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This function is given a Subscriber, to which new values + * can be `next`ed, or an `error` method can be called to raise an error, or + * `complete` can be called to notify of a successful completion. + */ + function Observable(subscribe) { + this._isScalar = false; + if (subscribe) { + this._subscribe = subscribe; + } + } + /** + * Creates a new Observable, with this Observable as the source, and the passed + * operator defined as the new observable's operator. + * @method lift + * @param {Operator} operator the operator defining the operation to take on the observable + * @return {Observable} a new observable with the Operator applied + */ + Observable.prototype.lift = function (operator) { + var observable = new Observable(); + observable.source = this; + observable.operator = operator; + return observable; + }; + /** + * Invokes an execution of an Observable and registers Observer handlers for notifications it will emit. + * + * Use it when you have all these Observables, but still nothing is happening. + * + * `subscribe` is not a regular operator, but a method that calls Observable's internal `subscribe` function. It + * might be for example a function that you passed to a {@link create} static factory, but most of the time it is + * a library implementation, which defines what and when will be emitted by an Observable. This means that calling + * `subscribe` is actually the moment when Observable starts its work, not when it is created, as it is often + * thought. + * + * Apart from starting the execution of an Observable, this method allows you to listen for values + * that an Observable emits, as well as for when it completes or errors. You can achieve this in two + * following ways. + * + * The first way is creating an object that implements {@link Observer} interface. It should have methods + * defined by that interface, but note that it should be just a regular JavaScript object, which you can create + * yourself in any way you want (ES6 class, classic function constructor, object literal etc.). In particular do + * not attempt to use any RxJS implementation details to create Observers - you don't need them. Remember also + * that your object does not have to implement all methods. If you find yourself creating a method that doesn't + * do anything, you can simply omit it. Note however, that if `error` method is not provided, all errors will + * be left uncaught. + * + * The second way is to give up on Observer object altogether and simply provide callback functions in place of its methods. + * This means you can provide three functions as arguments to `subscribe`, where first function is equivalent + * of a `next` method, second of an `error` method and third of a `complete` method. Just as in case of Observer, + * if you do not need to listen for something, you can omit a function, preferably by passing `undefined` or `null`, + * since `subscribe` recognizes these functions by where they were placed in function call. When it comes + * to `error` function, just as before, if not provided, errors emitted by an Observable will be thrown. + * + * Whatever style of calling `subscribe` you use, in both cases it returns a Subscription object. + * This object allows you to call `unsubscribe` on it, which in turn will stop work that an Observable does and will clean + * up all resources that an Observable used. Note that cancelling a subscription will not call `complete` callback + * provided to `subscribe` function, which is reserved for a regular completion signal that comes from an Observable. + * + * Remember that callbacks provided to `subscribe` are not guaranteed to be called asynchronously. + * It is an Observable itself that decides when these functions will be called. For example {@link of} + * by default emits all its values synchronously. Always check documentation for how given Observable + * will behave when subscribed and if its default behavior can be modified with a {@link Scheduler}. + * + * @example Subscribe with an Observer + * const sumObserver = { + * sum: 0, + * next(value) { + * console.log('Adding: ' + value); + * this.sum = this.sum + value; + * }, + * error() { // We actually could just remove this method, + * }, // since we do not really care about errors right now. + * complete() { + * console.log('Sum equals: ' + this.sum); + * } + * }; + * + * Rx.Observable.of(1, 2, 3) // Synchronously emits 1, 2, 3 and then completes. + * .subscribe(sumObserver); + * + * // Logs: + * // "Adding: 1" + * // "Adding: 2" + * // "Adding: 3" + * // "Sum equals: 6" + * + * + * @example Subscribe with functions + * let sum = 0; + * + * Rx.Observable.of(1, 2, 3) + * .subscribe( + * function(value) { + * console.log('Adding: ' + value); + * sum = sum + value; + * }, + * undefined, + * function() { + * console.log('Sum equals: ' + sum); + * } + * ); + * + * // Logs: + * // "Adding: 1" + * // "Adding: 2" + * // "Adding: 3" + * // "Sum equals: 6" + * + * + * @example Cancel a subscription + * const subscription = Rx.Observable.interval(1000).subscribe( + * num => console.log(num), + * undefined, + * () => console.log('completed!') // Will not be called, even + * ); // when cancelling subscription + * + * + * setTimeout(() => { + * subscription.unsubscribe(); + * console.log('unsubscribed!'); + * }, 2500); + * + * // Logs: + * // 0 after 1s + * // 1 after 2s + * // "unsubscribed!" after 2.5s + * + * + * @param {Observer|Function} observerOrNext (optional) Either an observer with methods to be called, + * or the first of three possible handlers, which is the handler for each value emitted from the subscribed + * Observable. + * @param {Function} error (optional) A handler for a terminal event resulting from an error. If no error handler is provided, + * the error will be thrown as unhandled. + * @param {Function} complete (optional) A handler for a terminal event resulting from successful completion. + * @return {ISubscription} a subscription reference to the registered handlers + * @method subscribe + */ + Observable.prototype.subscribe = function (observerOrNext, error, complete) { + var operator = this.operator; + var sink = toSubscriber_1.toSubscriber(observerOrNext, error, complete); + if (operator) { + operator.call(sink, this.source); + } + else { + sink.add(this.source || !sink.syncErrorThrowable ? this._subscribe(sink) : this._trySubscribe(sink)); + } + if (sink.syncErrorThrowable) { + sink.syncErrorThrowable = false; + if (sink.syncErrorThrown) { + throw sink.syncErrorValue; + } + } + return sink; + }; + Observable.prototype._trySubscribe = function (sink) { + try { + return this._subscribe(sink); + } + catch (err) { + sink.syncErrorThrown = true; + sink.syncErrorValue = err; + sink.error(err); + } + }; + /** + * @method forEach + * @param {Function} next a handler for each value emitted by the observable + * @param {PromiseConstructor} [PromiseCtor] a constructor function used to instantiate the Promise + * @return {Promise} a promise that either resolves on observable completion or + * rejects with the handled error + */ + Observable.prototype.forEach = function (next, PromiseCtor) { + var _this = this; + if (!PromiseCtor) { + if (root_1.root.Rx && root_1.root.Rx.config && root_1.root.Rx.config.Promise) { + PromiseCtor = root_1.root.Rx.config.Promise; + } + else if (root_1.root.Promise) { + PromiseCtor = root_1.root.Promise; + } + } + if (!PromiseCtor) { + throw new Error('no Promise impl found'); + } + return new PromiseCtor(function (resolve, reject) { + // Must be declared in a separate statement to avoid a RefernceError when + // accessing subscription below in the closure due to Temporal Dead Zone. + var subscription; + subscription = _this.subscribe(function (value) { + if (subscription) { + // if there is a subscription, then we can surmise + // the next handling is asynchronous. Any errors thrown + // need to be rejected explicitly and unsubscribe must be + // called manually + try { + next(value); + } + catch (err) { + reject(err); + subscription.unsubscribe(); + } + } + else { + // if there is NO subscription, then we're getting a nexted + // value synchronously during subscription. We can just call it. + // If it errors, Observable's `subscribe` will ensure the + // unsubscription logic is called, then synchronously rethrow the error. + // After that, Promise will trap the error and send it + // down the rejection path. + next(value); + } + }, reject, resolve); + }); + }; + /** @deprecated internal use only */ Observable.prototype._subscribe = function (subscriber) { + return this.source.subscribe(subscriber); + }; + /** + * An interop point defined by the es7-observable spec https://github.com/zenparsing/es-observable + * @method Symbol.observable + * @return {Observable} this instance of the observable + */ + Observable.prototype[observable_1.observable] = function () { + return this; + }; + /* tslint:enable:max-line-length */ + /** + * Used to stitch together functional operators into a chain. + * @method pipe + * @return {Observable} the Observable result of all of the operators having + * been called in the order they were passed in. + * + * @example + * + * import { map, filter, scan } from 'rxjs/operators'; + * + * Rx.Observable.interval(1000) + * .pipe( + * filter(x => x % 2 === 0), + * map(x => x + x), + * scan((acc, x) => acc + x) + * ) + * .subscribe(x => console.log(x)) + */ + Observable.prototype.pipe = function () { + var operations = []; + for (var _i = 0; _i < arguments.length; _i++) { + operations[_i - 0] = arguments[_i]; + } + if (operations.length === 0) { + return this; + } + return pipe_1.pipeFromArray(operations)(this); + }; + /* tslint:enable:max-line-length */ + Observable.prototype.toPromise = function (PromiseCtor) { + var _this = this; + if (!PromiseCtor) { + if (root_1.root.Rx && root_1.root.Rx.config && root_1.root.Rx.config.Promise) { + PromiseCtor = root_1.root.Rx.config.Promise; + } + else if (root_1.root.Promise) { + PromiseCtor = root_1.root.Promise; + } + } + if (!PromiseCtor) { + throw new Error('no Promise impl found'); + } + return new PromiseCtor(function (resolve, reject) { + var value; + _this.subscribe(function (x) { return value = x; }, function (err) { return reject(err); }, function () { return resolve(value); }); + }); + }; + // HACK: Since TypeScript inherits static properties too, we have to + // fight against TypeScript here so Subject can have a different static create signature + /** + * Creates a new cold Observable by calling the Observable constructor + * @static true + * @owner Observable + * @method create + * @param {Function} subscribe? the subscriber function to be passed to the Observable constructor + * @return {Observable} a new cold observable + */ + Observable.create = function (subscribe) { + return new Observable(subscribe); + }; + return Observable; +}()); +exports.Observable = Observable; +//# sourceMappingURL=Observable.js.map + +/***/ }), +/* 1 */ +/***/ (function(module, exports, __webpack_require__) { + +/* WEBPACK VAR INJECTION */(function(module) {var require;//! moment.js + +;(function (global, factory) { + true ? module.exports = factory() : + typeof define === 'function' && define.amd ? define(factory) : + global.moment = factory() +}(this, (function () { 'use strict'; + + var hookCallback; + + function hooks () { + return hookCallback.apply(null, arguments); + } + + // This is done to register the method called with moment() + // without creating circular dependencies. + function setHookCallback (callback) { + hookCallback = callback; + } + + function isArray(input) { + return input instanceof Array || Object.prototype.toString.call(input) === '[object Array]'; + } + + function isObject(input) { + // IE8 will treat undefined and null as object if it wasn't for + // input != null + return input != null && Object.prototype.toString.call(input) === '[object Object]'; + } + + function isObjectEmpty(obj) { + if (Object.getOwnPropertyNames) { + return (Object.getOwnPropertyNames(obj).length === 0); + } else { + var k; + for (k in obj) { + if (obj.hasOwnProperty(k)) { + return false; + } + } + return true; + } + } + + function isUndefined(input) { + return input === void 0; + } + + function isNumber(input) { + return typeof input === 'number' || Object.prototype.toString.call(input) === '[object Number]'; + } + + function isDate(input) { + return input instanceof Date || Object.prototype.toString.call(input) === '[object Date]'; + } + + function map(arr, fn) { + var res = [], i; + for (i = 0; i < arr.length; ++i) { + res.push(fn(arr[i], i)); + } + return res; + } + + function hasOwnProp(a, b) { + return Object.prototype.hasOwnProperty.call(a, b); + } + + function extend(a, b) { + for (var i in b) { + if (hasOwnProp(b, i)) { + a[i] = b[i]; + } + } + + if (hasOwnProp(b, 'toString')) { + a.toString = b.toString; + } + + if (hasOwnProp(b, 'valueOf')) { + a.valueOf = b.valueOf; + } + + return a; + } + + function createUTC (input, format, locale, strict) { + return createLocalOrUTC(input, format, locale, strict, true).utc(); + } + + function defaultParsingFlags() { + // We need to deep clone this object. + return { + empty : false, + unusedTokens : [], + unusedInput : [], + overflow : -2, + charsLeftOver : 0, + nullInput : false, + invalidMonth : null, + invalidFormat : false, + userInvalidated : false, + iso : false, + parsedDateParts : [], + meridiem : null, + rfc2822 : false, + weekdayMismatch : false + }; + } + + function getParsingFlags(m) { + if (m._pf == null) { + m._pf = defaultParsingFlags(); + } + return m._pf; + } + + var some; + if (Array.prototype.some) { + some = Array.prototype.some; + } else { + some = function (fun) { + var t = Object(this); + var len = t.length >>> 0; + + for (var i = 0; i < len; i++) { + if (i in t && fun.call(this, t[i], i, t)) { + return true; + } + } + + return false; + }; + } + + function isValid(m) { + if (m._isValid == null) { + var flags = getParsingFlags(m); + var parsedParts = some.call(flags.parsedDateParts, function (i) { + return i != null; + }); + var isNowValid = !isNaN(m._d.getTime()) && + flags.overflow < 0 && + !flags.empty && + !flags.invalidMonth && + !flags.invalidWeekday && + !flags.weekdayMismatch && + !flags.nullInput && + !flags.invalidFormat && + !flags.userInvalidated && + (!flags.meridiem || (flags.meridiem && parsedParts)); + + if (m._strict) { + isNowValid = isNowValid && + flags.charsLeftOver === 0 && + flags.unusedTokens.length === 0 && + flags.bigHour === undefined; + } + + if (Object.isFrozen == null || !Object.isFrozen(m)) { + m._isValid = isNowValid; + } + else { + return isNowValid; + } + } + return m._isValid; + } + + function createInvalid (flags) { + var m = createUTC(NaN); + if (flags != null) { + extend(getParsingFlags(m), flags); + } + else { + getParsingFlags(m).userInvalidated = true; + } + + return m; + } + + // Plugins that add properties should also add the key here (null value), + // so we can properly clone ourselves. + var momentProperties = hooks.momentProperties = []; + + function copyConfig(to, from) { + var i, prop, val; + + if (!isUndefined(from._isAMomentObject)) { + to._isAMomentObject = from._isAMomentObject; + } + if (!isUndefined(from._i)) { + to._i = from._i; + } + if (!isUndefined(from._f)) { + to._f = from._f; + } + if (!isUndefined(from._l)) { + to._l = from._l; + } + if (!isUndefined(from._strict)) { + to._strict = from._strict; + } + if (!isUndefined(from._tzm)) { + to._tzm = from._tzm; + } + if (!isUndefined(from._isUTC)) { + to._isUTC = from._isUTC; + } + if (!isUndefined(from._offset)) { + to._offset = from._offset; + } + if (!isUndefined(from._pf)) { + to._pf = getParsingFlags(from); + } + if (!isUndefined(from._locale)) { + to._locale = from._locale; + } + + if (momentProperties.length > 0) { + for (i = 0; i < momentProperties.length; i++) { + prop = momentProperties[i]; + val = from[prop]; + if (!isUndefined(val)) { + to[prop] = val; + } + } + } + + return to; + } + + var updateInProgress = false; + + // Moment prototype object + function Moment(config) { + copyConfig(this, config); + this._d = new Date(config._d != null ? config._d.getTime() : NaN); + if (!this.isValid()) { + this._d = new Date(NaN); + } + // Prevent infinite loop in case updateOffset creates new moment + // objects. + if (updateInProgress === false) { + updateInProgress = true; + hooks.updateOffset(this); + updateInProgress = false; + } + } + + function isMoment (obj) { + return obj instanceof Moment || (obj != null && obj._isAMomentObject != null); + } + + function absFloor (number) { + if (number < 0) { + // -0 -> 0 + return Math.ceil(number) || 0; + } else { + return Math.floor(number); + } + } + + function toInt(argumentForCoercion) { + var coercedNumber = +argumentForCoercion, + value = 0; + + if (coercedNumber !== 0 && isFinite(coercedNumber)) { + value = absFloor(coercedNumber); + } + + return value; + } + + // compare two arrays, return the number of differences + function compareArrays(array1, array2, dontConvert) { + var len = Math.min(array1.length, array2.length), + lengthDiff = Math.abs(array1.length - array2.length), + diffs = 0, + i; + for (i = 0; i < len; i++) { + if ((dontConvert && array1[i] !== array2[i]) || + (!dontConvert && toInt(array1[i]) !== toInt(array2[i]))) { + diffs++; + } + } + return diffs + lengthDiff; + } + + function warn(msg) { + if (hooks.suppressDeprecationWarnings === false && + (typeof console !== 'undefined') && console.warn) { + console.warn('Deprecation warning: ' + msg); + } + } + + function deprecate(msg, fn) { + var firstTime = true; + + return extend(function () { + if (hooks.deprecationHandler != null) { + hooks.deprecationHandler(null, msg); + } + if (firstTime) { + var args = []; + var arg; + for (var i = 0; i < arguments.length; i++) { + arg = ''; + if (typeof arguments[i] === 'object') { + arg += '\n[' + i + '] '; + for (var key in arguments[0]) { + arg += key + ': ' + arguments[0][key] + ', '; + } + arg = arg.slice(0, -2); // Remove trailing comma and space + } else { + arg = arguments[i]; + } + args.push(arg); + } + warn(msg + '\nArguments: ' + Array.prototype.slice.call(args).join('') + '\n' + (new Error()).stack); + firstTime = false; + } + return fn.apply(this, arguments); + }, fn); + } + + var deprecations = {}; + + function deprecateSimple(name, msg) { + if (hooks.deprecationHandler != null) { + hooks.deprecationHandler(name, msg); + } + if (!deprecations[name]) { + warn(msg); + deprecations[name] = true; + } + } + + hooks.suppressDeprecationWarnings = false; + hooks.deprecationHandler = null; + + function isFunction(input) { + return input instanceof Function || Object.prototype.toString.call(input) === '[object Function]'; + } + + function set (config) { + var prop, i; + for (i in config) { + prop = config[i]; + if (isFunction(prop)) { + this[i] = prop; + } else { + this['_' + i] = prop; + } + } + this._config = config; + // Lenient ordinal parsing accepts just a number in addition to + // number + (possibly) stuff coming from _dayOfMonthOrdinalParse. + // TODO: Remove "ordinalParse" fallback in next major release. + this._dayOfMonthOrdinalParseLenient = new RegExp( + (this._dayOfMonthOrdinalParse.source || this._ordinalParse.source) + + '|' + (/\d{1,2}/).source); + } + + function mergeConfigs(parentConfig, childConfig) { + var res = extend({}, parentConfig), prop; + for (prop in childConfig) { + if (hasOwnProp(childConfig, prop)) { + if (isObject(parentConfig[prop]) && isObject(childConfig[prop])) { + res[prop] = {}; + extend(res[prop], parentConfig[prop]); + extend(res[prop], childConfig[prop]); + } else if (childConfig[prop] != null) { + res[prop] = childConfig[prop]; + } else { + delete res[prop]; + } + } + } + for (prop in parentConfig) { + if (hasOwnProp(parentConfig, prop) && + !hasOwnProp(childConfig, prop) && + isObject(parentConfig[prop])) { + // make sure changes to properties don't modify parent config + res[prop] = extend({}, res[prop]); + } + } + return res; + } + + function Locale(config) { + if (config != null) { + this.set(config); + } + } + + var keys; + + if (Object.keys) { + keys = Object.keys; + } else { + keys = function (obj) { + var i, res = []; + for (i in obj) { + if (hasOwnProp(obj, i)) { + res.push(i); + } + } + return res; + }; + } + + var defaultCalendar = { + sameDay : '[Today at] LT', + nextDay : '[Tomorrow at] LT', + nextWeek : 'dddd [at] LT', + lastDay : '[Yesterday at] LT', + lastWeek : '[Last] dddd [at] LT', + sameElse : 'L' + }; + + function calendar (key, mom, now) { + var output = this._calendar[key] || this._calendar['sameElse']; + return isFunction(output) ? output.call(mom, now) : output; + } + + var defaultLongDateFormat = { + LTS : 'h:mm:ss A', + LT : 'h:mm A', + L : 'MM/DD/YYYY', + LL : 'MMMM D, YYYY', + LLL : 'MMMM D, YYYY h:mm A', + LLLL : 'dddd, MMMM D, YYYY h:mm A' + }; + + function longDateFormat (key) { + var format = this._longDateFormat[key], + formatUpper = this._longDateFormat[key.toUpperCase()]; + + if (format || !formatUpper) { + return format; + } + + this._longDateFormat[key] = formatUpper.replace(/MMMM|MM|DD|dddd/g, function (val) { + return val.slice(1); + }); + + return this._longDateFormat[key]; + } + + var defaultInvalidDate = 'Invalid date'; + + function invalidDate () { + return this._invalidDate; + } + + var defaultOrdinal = '%d'; + var defaultDayOfMonthOrdinalParse = /\d{1,2}/; + + function ordinal (number) { + return this._ordinal.replace('%d', number); + } + + var defaultRelativeTime = { + future : 'in %s', + past : '%s ago', + s : 'a few seconds', + ss : '%d seconds', + m : 'a minute', + mm : '%d minutes', + h : 'an hour', + hh : '%d hours', + d : 'a day', + dd : '%d days', + M : 'a month', + MM : '%d months', + y : 'a year', + yy : '%d years' + }; + + function relativeTime (number, withoutSuffix, string, isFuture) { + var output = this._relativeTime[string]; + return (isFunction(output)) ? + output(number, withoutSuffix, string, isFuture) : + output.replace(/%d/i, number); + } + + function pastFuture (diff, output) { + var format = this._relativeTime[diff > 0 ? 'future' : 'past']; + return isFunction(format) ? format(output) : format.replace(/%s/i, output); + } + + var aliases = {}; + + function addUnitAlias (unit, shorthand) { + var lowerCase = unit.toLowerCase(); + aliases[lowerCase] = aliases[lowerCase + 's'] = aliases[shorthand] = unit; + } + + function normalizeUnits(units) { + return typeof units === 'string' ? aliases[units] || aliases[units.toLowerCase()] : undefined; + } + + function normalizeObjectUnits(inputObject) { + var normalizedInput = {}, + normalizedProp, + prop; + + for (prop in inputObject) { + if (hasOwnProp(inputObject, prop)) { + normalizedProp = normalizeUnits(prop); + if (normalizedProp) { + normalizedInput[normalizedProp] = inputObject[prop]; + } + } + } + + return normalizedInput; + } + + var priorities = {}; + + function addUnitPriority(unit, priority) { + priorities[unit] = priority; + } + + function getPrioritizedUnits(unitsObj) { + var units = []; + for (var u in unitsObj) { + units.push({unit: u, priority: priorities[u]}); + } + units.sort(function (a, b) { + return a.priority - b.priority; + }); + return units; + } + + function zeroFill(number, targetLength, forceSign) { + var absNumber = '' + Math.abs(number), + zerosToFill = targetLength - absNumber.length, + sign = number >= 0; + return (sign ? (forceSign ? '+' : '') : '-') + + Math.pow(10, Math.max(0, zerosToFill)).toString().substr(1) + absNumber; + } + + var formattingTokens = /(\[[^\[]*\])|(\\)?([Hh]mm(ss)?|Mo|MM?M?M?|Do|DDDo|DD?D?D?|ddd?d?|do?|w[o|w]?|W[o|W]?|Qo?|YYYYYY|YYYYY|YYYY|YY|gg(ggg?)?|GG(GGG?)?|e|E|a|A|hh?|HH?|kk?|mm?|ss?|S{1,9}|x|X|zz?|ZZ?|.)/g; + + var localFormattingTokens = /(\[[^\[]*\])|(\\)?(LTS|LT|LL?L?L?|l{1,4})/g; + + var formatFunctions = {}; + + var formatTokenFunctions = {}; + + // token: 'M' + // padded: ['MM', 2] + // ordinal: 'Mo' + // callback: function () { this.month() + 1 } + function addFormatToken (token, padded, ordinal, callback) { + var func = callback; + if (typeof callback === 'string') { + func = function () { + return this[callback](); + }; + } + if (token) { + formatTokenFunctions[token] = func; + } + if (padded) { + formatTokenFunctions[padded[0]] = function () { + return zeroFill(func.apply(this, arguments), padded[1], padded[2]); + }; + } + if (ordinal) { + formatTokenFunctions[ordinal] = function () { + return this.localeData().ordinal(func.apply(this, arguments), token); + }; + } + } + + function removeFormattingTokens(input) { + if (input.match(/\[[\s\S]/)) { + return input.replace(/^\[|\]$/g, ''); + } + return input.replace(/\\/g, ''); + } + + function makeFormatFunction(format) { + var array = format.match(formattingTokens), i, length; + + for (i = 0, length = array.length; i < length; i++) { + if (formatTokenFunctions[array[i]]) { + array[i] = formatTokenFunctions[array[i]]; + } else { + array[i] = removeFormattingTokens(array[i]); + } + } + + return function (mom) { + var output = '', i; + for (i = 0; i < length; i++) { + output += isFunction(array[i]) ? array[i].call(mom, format) : array[i]; + } + return output; + }; + } + + // format date using native date object + function formatMoment(m, format) { + if (!m.isValid()) { + return m.localeData().invalidDate(); + } + + format = expandFormat(format, m.localeData()); + formatFunctions[format] = formatFunctions[format] || makeFormatFunction(format); + + return formatFunctions[format](m); + } + + function expandFormat(format, locale) { + var i = 5; + + function replaceLongDateFormatTokens(input) { + return locale.longDateFormat(input) || input; + } + + localFormattingTokens.lastIndex = 0; + while (i >= 0 && localFormattingTokens.test(format)) { + format = format.replace(localFormattingTokens, replaceLongDateFormatTokens); + localFormattingTokens.lastIndex = 0; + i -= 1; + } + + return format; + } + + var match1 = /\d/; // 0 - 9 + var match2 = /\d\d/; // 00 - 99 + var match3 = /\d{3}/; // 000 - 999 + var match4 = /\d{4}/; // 0000 - 9999 + var match6 = /[+-]?\d{6}/; // -999999 - 999999 + var match1to2 = /\d\d?/; // 0 - 99 + var match3to4 = /\d\d\d\d?/; // 999 - 9999 + var match5to6 = /\d\d\d\d\d\d?