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@vonage/client-sdk-video

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The OpenTok.js library lets you use OpenTok-powered video sessions on the web

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/** * @license OpenTok.js 2.34.1 9b9487b44 * * Copyright (c) 2010-2026 TokBox, Inc. * Subject to the applicable Software Development Kit (SDK) License Agreement: * https://www.vonage.com/legal/communications-apis/terms-of-use/ * * Date: Wed, 13 May 2026 07:24:06 GMT */ (function webpackUniversalModuleDefinition(root, factory) { if(typeof exports === 'object' && typeof module === 'object') module.exports = factory(); else if(typeof define === 'function' && define.amd) define([], factory); else if(typeof exports === 'object') exports["OT"] = factory(); else root["OT"] = factory(); })(window, function() { return /******/ (function(modules) { // webpackBootstrap /******/ // The module cache /******/ var installedModules = {}; /******/ /******/ // The require function /******/ function __webpack_require__(moduleId) { /******/ /******/ // Check if module is in cache /******/ if(installedModules[moduleId]) { /******/ return installedModules[moduleId].exports; /******/ } /******/ // Create a new module (and put it into the cache) /******/ var module = installedModules[moduleId] = { /******/ i: moduleId, /******/ l: false, /******/ exports: {} /******/ }; 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} : /******/ function getModuleExports() { return module; }; /******/ __webpack_require__.d(getter, 'a', getter); /******/ return getter; /******/ }; /******/ /******/ // Object.prototype.hasOwnProperty.call /******/ __webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); }; /******/ /******/ // __webpack_public_path__ /******/ __webpack_require__.p = ""; /******/ /******/ /******/ // Load entry module and return exports /******/ return __webpack_require__(__webpack_require__.s = 391); /******/ }) /************************************************************************/ /******/ ([ /* 0 */ /***/ (function(module, exports) { function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } module.exports = _interopRequireDefault; /***/ }), /* 1 */ /***/ (function(module, __webpack_exports__, __webpack_require__) { "use strict"; /* WEBPACK VAR INJECTION */(function(process) {/* harmony import */ var _helpers_bind_js__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(128); // utils is a library of generic helper functions non-specific to axios const { toString } = Object.prototype; const { getPrototypeOf } = Object; const { iterator, toStringTag } = Symbol; const kindOf = ((cache) => (thing) => { const str = toString.call(thing); return cache[str] || (cache[str] = str.slice(8, -1).toLowerCase()); })(Object.create(null)); const kindOfTest = (type) => { type = type.toLowerCase(); return (thing) => kindOf(thing) === type; }; const typeOfTest = (type) => (thing) => typeof thing === type; /** * Determine if a value is a non-null object * * @param {Object} val The value to test * * @returns {boolean} True if value is an Array, otherwise false */ const { isArray } = Array; /** * Determine if a value is undefined * * @param {*} val The value to test * * @returns {boolean} True if the value is undefined, otherwise false */ const isUndefined = typeOfTest('undefined'); /** * Determine if a value is a Buffer * * @param {*} val The value to test * * @returns {boolean} True if value is a Buffer, otherwise false */ function isBuffer(val) { return ( val !== null && !isUndefined(val) && val.constructor !== null && !isUndefined(val.constructor) && isFunction(val.constructor.isBuffer) && val.constructor.isBuffer(val) ); } /** * Determine if a value is an ArrayBuffer * * @param {*} val The value to test * * @returns {boolean} True if value is an ArrayBuffer, otherwise false */ const isArrayBuffer = kindOfTest('ArrayBuffer'); /** * Determine if a value is a view on an ArrayBuffer * * @param {*} val The value to test * * @returns {boolean} True if value is a view on an ArrayBuffer, otherwise false */ function isArrayBufferView(val) { let result; if (typeof ArrayBuffer !== 'undefined' && ArrayBuffer.isView) { result = ArrayBuffer.isView(val); } else { result = val && val.buffer && isArrayBuffer(val.buffer); } return result; } /** * Determine if a value is a String * * @param {*} val The value to test * * @returns {boolean} True if value is a String, otherwise false */ const isString = typeOfTest('string'); /** * Determine if a value is a Function * * @param {*} val The value to test * @returns {boolean} True if value is a Function, otherwise false */ const isFunction = typeOfTest('function'); /** * Determine if a value is a Number * * @param {*} val The value to test * * @returns {boolean} True if value is a Number, otherwise false */ const isNumber = typeOfTest('number'); /** * Determine if a value is an Object * * @param {*} thing The value to test * * @returns {boolean} True if value is an Object, otherwise false */ const isObject = (thing) => thing !== null && typeof thing === 'object'; /** * Determine if a value is a Boolean * * @param {*} thing The value to test * @returns {boolean} True if value is a Boolean, otherwise false */ const isBoolean = (thing) => thing === true || thing === false; /** * Determine if a value is a plain Object * * @param {*} val The value to test * * @returns {boolean} True if value is a plain Object, otherwise false */ const isPlainObject = (val) => { if (kindOf(val) !