTORY.create(ErrorCode.FAILED_DEFAULT_REGISTRATION, {\n browserErrorMessage: (e as Error)?.message\n });\n }\n}\n","/**\n * @license\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { ERROR_FACTORY, ErrorCode } from '../util/errors';\n\nimport { MessagingService } from '../messaging-service';\nimport { registerDefaultSw } from './registerDefaultSw';\n\nexport async function updateSwReg(\n messaging: MessagingService,\n swRegistration?: ServiceWorkerRegistration | undefined\n): Promise {\n if (!swRegistration && !messaging.swRegistration) {\n await registerDefaultSw(messaging);\n }\n\n if (!swRegistration && !!messaging.swRegistration) {\n return;\n }\n\n if (!(swRegistration instanceof ServiceWorkerRegistration)) {\n throw ERROR_FACTORY.create(ErrorCode.INVALID_SW_REGISTRATION);\n }\n\n messaging.swRegistration = swRegistration;\n}\n","/**\n * @license\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { DEFAULT_VAPID_KEY } from '../util/constants';\nimport { MessagingService } from '../messaging-service';\n\nexport async function updateVapidKey(\n messaging: MessagingService,\n vapidKey?: string | undefined\n): Promise {\n if (!!vapidKey) {\n messaging.vapidKey = vapidKey;\n } else if (!messaging.vapidKey) {\n messaging.vapidKey = DEFAULT_VAPID_KEY;\n }\n}\n","/**\n * @license\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { ERROR_FACTORY, ErrorCode } from '../util/errors';\n\nimport { MessagingService } from '../messaging-service';\nimport { getTokenInternal } from '../internals/token-manager';\nimport { updateSwReg } from '../helpers/updateSwReg';\nimport { updateVapidKey } from '../helpers/updateVapidKey';\nimport { GetTokenOptions } from '../interfaces/public-types';\n\nexport async function getToken(\n messaging: MessagingService,\n options?: GetTokenOptions\n): Promise {\n if (!navigator) {\n throw ERROR_FACTORY.create(ErrorCode.AVAILABLE_IN_WINDOW);\n }\n\n if (Notification.permission === 'default') {\n await Notification.requestPermission();\n }\n\n if (Notification.permission !== 'granted') {\n throw ERROR_FACTORY.create(ErrorCode.PERMISSION_BLOCKED);\n }\n\n await updateVapidKey(messaging, options?.vapidKey);\n await updateSwReg(messaging, options?.serviceWorkerRegistration);\n\n return getTokenInternal(messaging);\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 CONSOLE_CAMPAIGN_ID,\n CONSOLE_CAMPAIGN_NAME,\n CONSOLE_CAMPAIGN_TIME\n} from '../util/constants';\nimport {\n ConsoleMessageData,\n MessageType\n} from '../interfaces/internal-message-payload';\n\nimport { MessagingService } from '../messaging-service';\n\nexport async function logToScion(\n messaging: MessagingService,\n messageType: MessageType,\n data: ConsoleMessageData\n): Promise {\n const eventType = getEventType(messageType);\n const analytics =\n await messaging.firebaseDependencies.analyticsProvider.get();\n analytics.logEvent(eventType, {\n /* eslint-disable camelcase */\n message_id: data[CONSOLE_CAMPAIGN_ID],\n message_name: data[CONSOLE_CAMPAIGN_NAME],\n message_time: data[CONSOLE_CAMPAIGN_TIME],\n message_device_time: Math.floor(Date.now() / 1000)\n /* eslint-enable camelcase */\n });\n}\n\nfunction getEventType(messageType: MessageType): string {\n switch (messageType) {\n case MessageType.NOTIFICATION_CLICKED:\n return 'notification_open';\n case MessageType.PUSH_RECEIVED:\n return 'notification_foreground';\n default:\n throw new Error();\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 {\n MessagePayloadInternal,\n MessageType\n} from '../interfaces/internal-message-payload';\n\nimport { CONSOLE_CAMPAIGN_ANALYTICS_ENABLED } from '../util/constants';\nimport { MessagingService } from '../messaging-service';\nimport { externalizePayload } from '../helpers/externalizePayload';\nimport { isConsoleMessage } from '../helpers/is-console-message';\nimport { logToScion } from '../helpers/logToScion';\n\nexport async function messageEventListener(\n messaging: MessagingService,\n event: MessageEvent\n): Promise {\n const internalPayload = event.data as MessagePayloadInternal;\n\n if (!internalPayload.isFirebaseMessaging) {\n return;\n }\n\n if (\n messaging.onMessageHandler &&\n internalPayload.messageType === MessageType.PUSH_RECEIVED\n ) {\n if (typeof messaging.onMessageHandler === 'function') {\n messaging.onMessageHandler(externalizePayload(internalPayload));\n } else {\n messaging.onMessageHandler.next(externalizePayload(internalPayload));\n }\n }\n\n // Log to Scion if applicable\n const dataPayload = internalPayload.data;\n if (\n isConsoleMessage(dataPayload) &&\n dataPayload[CONSOLE_CAMPAIGN_ANALYTICS_ENABLED] === '1'\n ) {\n await logToScion(messaging, internalPayload.messageType!, dataPayload);\n }\n}\n","/**\n * @license\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n Component,\n ComponentContainer,\n ComponentType,\n InstanceFactory\n} from '@firebase/component';\nimport {\n onNotificationClick,\n onPush,\n onSubChange\n} from '../listeners/sw-listeners';\n\nimport { GetTokenOptions } from '../interfaces/public-types';\nimport { MessagingInternal } from '@firebase/messaging-interop-types';\nimport { MessagingService } from '../messaging-service';\nimport { ServiceWorkerGlobalScope } from '../util/sw-types';\nimport { _registerComponent, registerVersion } from '@firebase/app';\nimport { getToken } from '../api/getToken';\nimport { messageEventListener } from '../listeners/window-listener';\n\nimport { name, version } from '../../package.json';\n\nconst WindowMessagingFactory: InstanceFactory<'messaging'> = (\n container: ComponentContainer\n) => {\n const messaging = new MessagingService(\n container.getProvider('app').getImmediate(),\n container.getProvider('installations-internal').getImmediate(),\n container.getProvider('analytics-internal')\n );\n\n navigator.serviceWorker.addEventListener('message', e =>\n messageEventListener(messaging as MessagingService, e)\n );\n\n return messaging;\n};\n\nconst WindowMessagingInternalFactory: InstanceFactory<'messaging-internal'> = (\n container: ComponentContainer\n) => {\n const messaging = container\n .getProvider('messaging')\n .getImmediate() as MessagingService;\n\n const messagingInternal: MessagingInternal = {\n getToken: (options?: GetTokenOptions) => getToken(messaging, options)\n };\n\n return messagingInternal;\n};\n\ndeclare const self: ServiceWorkerGlobalScope;\nconst SwMessagingFactory: InstanceFactory<'messaging'> = (\n container: ComponentContainer\n) => {\n const messaging = new MessagingService(\n container.getProvider('app').getImmediate(),\n container.getProvider('installations-internal').getImmediate(),\n container.getProvider('analytics-internal')\n );\n\n self.addEventListener('push', e => {\n e.waitUntil(onPush(e, messaging as MessagingService));\n });\n self.addEventListener('pushsubscriptionchange', e => {\n e.waitUntil(onSubChange(e, messaging as MessagingService));\n });\n self.addEventListener('notificationclick', e => {\n e.waitUntil(onNotificationClick(e));\n });\n\n return messaging;\n};\n\nexport function registerMessagingInWindow(): void {\n _registerComponent(\n new Component('messaging', WindowMessagingFactory, ComponentType.PUBLIC)\n );\n\n _registerComponent(\n new Component(\n 'messaging-internal',\n WindowMessagingInternalFactory,\n ComponentType.PRIVATE\n )\n );\n\n registerVersion(name, version);\n // BUILD_TARGET will be replaced by values like esm5, esm2017, cjs5, etc during the compilation\n registerVersion(name, version, '__BUILD_TARGET__');\n}\n\n/**\n * The messaging instance registered in sw is named differently than that of in client. This is\n * because both `registerMessagingInWindow` and `registerMessagingInSw` would be called in\n * `messaging-compat` and component with the same name can only be registered once.\n */\nexport function registerMessagingInSw(): void {\n _registerComponent(\n new Component('messaging-sw', SwMessagingFactory, ComponentType.PUBLIC)\n );\n}\n","/**\n * @license\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n areCookiesEnabled,\n isIndexedDBAvailable,\n validateIndexedDBOpenable\n} from '@firebase/util';\n\n/**\n * Checks if all required APIs exist in the browser.\n * @returns a Promise that resolves to a boolean.\n *\n * @public\n */\nexport async function isWindowSupported(): Promise {\n try {\n // This throws if open() is unsupported, so adding it to the conditional\n // statement below can cause an uncaught error.\n await validateIndexedDBOpenable();\n } catch (e) {\n return false;\n }\n // firebase-js-sdk/issues/2393 reveals that idb#open in Safari iframe and Firefox private browsing\n // might be prohibited to run. In these contexts, an error would be thrown during the messaging\n // instantiating phase, informing the developers to import/call isSupported for special handling.\n return (\n typeof window !== 'undefined' &&\n isIndexedDBAvailable() &&\n areCookiesEnabled() &&\n 'serviceWorker' in navigator &&\n 'PushManager' in window &&\n 'Notification' in window &&\n 'fetch' in window &&\n ServiceWorkerRegistration.prototype.hasOwnProperty('showNotification') &&\n PushSubscription.prototype.hasOwnProperty('getKey')\n );\n}\n\n/**\n * Checks whether all required APIs exist within SW Context\n * @returns a Promise that resolves to a boolean.\n *\n * @public\n */\nexport async function isSwSupported(): Promise {\n // firebase-js-sdk/issues/2393 reveals that idb#open in Safari iframe and Firefox private browsing\n // might be prohibited to run. In these contexts, an error would be thrown during the messaging\n // instantiating phase, informing the developers to import/call isSupported for special handling.\n return (\n isIndexedDBAvailable() &&\n (await validateIndexedDBOpenable()) &&\n 'PushManager' in self &&\n 'Notification' in self &&\n ServiceWorkerRegistration.prototype.hasOwnProperty('showNotification') &&\n PushSubscription.prototype.hasOwnProperty('getKey')\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 { ERROR_FACTORY, ErrorCode } from './util/errors';\nimport { FirebaseApp, _getProvider, getApp } from '@firebase/app';\nimport {\n GetTokenOptions,\n MessagePayload,\n Messaging\n} from './interfaces/public-types';\nimport {\n NextFn,\n Observer,\n Unsubscribe,\n getModularInstance\n} from '@firebase/util';\nimport { isSwSupported, isWindowSupported } from './api/isSupported';\n\nimport { MessagingService } from './messaging-service';\nimport { deleteToken as _deleteToken } from './api/deleteToken';\nimport { getToken as _getToken } from './api/getToken';\nimport { onBackgroundMessage as _onBackgroundMessage } from './api/onBackgroundMessage';\nimport { onMessage as _onMessage } from './api/onMessage';\nimport { _setDeliveryMetricsExportedToBigQueryEnabled } from './api/setDeliveryMetricsExportedToBigQueryEnabled';\n\n/**\n * Retrieves a Firebase Cloud Messaging instance.\n *\n * @returns The Firebase Cloud Messaging instance associated with the provided firebase app.\n *\n * @public\n */\nexport function getMessagingInWindow(app: FirebaseApp = getApp()): Messaging {\n // Conscious decision to make this async check non-blocking during the messaging instance\n // initialization phase for performance consideration. An error would be thrown latter for\n // developer's information. Developers can then choose to import and call `isSupported` for\n // special handling.\n isWindowSupported().then(\n isSupported => {\n // If `isWindowSupported()` resolved, but returned false.\n if (!isSupported) {\n throw ERROR_FACTORY.create(ErrorCode.UNSUPPORTED_BROWSER);\n }\n },\n _ => {\n // If `isWindowSupported()` rejected.\n throw ERROR_FACTORY.create(ErrorCode.INDEXED_DB_UNSUPPORTED);\n }\n );\n return _getProvider(getModularInstance(app), 'messaging').getImmediate();\n}\n\n/**\n * Retrieves a Firebase Cloud Messaging instance.\n *\n * @returns The Firebase Cloud Messaging instance associated with the provided firebase app.