/; // 99999 - 999999 + var match1to3 = /\d{1,3}/; // 0 - 999 + var match1to4 = /\d{1,4}/; // 0 - 9999 + var match1to6 = /[+-]?\d{1,6}/; // -999999 - 999999 + + var matchUnsigned = /\d+/; // 0 - inf + var matchSigned = /[+-]?\d+/; // -inf - inf + + var matchOffset = /Z|[+-]\d\d:?\d\d/gi; // +00:00 -00:00 +0000 -0000 or Z + var matchShortOffset = /Z|[+-]\d\d(?::?\d\d)?/gi; // +00 -00 +00:00 -00:00 +0000 -0000 or Z + + var matchTimestamp = /[+-]?\d+(\.\d{1,3})?/; // 123456789 123456789.123 + + // any word (or two) characters or numbers including two/three word month in arabic. + // includes scottish gaelic two word and hyphenated months + var matchWord = /[0-9]{0,256}['a-z\u00A0-\u05FF\u0700-\uD7FF\uF900-\uFDCF\uFDF0-\uFF07\uFF10-\uFFEF]{1,256}|[\u0600-\u06FF\/]{1,256}(\s*?[\u0600-\u06FF]{1,256}){1,2}/i; + + var regexes = {}; + + function addRegexToken (token, regex, strictRegex) { + regexes[token] = isFunction(regex) ? regex : function (isStrict, localeData) { + return (isStrict && strictRegex) ? strictRegex : regex; + }; + } + + function getParseRegexForToken (token, config) { + if (!hasOwnProp(regexes, token)) { + return new RegExp(unescapeFormat(token)); + } + + return regexes[token](config._strict, config._locale); + } + + // Code from http://stackoverflow.com/questions/3561493/is-there-a-regexp-escape-function-in-javascript + function unescapeFormat(s) { + return regexEscape(s.replace('\\', '').replace(/\\(\[)|\\(\])|\[([^\]\[]*)\]|\\(.)/g, function (matched, p1, p2, p3, p4) { + return p1 || p2 || p3 || p4; + })); + } + + function regexEscape(s) { + return s.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&'); + } + + var tokens = {}; + + function addParseToken (token, callback) { + var i, func = callback; + if (typeof token === 'string') { + token = [token]; + } + if (isNumber(callback)) { + func = function (input, array) { + array[callback] = toInt(input); + }; + } + for (i = 0; i < token.length; i++) { + tokens[token[i]] = func; + } + } + + function addWeekParseToken (token, callback) { + addParseToken(token, function (input, array, config, token) { + config._w = config._w || {}; + callback(input, config._w, config, token); + }); + } + + function addTimeToArrayFromToken(token, input, config) { + if (input != null && hasOwnProp(tokens, token)) { + tokens[token](input, config._a, config, token); + } + } + + var YEAR = 0; + var MONTH = 1; + var DATE = 2; + var HOUR = 3; + var MINUTE = 4; + var SECOND = 5; + var MILLISECOND = 6; + var WEEK = 7; + var WEEKDAY = 8; + + // FORMATTING + + addFormatToken('Y', 0, 0, function () { + var y = this.year(); + return y <= 9999 ? '' + y : '+' + y; + }); + + addFormatToken(0, ['YY', 2], 0, function () { + return this.year() % 100; + }); + + addFormatToken(0, ['YYYY', 4], 0, 'year'); + addFormatToken(0, ['YYYYY', 5], 0, 'year'); + addFormatToken(0, ['YYYYYY', 6, true], 0, 'year'); + + // ALIASES + + addUnitAlias('year', 'y'); + + // PRIORITIES + + addUnitPriority('year', 1); + + // PARSING + + addRegexToken('Y', matchSigned); + addRegexToken('YY', match1to2, match2); + addRegexToken('YYYY', match1to4, match4); + addRegexToken('YYYYY', match1to6, match6); + addRegexToken('YYYYYY', match1to6, match6); + + addParseToken(['YYYYY', 'YYYYYY'], YEAR); + addParseToken('YYYY', function (input, array) { + array[YEAR] = input.length === 2 ? hooks.parseTwoDigitYear(input) : toInt(input); + }); + addParseToken('YY', function (input, array) { + array[YEAR] = hooks.parseTwoDigitYear(input); + }); + addParseToken('Y', function (input, array) { + array[YEAR] = parseInt(input, 10); + }); + + // HELPERS + + function daysInYear(year) { + return isLeapYear(year) ? 366 : 365; + } + + function isLeapYear(year) { + return (year % 4 === 0 && year % 100 !== 0) || year % 400 === 0; + } + + // HOOKS + + hooks.parseTwoDigitYear = function (input) { + return toInt(input) + (toInt(input) > 68 ? 1900 : 2000); + }; + + // MOMENTS + + var getSetYear = makeGetSet('FullYear', true); + + function getIsLeapYear () { + return isLeapYear(this.year()); + } + + function makeGetSet (unit, keepTime) { + return function (value) { + if (value != null) { + set$1(this, unit, value); + hooks.updateOffset(this, keepTime); + return this; + } else { + return get(this, unit); + } + }; + } + + function get (mom, unit) { + return mom.isValid() ? + mom._d['get' + (mom._isUTC ? 'UTC' : '') + unit]() : NaN; + } + + function set$1 (mom, unit, value) { + if (mom.isValid() && !isNaN(value)) { + if (unit === 'FullYear' && isLeapYear(mom.year()) && mom.month() === 1 && mom.date() === 29) { + mom._d['set' + (mom._isUTC ? 'UTC' : '') + unit](value, mom.month(), daysInMonth(value, mom.month())); + } + else { + mom._d['set' + (mom._isUTC ? 'UTC' : '') + unit](value); + } + } + } + + // MOMENTS + + function stringGet (units) { + units = normalizeUnits(units); + if (isFunction(this[units])) { + return this[units](); + } + return this; + } + + + function stringSet (units, value) { + if (typeof units === 'object') { + units = normalizeObjectUnits(units); + var prioritized = getPrioritizedUnits(units); + for (var i = 0; i < prioritized.length; i++) { + this[prioritized[i].unit](units[prioritized[i].unit]); + } + } else { + units = normalizeUnits(units); + if (isFunction(this[units])) { + return this[units](value); + } + } + return this; + } + + function mod(n, x) { + return ((n % x) + x) % x; + } + + var indexOf; + + if (Array.prototype.indexOf) { + indexOf = Array.prototype.indexOf; + } else { + indexOf = function (o) { + // I know + var i; + for (i = 0; i < this.length; ++i) { + if (this[i] === o) { + return i; + } + } + return -1; + }; + } + + function daysInMonth(year, month) { + if (isNaN(year) || isNaN(month)) { + return NaN; + } + var modMonth = mod(month, 12); + year += (month - modMonth) / 12; + return modMonth === 1 ? (isLeapYear(year) ? 29 : 28) : (31 - modMonth % 7 % 2); + } + + // FORMATTING + + addFormatToken('M', ['MM', 2], 'Mo', function () { + return this.month() + 1; + }); + + addFormatToken('MMM', 0, 0, function (format) { + return this.localeData().monthsShort(this, format); + }); + + addFormatToken('MMMM', 0, 0, function (format) { + return this.localeData().months(this, format); + }); + + // ALIASES + + addUnitAlias('month', 'M'); + + // PRIORITY + + addUnitPriority('month', 8); + + // PARSING + + addRegexToken('M', match1to2); + addRegexToken('MM', match1to2, match2); + addRegexToken('MMM', function (isStrict, locale) { + return locale.monthsShortRegex(isStrict); + }); + addRegexToken('MMMM', function (isStrict, locale) { + return locale.monthsRegex(isStrict); + }); + + addParseToken(['M', 'MM'], function (input, array) { + array[MONTH] = toInt(input) - 1; + }); + + addParseToken(['MMM', 'MMMM'], function (input, array, config, token) { + var month = config._locale.monthsParse(input, token, config._strict); + // if we didn't find a month name, mark the date as invalid. + if (month != null) { + array[MONTH] = month; + } else { + getParsingFlags(config).invalidMonth = input; + } + }); + + // LOCALES + + var MONTHS_IN_FORMAT = /D[oD]?(\[[^\[\]]*\]|\s)+MMMM?/; + var defaultLocaleMonths = 'January_February_March_April_May_June_July_August_September_October_November_December'.split('_'); + function localeMonths (m, format) { + if (!m) { + return isArray(this._months) ? this._months : + this._months['standalone']; + } + return isArray(this._months) ? this._months[m.month()] : + this._months[(this._months.isFormat || MONTHS_IN_FORMAT).test(format) ? 'format' : 'standalone'][m.month()]; + } + + var defaultLocaleMonthsShort = 'Jan_Feb_Mar_Apr_May_Jun_Jul_Aug_Sep_Oct_Nov_Dec'.split('_'); + function localeMonthsShort (m, format) { + if (!m) { + return isArray(this._monthsShort) ? this._monthsShort : + this._monthsShort['standalone']; + } + return isArray(this._monthsShort) ? this._monthsShort[m.month()] : + this._monthsShort[MONTHS_IN_FORMAT.test(format) ? 'format' : 'standalone'][m.month()]; + } + + function handleStrictParse(monthName, format, strict) { + var i, ii, mom, llc = monthName.toLocaleLowerCase(); + if (!this._monthsParse) { + // this is not used + this._monthsParse = []; + this._longMonthsParse = []; + this._shortMonthsParse = []; + for (i = 0; i < 12; ++i) { + mom = createUTC([2000, i]); + this._shortMonthsParse[i] = this.monthsShort(mom, '').toLocaleLowerCase(); + this._longMonthsParse[i] = this.months(mom, '').toLocaleLowerCase(); + } + } + + if (strict) { + if (format === 'MMM') { + ii = indexOf.call(this._shortMonthsParse, llc); + return ii !== -1 ? ii : null; + } else { + ii = indexOf.call(this._longMonthsParse, llc); + return ii !== -1 ? ii : null; + } + } else { + if (format === 'MMM') { + ii = indexOf.call(this._shortMonthsParse, llc); + if (ii !== -1) { + return ii; + } + ii = indexOf.call(this._longMonthsParse, llc); + return ii !== -1 ? ii : null; + } else { + ii = indexOf.call(this._longMonthsParse, llc); + if (ii !== -1) { + return ii; + } + ii = indexOf.call(this._shortMonthsParse, llc); + return ii !== -1 ? ii : null; + } + } + } + + function localeMonthsParse (monthName, format, strict) { + var i, mom, regex; + + if (this._monthsParseExact) { + return handleStrictParse.call(this, monthName, format, strict); + } + + if (!this._monthsParse) { + this._monthsParse = []; + this._longMonthsParse = []; + this._shortMonthsParse = []; + } + + // TODO: add sorting + // Sorting makes sure if one month (or abbr) is a prefix of another + // see sorting in computeMonthsParse + for (i = 0; i < 12; i++) { + // make the regex if we don't have it already + mom = createUTC([2000, i]); + if (strict && !this._longMonthsParse[i]) { + this._longMonthsParse[i] = new RegExp('^' + this.months(mom, '').replace('.', '') + '$', 'i'); + this._shortMonthsParse[i] = new RegExp('^' + this.monthsShort(mom, '').replace('.', '') + '$', 'i'); + } + if (!strict && !this._monthsParse[i]) { + regex = '^' + this.months(mom, '') + '|^' + this.monthsShort(mom, ''); + this._monthsParse[i] = new RegExp(regex.replace('.', ''), 'i'); + } + // test the regex + if (strict && format === 'MMMM' && this._longMonthsParse[i].test(monthName)) { + return i; + } else if (strict && format === 'MMM' && this._shortMonthsParse[i].test(monthName)) { + return i; + } else if (!strict && this._monthsParse[i].test(monthName)) { + return i; + } + } + } + + // MOMENTS + + function setMonth (mom, value) { + var dayOfMonth; + + if (!mom.isValid()) { + // No op + return mom; + } + + if (typeof value === 'string') { + if (/^\d+$/.test(value)) { + value = toInt(value); + } else { + value = mom.localeData().monthsParse(value); + // TODO: Another silent failure? + if (!isNumber(value)) { + return mom; + } + } + } + + dayOfMonth = Math.min(mom.date(), daysInMonth(mom.year(), value)); + mom._d['set' + (mom._isUTC ? 'UTC' : '') + 'Month'](value, dayOfMonth); + return mom; + } + + function getSetMonth (value) { + if (value != null) { + setMonth(this, value); + hooks.updateOffset(this, true); + return this; + } else { + return get(this, 'Month'); + } + } + + function getDaysInMonth () { + return daysInMonth(this.year(), this.month()); + } + + var defaultMonthsShortRegex = matchWord; + function monthsShortRegex (isStrict) { + if (this._monthsParseExact) { + if (!hasOwnProp(this, '_monthsRegex')) { + computeMonthsParse.call(this); + } + if (isStrict) { + return this._monthsShortStrictRegex; + } else { + return this._monthsShortRegex; + } + } else { + if (!hasOwnProp(this, '_monthsShortRegex')) { + this._monthsShortRegex = defaultMonthsShortRegex; + } + return this._monthsShortStrictRegex && isStrict ? + this._monthsShortStrictRegex : this._monthsShortRegex; + } + } + + var defaultMonthsRegex = matchWord; + function monthsRegex (isStrict) { + if (this._monthsParseExact) { + if (!hasOwnProp(this, '_monthsRegex')) { + computeMonthsParse.call(this); + } + if (isStrict) { + return this._monthsStrictRegex; + } else { + return this._monthsRegex; + } + } else { + if (!hasOwnProp(this, '_monthsRegex')) { + this._monthsRegex = defaultMonthsRegex; + } + return this._monthsStrictRegex && isStrict ? + this._monthsStrictRegex : this._monthsRegex; + } + } + + function computeMonthsParse () { + function cmpLenRev(a, b) { + return b.length - a.length; + } + + var shortPieces = [], longPieces = [], mixedPieces = [], + i, mom; + for (i = 0; i < 12; i++) { + // make the regex if we don't have it already + mom = createUTC([2000, i]); + shortPieces.push(this.monthsShort(mom, '')); + longPieces.push(this.months(mom, '')); + mixedPieces.push(this.months(mom, '')); + mixedPieces.push(this.monthsShort(mom, '')); + } + // Sorting makes sure if one month (or abbr) is a prefix of another it + // will match the longer piece. + shortPieces.sort(cmpLenRev); + longPieces.sort(cmpLenRev); + mixedPieces.sort(cmpLenRev); + for (i = 0; i < 12; i++) { + shortPieces[i] = regexEscape(shortPieces[i]); + longPieces[i] = regexEscape(longPieces[i]); + } + for (i = 0; i < 24; i++) { + mixedPieces[i] = regexEscape(mixedPieces[i]); + } + + this._monthsRegex = new RegExp('^(' + mixedPieces.join('|') + ')', 'i'); + this._monthsShortRegex = this._monthsRegex; + this._monthsStrictRegex = new RegExp('^(' + longPieces.join('|') + ')', 'i'); + this._monthsShortStrictRegex = new RegExp('^(' + shortPieces.join('|') + ')', 'i'); + } + + function createDate (y, m, d, h, M, s, ms) { + // can't just apply() to create a date: + // https://stackoverflow.com/q/181348 + var date = new Date(y, m, d, h, M, s, ms); + + // the date constructor remaps years 0-99 to 1900-1999 + if (y < 100 && y >= 0 && isFinite(date.getFullYear())) { + date.setFullYear(y); + } + return date; + } + + function createUTCDate (y) { + var date = new Date(Date.UTC.apply(null, arguments)); + + // the Date.UTC function remaps years 0-99 to 1900-1999 + if (y < 100 && y >= 0 && isFinite(date.getUTCFullYear())) { + date.setUTCFullYear(y); + } + return date; + } + + // start-of-first-week - start-of-year + function firstWeekOffset(year, dow, doy) { + var // first-week day -- which january is always in the first week (4 for iso, 1 for other) + fwd = 7 + dow - doy, + // first-week day local weekday -- which local weekday is fwd + fwdlw = (7 + createUTCDate(year, 0, fwd).getUTCDay() - dow) % 7; + + return -fwdlw + fwd - 1; + } + + // https://en.wikipedia.org/wiki/ISO_week_date#Calculating_a_date_given_the_year.2C_week_number_and_weekday + function dayOfYearFromWeeks(year, week, weekday, dow, doy) { + var localWeekday = (7 + weekday - dow) % 7, + weekOffset = firstWeekOffset(year, dow, doy), + dayOfYear = 1 + 7 * (week - 1) + localWeekday + weekOffset, + resYear, resDayOfYear; + + if (dayOfYear <= 0) { + resYear = year - 1; + resDayOfYear = daysInYear(resYear) + dayOfYear; + } else if (dayOfYear > daysInYear(year)) { + resYear = year + 1; + resDayOfYear = dayOfYear - daysInYear(year); + } else { + resYear = year; + resDayOfYear = dayOfYear; + } + + return { + year: resYear, + dayOfYear: resDayOfYear + }; + } + + function weekOfYear(mom, dow, doy) { + var weekOffset = firstWeekOffset(mom.year(), dow, doy), + week = Math.floor((mom.dayOfYear() - weekOffset - 1) / 7) + 1, + resWeek, resYear; + + if (week < 1) { + resYear = mom.year() - 1; + resWeek = week + weeksInYear(resYear, dow, doy); + } else if (week > weeksInYear(mom.year(), dow, doy)) { + resWeek = week - weeksInYear(mom.year(), dow, doy); + resYear = mom.year() + 1; + } else { + resYear = mom.year(); + resWeek = week; + } + + return { + week: resWeek, + year: resYear + }; + } + + function weeksInYear(year, dow, doy) { + var weekOffset = firstWeekOffset(year, dow, doy), + weekOffsetNext = firstWeekOffset(year + 1, dow, doy); + return (daysInYear(year) - weekOffset + weekOffsetNext) / 7; + } + + // FORMATTING + + addFormatToken('w', ['ww', 2], 'wo', 'week'); + addFormatToken('W', ['WW', 2], 'Wo', 'isoWeek'); + + // ALIASES + + addUnitAlias('week', 'w'); + addUnitAlias('isoWeek', 'W'); + + // PRIORITIES + + addUnitPriority('week', 5); + addUnitPriority('isoWeek', 5); + + // PARSING + + addRegexToken('w', match1to2); + addRegexToken('ww', match1to2, match2); + addRegexToken('W', match1to2); + addRegexToken('WW', match1to2, match2); + + addWeekParseToken(['w', 'ww', 'W', 'WW'], function (input, week, config, token) { + week[token.substr(0, 1)] = toInt(input); + }); + + // HELPERS + + // LOCALES + + function localeWeek (mom) { + return weekOfYear(mom, this._week.dow, this._week.doy).week; + } + + var defaultLocaleWeek = { + dow : 0, // Sunday is the first day of the week. + doy : 6 // The week that contains Jan 1st is the first week of the year. + }; + + function localeFirstDayOfWeek () { + return this._week.dow; + } + + function localeFirstDayOfYear () { + return this._week.doy; + } + + // MOMENTS + + function getSetWeek (input) { + var week = this.localeData().week(this); + return input == null ? week : this.add((input - week) * 7, 'd'); + } + + function getSetISOWeek (input) { + var week = weekOfYear(this, 1, 4).week; + return input == null ? week : this.add((input - week) * 7, 'd'); + } + + // FORMATTING + + addFormatToken('d', 0, 'do', 'day'); + + addFormatToken('dd', 0, 0, function (format) { + return this.localeData().weekdaysMin(this, format); + }); + + addFormatToken('ddd', 0, 0, function (format) { + return this.localeData().weekdaysShort(this, format); + }); + + addFormatToken('dddd', 0, 0, function (format) { + return this.localeData().weekdays(this, format); + }); + + addFormatToken('e', 0, 0, 'weekday'); + addFormatToken('E', 0, 0, 'isoWeekday'); + + // ALIASES + + addUnitAlias('day', 'd'); + addUnitAlias('weekday', 'e'); + addUnitAlias('isoWeekday', 'E'); + + // PRIORITY + addUnitPriority('day', 11); + addUnitPriority('weekday', 11); + addUnitPriority('isoWeekday', 11); + + // PARSING + + addRegexToken('d', match1to2); + addRegexToken('e', match1to2); + addRegexToken('E', match1to2); + addRegexToken('dd', function (isStrict, locale) { + return locale.weekdaysMinRegex(isStrict); + }); + addRegexToken('ddd', function (isStrict, locale) { + return locale.weekdaysShortRegex(isStrict); + }); + addRegexToken('dddd', function (isStrict, locale) { + return locale.weekdaysRegex(isStrict); + }); + + addWeekParseToken(['dd', 'ddd', 'dddd'], function (input, week, config, token) { + var weekday = config._locale.weekdaysParse(input, token, config._strict); + // if we didn't get a weekday name, mark the date as invalid + if (weekday != null) { + week.d = weekday; + } else { + getParsingFlags(config).invalidWeekday = input; + } + }); + + addWeekParseToken(['d', 'e', 'E'], function (input, week, config, token) { + week[token] = toInt(input); + }); + + // HELPERS + + function parseWeekday(input, locale) { + if (typeof input !== 'string') { + return input; + } + + if (!isNaN(input)) { + return parseInt(input, 10); + } + + input = locale.weekdaysParse(input); + if (typeof input === 'number') { + return input; + } + + return null; + } + + function parseIsoWeekday(input, locale) { + if (typeof input === 'string') { + return locale.weekdaysParse(input) % 7 || 7; + } + return isNaN(input) ? null : input; + } + + // LOCALES + + var defaultLocaleWeekdays = 'Sunday_Monday_Tuesday_Wednesday_Thursday_Friday_Saturday'.split('_'); + function localeWeekdays (m, format) { + if (!m) { + return isArray(this._weekdays) ? this._weekdays : + this._weekdays['standalone']; + } + return isArray(this._weekdays) ? this._weekdays[m.day()] : + this._weekdays[this._weekdays.isFormat.test(format) ? 'format' : 'standalone'][m.day()]; + } + + var defaultLocaleWeekdaysShort = 'Sun_Mon_Tue_Wed_Thu_Fri_Sat'.split('_'); + function localeWeekdaysShort (m) { + return (m) ? this._weekdaysShort[m.day()] : this._weekdaysShort; + } + + var defaultLocaleWeekdaysMin = 'Su_Mo_Tu_We_Th_Fr_Sa'.split('_'); + function localeWeekdaysMin (m) { + return (m) ? this._weekdaysMin[m.day()] : this._weekdaysMin; + } + + function handleStrictParse$1(weekdayName, format, strict) { + var i, ii, mom, llc = weekdayName.toLocaleLowerCase(); + if (!this._weekdaysParse) { + this._weekdaysParse = []; + this._shortWeekdaysParse = []; + this._minWeekdaysParse = []; + + for (i = 0; i < 7; ++i) { + mom = createUTC([2000, 1]).day(i); + this._minWeekdaysParse[i] = this.weekdaysMin(mom, '').toLocaleLowerCase(); + this._shortWeekdaysParse[i] = this.weekdaysShort(mom, '').toLocaleLowerCase(); + this._weekdaysParse[i] = this.weekdays(mom, '').toLocaleLowerCase(); + } + } + + if (strict) { + if (format === 'dddd') { + ii = indexOf.call(this._weekdaysParse, llc); + return ii !== -1 ? ii : null; + } else if (format === 'ddd') { + ii = indexOf.call(this._shortWeekdaysParse, llc); + return ii !== -1 ? ii : null; + } else { + ii = indexOf.call(this._minWeekdaysParse, llc); + return ii !== -1 ? ii : null; + } + } else { + if (format === 'dddd') { + ii = indexOf.call(this._weekdaysParse, llc); + if (ii !== -1) { + return ii; + } + ii = indexOf.call(this._shortWeekdaysParse, llc); + if (ii !== -1) { + return ii; + } + ii = indexOf.call(this._minWeekdaysParse, llc); + return ii !== -1 ? ii : null; + } else if (format === 'ddd') { + ii = indexOf.call(this._shortWeekdaysParse, llc); + if (ii !== -1) { + return ii; + } + ii = indexOf.call(this._weekdaysParse, llc); + if (ii !== -1) { + return ii; + } + ii = indexOf.call(this._minWeekdaysParse, llc); + return ii !== -1 ? ii : null; + } else { + ii = indexOf.call(this._minWeekdaysParse, llc); + if (ii !== -1) { + return ii; + } + ii = indexOf.call(this._weekdaysParse, llc); + if (ii !== -1) { + return ii; + } + ii = indexOf.call(this._shortWeekdaysParse, llc); + return ii !== -1 ? ii : null; + } + } + } + + function localeWeekdaysParse (weekdayName, format, strict) { + var i, mom, regex; + + if (this._weekdaysParseExact) { + return handleStrictParse$1.call(this, weekdayName, format, strict); + } + + if (!this._weekdaysParse) { + this._weekdaysParse = []; + this._minWeekdaysParse = []; + this._shortWeekdaysParse = []; + this._fullWeekdaysParse = []; + } + + for (i = 0; i < 7; i++) { + // make the regex if we don't have it already + + mom = createUTC([2000, 1]).day(i); + if (strict && !this._fullWeekdaysParse[i]) { + this._fullWeekdaysParse[i] = new RegExp('^' + this.weekdays(mom, '').replace('.', '\.?') + '$', 'i'); + this._shortWeekdaysParse[i] = new RegExp('^' + this.weekdaysShort(mom, '').replace('.', '\.?') + '$', 'i'); + this._minWeekdaysParse[i] = new RegExp('^' + this.weekdaysMin(mom, '').replace('.', '\.?') + '$', 'i'); + } + if (!this._weekdaysParse[i]) { + regex = '^' + this.weekdays(mom, '') + '|^' + this.weekdaysShort(mom, '') + '|^' + this.weekdaysMin(mom, ''); + this._weekdaysParse[i] = new RegExp(regex.replace('.', ''), 'i'); + } + // test the regex + if (strict && format === 'dddd' && this._fullWeekdaysParse[i].test(weekdayName)) { + return i; + } else if (strict && format === 'ddd' && this._shortWeekdaysParse[i].test(weekdayName)) { + return i; + } else if (strict && format === 'dd' && this._minWeekdaysParse[i].test(weekdayName)) { + return i; + } else if (!strict && this._weekdaysParse[i].test(weekdayName)) { + return i; + } + } + } + + // MOMENTS + + function getSetDayOfWeek (input) { + if (!this.isValid()) { + return input != null ? this : NaN; + } + var day = this._isUTC ? this._d.getUTCDay() : this._d.getDay(); + if (input != null) { + input = parseWeekday(input, this.localeData()); + return this.add(input - day, 'd'); + } else { + return day; + } + } + + function getSetLocaleDayOfWeek (input) { + if (!this.isValid()) { + return input != null ? this : NaN; + } + var weekday = (this.day() + 7 - this.localeData()._week.dow) % 7; + return input == null ? weekday : this.add(input - weekday, 'd'); + } + + function getSetISODayOfWeek (input) { + if (!this.isValid()) { + return input != null ? this : NaN; + } + + // behaves the same as moment#day except + // as a getter, returns 7 instead of 0 (1-7 range instead of 0-6) + // as a setter, sunday should belong to the previous week. + + if (input != null) { + var weekday = parseIsoWeekday(input, this.localeData()); + return this.day(this.day() % 7 ? weekday : weekday - 7); + } else { + return this.day() || 7; + } + } + + var defaultWeekdaysRegex = matchWord; + function weekdaysRegex (isStrict) { + if (this._weekdaysParseExact) { + if (!hasOwnProp(this, '_weekdaysRegex')) { + computeWeekdaysParse.call(this); + } + if (isStrict) { + return this._weekdaysStrictRegex; + } else { + return this._weekdaysRegex; + } + } else { + if (!hasOwnProp(this, '_weekdaysRegex')) { + this._weekdaysRegex = defaultWeekdaysRegex; + } + return this._weekdaysStrictRegex && isStrict ? + this._weekdaysStrictRegex : this._weekdaysRegex; + } + } + + var defaultWeekdaysShortRegex = matchWord; + function weekdaysShortRegex (isStrict) { + if (this._weekdaysParseExact) { + if (!hasOwnProp(this, '_weekdaysRegex')) { + computeWeekdaysParse.call(this); + } + if (isStrict) { + return this._weekdaysShortStrictRegex; + } else { + return this._weekdaysShortRegex; + } + } else { + if (!hasOwnProp(this, '_weekdaysShortRegex')) { + this._weekdaysShortRegex = defaultWeekdaysShortRegex; + } + return this._weekdaysShortStrictRegex && isStrict ? + this._weekdaysShortStrictRegex : this._weekdaysShortRegex; + } + } + + var defaultWeekdaysMinRegex = matchWord; + function weekdaysMinRegex (isStrict) { + if (this._weekdaysParseExact) { + if (!hasOwnProp(this, '_weekdaysRegex')) { + computeWeekdaysParse.call(this); + } + if (isStrict) { + return this._weekdaysMinStrictRegex; + } else { + return this._weekdaysMinRegex; + } + } else { + if (!hasOwnProp(this, '_weekdaysMinRegex')) { + this._weekdaysMinRegex = defaultWeekdaysMinRegex; + } + return this._weekdaysMinStrictRegex && isStrict ? + this._weekdaysMinStrictRegex : this._weekdaysMinRegex; + } + } + + + function computeWeekdaysParse () { + function cmpLenRev(a, b) { + return b.length - a.length; + } + + var minPieces = [], shortPieces = [], longPieces = [], mixedPieces = [], + i, mom, minp, shortp, longp; + for (i = 0; i < 7; i++) { + // make the regex if we don't have it already + mom = createUTC([2000, 1]).day(i); + minp = this.weekdaysMin(mom, ''); + shortp = this.weekdaysShort(mom, ''); + longp = this.weekdays(mom, ''); + minPieces.push(minp); + shortPieces.push(shortp); + longPieces.push(longp); + mixedPieces.push(minp); + mixedPieces.push(shortp); + mixedPieces.push(longp); + } + // Sorting makes sure if one weekday (or abbr) is a prefix of another it + // will match the longer piece. + minPieces.sort(cmpLenRev); + shortPieces.sort(cmpLenRev); + longPieces.sort(cmpLenRev); + mixedPieces.sort(cmpLenRev); + for (i = 0; i < 7; i++) { + shortPieces[i] = regexEscape(shortPieces[i]); + longPieces[i] = regexEscape(longPieces[i]); + mixedPieces[i] = regexEscape(mixedPieces[i]); + } + + this._weekdaysRegex = new RegExp('^(' + mixedPieces.join('|') + ')', 'i'); + this._weekdaysShortRegex = this._weekdaysRegex; + this._weekdaysMinRegex = this._weekdaysRegex; + + this._weekdaysStrictRegex = new RegExp('^(' + longPieces.join('|') + ')', 'i'); + this._weekdaysShortStrictRegex = new RegExp('^(' + shortPieces.join('|') + ')', 'i'); + this._weekdaysMinStrictRegex = new RegExp('^(' + minPieces.join('|') + ')', 'i'); + } + + // FORMATTING + + function hFormat() { + return this.hours() % 12 || 12; + } + + function kFormat() { + return this.hours() || 24; + } + + addFormatToken('H', ['HH', 2], 0, 'hour'); + addFormatToken('h', ['hh', 2], 0, hFormat); + addFormatToken('k', ['kk', 2], 0, kFormat); + + addFormatToken('hmm', 0, 0, function () { + return '' + hFormat.apply(this) + zeroFill(this.minutes(), 2); + }); + + addFormatToken('hmmss', 0, 0, function () { + return '' + hFormat.apply(this) + zeroFill(this.minutes(), 2) + + zeroFill(this.seconds(), 2); + }); + + addFormatToken('Hmm', 0, 0, function () { + return '' + this.hours() + zeroFill(this.minutes(), 2); + }); + + addFormatToken('Hmmss', 0, 0, function () { + return '' + this.hours() + zeroFill(this.minutes(), 2) + + zeroFill(this.seconds(), 2); + }); + + function meridiem (token, lowercase) { + addFormatToken(token, 0, 0, function () { + return this.localeData().meridiem(this.hours(), this.minutes(), lowercase); + }); + } + + meridiem('a', true); + meridiem('A', false); + + // ALIASES + + addUnitAlias('hour', 'h'); + + // PRIORITY + addUnitPriority('hour', 13); + + // PARSING + + function matchMeridiem (isStrict, locale) { + return locale._meridiemParse; + } + + addRegexToken('a', matchMeridiem); + addRegexToken('A', matchMeridiem); + addRegexToken('H', match1to2); + addRegexToken('h', match1to2); + addRegexToken('k', match1to2); + addRegexToken('HH', match1to2, match2); + addRegexToken('hh', match1to2, match2); + addRegexToken('kk', match1to2, match2); + + addRegexToken('hmm', match3to4); + addRegexToken('hmmss', match5to6); + addRegexToken('Hmm', match3to4); + addRegexToken('Hmmss', match5to6); + + addParseToken(['H', 'HH'], HOUR); + addParseToken(['k', 'kk'], function (input, array, config) { + var kInput = toInt(input); + array[HOUR] = kInput === 24 ? 