== 'object') { return false; } const prototype = getPrototypeOf(val); return ( (prototype === null || prototype === Object.prototype || Object.getPrototypeOf(prototype) === null) && !(toStringTag in val) && !(iterator in val) ); }; /** * Determine if a value is an empty object (safely handles Buffers) * * @param {*} val The value to test * * @returns {boolean} True if value is an empty object, otherwise false */ const isEmptyObject = (val) => { // Early return for non-objects or Buffers to prevent RangeError if (!isObject(val) || isBuffer(val)) { return false; } try { return Object.keys(val).length === 0 && Object.getPrototypeOf(val) === Object.prototype; } catch (e) { // Fallback for any other objects that might cause RangeError with Object.keys() return false; } }; /** * Determine if a value is a Date * * @param {*} val The value to test * * @returns {boolean} True if value is a Date, otherwise false */ const isDate = kindOfTest('Date'); /** * Determine if a value is a File * * @param {*} val The value to test * * @returns {boolean} True if value is a File, otherwise false */ const isFile = kindOfTest('File'); /** * Determine if a value is a React Native Blob * React Native "blob": an object with a `uri` attribute. Optionally, it can * also have a `name` and `type` attribute to specify filename and content type * * @see https://github.com/facebook/react-native/blob/26684cf3adf4094eb6c405d345a75bf8c7c0bf88/Libraries/Network/FormData.js#L68-L71 * * @param {*} value The value to test * * @returns {boolean} True if value is a React Native Blob, otherwise false */ const isReactNativeBlob = (value) => { return !!(value && typeof value.uri !== 'undefined'); } /** * Determine if environment is React Native * ReactNative `FormData` has a non-standard `getParts()` method * * @param {*} formData The formData to test * * @returns {boolean} True if environment is React Native, otherwise false */ const isReactNative = (formData) => formData && typeof formData.getParts !== 'undefined'; /** * Determine if a value is a Blob * * @param {*} val The value to test * * @returns {boolean} True if value is a Blob, otherwise false */ const isBlob = kindOfTest('Blob'); /** * Determine if a value is a FileList * * @param {*} val The value to test * * @returns {boolean} True if value is a File, otherwise false */ const isFileList = kindOfTest('FileList'); /** * Determine if a value is a Stream * * @param {*} val The value to test * * @returns {boolean} True if value is a Stream, otherwise false */ const isStream = (val) => isObject(val) && isFunction(val.pipe); /** * Determine if a value is a FormData * * @param {*} thing The value to test * * @returns {boolean} True if value is an FormData, otherwise false */ function getGlobal() { if (typeof globalThis !== 'undefined') return globalThis; if (typeof self !== 'undefined') return self; if (typeof window !== 'undefined') return window; if (typeof (typeof window !== undefined ? window : global) !== 'undefined') return (typeof window !== undefined ? window : global); return {}; } const G = getGlobal(); const FormDataCtor = typeof G.FormData !== 'undefined' ? G.FormData : undefined; const isFormData = (thing) => { let kind; return thing && ( (FormDataCtor && thing instanceof FormDataCtor) || ( isFunction(thing.append) && ( (kind = kindOf(thing)) === 'formdata' || // detect form-data instance (kind === 'object' && isFunction(thing.toString) && thing.toString() === '[object FormData]') ) ) ); }; /** * Determine if a value is a URLSearchParams object * * @param {*} val The value to test * * @returns {boolean} True if value is a URLSearchParams object, otherwise false */ const isURLSearchParams = kindOfTest('URLSearchParams'); const [isReadableStream, isRequest, isResponse, isHeaders] = [ 'ReadableStream', 'Request', 'Response', 'Headers', ].map(kindOfTest); /** * Trim excess whitespace off the beginning and end of a string * * @param {String} str The String to trim * * @returns {String} The String freed of excess whitespace */ const trim = (str) => { return str.trim ? str.trim() : str.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g, ''); }; /** * Iterate over an Array or an Object invoking a function for each item. * * If `obj` is an Array callback will be called passing * the value, index, and complete array for each item. * * If 'obj' is an Object callback will be called passing * the value, key, and complete object for each property. * * @param {Object|Array<unknown>} obj The object to iterate * @param {Function} fn The callback to invoke for each item * * @param {Object} [options] * @param {Boolean} [options.allOwnKeys = false] * @returns {any} */ function forEach(obj, fn, { allOwnKeys = false } = {}) { // Don't bother if no value provided if (obj === null || typeof obj === 'undefined') { return; } let i; let l; // Force an array if not already something iterable if (typeof obj !