\n *\n * @public\n */\nexport function getMessagingInSw(app: FirebaseApp = getApp()): Messaging {\n // Conscious decision to make this async check non-blocking during the messaging instance\n // initialization phase for performance consideration. An error would be thrown latter for\n // developer's information. Developers can then choose to import and call `isSupported` for\n // special handling.\n isSwSupported().then(\n isSupported => {\n // If `isSwSupported()` resolved, but returned false.\n if (!isSupported) {\n throw ERROR_FACTORY.create(ErrorCode.UNSUPPORTED_BROWSER);\n }\n },\n _ => {\n // If `isSwSupported()` rejected.\n throw ERROR_FACTORY.create(ErrorCode.INDEXED_DB_UNSUPPORTED);\n }\n );\n return _getProvider(getModularInstance(app), 'messaging-sw').getImmediate();\n}\n\n/**\n * Subscribes the {@link Messaging} instance to push notifications. Returns an Firebase Cloud\n * Messaging registration token that can be used to send push messages to that {@link Messaging}\n * instance.\n *\n * If a notification permission isn't already granted, this method asks the user for permission. The\n * returned promise rejects if the user does not allow the app to show notifications.\n *\n * @param messaging - The {@link Messaging} instance.\n * @param options - Provides an optional vapid key and an optinoal service worker registration\n *\n * @returns The promise resolves with an FCM registration token.\n *\n * @public\n */\nexport async function getToken(\n messaging: Messaging,\n options?: GetTokenOptions\n): Promise {\n messaging = getModularInstance(messaging);\n return _getToken(messaging as MessagingService, options);\n}\n\n/**\n * Deletes the registration token associated with this {@link Messaging} instance and unsubscribes\n * the {@link Messaging} instance from the push subscription.\n *\n * @param messaging - The {@link Messaging} instance.\n *\n * @returns The promise resolves when the token has been successfully deleted.\n *\n * @public\n */\nexport function deleteToken(messaging: Messaging): Promise {\n messaging = getModularInstance(messaging);\n return _deleteToken(messaging as MessagingService);\n}\n\n/**\n * When a push message is received and the user is currently on a page for your origin, the\n * message is passed to the page and an `onMessage()` event is dispatched with the payload of\n * the push message.\n *\n *\n * @param messaging - The {@link Messaging} instance.\n * @param nextOrObserver - This function, or observer object with `next` defined,\n * is called when a message is received and the user is currently viewing your page.\n * @returns To stop listening for messages execute this returned function.\n *\n * @public\n */\nexport function onMessage(\n messaging: Messaging,\n nextOrObserver: NextFn | Observer\n): Unsubscribe {\n messaging = getModularInstance(messaging);\n return _onMessage(messaging as MessagingService, nextOrObserver);\n}\n\n/**\n * Called when a message is received while the app is in the background. An app is considered to be\n * in the background if no active window is displayed.\n *\n * @param messaging - The {@link Messaging} instance.\n * @param nextOrObserver - This function, or observer object with `next` defined, is called when a\n * message is received and the app is currently in the background.\n *\n * @returns To stop listening for messages execute this returned function\n *\n * @public\n */\nexport function onBackgroundMessage(\n messaging: Messaging,\n nextOrObserver: NextFn | Observer\n): Unsubscribe {\n messaging = getModularInstance(messaging);\n return _onBackgroundMessage(messaging as MessagingService, nextOrObserver);\n}\n\n/**\n * Enables or disables Firebase Cloud Messaging message delivery metrics export to BigQuery. By\n * default, message delivery metrics are not exported to BigQuery. Use this method to enable or\n * disable the export at runtime.\n *\n * @param messaging - The `FirebaseMessaging` instance.\n * @param enable - Whether Firebase Cloud Messaging should export message delivery metrics to\n * BigQuery.\n *\n * @public\n */\nexport function experimentalSetDeliveryMetricsExportedToBigQueryEnabled(\n messaging: Messaging,\n enable: boolean\n): void {\n messaging = getModularInstance(messaging);\n return _setDeliveryMetricsExportedToBigQueryEnabled(messaging, enable);\n}\n","import { initializeApp } from \"firebase/app\";\r\nimport { getMessaging, getToken, onMessage } from \"firebase/messaging\";\r\nimport { Cache } from './scripts/Cache';\r\n\r\nconst firebaseConfig = {\r\n apiKey: \"AIzaSyCX-bDhCB2lztCYVeULK7357DMuLaCOd6o\",\r\n authDomain: \"i2play-push-notifications.firebaseapp.com\",\r\n projectId: \"i2play-push-notifications\",\r\n storageBucket: \"i2play-push-notifications.appspot.com\",\r\n messagingSenderId: \"509271833738\",\r\n appId: \"1:509271833738:web:246daa3227c719bb138173\",\r\n measurementId: \"G-B337LEJKNX\"\r\n };\r\n\r\n \r\nconst app = initializeApp(firebaseConfig);\r\nconst messaging = getMessaging(app);\r\nconst publicKey = \"BDw1d0pkLcMjascwBuPcNOy7W-I1OpYXDnIVSEv1jtKxlxYcVdst7QgZKbKmam1YKEgUAUdrrJ-38CbQQy3B0pw\";\r\n\r\nexport const requestForToken = async (setTokenFound) => {\r\n let currentToken = \"\";\r\n\r\n try {\r\n currentToken = await getToken(messaging, { vapidKey: publicKey });\r\n Cache.Set(\"firebase_token\", currentToken);\r\n if (currentToken) {\r\n setTokenFound(true);\r\n } else {\r\n setTokenFound(false);\r\n }\r\n } catch (error) {\r\n console.log(\"An error occurred while retrieving token. \", error);\r\n }\r\n\r\n return currentToken;\r\n};\r\n\r\n\r\nexport const onMessageListener = () =>\r\n new Promise((resolve) => {\r\n onMessage((payload) => {\r\n resolve(payload);\r\n });\r\n });\r\n\r\n\r\n ","/**\n * Owl Carousel v2.2.1\n * Copyright 2013-2017 David Deutsch\n * Licensed under ()\n */\n/**\n * Owl carousel\n * @version 2.1.6\n * @author Bartosz Wojciechowski\n * @author David Deutsch\n * @license The MIT License (MIT)\n * @todo Lazy Load Icon\n * @todo prevent animationend bubling\n * @todo itemsScaleUp\n * @todo Test Zepto\n * @todo stagePadding calculate wrong active classes\n */\n;(function($, window, document, undefined) {\n\n\t/**\n\t * Creates a carousel.\n\t * @class The Owl Carousel.\n\t * @public\n\t * @param {HTMLElement|window.jQuery} element - The element to create the carousel for.\n\t * @param {Object} [options] - The options\n\t */\n\tfunction Owl(element, options) {\n\n\t\t/**\n\t\t * Current settings for the carousel.\n\t\t * @public\n\t\t */\n\t\tthis.settings = null;\n\n\t\t/**\n\t\t * Current options set by the caller including defaults.\n\t\t * @public\n\t\t */\n\t\tthis.options = $.extend({}, Owl.Defaults, options);\n\n\t\t/**\n\t\t * Plugin element.\n\t\t * @public\n\t\t */\n\t\tthis.$element = $(element);\n\n\t\t/**\n\t\t * Proxied event handlers.\n\t\t * @protected\n\t\t */\n\t\tthis._handlers = {};\n\n\t\t/**\n\t\t * References to the running plugins of this carousel.\n\t\t * @protected\n\t\t */\n\t\tthis._plugins = {};\n\n\t\t/**\n\t\t * Currently suppressed events to prevent them from beeing retriggered.\n\t\t * @protected\n\t\t */\n\t\tthis._supress = {};\n\n\t\t/**\n\t\t * Absolute current position.\n\t\t * @protected\n\t\t */\n\t\tthis._current = null;\n\n\t\t/**\n\t\t * Animation speed in milliseconds.\n\t\t * @protected\n\t\t */\n\t\tthis._speed = null;\n\n\t\t/**\n\t\t * Coordinates of all items in pixel.\n\t\t * @todo The name of this member is missleading.\n\t\t * @protected\n\t\t */\n\t\tthis._coordinates = [];\n\n\t\t/**\n\t\t * Current breakpoint.\n\t\t * @todo Real media queries would be nice.\n\t\t * @protected\n\t\t */\n\t\tthis._breakpoint = null;\n\n\t\t/**\n\t\t * Current width of the plugin element.\n\t\t */\n\t\tthis._width = null;\n\n\t\t/**\n\t\t * All real items.\n\t\t * @protected\n\t\t */\n\t\tthis._items = [];\n\n\t\t/**\n\t\t * All cloned items.\n\t\t * @protected\n\t\t */\n\t\tthis._clones = [];\n\n\t\t/**\n\t\t * Merge values of all items.\n\t\t * @todo Maybe this could be part of a plugin.\n\t\t * @protected\n\t\t */\n\t\tthis._mergers = [];\n\n\t\t/**\n\t\t * Widths of all items.\n\t\t */\n\t\tthis._widths = [];\n\n\t\t/**\n\t\t * Invalidated parts within the update process.\n\t\t * @protected\n\t\t */\n\t\tthis._invalidated = {};\n\n\t\t/**\n\t\t * Ordered list of workers for the update process.\n\t\t * @protected\n\t\t */\n\t\tthis._pipe = [];\n\n\t\t/**\n\t\t * Current state information for the drag operation.\n\t\t * @todo #261\n\t\t * @protected\n\t\t */\n\t\tthis._drag = {\n\t\t\ttime: null,\n\t\t\ttarget: null,\n\t\t\tpointer: null,\n\t\t\tstage: {\n\t\t\t\tstart: null,\n\t\t\t\tcurrent: null\n\t\t\t},\n\t\t\tdirection: null\n\t\t};\n\n\t\t/**\n\t\t * Current state information and their tags.\n\t\t * @type {Object}\n\t\t * @protected\n\t\t */\n\t\tthis._states = {\n\t\t\tcurrent: {},\n\t\t\ttags: {\n\t\t\t\t'initializing': [ 'busy' ],\n\t\t\t\t'animating': [ 'busy' ],\n\t\t\t\t'dragging': [ 'interacting' ]\n\t\t\t}\n\t\t};\n\n\t\t$.each([ 'onResize', 'onThrottledResize' ], $.proxy(function(i, handler) {\n\t\t\tthis._handlers[handler] = $.proxy(this[handler], this);\n\t\t}, this));\n\n\t\t$.each(Owl.Plugins, $.proxy(function(key, plugin) {\n\t\t\tthis._plugins[key.charAt(0).toLowerCase() + key.slice(1)]\n\t\t\t\t= new plugin(this);\n\t\t}, this));\n\n\t\t$.each(Owl.Workers, $.proxy(function(priority, worker) {\n\t\t\tthis._pipe.push({\n\t\t\t\t'filter': worker.filter,\n\t\t\t\t'run': $.proxy(worker.run, this)\n\t\t\t});\n\t\t}, this));\n\n\t\tthis.setup();\n\t\tthis.initialize();\n\t}\n\n\t/**\n\t * Default options for the carousel.\n\t * @public\n\t */\n\tOwl.Defaults = {\n\t\titems: 3,\n\t\tloop: false,\n\t\tcenter: false,\n\t\trewind: false,\n\n\t\tmouseDrag: true,\n\t\ttouchDrag: true,\n\t\tpullDrag: true,\n\t\tfreeDrag: false,\n\n\t\tmargin: 0,\n\t\tstagePadding: 0,\n\n\t\tmerge: false,\n\t\tmergeFit: true,\n\t\tautoWidth: false,\n\n\t\tstartPosition: 0,\n\t\trtl: false,\n\n\t\tsmartSpeed: 250,\n\t\tfluidSpeed: false,\n\t\tdragEndSpeed: false,\n\n\t\tresponsive: {},\n\t\tresponsiveRefreshRate: 200,\n\t\tresponsiveBaseElement: window,\n\n\t\tfallbackEasing: 'swing',\n\n\t\tinfo: false,\n\n\t\tnestedItemSelector: false,\n\t\titemElement: 'div',\n\t\tstageElement: 'div',\n\n\t\trefreshClass: 'owl-refresh',\n\t\tloadedClass: 'owl-loaded',\n\t\tloadingClass: 'owl-loading',\n\t\trtlClass: 'owl-rtl',\n\t\tresponsiveClass: 'owl-responsive',\n\t\tdragClass: 'owl-drag',\n\t\titemClass: 'owl-item',\n\t\tstageClass: 'owl-stage',\n\t\tstageOuterClass: 'owl-stage-outer',\n\t\tgrabClass: 'owl-grab'\n\t};\n\n\t/**\n\t * Enumeration for width.\n\t * @public\n\t * @readonly\n\t * @enum {String}\n\t */\n\tOwl.Width = {\n\t\tDefault: 'default',\n\t\tInner: 'inner',\n\t\tOuter: 'outer'\n\t};\n\n\t/**\n\t * Enumeration for types.\n\t * @public\n\t * @readonly\n\t * @enum {String}\n\t */\n\tOwl.Type = {\n\t\tEvent: 'event',\n\t\tState: 'state'\n\t};\n\n\t/**\n\t * Contains all registered plugins.\n\t * @public\n\t */\n\tOwl.Plugins = {};\n\n\t/**\n\t * List of workers involved in the update process.\n\t */\n\tOwl.Workers = [ {\n\t\tfilter: [ 'width', 'settings' ],\n\t\trun: function() {\n\t\t\tthis._width = this.$element.width();\n\t\t}\n\t}, {\n\t\tfilter: [ 'width', 'items', 'settings' ],\n\t\trun: function(cache) {\n\t\t\tcache.current = this._items && this._items[this.relative(this._current)];\n\t\t}\n\t}, {\n\t\tfilter: [ 'items', 'settings' ],\n\t\trun: function() {\n\t\t\tthis.$stage.children('.cloned').remove();\n\t\t}\n\t}, {\n\t\tfilter: [ 'width', 'items', 'settings' ],\n\t\trun: function(cache) {\n\t\t\tvar margin = this.settings.margin || '',\n\t\t\t\tgrid = !this.settings.autoWidth,\n\t\t\t\trtl = this.settings.rtl,\n\t\t\t\tcss = {\n\t\t\t\t\t'width': 'auto',\n\t\t\t\t\t'margin-left': rtl ? margin : '',\n\t\t\t\t\t'margin-right': rtl ? '' : margin\n\t\t\t\t};\n\n\t\t\t!grid && this.