0 : kInput; + }); + addParseToken(['a', 'A'], function (input, array, config) { + config._isPm = config._locale.isPM(input); + config._meridiem = input; + }); + addParseToken(['h', 'hh'], function (input, array, config) { + array[HOUR] = toInt(input); + getParsingFlags(config).bigHour = true; + }); + addParseToken('hmm', function (input, array, config) { + var pos = input.length - 2; + array[HOUR] = toInt(input.substr(0, pos)); + array[MINUTE] = toInt(input.substr(pos)); + getParsingFlags(config).bigHour = true; + }); + addParseToken('hmmss', function (input, array, config) { + var pos1 = input.length - 4; + var pos2 = input.length - 2; + array[HOUR] = toInt(input.substr(0, pos1)); + array[MINUTE] = toInt(input.substr(pos1, 2)); + array[SECOND] = toInt(input.substr(pos2)); + getParsingFlags(config).bigHour = true; + }); + addParseToken('Hmm', function (input, array, config) { + var pos = input.length - 2; + array[HOUR] = toInt(input.substr(0, pos)); + array[MINUTE] = toInt(input.substr(pos)); + }); + addParseToken('Hmmss', function (input, array, config) { + var pos1 = input.length - 4; + var pos2 = input.length - 2; + array[HOUR] = toInt(input.substr(0, pos1)); + array[MINUTE] = toInt(input.substr(pos1, 2)); + array[SECOND] = toInt(input.substr(pos2)); + }); + + // LOCALES + + function localeIsPM (input) { + // IE8 Quirks Mode & IE7 Standards Mode do not allow accessing strings like arrays + // Using charAt should be more compatible. + return ((input + '').toLowerCase().charAt(0) === 'p'); + } + + var defaultLocaleMeridiemParse = /[ap]\.?m?\.?/i; + function localeMeridiem (hours, minutes, isLower) { + if (hours > 11) { + return isLower ? 'pm' : 'PM'; + } else { + return isLower ? 'am' : 'AM'; + } + } + + + // MOMENTS + + // Setting the hour should keep the time, because the user explicitly + // specified which hour they want. So trying to maintain the same hour (in + // a new timezone) makes sense. Adding/subtracting hours does not follow + // this rule. + var getSetHour = makeGetSet('Hours', true); + + var baseConfig = { + calendar: defaultCalendar, + longDateFormat: defaultLongDateFormat, + invalidDate: defaultInvalidDate, + ordinal: defaultOrdinal, + dayOfMonthOrdinalParse: defaultDayOfMonthOrdinalParse, + relativeTime: defaultRelativeTime, + + months: defaultLocaleMonths, + monthsShort: defaultLocaleMonthsShort, + + week: defaultLocaleWeek, + + weekdays: defaultLocaleWeekdays, + weekdaysMin: defaultLocaleWeekdaysMin, + weekdaysShort: defaultLocaleWeekdaysShort, + + meridiemParse: defaultLocaleMeridiemParse + }; + + // internal storage for locale config files + var locales = {}; + var localeFamilies = {}; + var globalLocale; + + function normalizeLocale(key) { + return key ? key.toLowerCase().replace('_', '-') : key; + } + + // pick the locale from the array + // try ['en-au', 'en-gb'] as 'en-au', 'en-gb', 'en', as in move through the list trying each + // substring from most specific to least, but move to the next array item if it's a more specific variant than the current root + function chooseLocale(names) { + var i = 0, j, next, locale, split; + + while (i < names.length) { + split = normalizeLocale(names[i]).split('-'); + j = split.length; + next = normalizeLocale(names[i + 1]); + next = next ? next.split('-') : null; + while (j > 0) { + locale = loadLocale(split.slice(0, j).join('-')); + if (locale) { + return locale; + } + if (next && next.length >= j && compareArrays(split, next, true) >= j - 1) { + //the next array item is better than a shallower substring of this one + break; + } + j--; + } + i++; + } + return globalLocale; + } + + function loadLocale(name) { + var oldLocale = null; + // TODO: Find a better way to register and load all the locales in Node + if (!locales[name] && (typeof module !== 'undefined') && + module && module.exports) { + try { + oldLocale = globalLocale._abbr; + var aliasedRequire = require; + __webpack_require__(630)("./" + name); + getSetGlobalLocale(oldLocale); + } catch (e) {} + } + return locales[name]; + } + + // This function will load locale and then set the global locale. If + // no arguments are passed in, it will simply return the current global + // locale key. + function getSetGlobalLocale (key, values) { + var data; + if (key) { + if (isUndefined(values)) { + data = getLocale(key); + } + else { + data = defineLocale(key, values); + } + + if (data) { + // moment.duration._locale = moment._locale = data; + globalLocale = data; + } + else { + if ((typeof console !== 'undefined') && console.warn) { + //warn user if arguments are passed but the locale could not be set + console.warn('Locale ' + key + ' not found. Did you forget to load it?'); + } + } + } + + return globalLocale._abbr; + } + + function defineLocale (name, config) { + if (config !== null) { + var locale, parentConfig = baseConfig; + config.abbr = name; + if (locales[name] != null) { + deprecateSimple('defineLocaleOverride', + 'use moment.updateLocale(localeName, config) to change ' + + 'an existing locale. moment.defineLocale(localeName, ' + + 'config) should only be used for creating a new locale ' + + 'See http://momentjs.com/guides/#/warnings/define-locale/ for more info.'); + parentConfig = locales[name]._config; + } else if (config.parentLocale != null) { + if (locales[config.parentLocale] != null) { + parentConfig = locales[config.parentLocale]._config; + } else { + locale = loadLocale(config.parentLocale); + if (locale != null) { + parentConfig = locale._config; + } else { + if (!localeFamilies[config.parentLocale]) { + localeFamilies[config.parentLocale] = []; + } + localeFamilies[config.parentLocale].push({ + name: name, + config: config + }); + return null; + } + } + } + locales[name] = new Locale(mergeConfigs(parentConfig, config)); + + if (localeFamilies[name]) { + localeFamilies[name].forEach(function (x) { + defineLocale(x.name, x.config); + }); + } + + // backwards compat for now: also set the locale + // make sure we set the locale AFTER all child locales have been + // created, so we won't end up with the child locale set. + getSetGlobalLocale(name); + + + return locales[name]; + } else { + // useful for testing + delete locales[name]; + return null; + } + } + + function updateLocale(name, config) { + if (config != null) { + var locale, tmpLocale, parentConfig = baseConfig; + // MERGE + tmpLocale = loadLocale(name); + if (tmpLocale != null) { + parentConfig = tmpLocale._config; + } + config = mergeConfigs(parentConfig, config); + locale = new Locale(config); + locale.parentLocale = locales[name]; + locales[name] = locale; + + // backwards compat for now: also set the locale + getSetGlobalLocale(name); + } else { + // pass null for config to unupdate, useful for tests + if (locales[name] != null) { + if (locales[name].parentLocale != null) { + locales[name] = locales[name].parentLocale; + } else if (locales[name] != null) { + delete locales[name]; + } + } + } + return locales[name]; + } + + // returns locale data + function getLocale (key) { + var locale; + + if (key && key._locale && key._locale._abbr) { + key = key._locale._abbr; + } + + if (!key) { + return globalLocale; + } + + if (!isArray(key)) { + //short-circuit everything else + locale = loadLocale(key); + if (locale) { + return locale; + } + key = [key]; + } + + return chooseLocale(key); + } + + function listLocales() { + return keys(locales); + } + + function checkOverflow (m) { + var overflow; + var a = m._a; + + if (a && getParsingFlags(m).overflow === -2) { + overflow = + a[MONTH] < 0 || a[MONTH] > 11 ? MONTH : + a[DATE] < 1 || a[DATE] > daysInMonth(a[YEAR], a[MONTH]) ? DATE : + a[HOUR] < 0 || a[HOUR] > 24 || (a[HOUR] === 24 && (a[MINUTE] !== 0 || a[SECOND] !== 0 || a[MILLISECOND] !== 0)) ? HOUR : + a[MINUTE] < 0 || a[MINUTE] > 59 ? MINUTE : + a[SECOND] < 0 || a[SECOND] > 59 ? SECOND : + a[MILLISECOND] < 0 || a[MILLISECOND] > 999 ? MILLISECOND : + -1; + + if (getParsingFlags(m)._overflowDayOfYear && (overflow < YEAR || overflow > DATE)) { + overflow = DATE; + } + if (getParsingFlags(m)._overflowWeeks && overflow === -1) { + overflow = WEEK; + } + if (getParsingFlags(m)._overflowWeekday && overflow === -1) { + overflow = WEEKDAY; + } + + getParsingFlags(m).overflow = overflow; + } + + return m; + } + + // Pick the first defined of two or three arguments. + function defaults(a, b, c) { + if (a != null) { + return a; + } + if (b != null) { + return b; + } + return c; + } + + function currentDateArray(config) { + // hooks is actually the exported moment object + var nowValue = new Date(hooks.now()); + if (config._useUTC) { + return [nowValue.getUTCFullYear(), nowValue.getUTCMonth(), nowValue.getUTCDate()]; + } + return [nowValue.getFullYear(), nowValue.getMonth(), nowValue.getDate()]; + } + + // convert an array to a date. + // the array should mirror the parameters below + // note: all values past the year are optional and will default to the lowest possible value. + // [year, month, day , hour, minute, second, millisecond] + function configFromArray (config) { + var i, date, input = [], currentDate, expectedWeekday, yearToUse; + + if (config._d) { + return; + } + + currentDate = currentDateArray(config); + + //compute day of the year from weeks and weekdays + if (config._w && config._a[DATE] == null && config._a[MONTH] == null) { + dayOfYearFromWeekInfo(config); + } + + //if the day of the year is set, figure out what it is + if (config._dayOfYear != null) { + yearToUse = defaults(config._a[YEAR], currentDate[YEAR]); + + if (config._dayOfYear > daysInYear(yearToUse) || config._dayOfYear === 0) { + getParsingFlags(config)._overflowDayOfYear = true; + } + + date = createUTCDate(yearToUse, 0, config._dayOfYear); + config._a[MONTH] = date.getUTCMonth(); + config._a[DATE] = date.getUTCDate(); + } + + // Default to current date. + // * if no year, month, day of month are given, default to today + // * if day of month is given, default month and year + // * if month is given, default only year + // * if year is given, don't default anything + for (i = 0; i < 3 && config._a[i] == null; ++i) { + config._a[i] = input[i] = currentDate[i]; + } + + // Zero out whatever was not defaulted, including time + for (; i < 7; i++) { + config._a[i] = input[i] = (config._a[i] == null) ? (i === 2 ? 1 : 0) : config._a[i]; + } + + // Check for 24:00:00.000 + if (config._a[HOUR] === 24 && + config._a[MINUTE] === 0 && + config._a[SECOND] === 0 && + config._a[MILLISECOND] === 0) { + config._nextDay = true; + config._a[HOUR] = 0; + } + + config._d = (config._useUTC ? createUTCDate : createDate).apply(null, input); + expectedWeekday = config._useUTC ? config._d.getUTCDay() : config._d.getDay(); + + // Apply timezone offset from input. The actual utcOffset can be changed + // with parseZone. + if (config._tzm != null) { + config._d.setUTCMinutes(config._d.getUTCMinutes() - config._tzm); + } + + if (config._nextDay) { + config._a[HOUR] = 24; + } + + // check for mismatching day of week + if (config._w && typeof config._w.d !== 'undefined' && config._w.d !== expectedWeekday) { + getParsingFlags(config).weekdayMismatch = true; + } + } + + function dayOfYearFromWeekInfo(config) { + var w, weekYear, week, weekday, dow, doy, temp, weekdayOverflow; + + w = config._w; + if (w.GG != null || w.W != null || w.E != null) { + dow = 1; + doy = 4; + + // TODO: We need to take the current isoWeekYear, but that depends on + // how we interpret now (local, utc, fixed offset). So create + // a now version of current config (take local/utc/offset flags, and + // create now). + weekYear = defaults(w.GG, config._a[YEAR], weekOfYear(createLocal(), 1, 4).year); + week = defaults(w.W, 1); + weekday = defaults(w.E, 1); + if (weekday < 1 || weekday > 7) { + weekdayOverflow = true; + } + } else { + dow = config._locale._week.dow; + doy = config._locale._week.doy; + + var curWeek = weekOfYear(createLocal(), dow, doy); + + weekYear = defaults(w.gg, config._a[YEAR], curWeek.year); + + // Default to current week. + week = defaults(w.w, curWeek.week); + + if (w.d != null) { + // weekday -- low day numbers are considered next week + weekday = w.d; + if (weekday < 0 || weekday > 6) { + weekdayOverflow = true; + } + } else if (w.e != null) { + // local weekday -- counting starts from begining of week + weekday = w.e + dow; + if (w.e < 0 || w.e > 6) { + weekdayOverflow = true; + } + } else { + // default to begining of week + weekday = dow; + } + } + if (week < 1 || week > weeksInYear(weekYear, dow, doy)) { + getParsingFlags(config)._overflowWeeks = true; + } else if (weekdayOverflow != null) { + getParsingFlags(config)._overflowWeekday = true; + } else { + temp = dayOfYearFromWeeks(weekYear, week, weekday, dow, doy); + config._a[YEAR] = temp.year; + config._dayOfYear = temp.dayOfYear; + } + } + + // iso 8601 regex + // 0000-00-00 0000-W00 or 0000-W00-0 + T + 00 or 00:00 or 00:00:00 or 00:00:00.000 + +00:00 or +0000 or +00) + var extendedIsoRegex = /^\s*((?:[+-]\d{6}|\d{4})-(?:\d\d-\d\d|W\d\d-\d|W\d\d|\d\d\d|\d\d))(?:(T| )(\d\d(?::\d\d(?::\d\d(?:[.,]\d+)?)?)?)([\+\-]\d\d(?::?\d\d)?|\s*Z)?)?$/; + var basicIsoRegex = /^\s*((?:[+-]\d{6}|\d{4})(?:\d\d\d\d|W\d\d\d|W\d\d|\d\d\d|\d\d))(?:(T| )(\d\d(?:\d\d(?:\d\d(?:[.,]\d+)?)?)?)([\+\-]\d\d(?::?\d\d)?|\s*Z)?)?$/; + + var tzRegex = /Z|[+-]\d\d(?::?\d\d)?/; + + var isoDates = [ + ['YYYYYY-MM-DD', /[+-]\d{6}-\d\d-\d\d/], + ['YYYY-MM-DD', /\d{4}-\d\d-\d\d/], + ['GGGG-[W]WW-E', /\d{4}-W\d\d-\d/], + ['GGGG-[W]WW', /\d{4}-W\d\d/, false], + ['YYYY-DDD', /\d{4}-\d{3}/], + ['YYYY-MM', /\d{4}-\d\d/, false], + ['YYYYYYMMDD', /[+-]\d{10}/], + ['YYYYMMDD', /\d{8}/], + // YYYYMM is NOT allowed by the standard + ['GGGG[W]WWE', /\d{4}W\d{3}/], + ['GGGG[W]WW', /\d{4}W\d{2}/, false], + ['YYYYDDD', /\d{7}/] + ]; + + // iso time formats and regexes + var isoTimes = [ + ['HH:mm:ss.SSSS', /\d\d:\d\d:\d\d\.\d+/], + ['HH:mm:ss,SSSS', /\d\d:\d\d:\d\d,\d+/], + ['HH:mm:ss', /\d\d:\d\d:\d\d/], + ['HH:mm', /\d\d:\d\d/], + ['HHmmss.SSSS', /\d\d\d\d\d\d\.\d+/], + ['HHmmss,SSSS', /\d\d\d\d\d\d,\d+/], + ['HHmmss', /\d\d\d\d\d\d/], + ['HHmm', /\d\d\d\d/], + ['HH', /\d\d/] + ]; + + var aspNetJsonRegex = /^\/?Date\((\-?\d+)/i; + + // date from iso format + function configFromISO(config) { + var i, l, + string = config._i, + match = extendedIsoRegex.exec(string) || basicIsoRegex.exec(string), + allowTime, dateFormat, timeFormat, tzFormat; + + if (match) { + getParsingFlags(config).iso = true; + + for (i = 0, l = isoDates.length; i < l; i++) { + if (isoDates[i][1].exec(match[1])) { + dateFormat = isoDates[i][0]; + allowTime = isoDates[i][2] !== false; + break; + } + } + if (dateFormat == null) { + config._isValid = false; + return; + } + if (match[3]) { + for (i = 0, l = isoTimes.length; i < l; i++) { + if (isoTimes[i][1].exec(match[3])) { + // match[2] should be 'T' or space + timeFormat = (match[2] || ' ') + isoTimes[i][0]; + break; + } + } + if (timeFormat == null) { + config._isValid = false; + return; + } + } + if (!allowTime && timeFormat != null) { + config._isValid = false; + return; + } + if (match[4]) { + if (tzRegex.exec(match[4])) { + tzFormat = 'Z'; + } else { + config._isValid = false; + return; + } + } + config._f = dateFormat + (timeFormat || '') + (tzFormat || ''); + configFromStringAndFormat(config); + } else { + config._isValid = false; + } + } + + // RFC 2822 regex: For details see https://tools.ietf.org/html/rfc2822#section-3.3 + var rfc2822 = /^(?:(Mon|Tue|Wed|Thu|Fri|Sat|Sun),?\s)?(\d{1,2})\s(Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)\s(\d{2,4})\s(\d\d):(\d\d)(?::(\d\d))?\s(?:(UT|GMT|[ECMP][SD]T)|([Zz])|([+-]\d{4}))$/; + + function extractFromRFC2822Strings(yearStr, monthStr, dayStr, hourStr, minuteStr, secondStr) { + var result = [ + untruncateYear(yearStr), + defaultLocaleMonthsShort.indexOf(monthStr), + parseInt(dayStr, 10), + parseInt(hourStr, 10), + parseInt(minuteStr, 10) + ]; + + if (secondStr) { + result.push(parseInt(secondStr, 10)); + } + + return result; + } + + function untruncateYear(yearStr) { + var year = parseInt(yearStr, 10); + if (year <= 49) { + return 2000 + year; + } else if (year <= 999) { + return 1900 + year; + } + return year; + } + + function preprocessRFC2822(s) { + // Remove comments and folding whitespace and replace multiple-spaces with a single space + return s.replace(/\([^)]*\)|[\n\t]/g, ' ').replace(/(\s\s+)/g, ' ').trim(); + } + + function checkWeekday(weekdayStr, parsedInput, config) { + if (weekdayStr) { + // TODO: Replace the vanilla JS Date object with an indepentent day-of-week check. + var weekdayProvided = defaultLocaleWeekdaysShort.indexOf(weekdayStr), + weekdayActual = new Date(parsedInput[0], parsedInput[1], parsedInput[2]).getDay(); + if (weekdayProvided !== weekdayActual) { + getParsingFlags(config).weekdayMismatch = true; + config._isValid = false; + return false; + } + } + return true; + } + + var obsOffsets = { + UT: 0, + GMT: 0, + EDT: -4 * 60, + EST: -5 * 60, + CDT: -5 * 60, + CST: -6 * 60, + MDT: -6 * 60, + MST: -7 * 60, + PDT: -7 * 60, + PST: -8 * 60 + }; + + function calculateOffset(obsOffset, militaryOffset, numOffset) { + if (obsOffset) { + return obsOffsets[obsOffset]; + } else if (militaryOffset) { + // the only allowed military tz is Z + return 0; + } else { + var hm = parseInt(numOffset, 10); + var m = hm % 100, h = (hm - m) / 100; + return h * 60 + m; + } + } + + // date and time from ref 2822 format + function configFromRFC2822(config) { + var match = rfc2822.exec(preprocessRFC2822(config._i)); + if (match) { + var parsedArray = extractFromRFC2822Strings(match[4], match[3], match[2], match[5], match[6], match[7]); + if (!checkWeekday(match[1], parsedArray, config)) { + return; + } + + config._a = parsedArray; + config._tzm = calculateOffset(match[8], match[9], match[10]); + + config._d = createUTCDate.apply(null, config._a); + config._d.setUTCMinutes(config._d.getUTCMinutes() - config._tzm); + + getParsingFlags(config).rfc2822 = true; + } else { + config._isValid = false; + } + } + + // date from iso format or fallback + function configFromString(config) { + var matched = aspNetJsonRegex.exec(config._i); + + if (matched !== null) { + config._d = new Date(+matched[1]); + return; + } + + configFromISO(config); + if (config._isValid === false) { + delete config._isValid; + } else { + return; + } + + configFromRFC2822(config); + if (config._isValid === false) { + delete config._isValid; + } else { + return; + } + + // Final attempt, use Input Fallback + hooks.createFromInputFallback(config); + } + + hooks.createFromInputFallback = deprecate( + 'value provided is not in a recognized RFC2822 or ISO format. moment construction falls back to js Date(), ' + + 'which is not reliable across all browsers and versions. Non RFC2822/ISO date formats are ' + + 'discouraged and will be removed in an upcoming major release. Please refer to ' + + 'http://momentjs.com/guides/#/warnings/js-date/ for more info.', + function (config) { + config._d = new Date(config._i + (config._useUTC ? ' UTC' : '')); + } + ); + + // constant that refers to the ISO standard + hooks.ISO_8601 = function () {}; + + // constant that refers to the RFC 2822 form + hooks.RFC_2822 = function () {}; + + // date from string and format string + function configFromStringAndFormat(config) { + // TODO: Move this to another part of the creation flow to prevent circular deps + if (config._f === hooks.ISO_8601) { + configFromISO(config); + return; + } + if (config._f === hooks.RFC_2822) { + configFromRFC2822(config); + return; + } + config._a = []; + getParsingFlags(config).empty = true; + + // This array is used to make a Date, either with `new Date` or `Date.UTC` + var string = '' + config._i, + i, parsedInput, tokens, token, skipped, + stringLength = string.length, + totalParsedInputLength = 0; + + tokens = expandFormat(config._f, config._locale).match(formattingTokens) || []; + + for (i = 0; i < tokens.length; i++) { + token = tokens[i]; + parsedInput = (string.match(getParseRegexForToken(token, config)) || [])[0]; + // console.log('token', token, 'parsedInput', parsedInput, + // 'regex', getParseRegexForToken(token, config)); + if (parsedInput) { + skipped = string.substr(0, string.indexOf(parsedInput)); + if (skipped.length > 0) { + getParsingFlags(config).unusedInput.push(skipped); + } + string = string.slice(string.indexOf(parsedInput) + parsedInput.length); + totalParsedInputLength += parsedInput.length; + } + // don't parse if it's not a known token + if (formatTokenFunctions[token]) { + if (parsedInput) { + getParsingFlags(config).empty = false; + } + else { + getParsingFlags(config).unusedTokens.push(token); + } + addTimeToArrayFromToken(token, parsedInput, config); + } + else if (config._strict && !parsedInput) { + getParsingFlags(config).unusedTokens.push(token); + } + } + + // add remaining unparsed input length to the string + getParsingFlags(config).charsLeftOver = stringLength - totalParsedInputLength; + if (string.length > 0) { + getParsingFlags(config).unusedInput.push(string); + } + + // clear _12h flag if hour is <= 12 + if (config._a[HOUR] <= 12 && + getParsingFlags(config).bigHour === true && + config._a[HOUR] > 0) { + getParsingFlags(config).bigHour = undefined; + } + + getParsingFlags(config).parsedDateParts = config._a.slice(0); + getParsingFlags(config).meridiem = config._meridiem; + // handle meridiem + config._a[HOUR] = meridiemFixWrap(config._locale, config._a[HOUR], config._meridiem); + + configFromArray(config); + checkOverflow(config); + } + + + function meridiemFixWrap (locale, hour, meridiem) { + var isPm; + + if (meridiem == null) { + // nothing to do + return hour; + } + if (locale.meridiemHour != null) { + return locale.meridiemHour(hour, meridiem); + } else if (locale.isPM != null) { + // Fallback + isPm = locale.isPM(meridiem); + if (isPm && hour < 12) { + hour += 12; + } + if (!isPm && hour === 12) { + hour = 0; + } + return hour; + } else { + // this is not supposed to happen + return hour; + } + } + + // date from string and array of format strings + function configFromStringAndArray(config) { + var tempConfig, + bestMoment, + + scoreToBeat, + i, + currentScore; + + if (config._f.length === 0) { + getParsingFlags(config).invalidFormat = true; + config._d = new Date(NaN); + return; + } + + for (i = 0; i < config._f.length; i++) { + currentScore = 0; + tempConfig = copyConfig({}, config); + if (config._useUTC != null) { + tempConfig._useUTC = config._useUTC; + } + tempConfig._f = config._f[i]; + configFromStringAndFormat(tempConfig); + + if (!isValid(tempConfig)) { + continue; + } + + // if there is any input that was not parsed add a penalty for that format + currentScore += getParsingFlags(tempConfig).charsLeftOver; + + //or tokens + currentScore += getParsingFlags(tempConfig).unusedTokens.length * 10; + + getParsingFlags(tempConfig).score = currentScore; + + if (scoreToBeat == null || currentScore < scoreToBeat) { + scoreToBeat = currentScore; + bestMoment = tempConfig; + } + } + + extend(config, bestMoment || tempConfig); + } + + function configFromObject(config) { + if (config._d) { + return; + } + + var i = normalizeObjectUnits(config._i); + config._a = map([i.year, i.month, i.day || i.date, i.hour, i.minute, i.second, i.millisecond], function (obj) { + return obj && parseInt(obj, 10); + }); + + configFromArray(config); + } + + function createFromConfig (config) { + var res = new Moment(checkOverflow(prepareConfig(config))); + if (res._nextDay) { + // Adding is smart enough around DST + res.add(1, 'd'); + res._nextDay = undefined; + } + + return res; + } + + function prepareConfig (config) { + var input = config._i, + format = config._f; + + config._locale = config._locale || getLocale(config._l); + + if (input === null || (format === undefined && input === '')) { + return createInvalid({nullInput: true}); + } + + if (typeof input === 'string') { + config._i = input = config._locale.preparse(input); + } + + if (isMoment(input)) { + return new Moment(checkOverflow(input)); + } else if (isDate(input)) { + config._d = input; + } else if (isArray(format)) { + configFromStringAndArray(config); + } else if (format) { + configFromStringAndFormat(config); + } else { + configFromInput(config); + } + + if (!isValid(config)) { + config._d = null; + } + + return config; + } + + function configFromInput(config) { + var input = config._i; + if (isUndefined(input)) { + config._d = new Date(hooks.now()); + } else if (isDate(input)) { + config._d = new Date(input.valueOf()); + } else if (typeof input === 'string') { + configFromString(config); + } else if (isArray(input)) { + config._a = map(input.slice(0), function (obj) { + return parseInt(obj, 10); + }); + configFromArray(config); + } else if (isObject(input)) { + configFromObject(config); + } else if (isNumber(input)) { + // from milliseconds + config._d = new Date(input); + } else { + hooks.createFromInputFallback(config); + } + } + + function createLocalOrUTC (input, format, locale, strict, isUTC) { + var c = {}; + + if (locale === true || locale === false) { + strict = locale; + locale = undefined; + } + + if ((isObject(input) && isObjectEmpty(input)) || + (isArray(input) && input.length === 0)) { + input = undefined; + } + // object construction must be done this way. + // https://github.com/moment/moment/issues/1423 + c._isAMomentObject = true; + c._useUTC = c._isUTC = isUTC; + c._l = locale; + c._i = input; + c._f = format; + c._strict = strict; + + return createFromConfig(c); + } + + function createLocal (input, format, locale, strict) { + return createLocalOrUTC(input, format, locale, strict, false); + } + + var prototypeMin = deprecate( + 'moment().min is deprecated, use moment.max instead. http://momentjs.com/guides/#/warnings/min-max/', + function () { + var other = createLocal.apply(null, arguments); + if (this.isValid() && other.isValid()) { + return other < this ? this : other; + } else { + return createInvalid(); + } + } + ); + + var prototypeMax = deprecate( + 'moment().max is deprecated, use moment.min instead. http://momentjs.com/guides/#/warnings/min-max/', + function () { + var other = createLocal.apply(null, arguments); + if (this.isValid() && other.isValid()) { + return other > this ? this : other; + } else { + return createInvalid(); + } + } + ); + + // Pick a moment m from moments so that m[fn](other) is true for all + // other. This relies on the function fn to be transitive. + // + // moments should either be an array of moment objects or an array, whose + // first element is an array of moment objects. + function pickBy(fn, moments) { + var res, i; + if (moments.length === 1 && isArray(moments[0])) { + moments = moments[0]; + } + if (!moments.length) { + return createLocal(); + } + res = moments[0]; + for (i = 1; i < moments.length; ++i) { + if (!moments[i].isValid() || moments[i][fn](res)) { + res = moments[i]; + } + } + return res; + } + + // TODO: Use [].sort instead? + function min () { + var args = [].slice.call(arguments, 0); + + return pickBy('isBefore', args); + } + + function max () { + var args = [].slice.call(arguments, 0); + + return pickBy('isAfter', args); + } + + var now = function () { + return Date.now ? Date.now() : +(new Date()); + }; + + var ordering = ['year', 'quarter', 'month', 'week', 'day', 'hour', 'minute', 'second', 'millisecond']; + + function isDurationValid(m) { + for (var key in m) { + if (!