== 'object') { /*eslint no-param-reassign:0*/ obj = [obj]; } if (isArray(obj)) { // Iterate over array values for (i = 0, l = obj.length; i < l; i++) { fn.call(null, obj[i], i, obj); } } else { // Buffer check if (isBuffer(obj)) { return; } // Iterate over object keys const keys = allOwnKeys ? Object.getOwnPropertyNames(obj) : Object.keys(obj); const len = keys.length; let key; for (i = 0; i < len; i++) { key = keys[i]; fn.call(null, obj[key], key, obj); } } } /** * Finds a key in an object, case-insensitive, returning the actual key name. * Returns null if the object is a Buffer or if no match is found. * * @param {Object} obj - The object to search. * @param {string} key - The key to find (case-insensitive). * @returns {?string} The actual key name if found, otherwise null. */ function findKey(obj, key) { if (isBuffer(obj)) { return null; } key = key.toLowerCase(); const keys = Object.keys(obj); let i = keys.length; let _key; while (i-- > 0) { _key = keys[i]; if (key === _key.toLowerCase()) { return _key; } } return null; } const _global = (() => { /*eslint no-undef:0*/ if (typeof globalThis !== 'undefined') return globalThis; return typeof self !== 'undefined' ? self : typeof window !== 'undefined' ? window : (typeof window !== undefined ? window : global); })(); const isContextDefined = (context) => !isUndefined(context) && context !== _global; /** * Accepts varargs expecting each argument to be an object, then * immutably merges the properties of each object and returns result. * * When multiple objects contain the same key the later object in * the arguments list will take precedence. * * Example: * * ```js * const result = merge({foo: 123}, {foo: 456}); * console.log(result.foo); // outputs 456 * ``` * * @param {Object} obj1 Object to merge * * @returns {Object} Result of all merge properties */ function merge(/* obj1, obj2, obj3, ... */) { const { caseless, skipUndefined } = (isContextDefined(this) && this) || {}; const result = {}; const assignValue = (val, key) => { // Skip dangerous property names to prevent prototype pollution if (key === '__proto__' || key === 'constructor' || key === 'prototype') { return; } const targetKey = (caseless && findKey(result, key)) || key; if (isPlainObject(result[targetKey]) && isPlainObject(val)) { result[targetKey] = merge(result[targetKey], val); } else if (isPlainObject(val)) { result[targetKey] = merge({}, val); } else if (isArray(val)) { result[targetKey] = val.slice(); } else if (!skipUndefined || !isUndefined(val)) { result[targetKey] = val; } }; for (let i = 0, l = arguments.length; i < l; i++) { arguments[i] && forEach(arguments[i], assignValue); } return result; } /** * Extends object a by mutably adding to it the properties of object b. * * @param {Object} a The object to be extended * @param {Object} b The object to copy properties from * @param {Object} thisArg The object to bind function to * * @param {Object} [options] * @param {Boolean} [options.allOwnKeys] * @returns {Object} The resulting value of object a */ const extend = (a, b, thisArg, { allOwnKeys } = {}) => { forEach( b, (val, key) => { if (thisArg && isFunction(val)) { Object.defineProperty(a, key, { value: Object(_helpers_bind_js__WEBPACK_IMPORTED_MODULE_0__[/* default */ "a"])(val, thisArg), writable: true, enumerable: true, configurable: true, }); } else { Object.defineProperty(a, key, { value: val, writable: true, enumerable: true, configurable: true, }); } }, { allOwnKeys } ); return a; }; /** * Remove byte order marker. This catches EF BB BF (the UTF-8 BOM) * * @param {string} content with BOM * * @returns {string} content value without BOM */ const stripBOM = (content) => { if (content.charCodeAt(0) === 0xfeff) { content = content.slice(1); } return content; }; /** * Inherit the prototype methods from one constructor into another * @param {function} constructor * @param {function} superConstructor * @param {object} [props] * @param {object} [descriptors] * * @returns {void} */ const inherits = (constructor, superConstructor, props, descriptors) => { constructor.prototype = Object.create(superConstructor.prototype, descriptors); Object.defineProperty(constructor.prototype, 'constructor', { value: constructor, writable: true, enumerable: false, configurable: true, }); Object.defineProperty(constructor, 'super', { value: superConstructor.prototype, }); props && Object.assign(constructor.prototype, props); }; /** * Resolve object with deep prototype chain to a flat object * @param {Object} sourceObj source object * @param {Object} [destObj] * @param {Function|Boolean} [filter] * @param {Function} [propFilter] * * @returns {Object} */ const toFlatObject = (sourceObj, destObj, filter, propFilter) => { let props; let i; let prop; const merged = {}; destObj = destObj || {}; // eslint-disable-next-line no-eq-null,eqeqeq if (sourceObj == null) return destObj; do { props = Object.getOwnPropertyNames(sourceObj); i = props.length; while (i-- > 0) { prop = props[i]; if ((!propFilter || propFilter(prop, sourceObj, destObj)) && !merged[prop]) { destObj[prop] = sourceObj[prop]; merged[prop] = true; } } sourceObj = filter !== false && getPrototypeOf(sourceObj); } while (sourceObj && (!filter || filter(sourceObj, destObj)) && sourceObj !== Object.prototype); return destObj; }; /** * Determines whether a string ends with the characters of a specified string * * @param {String} str * @param {String} searchString * @param {Number} [position= 0] * * @returns {boolean} */ const endsWith = (str, searchString, position) => { str = String(str); if (position === undefined || position > str.length) { position = str.length; } position -= searchString.length; const lastIndex = str.indexOf(searchString, position); return lastIndex !