$stage.children().css(css);\n\n\t\t\tcache.css = css;\n\t\t}\n\t}, {\n\t\tfilter: [ 'width', 'items', 'settings' ],\n\t\trun: function(cache) {\n\t\t\tvar width = (this.width() / this.settings.items).toFixed(3) - this.settings.margin,\n\t\t\t\tmerge = null,\n\t\t\t\titerator = this._items.length,\n\t\t\t\tgrid = !this.settings.autoWidth,\n\t\t\t\twidths = [];\n\n\t\t\tcache.items = {\n\t\t\t\tmerge: false,\n\t\t\t\twidth: width\n\t\t\t};\n\n\t\t\twhile (iterator--) {\n\t\t\t\tmerge = this._mergers[iterator];\n\t\t\t\tmerge = this.settings.mergeFit && Math.min(merge, this.settings.items) || merge;\n\n\t\t\t\tcache.items.merge = merge > 1 || cache.items.merge;\n\n\t\t\t\twidths[iterator] = !grid ? this._items[iterator].width() : width * merge;\n\t\t\t}\n\n\t\t\tthis._widths = widths;\n\t\t}\n\t}, {\n\t\tfilter: [ 'items', 'settings' ],\n\t\trun: function() {\n\t\t\tvar clones = [],\n\t\t\t\titems = this._items,\n\t\t\t\tsettings = this.settings,\n\t\t\t\t// TODO: Should be computed from number of min width items in stage\n\t\t\t\tview = Math.max(settings.items * 2, 4),\n\t\t\t\tsize = Math.ceil(items.length / 2) * 2,\n\t\t\t\trepeat = settings.loop && items.length ? settings.rewind ? view : Math.max(view, size) : 0,\n\t\t\t\tappend = '',\n\t\t\t\tprepend = '';\n\n\t\t\trepeat /= 2;\n\n\t\t\twhile (repeat--) {\n\t\t\t\t// Switch to only using appended clones\n\t\t\t\tclones.push(this.normalize(clones.length / 2, true));\n\t\t\t\tappend = append + items[clones[clones.length - 1]][0].outerHTML;\n\t\t\t\tclones.push(this.normalize(items.length - 1 - (clones.length - 1) / 2, true));\n\t\t\t\tprepend = items[clones[clones.length - 1]][0].outerHTML + prepend;\n\t\t\t}\n\n\t\t\tthis._clones = clones;\n\n\t\t\t$(append).addClass('cloned').appendTo(this.$stage);\n\t\t\t$(prepend).addClass('cloned').prependTo(this.$stage);\n\t\t}\n\t}, {\n\t\tfilter: [ 'width', 'items', 'settings' ],\n\t\trun: function() {\n\t\t\tvar rtl = this.settings.rtl ? 1 : -1,\n\t\t\t\tsize = this._clones.length + this._items.length,\n\t\t\t\titerator = -1,\n\t\t\t\tprevious = 0,\n\t\t\t\tcurrent = 0,\n\t\t\t\tcoordinates = [];\n\n\t\t\twhile (++iterator < size) {\n\t\t\t\tprevious = coordinates[iterator - 1] || 0;\n\t\t\t\tcurrent = this._widths[this.relative(iterator)] + this.settings.margin;\n\t\t\t\tcoordinates.push(previous + current * rtl);\n\t\t\t}\n\n\t\t\tthis._coordinates = coordinates;\n\t\t}\n\t}, {\n\t\tfilter: [ 'width', 'items', 'settings' ],\n\t\trun: function() {\n\t\t\tvar padding = this.settings.stagePadding,\n\t\t\t\tcoordinates = this._coordinates,\n\t\t\t\tcss = {\n\t\t\t\t\t'width': Math.ceil(Math.abs(coordinates[coordinates.length - 1])) + padding * 2,\n\t\t\t\t\t'padding-left': padding || '',\n\t\t\t\t\t'padding-right': padding || ''\n\t\t\t\t};\n\n\t\t\tthis.$stage.css(css);\n\t\t}\n\t}, {\n\t\tfilter: [ 'width', 'items', 'settings' ],\n\t\trun: function(cache) {\n\t\t\tvar iterator = this._coordinates.length,\n\t\t\t\tgrid = !this.settings.autoWidth,\n\t\t\t\titems = this.$stage.children();\n\n\t\t\tif (grid && cache.items.merge) {\n\t\t\t\twhile (iterator--) {\n\t\t\t\t\tcache.css.width = this._widths[this.relative(iterator)];\n\t\t\t\t\titems.eq(iterator).css(cache.css);\n\t\t\t\t}\n\t\t\t} else if (grid) {\n\t\t\t\tcache.css.width = cache.items.width;\n\t\t\t\titems.css(cache.css);\n\t\t\t}\n\t\t}\n\t}, {\n\t\tfilter: [ 'items' ],\n\t\trun: function() {\n\t\t\tthis._coordinates.length < 1 && this.$stage.removeAttr('style');\n\t\t}\n\t}, {\n\t\tfilter: [ 'width', 'items', 'settings' ],\n\t\trun: function(cache) {\n\t\t\tcache.current = cache.current ? this.$stage.children().index(cache.current) : 0;\n\t\t\tcache.current = Math.max(this.minimum(), Math.min(this.maximum(), cache.current));\n\t\t\tthis.reset(cache.current);\n\t\t}\n\t}, {\n\t\tfilter: [ 'position' ],\n\t\trun: function() {\n\t\t\tthis.animate(this.coordinates(this._current));\n\t\t}\n\t}, {\n\t\tfilter: [ 'width', 'position', 'items', 'settings' ],\n\t\trun: function() {\n\t\t\tvar rtl = this.settings.rtl ? 1 : -1,\n\t\t\t\tpadding = this.settings.stagePadding * 2,\n\t\t\t\tbegin = this.coordinates(this.current()) + padding,\n\t\t\t\tend = begin + this.width() * rtl,\n\t\t\t\tinner, outer, matches = [], i, n;\n\n\t\t\tfor (i = 0, n = this._coordinates.length; i < n; i++) {\n\t\t\t\tinner = this._coordinates[i - 1] || 0;\n\t\t\t\touter = Math.abs(this._coordinates[i]) + padding * rtl;\n\n\t\t\t\tif ((this.op(inner, '<=', begin) && (this.op(inner, '>', end)))\n\t\t\t\t\t|| (this.op(outer, '<', begin) && this.op(outer, '>', end))) {\n\t\t\t\t\tmatches.push(i);\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tthis.$stage.children('.active').removeClass('active');\n\t\t\tthis.$stage.children(':eq(' + matches.join('), :eq(') + ')').addClass('active');\n\n\t\t\tif (this.settings.center) {\n\t\t\t\tthis.$stage.children('.center').removeClass('center');\n\t\t\t\tthis.$stage.children().eq(this.current()).addClass('center');\n\t\t\t}\n\t\t}\n\t} ];\n\n\t/**\n\t * Initializes the carousel.\n\t * @protected\n\t */\n\tOwl.prototype.initialize = function() {\n\t\tthis.enter('initializing');\n\t\tthis.trigger('initialize');\n\n\t\tthis.$element.toggleClass(this.settings.rtlClass, this.settings.rtl);\n\n\t\tif (this.settings.autoWidth && !this.is('pre-loading')) {\n\t\t\tvar imgs, nestedSelector, width;\n\t\t\timgs = this.$element.find('img');\n\t\t\tnestedSelector = this.settings.nestedItemSelector ? '.' + this.settings.nestedItemSelector : undefined;\n\t\t\twidth = this.$element.children(nestedSelector).width();\n\n\t\t\tif (imgs.length && width <= 0) {\n\t\t\t\tthis.preloadAutoWidthImages(imgs);\n\t\t\t}\n\t\t}\n\n\t\tthis.$element.addClass(this.options.loadingClass);\n\n\t\t// create stage\n\t\tthis.$stage = $('<' + this.settings.stageElement + ' class=\"' + this.settings.stageClass + '\"/>')\n\t\t\t.wrap('');\n\n\t\t// append stage\n\t\tthis.$element.append(this.$stage.parent());\n\n\t\t// append content\n\t\tthis.replace(this.$element.children().not(this.$stage.parent()));\n\n\t\t// check visibility\n\t\tif (this.$element.is(':visible')) {\n\t\t\t// update view\n\t\t\tthis.refresh();\n\t\t} else {\n\t\t\t// invalidate width\n\t\t\tthis.invalidate('width');\n\t\t}\n\n\t\tthis.$element\n\t\t\t.removeClass(this.options.loadingClass)\n\t\t\t.addClass(this.options.loadedClass);\n\n\t\t// register event handlers\n\t\tthis.registerEventHandlers();\n\n\t\tthis.leave('initializing');\n\t\tthis.trigger('initialized');\n\t};\n\n\t/**\n\t * Setups the current settings.\n\t * @todo Remove responsive classes. Why should adaptive designs be brought into IE8?\n\t * @todo Support for media queries by using `matchMedia` would be nice.\n\t * @public\n\t */\n\tOwl.prototype.setup = function() {\n\t\tvar viewport = this.viewport(),\n\t\t\toverwrites = this.options.responsive,\n\t\t\tmatch = -1,\n\t\t\tsettings = null;\n\n\t\tif (!overwrites) {\n\t\t\tsettings = $.extend({}, this.options);\n\t\t} else {\n\t\t\t$.each(overwrites, function(breakpoint) {\n\t\t\t\tif (breakpoint <= viewport && breakpoint > match) {\n\t\t\t\t\tmatch = Number(breakpoint);\n\t\t\t\t}\n\t\t\t});\n\n\t\t\tsettings = $.extend({}, this.options, overwrites[match]);\n\t\t\tif (typeof settings.stagePadding === 'function') {\n\t\t\t\tsettings.stagePadding = settings.stagePadding();\n\t\t\t}\n\t\t\tdelete settings.responsive;\n\n\t\t\t// responsive class\n\t\t\tif (settings.responsiveClass) {\n\t\t\t\tthis.$element.attr('class',\n\t\t\t\t\tthis.$element.attr('class').replace(new RegExp('(' + this.options.responsiveClass + '-)\\\\S+\\\\s', 'g'), '$1' + match)\n\t\t\t\t);\n\t\t\t}\n\t\t}\n\n\t\tthis.trigger('change', { property: { name: 'settings', value: settings } });\n\t\tthis._breakpoint = match;\n\t\tthis.settings = settings;\n\t\tthis.invalidate('settings');\n\t\tthis.trigger('changed', { property: { name: 'settings', value: this.settings } });\n\t};\n\n\t/**\n\t * Updates option logic if necessery.\n\t * @protected\n\t */\n\tOwl.prototype.optionsLogic = function() {\n\t\tif (this.settings.autoWidth) {\n\t\t\tthis.settings.stagePadding = false;\n\t\t\tthis.settings.merge = false;\n\t\t}\n\t};\n\n\t/**\n\t * Prepares an item before add.\n\t * @todo Rename event parameter `content` to `item`.\n\t * @protected\n\t * @returns {window.jQuery|HTMLElement} - The item container.\n\t */\n\tOwl.prototype.prepare = function(item) {\n\t\tvar event = this.trigger('prepare', { content: item });\n\n\t\tif (!event.data) {\n\t\t\tevent.data = $('<' + this.settings.itemElement + '/>')\n\t\t\t\t.addClass(this.options.itemClass).append(item)\n\t\t}\n\n\t\tthis.trigger('prepared', { content: event.data });\n\n\t\treturn event.data;\n\t};\n\n\t/**\n\t * Updates the view.\n\t * @public\n\t */\n\tOwl.prototype.update = function() {\n\t\tvar i = 0,\n\t\t\tn = this._pipe.length,\n\t\t\tfilter = $.proxy(function(p) { return this[p] }, this._invalidated),\n\t\t\tcache = {};\n\n\t\twhile (i < n) {\n\t\t\tif (this._invalidated.all || $.grep(this._pipe[i].filter, filter).length > 0) {\n\t\t\t\tthis._pipe[i].run(cache);\n\t\t\t}\n\t\t\ti++;\n\t\t}\n\n\t\tthis._invalidated = {};\n\n\t\t!this.is('valid') && this.enter('valid');\n\t};\n\n\t/**\n\t * Gets the width of the view.\n\t * @public\n\t * @param {Owl.Width} [dimension=Owl.Width.Default] - The dimension to return.\n\t * @returns {Number} - The width of the view in pixel.\n\t */\n\tOwl.prototype.width = function(dimension) {\n\t\tdimension = dimension || Owl.Width.Default;\n\t\tswitch (dimension) {\n\t\t\tcase Owl.Width.Inner:\n\t\t\tcase Owl.Width.Outer:\n\t\t\t\treturn this._width;\n\t\t\tdefault:\n\t\t\t\treturn this._width - this.settings.stagePadding * 2 + this.settings.margin;\n\t\t}\n\t};\n\n\t/**\n\t * Refreshes the carousel primarily for adaptive purposes.\n\t * @public\n\t */\n\tOwl.prototype.refresh = function() {\n\t\tthis.enter('refreshing');\n\t\tthis.trigger('refresh');\n\n\t\tthis.setup();\n\n\t\tthis.optionsLogic();\n\n\t\tthis.$element.addClass(this.options.refreshClass);\n\n\t\tthis.update();\n\n\t\tthis.$element.removeClass(this.options.refreshClass);\n\n\t\tthis.leave('refreshing');\n\t\tthis.trigger('refreshed');\n\t};\n\n\t/**\n\t * Checks window `resize` event.\n\t * @protected\n\t */\n\tOwl.prototype.onThrottledResize = function() {\n\t\twindow.clearTimeout(this.resizeTimer);\n\t\tthis.resizeTimer = window.setTimeout(this._handlers.onResize, this.settings.responsiveRefreshRate);\n\t};\n\n\t/**\n\t * Checks window `resize` event.\n\t * @protected\n\t */\n\tOwl.prototype.onResize = function() {\n\t\tif (!this._items.length) {\n\t\t\treturn false;\n\t\t}\n\n\t\tif (this._width === this.$element.width()) {\n\t\t\treturn false;\n\t\t}\n\n\t\tif (!this.$element.is(':visible')) {\n\t\t\treturn false;\n\t\t}\n\n\t\tthis.enter('resizing');\n\n\t\tif (this.trigger('resize').isDefaultPrevented()) {\n\t\t\tthis.leave('resizing');\n\t\t\treturn false;\n\t\t}\n\n\t\tthis.invalidate('width');\n\n\t\tthis.refresh();\n\n\t\tthis.leave('resizing');\n\t\tthis.trigger('resized');\n\t};\n\n\t/**\n\t * Registers event handlers.\n\t * @todo Check `msPointerEnabled`\n\t * @todo #261\n\t * @protected\n\t */\n\tOwl.prototype.registerEventHandlers = function() {\n\t\tif ($.support.transition) {\n\t\t\tthis.$stage.on($.support.transition.end + '.owl.core', $.proxy(this.onTransitionEnd, this));\n\t\t}\n\n\t\tif (this.settings.responsive !== false) {\n\t\t\tthis.on(window, 'resize', this._handlers.onThrottledResize);\n\t\t}\n\n\t\tif (this.settings.mouseDrag) {\n\t\t\tthis.$element.addClass(this.options.dragClass);\n\t\t\tthis.$stage.on('mousedown.owl.core', $.proxy(this.onDragStart, this));\n\t\t\tthis.$stage.on('dragstart.owl.core selectstart.owl.core', function() { return false });\n\t\t}\n\n\t\tif (this.settings.touchDrag){\n\t\t\tthis.$stage.on('touchstart.owl.core', $.proxy(this.onDragStart, this));\n\t\t\tthis.$stage.on('touchcancel.owl.core', $.proxy(this.onDragEnd, this));\n\t\t}\n\t};\n\n\t/**\n\t * Handles `touchstart` and `mousedown` events.\n\t * @todo Horizontal swipe threshold as option\n\t * @todo #261\n\t * @protected\n\t * @param {Event} event - The event arguments.\n\t */\n\tOwl.prototype.onDragStart = function(event) {\n\t\tvar stage = null;\n\n\t\tif (event.which === 3) {\n\t\t\treturn;\n\t\t}\n\n\t\tif ($.support.transform) {\n\t\t\tstage = this.$stage.css('transform').replace(/.