(indexOf.call(ordering, key) !== -1 && (m[key] == null || !isNaN(m[key])))) { + return false; + } + } + + var unitHasDecimal = false; + for (var i = 0; i < ordering.length; ++i) { + if (m[ordering[i]]) { + if (unitHasDecimal) { + return false; // only allow non-integers for smallest unit + } + if (parseFloat(m[ordering[i]]) !== toInt(m[ordering[i]])) { + unitHasDecimal = true; + } + } + } + + return true; + } + + function isValid$1() { + return this._isValid; + } + + function createInvalid$1() { + return createDuration(NaN); + } + + function Duration (duration) { + var normalizedInput = normalizeObjectUnits(duration), + years = normalizedInput.year || 0, + quarters = normalizedInput.quarter || 0, + months = normalizedInput.month || 0, + weeks = normalizedInput.week || 0, + days = normalizedInput.day || 0, + hours = normalizedInput.hour || 0, + minutes = normalizedInput.minute || 0, + seconds = normalizedInput.second || 0, + milliseconds = normalizedInput.millisecond || 0; + + this._isValid = isDurationValid(normalizedInput); + + // representation for dateAddRemove + this._milliseconds = +milliseconds + + seconds * 1e3 + // 1000 + minutes * 6e4 + // 1000 * 60 + hours * 1000 * 60 * 60; //using 1000 * 60 * 60 instead of 36e5 to avoid floating point rounding errors https://github.com/moment/moment/issues/2978 + // Because of dateAddRemove treats 24 hours as different from a + // day when working around DST, we need to store them separately + this._days = +days + + weeks * 7; + // It is impossible to translate months into days without knowing + // which months you are are talking about, so we have to store + // it separately. + this._months = +months + + quarters * 3 + + years * 12; + + this._data = {}; + + this._locale = getLocale(); + + this._bubble(); + } + + function isDuration (obj) { + return obj instanceof Duration; + } + + function absRound (number) { + if (number < 0) { + return Math.round(-1 * number) * -1; + } else { + return Math.round(number); + } + } + + // FORMATTING + + function offset (token, separator) { + addFormatToken(token, 0, 0, function () { + var offset = this.utcOffset(); + var sign = '+'; + if (offset < 0) { + offset = -offset; + sign = '-'; + } + return sign + zeroFill(~~(offset / 60), 2) + separator + zeroFill(~~(offset) % 60, 2); + }); + } + + offset('Z', ':'); + offset('ZZ', ''); + + // PARSING + + addRegexToken('Z', matchShortOffset); + addRegexToken('ZZ', matchShortOffset); + addParseToken(['Z', 'ZZ'], function (input, array, config) { + config._useUTC = true; + config._tzm = offsetFromString(matchShortOffset, input); + }); + + // HELPERS + + // timezone chunker + // '+10:00' > ['10', '00'] + // '-1530' > ['-15', '30'] + var chunkOffset = /([\+\-]|\d\d)/gi; + + function offsetFromString(matcher, string) { + var matches = (string || '').match(matcher); + + if (matches === null) { + return null; + } + + var chunk = matches[matches.length - 1] || []; + var parts = (chunk + '').match(chunkOffset) || ['-', 0, 0]; + var minutes = +(parts[1] * 60) + toInt(parts[2]); + + return minutes === 0 ? + 0 : + parts[0] === '+' ? minutes : -minutes; + } + + // Return a moment from input, that is local/utc/zone equivalent to model. + function cloneWithOffset(input, model) { + var res, diff; + if (model._isUTC) { + res = model.clone(); + diff = (isMoment(input) || isDate(input) ? input.valueOf() : createLocal(input).valueOf()) - res.valueOf(); + // Use low-level api, because this fn is low-level api. + res._d.setTime(res._d.valueOf() + diff); + hooks.updateOffset(res, false); + return res; + } else { + return createLocal(input).local(); + } + } + + function getDateOffset (m) { + // On Firefox.24 Date#getTimezoneOffset returns a floating point. + // https://github.com/moment/moment/pull/1871 + return -Math.round(m._d.getTimezoneOffset() / 15) * 15; + } + + // HOOKS + + // This function will be called whenever a moment is mutated. + // It is intended to keep the offset in sync with the timezone. + hooks.updateOffset = function () {}; + + // MOMENTS + + // keepLocalTime = true means only change the timezone, without + // affecting the local hour. So 5:31:26 +0300 --[utcOffset(2, true)]--> + // 5:31:26 +0200 It is possible that 5:31:26 doesn't exist with offset + // +0200, so we adjust the time as needed, to be valid. + // + // Keeping the time actually adds/subtracts (one hour) + // from the actual represented time. That is why we call updateOffset + // a second time. In case it wants us to change the offset again + // _changeInProgress == true case, then we have to adjust, because + // there is no such time in the given timezone. + function getSetOffset (input, keepLocalTime, keepMinutes) { + var offset = this._offset || 0, + localAdjust; + if (!this.isValid()) { + return input != null ? this : NaN; + } + if (input != null) { + if (typeof input === 'string') { + input = offsetFromString(matchShortOffset, input); + if (input === null) { + return this; + } + } else if (Math.abs(input) < 16 && !keepMinutes) { + input = input * 60; + } + if (!this._isUTC && keepLocalTime) { + localAdjust = getDateOffset(this); + } + this._offset = input; + this._isUTC = true; + if (localAdjust != null) { + this.add(localAdjust, 'm'); + } + if (offset !== input) { + if (!keepLocalTime || this._changeInProgress) { + addSubtract(this, createDuration(input - offset, 'm'), 1, false); + } else if (!this._changeInProgress) { + this._changeInProgress = true; + hooks.updateOffset(this, true); + this._changeInProgress = null; + } + } + return this; + } else { + return this._isUTC ? offset : getDateOffset(this); + } + } + + function getSetZone (input, keepLocalTime) { + if (input != null) { + if (typeof input !== 'string') { + input = -input; + } + + this.utcOffset(input, keepLocalTime); + + return this; + } else { + return -this.utcOffset(); + } + } + + function setOffsetToUTC (keepLocalTime) { + return this.utcOffset(0, keepLocalTime); + } + + function setOffsetToLocal (keepLocalTime) { + if (this._isUTC) { + this.utcOffset(0, keepLocalTime); + this._isUTC = false; + + if (keepLocalTime) { + this.subtract(getDateOffset(this), 'm'); + } + } + return this; + } + + function setOffsetToParsedOffset () { + if (this._tzm != null) { + this.utcOffset(this._tzm, false, true); + } else if (typeof this._i === 'string') { + var tZone = offsetFromString(matchOffset, this._i); + if (tZone != null) { + this.utcOffset(tZone); + } + else { + this.utcOffset(0, true); + } + } + return this; + } + + function hasAlignedHourOffset (input) { + if (!this.isValid()) { + return false; + } + input = input ? createLocal(input).utcOffset() : 0; + + return (this.utcOffset() - input) % 60 === 0; + } + + function isDaylightSavingTime () { + return ( + this.utcOffset() > this.clone().month(0).utcOffset() || + this.utcOffset() > this.clone().month(5).utcOffset() + ); + } + + function isDaylightSavingTimeShifted () { + if (!isUndefined(this._isDSTShifted)) { + return this._isDSTShifted; + } + + var c = {}; + + copyConfig(c, this); + c = prepareConfig(c); + + if (c._a) { + var other = c._isUTC ? createUTC(c._a) : createLocal(c._a); + this._isDSTShifted = this.isValid() && + compareArrays(c._a, other.toArray()) > 0; + } else { + this._isDSTShifted = false; + } + + return this._isDSTShifted; + } + + function isLocal () { + return this.isValid() ? !this._isUTC : false; + } + + function isUtcOffset () { + return this.isValid() ? this._isUTC : false; + } + + function isUtc () { + return this.isValid() ? this._isUTC && this._offset === 0 : false; + } + + // ASP.NET json date format regex + var aspNetRegex = /^(\-|\+)?(?:(\d*)[. ])?(\d+)\:(\d+)(?:\:(\d+)(\.\d*)?)?$/; + + // from http://docs.closure-library.googlecode.com/git/closure_goog_date_date.js.source.html + // somewhat more in line with 4.4.3.2 2004 spec, but allows decimal anywhere + // and further modified to allow for strings containing both week and day + var isoRegex = /^(-|\+)?P(?:([-+]?[0-9,.]*)Y)?(?:([-+]?[0-9,.]*)M)?(?:([-+]?[0-9,.]*)W)?(?:([-+]?[0-9,.]*)D)?(?:T(?:([-+]?[0-9,.]*)H)?(?:([-+]?[0-9,.]*)M)?(?:([-+]?[0-9,.]*)S)?)?$/; + + function createDuration (input, key) { + var duration = input, + // matching against regexp is expensive, do it on demand + match = null, + sign, + ret, + diffRes; + + if (isDuration(input)) { + duration = { + ms : input._milliseconds, + d : input._days, + M : input._months + }; + } else if (isNumber(input)) { + duration = {}; + if (key) { + duration[key] = input; + } else { + duration.milliseconds = input; + } + } else if (!!(match = aspNetRegex.exec(input))) { + sign = (match[1] === '-') ? -1 : 1; + duration = { + y : 0, + d : toInt(match[DATE]) * sign, + h : toInt(match[HOUR]) * sign, + m : toInt(match[MINUTE]) * sign, + s : toInt(match[SECOND]) * sign, + ms : toInt(absRound(match[MILLISECOND] * 1000)) * sign // the millisecond decimal point is included in the match + }; + } else if (!!(match = isoRegex.exec(input))) { + sign = (match[1] === '-') ? -1 : (match[1] === '+') ? 1 : 1; + duration = { + y : parseIso(match[2], sign), + M : parseIso(match[3], sign), + w : parseIso(match[4], sign), + d : parseIso(match[5], sign), + h : parseIso(match[6], sign), + m : parseIso(match[7], sign), + s : parseIso(match[8], sign) + }; + } else if (duration == null) {// checks for null or undefined + duration = {}; + } else if (typeof duration === 'object' && ('from' in duration || 'to' in duration)) { + diffRes = momentsDifference(createLocal(duration.from), createLocal(duration.to)); + + duration = {}; + duration.ms = diffRes.milliseconds; + duration.M = diffRes.months; + } + + ret = new Duration(duration); + + if (isDuration(input) && hasOwnProp(input, '_locale')) { + ret._locale = input._locale; + } + + return ret; + } + + createDuration.fn = Duration.prototype; + createDuration.invalid = createInvalid$1; + + function parseIso (inp, sign) { + // We'd normally use ~~inp for this, but unfortunately it also + // converts floats to ints. + // inp may be undefined, so careful calling replace on it. + var res = inp && parseFloat(inp.replace(',', '.')); + // apply sign while we're at it + return (isNaN(res) ? 0 : res) * sign; + } + + function positiveMomentsDifference(base, other) { + var res = {milliseconds: 0, months: 0}; + + res.months = other.month() - base.month() + + (other.year() - base.year()) * 12; + if (base.clone().add(res.months, 'M').isAfter(other)) { + --res.months; + } + + res.milliseconds = +other - +(base.clone().add(res.months, 'M')); + + return res; + } + + function momentsDifference(base, other) { + var res; + if (!(base.isValid() && other.isValid())) { + return {milliseconds: 0, months: 0}; + } + + other = cloneWithOffset(other, base); + if (base.isBefore(other)) { + res = positiveMomentsDifference(base, other); + } else { + res = positiveMomentsDifference(other, base); + res.milliseconds = -res.milliseconds; + res.months = -res.months; + } + + return res; + } + + // TODO: remove 'name' arg after deprecation is removed + function createAdder(direction, name) { + return function (val, period) { + var dur, tmp; + //invert the arguments, but complain about it + if (period !== null && !isNaN(+period)) { + deprecateSimple(name, 'moment().' + name + '(period, number) is deprecated. Please use moment().' + name + '(number, period). ' + + 'See http://momentjs.com/guides/#/warnings/add-inverted-param/ for more info.'); + tmp = val; val = period; period = tmp; + } + + val = typeof val === 'string' ? +val : val; + dur = createDuration(val, period); + addSubtract(this, dur, direction); + return this; + }; + } + + function addSubtract (mom, duration, isAdding, updateOffset) { + var milliseconds = duration._milliseconds, + days = absRound(duration._days), + months = absRound(duration._months); + + if (!mom.isValid()) { + // No op + return; + } + + updateOffset = updateOffset == null ? true : updateOffset; + + if (months) { + setMonth(mom, get(mom, 'Month') + months * isAdding); + } + if (days) { + set$1(mom, 'Date', get(mom, 'Date') + days * isAdding); + } + if (milliseconds) { + mom._d.setTime(mom._d.valueOf() + milliseconds * isAdding); + } + if (updateOffset) { + hooks.updateOffset(mom, days || months); + } + } + + var add = createAdder(1, 'add'); + var subtract = createAdder(-1, 'subtract'); + + function getCalendarFormat(myMoment, now) { + var diff = myMoment.diff(now, 'days', true); + return diff < -6 ? 'sameElse' : + diff < -1 ? 'lastWeek' : + diff < 0 ? 'lastDay' : + diff < 1 ? 'sameDay' : + diff < 2 ? 'nextDay' : + diff < 7 ? 'nextWeek' : 'sameElse'; + } + + function calendar$1 (time, formats) { + // We want to compare the start of today, vs this. + // Getting start-of-today depends on whether we're local/utc/offset or not. + var now = time || createLocal(), + sod = cloneWithOffset(now, this).startOf('day'), + format = hooks.calendarFormat(this, sod) || 'sameElse'; + + var output = formats && (isFunction(formats[format]) ? formats[format].call(this, now) : formats[format]); + + return this.format(output || this.localeData().calendar(format, this, createLocal(now))); + } + + function clone () { + return new Moment(this); + } + + function isAfter (input, units) { + var localInput = isMoment(input) ? input : createLocal(input); + if (!(this.isValid() && localInput.isValid())) { + return false; + } + units = normalizeUnits(!isUndefined(units) ? units : 'millisecond'); + if (units === 'millisecond') { + return this.valueOf() > localInput.valueOf(); + } else { + return localInput.valueOf() < this.clone().startOf(units).valueOf(); + } + } + + function isBefore (input, units) { + var localInput = isMoment(input) ? input : createLocal(input); + if (!(this.isValid() && localInput.isValid())) { + return false; + } + units = normalizeUnits(!isUndefined(units) ? units : 'millisecond'); + if (units === 'millisecond') { + return this.valueOf() < localInput.valueOf(); + } else { + return this.clone().endOf(units).valueOf() < localInput.valueOf(); + } + } + + function isBetween (from, to, units, inclusivity) { + inclusivity = inclusivity || '()'; + return (inclusivity[0] === '(' ? this.isAfter(from, units) : !this.isBefore(from, units)) && + (inclusivity[1] === ')' ? this.isBefore(to, units) : !this.isAfter(to, units)); + } + + function isSame (input, units) { + var localInput = isMoment(input) ? input : createLocal(input), + inputMs; + if (!(this.isValid() && localInput.isValid())) { + return false; + } + units = normalizeUnits(units || 'millisecond'); + if (units === 'millisecond') { + return this.valueOf() === localInput.valueOf(); + } else { + inputMs = localInput.valueOf(); + return this.clone().startOf(units).valueOf() <= inputMs && inputMs <= this.clone().endOf(units).valueOf(); + } + } + + function isSameOrAfter (input, units) { + return this.isSame(input, units) || this.isAfter(input,units); + } + + function isSameOrBefore (input, units) { + return this.isSame(input, units) || this.isBefore(input,units); + } + + function diff (input, units, asFloat) { + var that, + zoneDelta, + output; + + if (!this.isValid()) { + return NaN; + } + + that = cloneWithOffset(input, this); + + if (!that.isValid()) { + return NaN; + } + + zoneDelta = (that.utcOffset() - this.utcOffset()) * 6e4; + + units = normalizeUnits(units); + + switch (units) { + case 'year': output = monthDiff(this, that) / 12; break; + case 'month': output = monthDiff(this, that); break; + case 'quarter': output = monthDiff(this, that) / 3; break; + case 'second': output = (this - that) / 1e3; break; // 1000 + case 'minute': output = (this - that) / 6e4; break; // 1000 * 60 + case 'hour': output = (this - that) / 36e5; break; // 1000 * 60 * 60 + case 'day': output = (this - that - zoneDelta) / 864e5; break; // 1000 * 60 * 60 * 24, negate dst + case 'week': output = (this - that - zoneDelta) / 6048e5; break; // 1000 * 60 * 60 * 24 * 7, negate dst + default: output = this - that; + } + + return asFloat ? output : absFloor(output); + } + + function monthDiff (a, b) { + // difference in months + var wholeMonthDiff = ((b.year() - a.year()) * 12) + (b.month() - a.month()), + // b is in (anchor - 1 month, anchor + 1 month) + anchor = a.clone().add(wholeMonthDiff, 'months'), + anchor2, adjust; + + if (b - anchor < 0) { + anchor2 = a.clone().add(wholeMonthDiff - 1, 'months'); + // linear across the month + adjust = (b - anchor) / (anchor - anchor2); + } else { + anchor2 = a.clone().add(wholeMonthDiff + 1, 'months'); + // linear across the month + adjust = (b - anchor) / (anchor2 - anchor); + } + + //check for negative zero, return zero if negative zero + return -(wholeMonthDiff + adjust) || 0; + } + + hooks.defaultFormat = 'YYYY-MM-DDTHH:mm:ssZ'; + hooks.defaultFormatUtc = 'YYYY-MM-DDTHH:mm:ss[Z]'; + + function toString () { + return this.clone().locale('en').format('ddd MMM DD YYYY HH:mm:ss [GMT]ZZ'); + } + + function toISOString(keepOffset) { + if (!this.isValid()) { + return null; + } + var utc = keepOffset !== true; + var m = utc ? this.clone().utc() : this; + if (m.year() < 0 || m.year() > 9999) { + return formatMoment(m, utc ? 'YYYYYY-MM-DD[T]HH:mm:ss.SSS[Z]' : 'YYYYYY-MM-DD[T]HH:mm:ss.SSSZ'); + } + if (isFunction(Date.prototype.toISOString)) { + // native implementation is ~50x faster, use it when we can + if (utc) { + return this.toDate().toISOString(); + } else { + return new Date(this.valueOf() + this.utcOffset() * 60 * 1000).toISOString().replace('Z', formatMoment(m, 'Z')); + } + } + return formatMoment(m, utc ? 'YYYY-MM-DD[T]HH:mm:ss.SSS[Z]' : 'YYYY-MM-DD[T]HH:mm:ss.SSSZ'); + } + + /** + * Return a human readable representation of a moment that can + * also be evaluated to get a new moment which is the same + * + * @link https://nodejs.org/dist/latest/docs/api/util.html#util_custom_inspect_function_on_objects + */ + function inspect () { + if (!this.isValid()) { + return 'moment.invalid(/* ' + this._i + ' */)'; + } + var func = 'moment'; + var zone = ''; + if (!this.isLocal()) { + func = this.utcOffset() === 0 ? 'moment.utc' : 'moment.parseZone'; + zone = 'Z'; + } + var prefix = '[' + func + '("]'; + var year = (0 <= this.year() && this.year() <= 9999) ? 'YYYY' : 'YYYYYY'; + var datetime = '-MM-DD[T]HH:mm:ss.SSS'; + var suffix = zone + '[")]'; + + return this.format(prefix + year + datetime + suffix); + } + + function format (inputString) { + if (!inputString) { + inputString = this.isUtc() ? hooks.defaultFormatUtc : hooks.defaultFormat; + } + var output = formatMoment(this, inputString); + return this.localeData().postformat(output); + } + + function from (time, withoutSuffix) { + if (this.isValid() && + ((isMoment(time) && time.isValid()) || + createLocal(time).isValid())) { + return createDuration({to: this, from: time}).locale(this.locale()).humanize(!withoutSuffix); + } else { + return this.localeData().invalidDate(); + } + } + + function fromNow (withoutSuffix) { + return this.from(createLocal(), withoutSuffix); + } + + function to (time, withoutSuffix) { + if (this.isValid() && + ((isMoment(time) && time.isValid()) || + createLocal(time).isValid())) { + return createDuration({from: this, to: time}).locale(this.locale()).humanize(!withoutSuffix); + } else { + return this.localeData().invalidDate(); + } + } + + function toNow (withoutSuffix) { + return this.to(createLocal(), withoutSuffix); + } + + // If passed a locale key, it will set the locale for this + // instance. Otherwise, it will return the locale configuration + // variables for this instance. + function locale (key) { + var newLocaleData; + + if (key === undefined) { + return this._locale._abbr; + } else { + newLocaleData = getLocale(key); + if (newLocaleData != null) { + this._locale = newLocaleData; + } + return this; + } + } + + var lang = deprecate( + 'moment().lang() is deprecated. Instead, use moment().localeData() to get the language configuration. Use moment().locale() to change languages.', + function (key) { + if (key === undefined) { + return this.localeData(); + } else { + return this.locale(key); + } + } + ); + + function localeData () { + return this._locale; + } + + function startOf (units) { + units = normalizeUnits(units); + // the following switch intentionally omits break keywords + // to utilize falling through the cases. + switch (units) { + case 'year': + this.month(0); + /* falls through */ + case 'quarter': + case 'month': + this.date(1); + /* falls through */ + case 'week': + case 'isoWeek': + case 'day': + case 'date': + this.hours(0); + /* falls through */ + case 'hour': + this.minutes(0); + /* falls through */ + case 'minute': + this.seconds(0); + /* falls through */ + case 'second': + this.milliseconds(0); + } + + // weeks are a special case + if (units === 'week') { + this.weekday(0); + } + if (units === 'isoWeek') { + this.isoWeekday(1); + } + + // quarters are also special + if (units === 'quarter') { + this.month(Math.floor(this.month() / 3) * 3); + } + + return this; + } + + function endOf (units) { + units = normalizeUnits(units); + if (units === undefined || units === 'millisecond') { + return this; + } + + // 'date' is an alias for 'day', so it should be considered as such. + if (units === 'date') { + units = 'day'; + } + + return this.startOf(units).add(1, (units === 'isoWeek' ? 