== -1 && lastIndex === position; }; /** * Returns new array from array like object or null if failed * * @param {*} [thing] * * @returns {?Array} */ const toArray = (thing) => { if (!thing) return null; if (isArray(thing)) return thing; let i = thing.length; if (!isNumber(i)) return null; const arr = new Array(i); while (i-- > 0) { arr[i] = thing[i]; } return arr; }; /** * Checking if the Uint8Array exists and if it does, it returns a function that checks if the * thing passed in is an instance of Uint8Array * * @param {TypedArray} * * @returns {Array} */ // eslint-disable-next-line func-names const isTypedArray = ((TypedArray) => { // eslint-disable-next-line func-names return (thing) => { return TypedArray && thing instanceof TypedArray; }; })(typeof Uint8Array !== 'undefined' && getPrototypeOf(Uint8Array)); /** * For each entry in the object, call the function with the key and value. * * @param {Object<any, any>} obj - The object to iterate over. * @param {Function} fn - The function to call for each entry. * * @returns {void} */ const forEachEntry = (obj, fn) => { const generator = obj && obj[iterator]; const _iterator = generator.call(obj); let result; while ((result = _iterator.next()) && !result.done) { const pair = result.value; fn.call(obj, pair[0], pair[1]); } }; /** * It takes a regular expression and a string, and returns an array of all the matches * * @param {string} regExp - The regular expression to match against. * @param {string} str - The string to search. * * @returns {Array<boolean>} */ const matchAll = (regExp, str) => { let matches; const arr = []; while ((matches = regExp.exec(str)) !== null) { arr.push(matches); } return arr; }; /* Checking if the kindOfTest function returns true when passed an HTMLFormElement. */ const isHTMLForm = kindOfTest('HTMLFormElement'); const toCamelCase = (str) => { return str.toLowerCase().replace(/[-_\s]([a-z\d])(\w*)/g, function replacer(m, p1, p2) { return p1.toUpperCase() + p2; }); }; /* Creating a function that will check if an object has a property. */ const hasOwnProperty = ( ({ hasOwnProperty }) => (obj, prop) => hasOwnProperty.call(obj, prop) )(Object.prototype); /** * Determine if a value is a RegExp object * * @param {*} val The value to test * * @returns {boolean} True if value is a RegExp object, otherwise false */ const isRegExp = kindOfTest('RegExp'); const reduceDescriptors = (obj, reducer) => { const descriptors = Object.getOwnPropertyDescriptors(obj); const reducedDescriptors = {}; forEach(descriptors, (descriptor, name) => { let ret; if ((ret = reducer(descriptor, name, obj)) !== false) { reducedDescriptors[name] = ret || descriptor; } }); Object.defineProperties(obj, reducedDescriptors); }; /** * Makes all methods read-only * @param {Object} obj */ const freezeMethods = (obj) => { reduceDescriptors(obj, (descriptor, name) => { // skip restricted props in strict mode if (isFunction(obj) && ['arguments', 'caller', 'callee'].indexOf(name) !== -1) { return false; } const value = obj[name]; if (!isFunction(value)) return; descriptor.enumerable = false; if ('writable' in descriptor) { descriptor.writable = false; return; } if (!descriptor.set) { descriptor.set = () => { throw Error("Can not rewrite read-only method '" + name + "'"); }; } }); }; /** * Converts an array or a delimited string into an object set with values as keys and true as values. * Useful for fast membership checks. * * @param {Array|string} arrayOrString - The array or string to convert. * @param {string} delimiter - The delimiter to use if input is a string. * @returns {Object} An object with keys from the array or string, values set to true. */ const toObjectSet = (arrayOrString, delimiter) => { const obj = {}; const define = (arr) => { arr.forEach((value) => { obj[value] = true; }); }; isArray(arrayOrString) ? define(arrayOrString) : define(String(arrayOrString).split(delimiter)); return obj; }; const noop = () => {}; const toFiniteNumber = (value, defaultValue) => { return value != null && Number.isFinite((value = +value)) ? value : defaultValue; }; /** * If the thing is a FormData object, return true, otherwise return false. * * @param {unknown} thing - The thing to check. * * @returns {boolean} */ function isSpecCompliantForm(thing) { return !!( thing && isFunction(thing.append) && thing[toStringTag] === 'FormData' && thing[iterator] ); } /** * Recursively converts an object to a JSON-compatible object, handling circular references and Buffers. * * @param {Object} obj - The object to convert. * @returns {Object} The JSON-compatible object. */ const toJSONObject = (obj) => { const stack = new Array(10); const visit = (source, i) => { if (isObject(source)) { if (stack.indexOf(source) >= 0) { return; } //Buffer check if (isBuffer(source)) { return source; } if (!('toJSON' in source)) { stack[i] = source; const target = isArray(source) ? [] : {}; forEach(source, (value, key) => { const reducedValue = visit(value, i + 1); !isUndefined(reducedValue) && (target[key] = reducedValue); }); stack[i] = undefined; return target; } } return source; }; return visit(obj, 0); }; /** * Determines if a value is an async function. * * @param {*} thing - The value to test. * @returns {boolean} True if value is an async function, otherwise false. */ const isAsyncFn = kindOfTest('AsyncFunction'); /** * Determines if a value is thenable (has then and catch methods). * * @param {*} thing - The value to test. * @returns {boolean} True if value is thenable, otherwise false. */ const isThenable = (thing) => thing && (isObject(thing) || isFunction(thing)) && isFunction(thing.then) && isFunction(thing.catch); // original code // https://github.com/DigitalBrainJS/AxiosPromise/blob/16deab13710ec09779922131f3fa5954320f83ab/lib/utils.js#L11-L34 /** * Provides a cross-platform setImmediate implementation. * Uses native setImmediate if available, otherwise falls back to postMessage or setTimeout. * * @param {boolean} setImmediateSupported - Whether setImmediate is supported. * @param {boolean} postMessageSupported - Whether postMessage is supported. * @returns {Function} A function to schedule a callback asynchronously. */ const _setImmediate = ((setImmediateSupported, postMessageSupported) => { if (setImmediateSupported) { return setImmediate; } return postMessageSupported ? ((token, callbacks) => { _global.addEventListener( 'message', ({ source, data }) => { if (source === _global && data === token) { callbacks.length && callbacks.shift()(); } }, false ); return (cb) => { callbacks.push(cb); _global.postMessage(token, '*'); }; })(`axios@${Math.random()}`, []) : (cb) => setTimeout(cb); })(typeof setImmediate === 'function', isFunction(_global.postMessage)); /** * Schedules a microtask or asynchronous callback as soon as possible. * Uses queueMicrotask if available, otherwise falls back to process.nextTick or _setImmediate. * * @type {Function} */ const asap = typeof queueMicrotask !== 'undefined' ? queueMicrotask.bind(_global) : (typeof process !== 'undefined' && process.nextTick) || _setImmediate; // ********************* const isIterable = (thing) => thing != null && isFunction(thing[iterator]); /* harmony default export */ __webpack_exports__["a"] = ({ isArray, isArrayBuffer, isBuffer, isFormData, isArrayBufferView, isString, isNumber, isBoolean, isObject, isPlainObject, isEmptyObject, isReadableStream, isRequest, isResponse, isHeaders, isUndefined, isDate, isFile, isReactNativeBlob, isReactNative, isBlob, isRegExp, isFunction, isStream, isURLSearchParams, isTypedArray, isFileList, forEach, merge, extend, trim, stripBOM, inherits, toFlatObject, kindOf, kindOfTest, endsWith, toArray, forEachEntry, matchAll, isHTMLForm, hasOwnProperty, hasOwnProp: hasOwnProperty, // an alias to avoid ESLint no-prototype-builtins detection reduceDescriptors, freezeMethods, toObjectSet, toCamelCase, noop, toFiniteNumber, findKey, global: _global, isContextDefined, isSpecCompliantForm, toJSONObject, isAsyncFn, isThenable, setImmediate: _setImmediate, asap, isIterable, }); /* WEBPACK VAR INJECTION */}.call(this, __webpack_require__(37))) /***/ }), /* 2 */ /***/ (function(module, exports, __webpack_require__) { /* WEBPACK VAR INJECTION */(function(process) {/*! * @overview es6-promise - a tiny implementation of Promises/A+. * @copyright Copyright (c) 2014 Yehuda Katz, Tom Dale, Stefan Penner and contributors (Conversion to ES6 API by Jake Archibald) * @license Licensed under MIT license * See https://raw.githubusercontent.com/stefanpenner/es6-promise/master/LICENSE * @version v4.2.8+1e68dce6 */ (function (global, factory) { true ? module.exports = factory() : undefined; }(this, (function () { 'use strict'; function objectOrFunction(x) { var type = typeof x; return x !== null && (type === 'object' || type === 'function'); } function isFunction(x) { return typeof x === 'function'; } var _isArray = void 0; if (Array.isArray) { _isArray = Array.isArray; } else { _isArray = function (x) { return Object.prototype.toString.call(x) === '[object Array]'; }; } var isArray = _isArray; var len = 0; var vertxNext = void 0; var customSchedulerFn = void 0; var asap = function asap(callback, arg) { queue[len] = callback; queue[len + 1] = arg; len += 2; if (len === 2) { // If len is 2, that means that we need to schedule an async flush. // If additional callbacks are queued before the queue is flushed, they // will be processed by this flush that we are scheduling. if (customSchedulerFn) { customSchedulerFn(flush); } else { scheduleFlush(); } } }; function setScheduler(scheduleFn) { customSchedulerFn = scheduleFn; } function setAsap(asapFn) { asap = asapFn; } var browserWindow = typeof window !== 'undefined' ? window : undefined; var browserGlobal = browserWindow || {}; var BrowserMutationObserver = browserGlobal.MutationObserver || browserGlobal.WebKitMutationObserver; var isNode = typeof self === 'undefined' && typeof process !== 'undefined' && {}.toString.call(process) === '[object process]'; // test for web worker but not in IE10 var isWorker = typeof Uint8ClampedArray !== 'undefined' && typeof importScripts !== 'undefined' && typeof MessageChannel !== 'undefined'; // node function useNextTick() { // node version 0.10.x displays a deprecation warning when nextTick is used recursively // see https://github.com/cujojs/when/issues/410 for details return function () { return process.nextTick(flush); }; } // vertx function useVertxTimer() { if (typeof vertxNext !