*\\(|\\)| /g, '').split(',');\n\t\t\tstage = {\n\t\t\t\tx: stage[stage.length === 16 ? 12 : 4],\n\t\t\t\ty: stage[stage.length === 16 ? 13 : 5]\n\t\t\t};\n\t\t} else {\n\t\t\tstage = this.$stage.position();\n\t\t\tstage = {\n\t\t\t\tx: this.settings.rtl ?\n\t\t\t\t\tstage.left + this.$stage.width() - this.width() + this.settings.margin :\n\t\t\t\t\tstage.left,\n\t\t\t\ty: stage.top\n\t\t\t};\n\t\t}\n\n\t\tif (this.is('animating')) {\n\t\t\t$.support.transform ? this.animate(stage.x) : this.$stage.stop()\n\t\t\tthis.invalidate('position');\n\t\t}\n\n\t\tthis.$element.toggleClass(this.options.grabClass, event.type === 'mousedown');\n\n\t\tthis.speed(0);\n\n\t\tthis._drag.time = new Date().getTime();\n\t\tthis._drag.target = $(event.target);\n\t\tthis._drag.stage.start = stage;\n\t\tthis._drag.stage.current = stage;\n\t\tthis._drag.pointer = this.pointer(event);\n\n\t\t$(document).on('mouseup.owl.core touchend.owl.core', $.proxy(this.onDragEnd, this));\n\n\t\t$(document).one('mousemove.owl.core touchmove.owl.core', $.proxy(function(event) {\n\t\t\tvar delta = this.difference(this._drag.pointer, this.pointer(event));\n\n\t\t\t$(document).on('mousemove.owl.core touchmove.owl.core', $.proxy(this.onDragMove, this));\n\n\t\t\tif (Math.abs(delta.x) < Math.abs(delta.y) && this.is('valid')) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tevent.preventDefault();\n\n\t\t\tthis.enter('dragging');\n\t\t\tthis.trigger('drag');\n\t\t}, this));\n\t};\n\n\t/**\n\t * Handles the `touchmove` and `mousemove` events.\n\t * @todo #261\n\t * @protected\n\t * @param {Event} event - The event arguments.\n\t */\n\tOwl.prototype.onDragMove = function(event) {\n\t\tvar minimum = null,\n\t\t\tmaximum = null,\n\t\t\tpull = null,\n\t\t\tdelta = this.difference(this._drag.pointer, this.pointer(event)),\n\t\t\tstage = this.difference(this._drag.stage.start, delta);\n\n\t\tif (!this.is('dragging')) {\n\t\t\treturn;\n\t\t}\n\n\t\tevent.preventDefault();\n\n\t\tif (this.settings.loop) {\n\t\t\tminimum = this.coordinates(this.minimum());\n\t\t\tmaximum = this.coordinates(this.maximum() + 1) - minimum;\n\t\t\tstage.x = (((stage.x - minimum) % maximum + maximum) % maximum) + minimum;\n\t\t} else {\n\t\t\tminimum = this.settings.rtl ? this.coordinates(this.maximum()) : this.coordinates(this.minimum());\n\t\t\tmaximum = this.settings.rtl ? this.coordinates(this.minimum()) : this.coordinates(this.maximum());\n\t\t\tpull = this.settings.pullDrag ? -1 * delta.x / 5 : 0;\n\t\t\tstage.x = Math.max(Math.min(stage.x, minimum + pull), maximum + pull);\n\t\t}\n\n\t\tthis._drag.stage.current = stage;\n\n\t\tthis.animate(stage.x);\n\t};\n\n\t/**\n\t * Handles the `touchend` and `mouseup` events.\n\t * @todo #261\n\t * @todo Threshold for click event\n\t * @protected\n\t * @param {Event} event - The event arguments.\n\t */\n\tOwl.prototype.onDragEnd = function(event) {\n\t\tvar delta = this.difference(this._drag.pointer, this.pointer(event)),\n\t\t\tstage = this._drag.stage.current,\n\t\t\tdirection = delta.x > 0 ^ this.settings.rtl ? 'left' : 'right';\n\n\t\t$(document).off('.owl.core');\n\n\t\tthis.$element.removeClass(this.options.grabClass);\n\n\t\tif (delta.x !== 0 && this.is('dragging') || !this.is('valid')) {\n\t\t\tthis.speed(this.settings.dragEndSpeed || this.settings.smartSpeed);\n\t\t\tthis.current(this.closest(stage.x, delta.x !== 0 ? direction : this._drag.direction));\n\t\t\tthis.invalidate('position');\n\t\t\tthis.update();\n\n\t\t\tthis._drag.direction = direction;\n\n\t\t\tif (Math.abs(delta.x) > 3 || new Date().getTime() - this._drag.time > 300) {\n\t\t\t\tthis._drag.target.one('click.owl.core', function() { return false; });\n\t\t\t}\n\t\t}\n\n\t\tif (!this.is('dragging')) {\n\t\t\treturn;\n\t\t}\n\n\t\tthis.leave('dragging');\n\t\tthis.trigger('dragged');\n\t};\n\n\t/**\n\t * Gets absolute position of the closest item for a coordinate.\n\t * @todo Setting `freeDrag` makes `closest` not reusable. See #165.\n\t * @protected\n\t * @param {Number} coordinate - The coordinate in pixel.\n\t * @param {String} direction - The direction to check for the closest item. Ether `left` or `right`.\n\t * @return {Number} - The absolute position of the closest item.\n\t */\n\tOwl.prototype.closest = function(coordinate, direction) {\n\t\tvar position = -1,\n\t\t\tpull = 30,\n\t\t\twidth = this.width(),\n\t\t\tcoordinates = this.coordinates();\n\n\t\tif (!this.settings.freeDrag) {\n\t\t\t// check closest item\n\t\t\t$.each(coordinates, $.proxy(function(index, value) {\n\t\t\t\t// on a left pull, check on current index\n\t\t\t\tif (direction === 'left' && coordinate > value - pull && coordinate < value + pull) {\n\t\t\t\t\tposition = index;\n\t\t\t\t// on a right pull, check on previous index\n\t\t\t\t// to do so, subtract width from value and set position = index + 1\n\t\t\t\t} else if (direction === 'right' && coordinate > value - width - pull && coordinate < value - width + pull) {\n\t\t\t\t\tposition = index + 1;\n\t\t\t\t} else if (this.op(coordinate, '<', value)\n\t\t\t\t\t&& this.op(coordinate, '>', coordinates[index + 1] || value - width)) {\n\t\t\t\t\tposition = direction === 'left' ? index + 1 : index;\n\t\t\t\t}\n\t\t\t\treturn position === -1;\n\t\t\t}, this));\n\t\t}\n\n\t\tif (!this.settings.loop) {\n\t\t\t// non loop boundries\n\t\t\tif (this.op(coordinate, '>', coordinates[this.minimum()])) {\n\t\t\t\tposition = coordinate = this.minimum();\n\t\t\t} else if (this.op(coordinate, '<', coordinates[this.maximum()])) {\n\t\t\t\tposition = coordinate = this.maximum();\n\t\t\t}\n\t\t}\n\n\t\treturn position;\n\t};\n\n\t/**\n\t * Animates the stage.\n\t * @todo #270\n\t * @public\n\t * @param {Number} coordinate - The coordinate in pixels.\n\t */\n\tOwl.prototype.animate = function(coordinate) {\n\t\tvar animate = this.speed() > 0;\n\n\t\tthis.is('animating') && this.onTransitionEnd();\n\n\t\tif (animate) {\n\t\t\tthis.enter('animating');\n\t\t\tthis.trigger('translate');\n\t\t}\n\n\t\tif ($.support.transform3d && $.support.transition) {\n\t\t\tthis.$stage.css({\n\t\t\t\ttransform: 'translate3d(' + coordinate + 'px,0px,0px)',\n\t\t\t\ttransition: (this.speed() / 1000) + 's'\n\t\t\t});\n\t\t} else if (animate) {\n\t\t\tthis.$stage.animate({\n\t\t\t\tleft: coordinate + 'px'\n\t\t\t}, this.speed(), this.settings.fallbackEasing, $.proxy(this.onTransitionEnd, this));\n\t\t} else {\n\t\t\tthis.$stage.css({\n\t\t\t\tleft: coordinate + 'px'\n\t\t\t});\n\t\t}\n\t};\n\n\t/**\n\t * Checks whether the carousel is in a specific state or not.\n\t * @param {String} state - The state to check.\n\t * @returns {Boolean} - The flag which indicates if the carousel is busy.\n\t */\n\tOwl.prototype.is = function(state) {\n\t\treturn this._states.current[state] && this._states.current[state] > 0;\n\t};\n\n\t/**\n\t * Sets the absolute position of the current item.\n\t * @public\n\t * @param {Number} [position] - The new absolute position or nothing to leave it unchanged.\n\t * @returns {Number} - The absolute position of the current item.\n\t */\n\tOwl.prototype.current = function(position) {\n\t\tif (position === undefined) {\n\t\t\treturn this._current;\n\t\t}\n\n\t\tif (this._items.length === 0) {\n\t\t\treturn undefined;\n\t\t}\n\n\t\tposition = this.normalize(position);\n\n\t\tif (this._current !== position) {\n\t\t\tvar event = this.trigger('change', { property: { name: 'position', value: position } });\n\n\t\t\tif (event.data !== undefined) {\n\t\t\t\tposition = this.normalize(event.data);\n\t\t\t}\n\n\t\t\tthis._current = position;\n\n\t\t\tthis.invalidate('position');\n\n\t\t\tthis.trigger('changed', { property: { name: 'position', value: this._current } });\n\t\t}\n\n\t\treturn this._current;\n\t};\n\n\t/**\n\t * Invalidates the given part of the update routine.\n\t * @param {String} [part] - The part to invalidate.\n\t * @returns {Array.} - The invalidated parts.\n\t */\n\tOwl.prototype.invalidate = function(part) {\n\t\tif ($.type(part) === 'string') {\n\t\t\tthis._invalidated[part] = true;\n\t\t\tthis.is('valid') && this.leave('valid');\n\t\t}\n\t\treturn $.map(this._invalidated, function(v, i) { return i });\n\t};\n\n\t/**\n\t * Resets the absolute position of the current item.\n\t * @public\n\t * @param {Number} position - The absolute position of the new item.\n\t */\n\tOwl.prototype.reset = function(position) {\n\t\tposition = this.normalize(position);\n\n\t\tif (position === undefined) {\n\t\t\treturn;\n\t\t}\n\n\t\tthis._speed = 0;\n\t\tthis._current = position;\n\n\t\tthis.suppress([ 'translate', 'translated' ]);\n\n\t\tthis.animate(this.coordinates(position));\n\n\t\tthis.release([ 'translate', 'translated' ]);\n\t};\n\n\t/**\n\t * Normalizes an absolute or a relative position of an item.\n\t * @public\n\t * @param {Number} position - The absolute or relative position to normalize.\n\t * @param {Boolean} [relative=false] - Whether the given position is relative or not.\n\t * @returns {Number} - The normalized position.\n\t */\n\tOwl.prototype.normalize = function(position, relative) {\n\t\tvar n = this._items.length,\n\t\t\tm = relative ? 0 : this._clones.length;\n\n\t\tif (!this.isNumeric(position) || n < 1) {\n\t\t\tposition = undefined;\n\t\t} else if (position < 0 || position >= n + m) {\n\t\t\tposition = ((position - m / 2) % n + n) % n + m / 2;\n\t\t}\n\n\t\treturn position;\n\t};\n\n\t/**\n\t * Converts an absolute position of an item into a relative one.\n\t * @public\n\t * @param {Number} position - The absolute position to convert.\n\t * @returns {Number} - The converted position.\n\t */\n\tOwl.prototype.relative = function(position) {\n\t\tposition -= this._clones.length / 2;\n\t\treturn this.normalize(position, true);\n\t};\n\n\t/**\n\t * Gets the maximum position for the current item.\n\t * @public\n\t * @param {Boolean} [relative=false] - Whether to return an absolute position or a relative position.\n\t * @returns {Number}\n\t */\n\tOwl.prototype.maximum = function(relative) {\n\t\tvar settings = this.settings,\n\t\t\tmaximum = this._coordinates.length,\n\t\t\titerator,\n\t\t\treciprocalItemsWidth,\n\t\t\telementWidth;\n\n\t\tif (settings.loop) {\n\t\t\tmaximum = this._clones.length / 2 + this._items.length - 1;\n\t\t} else if (settings.autoWidth || settings.merge) {\n\t\t\titerator = this._items.length;\n\t\t\treciprocalItemsWidth = this._items[--iterator].width();\n\t\t\telementWidth = this.$element.width();\n\t\t\twhile (iterator--) {\n\t\t\t\treciprocalItemsWidth += this._items[iterator].width() + this.settings.margin;\n\t\t\t\tif (reciprocalItemsWidth > elementWidth) {\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\t\tmaximum = iterator + 1;\n\t\t} else if (settings.center) {\n\t\t\tmaximum = this._items.length - 1;\n\t\t} else {\n\t\t\tmaximum = this._items.length - settings.items;\n\t\t}\n\n\t\tif (relative) {\n\t\t\tmaximum -= this._clones.length / 2;\n\t\t}\n\n\t\treturn Math.max(maximum, 0);\n\t};\n\n\t/**\n\t * Gets the minimum position for the current item.\n\t * @public\n\t * @param {Boolean} [relative=false] - Whether to return an absolute position or a relative position.\n\t * @returns {Number}\n\t */\n\tOwl.prototype.minimum = function(relative) {\n\t\treturn relative ? 0 : this._clones.length / 2;\n\t};\n\n\t/**\n\t * Gets an item at the specified relative position.\n\t * @public\n\t * @param {Number} [position] - The relative position of the item.\n\t * @return {window.jQuery|Array.} - The item at the given position or all items if no position was given.\n\t */\n\tOwl.prototype.items = function(position) {\n\t\tif (position === undefined) {\n\t\t\treturn this._items.slice();\n\t\t}\n\n\t\tposition = this.normalize(position, true);\n\t\treturn this._items[position];\n\t};\n\n\t/**\n\t * Gets an item at the specified relative position.\n\t * @public\n\t * @param {Number} [position] - The relative position of the item.\n\t * @return {window.jQuery|Array.} - The item at the given position or all items if no position was given.