'week' : units)).subtract(1, 'ms'); + } + + function valueOf () { + return this._d.valueOf() - ((this._offset || 0) * 60000); + } + + function unix () { + return Math.floor(this.valueOf() / 1000); + } + + function toDate () { + return new Date(this.valueOf()); + } + + function toArray () { + var m = this; + return [m.year(), m.month(), m.date(), m.hour(), m.minute(), m.second(), m.millisecond()]; + } + + function toObject () { + var m = this; + return { + years: m.year(), + months: m.month(), + date: m.date(), + hours: m.hours(), + minutes: m.minutes(), + seconds: m.seconds(), + milliseconds: m.milliseconds() + }; + } + + function toJSON () { + // new Date(NaN).toJSON() === null + return this.isValid() ? this.toISOString() : null; + } + + function isValid$2 () { + return isValid(this); + } + + function parsingFlags () { + return extend({}, getParsingFlags(this)); + } + + function invalidAt () { + return getParsingFlags(this).overflow; + } + + function creationData() { + return { + input: this._i, + format: this._f, + locale: this._locale, + isUTC: this._isUTC, + strict: this._strict + }; + } + + // FORMATTING + + addFormatToken(0, ['gg', 2], 0, function () { + return this.weekYear() % 100; + }); + + addFormatToken(0, ['GG', 2], 0, function () { + return this.isoWeekYear() % 100; + }); + + function addWeekYearFormatToken (token, getter) { + addFormatToken(0, [token, token.length], 0, getter); + } + + addWeekYearFormatToken('gggg', 'weekYear'); + addWeekYearFormatToken('ggggg', 'weekYear'); + addWeekYearFormatToken('GGGG', 'isoWeekYear'); + addWeekYearFormatToken('GGGGG', 'isoWeekYear'); + + // ALIASES + + addUnitAlias('weekYear', 'gg'); + addUnitAlias('isoWeekYear', 'GG'); + + // PRIORITY + + addUnitPriority('weekYear', 1); + addUnitPriority('isoWeekYear', 1); + + + // PARSING + + addRegexToken('G', matchSigned); + addRegexToken('g', matchSigned); + addRegexToken('GG', match1to2, match2); + addRegexToken('gg', match1to2, match2); + addRegexToken('GGGG', match1to4, match4); + addRegexToken('gggg', match1to4, match4); + addRegexToken('GGGGG', match1to6, match6); + addRegexToken('ggggg', match1to6, match6); + + addWeekParseToken(['gggg', 'ggggg', 'GGGG', 'GGGGG'], function (input, week, config, token) { + week[token.substr(0, 2)] = toInt(input); + }); + + addWeekParseToken(['gg', 'GG'], function (input, week, config, token) { + week[token] = hooks.parseTwoDigitYear(input); + }); + + // MOMENTS + + function getSetWeekYear (input) { + return getSetWeekYearHelper.call(this, + input, + this.week(), + this.weekday(), + this.localeData()._week.dow, + this.localeData()._week.doy); + } + + function getSetISOWeekYear (input) { + return getSetWeekYearHelper.call(this, + input, this.isoWeek(), this.isoWeekday(), 1, 4); + } + + function getISOWeeksInYear () { + return weeksInYear(this.year(), 1, 4); + } + + function getWeeksInYear () { + var weekInfo = this.localeData()._week; + return weeksInYear(this.year(), weekInfo.dow, weekInfo.doy); + } + + function getSetWeekYearHelper(input, week, weekday, dow, doy) { + var weeksTarget; + if (input == null) { + return weekOfYear(this, dow, doy).year; + } else { + weeksTarget = weeksInYear(input, dow, doy); + if (week > weeksTarget) { + week = weeksTarget; + } + return setWeekAll.call(this, input, week, weekday, dow, doy); + } + } + + function setWeekAll(weekYear, week, weekday, dow, doy) { + var dayOfYearData = dayOfYearFromWeeks(weekYear, week, weekday, dow, doy), + date = createUTCDate(dayOfYearData.year, 0, dayOfYearData.dayOfYear); + + this.year(date.getUTCFullYear()); + this.month(date.getUTCMonth()); + this.date(date.getUTCDate()); + return this; + } + + // FORMATTING + + addFormatToken('Q', 0, 'Qo', 'quarter'); + + // ALIASES + + addUnitAlias('quarter', 'Q'); + + // PRIORITY + + addUnitPriority('quarter', 7); + + // PARSING + + addRegexToken('Q', match1); + addParseToken('Q', function (input, array) { + array[MONTH] = (toInt(input) - 1) * 3; + }); + + // MOMENTS + + function getSetQuarter (input) { + return input == null ? Math.ceil((this.month() + 1) / 3) : this.month((input - 1) * 3 + this.month() % 3); + } + + // FORMATTING + + addFormatToken('D', ['DD', 2], 'Do', 'date'); + + // ALIASES + + addUnitAlias('date', 'D'); + + // PRIORITY + addUnitPriority('date', 9); + + // PARSING + + addRegexToken('D', match1to2); + addRegexToken('DD', match1to2, match2); + addRegexToken('Do', function (isStrict, locale) { + // TODO: Remove "ordinalParse" fallback in next major release. + return isStrict ? + (locale._dayOfMonthOrdinalParse || locale._ordinalParse) : + locale._dayOfMonthOrdinalParseLenient; + }); + + addParseToken(['D', 'DD'], DATE); + addParseToken('Do', function (input, array) { + array[DATE] = toInt(input.match(match1to2)[0]); + }); + + // MOMENTS + + var getSetDayOfMonth = makeGetSet('Date', true); + + // FORMATTING + + addFormatToken('DDD', ['DDDD', 3], 'DDDo', 'dayOfYear'); + + // ALIASES + + addUnitAlias('dayOfYear', 'DDD'); + + // PRIORITY + addUnitPriority('dayOfYear', 4); + + // PARSING + + addRegexToken('DDD', match1to3); + addRegexToken('DDDD', match3); + addParseToken(['DDD', 'DDDD'], function (input, array, config) { + config._dayOfYear = toInt(input); + }); + + // HELPERS + + // MOMENTS + + function getSetDayOfYear (input) { + var dayOfYear = Math.round((this.clone().startOf('day') - this.clone().startOf('year')) / 864e5) + 1; + return input == null ? dayOfYear : this.add((input - dayOfYear), 'd'); + } + + // FORMATTING + + addFormatToken('m', ['mm', 2], 0, 'minute'); + + // ALIASES + + addUnitAlias('minute', 'm'); + + // PRIORITY + + addUnitPriority('minute', 14); + + // PARSING + + addRegexToken('m', match1to2); + addRegexToken('mm', match1to2, match2); + addParseToken(['m', 'mm'], MINUTE); + + // MOMENTS + + var getSetMinute = makeGetSet('Minutes', false); + + // FORMATTING + + addFormatToken('s', ['ss', 2], 0, 'second'); + + // ALIASES + + addUnitAlias('second', 's'); + + // PRIORITY + + addUnitPriority('second', 15); + + // PARSING + + addRegexToken('s', match1to2); + addRegexToken('ss', match1to2, match2); + addParseToken(['s', 'ss'], SECOND); + + // MOMENTS + + var getSetSecond = makeGetSet('Seconds', false); + + // FORMATTING + + addFormatToken('S', 0, 0, function () { + return ~~(this.millisecond() / 100); + }); + + addFormatToken(0, ['SS', 2], 0, function () { + return ~~(this.millisecond() / 10); + }); + + addFormatToken(0, ['SSS', 3], 0, 'millisecond'); + addFormatToken(0, ['SSSS', 4], 0, function () { + return this.millisecond() * 10; + }); + addFormatToken(0, ['SSSSS', 5], 0, function () { + return this.millisecond() * 100; + }); + addFormatToken(0, ['SSSSSS', 6], 0, function () { + return this.millisecond() * 1000; + }); + addFormatToken(0, ['SSSSSSS', 7], 0, function () { + return this.millisecond() * 10000; + }); + addFormatToken(0, ['SSSSSSSS', 8], 0, function () { + return this.millisecond() * 100000; + }); + addFormatToken(0, ['SSSSSSSSS', 9], 0, function () { + return this.millisecond() * 1000000; + }); + + + // ALIASES + + addUnitAlias('millisecond', 'ms'); + + // PRIORITY + + addUnitPriority('millisecond', 16); + + // PARSING + + addRegexToken('S', match1to3, match1); + addRegexToken('SS', match1to3, match2); + addRegexToken('SSS', match1to3, match3); + + var token; + for (token = 'SSSS'; token.length <= 9; token += 'S') { + addRegexToken(token, matchUnsigned); + } + + function parseMs(input, array) { + array[MILLISECOND] = toInt(('0.' + input) * 1000); + } + + for (token = 'S'; token.length <= 9; token += 'S') { + addParseToken(token, parseMs); + } + // MOMENTS + + var getSetMillisecond = makeGetSet('Milliseconds', false); + + // FORMATTING + + addFormatToken('z', 0, 0, 'zoneAbbr'); + addFormatToken('zz', 0, 0, 'zoneName'); + + // MOMENTS + + function getZoneAbbr () { + return this._isUTC ? 'UTC' : ''; + } + + function getZoneName () { + return this._isUTC ? 'Coordinated Universal Time' : ''; + } + + var proto = Moment.prototype; + + proto.add = add; + proto.calendar = calendar$1; + proto.clone = clone; + proto.diff = diff; + proto.endOf = endOf; + proto.format = format; + proto.from = from; + proto.fromNow = fromNow; + proto.to = to; + proto.toNow = toNow; + proto.get = stringGet; + proto.invalidAt = invalidAt; + proto.isAfter = isAfter; + proto.isBefore = isBefore; + proto.isBetween = isBetween; + proto.isSame = isSame; + proto.isSameOrAfter = isSameOrAfter; + proto.isSameOrBefore = isSameOrBefore; + proto.isValid = isValid$2; + proto.lang = lang; + proto.locale = locale; + proto.localeData = localeData; + proto.max = prototypeMax; + proto.min = prototypeMin; + proto.parsingFlags = parsingFlags; + proto.set = stringSet; + proto.startOf = startOf; + proto.subtract = subtract; + proto.toArray = toArray; + proto.toObject = toObject; + proto.toDate = toDate; + proto.toISOString = toISOString; + proto.inspect = inspect; + proto.toJSON = toJSON; + proto.toString = toString; + proto.unix = unix; + proto.valueOf = valueOf; + proto.creationData = creationData; + proto.year = getSetYear; + proto.isLeapYear = getIsLeapYear; + proto.weekYear = getSetWeekYear; + proto.isoWeekYear = getSetISOWeekYear; + proto.quarter = proto.quarters = getSetQuarter; + proto.month = getSetMonth; + proto.daysInMonth = getDaysInMonth; + proto.week = proto.weeks = getSetWeek; + proto.isoWeek = proto.isoWeeks = getSetISOWeek; + proto.weeksInYear = getWeeksInYear; + proto.isoWeeksInYear = getISOWeeksInYear; + proto.date = getSetDayOfMonth; + proto.day = proto.days = getSetDayOfWeek; + proto.weekday = getSetLocaleDayOfWeek; + proto.isoWeekday = getSetISODayOfWeek; + proto.dayOfYear = getSetDayOfYear; + proto.hour = proto.hours = getSetHour; + proto.minute = proto.minutes = getSetMinute; + proto.second = proto.seconds = getSetSecond; + proto.millisecond = proto.milliseconds = getSetMillisecond; + proto.utcOffset = getSetOffset; + proto.utc = setOffsetToUTC; + proto.local = setOffsetToLocal; + proto.parseZone = setOffsetToParsedOffset; + proto.hasAlignedHourOffset = hasAlignedHourOffset; + proto.isDST = isDaylightSavingTime; + proto.isLocal = isLocal; + proto.isUtcOffset = isUtcOffset; + proto.isUtc = isUtc; + proto.isUTC = isUtc; + proto.zoneAbbr = getZoneAbbr; + proto.zoneName = getZoneName; + proto.dates = deprecate('dates accessor is deprecated. Use date instead.', getSetDayOfMonth); + proto.months = deprecate('months accessor is deprecated. Use month instead', getSetMonth); + proto.years = deprecate('years accessor is deprecated. Use year instead', getSetYear); + proto.zone = deprecate('moment().zone is deprecated, use moment().utcOffset instead. http://momentjs.com/guides/#/warnings/zone/', getSetZone); + proto.isDSTShifted = deprecate('isDSTShifted is deprecated. See http://momentjs.com/guides/#/warnings/dst-shifted/ for more information', isDaylightSavingTimeShifted); + + function createUnix (input) { + return createLocal(input * 1000); + } + + function createInZone () { + return createLocal.apply(null, arguments).parseZone(); + } + + function preParsePostFormat (string) { + return string; + } + + var proto$1 = Locale.prototype; + + proto$1.calendar = calendar; + proto$1.longDateFormat = longDateFormat; + proto$1.invalidDate = invalidDate; + proto$1.ordinal = ordinal; + proto$1.preparse = preParsePostFormat; + proto$1.postformat = preParsePostFormat; + proto$1.relativeTime = relativeTime; + proto$1.pastFuture = pastFuture; + proto$1.set = set; + + proto$1.months = localeMonths; + proto$1.monthsShort = localeMonthsShort; + proto$1.monthsParse = localeMonthsParse; + proto$1.monthsRegex = monthsRegex; + proto$1.monthsShortRegex = monthsShortRegex; + proto$1.week = localeWeek; + proto$1.firstDayOfYear = localeFirstDayOfYear; + proto$1.firstDayOfWeek = localeFirstDayOfWeek; + + proto$1.weekdays = localeWeekdays; + proto$1.weekdaysMin = localeWeekdaysMin; + proto$1.weekdaysShort = localeWeekdaysShort; + proto$1.weekdaysParse = localeWeekdaysParse; + + proto$1.weekdaysRegex = weekdaysRegex; + proto$1.weekdaysShortRegex = weekdaysShortRegex; + proto$1.weekdaysMinRegex = weekdaysMinRegex; + + proto$1.isPM = localeIsPM; + proto$1.meridiem = localeMeridiem; + + function get$1 (format, index, field, setter) { + var locale = getLocale(); + var utc = createUTC().set(setter, index); + return locale[field](utc, format); + } + + function listMonthsImpl (format, index, field) { + if (isNumber(format)) { + index = format; + format = undefined; + } + + format = format || ''; + + if (index != null) { + return get$1(format, index, field, 'month'); + } + + var i; + var out = []; + for (i = 0; i < 12; i++) { + out[i] = get$1(format, i, field, 'month'); + } + return out; + } + + // () + // (5) + // (fmt, 5) + // (fmt) + // (true) + // (true, 5) + // (true, fmt, 5) + // (true, fmt) + function listWeekdaysImpl (localeSorted, format, index, field) { + if (typeof localeSorted === 'boolean') { + if (isNumber(format)) { + index = format; + format = undefined; + } + + format = format || ''; + } else { + format = localeSorted; + index = format; + localeSorted = false; + + if (isNumber(format)) { + index = format; + format = undefined; + } + + format = format || ''; + } + + var locale = getLocale(), + shift = localeSorted ? locale._week.dow : 0; + + if (index != null) { + return get$1(format, (index + shift) % 7, field, 'day'); + } + + var i; + var out = []; + for (i = 0; i < 7; i++) { + out[i] = get$1(format, (i + shift) % 7, field, 'day'); + } + return out; + } + + function listMonths (format, index) { + return listMonthsImpl(format, index, 'months'); + } + + function listMonthsShort (format, index) { + return listMonthsImpl(format, index, 'monthsShort'); + } + + function listWeekdays (localeSorted, format, index) { + return listWeekdaysImpl(localeSorted, format, index, 'weekdays'); + } + + function listWeekdaysShort (localeSorted, format, index) { + return listWeekdaysImpl(localeSorted, format, index, 'weekdaysShort'); + } + + function listWeekdaysMin (localeSorted, format, index) { + return listWeekdaysImpl(localeSorted, format, index, 'weekdaysMin'); + } + + getSetGlobalLocale('en', { + dayOfMonthOrdinalParse: /\d{1,2}(th|st|nd|rd)/, + ordinal : function (number) { + var b = number % 10, + output = (toInt(number % 100 / 10) === 1) ? 'th' : + (b === 1) ? 'st' : + (b === 2) ? 'nd' : + (b === 3) ? 'rd' : 'th'; + return number + output; + } + }); + + // Side effect imports + + hooks.lang = deprecate('moment.lang is deprecated. Use moment.locale instead.', getSetGlobalLocale); + hooks.langData = deprecate('moment.langData is deprecated. Use moment.localeData instead.', getLocale); + + var mathAbs = Math.abs; + + function abs () { + var data = this._data; + + this._milliseconds = mathAbs(this._milliseconds); + this._days = mathAbs(this._days); + this._months = mathAbs(this._months); + + data.milliseconds = mathAbs(data.milliseconds); + data.seconds = mathAbs(data.seconds); + data.minutes = mathAbs(data.minutes); + data.hours = mathAbs(data.hours); + data.months = mathAbs(data.months); + data.years = mathAbs(data.years); + + return this; + } + + function addSubtract$1 (duration, input, value, direction) { + var other = createDuration(input, value); + + duration._milliseconds += direction * other._milliseconds; + duration._days += direction * other._days; + duration._months += direction * other._months; + + return duration._bubble(); + } + + // supports only 2.0-style add(1, 's') or add(duration) + function add$1 (input, value) { + return addSubtract$1(this, input, value, 1); + } + + // supports only 2.0-style subtract(1, 's') or subtract(duration) + function subtract$1 (input, value) { + return addSubtract$1(this, input, value, -1); + } + + function absCeil (number) { + if (number < 0) { + return Math.floor(number); + } else { + return Math.ceil(number); + } + } + + function bubble () { + var milliseconds = this._milliseconds; + var days = this._days; + var months = this._months; + var data = this._data; + var seconds, minutes, hours, years, monthsFromDays; + + // if we have a mix of positive and negative values, bubble down first + // check: https://github.com/moment/moment/issues/2166 + if (!((milliseconds >= 0 && days >= 0 && months >= 0) || + (milliseconds <= 0 && days <= 0 && months <= 0))) { + milliseconds += absCeil(monthsToDays(months) + days) * 864e5; + days = 0; + months = 0; + } + + // The following code bubbles up values, see the tests for + // examples of what that means. + data.milliseconds = milliseconds % 1000; + + seconds = absFloor(milliseconds / 1000); + data.seconds = seconds % 60; + + minutes = absFloor(seconds / 60); + data.minutes = minutes % 60; + + hours = absFloor(minutes / 60); + data.hours = hours % 24; + + days += absFloor(hours / 24); + + // convert days to months + monthsFromDays = absFloor(daysToMonths(days)); + months += monthsFromDays; + days -= absCeil(monthsToDays(monthsFromDays)); + + // 12 months -> 1 year + years = absFloor(months / 12); + months %= 12; + + data.days = days; + data.months = months; + data.years = years; + + return this; + } + + function daysToMonths (days) { + // 400 years have 146097 days (taking into account leap year rules) + // 400 years have 12 months === 4800 + return days * 4800 / 146097; + } + + function monthsToDays (months) { + // the reverse of daysToMonths + return months * 146097 / 4800; + } + + function as (units) { + if (!this.isValid()) { + return NaN; + } + var days; + var months; + var milliseconds = this._milliseconds; + + units = normalizeUnits(units); + + if (units === 'month' || units === 'year') { + days = this._days + milliseconds / 864e5; + months = this._months + daysToMonths(days); + return units === 'month' ? months : months / 12; + } else { + // handle milliseconds separately because of floating point math errors (issue #1867) + days = this._days + Math.round(monthsToDays(this._months)); + switch (units) { + case 'week' : return days / 7 + milliseconds / 6048e5; + case 'day' : return days + milliseconds / 864e5; + case 'hour' : return days * 24 + milliseconds / 36e5; + case 'minute' : return days * 1440 + milliseconds / 6e4; + case 'second' : return days * 86400 + milliseconds / 1000; + // Math.floor prevents floating point math errors here + case 'millisecond': return Math.floor(days * 864e5) + milliseconds; + default: throw new Error('Unknown unit ' + units); + } + } + } + + // TODO: Use this.as('ms')? + function valueOf$1 () { + if (!this.isValid()) { + return NaN; + } + return ( + this._milliseconds + + this._days * 864e5 + + (this._months % 12) * 2592e6 + + toInt(this._months / 12) * 31536e6 + ); + } + + function makeAs (alias) { + return function () { + return this.as(alias); + }; + } + + var asMilliseconds = makeAs('ms'); + var asSeconds = makeAs('s'); + var asMinutes = makeAs('m'); + var asHours = makeAs('h'); + var asDays = makeAs('d'); + var asWeeks = makeAs('w'); + var asMonths = makeAs('M'); + var asYears = makeAs('y'); + + function clone$1 () { + return createDuration(this); + } + + function get$2 (units) { + units = normalizeUnits(units); + return this.isValid() ? this[units + 's']() : NaN; + } + + function makeGetter(name) { + return function () { + return this.isValid() ? this._data[name] : NaN; + }; + } + + var milliseconds = makeGetter('milliseconds'); + var seconds = makeGetter('seconds'); + var minutes = makeGetter('minutes'); + var hours = makeGetter('hours'); + var days = makeGetter('days'); + var months = makeGetter('months'); + var years = makeGetter('years'); + + function weeks () { + return absFloor(this.days() / 7); + } + + var round = Math.round; + var thresholds = { + ss: 44, // a few seconds to seconds + s : 45, // seconds to minute + m : 45, // minutes to hour + h : 22, // hours to day + d : 26, // days to month + M : 11 // months to year + }; + + // helper function for moment.fn.from, moment.fn.fromNow, and moment.duration.fn.humanize + function substituteTimeAgo(string, number, withoutSuffix, isFuture, locale) { + return locale.relativeTime(number || 1, !!withoutSuffix, string, isFuture); + } + + function relativeTime$1 (posNegDuration, withoutSuffix, locale) { + var duration = createDuration(posNegDuration).abs(); + var seconds = round(duration.as('s')); + var minutes = round(duration.as('m')); + var hours = round(duration.as('h')); + var days = round(duration.as('d')); + var months = round(duration.as('M')); + var years = round(duration.as('y')); + + var a = seconds <= thresholds.ss && ['s', seconds] || + seconds < thresholds.s && ['ss', seconds] || + minutes <= 1 && ['m'] || + minutes < thresholds.m && ['mm', minutes] || + hours <= 1 && ['h'] || + hours < thresholds.h && ['hh', hours] || + days <= 1 && ['d'] || + days < thresholds.d && ['dd', days] || + months <= 1 && ['M'] || + months < thresholds.M && ['MM', months] || + years <= 1 && ['y'] || ['yy', years]; + + a[2] = withoutSuffix; + a[3] = +posNegDuration > 0; + a[4] = locale; + return substituteTimeAgo.apply(null, a); + } + + // This function allows you to set the rounding function for relative time strings + function getSetRelativeTimeRounding (roundingFunction) { + if (roundingFunction === undefined) { + return round; + } + if (typeof(roundingFunction) === 'function') { + round = roundingFunction; + return true; + } + return false; + } + + // This function allows you to set a threshold for relative time strings + function getSetRelativeTimeThreshold (threshold, limit) { + if (thresholds[threshold] === undefined) { + return false; + } + if (limit === undefined) { + return thresholds[threshold]; + } + thresholds[threshold] = limit; + if (threshold === 's') { + thresholds.ss = limit - 1; + } + return true; + } + + function humanize (withSuffix) { + if (!this.isValid()) { + return this.localeData().invalidDate(); + } + + var locale = this.localeData(); + var output = relativeTime$1(this, !withSuffix, locale); + + if (withSuffix) { + output = locale.pastFuture(+this, output); + } + + return locale.postformat(output); + } + + var abs$1 = Math.abs; + + function sign(x) { + return ((x > 0) - (x < 0)) || +x; + } + + function toISOString$1() { + // for ISO strings we do not use the normal bubbling rules: + // * milliseconds bubble up until they become hours + // * days do not bubble at all + // * months bubble up until they become years + // This is because there is no context-free conversion between hours and days + // (think of clock changes) + // and also not between days and months (28-31 days per month) + if (!this.isValid()) { + return this.localeData().invalidDate(); + } + + var seconds = abs$1(this._milliseconds) / 1000; + var days = abs$1(this._days); + var months = abs$1(this._months); + var minutes, hours, years; + + // 3600 seconds -> 60 minutes -> 1 hour + minutes = absFloor(seconds / 60); + hours = absFloor(minutes / 60); + seconds %= 60; + minutes %= 60; + + // 12 months -> 1 year + years = absFloor(months / 12); + months %= 12; + + + // inspired by https://github.com/dordille/moment-isoduration/blob/master/moment.isoduration.js + var Y = years; + var M = months; + var D = days; + var h = hours; + var m = minutes; + var s = seconds ? seconds.toFixed(3).replace(/\.?0+$/, '') : ''; + var total = this.asSeconds(); + + if (!total) { + // this is the same as C#'s (Noda) and python (isodate)... + // but not other JS (goog.date) + return 'P0D'; + } + + var totalSign = total < 0 ? '-' : ''; + var ymSign = sign(this._months) !== sign(total) ? '-' : ''; + var daysSign = sign(this._days) !== sign(total) ? '-' : ''; + var hmsSign = sign(this._milliseconds) !== sign(total) ? '-' : ''; + + return totalSign + 'P' + + (Y ? ymSign + Y + 'Y' : '') + + (M ? ymSign + M + 'M' : '') + + (D ? daysSign + D + 'D' : '') + + ((h || m || s) ? 'T' : '') + + (h ? hmsSign + h + 'H' : '') + + (m ? hmsSign + m + 'M' : '') + + (s ? hmsSign + s + 'S' : ''); + } + + var proto$2 = Duration.prototype; + + proto$2.isValid = isValid$1; + proto$2.abs = abs; + proto$2.add = add$1; + proto$2.subtract = subtract$1; + proto$2.as = as; + proto$2.asMilliseconds = asMilliseconds; + proto$2.asSeconds = asSeconds; + proto$2.asMinutes = asMinutes; + proto$2.asHours = asHours; + proto$2.asDays = asDays; + proto$2.asWeeks = asWeeks; + proto$2.asMonths = asMonths; + proto$2.asYears = asYears; + proto$2.valueOf = valueOf$1; + proto$2._bubble = bubble; + proto$2.clone = clone$1; + proto$2.get = get$2; + proto$2.milliseconds = milliseconds; + proto$2.seconds = seconds; + proto$2.minutes = minutes; + proto$2.hours = hours; + proto$2.days = days; + proto$2.weeks = weeks; + proto$2.months = months; + proto$2.years = years; + proto$2.humanize = humanize; + proto$2.toISOString = toISOString$1; + proto$2.toString = toISOString$1; + proto$2.toJSON = toISOString$1; + proto$2.locale = locale; + proto$2.localeData = localeData; + + proto$2.toIsoString = deprecate('toIsoString() is deprecated. Please use toISOString() instead (notice the capitals)', toISOString$1); + proto$2.lang = lang; + + // Side effect imports + + // FORMATTING + + addFormatToken('X', 0, 0, 'unix'); + addFormatToken('x', 0, 0, 'valueOf'); + + // PARSING + + addRegexToken('x', matchSigned); + addRegexToken('X', matchTimestamp); + addParseToken('X', function (input, array, config) { + config._d = new Date(parseFloat(input, 10) * 1000); + }); + addParseToken('x', function (input, array, config) { + config._d = new Date(toInt(input)); + }); + + // Side effect imports + + + hooks.version = '2.22.1'; + + setHookCallback(createLocal); + + hooks.fn = proto; + hooks.min = min; + hooks.max = max; + hooks.now = now; + hooks.utc = createUTC; + hooks.unix = createUnix; + hooks.months = listMonths; + hooks.isDate = isDate; + hooks.locale = getSetGlobalLocale; + hooks.invalid = createInvalid; + hooks.duration = createDuration; + hooks.isMoment = isMoment; + hooks.weekdays = listWeekdays; + hooks.parseZone = createInZone; + hooks.localeData = getLocale; + hooks.isDuration = isDuration; + hooks.monthsShort = listMonthsShort; + hooks.weekdaysMin = listWeekdaysMin; + hooks.defineLocale = defineLocale; + hooks.updateLocale = updateLocale; + hooks.locales = listLocales; + hooks.weekdaysShort = listWeekdaysShort; + hooks.normalizeUnits = normalizeUnits; + hooks.relativeTimeRounding = getSetRelativeTimeRounding; + hooks.relativeTimeThreshold = getSetRelativeTimeThreshold; + hooks.calendarFormat = getCalendarFormat; + hooks.prototype = proto; + + // currently HTML5 input type only supports 24-hour formats + hooks.HTML5_FMT = { + DATETIME_LOCAL: 'YYYY-MM-DDTHH:mm', // + DATETIME_LOCAL_SECONDS: 'YYYY-MM-DDTHH:mm:ss', // + DATETIME_LOCAL_MS: 'YYYY-MM-DDTHH:mm:ss.SSS', // + DATE: 'YYYY-MM-DD', // + TIME: 'HH:mm', // + TIME_SECONDS: 'HH:mm:ss', // + TIME_MS: 'HH:mm:ss.SSS', // + WEEK: 'YYYY-[W]WW', // + MONTH: 'YYYY-MM' // + }; + + return hooks; + +}))); + +/* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(235)(module))) + +/***/ }), +/* 2 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +var __extends = (this && this.