== 'undefined') { return function () { vertxNext(flush); }; } return useSetTimeout(); } function useMutationObserver() { var iterations = 0; var observer = new BrowserMutationObserver(flush); var node = document.createTextNode(''); observer.observe(node, { characterData: true }); return function () { node.data = iterations = ++iterations % 2; }; } // web worker function useMessageChannel() { var channel = new MessageChannel(); channel.port1.onmessage = flush; return function () { return channel.port2.postMessage(0); }; } function useSetTimeout() { // Store setTimeout reference so es6-promise will be unaffected by // other code modifying setTimeout (like sinon.useFakeTimers()) var globalSetTimeout = setTimeout; return function () { return globalSetTimeout(flush, 1); }; } var queue = new Array(1000); function flush() { for (var i = 0; i < len; i += 2) { var callback = queue[i]; var arg = queue[i + 1]; callback(arg); queue[i] = undefined; queue[i + 1] = undefined; } len = 0; } function attemptVertx() { try { var vertx = Function('return this')().require('vertx'); vertxNext = vertx.runOnLoop || vertx.runOnContext; return useVertxTimer(); } catch (e) { return useSetTimeout(); } } var scheduleFlush = void 0; // Decide what async method to use to triggering processing of queued callbacks: if (isNode) { scheduleFlush = useNextTick(); } else if (BrowserMutationObserver) { scheduleFlush = useMutationObserver(); } else if (isWorker) { scheduleFlush = useMessageChannel(); } else if (browserWindow === undefined && "function" === 'function') { scheduleFlush = attemptVertx(); } else { scheduleFlush = useSetTimeout(); } function then(onFulfillment, onRejection) { var parent = this; var child = new this.constructor(noop); if (child[PROMISE_ID] === undefined) { makePromise(child); } var _state = parent._state; if (_state) { var callback = arguments[_state - 1]; asap(function () { return invokeCallback(_state, child, callback, parent._result); }); } else { subscribe(parent, child, onFulfillment, onRejection); } return child; } /** `Promise.resolve` returns a promise that will become resolved with the passed `value`. It is shorthand for the following: ```javascript let promise = new Promise(function(resolve, reject){ resolve(1); }); promise.then(function(value){ // value === 1 }); ``` Instead of writing the above, your code now simply becomes the following: ```javascript let promise = Promise.resolve(1); promise.then(function(value){ // value === 1 }); ``` @method resolve @static @param {Any} value value that the returned promise will be resolved with Useful for tooling. @return {Promise} a promise that will become fulfilled with the given `value` */ function resolve$1(object) { /*jshint validthis:true */ var Constructor = this; if (object && typeof object === 'object' && object.constructor === Constructor) { return object; } var promise = new Constructor(noop); resolve(promise, object); return promise; } var PROMISE_ID = Math.random().toString(36).substring(2); function noop() {} var PENDING = void 0; var FULFILLED = 1; var REJECTED = 2; function selfFulfillment() { return new TypeError("You cannot resolve a promise with itself"); } function cannotReturnOwn() { return new TypeError('A promises callback cannot return that same promise.'); } function tryThen(then$$1, value, fulfillmentHandler, rejectionHandler) { try { then$$1.call(value, fulfillmentHandler, rejectionHandler); } catch (e) { return e; } } function handleForeignThenable(promise, thenable, then$$1) { asap(function (promise) { var sealed = false; var error = tryThen(then$$1, thenable, function (value) { if (sealed) { return; } sealed = true; if (thenable !== value) { resolve(promise, value); } else { fulfill(promise, value); } }, function (reason) { if (sealed) { return; } sealed = true; reject(promise, reason); }, 'Settle: ' + (promise._label || ' unknown promise')); if (!sealed && error) { sealed = true; reject(promise, error); } }, promise); } function handleOwnThenable(promise, thenable) { if (thenable._state === FULFILLED) { fulfill(promise, thenable._result); } else if (thenable._state === REJECTED) { reject(promise, thenable._result); } else { subscribe(thenable, undefined, function (value) { return resolve(promise, value); }, function (reason) { return reject(promise, reason); }); } } function handleMaybeThenable(promise, maybeThenable, then$$1) { if (maybeThenable.constructor === promise.constructor && then$$1 === then && maybeThenable.constructor.resolve === resolve$1) { handleOwnThenable(promise, maybeThenable); } else { if (then$$1 === undefined) { fulfill(promise, maybeThenable); } else if (isFunction(then$$1)) { handleForeignThenable(promise, maybeThenable, then$$1); } else { fulfill(promise, maybeThenable); } } } function resolve(promise, value) { if (promise === value) { reject(promise, selfFulfillment()); } else if (objectOrFunction(value)) { var then$$1 = void 0; try { then$$1 = value.then; } catch (error) { reject(promise, error); return; } handleMaybeThenable(promise, value, then$$1); } else { fulfill(promise, value); } } function publishRejection(promise) { if (promise._onerror) { promise._onerror(promise._result); } publish(promise); } function fulfill(promise, value) { if (promise._state !== PENDING) { return; } promise._result = value; promise._state = FULFILLED; if (promise._subscribers.length !== 0) { asap(publish, promise); } } function reject(promise, reason) { if (promise._state !== PENDING) { return; } promise._state = REJECTED; promise._result = reason; asap(publishRejection, promise); } function subscribe(parent, child, onFulfillment, onRejection) { var _subscribers = parent._subscribers; var length = _subscribers.length; parent._onerror = null; _subscribers[length] = child; _subscribers[length + FULFILLED] = onFulfillment; _subscribers[length + REJECTED] = onRejection; if (length === 0 && parent._state) { asap(publish, parent); } } function publish(promise) { var subscribers = promise._subscribers; var settled = promise._state; if (subscribers.length === 0) { return; } var child = void 0, callback = void 0, detail = promise._result; for (var i = 0; i < subscribers.length; i += 3) { child = subscribers[i]; callback = subscribers[i + settled]; if (child) { invokeCallback(settled, child, callback, detail); } else { callback(detail); } } promise._subscribers.length = 0; } function invokeCallback(settled, promise, callback, detail) { var hasCallback = isFunction(callback), value = void 0, error = void 0, succeeded = true; if (hasCallback) { try { value = callback(detail); } catch (e) { succeeded = false; error = e; } if (promise === value) { reject(promise, cannotReturnOwn()); return; } } else { value = detail; } if (promise._state !