\n\t */\n\tOwl.prototype.mergers = function(position) {\n\t\tif (position === undefined) {\n\t\t\treturn this._mergers.slice();\n\t\t}\n\n\t\tposition = this.normalize(position, true);\n\t\treturn this._mergers[position];\n\t};\n\n\t/**\n\t * Gets the absolute positions of clones for an item.\n\t * @public\n\t * @param {Number} [position] - The relative position of the item.\n\t * @returns {Array.} - The absolute positions of clones for the item or all if no position was given.\n\t */\n\tOwl.prototype.clones = function(position) {\n\t\tvar odd = this._clones.length / 2,\n\t\t\teven = odd + this._items.length,\n\t\t\tmap = function(index) { return index % 2 === 0 ? even + index / 2 : odd - (index + 1) / 2 };\n\n\t\tif (position === undefined) {\n\t\t\treturn $.map(this._clones, function(v, i) { return map(i) });\n\t\t}\n\n\t\treturn $.map(this._clones, function(v, i) { return v === position ? map(i) : null });\n\t};\n\n\t/**\n\t * Sets the current animation speed.\n\t * @public\n\t * @param {Number} [speed] - The animation speed in milliseconds or nothing to leave it unchanged.\n\t * @returns {Number} - The current animation speed in milliseconds.\n\t */\n\tOwl.prototype.speed = function(speed) {\n\t\tif (speed !== undefined) {\n\t\t\tthis._speed = speed;\n\t\t}\n\n\t\treturn this._speed;\n\t};\n\n\t/**\n\t * Gets the coordinate of an item.\n\t * @todo The name of this method is missleanding.\n\t * @public\n\t * @param {Number} position - The absolute position of the item within `minimum()` and `maximum()`.\n\t * @returns {Number|Array.} - The coordinate of the item in pixel or all coordinates.\n\t */\n\tOwl.prototype.coordinates = function(position) {\n\t\tvar multiplier = 1,\n\t\t\tnewPosition = position - 1,\n\t\t\tcoordinate;\n\n\t\tif (position === undefined) {\n\t\t\treturn $.map(this._coordinates, $.proxy(function(coordinate, index) {\n\t\t\t\treturn this.coordinates(index);\n\t\t\t}, this));\n\t\t}\n\n\t\tif (this.settings.center) {\n\t\t\tif (this.settings.rtl) {\n\t\t\t\tmultiplier = -1;\n\t\t\t\tnewPosition = position + 1;\n\t\t\t}\n\n\t\t\tcoordinate = this._coordinates[position];\n\t\t\tcoordinate += (this.width() - coordinate + (this._coordinates[newPosition] || 0)) / 2 * multiplier;\n\t\t} else {\n\t\t\tcoordinate = this._coordinates[newPosition] || 0;\n\t\t}\n\n\t\tcoordinate = Math.ceil(coordinate);\n\n\t\treturn coordinate;\n\t};\n\n\t/**\n\t * Calculates the speed for a translation.\n\t * @protected\n\t * @param {Number} from - The absolute position of the start item.\n\t * @param {Number} to - The absolute position of the target item.\n\t * @param {Number} [factor=undefined] - The time factor in milliseconds.\n\t * @returns {Number} - The time in milliseconds for the translation.\n\t */\n\tOwl.prototype.duration = function(from, to, factor) {\n\t\tif (factor === 0) {\n\t\t\treturn 0;\n\t\t}\n\n\t\treturn Math.min(Math.max(Math.abs(to - from), 1), 6) * Math.abs((factor || this.settings.smartSpeed));\n\t};\n\n\t/**\n\t * Slides to the specified item.\n\t * @public\n\t * @param {Number} position - The position of the item.\n\t * @param {Number} [speed] - The time in milliseconds for the transition.\n\t */\n\tOwl.prototype.to = function(position, speed) {\n\t\tvar current = this.current(),\n\t\t\trevert = null,\n\t\t\tdistance = position - this.relative(current),\n\t\t\tdirection = (distance > 0) - (distance < 0),\n\t\t\titems = this._items.length,\n\t\t\tminimum = this.minimum(),\n\t\t\tmaximum = this.maximum();\n\n\t\tif (this.settings.loop) {\n\t\t\tif (!this.settings.rewind && Math.abs(distance) > items / 2) {\n\t\t\t\tdistance += direction * -1 * items;\n\t\t\t}\n\n\t\t\tposition = current + distance;\n\t\t\trevert = ((position - minimum) % items + items) % items + minimum;\n\n\t\t\tif (revert !== position && revert - distance <= maximum && revert - distance > 0) {\n\t\t\t\tcurrent = revert - distance;\n\t\t\t\tposition = revert;\n\t\t\t\tthis.reset(current);\n\t\t\t}\n\t\t} else if (this.settings.rewind) {\n\t\t\tmaximum += 1;\n\t\t\tposition = (position % maximum + maximum) % maximum;\n\t\t} else {\n\t\t\tposition = Math.max(minimum, Math.min(maximum, position));\n\t\t}\n\n\t\tthis.speed(this.duration(current, position, speed));\n\t\tthis.current(position);\n\n\t\tif (this.$element.is(':visible')) {\n\t\t\tthis.update();\n\t\t}\n\t};\n\n\t/**\n\t * Slides to the next item.\n\t * @public\n\t * @param {Number} [speed] - The time in milliseconds for the transition.\n\t */\n\tOwl.prototype.next = function(speed) {\n\t\tspeed = speed || false;\n\t\tthis.to(this.relative(this.current()) + 1, speed);\n\t};\n\n\t/**\n\t * Slides to the previous item.\n\t * @public\n\t * @param {Number} [speed] - The time in milliseconds for the transition.\n\t */\n\tOwl.prototype.prev = function(speed) {\n\t\tspeed = speed || false;\n\t\tthis.to(this.relative(this.current()) - 1, speed);\n\t};\n\n\t/**\n\t * Handles the end of an animation.\n\t * @protected\n\t * @param {Event} event - The event arguments.\n\t */\n\tOwl.prototype.onTransitionEnd = function(event) {\n\n\t\t// if css2 animation then event object is undefined\n\t\tif (event !== undefined) {\n\t\t\tevent.stopPropagation();\n\n\t\t\t// Catch only owl-stage transitionEnd event\n\t\t\tif ((event.target || event.srcElement || event.originalTarget) !== this.$stage.get(0)) {\n\t\t\t\treturn false;\n\t\t\t}\n\t\t}\n\n\t\tthis.leave('animating');\n\t\tthis.trigger('translated');\n\t};\n\n\t/**\n\t * Gets viewport width.\n\t * @protected\n\t * @return {Number} - The width in pixel.\n\t */\n\tOwl.prototype.viewport = function() {\n\t\tvar width;\n\t\tif (this.options.responsiveBaseElement !== window) {\n\t\t\twidth = $(this.options.responsiveBaseElement).width();\n\t\t} else if (window.innerWidth) {\n\t\t\twidth = window.innerWidth;\n\t\t} else if (document.documentElement && document.documentElement.clientWidth) {\n\t\t\twidth = document.documentElement.clientWidth;\n\t\t} else {\n\t\t\tconsole.warn('Can not detect viewport width.');\n\t\t}\n\t\treturn width;\n\t};\n\n\t/**\n\t * Replaces the current content.\n\t * @public\n\t * @param {HTMLElement|window.jQuery|String} content - The new content.\n\t */\n\tOwl.prototype.replace = function(content) {\n\t\tthis.$stage.empty();\n\t\tthis._items = [];\n\n\t\tif (content) {\n\t\t\tcontent = (content instanceof window.jQuery) ? content : $(content);\n\t\t}\n\n\t\tif (this.settings.nestedItemSelector) {\n\t\t\tcontent = content.find('.' + this.settings.nestedItemSelector);\n\t\t}\n\n\t\tcontent.filter(function() {\n\t\t\treturn this.nodeType === 1;\n\t\t}).each($.proxy(function(index, item) {\n\t\t\titem = this.prepare(item);\n\t\t\tthis.$stage.append(item);\n\t\t\tthis._items.push(item);\n\t\t\tthis._mergers.push(item.find('[data-merge]').addBack('[data-merge]').attr('data-merge') * 1 || 1);\n\t\t}, this));\n\n\t\tthis.reset(this.isNumeric(this.settings.startPosition) ? this.settings.startPosition : 0);\n\n\t\tthis.invalidate('items');\n\t};\n\n\t/**\n\t * Adds an item.\n\t * @todo Use `item` instead of `content` for the event arguments.\n\t * @public\n\t * @param {HTMLElement|window.jQuery|String} content - The item content to add.\n\t * @param {Number} [position] - The relative position at which to insert the item otherwise the item will be added to the end.\n\t */\n\tOwl.prototype.add = function(content, position) {\n\t\tvar current = this.relative(this._current);\n\n\t\tposition = position === undefined ? this._items.length : this.normalize(position, true);\n\t\tcontent = content instanceof window.jQuery ? content : $(content);\n\n\t\tthis.trigger('add', { content: content, position: position });\n\n\t\tcontent = this.prepare(content);\n\n\t\tif (this._items.length === 0 || position === this._items.length) {\n\t\t\tthis._items.length === 0 && this.$stage.append(content);\n\t\t\tthis._items.length !== 0 && this._items[position - 1].after(content);\n\t\t\tthis._items.push(content);\n\t\t\tthis._mergers.push(content.find('[data-merge]').addBack('[data-merge]').attr('data-merge') * 1 || 1);\n\t\t} else {\n\t\t\tthis._items[position].before(content);\n\t\t\tthis._items.splice(position, 0, content);\n\t\t\tthis._mergers.splice(position, 0, content.find('[data-merge]').addBack('[data-merge]').attr('data-merge') * 1 || 1);\n\t\t}\n\n\t\tthis._items[current] && this.reset(this._items[current].index());\n\n\t\tthis.invalidate('items');\n\n\t\tthis.trigger('added', { content: content, position: position });\n\t};\n\n\t/**\n\t * Removes an item by its position.\n\t * @todo Use `item` instead of `content` for the event arguments.\n\t * @public\n\t * @param {Number} position - The relative position of the item to remove.\n\t */\n\tOwl.prototype.remove = function(position) {\n\t\tposition = this.normalize(position, true);\n\n\t\tif (position === undefined) {\n\t\t\treturn;\n\t\t}\n\n\t\tthis.trigger('remove', { content: this._items[position], position: position });\n\n\t\tthis._items[position].remove();\n\t\tthis._items.splice(position, 1);\n\t\tthis._mergers.splice(position, 1);\n\n\t\tthis.invalidate('items');\n\n\t\tthis.trigger('removed', { content: null, position: position });\n\t};\n\n\t/**\n\t * Preloads images with auto width.\n\t * @todo Replace by a more generic approach\n\t * @protected\n\t */\n\tOwl.prototype.preloadAutoWidthImages = function(images) {\n\t\timages.each($.proxy(function(i, element) {\n\t\t\tthis.enter('pre-loading');\n\t\t\telement = $(element);\n\t\t\t$(new Image()).one('load', $.proxy(function(e) {\n\t\t\t\telement.attr('src', e.target.src);\n\t\t\t\telement.css('opacity', 1);\n\t\t\t\tthis.leave('pre-loading');\n\t\t\t\t!this.is('pre-loading') && !this.is('initializing') && this.refresh();\n\t\t\t}, this)).attr('src', element.attr('src') || element.attr('data-src') || element.attr('data-src-retina'));\n\t\t}, this));\n\t};\n\n\t/**\n\t * Destroys the carousel.\n\t * @public\n\t */\n\tOwl.prototype.destroy = function() {\n\n\t\tthis.$element.off('.owl.core');\n\t\tthis.$stage.off('.owl.core');\n\t\t$(document).off('.owl.core');\n\n\t\tif (this.settings.responsive !== false) {\n\t\t\twindow.clearTimeout(this.resizeTimer);\n\t\t\tthis.off(window, 'resize', this._handlers.onThrottledResize);\n\t\t}\n\n\t\tfor (var i in this._plugins) {\n\t\t\tthis._plugins[i].destroy();\n\t\t}\n\n\t\tthis.$stage.children('.cloned').remove();\n\n\t\tthis.$stage.unwrap();\n\t\tthis.$stage.children().contents().unwrap();\n\t\tthis.$stage.children().unwrap();\n\n\t\tthis.$element\n\t\t\t.removeClass(this.options.refreshClass)\n\t\t\t.removeClass(this.options.loadingClass)\n\t\t\t.removeClass(this.options.loadedClass)\n\t\t\t.removeClass(this.options.rtlClass)\n\t\t\t.removeClass(this.options.dragClass)\n\t\t\t.removeClass(this.options.grabClass)\n\t\t\t.attr('class', this.$element.attr('class').replace(new RegExp(this.options.responsiveClass + '-\\\\S+\\\\s', 'g'), ''))\n\t\t\t.removeData('owl.carousel');\n\t};\n\n\t/**\n\t * Operators to calculate right-to-left and left-to-right.\n\t * @protected\n\t * @param {Number} [a] - The left side operand.\n\t * @param {String} [o] - The operator.\n\t * @param {Number} [b] - The right side operand.\n\t */\n\tOwl.prototype.op = function(a, o, b) {\n\t\tvar rtl = this.settings.rtl;\n\t\tswitch (o) {\n\t\t\tcase '<':\n\t\t\t\treturn rtl ? a > b : a < b;\n\t\t\tcase '>':\n\t\t\t\treturn rtl ? a < b : a > b;\n\t\t\tcase '>=':\n\t\t\t\treturn rtl ? a <= b : a >= b;\n\t\t\tcase '<=':\n\t\t\t\treturn rtl ? a >= b : a <= b;\n\t\t\tdefault:\n\t\t\t\tbreak;\n\t\t}\n\t};\n\n\t/**\n\t * Attaches to an internal event.\n\t * @protected\n\t * @param {HTMLElement} element - The event source.\n\t * @param {String} event - The event name.\n\t * @param {Function} listener - The event handler to attach.\n\t * @param {Boolean} capture - Wether the event should be handled at the capturing phase or not.\n\t */\n\tOwl.prototype.on = function(element, event, listener, capture) {\n\t\tif (element.addEventListener) {\n\t\t\telement.addEventListener(event, listener, capture);\n\t\t} else if (element.attachEvent) {\n\t\t\telement.attachEvent('on' + event, listener);\n\t\t}\n\t};\n\n\t/**\n\t * Detaches from an internal event.