__extends) || function (d, b) { + for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; + function __() { this.constructor = d; } + d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __()); +}; +var isFunction_1 = __webpack_require__(106); +var Subscription_1 = __webpack_require__(15); +var Observer_1 = __webpack_require__(222); +var rxSubscriber_1 = __webpack_require__(107); +/** + * Implements the {@link Observer} interface and extends the + * {@link Subscription} class. While the {@link Observer} is the public API for + * consuming the values of an {@link Observable}, all Observers get converted to + * a Subscriber, in order to provide Subscription-like capabilities such as + * `unsubscribe`. Subscriber is a common type in RxJS, and crucial for + * implementing operators, but it is rarely used as a public API. + * + * @class Subscriber + */ +var Subscriber = (function (_super) { + __extends(Subscriber, _super); + /** + * @param {Observer|function(value: T): void} [destinationOrNext] A partially + * defined Observer or a `next` callback function. + * @param {function(e: ?any): void} [error] The `error` callback of an + * Observer. + * @param {function(): void} [complete] The `complete` callback of an + * Observer. + */ + function Subscriber(destinationOrNext, error, complete) { + _super.call(this); + this.syncErrorValue = null; + this.syncErrorThrown = false; + this.syncErrorThrowable = false; + this.isStopped = false; + switch (arguments.length) { + case 0: + this.destination = Observer_1.empty; + break; + case 1: + if (!destinationOrNext) { + this.destination = Observer_1.empty; + break; + } + if (typeof destinationOrNext === 'object') { + // HACK(benlesh): To resolve an issue where Node users may have multiple + // copies of rxjs in their node_modules directory. + if (isTrustedSubscriber(destinationOrNext)) { + var trustedSubscriber = destinationOrNext[rxSubscriber_1.rxSubscriber](); + this.syncErrorThrowable = trustedSubscriber.syncErrorThrowable; + this.destination = trustedSubscriber; + trustedSubscriber.add(this); + } + else { + this.syncErrorThrowable = true; + this.destination = new SafeSubscriber(this, destinationOrNext); + } + break; + } + default: + this.syncErrorThrowable = true; + this.destination = new SafeSubscriber(this, destinationOrNext, error, complete); + break; + } + } + Subscriber.prototype[rxSubscriber_1.rxSubscriber] = function () { return this; }; + /** + * A static factory for a Subscriber, given a (potentially partial) definition + * of an Observer. + * @param {function(x: ?T): void} [next] The `next` callback of an Observer. + * @param {function(e: ?any): void} [error] The `error` callback of an + * Observer. + * @param {function(): void} [complete] The `complete` callback of an + * Observer. + * @return {Subscriber} A Subscriber wrapping the (partially defined) + * Observer represented by the given arguments. + */ + Subscriber.create = function (next, error, complete) { + var subscriber = new Subscriber(next, error, complete); + subscriber.syncErrorThrowable = false; + return subscriber; + }; + /** + * The {@link Observer} callback to receive notifications of type `next` from + * the Observable, with a value. The Observable may call this method 0 or more + * times. + * @param {T} [value] The `next` value. + * @return {void} + */ + Subscriber.prototype.next = function (value) { + if (!this.isStopped) { + this._next(value); + } + }; + /** + * The {@link Observer} callback to receive notifications of type `error` from + * the Observable, with an attached {@link Error}. Notifies the Observer that + * the Observable has experienced an error condition. + * @param {any} [err] The `error` exception. + * @return {void} + */ + Subscriber.prototype.error = function (err) { + if (!this.isStopped) { + this.isStopped = true; + this._error(err); + } + }; + /** + * The {@link Observer} callback to receive a valueless notification of type + * `complete` from the Observable. Notifies the Observer that the Observable + * has finished sending push-based notifications. + * @return {void} + */ + Subscriber.prototype.complete = function () { + if (!this.isStopped) { + this.isStopped = true; + this._complete(); + } + }; + Subscriber.prototype.unsubscribe = function () { + if (this.closed) { + return; + } + this.isStopped = true; + _super.prototype.unsubscribe.call(this); + }; + Subscriber.prototype._next = function (value) { + this.destination.next(value); + }; + Subscriber.prototype._error = function (err) { + this.destination.error(err); + this.unsubscribe(); + }; + Subscriber.prototype._complete = function () { + this.destination.complete(); + this.unsubscribe(); + }; + /** @deprecated internal use only */ Subscriber.prototype._unsubscribeAndRecycle = function () { + var _a = this, _parent = _a._parent, _parents = _a._parents; + this._parent = null; + this._parents = null; + this.unsubscribe(); + this.closed = false; + this.isStopped = false; + this._parent = _parent; + this._parents = _parents; + return this; + }; + return Subscriber; +}(Subscription_1.Subscription)); +exports.Subscriber = Subscriber; +/** + * We need this JSDoc comment for affecting ESDoc. + * @ignore + * @extends {Ignored} + */ +var SafeSubscriber = (function (_super) { + __extends(SafeSubscriber, _super); + function SafeSubscriber(_parentSubscriber, observerOrNext, error, complete) { + _super.call(this); + this._parentSubscriber = _parentSubscriber; + var next; + var context = this; + if (isFunction_1.isFunction(observerOrNext)) { + next = observerOrNext; + } + else if (observerOrNext) { + next = observerOrNext.next; + error = observerOrNext.error; + complete = observerOrNext.complete; + if (observerOrNext !== Observer_1.empty) { + context = Object.create(observerOrNext); + if (isFunction_1.isFunction(context.unsubscribe)) { + this.add(context.unsubscribe.bind(context)); + } + context.unsubscribe = this.unsubscribe.bind(this); + } + } + this._context = context; + this._next = next; + this._error = error; + this._complete = complete; + } + SafeSubscriber.prototype.next = function (value) { + if (!this.isStopped && this._next) { + var _parentSubscriber = this._parentSubscriber; + if (!_parentSubscriber.syncErrorThrowable) { + this.__tryOrUnsub(this._next, value); + } + else if (this.__tryOrSetError(_parentSubscriber, this._next, value)) { + this.unsubscribe(); + } + } + }; + SafeSubscriber.prototype.error = function (err) { + if (!this.isStopped) { + var _parentSubscriber = this._parentSubscriber; + if (this._error) { + if (!_parentSubscriber.syncErrorThrowable) { + this.__tryOrUnsub(this._error, err); + this.unsubscribe(); + } + else { + this.__tryOrSetError(_parentSubscriber, this._error, err); + this.unsubscribe(); + } + } + else if (!_parentSubscriber.syncErrorThrowable) { + this.unsubscribe(); + throw err; + } + else { + _parentSubscriber.syncErrorValue = err; + _parentSubscriber.syncErrorThrown = true; + this.unsubscribe(); + } + } + }; + SafeSubscriber.prototype.complete = function () { + var _this = this; + if (!this.isStopped) { + var _parentSubscriber = this._parentSubscriber; + if (this._complete) { + var wrappedComplete = function () { return _this._complete.call(_this._context); }; + if (!_parentSubscriber.syncErrorThrowable) { + this.__tryOrUnsub(wrappedComplete); + this.unsubscribe(); + } + else { + this.__tryOrSetError(_parentSubscriber, wrappedComplete); + this.unsubscribe(); + } + } + else { + this.unsubscribe(); + } + } + }; + SafeSubscriber.prototype.__tryOrUnsub = function (fn, value) { + try { + fn.call(this._context, value); + } + catch (err) { + this.unsubscribe(); + throw err; + } + }; + SafeSubscriber.prototype.__tryOrSetError = function (parent, fn, value) { + try { + fn.call(this._context, value); + } + catch (err) { + parent.syncErrorValue = err; + parent.syncErrorThrown = true; + return true; + } + return false; + }; + /** @deprecated internal use only */ SafeSubscriber.prototype._unsubscribe = function () { + var _parentSubscriber = this._parentSubscriber; + this._context = null; + this._parentSubscriber = null; + _parentSubscriber.unsubscribe(); + }; + return SafeSubscriber; +}(Subscriber)); +function isTrustedSubscriber(obj) { + return obj instanceof Subscriber || ('syncErrorThrowable' in obj && obj[rxSubscriber_1.rxSubscriber]); +} +//# sourceMappingURL=Subscriber.js.map + +/***/ }), +/* 3 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + + +if (false) { + module.exports = require('./cjs/react.production.min.js'); +} else { + module.exports = __webpack_require__(494); +} + + +/***/ }), +/* 4 */ +/***/ (function(module, exports, __webpack_require__) { + +var global = __webpack_require__(21); +var core = __webpack_require__(25); +var hide = __webpack_require__(48); +var redefine = __webpack_require__(47); +var ctx = __webpack_require__(50); +var PROTOTYPE = 'prototype'; + +var $export = function (type, name, source) { + var IS_FORCED = type & $export.F; + var IS_GLOBAL = type & $export.G; + var IS_STATIC = type & $export.S; + var IS_PROTO = type & $export.P; + var IS_BIND = type & $export.B; + var target = IS_GLOBAL ? global : IS_STATIC ? global[name] || (global[name] = {}) : (global[name] || {})[PROTOTYPE]; + var exports = IS_GLOBAL ? core : core[name] || (core[name] = {}); + var expProto = exports[PROTOTYPE] || (exports[PROTOTYPE] = {}); + var key, own, out, exp; + if (IS_GLOBAL) source = name; + for (key in source) { + // contains in native + own = !IS_FORCED && target && target[key] !== undefined; + // export native or passed + out = (own ? target : source)[key]; + // bind timers to global for call from export context + exp = IS_BIND && own ? ctx(out, global) : IS_PROTO && typeof out == 'function' ? ctx(Function.call, out) : out; + // extend global + if (target) redefine(target, key, out, type & $export.U); + // export + if (exports[key] != out) hide(exports, key, exp); + if (IS_PROTO && expProto[key] != out) expProto[key] = out; + } +}; +global.core = core; +// type bitmap +$export.F = 1; // forced +$export.G = 2; // global +$export.S = 4; // static +$export.P = 8; // proto +$export.B = 16; // bind +$export.W = 32; // wrap +$export.U = 64; // safe +$export.R = 128; // real proto method for `library` +module.exports = $export; + + +/***/ }), +/* 5 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; +/** + * Copyright (c) 2013-present, Facebook, Inc. + * + * This source code is licensed under the MIT license found in the + * LICENSE file in the root directory of this source tree. + * + */ + + + +/** + * Use invariant() to assert state which your program assumes to be true. + * + * Provide sprintf-style format (only %s is supported) and arguments + * to provide information about what broke and what you were + * expecting. + * + * The invariant message will be stripped in production, but the invariant + * will remain to ensure logic does not differ in production. + */ + +var validateFormat = function validateFormat(format) {}; + +if (true) { + validateFormat = function validateFormat(format) { + if (format === undefined) { + throw new Error('invariant requires an error message argument'); + } + }; +} + +function invariant(condition, format, a, b, c, d, e, f) { + validateFormat(format); + + if (!condition) { + var error; + if (format === undefined) { + error = new Error('Minified exception occurred; use the non-minified dev environment ' + 'for the full error message and additional helpful warnings.'); + } else { + var args = [a, b, c, d, e, f]; + var argIndex = 0; + error = new Error(format.replace(/%s/g, function () { + return args[argIndex++]; + })); + error.name = 'Invariant Violation'; + } + + error.framesToPop = 1; // we don't care about invariant's own frame + throw error; + } +} + +module.exports = invariant; + +/***/ }), +/* 6 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +var __extends = (this && this.__extends) || function (d, b) { + for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; + function __() { this.constructor = d; } + d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __()); +}; +var Subscriber_1 = __webpack_require__(2); +/** + * We need this JSDoc comment for affecting ESDoc. + * @ignore + * @extends {Ignored} + */ +var OuterSubscriber = (function (_super) { + __extends(OuterSubscriber, _super); + function OuterSubscriber() { + _super.apply(this, arguments); + } + OuterSubscriber.prototype.notifyNext = function (outerValue, innerValue, outerIndex, innerIndex, innerSub) { + this.destination.next(innerValue); + }; + OuterSubscriber.prototype.notifyError = function (error, innerSub) { + this.destination.error(error); + }; + OuterSubscriber.prototype.notifyComplete = function (innerSub) { + this.destination.complete(); + }; + return OuterSubscriber; +}(Subscriber_1.Subscriber)); +exports.OuterSubscriber = OuterSubscriber; +//# sourceMappingURL=OuterSubscriber.js.map + +/***/ }), +/* 7 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +var root_1 = __webpack_require__(22); +var isArrayLike_1 = __webpack_require__(226); +var isPromise_1 = __webpack_require__(227); +var isObject_1 = __webpack_require__(220); +var Observable_1 = __webpack_require__(0); +var iterator_1 = __webpack_require__(86); +var InnerSubscriber_1 = __webpack_require__(621); +var observable_1 = __webpack_require__(108); +function subscribeToResult(outerSubscriber, result, outerValue, outerIndex) { + var destination = new InnerSubscriber_1.InnerSubscriber(outerSubscriber, outerValue, outerIndex); + if (destination.closed) { + return null; + } + if (result instanceof Observable_1.Observable) { + if (result._isScalar) { + destination.next(result.value); + destination.complete(); + return null; + } + else { + destination.syncErrorThrowable = true; + return result.subscribe(destination); + } + } + else if (isArrayLike_1.isArrayLike(result)) { + for (var i = 0, len = result.length; i < len && !destination.closed; i++) { + destination.next(result[i]); + } + if (!destination.closed) { + destination.complete(); + } + } + else if (isPromise_1.isPromise(result)) { + result.then(function (value) { + if (!destination.closed) { + destination.next(value); + destination.complete(); + } + }, function (err) { return destination.error(err); }) + .then(null, function (err) { + // Escaping the Promise trap: globally throw unhandled errors + root_1.root.setTimeout(function () { throw err; }); + }); + return destination; + } + else if (result && typeof result[iterator_1.iterator] === 'function') { + var iterator = result[iterator_1.iterator](); + do { + var item = iterator.next(); + if (item.done) { + destination.complete(); + break; + } + destination.next(item.value); + if (destination.closed) { + break; + } + } while (true); + } + else if (result && typeof result[observable_1.observable] === 'function') { + var obs = result[observable_1.observable](); + if (typeof obs.subscribe !== 'function') { + destination.error(new TypeError('Provided object does not correctly implement Symbol.observable')); + } + else { + return obs.subscribe(new InnerSubscriber_1.InnerSubscriber(outerSubscriber, outerValue, outerIndex)); + } + } + else { + var value = isObject_1.isObject(result) ? 'an invalid object' : "'" + result + "'"; + var msg = ("You provided " + value + " where a stream was expected.") + + ' You can provide an Observable, Promise, Array, or Iterable.'; + destination.error(new TypeError(msg)); + } + return null; +} +exports.subscribeToResult = subscribeToResult; +//# sourceMappingURL=subscribeToResult.js.map + +/***/ }), +/* 8 */ +/***/ (function(module, exports, __webpack_require__) { + +/** + * Copyright (c) 2014-2015, Facebook, Inc. + * All rights reserved. + * + * This source code is licensed under the BSD-style license found in the + * LICENSE file in the root directory of this source tree. An additional grant + * of patent rights can be found in the PATENTS file in the same directory. + */ + +(function (global, factory) { + true ? module.exports = factory() : + typeof define === 'function' && define.amd ? define(factory) : + global.Immutable = factory(); +}(this, function () { 'use strict';var SLICE$0 = Array.prototype.slice; + + function createClass(ctor, superClass) { + if (superClass) { + ctor.prototype = Object.create(superClass.prototype); + } + ctor.prototype.constructor = ctor; + } + + function Iterable(value) { + return isIterable(value) ? value : Seq(value); + } + + + createClass(KeyedIterable, Iterable); + function KeyedIterable(value) { + return isKeyed(value) ? value : KeyedSeq(value); + } + + + createClass(IndexedIterable, Iterable); + function IndexedIterable(value) { + return isIndexed(value) ? value : IndexedSeq(value); + } + + + createClass(SetIterable, Iterable); + function SetIterable(value) { + return isIterable(value) && !isAssociative(value) ? value : SetSeq(value); + } + + + + function isIterable(maybeIterable) { + return !!(maybeIterable && maybeIterable[IS_ITERABLE_SENTINEL]); + } + + function isKeyed(maybeKeyed) { + return !!(maybeKeyed && maybeKeyed[IS_KEYED_SENTINEL]); + } + + function isIndexed(maybeIndexed) { + return !!(maybeIndexed && maybeIndexed[IS_INDEXED_SENTINEL]); + } + + function isAssociative(maybeAssociative) { + return isKeyed(maybeAssociative) || isIndexed(maybeAssociative); + } + + function isOrdered(maybeOrdered) { + return !!(maybeOrdered && maybeOrdered[IS_ORDERED_SENTINEL]); + } + + Iterable.isIterable = isIterable; + Iterable.isKeyed = isKeyed; + Iterable.isIndexed = isIndexed; + Iterable.isAssociative = isAssociative; + Iterable.isOrdered = isOrdered; + + Iterable.Keyed = KeyedIterable; + Iterable.Indexed = IndexedIterable; + Iterable.Set = SetIterable; + + + var IS_ITERABLE_SENTINEL = '@@__IMMUTABLE_ITERABLE__@@'; + var IS_KEYED_SENTINEL = '@@__IMMUTABLE_KEYED__@@'; + var IS_INDEXED_SENTINEL = '@@__IMMUTABLE_INDEXED__@@'; + var IS_ORDERED_SENTINEL = '@@__IMMUTABLE_ORDERED__@@'; + + // Used for setting prototype methods that IE8 chokes on. + var DELETE = 'delete'; + + // Constants describing the size of trie nodes. + var SHIFT = 5; // Resulted in best performance after ______? + var SIZE = 1 << SHIFT; + var MASK = SIZE - 1; + + // A consistent shared value representing "not set" which equals nothing other + // than itself, and nothing that could be provided externally. + var NOT_SET = {}; + + // Boolean references, Rough equivalent of `bool &`. + var CHANGE_LENGTH = { value: false }; + var DID_ALTER = { value: false }; + + function MakeRef(ref) { + ref.value = false; + return ref; + } + + function SetRef(ref) { + ref && (ref.value = true); + } + + // A function which returns a value representing an "owner" for transient writes + // to tries. The return value will only ever equal itself, and will not equal + // the return of any subsequent call of this function. + function OwnerID() {} + + // http://jsperf.com/copy-array-inline + function arrCopy(arr, offset) { + offset = offset || 0; + var len = Math.max(0, arr.length - offset); + var newArr = new Array(len); + for (var ii = 0; ii < len; ii++) { + newArr[ii] = arr[ii + offset]; + } + return newArr; + } + + function ensureSize(iter) { + if (iter.size === undefined) { + iter.size = iter.__iterate(returnTrue); + } + return iter.size; + } + + function wrapIndex(iter, index) { + // This implements "is array index" which the ECMAString spec defines as: + // + // A String property name P is an array index if and only if + // ToString(ToUint32(P)) is equal to P and ToUint32(P) is not equal + // to 2^32−1. + // + // http://www.ecma-international.org/ecma-262/6.0/#sec-array-exotic-objects + if (typeof index !== 'number') { + var uint32Index = index >>> 0; // N >>> 0 is shorthand for ToUint32 + if ('' + uint32Index !== index || uint32Index === 4294967295) { + return NaN; + } + index = uint32Index; + } + return index < 0 ? ensureSize(iter) + index : index; + } + + function returnTrue() { + return true; + } + + function wholeSlice(begin, end, size) { + return (begin === 0 || (size !== undefined && begin <= -size)) && + (end === undefined || (size !== undefined && end >= size)); + } + + function resolveBegin(begin, size) { + return resolveIndex(begin, size, 0); + } + + function resolveEnd(end, size) { + return resolveIndex(end, size, size); + } + + function resolveIndex(index, size, defaultIndex) { + return index === undefined ? + defaultIndex : + index < 0 ? + Math.max(0, size + index) : + size === undefined ? + index : + Math.min(size, index); + } + + /* global Symbol */ + + var ITERATE_KEYS = 0; + var ITERATE_VALUES = 1; + var ITERATE_ENTRIES = 2; + + var REAL_ITERATOR_SYMBOL = typeof Symbol === 'function' && Symbol.iterator; + var FAUX_ITERATOR_SYMBOL = '@@iterator'; + + var ITERATOR_SYMBOL = REAL_ITERATOR_SYMBOL || FAUX_ITERATOR_SYMBOL; + + + function Iterator(next) { + this.next = next; + } + + Iterator.prototype.toString = function() { + return '[Iterator]'; + }; + + + Iterator.KEYS = ITERATE_KEYS; + Iterator.VALUES = ITERATE_VALUES; + Iterator.ENTRIES = ITERATE_ENTRIES; + + Iterator.prototype.inspect = + Iterator.prototype.toSource = function () { return this.toString(); } + Iterator.prototype[ITERATOR_SYMBOL] = function () { + return this; + }; + + + function iteratorValue(type, k, v, iteratorResult) { + var value = type === 0 ? k : type === 1 ? v : [k, v]; + iteratorResult ? (iteratorResult.value = value) : (iteratorResult = { + value: value, done: false + }); + return iteratorResult; + } + + function iteratorDone() { + return { value: undefined, done: true }; + } + + function hasIterator(maybeIterable) { + return !!getIteratorFn(maybeIterable); + } + + function isIterator(maybeIterator) { + return maybeIterator && typeof maybeIterator.next === 'function'; + } + + function getIterator(iterable) { + var iteratorFn = getIteratorFn(iterable); + return iteratorFn && iteratorFn.call(iterable); + } + + function getIteratorFn(iterable) { + var iteratorFn = iterable && ( + (REAL_ITERATOR_SYMBOL && iterable[REAL_ITERATOR_SYMBOL]) || + iterable[FAUX_ITERATOR_SYMBOL] + ); + if (typeof iteratorFn === 'function') { + return iteratorFn; + } + } + + function isArrayLike(value) { + return value && typeof value.length === 'number'; + } + + createClass(Seq, Iterable); + function Seq(value) { + return value === null || value === undefined ? emptySequence() : + isIterable(value) ? value.toSeq() : seqFromValue(value); + } + + Seq.of = function(/*...values*/) { + return Seq(arguments); + }; + + Seq.prototype.toSeq = function() { + return this; + }; + + Seq.prototype.toString = function() { + return this.__toString('Seq {', '}'); + }; + + Seq.prototype.cacheResult = function() { + if (!this._cache && this.__iterateUncached) { + this._cache = this.entrySeq().toArray(); + this.size = this._cache.length; + } + return this; + }; + + // abstract __iterateUncached(fn, reverse) + + Seq.prototype.__iterate = function(fn, reverse) { + return seqIterate(this, fn, reverse, true); + }; + + // abstract __iteratorUncached(type, reverse) + + Seq.prototype.__iterator = function(type, reverse) { + return seqIterator(this, type, reverse, true); + }; + + + + createClass(KeyedSeq, Seq); + function KeyedSeq(value) { + return value === null || value === undefined ? + emptySequence().toKeyedSeq() : + isIterable(value) ? + (isKeyed(value) ? value.toSeq() : value.fromEntrySeq()) : + keyedSeqFromValue(value); + } + + KeyedSeq.prototype.toKeyedSeq = function() { + return this; + }; + + + + createClass(IndexedSeq, Seq); + function IndexedSeq(value) { + return value === null || value === undefined ? emptySequence() : + !isIterable(value) ? indexedSeqFromValue(value) : + isKeyed(value) ? value.entrySeq() : value.toIndexedSeq(); + } + + IndexedSeq.of = function(/*...values*/) { + return IndexedSeq(arguments); + }; + + IndexedSeq.prototype.toIndexedSeq = function() { + return this; + }; + + IndexedSeq.prototype.toString = function() { + return this.__toString('Seq [', ']'); + }; + + IndexedSeq.prototype.__iterate = function(fn, reverse) { + return seqIterate(this, fn, reverse, false); + }; + + IndexedSeq.prototype.__iterator = function(type, reverse) { + return seqIterator(this, type, reverse, false); + }; + + + + createClass(SetSeq, Seq); + function SetSeq(value) { + return ( + value === null || value === undefined ? emptySequence() : + !isIterable(value) ? indexedSeqFromValue(value) : + isKeyed(value) ? value.entrySeq() : value + ).toSetSeq(); + } + + SetSeq.of = function(/*...values*/) { + return SetSeq(arguments); + }; + + SetSeq.prototype.toSetSeq = function() { + return this; + }; + + + + Seq.isSeq = isSeq; + Seq.Keyed = KeyedSeq; + Seq.Set = SetSeq; + Seq.Indexed = IndexedSeq; + + var IS_SEQ_SENTINEL = '@@__IMMUTABLE_SEQ__@@'; + + Seq.prototype[IS_SEQ_SENTINEL] = true; + + + + createClass(ArraySeq, IndexedSeq); + function ArraySeq(array) { + this._array = array; + this.size = array.length; + } + + ArraySeq.prototype.get = function(index, notSetValue) { + return this.has(index) ? this._array[wrapIndex(this, index)] : notSetValue; + }; + + ArraySeq.prototype.__iterate = function(fn, reverse) { + var array = this._array; + var maxIndex = array.length - 1; + for (var ii = 0; ii <= maxIndex; ii++) { + if (fn(array[reverse ? maxIndex - ii : ii], ii, this) === false) { + return ii + 1; + } + } + return ii; + }; + + ArraySeq.prototype.__iterator = function(type, reverse) { + var array = this._array; + var maxIndex = array.length - 1; + var ii = 0; + return new Iterator(function() + {return ii > maxIndex ? + iteratorDone() : + iteratorValue(type, ii, array[reverse ? maxIndex - ii++ : ii++])} + ); + }; + + + + createClass(ObjectSeq, KeyedSeq); + function ObjectSeq(object) { + var keys = Object.keys(object); + this._object = object; + this._keys = keys; + this.size = keys.length; + } + + ObjectSeq.prototype.get = function(key, notSetValue) { + if (notSetValue !== undefined && !this.has(key)) { + return notSetValue; + } + return this._object[key]; + }; + + ObjectSeq.prototype.has = function(key) { + return this._object.hasOwnProperty(key); + }; + + ObjectSeq.prototype.__iterate = function(fn, reverse) { + var object = this._object; + var keys = this._keys; + var maxIndex = keys.length - 1; + for (var ii = 0; ii <= maxIndex; ii++) { + var key = keys[reverse ? maxIndex - ii : ii]; + if (fn(object[key], key, this) === false) { + return ii + 1; + } + } + return ii; + }; + + ObjectSeq.prototype.__iterator = function(type, reverse) { + var object = this._object; + var keys = this._keys; + var maxIndex = keys.length - 1; + var ii = 0; + return new Iterator(function() { + var key = keys[reverse ? maxIndex - ii : ii]; + return ii++ > maxIndex ? + iteratorDone() : + iteratorValue(type, key, object[key]); + }); + }; + + ObjectSeq.prototype[IS_ORDERED_SENTINEL] = true; + + + createClass(IterableSeq, IndexedSeq); + function IterableSeq(iterable) { + this._iterable = iterable; + this.size = iterable.length || iterable.size; + } + + IterableSeq.prototype.__iterateUncached = function(fn, reverse) { + if (reverse) { + return this.cacheResult().