== PENDING) { // noop } else if (hasCallback && succeeded) { resolve(promise, value); } else if (succeeded === false) { reject(promise, error); } else if (settled === FULFILLED) { fulfill(promise, value); } else if (settled === REJECTED) { reject(promise, value); } } function initializePromise(promise, resolver) { try { resolver(function resolvePromise(value) { resolve(promise, value); }, function rejectPromise(reason) { reject(promise, reason); }); } catch (e) { reject(promise, e); } } var id = 0; function nextId() { return id++; } function makePromise(promise) { promise[PROMISE_ID] = id++; promise._state = undefined; promise._result = undefined; promise._subscribers = []; } function validationError() { return new Error('Array Methods must be provided an Array'); } var Enumerator = function () { function Enumerator(Constructor, input) { this._instanceConstructor = Constructor; this.promise = new Constructor(noop); if (!this.promise[PROMISE_ID]) { makePromise(this.promise); } if (isArray(input)) { this.length = input.length; this._remaining = input.length; this._result = new Array(this.length); if (this.length === 0) { fulfill(this.promise, this._result); } else { this.length = this.length || 0; this._enumerate(input); if (this._remaining === 0) { fulfill(this.promise, this._result); } } } else { reject(this.promise, validationError()); } } Enumerator.prototype._enumerate = function _enumerate(input) { for (var i = 0; this._state === PENDING && i < input.length; i++) { this._eachEntry(input[i], i); } }; Enumerator.prototype._eachEntry = function _eachEntry(entry, i) { var c = this._instanceConstructor; var resolve$$1 = c.resolve; if (resolve$$1 === resolve$1) { var _then = void 0; var error = void 0; var didError = false; try { _then = entry.then; } catch (e) { didError = true; error = e; } if (_then === then && entry._state !== PENDING) { this._settledAt(entry._state, i, entry._result); } else if (typeof _then !== 'function') { this._remaining--; this._result[i] = entry; } else if (c === Promise$1) { var promise = new c(noop); if (didError) { reject(promise, error); } else { handleMaybeThenable(promise, entry, _then); } this._willSettleAt(promise, i); } else { this._willSettleAt(new c(function (resolve$$1) { return resolve$$1(entry); }), i); } } else { this._willSettleAt(resolve$$1(entry), i); } }; Enumerator.prototype._settledAt = function _settledAt(state, i, value) { var promise = this.promise; if (promise._state === PENDING) { this._remaining--; if (state === REJECTED) { reject(promise, value); } else { this._result[i] = value; } } if (this._remaining === 0) { fulfill(promise, this._result); } }; Enumerator.prototype._willSettleAt = function _willSettleAt(promise, i) { var enumerator = this; subscribe(promise, undefined, function (value) { return enumerator._settledAt(FULFILLED, i, value); }, function (reason) { return enumerator._settledAt(REJECTED, i, reason); }); }; return Enumerator; }(); /** `Promise.all` accepts an array of promises, and returns a new promise which is fulfilled with an array of fulfillment values for the passed promises, or rejected with the reason of the first passed promise to be rejected. It casts all elements of the passed iterable to promises as it runs this algorithm. Example: ```javascript let promise1 = resolve(1); let promise2 = resolve(2); let promise3 = resolve(3); let promises = [ promise1, promise2, promise3 ]; Promise.all(promises).then(function(array){ // The array here would be [ 1, 2, 3 ]; }); ``` If any of the `promises` given to `all` are rejected, the first promise that is rejected will be given as an argument to the returned promises's rejection handler. For example: Example: ```javascript let promise1 = resolve(1); let promise2 = reject(new Error("2")); let promise3 = reject(new Error("3")); let promises = [ promise1, promise2, promise3 ]; Promise.all(promises).then(function(array){ // Code here never runs because there are rejected promises! }, function(error) { // error.message === "2" }); ``` @method all @static @param {Array} entries array of promises @param {String} label optional string for labeling the promise. Useful for tooling. @return {Promise} promise that is fulfilled when all `promises` have been fulfilled, or rejected if any of them become rejected. @static */ function all(entries) { return new Enumerator(this, entries).promise; } /** `Promise.race` returns a new promise which is settled in the same way as the first passed promise to settle. Example: ```javascript let promise1 = new Promise(function(resolve, reject){ setTimeout(function(){ resolve('promise 1'); }, 200); }); let promise2 = new Promise(function(resolve, reject){ setTimeout(function(){ resolve('promise 2'); }, 100); }); Promise.race([promise1, promise2]).then(function(result){ // result === 'promise 2' because it was resolved before promise1 // was resolved. }); ``` `Promise.race` is deterministic in that only the state of the first settled promise matters. For example, even if other