\n\t * @protected\n\t * @param {HTMLElement} element - The event source.\n\t * @param {String} event - The event name.\n\t * @param {Function} listener - The attached event handler to detach.\n\t * @param {Boolean} capture - Wether the attached event handler was registered as a capturing listener or not.\n\t */\n\tOwl.prototype.off = function(element, event, listener, capture) {\n\t\tif (element.removeEventListener) {\n\t\t\telement.removeEventListener(event, listener, capture);\n\t\t} else if (element.detachEvent) {\n\t\t\telement.detachEvent('on' + event, listener);\n\t\t}\n\t};\n\n\t/**\n\t * Triggers a public event.\n\t * @todo Remove `status`, `relatedTarget` should be used instead.\n\t * @protected\n\t * @param {String} name - The event name.\n\t * @param {*} [data=null] - The event data.\n\t * @param {String} [namespace=carousel] - The event namespace.\n\t * @param {String} [state] - The state which is associated with the event.\n\t * @param {Boolean} [enter=false] - Indicates if the call enters the specified state or not.\n\t * @returns {Event} - The event arguments.\n\t */\n\tOwl.prototype.trigger = function(name, data, namespace, state, enter) {\n\t\tvar status = {\n\t\t\titem: { count: this._items.length, index: this.current() }\n\t\t}, handler = $.camelCase(\n\t\t\t$.grep([ 'on', name, namespace ], function(v) { return v })\n\t\t\t\t.join('-').toLowerCase()\n\t\t), event = $.Event(\n\t\t\t[ name, 'owl', namespace || 'carousel' ].join('.').toLowerCase(),\n\t\t\t$.extend({ relatedTarget: this }, status, data)\n\t\t);\n\n\t\tif (!this._supress[name]) {\n\t\t\t$.each(this._plugins, function(name, plugin) {\n\t\t\t\tif (plugin.onTrigger) {\n\t\t\t\t\tplugin.onTrigger(event);\n\t\t\t\t}\n\t\t\t});\n\n\t\t\tthis.register({ type: Owl.Type.Event, name: name });\n\t\t\tthis.$element.trigger(event);\n\n\t\t\tif (this.settings && typeof this.settings[handler] === 'function') {\n\t\t\t\tthis.settings[handler].call(this, event);\n\t\t\t}\n\t\t}\n\n\t\treturn event;\n\t};\n\n\t/**\n\t * Enters a state.\n\t * @param name - The state name.\n\t */\n\tOwl.prototype.enter = function(name) {\n\t\t$.each([ name ].concat(this._states.tags[name] || []), $.proxy(function(i, name) {\n\t\t\tif (this._states.current[name] === undefined) {\n\t\t\t\tthis._states.current[name] = 0;\n\t\t\t}\n\n\t\t\tthis._states.current[name]++;\n\t\t}, this));\n\t};\n\n\t/**\n\t * Leaves a state.\n\t * @param name - The state name.\n\t */\n\tOwl.prototype.leave = function(name) {\n\t\t$.each([ name ].concat(this._states.tags[name] || []), $.proxy(function(i, name) {\n\t\t\tthis._states.current[name]--;\n\t\t}, this));\n\t};\n\n\t/**\n\t * Registers an event or state.\n\t * @public\n\t * @param {Object} object - The event or state to register.\n\t */\n\tOwl.prototype.register = function(object) {\n\t\tif (object.type === Owl.Type.Event) {\n\t\t\tif (!$.event.special[object.name]) {\n\t\t\t\t$.event.special[object.name] = {};\n\t\t\t}\n\n\t\t\tif (!$.event.special[object.name].owl) {\n\t\t\t\tvar _default = $.event.special[object.name]._default;\n\t\t\t\t$.event.special[object.name]._default = function(e) {\n\t\t\t\t\tif (_default && _default.apply && (!e.namespace || e.namespace.indexOf('owl') === -1)) {\n\t\t\t\t\t\treturn _default.apply(this, arguments);\n\t\t\t\t\t}\n\t\t\t\t\treturn e.namespace && e.namespace.indexOf('owl') > -1;\n\t\t\t\t};\n\t\t\t\t$.event.special[object.name].owl = true;\n\t\t\t}\n\t\t} else if (object.type === Owl.Type.State) {\n\t\t\tif (!this._states.tags[object.name]) {\n\t\t\t\tthis._states.tags[object.name] = object.tags;\n\t\t\t} else {\n\t\t\t\tthis._states.tags[object.name] = this._states.tags[object.name].concat(object.tags);\n\t\t\t}\n\n\t\t\tthis._states.tags[object.name] = $.grep(this._states.tags[object.name], $.proxy(function(tag, i) {\n\t\t\t\treturn $.inArray(tag, this._states.tags[object.name]) === i;\n\t\t\t}, this));\n\t\t}\n\t};\n\n\t/**\n\t * Suppresses events.\n\t * @protected\n\t * @param {Array.} events - The events to suppress.\n\t */\n\tOwl.prototype.suppress = function(events) {\n\t\t$.each(events, $.proxy(function(index, event) {\n\t\t\tthis._supress[event] = true;\n\t\t}, this));\n\t};\n\n\t/**\n\t * Releases suppressed events.\n\t * @protected\n\t * @param {Array.} events - The events to release.\n\t */\n\tOwl.prototype.release = function(events) {\n\t\t$.each(events, $.proxy(function(index, event) {\n\t\t\tdelete this._supress[event];\n\t\t}, this));\n\t};\n\n\t/**\n\t * Gets unified pointer coordinates from event.\n\t * @todo #261\n\t * @protected\n\t * @param {Event} - The `mousedown` or `touchstart` event.\n\t * @returns {Object} - Contains `x` and `y` coordinates of current pointer position.\n\t */\n\tOwl.prototype.pointer = function(event) {\n\t\tvar result = { x: null, y: null };\n\n\t\tevent = event.originalEvent || event || window.event;\n\n\t\tevent = event.touches && event.touches.length ?\n\t\t\tevent.touches[0] : event.changedTouches && event.changedTouches.length ?\n\t\t\t\tevent.changedTouches[0] : event;\n\n\t\tif (event.pageX) {\n\t\t\tresult.x = event.pageX;\n\t\t\tresult.y = event.pageY;\n\t\t} else {\n\t\t\tresult.x = event.clientX;\n\t\t\tresult.y = event.clientY;\n\t\t}\n\n\t\treturn result;\n\t};\n\n\t/**\n\t * Determines if the input is a Number or something that can be coerced to a Number\n\t * @protected\n\t * @param {Number|String|Object|Array|Boolean|RegExp|Function|Symbol} - The input to be tested\n\t * @returns {Boolean} - An indication if the input is a Number or can be coerced to a Number\n\t */\n\tOwl.prototype.isNumeric = function(number) {\n\t\treturn !isNaN(parseFloat(number));\n\t};\n\n\t/**\n\t * Gets the difference of two vectors.\n\t * @todo #261\n\t * @protected\n\t * @param {Object} - The first vector.\n\t * @param {Object} - The second vector.\n\t * @returns {Object} - The difference.\n\t */\n\tOwl.prototype.difference = function(first, second) {\n\t\treturn {\n\t\t\tx: first.x - second.x,\n\t\t\ty: first.y - second.y\n\t\t};\n\t};\n\n\t/**\n\t * The window.jQuery Plugin for the Owl Carousel\n\t * @todo Navigation plugin `next` and `prev`\n\t * @public\n\t */\n\t$.fn.owlCarousel = function(option) {\n\t\tvar args = Array.prototype.slice.call(arguments, 1);\n\n\t\treturn this.each(function() {\n\t\t\tvar $this = $(this),\n\t\t\t\tdata = $this.data('owl.carousel');\n\n\t\t\tif (!data) {\n\t\t\t\tdata = new Owl(this, typeof option == 'object' && option);\n\t\t\t\t$this.data('owl.carousel', data);\n\n\t\t\t\t$.each([\n\t\t\t\t\t'next', 'prev', 'to', 'destroy', 'refresh', 'replace', 'add', 'remove'\n\t\t\t\t], function(i, event) {\n\t\t\t\t\tdata.register({ type: Owl.Type.Event, name: event });\n\t\t\t\t\tdata.$element.on(event + '.owl.carousel.core', $.proxy(function(e) {\n\t\t\t\t\t\tif (e.namespace && e.relatedTarget !== this) {\n\t\t\t\t\t\t\tthis.suppress([ event ]);\n\t\t\t\t\t\t\tdata[event].apply(this, [].slice.call(arguments, 1));\n\t\t\t\t\t\t\tthis.release([ event ]);\n\t\t\t\t\t\t}\n\t\t\t\t\t}, data));\n\t\t\t\t});\n\t\t\t}\n\n\t\t\tif (typeof option == 'string' && option.charAt(0) !== '_') {\n\t\t\t\tdata[option].apply(data, args);\n\t\t\t}\n\t\t});\n\t};\n\n\t/**\n\t * The constructor for the window.jQuery Plugin\n\t * @public\n\t */\n\t$.fn.owlCarousel.Constructor = Owl;\n\n})(window.Zepto || window.window.jQuery, window, document);\n\n/**\n * AutoRefresh Plugin\n * @version 2.1.0\n * @author Artus Kolanowski\n * @author David Deutsch\n * @license The MIT License (MIT)\n */\n;(function($, window, document, undefined) {\n\n\t/**\n\t * Creates the auto refresh plugin.\n\t * @class The Auto Refresh Plugin\n\t * @param {Owl} carousel - The Owl Carousel\n\t */\n\tvar AutoRefresh = function(carousel) {\n\t\t/**\n\t\t * Reference to the core.\n\t\t * @protected\n\t\t * @type {Owl}\n\t\t */\n\t\tthis._core = carousel;\n\n\t\t/**\n\t\t * Refresh interval.\n\t\t * @protected\n\t\t * @type {number}\n\t\t */\n\t\tthis._interval = null;\n\n\t\t/**\n\t\t * Whether the element is currently visible or not.\n\t\t * @protected\n\t\t * @type {Boolean}\n\t\t */\n\t\tthis._visible = null;\n\n\t\t/**\n\t\t * All event handlers.\n\t\t * @protected\n\t\t * @type {Object}\n\t\t */\n\t\tthis._handlers = {\n\t\t\t'initialized.owl.carousel': $.proxy(function(e) {\n\t\t\t\tif (e.namespace && this._core.settings.autoRefresh) {\n\t\t\t\t\tthis.watch();\n\t\t\t\t}\n\t\t\t}, this)\n\t\t};\n\n\t\t// set default options\n\t\tthis._core.options = $.extend({}, AutoRefresh.Defaults, this._core.options);\n\n\t\t// register event handlers\n\t\tthis._core.$element.on(this._handlers);\n\t};\n\n\t/**\n\t * Default options.\n\t * @public\n\t */\n\tAutoRefresh.Defaults = {\n\t\tautoRefresh: true,\n\t\tautoRefreshInterval: 500\n\t};\n\n\t/**\n\t * Watches the element.\n\t */\n\tAutoRefresh.prototype.watch = function() {\n\t\tif (this._interval) {\n\t\t\treturn;\n\t\t}\n\n\t\tthis._visible = this._core.$element.is(':visible');\n\t\tthis._interval = window.setInterval($.proxy(this.refresh, this), this._core.settings.autoRefreshInterval);\n\t};\n\n\t/**\n\t * Refreshes the element.\n\t */\n\tAutoRefresh.prototype.refresh = function() {\n\t\tif (this._core.$element.is(':visible') === this._visible) {\n\t\t\treturn;\n\t\t}\n\n\t\tthis._visible = !this._visible;\n\n\t\tthis._core.$element.toggleClass('owl-hidden', !this._visible);\n\n\t\tthis._visible && (this._core.invalidate('width') && this._core.refresh());\n\t};\n\n\t/**\n\t * Destroys the plugin.\n\t */\n\tAutoRefresh.prototype.destroy = function() {\n\t\tvar handler, property;\n\n\t\twindow.clearInterval(this._interval);\n\n\t\tfor (handler in this._handlers) {\n\t\t\tthis._core.$element.off(handler, this._handlers[handler]);\n\t\t}\n\t\tfor (property in Object.getOwnPropertyNames(this)) {\n\t\t\ttypeof this[property] != 'function' && (this[property] = null);\n\t\t}\n\t};\n\n\t$.fn.owlCarousel.Constructor.Plugins.AutoRefresh = AutoRefresh;\n\n})(window.Zepto || window.window.jQuery, window, document);\n\n/**\n * Lazy Plugin\n * @version 2.1.0\n * @author Bartosz Wojciechowski\n * @author David Deutsch\n * @license The MIT License (MIT)\n */\n;(function($, window, document, undefined) {\n\n\t/**\n\t * Creates the lazy plugin.\n\t * @class The Lazy Plugin\n\t * @param {Owl} carousel - The Owl Carousel\n\t */\n\tvar Lazy = function(carousel) {\n\n\t\t/**\n\t\t * Reference to the core.\n\t\t * @protected\n\t\t * @type {Owl}\n\t\t */\n\t\tthis._core = carousel;\n\n\t\t/**\n\t\t * Already loaded items.\n\t\t * @protected\n\t\t * @type {Array.}\n\t\t */\n\t\tthis._loaded = [];\n\n\t\t/**\n\t\t * Event handlers.\n\t\t * @protected\n\t\t * @type {Object}\n\t\t */\n\t\tthis._handlers = {\n\t\t\t'initialized.owl.carousel change.owl.carousel resized.owl.carousel': $.proxy(function(e) {\n\t\t\t\tif (!e.namespace) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\tif (!this._core.settings || !this._core.settings.lazyLoad) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\tif ((e.property && e.property.name == 'position') || e.type == 'initialized') {\n\t\t\t\t\tvar settings = this._core.settings,\n\t\t\t\t\t\tn = (settings.center && Math.ceil(settings.items / 2) || settings.items),\n\t\t\t\t\t\ti = ((settings.center && n * -1) || 0),\n\t\t\t\t\t\tposition = (e.property && e.property.value !== undefined ? e.property.value : this._core.current()) + i,\n\t\t\t\t\t\tclones = this._core.clones().length,\n\t\t\t\t\t\tload = $.proxy(function(i, v) { this.load(v) }, this);\n\n\t\t\t\t\twhile (i++ < n) {\n\t\t\t\t\t\tthis.load(clones / 2 + this._core.relative(position));\n\t\t\t\t\t\tclones && $.each(this._core.clones(this._core.relative(position)), load);\n\t\t\t\t\t\tposition++;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}, this)\n\t\t};\n\n\t\t// set the default options\n\t\tthis._core.options = $.extend({}, Lazy.Defaults, this._core.options);\n\n\t\t// register event handler\n\t\tthis._core.$element.on(this._handlers);\n\t};\n\n\t/**\n\t * Default options.\n\t * @public\n\t */\n\tLazy.Defaults = {\n\t\tlazyLoad: false\n\t};\n\n\t/**\n\t * Loads all resources of an item at the specified position.