__iterate(fn, reverse); + } + var iterable = this._iterable; + var iterator = getIterator(iterable); + var iterations = 0; + if (isIterator(iterator)) { + var step; + while (!(step = iterator.next()).done) { + if (fn(step.value, iterations++, this) === false) { + break; + } + } + } + return iterations; + }; + + IterableSeq.prototype.__iteratorUncached = function(type, reverse) { + if (reverse) { + return this.cacheResult().__iterator(type, reverse); + } + var iterable = this._iterable; + var iterator = getIterator(iterable); + if (!isIterator(iterator)) { + return new Iterator(iteratorDone); + } + var iterations = 0; + return new Iterator(function() { + var step = iterator.next(); + return step.done ? step : iteratorValue(type, iterations++, step.value); + }); + }; + + + + createClass(IteratorSeq, IndexedSeq); + function IteratorSeq(iterator) { + this._iterator = iterator; + this._iteratorCache = []; + } + + IteratorSeq.prototype.__iterateUncached = function(fn, reverse) { + if (reverse) { + return this.cacheResult().__iterate(fn, reverse); + } + var iterator = this._iterator; + var cache = this._iteratorCache; + var iterations = 0; + while (iterations < cache.length) { + if (fn(cache[iterations], iterations++, this) === false) { + return iterations; + } + } + var step; + while (!(step = iterator.next()).done) { + var val = step.value; + cache[iterations] = val; + if (fn(val, iterations++, this) === false) { + break; + } + } + return iterations; + }; + + IteratorSeq.prototype.__iteratorUncached = function(type, reverse) { + if (reverse) { + return this.cacheResult().__iterator(type, reverse); + } + var iterator = this._iterator; + var cache = this._iteratorCache; + var iterations = 0; + return new Iterator(function() { + if (iterations >= cache.length) { + var step = iterator.next(); + if (step.done) { + return step; + } + cache[iterations] = step.value; + } + return iteratorValue(type, iterations, cache[iterations++]); + }); + }; + + + + + // # pragma Helper functions + + function isSeq(maybeSeq) { + return !!(maybeSeq && maybeSeq[IS_SEQ_SENTINEL]); + } + + var EMPTY_SEQ; + + function emptySequence() { + return EMPTY_SEQ || (EMPTY_SEQ = new ArraySeq([])); + } + + function keyedSeqFromValue(value) { + var seq = + Array.isArray(value) ? new ArraySeq(value).fromEntrySeq() : + isIterator(value) ? new IteratorSeq(value).fromEntrySeq() : + hasIterator(value) ? new IterableSeq(value).fromEntrySeq() : + typeof value === 'object' ? new ObjectSeq(value) : + undefined; + if (!seq) { + throw new TypeError( + 'Expected Array or iterable object of [k, v] entries, '+ + 'or keyed object: ' + value + ); + } + return seq; + } + + function indexedSeqFromValue(value) { + var seq = maybeIndexedSeqFromValue(value); + if (!seq) { + throw new TypeError( + 'Expected Array or iterable object of values: ' + value + ); + } + return seq; + } + + function seqFromValue(value) { + var seq = maybeIndexedSeqFromValue(value) || + (typeof value === 'object' && new ObjectSeq(value)); + if (!seq) { + throw new TypeError( + 'Expected Array or iterable object of values, or keyed object: ' + value + ); + } + return seq; + } + + function maybeIndexedSeqFromValue(value) { + return ( + isArrayLike(value) ? new ArraySeq(value) : + isIterator(value) ? new IteratorSeq(value) : + hasIterator(value) ? new IterableSeq(value) : + undefined + ); + } + + function seqIterate(seq, fn, reverse, useKeys) { + var cache = seq._cache; + if (cache) { + var maxIndex = cache.length - 1; + for (var ii = 0; ii <= maxIndex; ii++) { + var entry = cache[reverse ? maxIndex - ii : ii]; + if (fn(entry[1], useKeys ? entry[0] : ii, seq) === false) { + return ii + 1; + } + } + return ii; + } + return seq.__iterateUncached(fn, reverse); + } + + function seqIterator(seq, type, reverse, useKeys) { + var cache = seq._cache; + if (cache) { + var maxIndex = cache.length - 1; + var ii = 0; + return new Iterator(function() { + var entry = cache[reverse ? maxIndex - ii : ii]; + return ii++ > maxIndex ? + iteratorDone() : + iteratorValue(type, useKeys ? entry[0] : ii - 1, entry[1]); + }); + } + return seq.__iteratorUncached(type, reverse); + } + + function fromJS(json, converter) { + return converter ? + fromJSWith(converter, json, '', {'': json}) : + fromJSDefault(json); + } + + function fromJSWith(converter, json, key, parentJSON) { + if (Array.isArray(json)) { + return converter.call(parentJSON, key, IndexedSeq(json).map(function(v, k) {return fromJSWith(converter, v, k, json)})); + } + if (isPlainObj(json)) { + return converter.call(parentJSON, key, KeyedSeq(json).map(function(v, k) {return fromJSWith(converter, v, k, json)})); + } + return json; + } + + function fromJSDefault(json) { + if (Array.isArray(json)) { + return IndexedSeq(json).map(fromJSDefault).toList(); + } + if (isPlainObj(json)) { + return KeyedSeq(json).map(fromJSDefault).toMap(); + } + return json; + } + + function isPlainObj(value) { + return value && (value.constructor === Object || value.constructor === undefined); + } + + /** + * An extension of the "same-value" algorithm as [described for use by ES6 Map + * and Set](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map#Key_equality) + * + * NaN is considered the same as NaN, however -0 and 0 are considered the same + * value, which is different from the algorithm described by + * [`Object.is`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/is). + * + * This is extended further to allow Objects to describe the values they + * represent, by way of `valueOf` or `equals` (and `hashCode`). + * + * Note: because of this extension, the key equality of Immutable.Map and the + * value equality of Immutable.Set will differ from ES6 Map and Set. + * + * ### Defining custom values + * + * The easiest way to describe the value an object represents is by implementing + * `valueOf`. For example, `Date` represents a value by returning a unix + * timestamp for `valueOf`: + * + * var date1 = new Date(1234567890000); // Fri Feb 13 2009 ... + * var date2 = new Date(1234567890000); + * date1.valueOf(); // 1234567890000 + * assert( date1 !== date2 ); + * assert( Immutable.is( date1, date2 ) ); + * + * Note: overriding `valueOf` may have other implications if you use this object + * where JavaScript expects a primitive, such as implicit string coercion. + * + * For more complex types, especially collections, implementing `valueOf` may + * not be performant. An alternative is to implement `equals` and `hashCode`. + * + * `equals` takes another object, presumably of similar type, and returns true + * if the it is equal. Equality is symmetrical, so the same result should be + * returned if this and the argument are flipped. + * + * assert( a.equals(b) === b.equals(a) ); + * + * `hashCode` returns a 32bit integer number representing the object which will + * be used to determine how to store the value object in a Map or Set. You must + * provide both or neither methods, one must not exist without the other. + * + * Also, an important relationship between these methods must be upheld: if two + * values are equal, they *must* return the same hashCode. If the values are not + * equal, they might have the same hashCode; this is called a hash collision, + * and while undesirable for performance reasons, it is acceptable. + * + * if (a.equals(b)) { + * assert( a.hashCode() === b.hashCode() ); + * } + * + * All Immutable collections implement `equals` and `hashCode`. + * + */ + function is(valueA, valueB) { + if (valueA === valueB || (valueA !== valueA && valueB !== valueB)) { + return true; + } + if (!valueA || !valueB) { + return false; + } + if (typeof valueA.valueOf === 'function' && + typeof valueB.valueOf === 'function') { + valueA = valueA.valueOf(); + valueB = valueB.valueOf(); + if (valueA === valueB || (valueA !== valueA && valueB !== valueB)) { + return true; + } + if (!valueA || !valueB) { + return false; + } + } + if (typeof valueA.equals === 'function' && + typeof valueB.equals === 'function' && + valueA.equals(valueB)) { + return true; + } + return false; + } + + function deepEqual(a, b) { + if (a === b) { + return true; + } + + if ( + !isIterable(b) || + a.size !== undefined && b.size !== undefined && a.size !== b.size || + a.__hash !== undefined && b.__hash !== undefined && a.__hash !== b.__hash || + isKeyed(a) !== isKeyed(b) || + isIndexed(a) !== isIndexed(b) || + isOrdered(a) !== isOrdered(b) + ) { + return false; + } + + if (a.size === 0 && b.size === 0) { + return true; + } + + var notAssociative = !isAssociative(a); + + if (isOrdered(a)) { + var entries = a.entries(); + return b.every(function(v, k) { + var entry = entries.next().value; + return entry && is(entry[1], v) && (notAssociative || is(entry[0], k)); + }) && entries.next().done; + } + + var flipped = false; + + if (a.size === undefined) { + if (b.size === undefined) { + if (typeof a.cacheResult === 'function') { + a.cacheResult(); + } + } else { + flipped = true; + var _ = a; + a = b; + b = _; + } + } + + var allEqual = true; + var bSize = b.__iterate(function(v, k) { + if (notAssociative ? !a.has(v) : + flipped ? !is(v, a.get(k, NOT_SET)) : !is(a.get(k, NOT_SET), v)) { + allEqual = false; + return false; + } + }); + + return allEqual && a.size === bSize; + } + + createClass(Repeat, IndexedSeq); + + function Repeat(value, times) { + if (!(this instanceof Repeat)) { + return new Repeat(value, times); + } + this._value = value; + this.size = times === undefined ? Infinity : Math.max(0, times); + if (this.size === 0) { + if (EMPTY_REPEAT) { + return EMPTY_REPEAT; + } + EMPTY_REPEAT = this; + } + } + + Repeat.prototype.toString = function() { + if (this.size === 0) { + return 'Repeat []'; + } + return 'Repeat [ ' + this._value + ' ' + this.size + ' times ]'; + }; + + Repeat.prototype.get = function(index, notSetValue) { + return this.has(index) ? this._value : notSetValue; + }; + + Repeat.prototype.includes = function(searchValue) { + return is(this._value, searchValue); + }; + + Repeat.prototype.slice = function(begin, end) { + var size = this.size; + return wholeSlice(begin, end, size) ? this : + new Repeat(this._value, resolveEnd(end, size) - resolveBegin(begin, size)); + }; + + Repeat.prototype.reverse = function() { + return this; + }; + + Repeat.prototype.indexOf = function(searchValue) { + if (is(this._value, searchValue)) { + return 0; + } + return -1; + }; + + Repeat.prototype.lastIndexOf = function(searchValue) { + if (is(this._value, searchValue)) { + return this.size; + } + return -1; + }; + + Repeat.prototype.__iterate = function(fn, reverse) { + for (var ii = 0; ii < this.size; ii++) { + if (fn(this._value, ii, this) === false) { + return ii + 1; + } + } + return ii; + }; + + Repeat.prototype.__iterator = function(type, reverse) {var this$0 = this; + var ii = 0; + return new Iterator(function() + {return ii < this$0.size ? iteratorValue(type, ii++, this$0._value) : iteratorDone()} + ); + }; + + Repeat.prototype.equals = function(other) { + return other instanceof Repeat ? + is(this._value, other._value) : + deepEqual(other); + }; + + + var EMPTY_REPEAT; + + function invariant(condition, error) { + if (!condition) throw new Error(error); + } + + createClass(Range, IndexedSeq); + + function Range(start, end, step) { + if (!(this instanceof Range)) { + return new Range(start, end, step); + } + invariant(step !== 0, 'Cannot step a Range by 0'); + start = start || 0; + if (end === undefined) { + end = Infinity; + } + step = step === undefined ? 1 : Math.abs(step); + if (end < start) { + step = -step; + } + this._start = start; + this._end = end; + this._step = step; + this.size = Math.max(0, Math.ceil((end - start) / step - 1) + 1); + if (this.size === 0) { + if (EMPTY_RANGE) { + return EMPTY_RANGE; + } + EMPTY_RANGE = this; + } + } + + Range.prototype.toString = function() { + if (this.size === 0) { + return 'Range []'; + } + return 'Range [ ' + + this._start + '...' + this._end + + (this._step > 1 ? ' by ' + this._step : '') + + ' ]'; + }; + + Range.prototype.get = function(index, notSetValue) { + return this.has(index) ? + this._start + wrapIndex(this, index) * this._step : + notSetValue; + }; + + Range.prototype.includes = function(searchValue) { + var possibleIndex = (searchValue - this._start) / this._step; + return possibleIndex >= 0 && + possibleIndex < this.size && + possibleIndex === Math.floor(possibleIndex); + }; + + Range.prototype.slice = function(begin, end) { + if (wholeSlice(begin, end, this.size)) { + return this; + } + begin = resolveBegin(begin, this.size); + end = resolveEnd(end, this.size); + if (end <= begin) { + return new Range(0, 0); + } + return new Range(this.get(begin, this._end), this.get(end, this._end), this._step); + }; + + Range.prototype.indexOf = function(searchValue) { + var offsetValue = searchValue - this._start; + if (offsetValue % this._step === 0) { + var index = offsetValue / this._step; + if (index >= 0 && index < this.size) { + return index + } + } + return -1; + }; + + Range.prototype.lastIndexOf = function(searchValue) { + return this.indexOf(searchValue); + }; + + Range.prototype.__iterate = function(fn, reverse) { + var maxIndex = this.size - 1; + var step = this._step; + var value = reverse ? this._start + maxIndex * step : this._start; + for (var ii = 0; ii <= maxIndex; ii++) { + if (fn(value, ii, this) === false) { + return ii + 1; + } + value += reverse ? -step : step; + } + return ii; + }; + + Range.prototype.__iterator = function(type, reverse) { + var maxIndex = this.size - 1; + var step = this._step; + var value = reverse ? this._start + maxIndex * step : this._start; + var ii = 0; + return new Iterator(function() { + var v = value; + value += reverse ? -step : step; + return ii > maxIndex ? iteratorDone() : iteratorValue(type, ii++, v); + }); + }; + + Range.prototype.equals = function(other) { + return other instanceof Range ? + this._start === other._start && + this._end === other._end && + this._step === other._step : + deepEqual(this, other); + }; + + + var EMPTY_RANGE; + + createClass(Collection, Iterable); + function Collection() { + throw TypeError('Abstract'); + } + + + createClass(KeyedCollection, Collection);function KeyedCollection() {} + + createClass(IndexedCollection, Collection);function IndexedCollection() {} + + createClass(SetCollection, Collection);function SetCollection() {} + + + Collection.Keyed = KeyedCollection; + Collection.Indexed = IndexedCollection; + Collection.Set = SetCollection; + + var imul = + typeof Math.imul === 'function' && Math.imul(0xffffffff, 2) === -2 ? + Math.imul : + function imul(a, b) { + a = a | 0; // int + b = b | 0; // int + var c = a & 0xffff; + var d = b & 0xffff; + // Shift by 0 fixes the sign on the high part. + return (c * d) + ((((a >>> 16) * d + c * (b >>> 16)) << 16) >>> 0) | 0; // int + }; + + // v8 has an optimization for storing 31-bit signed numbers. + // Values which have either 00 or 11 as the high order bits qualify. + // This function drops the highest order bit in a signed number, maintaining + // the sign bit. + function smi(i32) { + return ((i32 >>> 1) & 0x40000000) | (i32 & 0xBFFFFFFF); + } + + function hash(o) { + if (o === false || o === null || o === undefined) { + return 0; + } + if (typeof o.valueOf === 'function') { + o = o.valueOf(); + if (o === false || o === null || o === undefined) { + return 0; + } + } + if (o === true) { + return 1; + } + var type = typeof o; + if (type === 'number') { + var h = o | 0; + if (h !== o) { + h ^= o * 0xFFFFFFFF; + } + while (o > 0xFFFFFFFF) { + o /= 0xFFFFFFFF; + h ^= o; + } + return smi(h); + } + if (type === 'string') { + return o.length > STRING_HASH_CACHE_MIN_STRLEN ? cachedHashString(o) : hashString(o); + } + if (typeof o.hashCode === 'function') { + return o.hashCode(); + } + if (type === 'object') { + return hashJSObj(o); + } + if (typeof o.toString === 'function') { + return hashString(o.toString()); + } + throw new Error('Value type ' + type + ' cannot be hashed.'); + } + + function cachedHashString(string) { + var hash = stringHashCache[string]; + if (hash === undefined) { + hash = hashString(string); + if (STRING_HASH_CACHE_SIZE === STRING_HASH_CACHE_MAX_SIZE) { + STRING_HASH_CACHE_SIZE = 0; + stringHashCache = {}; + } + STRING_HASH_CACHE_SIZE++; + stringHashCache[string] = hash; + } + return hash; + } + + // http://jsperf.com/hashing-strings + function hashString(string) { + // This is the hash from JVM + // The hash code for a string is computed as + // s[0] * 31 ^ (n - 1) + s[1] * 31 ^ (n - 2) + ... + s[n - 1], + // where s[i] is the ith character of the string and n is the length of + // the string. We "mod" the result to make it between 0 (inclusive) and 2^31 + // (exclusive) by dropping high bits. + var hash = 0; + for (var ii = 0; ii < string.length; ii++) { + hash = 31 * hash + string.charCodeAt(ii) | 0; + } + return smi(hash); + } + + function hashJSObj(obj) { + var hash; + if (usingWeakMap) { + hash = weakMap.get(obj); + if (hash !== undefined) { + return hash; + } + } + + hash = obj[UID_HASH_KEY]; + if (hash !== undefined) { + return hash; + } + + if (!canDefineProperty) { + hash = obj.propertyIsEnumerable && obj.propertyIsEnumerable[UID_HASH_KEY]; + if (hash !== undefined) { + return hash; + } + + hash = getIENodeHash(obj); + if (hash !== undefined) { + return hash; + } + } + + hash = ++objHashUID; + if (objHashUID & 0x40000000) { + objHashUID = 0; + } + + if (usingWeakMap) { + weakMap.set(obj, hash); + } else if (isExtensible !== undefined && isExtensible(obj) === false) { + throw new Error('Non-extensible objects are not allowed as keys.'); + } else if (canDefineProperty) { + Object.defineProperty(obj, UID_HASH_KEY, { + 'enumerable': false, + 'configurable': false, + 'writable': false, + 'value': hash + }); + } else if (obj.propertyIsEnumerable !== undefined && + obj.propertyIsEnumerable === obj.constructor.prototype.propertyIsEnumerable) { + // Since we can't define a non-enumerable property on the object + // we'll hijack one of the less-used non-enumerable properties to + // save our hash on it. Since this is a function it will not show up in + // `JSON.stringify` which is what we want. + obj.propertyIsEnumerable = function() { + return this.constructor.prototype.propertyIsEnumerable.apply(this, arguments); + }; + obj.propertyIsEnumerable[UID_HASH_KEY] = hash; + } else if (obj.nodeType !== undefined) { + // At this point we couldn't get the IE `uniqueID` to use as a hash + // and we couldn't use a non-enumerable property to exploit the + // dontEnum bug so we simply add the `UID_HASH_KEY` on the node + // itself. + obj[UID_HASH_KEY] = hash; + } else { + throw new Error('Unable to set a non-enumerable property on object.'); + } + + return hash; + } + + // Get references to ES5 object methods. + var isExtensible = Object.isExtensible; + + // True if Object.defineProperty works as expected. IE8 fails this test. + var canDefineProperty = (function() { + try { + Object.defineProperty({}, '@', {}); + return true; + } catch (e) { + return false; + } + }()); + + // IE has a `uniqueID` property on DOM nodes. We can construct the hash from it + // and avoid memory leaks from the IE cloneNode bug. + function getIENodeHash(node) { + if (node && node.nodeType > 0) { + switch (node.nodeType) { + case 1: // Element + return node.uniqueID; + case 9: // Document + return node.documentElement && node.documentElement.uniqueID; + } + } + } + + // If possible, use a WeakMap. + var usingWeakMap = typeof WeakMap === 'function'; + var weakMap; + if (usingWeakMap) { + weakMap = new WeakMap(); + } + + var objHashUID = 0; + + var UID_HASH_KEY = '__immutablehash__'; + if (typeof Symbol === 'function') { + UID_HASH_KEY = Symbol(UID_HASH_KEY); + } + + var STRING_HASH_CACHE_MIN_STRLEN = 16; + var STRING_HASH_CACHE_MAX_SIZE = 255; + var STRING_HASH_CACHE_SIZE = 0; + var stringHashCache = {}; + + function assertNotInfinite(size) { + invariant( + size !== Infinity, + 'Cannot perform this action with an infinite size.' + ); + } + + createClass(Map, KeyedCollection); + + // @pragma Construction + + function Map(value) { + return value === null || value === undefined ? emptyMap() : + isMap(value) && !isOrdered(value) ? value : + emptyMap().withMutations(function(map ) { + var iter = KeyedIterable(value); + assertNotInfinite(iter.size); + iter.forEach(function(v, k) {return map.set(k, v)}); + }); + } + + Map.prototype.toString = function() { + return this.__toString('Map {', '}'); + }; + + // @pragma Access + + Map.prototype.get = function(k, notSetValue) { + return this._root ? + this._root.get(0, undefined, k, notSetValue) : + notSetValue; + }; + + // @pragma Modification + + Map.prototype.set = function(k, v) { + return updateMap(this, k, v); + }; + + Map.prototype.setIn = function(keyPath, v) { + return this.updateIn(keyPath, NOT_SET, function() {return v}); + }; + + Map.prototype.remove = function(k) { + return updateMap(this, k, NOT_SET); + }; + + Map.prototype.deleteIn = function(keyPath) { + return this.updateIn(keyPath, function() {return NOT_SET}); + }; + + Map.prototype.update = function(k, notSetValue, updater) { + return arguments.length === 1 ? + k(this) : + this.updateIn([k], notSetValue, updater); + }; + + Map.prototype.updateIn = function(keyPath, notSetValue, updater) { + if (!updater) { + updater = notSetValue; + notSetValue = undefined; + } + var updatedValue = updateInDeepMap( + this, + forceIterator(keyPath), + notSetValue, + updater + ); + return updatedValue === NOT_SET ? undefined : updatedValue; + }; + + Map.prototype.clear = function() { + if (this.size === 0) { + return this; + } + if (this.__ownerID) { + this.size = 0; + this._root = null; + this.__hash = undefined; + this.__altered = true; + return this; + } + return emptyMap(); + }; + + // @pragma Composition + + Map.prototype.merge = function(/*...iters*/) { + return mergeIntoMapWith(this, undefined, arguments); + }; + + Map.prototype.mergeWith = function(merger) {var iters = SLICE$0.call(arguments, 1); + return mergeIntoMapWith(this, merger, iters); + }; + + Map.prototype.mergeIn = function(keyPath) {var iters = SLICE$0.call(arguments, 1); + return this.updateIn( + keyPath, + emptyMap(), + function(m ) {return typeof m.merge === 'function' ? + m.merge.apply(m, iters) : + iters[iters.length - 1]} + ); + }; + + Map.prototype.mergeDeep = function(/*...iters*/) { + return mergeIntoMapWith(this, deepMerger, arguments); + }; + + Map.prototype.mergeDeepWith = function(merger) {var iters = SLICE$0.call(arguments, 1); + return mergeIntoMapWith(this, deepMergerWith(merger), iters); + }; + + Map.prototype.mergeDeepIn = function(keyPath) {var iters = SLICE$0.call(arguments, 1); + return this.updateIn( + keyPath, + emptyMap(), + function(m ) {return typeof m.mergeDeep === 'function' ? + m.mergeDeep.apply(m, iters) : + iters[iters.length - 1]} + ); + }; + + Map.prototype.sort = function(comparator) { + // Late binding + return OrderedMap(sortFactory(this, comparator)); + }; + + Map.prototype.sortBy = function(mapper, comparator) { + // Late binding + return OrderedMap(sortFactory(this, comparator, mapper)); + }; + + // @pragma Mutability + + Map.prototype.withMutations = function(fn) { + var mutable = this.asMutable(); + fn(mutable); + return mutable.wasAltered() ? mutable.__ensureOwner(this.__ownerID) : this; + }; + + Map.prototype.asMutable = function() { + return this.__ownerID ? this : this.__ensureOwner(new OwnerID()); + }; + + Map.prototype.asImmutable = function() { + return this.__ensureOwner(); + }; + + Map.prototype.wasAltered = function() { + return this.__altered; + }; + + Map.prototype.__iterator = function(type, reverse) { + return new MapIterator(this, type, reverse); + }; + + Map.prototype.__iterate = function(fn, reverse) {var this$0 = this; + var iterations = 0; + this._root && this._root.iterate(function(entry ) { + iterations++; + return fn(entry[1], entry[0], this$0); + }, reverse); + return iterations; + }; + + Map.prototype.__ensureOwner = function(ownerID) { + if (ownerID === this.__ownerID) { + return this; + } + if (!ownerID) { + this.__ownerID = ownerID; + this.__altered = false; + return this; + } + return makeMap(this.size, this._root, ownerID, this.__hash); + }; + + + function isMap(maybeMap) { + return !!(maybeMap && maybeMap[IS_MAP_SENTINEL]); + } + + Map.isMap = isMap; + + var IS_MAP_SENTINEL = '@@__IMMUTABLE_MAP__@@'; + + var MapPrototype = Map.prototype; + MapPrototype[IS_MAP_SENTINEL] = true; + MapPrototype[DELETE] = MapPrototype.remove; + MapPrototype.removeIn = MapPrototype.deleteIn; + + + // #pragma Trie Nodes + + + + function ArrayMapNode(ownerID, entries) { + this.ownerID = ownerID; + this.entries = entries; + } + + ArrayMapNode.prototype.get = function(shift, keyHash, key, notSetValue) { + var entries = this.entries; + for (var ii = 0, len = entries.length; ii < len; ii++) { + if (is(key, entries[ii][0])) { + return entries[ii][1]; + } + } + return notSetValue; + }; + + ArrayMapNode.prototype.update = function(ownerID, shift, keyHash, key, value, didChangeSize, didAlter) { + var removed = value === NOT_SET; + + var entries = this.entries; + var idx = 0; + for (var len = entries.length; idx < len; idx++) { + if (is(key, entries[idx][0])) { + break; + } + } + var exists = idx < len; + + if (exists ? entries[idx][1] === value : removed) { + return this; + } + + SetRef(didAlter); + (removed || !exists) && SetRef(didChangeSize); + + if (removed && entries.length === 1) { + return; // undefined + } + + if (!exists && !removed && entries.length >= MAX_ARRAY_MAP_SIZE) { + return createNodes(ownerID, entries, key, value); + } + + var isEditable = ownerID && ownerID === this.ownerID; + var newEntries = isEditable ? entries : arrCopy(entries); + + if (exists) { + if (removed) { + idx === len - 1 ? newEntries.pop() : (newEntries[idx] = newEntries.pop()); + } else { + newEntries[idx] = [key, value]; + } + } else { + newEntries.push([key, value]); + } + + if (isEditable) { + this.entries = newEntries; + return this; + } + + return new ArrayMapNode(ownerID, newEntries); + }; + + + + + function BitmapIndexedNode(ownerID, bitmap, nodes) { + this.ownerID = ownerID; + this.bitmap = bitmap; + this.nodes = nodes; + } + + BitmapIndexedNode.prototype.get = function(shift, keyHash, key, notSetValue) { + if (keyHash === undefined) { + keyHash = hash(key); + } + var bit = (1 << ((shift === 0 ? keyHash : keyHash >>> shift) & MASK)); + var bitmap = this.bitmap; + return (bitmap & bit) === 0 ? notSetValue : + this.nodes[popCount(bitmap & (bit - 1))].get(shift + SHIFT, keyHash, key, notSetValue); + }; + + BitmapIndexedNode.prototype.update = function(ownerID, shift, keyHash, key, value, didChangeSize, didAlter) { + if (keyHash === undefined) { + keyHash = hash(key); + } + var keyHashFrag = (shift === 0 ? keyHash : keyHash >>> shift) & MASK; + var bit = 1 << keyHashFrag; + var bitmap = this.bitmap; + var exists = (bitmap & bit) !