promises given to the `promises` array argument are resolved, but the first settled promise has become rejected before the other promises became fulfilled, the returned promise will become rejected: ```javascript let promise1 = new Promise(function(resolve, reject){ setTimeout(function(){ resolve('promise 1'); }, 200); }); let promise2 = new Promise(function(resolve, reject){ setTimeout(function(){ reject(new Error('promise 2')); }, 100); }); Promise.race([promise1, promise2]).then(function(result){ // Code here never runs }, function(reason){ // reason.message === 'promise 2' because promise 2 became rejected before // promise 1 became fulfilled }); ``` An example real-world use case is implementing timeouts: ```javascript Promise.race([ajax('foo.json'), timeout(5000)]) ``` @method race @static @param {Array} promises array of promises to observe Useful for tooling. @return {Promise} a promise which settles in the same way as the first passed promise to settle. */ function race(entries) { /*jshint validthis:true */ var Constructor = this; if (!isArray(entries)) { return new Constructor(function (_, reject) { return reject(new TypeError('You must pass an array to race.')); }); } else { return new Constructor(function (resolve, reject) { var length = entries.length; for (var i = 0; i < length; i++) { Constructor.resolve(entries[i]).then(resolve, reject); } }); } } /** `Promise.reject` returns a promise rejected with the passed `reason`. It is shorthand for the following: ```javascript let promise = new Promise(function(resolve, reject){ reject(new Error('WHOOPS')); }); promise.then(function(value){ // Code here doesn't run because the promise is rejected! }, function(reason){ // reason.message === 'WHOOPS' }); ``` Instead of writing the above, your code now simply becomes the following: ```javascript let promise = Promise.reject(new Error('WHOOPS')); promise.then(function(value){ // Code here doesn't run because the promise is rejected! }, function(reason){ // reason.message === 'WHOOPS' }); ``` @method reject @static @param {Any} reason value that the returned promise will be rejected with. Useful for tooling. @return {Promise} a promise rejected with the given `reason`. */ function reject$1(reason) { /*jshint validthis:true */ var Constructor = this; var promise = new Constructor(noop); reject(promise, reason); return promise; } function needsResolver() { throw new TypeError('You must pass a resolver function as the first argument to the promise constructor'); } function needsNew() { throw new TypeError("Failed to construct 'Promise': Please use the 'new' operator, this object constructor cannot be called as a function."); } /** Promise objects represent the eventual result of an asynchronous operation. The primary way of interacting with a promise is through its `then` method, which registers callbacks to receive either a promise's eventual value or the reason why the promise cannot be fulfilled. Terminology ----------- - `promise` is an object or function with a `then` method whose behavior conforms to this specification. - `thenable` is an object or function that defines a `then` method. - `value` is any legal JavaScript value (including undefined, a thenable, or a promise). - `exception` is a value that is thrown using the throw statement. - `reason` is a value that indicates why a promise was rejected. - `settled` the final resting state of a promise, fulfilled or rejected. A promise can be in one of three states: pending, fulfilled, or rejected. Promises that are fulfilled have a fulfillment value and are in the fulfilled state. Promises that are rejected have a rejection reason and are in the rejected state. A fulfillment value is never a thenable. Promises can also be said to *resolve* a value. If this value is also a promise, then the original promise's settled state will match the value's settled state. So a promise that *resolves* a promise that rejects will itself reject, and a promise that *resolves* a promise that fulfills will itself fulfill. Basic Usage: ------------ ```js let promise = new Promise(function(resolve, reject) { // on success resolve(value); // on failure reject(reason); }); promise.then(function(value) { // on fulfillment }, function(reason) { // on rejection }); ``` Advanced Usage: --------------- Promises shine when abstracting away asynchronous interactions such as `XMLHttpRequest`s. ```js function getJSON(url) { return new Promise(function(resolve, reject){ let xhr = new XMLHttpRequest(); xhr.open('GET', url); xhr.onreadystatechange = handler; xhr.responseType = 'json'; xhr.setRequestHeader('Accept', 'application/json'); xhr.send(); function handler() { if (this.readyState === this.DONE) { if (this.status === 200) { resolve(this.response); } else { reject(new Error('getJSON: `' + url + '` failed with status: [' + this.status + ']')); } } }; }); } getJSON('/posts.json').then(function(json) { // on fulfillment }, function(reason) { // on rejection }); ``` Unlike callbacks, promises are great composable primitives. ```js Promise.all([ getJSON('/posts'), getJSON('/comments') ]).then(function(values){ values[0] // => postsJSON values[1] // => commentsJSON return values; }); ``` @class Promise @param {Function} resolver Useful for tooling. @constructor */ var Promise$1 = function () { function Promise(resolver) { this[PROMISE_ID] = nextId(); this._result = this._state = undefined; this._subscribers = []; if (noop !== resolver) { typeof resolver !=