\n\t * @param {Number} position - The absolute position of the item.\n\t * @protected\n\t */\n\tLazy.prototype.load = function(position) {\n\t\tvar $item = this._core.$stage.children().eq(position),\n\t\t\t$elements = $item && $item.find('.owl-lazy');\n\n\t\tif (!$elements || $.inArray($item.get(0), this._loaded) > -1) {\n\t\t\treturn;\n\t\t}\n\n\t\t$elements.each($.proxy(function(index, element) {\n\t\t\tvar $element = $(element), image,\n\t\t\t\turl = (window.devicePixelRatio > 1 && $element.attr('data-src-retina')) || $element.attr('data-src');\n\n\t\t\tthis._core.trigger('load', { element: $element, url: url }, 'lazy');\n\n\t\t\tif ($element.is('img')) {\n\t\t\t\t$element.one('load.owl.lazy', $.proxy(function() {\n\t\t\t\t\t$element.css('opacity', 1);\n\t\t\t\t\tthis._core.trigger('loaded', { element: $element, url: url }, 'lazy');\n\t\t\t\t}, this)).attr('src', url);\n\t\t\t} else {\n\t\t\t\timage = new Image();\n\t\t\t\timage.onload = $.proxy(function() {\n\t\t\t\t\t$element.css({\n\t\t\t\t\t\t'background-image': 'url(\"' + url + '\")',\n\t\t\t\t\t\t'opacity': '1'\n\t\t\t\t\t});\n\t\t\t\t\tthis._core.trigger('loaded', { element: $element, url: url }, 'lazy');\n\t\t\t\t}, this);\n\t\t\t\timage.src = url;\n\t\t\t}\n\t\t}, this));\n\n\t\tthis._loaded.push($item.get(0));\n\t};\n\n\t/**\n\t * Destroys the plugin.\n\t * @public\n\t */\n\tLazy.prototype.destroy = function() {\n\t\tvar handler, property;\n\n\t\tfor (handler in this.handlers) {\n\t\t\tthis._core.$element.off(handler, this.handlers[handler]);\n\t\t}\n\t\tfor (property in Object.getOwnPropertyNames(this)) {\n\t\t\ttypeof this[property] != 'function' && (this[property] = null);\n\t\t}\n\t};\n\n\t$.fn.owlCarousel.Constructor.Plugins.Lazy = Lazy;\n\n})(window.Zepto || window.window.jQuery, window, document);\n\n/**\n * AutoHeight Plugin\n * @version 2.1.0\n * @author Bartosz Wojciechowski\n * @author David Deutsch\n * @license The MIT License (MIT)\n */\n;(function($, window, document, undefined) {\n\n\t/**\n\t * Creates the auto height plugin.\n\t * @class The Auto Height Plugin\n\t * @param {Owl} carousel - The Owl Carousel\n\t */\n\tvar AutoHeight = function(carousel) {\n\t\t/**\n\t\t * Reference to the core.\n\t\t * @protected\n\t\t * @type {Owl}\n\t\t */\n\t\tthis._core = carousel;\n\n\t\t/**\n\t\t * All event handlers.\n\t\t * @protected\n\t\t * @type {Object}\n\t\t */\n\t\tthis._handlers = {\n\t\t\t'initialized.owl.carousel refreshed.owl.carousel': $.proxy(function(e) {\n\t\t\t\tif (e.namespace && this._core.settings.autoHeight) {\n\t\t\t\t\tthis.update();\n\t\t\t\t}\n\t\t\t}, this),\n\t\t\t'changed.owl.carousel': $.proxy(function(e) {\n\t\t\t\tif (e.namespace && this._core.settings.autoHeight && e.property.name == 'position'){\n\t\t\t\t\tthis.update();\n\t\t\t\t}\n\t\t\t}, this),\n\t\t\t'loaded.owl.lazy': $.proxy(function(e) {\n\t\t\t\tif (e.namespace && this._core.settings.autoHeight\n\t\t\t\t\t&& e.element.closest('.' + this._core.settings.itemClass).index() === this._core.current()) {\n\t\t\t\t\tthis.update();\n\t\t\t\t}\n\t\t\t}, this)\n\t\t};\n\n\t\t// set default options\n\t\tthis._core.options = $.extend({}, AutoHeight.Defaults, this._core.options);\n\n\t\t// register event handlers\n\t\tthis._core.$element.on(this._handlers);\n\t};\n\n\t/**\n\t * Default options.\n\t * @public\n\t */\n\tAutoHeight.Defaults = {\n\t\tautoHeight: false,\n\t\tautoHeightClass: 'owl-height'\n\t};\n\n\t/**\n\t * Updates the view.\n\t */\n\tAutoHeight.prototype.update = function() {\n\t\tvar start = this._core._current,\n\t\t\tend = start + this._core.settings.items,\n\t\t\tvisible = this._core.$stage.children().toArray().slice(start, end),\n\t\t\theights = [],\n\t\t\tmaxheight = 0;\n\n\t\t$.each(visible, function(index, item) {\n\t\t\theights.push($(item).height());\n\t\t});\n\n\t\tmaxheight = Math.max.apply(null, heights);\n\n\t\tthis._core.$stage.parent()\n\t\t\t.height(maxheight)\n\t\t\t.addClass(this._core.settings.autoHeightClass);\n\t};\n\n\tAutoHeight.prototype.destroy = function() {\n\t\tvar handler, property;\n\n\t\tfor (handler in this._handlers) {\n\t\t\tthis._core.$element.off(handler, this._handlers[handler]);\n\t\t}\n\t\tfor (property in Object.getOwnPropertyNames(this)) {\n\t\t\ttypeof this[property] != 'function' && (this[property] = null);\n\t\t}\n\t};\n\n\t$.fn.owlCarousel.Constructor.Plugins.AutoHeight = AutoHeight;\n\n})(window.Zepto || window.window.jQuery, window, document);\n\n/**\n * Video Plugin\n * @version 2.1.0\n * @author Bartosz Wojciechowski\n * @author David Deutsch\n * @license The MIT License (MIT)\n */\n;(function($, window, document, undefined) {\n\n\t/**\n\t * Creates the video plugin.\n\t * @class The Video Plugin\n\t * @param {Owl} carousel - The Owl Carousel\n\t */\n\tvar Video = function(carousel) {\n\t\t/**\n\t\t * Reference to the core.\n\t\t * @protected\n\t\t * @type {Owl}\n\t\t */\n\t\tthis._core = carousel;\n\n\t\t/**\n\t\t * Cache all video URLs.\n\t\t * @protected\n\t\t * @type {Object}\n\t\t */\n\t\tthis._videos = {};\n\n\t\t/**\n\t\t * Current playing item.\n\t\t * @protected\n\t\t * @type {window.jQuery}\n\t\t */\n\t\tthis._playing = null;\n\n\t\t/**\n\t\t * All event handlers.\n\t\t * @todo The cloned content removale is too late\n\t\t * @protected\n\t\t * @type {Object}\n\t\t */\n\t\tthis._handlers = {\n\t\t\t'initialized.owl.carousel': $.proxy(function(e) {\n\t\t\t\tif (e.namespace) {\n\t\t\t\t\tthis._core.register({ type: 'state', name: 'playing', tags: [ 'interacting' ] });\n\t\t\t\t}\n\t\t\t}, this),\n\t\t\t'resize.owl.carousel': $.proxy(function(e) {\n\t\t\t\tif (e.namespace && this._core.settings.video && this.isInFullScreen()) {\n\t\t\t\t\te.preventDefault();\n\t\t\t\t}\n\t\t\t}, this),\n\t\t\t'refreshed.owl.carousel': $.proxy(function(e) {\n\t\t\t\tif (e.namespace && this._core.is('resizing')) {\n\t\t\t\t\tthis._core.$stage.find('.cloned .owl-video-frame').remove();\n\t\t\t\t}\n\t\t\t}, this),\n\t\t\t'changed.owl.carousel': $.proxy(function(e) {\n\t\t\t\tif (e.namespace && e.property.name === 'position' && this._playing) {\n\t\t\t\t\tthis.stop();\n\t\t\t\t}\n\t\t\t}, this),\n\t\t\t'prepared.owl.carousel': $.proxy(function(e) {\n\t\t\t\tif (!e.namespace) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\tvar $element = $(e.content).find('.owl-video');\n\n\t\t\t\tif ($element.length) {\n\t\t\t\t\t$element.css('display', 'none');\n\t\t\t\t\tthis.fetch($element, $(e.content));\n\t\t\t\t}\n\t\t\t}, this)\n\t\t};\n\n\t\t// set default options\n\t\tthis._core.options = $.extend({}, Video.Defaults, this._core.options);\n\n\t\t// register event handlers\n\t\tthis._core.$element.on(this._handlers);\n\n\t\tthis._core.$element.on('click.owl.video', '.owl-video-play-icon', $.proxy(function(e) {\n\t\t\tthis.play(e);\n\t\t}, this));\n\t};\n\n\t/**\n\t * Default options.\n\t * @public\n\t */\n\tVideo.Defaults = {\n\t\tvideo: false,\n\t\tvideoHeight: false,\n\t\tvideoWidth: false\n\t};\n\n\t/**\n\t * Gets the video ID and the type (YouTube/Vimeo/vzaar only).\n\t * @protected\n\t * @param {window.jQuery} target - The target containing the video data.\n\t * @param {window.jQuery} item - The item containing the video.\n\t */\n\tVideo.prototype.fetch = function(target, item) {\n\t\t\tvar type = (function() {\n\t\t\t\t\tif (target.attr('data-vimeo-id')) {\n\t\t\t\t\t\treturn 'vimeo';\n\t\t\t\t\t} else if (target.attr('data-vzaar-id')) {\n\t\t\t\t\t\treturn 'vzaar'\n\t\t\t\t\t} else {\n\t\t\t\t\t\treturn 'youtube';\n\t\t\t\t\t}\n\t\t\t\t})(),\n\t\t\t\tid = target.attr('data-vimeo-id') || target.attr('data-youtube-id') || target.attr('data-vzaar-id'),\n\t\t\t\twidth = target.attr('data-width') || this._core.settings.videoWidth,\n\t\t\t\theight = target.attr('data-height') || this._core.settings.videoHeight,\n\t\t\t\turl = target.attr('href');\n\n\t\tif (url) {\n\n\t\t\t/*\n\t\t\t\t\tParses the id's out of the following urls (and probably more):\n\t\t\t\t\thttps://www.youtube.com/watch?v=:id\n\t\t\t\t\thttps://youtu.be/:id\n\t\t\t\t\thttps://vimeo.com/:id\n\t\t\t\t\thttps://vimeo.com/channels/:channel/:id\n\t\t\t\t\thttps://vimeo.com/groups/:group/videos/:id\n\t\t\t\t\thttps://app.vzaar.com/videos/:id\n\n\t\t\t\t\tVisual example: https://regexper.com/#(http%3A%7Chttps%3A%7C)%5C%2F%5C%2F(player.%7Cwww.%7Capp.)%3F(vimeo%5C.com%7Cyoutu(be%5C.com%7C%5C.be%7Cbe%5C.googleapis%5C.com)%7Cvzaar%5C.com)%5C%2F(video%5C%2F%7Cvideos%5C%2F%7Cembed%5C%2F%7Cchannels%5C%2F.%2B%5C%2F%7Cgroups%5C%2F.%2B%5C%2F%7Cwatch%5C%3Fv%3D%7Cv%5C%2F)%3F(%5BA-Za-z0-9._%25-%5D*)(%5C%26%5CS%2B)%3F\n\t\t\t*/\n\n\t\t\tid = url.match(/(http:|https:|)\\/\\/(player.|www.|app.)?(vimeo\\.com|youtu(be\\.com|\\.be|be\\.googleapis\\.com)|vzaar\\.com)\\/(video\\/|videos\\/|embed\\/|channels\\/.+\\/|groups\\/.+\\/|watch\\?v=|v\\/)?([A-Za-z0-9._%-]*)(\\&\\S+)?/);\n\n\t\t\tif (id[3].indexOf('youtu') > -1) {\n\t\t\t\ttype = 'youtube';\n\t\t\t} else if (id[3].indexOf('vimeo') > -1) {\n\t\t\t\ttype = 'vimeo';\n\t\t\t} else if (id[3].indexOf('vzaar') > -1) {\n\t\t\t\ttype = 'vzaar';\n\t\t\t} else {\n\t\t\t\tthrow new Error('Video URL not supported.');\n\t\t\t}\n\t\t\tid = id[6];\n\t\t} else {\n\t\t\tthrow new Error('Missing video URL.');\n\t\t}\n\n\t\tthis._videos[url] = {\n\t\t\ttype: type,\n\t\t\tid: id,\n\t\t\twidth: width,\n\t\t\theight: height\n\t\t};\n\n\t\titem.attr('data-video', url);\n\n\t\tthis.thumbnail(target, this._videos[url]);\n\t};\n\n\t/**\n\t * Creates video thumbnail.\n\t * @protected\n\t * @param {window.jQuery} target - The target containing the video data.\n\t * @param {Object} info - The video info object.\n\t * @see `fetch`\n\t */\n\tVideo.prototype.thumbnail = function(target, video) {\n\t\tvar tnLink,\n\t\t\ticon,\n\t\t\tpath,\n\t\t\tdimensions = video.width && video.height ? 'style=\"width:' + video.width + 'px;height:' + video.height + 'px;\"' : '',\n\t\t\tcustomTn = target.find('img'),\n\t\t\tsrcType = 'src',\n\t\t\tlazyClass = '',\n\t\t\tsettings = this._core.settings,\n\t\t\tcreate = function(path) {\n\t\t\t\ticon = '';\n\n\t\t\t\tif (settings.lazyLoad) {\n\t\t\t\t\ttnLink = '';\n\t\t\t\t} else {\n\t\t\t\t\ttnLink = '';\n\t\t\t\t}\n\t\t\t\ttarget.after(tnLink);\n\t\t\t\ttarget.after(icon);\n\t\t\t};\n\n\t\t// wrap video content into owl-video-wrapper div\n\t\ttarget.wrap('');\n\n\t\tif (this._core.settings.lazyLoad) {\n\t\t\tsrcType = 'data-src';\n\t\t\tlazyClass = 'owl-lazy';\n\t\t}\n\n\t\t// custom thumbnail\n\t\tif (customTn.length) {\n\t\t\tcreate(customTn.attr(srcType));\n\t\t\tcustomTn.remove();\n\t\t\treturn false;\n\t\t}\n\n\t\tif (video.type === 'youtube') {\n\t\t\tpath = \"//img.youtube.com/vi/\" + video.id + \"/hqdefault.jpg\";\n\t\t\tcreate(path);\n\t\t} else if (video.type === 'vimeo') {\n\t\t\t$.ajax({\n\t\t\t\ttype: 'GET',\n\t\t\t\turl: '//vimeo.com/api/v2/video/' + video.id + '.json',\n\t\t\t\tjsonp: 'callback',\n\t\t\t\tdataType: 'jsonp',\n\t\t\t\tsuccess: function(data) {\n\t\t\t\t\tpath = data[0].thumbnail_large;\n\t\t\t\t\tcreate(path);\n\t\t\t\t}\n\t\t\t});\n\t\t} else if (video.type === 'vzaar') {\n\t\t\t$.ajax({\n\t\t\t\ttype: 'GET',\n\t\t\t\turl: '//vzaar.com/api/videos/' + video.id + '.json',\n\t\t\t\tjsonp: 'callback',\n\t\t\t\tdataType: 'jsonp',\n\t\t\t\tsuccess: function(data) {\n\t\t\t\t\tpath = data.framegrab_url;\n\t\t\t\t\tcreate(path);\n\t\t\t\t}\n\t\t\t});\n\t\t}\n\t};\n\n\t/**\n\t * Stops the current video.\n\t * @public\n\t */\n\tVideo.prototype.stop = function() {\n\t\tthis._core.trigger('stop', null, 'video');\n\t\tthis._playing.find('.owl-video-frame').remove();\n\t\tthis._playing.removeClass('owl-video-playing');\n\t\tthis._playing = null;\n\t\tthis._core.leave('playing');\n\t\tthis._core.trigger('stopped', null, 'video');\n\t};\n\n\t/**\n\t * Starts the current video.\n\t * @public\n\t * @param {Event} event - The event arguments.\n\t */\n\tVideo.prototype.play = function(event) {\n\t\tvar target = $(event.target),\n\t\t\titem = target.closest('.' + this._core.settings.itemClass),\n\t\t\tvideo = this._videos[item.attr('data-video')],\n\t\t\twidth = video.width || '100%',\n\t\t\theight = video.height || this._core.$stage.height(),\n\t\t\thtml;\n\n\t\tif (this._playing) {\n\t\t\treturn;\n\t\t}\n\n\t\tthis._core.enter('playing');\n\t\tthis._core.trigger('play', null, 'video');\n\n\t\titem = this._core.items(this._core.relative(item.index()));\n\n\t\tthis._core.reset(item.index());\n\n\t\tif (video.type === 'youtube') {\n\t\t\thtml = '';\n\t\t} else if (video.type === 'vimeo') {\n\t\t\thtml = '';\n\t\t} else if (video.type === 'vzaar') {\n\t\t\thtml = '';\n\t\t}\n\n\t\t$('
' + html + '
').insertAfter(item.find('.owl-video'));\n\n\t\tthis._playing = item.addClass('owl-video-playing');\n\t};\n\n\t/**\n\t * Checks whether an video is currently in full screen mode or not.\n\t * @todo Bad style because looks like a readonly method but changes members.\n\t * @protected\n\t * @returns {Boolean}\n\t */\n\tVideo.prototype.isInFullScreen = function() {\n\t\tvar element = document.fullscreenElement || document.mozFullScreenElement ||\n\t\t\t\tdocument.webkitFullscreenElement;\n\n\t\treturn element && $(element).parent().hasClass('owl-video-frame');\n\t};\n\n\t/**\n\t * Destroys the plugin.\n\t */\n\tVideo.prototype.destroy = function() {\n\t\tvar handler, property;\n\n\t\tthis._core.$element.off('click.owl.video');\n\n\t\tfor (handler in this._handlers) {\n\t\t\tthis._core.$element.off(handler, this._handlers[handler]);\n\t\t}\n\t\tfor (property in Object.getOwnPropertyNames(this)) {\n\t\t\ttypeof this[property] != 'function' && (this[property] = null);\n\t\t}\n\t};\n\n\t$.fn.owlCarousel.Constructor.Plugins.Video = Video;\n\n})(window.Zepto || window.window.jQuery, window, document);\n\n/**\n * Animate Plugin\n * @version 2.1.0\n * @author Bartosz Wojciechowski\n * @author David Deutsch\n * @license The MIT License (MIT)\n */\n;(function($, window, document, undefined) {\n\n\t/**\n\t * Creates the animate plugin.\n\t * @class The Navigation Plugin\n\t * @param {Owl} scope - The Owl Carousel\n\t */\n\tvar Animate = function(scope) {\n\t\tthis.core = scope;\n\t\tthis.core.options = $.extend({}, Animate.Defaults, this.core.options);\n\t\tthis.swapping = true;\n\t\tthis.previous = undefined;\n\t\tthis.next = undefined;\n\n\t\tthis.handlers = {\n\t\t\t'change.owl.carousel': $.proxy(function(e) {\n\t\t\t\tif (e.namespace && e.property.name == 'position') {\n\t\t\t\t\tthis.previous = this.core.current();\n\t\t\t\t\tthis.next = e.property.value;\n\t\t\t\t}\n\t\t\t}, this),\n\t\t\t'drag.owl.carousel dragged.owl.carousel translated.owl.carousel': $.proxy(function(e) {\n\t\t\t\tif (e.namespace) {\n\t\t\t\t\tthis.swapping = e.type == 'translated';\n\t\t\t\t}\n\t\t\t}, this),\n\t\t\t'translate.owl.carousel': $.proxy(function(e) {\n\t\t\t\tif (e.namespace && this.swapping && (this.core.options.animateOut || this.core.options.animateIn)) {\n\t\t\t\t\tthis.swap();\n\t\t\t\t}\n\t\t\t}, this)\n\t\t};\n\n\t\tthis.core.$element.on(this.handlers);\n\t};\n\n\t/**\n\t * Default options.\n\t * @public\n\t */\n\tAnimate.Defaults = {\n\t\tanimateOut: false,\n\t\tanimateIn: false\n\t};\n\n\t/**\n\t * Toggles the animation classes whenever an translations starts.\n\t * @protected\n\t * @returns {Boolean|undefined}\n\t */\n\tAnimate.prototype.swap = function() {\n\n\t\tif (this.core.settings.items !== 1) {\n\t\t\treturn;\n\t\t}\n\n\t\tif (!$.support.animation || !$.support.transition) {\n\t\t\treturn;\n\t\t}\n\n\t\tthis.core.speed(0);\n\n\t\tvar left,\n\t\t\tclear = $.proxy(this.clear, this),\n\t\t\tprevious = this.core.$stage.children().eq(this.previous),\n\t\t\tnext = this.core.$stage.children().eq(this.next),\n\t\t\tincoming = this.core.settings.animateIn,\n\t\t\toutgoing = this.core.settings.animateOut;\n\n\t\tif (this.core.current() === this.previous) {\n\t\t\treturn;\n\t\t}\n\n\t\tif (outgoing) {\n\t\t\tleft = this.core.coordinates(this.previous) - this.core.coordinates(this.next);\n\t\t\tprevious.one($.support.animation.end, clear)\n\t\t\t\t.css( { 'left': left + 'px' } )\n\t\t\t\t.addClass('animated owl-animated-out')\n\t\t\t\t.addClass(outgoing);\n\t\t}\n\n\t\tif (incoming) {\n\t\t\tnext.one($.support.animation.end, clear)\n\t\t\t\t.addClass('animated owl-animated-in')\n\t\t\t\t.addClass(incoming);\n\t\t}\n\t};\n\n\tAnimate.prototype.clear = function(e) {\n\t\t$(e.target).css( { 'left': '' } )\n\t\t\t.removeClass('animated owl-animated-out owl-animated-in')\n\t\t\t.removeClass(this.core.settings.animateIn)\n\t\t\t.removeClass(this.core.settings.animateOut);\n\t\tthis.core.onTransitionEnd();\n\t};\n\n\t/**\n\t * Destroys the plugin.\n\t * @public\n\t */\n\tAnimate.prototype.destroy = function() {\n\t\tvar handler, property;\n\n\t\tfor (handler in this.handlers) {\n\t\t\tthis.core.$element.off(handler, this.handlers[handler]);\n\t\t}\n\t\tfor (property in Object.getOwnPropertyNames(this)) {\n\t\t\ttypeof this[property] != 'function' && (this[property] = null);\n\t\t}\n\t};\n\n\t$.fn.owlCarousel.Constructor.Plugins.Animate = Animate;\n\n})(window.Zepto || window.window.jQuery, window, document);\n\n/**\n * Autoplay Plugin\n * @version 2.1.0\n * @author Bartosz Wojciechowski\n * @author Artus Kolanowski\n * @author David Deutsch\n * @license The MIT License (MIT)\n */\n;(function($, window, document, undefined) {\n\n\t/**\n\t * Creates the autoplay plugin.\n\t * @class The Autoplay Plugin\n\t * @param {Owl} scope - The Owl Carousel\n\t */\n\tvar Autoplay = function(carousel) {\n\t\t/**\n\t\t * Reference to the core.\n\t\t * @protected\n\t\t * @type {Owl}\n\t\t */\n\t\tthis._core = carousel;\n\n\t\t/**\n\t\t * The autoplay timeout.\n\t\t * @type {Timeout}\n\t\t */\n\t\tthis._timeout = null;\n\n\t\t/**\n\t\t * Indicates whenever the autoplay is paused.\n\t\t * @type {Boolean}\n\t\t */\n\t\tthis._paused = false;\n\n\t\t/**\n\t\t * All event handlers.\n\t\t * @protected\n\t\t * @type {Object}\n\t\t */\n\t\tthis._handlers = {\n\t\t\t'changed.owl.carousel': $.proxy(function(e) {\n\t\t\t\tif (e.namespace && e.property.name === 'settings') {\n\t\t\t\t\tif (this._core.settings.autoplay) {\n\t\t\t\t\t\tthis.play();\n\t\t\t\t\t} else {\n\t\t\t\t\t\tthis.stop();\n\t\t\t\t\t}\n\t\t\t\t} else if (e.namespace && e.property.name === 'position') {\n\t\t\t\t\t//console.log('play?', e);\n\t\t\t\t\tif (this._core.settings.autoplay) {\n\t\t\t\t\t\tthis._setAutoPlayInterval();\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}, this),\n\t\t\t'initialized.owl.carousel': $.proxy(function(e) {\n\t\t\t\tif (e.namespace && this._core.settings.autoplay) {\n\t\t\t\t\tthis.play();\n\t\t\t\t}\n\t\t\t}, this),\n\t\t\t'play.owl.autoplay': $.proxy(function(e, t, s) {\n\t\t\t\tif (e.namespace) {\n\t\t\t\t\tthis.play(t, s);\n\t\t\t\t}\n\t\t\t}, this),\n\t\t\t'stop.owl.autoplay': $.proxy(function(e) {\n\t\t\t\tif (e.namespace) {\n\t\t\t\t\tthis.stop();\n\t\t\t\t}\n\t\t\t}, this),\n\t\t\t'mouseover.owl.autoplay': $.proxy(function() {\n\t\t\t\tif (this._core.settings.autoplayHoverPause && this._core.is('rotating')) {\n\t\t\t\t\tthis.pause();\n\t\t\t\t}\n\t\t\t}, this),\n\t\t\t'mouseleave.owl.autoplay': $.proxy(function() {\n\t\t\t\tif (this._core.settings.autoplayHoverPause && this._core.is('rotating')) {\n\t\t\t\t\tthis.play();\n\t\t\t\t}\n\t\t\t}, this),\n\t\t\t'touchstart.owl.core': $.proxy(function() {\n\t\t\t\tif (this._core.settings.autoplayHoverPause && this._core.is('rotating')) {\n\t\t\t\t\tthis.pause();\n\t\t\t\t}\n\t\t\t}, this),\n\t\t\t'touchend.owl.core': $.proxy(function() {\n\t\t\t\tif (this._core.settings.autoplayHoverPause) {\n\t\t\t\t\tthis.play();\n\t\t\t\t}\n\t\t\t}, this)\n\t\t};\n\n\t\t// register event handlers\n\t\tthis._core.$element.on(this._handlers);\n\n\t\t// set default options\n\t\tthis._core.options = $.extend({}, Autoplay.Defaults, this._core.options);\n\t};\n\n\t/**\n\t * Default options.\n\t * @public\n\t */\n\tAutoplay.Defaults = {\n\t\tautoplay: false,\n\t\tautoplayTimeout: 5000,\n\t\tautoplayHoverPause: false,\n\t\tautoplaySpeed: false\n\t};\n\n\t/**\n\t * Starts the autoplay.\n\t * @public\n\t * @param {Number} [timeout] - The interval before the next animation starts.\n\t * @param {Number} [speed] - The animation speed for the animations.\n\t */\n\tAutoplay.prototype.play = function(timeout, speed) {\n\t\tthis._paused = false;\n\n\t\tif (this._core.is('rotating')) {\n\t\t\treturn;\n\t\t}\n\n\t\tthis._core.enter('rotating');\n\n\t\tthis._setAutoPlayInterval();\n\t};\n\n\t/**\n\t * Gets a new timeout\n\t * @private\n\t * @param {Number} [timeout] - The interval before the next animation starts.\n\t * @param {Number} [speed] - The animation speed for the animations.\n\t * @return {Timeout}\n\t */\n\tAutoplay.prototype._getNextTimeout = function(timeout, speed) {\n\t\tif ( this._timeout ) {\n\t\t\twindow.clearTimeout(this._timeout);\n\t\t}\n\t\treturn window.setTimeout($.proxy(function() {\n\t\t\tif (this._paused || this._core.is('busy') || this._core.is('interacting') || document.hidden) {\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tthis._core.next(speed || this._core.settings.autoplaySpeed);\n\t\t}, this), timeout || this._core.settings.autoplayTimeout);\n\t};\n\n\t/**\n\t * Sets autoplay in motion.\n\t * @private\n\t */\n\tAutoplay.prototype._setAutoPlayInterval = function() {\n\t\tthis._timeout = this._getNextTimeout();\n\t};\n\n\t/**\n\t * Stops the autoplay.\n\t * @public\n\t */\n\tAutoplay.prototype.stop = function() {\n\t\tif (!this._core.is('rotating')) {\n\t\t\treturn;\n\t\t}\n\n\t\twindow.clearTimeout(this._timeout);\n\t\tthis._core.leave('rotating');\n\t};\n\n\t/**\n\t * Stops the autoplay.\n\t * @public\n\t */\n\tAutoplay.prototype.pause = function() {\n\t\tif (!this._core.is('rotating')) {\n\t\t\treturn;\n\t\t}\n\n\t\tthis._paused = true;\n\t};\n\n\t/**\n\t * Destroys the plugin.\n\t */\n\tAutoplay.prototype.destroy = function() {\n\t\tvar handler, property;\n\n\t\tthis.stop();\n\n\t\tfor (handler in this._handlers) {\n\t\t\tthis._core.$element.off(handler, this._handlers[handler]);\n\t\t}\n\t\tfor (property in Object.getOwnPropertyNames(this)) {\n\t\t\ttypeof this[property] != 'function' && (this[property] = null);\n\t\t}\n\t};\n\n\t$.fn.owlCarousel.Constructor.Plugins.autoplay = Autoplay;\n\n})(window.Zepto || window.window.jQuery, window, document);\n\n/**\n * Navigation Plugin\n * @version 2.1.0\n * @author Artus Kolanowski\n * @author David Deutsch\n * @license The MIT License (MIT)\n */\n;(function($, window, document, undefined) {\n\t'use strict';\n\n\t/**\n\t * Creates the navigation plugin.\n\t * @class The Navigation Plugin\n\t * @param {Owl} carousel - The Owl Carousel.\n\t */\n\tvar Navigation = function(carousel) {\n\t\t/**\n\t\t * Reference to the core.\n\t\t * @protected\n\t\t * @type {Owl}\n\t\t */\n\t\tthis._core = carousel;\n\n\t\t/**\n\t\t * Indicates whether the plugin is initialized or not.\n\t\t * @protected\n\t\t * @type {Boolean}\n\t\t */\n\t\tthis._initialized = false;\n\n\t\t/**\n\t\t * The current paging indexes.\n\t\t * @protected\n\t\t * @type {Array}\n\t\t */\n\t\tthis._pages = [];\n\n\t\t/**\n\t\t * All DOM elements of the user interface.\n\t\t * @protected\n\t\t * @type {Object}\n\t\t */\n\t\tthis._controls = {};\n\n\t\t/**\n\t\t * Markup for an indicator.\n\t\t * @protected\n\t\t * @type {Array.}\n\t\t */\n\t\tthis._templates = [];\n\n\t\t/**\n\t\t * The carousel element.\n\t\t * @type {window.jQuery}\n\t\t */\n\t\tthis.$element = this._core.$element;\n\n\t\t/**\n\t\t * Overridden methods of the carousel.\n\t\t * @protected\n\t\t * @type {Object}\n\t\t */\n\t\tthis._overrides = {\n\t\t\tnext: this._core.next,\n\t\t\tprev: this._core.prev,\n\t\t\tto: this._core.to\n\t\t};\n\n\t\t/**\n\t\t * All event handlers.\n\t\t * @protected\n\t\t * @type {Object}\n\t\t */\n\t\tthis._handlers = {\n\t\t\t'prepared.owl.carousel': $.proxy(function(e) {\n\t\t\t\tif (e.namespace && this._core.settings.dotsData) {\n\t\t\t\t\tthis._templates.push('
![\"\"](\"images/banners/356x309/BP)
\r\n ![\"post_img\"](\"images/content/web.png\")
\r\n ![\"Logo\"](\"images/header/logo.png\" "\\"i2Play\\""){kind=logo}
![\"\"/](\"/images/orcamento_banner.jpg\")
)\r\n }\r\n