== 0; + + if (!exists && value === NOT_SET) { + return this; + } + + var idx = popCount(bitmap & (bit - 1)); + var nodes = this.nodes; + var node = exists ? nodes[idx] : undefined; + var newNode = updateNode(node, ownerID, shift + SHIFT, keyHash, key, value, didChangeSize, didAlter); + + if (newNode === node) { + return this; + } + + if (!exists && newNode && nodes.length >= MAX_BITMAP_INDEXED_SIZE) { + return expandNodes(ownerID, nodes, bitmap, keyHashFrag, newNode); + } + + if (exists && !newNode && nodes.length === 2 && isLeafNode(nodes[idx ^ 1])) { + return nodes[idx ^ 1]; + } + + if (exists && newNode && nodes.length === 1 && isLeafNode(newNode)) { + return newNode; + } + + var isEditable = ownerID && ownerID === this.ownerID; + var newBitmap = exists ? newNode ? bitmap : bitmap ^ bit : bitmap | bit; + var newNodes = exists ? newNode ? + setIn(nodes, idx, newNode, isEditable) : + spliceOut(nodes, idx, isEditable) : + spliceIn(nodes, idx, newNode, isEditable); + + if (isEditable) { + this.bitmap = newBitmap; + this.nodes = newNodes; + return this; + } + + return new BitmapIndexedNode(ownerID, newBitmap, newNodes); + }; + + + + + function HashArrayMapNode(ownerID, count, nodes) { + this.ownerID = ownerID; + this.count = count; + this.nodes = nodes; + } + + HashArrayMapNode.prototype.get = function(shift, keyHash, key, notSetValue) { + if (keyHash === undefined) { + keyHash = hash(key); + } + var idx = (shift === 0 ? keyHash : keyHash >>> shift) & MASK; + var node = this.nodes[idx]; + return node ? node.get(shift + SHIFT, keyHash, key, notSetValue) : notSetValue; + }; + + HashArrayMapNode.prototype.update = function(ownerID, shift, keyHash, key, value, didChangeSize, didAlter) { + if (keyHash === undefined) { + keyHash = hash(key); + } + var idx = (shift === 0 ? keyHash : keyHash >>> shift) & MASK; + var removed = value === NOT_SET; + var nodes = this.nodes; + var node = nodes[idx]; + + if (removed && !node) { + return this; + } + + var newNode = updateNode(node, ownerID, shift + SHIFT, keyHash, key, value, didChangeSize, didAlter); + if (newNode === node) { + return this; + } + + var newCount = this.count; + if (!node) { + newCount++; + } else if (!newNode) { + newCount--; + if (newCount < MIN_HASH_ARRAY_MAP_SIZE) { + return packNodes(ownerID, nodes, newCount, idx); + } + } + + var isEditable = ownerID && ownerID === this.ownerID; + var newNodes = setIn(nodes, idx, newNode, isEditable); + + if (isEditable) { + this.count = newCount; + this.nodes = newNodes; + return this; + } + + return new HashArrayMapNode(ownerID, newCount, newNodes); + }; + + + + + function HashCollisionNode(ownerID, keyHash, entries) { + this.ownerID = ownerID; + this.keyHash = keyHash; + this.entries = entries; + } + + HashCollisionNode.prototype.get = function(shift, keyHash, key, notSetValue) { + var entries = this.entries; + for (var ii = 0, len = entries.length; ii < len; ii++) { + if (is(key, entries[ii][0])) { + return entries[ii][1]; + } + } + return notSetValue; + }; + + HashCollisionNode.prototype.update = function(ownerID, shift, keyHash, key, value, didChangeSize, didAlter) { + if (keyHash === undefined) { + keyHash = hash(key); + } + + var removed = value === NOT_SET; + + if (keyHash !== this.keyHash) { + if (removed) { + return this; + } + SetRef(didAlter); + SetRef(didChangeSize); + return mergeIntoNode(this, ownerID, shift, keyHash, [key, value]); + } + + var entries = this.entries; + var idx = 0; + for (var len = entries.length; idx < len; idx++) { + if (is(key, entries[idx][0])) { + break; + } + } + var exists = idx < len; + + if (exists ? entries[idx][1] === value : removed) { + return this; + } + + SetRef(didAlter); + (removed || !exists) && SetRef(didChangeSize); + + if (removed && len === 2) { + return new ValueNode(ownerID, this.keyHash, entries[idx ^ 1]); + } + + var isEditable = ownerID && ownerID === this.ownerID; + var newEntries = isEditable ? entries : arrCopy(entries); + + if (exists) { + if (removed) { + idx === len - 1 ? newEntries.pop() : (newEntries[idx] = newEntries.pop()); + } else { + newEntries[idx] = [key, value]; + } + } else { + newEntries.push([key, value]); + } + + if (isEditable) { + this.entries = newEntries; + return this; + } + + return new HashCollisionNode(ownerID, this.keyHash, newEntries); + }; + + + + + function ValueNode(ownerID, keyHash, entry) { + this.ownerID = ownerID; + this.keyHash = keyHash; + this.entry = entry; + } + + ValueNode.prototype.get = function(shift, keyHash, key, notSetValue) { + return is(key, this.entry[0]) ? this.entry[1] : notSetValue; + }; + + ValueNode.prototype.update = function(ownerID, shift, keyHash, key, value, didChangeSize, didAlter) { + var removed = value === NOT_SET; + var keyMatch = is(key, this.entry[0]); + if (keyMatch ? value === this.entry[1] : removed) { + return this; + } + + SetRef(didAlter); + + if (removed) { + SetRef(didChangeSize); + return; // undefined + } + + if (keyMatch) { + if (ownerID && ownerID === this.ownerID) { + this.entry[1] = value; + return this; + } + return new ValueNode(ownerID, this.keyHash, [key, value]); + } + + SetRef(didChangeSize); + return mergeIntoNode(this, ownerID, shift, hash(key), [key, value]); + }; + + + + // #pragma Iterators + + ArrayMapNode.prototype.iterate = + HashCollisionNode.prototype.iterate = function (fn, reverse) { + var entries = this.entries; + for (var ii = 0, maxIndex = entries.length - 1; ii <= maxIndex; ii++) { + if (fn(entries[reverse ? maxIndex - ii : ii]) === false) { + return false; + } + } + } + + BitmapIndexedNode.prototype.iterate = + HashArrayMapNode.prototype.iterate = function (fn, reverse) { + var nodes = this.nodes; + for (var ii = 0, maxIndex = nodes.length - 1; ii <= maxIndex; ii++) { + var node = nodes[reverse ? maxIndex - ii : ii]; + if (node && node.iterate(fn, reverse) === false) { + return false; + } + } + } + + ValueNode.prototype.iterate = function (fn, reverse) { + return fn(this.entry); + } + + createClass(MapIterator, Iterator); + + function MapIterator(map, type, reverse) { + this._type = type; + this._reverse = reverse; + this._stack = map._root && mapIteratorFrame(map._root); + } + + MapIterator.prototype.next = function() { + var type = this._type; + var stack = this._stack; + while (stack) { + var node = stack.node; + var index = stack.index++; + var maxIndex; + if (node.entry) { + if (index === 0) { + return mapIteratorValue(type, node.entry); + } + } else if (node.entries) { + maxIndex = node.entries.length - 1; + if (index <= maxIndex) { + return mapIteratorValue(type, node.entries[this._reverse ? maxIndex - index : index]); + } + } else { + maxIndex = node.nodes.length - 1; + if (index <= maxIndex) { + var subNode = node.nodes[this._reverse ? maxIndex - index : index]; + if (subNode) { + if (subNode.entry) { + return mapIteratorValue(type, subNode.entry); + } + stack = this._stack = mapIteratorFrame(subNode, stack); + } + continue; + } + } + stack = this._stack = this._stack.__prev; + } + return iteratorDone(); + }; + + + function mapIteratorValue(type, entry) { + return iteratorValue(type, entry[0], entry[1]); + } + + function mapIteratorFrame(node, prev) { + return { + node: node, + index: 0, + __prev: prev + }; + } + + function makeMap(size, root, ownerID, hash) { + var map = Object.create(MapPrototype); + map.size = size; + map._root = root; + map.__ownerID = ownerID; + map.__hash = hash; + map.__altered = false; + return map; + } + + var EMPTY_MAP; + function emptyMap() { + return EMPTY_MAP || (EMPTY_MAP = makeMap(0)); + } + + function updateMap(map, k, v) { + var newRoot; + var newSize; + if (!map._root) { + if (v === NOT_SET) { + return map; + } + newSize = 1; + newRoot = new ArrayMapNode(map.__ownerID, [[k, v]]); + } else { + var didChangeSize = MakeRef(CHANGE_LENGTH); + var didAlter = MakeRef(DID_ALTER); + newRoot = updateNode(map._root, map.__ownerID, 0, undefined, k, v, didChangeSize, didAlter); + if (!didAlter.value) { + return map; + } + newSize = map.size + (didChangeSize.value ? v === NOT_SET ? -1 : 1 : 0); + } + if (map.__ownerID) { + map.size = newSize; + map._root = newRoot; + map.__hash = undefined; + map.__altered = true; + return map; + } + return newRoot ? makeMap(newSize, newRoot) : emptyMap(); + } + + function updateNode(node, ownerID, shift, keyHash, key, value, didChangeSize, didAlter) { + if (!node) { + if (value === NOT_SET) { + return node; + } + SetRef(didAlter); + SetRef(didChangeSize); + return new ValueNode(ownerID, keyHash, [key, value]); + } + return node.update(ownerID, shift, keyHash, key, value, didChangeSize, didAlter); + } + + function isLeafNode(node) { + return node.constructor === ValueNode || node.constructor === HashCollisionNode; + } + + function mergeIntoNode(node, ownerID, shift, keyHash, entry) { + if (node.keyHash === keyHash) { + return new HashCollisionNode(ownerID, keyHash, [node.entry, entry]); + } + + var idx1 = (shift === 0 ? node.keyHash : node.keyHash >>> shift) & MASK; + var idx2 = (shift === 0 ? keyHash : keyHash >>> shift) & MASK; + + var newNode; + var nodes = idx1 === idx2 ? + [mergeIntoNode(node, ownerID, shift + SHIFT, keyHash, entry)] : + ((newNode = new ValueNode(ownerID, keyHash, entry)), idx1 < idx2 ? [node, newNode] : [newNode, node]); + + return new BitmapIndexedNode(ownerID, (1 << idx1) | (1 << idx2), nodes); + } + + function createNodes(ownerID, entries, key, value) { + if (!ownerID) { + ownerID = new OwnerID(); + } + var node = new ValueNode(ownerID, hash(key), [key, value]); + for (var ii = 0; ii < entries.length; ii++) { + var entry = entries[ii]; + node = node.update(ownerID, 0, undefined, entry[0], entry[1]); + } + return node; + } + + function packNodes(ownerID, nodes, count, excluding) { + var bitmap = 0; + var packedII = 0; + var packedNodes = new Array(count); + for (var ii = 0, bit = 1, len = nodes.length; ii < len; ii++, bit <<= 1) { + var node = nodes[ii]; + if (node !== undefined && ii !== excluding) { + bitmap |= bit; + packedNodes[packedII++] = node; + } + } + return new BitmapIndexedNode(ownerID, bitmap, packedNodes); + } + + function expandNodes(ownerID, nodes, bitmap, including, node) { + var count = 0; + var expandedNodes = new Array(SIZE); + for (var ii = 0; bitmap !== 0; ii++, bitmap >>>= 1) { + expandedNodes[ii] = bitmap & 1 ? nodes[count++] : undefined; + } + expandedNodes[including] = node; + return new HashArrayMapNode(ownerID, count + 1, expandedNodes); + } + + function mergeIntoMapWith(map, merger, iterables) { + var iters = []; + for (var ii = 0; ii < iterables.length; ii++) { + var value = iterables[ii]; + var iter = KeyedIterable(value); + if (!isIterable(value)) { + iter = iter.map(function(v ) {return fromJS(v)}); + } + iters.push(iter); + } + return mergeIntoCollectionWith(map, merger, iters); + } + + function deepMerger(existing, value, key) { + return existing && existing.mergeDeep && isIterable(value) ? + existing.mergeDeep(value) : + is(existing, value) ? existing : value; + } + + function deepMergerWith(merger) { + return function(existing, value, key) { + if (existing && existing.mergeDeepWith && isIterable(value)) { + return existing.mergeDeepWith(merger, value); + } + var nextValue = merger(existing, value, key); + return is(existing, nextValue) ? existing : nextValue; + }; + } + + function mergeIntoCollectionWith(collection, merger, iters) { + iters = iters.filter(function(x ) {return x.size !== 0}); + if (iters.length === 0) { + return collection; + } + if (collection.size === 0 && !collection.__ownerID && iters.length === 1) { + return collection.constructor(iters[0]); + } + return collection.withMutations(function(collection ) { + var mergeIntoMap = merger ? + function(value, key) { + collection.update(key, NOT_SET, function(existing ) + {return existing === NOT_SET ? value : merger(existing, value, key)} + ); + } : + function(value, key) { + collection.set(key, value); + } + for (var ii = 0; ii < iters.length; ii++) { + iters[ii].forEach(mergeIntoMap); + } + }); + } + + function updateInDeepMap(existing, keyPathIter, notSetValue, updater) { + var isNotSet = existing === NOT_SET; + var step = keyPathIter.next(); + if (step.done) { + var existingValue = isNotSet ? notSetValue : existing; + var newValue = updater(existingValue); + return newValue === existingValue ? existing : newValue; + } + invariant( + isNotSet || (existing && existing.set), + 'invalid keyPath' + ); + var key = step.value; + var nextExisting = isNotSet ? NOT_SET : existing.get(key, NOT_SET); + var nextUpdated = updateInDeepMap( + nextExisting, + keyPathIter, + notSetValue, + updater + ); + return nextUpdated === nextExisting ? existing : + nextUpdated === NOT_SET ? existing.remove(key) : + (isNotSet ? emptyMap() : existing).set(key, nextUpdated); + } + + function popCount(x) { + x = x - ((x >> 1) & 0x55555555); + x = (x & 0x33333333) + ((x >> 2) & 0x33333333); + x = (x + (x >> 4)) & 0x0f0f0f0f; + x = x + (x >> 8); + x = x + (x >> 16); + return x & 0x7f; + } + + function setIn(array, idx, val, canEdit) { + var newArray = canEdit ? array : arrCopy(array); + newArray[idx] = val; + return newArray; + } + + function spliceIn(array, idx, val, canEdit) { + var newLen = array.length + 1; + if (canEdit && idx + 1 === newLen) { + array[idx] = val; + return array; + } + var newArray = new Array(newLen); + var after = 0; + for (var ii = 0; ii < newLen; ii++) { + if (ii === idx) { + newArray[ii] = val; + after = -1; + } else { + newArray[ii] = array[ii + after]; + } + } + return newArray; + } + + function spliceOut(array, idx, canEdit) { + var newLen = array.length - 1; + if (canEdit && idx === newLen) { + array.pop(); + return array; + } + var newArray = new Array(newLen); + var after = 0; + for (var ii = 0; ii < newLen; ii++) { + if (ii === idx) { + after = 1; + } + newArray[ii] = array[ii + after]; + } + return newArray; + } + + var MAX_ARRAY_MAP_SIZE = SIZE / 4; + var MAX_BITMAP_INDEXED_SIZE = SIZE / 2; + var MIN_HASH_ARRAY_MAP_SIZE = SIZE / 4; + + createClass(List, IndexedCollection); + + // @pragma Construction + + function List(value) { + var empty = emptyList(); + if (value === null || value === undefined) { + return empty; + } + if (isList(value)) { + return value; + } + var iter = IndexedIterable(value); + var size = iter.size; + if (size === 0) { + return empty; + } + assertNotInfinite(size); + if (size > 0 && size < SIZE) { + return makeList(0, size, SHIFT, null, new VNode(iter.toArray())); + } + return empty.withMutations(function(list ) { + list.setSize(size); + iter.forEach(function(v, i) {return list.set(i, v)}); + }); + } + + List.of = function(/*...values*/) { + return this(arguments); + }; + + List.prototype.toString = function() { + return this.__toString('List [', ']'); + }; + + // @pragma Access + + List.prototype.get = function(index, notSetValue) { + index = wrapIndex(this, index); + if (index >= 0 && index < this.size) { + index += this._origin; + var node = listNodeFor(this, index); + return node && node.array[index & MASK]; + } + return notSetValue; + }; + + // @pragma Modification + + List.prototype.set = function(index, value) { + return updateList(this, index, value); + }; + + List.prototype.remove = function(index) { + return !this.has(index) ? this : + index === 0 ? this.shift() : + index === this.size - 1 ? this.pop() : + this.splice(index, 1); + }; + + List.prototype.insert = function(index, value) { + return this.splice(index, 0, value); + }; + + List.prototype.clear = function() { + if (this.size === 0) { + return this; + } + if (this.__ownerID) { + this.size = this._origin = this._capacity = 0; + this._level = SHIFT; + this._root = this._tail = null; + this.__hash = undefined; + this.__altered = true; + return this; + } + return emptyList(); + }; + + List.prototype.push = function(/*...values*/) { + var values = arguments; + var oldSize = this.size; + return this.withMutations(function(list ) { + setListBounds(list, 0, oldSize + values.length); + for (var ii = 0; ii < values.length; ii++) { + list.set(oldSize + ii, values[ii]); + } + }); + }; + + List.prototype.pop = function() { + return setListBounds(this, 0, -1); + }; + + List.prototype.unshift = function(/*...values*/) { + var values = arguments; + return this.withMutations(function(list ) { + setListBounds(list, -values.length); + for (var ii = 0; ii < values.length; ii++) { + list.set(ii, values[ii]); + } + }); + }; + + List.prototype.shift = function() { + return setListBounds(this, 1); + }; + + // @pragma Composition + + List.prototype.merge = function(/*...iters*/) { + return mergeIntoListWith(this, undefined, arguments); + }; + + List.prototype.mergeWith = function(merger) {var iters = SLICE$0.call(arguments, 1); + return mergeIntoListWith(this, merger, iters); + }; + + List.prototype.mergeDeep = function(/*...iters*/) { + return mergeIntoListWith(this, deepMerger, arguments); + }; + + List.prototype.mergeDeepWith = function(merger) {var iters = SLICE$0.call(arguments, 1); + return mergeIntoListWith(this, deepMergerWith(merger), iters); + }; + + List.prototype.setSize = function(size) { + return setListBounds(this, 0, size); + }; + + // @pragma Iteration + + List.prototype.slice = function(begin, end) { + var size = this.size; + if (wholeSlice(begin, end, size)) { + return this; + } + return setListBounds( + this, + resolveBegin(begin, size), + resolveEnd(end, size) + ); + }; + + List.prototype.__iterator = function(type, reverse) { + var index = 0; + var values = iterateList(this, reverse); + return new Iterator(function() { + var value = values(); + return value === DONE ? + iteratorDone() : + iteratorValue(type, index++, value); + }); + }; + + List.prototype.__iterate = function(fn, reverse) { + var index = 0; + var values = iterateList(this, reverse); + var value; + while ((value = values()) !== DONE) { + if (fn(value, index++, this) === false) { + break; + } + } + return index; + }; + + List.prototype.__ensureOwner = function(ownerID) { + if (ownerID === this.__ownerID) { + return this; + } + if (!ownerID) { + this.__ownerID = ownerID; + return this; + } + return makeList(this._origin, this._capacity, this._level, this._root, this._tail, ownerID, this.__hash); + }; + + + function isList(maybeList) { + return !!(maybeList && maybeList[IS_LIST_SENTINEL]); + } + + List.isList = isList; + + var IS_LIST_SENTINEL = '@@__IMMUTABLE_LIST__@@'; + + var ListPrototype = List.prototype; + ListPrototype[IS_LIST_SENTINEL] = true; + ListPrototype[DELETE] = ListPrototype.remove; + ListPrototype.setIn = MapPrototype.setIn; + ListPrototype.deleteIn = + ListPrototype.removeIn = MapPrototype.removeIn; + ListPrototype.update = MapPrototype.update; + ListPrototype.updateIn = MapPrototype.updateIn; + ListPrototype.mergeIn = MapPrototype.mergeIn; + ListPrototype.mergeDeepIn = MapPrototype.mergeDeepIn; + ListPrototype.withMutations = MapPrototype.withMutations; + ListPrototype.asMutable = MapPrototype.asMutable; + ListPrototype.asImmutable = MapPrototype.asImmutable; + ListPrototype.wasAltered = MapPrototype.wasAltered; + + + + function VNode(array, ownerID) { + this.array = array; + this.ownerID = ownerID; + } + + // TODO: seems like these methods are very similar + + VNode.prototype.removeBefore = function(ownerID, level, index) { + if (index === level ? 1 << level : 0 || this.array.length === 0) { + return this; + } + var originIndex = (index >>> level) & MASK; + if (originIndex >= this.array.length) { + return new VNode([], ownerID); + } + var removingFirst = originIndex === 0; + var newChild; + if (level > 0) { + var oldChild = this.array[originIndex]; + newChild = oldChild && oldChild.removeBefore(ownerID, level - SHIFT, index); + if (newChild === oldChild && removingFirst) { + return this; + } + } + if (removingFirst && !newChild) { + return this; + } + var editable = editableVNode(this, ownerID); + if (!removingFirst) { + for (var ii = 0; ii < originIndex; ii++) { + editable.array[ii] = undefined; + } + } + if (newChild) { + editable.array[originIndex] = newChild; + } + return editable; + }; + + VNode.prototype.removeAfter = function(ownerID, level, index) { + if (index === (level ? 1 << level : 0) || this.array.length === 0) { + return this; + } + var sizeIndex = ((index - 1) >>> level) & MASK; + if (sizeIndex >= this.array.length) { + return this; + } + + var newChild; + if (level > 0) { + var oldChild = this.array[sizeIndex]; + newChild = oldChild && oldChild.removeAfter(ownerID, level - SHIFT, index); + if (newChild === oldChild && sizeIndex === this.array.length - 1) { + return this; + } + } + + var editable = editableVNode(this, ownerID); + editable.array.splice(sizeIndex + 1); + if (newChild) { + editable.array[sizeIndex] = newChild; + } + return editable; + }; + + + + var DONE = {}; + + function iterateList(list, reverse) { + var left = list._origin; + var right = list._capacity; + var tailPos = getTailOffset(right); + var tail = list._tail; + + return iterateNodeOrLeaf(list._root, list._level, 0); + + function iterateNodeOrLeaf(node, level, offset) { + return level === 0 ? + iterateLeaf(node, offset) : + iterateNode(node, level, offset); + } + + function iterateLeaf(node, offset) { + var array = offset === tailPos ? tail && tail.array : node && node.array; + var from = offset > left ? 0 : left - offset; + var to = right - offset; + if (to > SIZE) { + to = SIZE; + } + return function() { + if (from === to) { + return DONE; + } + var idx = reverse ? --to : from++; + return array && array[idx]; + }; + } + + function iterateNode(node, level, offset) { + var values; + var array = node && node.array; + var from = offset > left ? 0 : (left - offset) >> level; + var to = ((right - offset) >> level) + 1; + if (to > SIZE) { + to = SIZE; + } + return function() { + do { + if (values) { + var value = values(); + if (value !== DONE) { + return value; + } + values = null; + } + if (from === to) { + return DONE; + } + var idx = reverse ? --to : from++; + values = iterateNodeOrLeaf( + array && array[idx], level - SHIFT, offset + (idx << level) + ); + } while (true); + }; + } + } + + function makeList(origin, capacity, level, root, tail, ownerID, hash) { + var list = Object.create(ListPrototype); + list.size = capacity - origin; + list._origin = origin; + list._capacity = capacity; + list._level = level; + list._root = root; + list._tail = tail; + list.__ownerID = ownerID; + list.__hash = hash; + list.__altered = false; + return list; + } + + var EMPTY_LIST; + function emptyList() { + return EMPTY_LIST || (EMPTY_LIST = makeList(0, 0, SHIFT)); + } + + function updateList(list, index, value) { + index = wrapIndex(list, index); + + if (index !== index) { + return list; + } + + if (index >= list.size || index < 0) { + return list.withMutations(function(list ) { + index < 0 ? + setListBounds(list, index).set(0, value) : + setListBounds(list, 0, index + 1).set(index, value) + }); + } + + index += list._origin; + + var newTail = list._tail; + var newRoot = list._root; + var didAlter = MakeRef(DID_ALTER); + if (index >= getTailOffset(list._capacity)) { + newTail = updateVNode(newTail, list.__ownerID, 0, index, value, didAlter); + } else { + newRoot = updateVNode(newRoot, list.__ownerID, list._level, index, value, didAlter); + } + + if (!didAlter.value) { + return list; + } + + if (list.__ownerID) { + list._root = newRoot; + list._tail = newTail; + list.__hash = undefined; + list.__altered = true; + return list; + } + return makeList(list._origin, list._capacity, list._level, newRoot, newTail); + } + + function updateVNode(node, ownerID, level, index, value, didAlter) { + var idx = (index >>> level) & MASK; + var nodeHas = node && idx < node.array.length; + if (!nodeHas && value === undefined) { + return node; + } + + var newNode; + + if (level > 0) { + var lowerNode = node && node.array[idx]; + var newLowerNode = updateVNode(lowerNode, ownerID, level - SHIFT, index, value, didAlter); + if (newLowerNode === lowerNode) { + return node; + } + newNode = editableVNode(node, ownerID); + newNode.array[idx] = newLowerNode; + return newNode; + } + + if (nodeHas && node.array[idx] === value) { + return node; + } + + SetRef(didAlter); + + newNode = editableVNode(node, ownerID); + if (value === undefined && idx === newNode.array.length - 1) { + newNode.array.pop(); + } else { + newNode.array[idx] = value; + } + return newNode; + } + + function editableVNode(node, ownerID) { + if (ownerID && node && ownerID === node.ownerID) { + return node; + } + return new VNode(node ? node.array.slice() : [], ownerID); + } + + function listNodeFor(list, rawIndex) { + if (rawIndex >= getTailOffset(list._capacity)) { + return list._tail; + } + if (rawIndex < 1 << (list._level + SHIFT)) { + var node = list._root; + var level = list._level; + while (node && level > 0) { + node = node.array[(rawIndex >>> level) & MASK]; + level -= SHIFT; + } + return node; + } + } + + function setListBounds(list, begin, end) { + // Sanitize begin & end using this shorthand for ToInt32(argument) + // http://www.ecma-international.org/ecma-262/6.0/#sec-toint32 + if (begin !== undefined) { + begin = begin | 0; + } + if (end !== undefined) { + end = end | 0; + } + var owner = list.__ownerID || new OwnerID(); + var oldOrigin = list._origin; + var oldCapacity = list._capacity; + var newOrigin = oldOrigin + begin; + var newCapacity = end === undefined ? oldCapacity : end < 0 ? oldCapacity + end : oldOrigin + end; + if (newOrigin === oldOrigin && newCapacity === oldCapacity) { + return list; + } + + // If it's going to end after it starts, it's empty. + if (newOrigin >= newCapacity) { + return list.clear(); + } + + var newLevel = list._level; + var newRoot = list._root; + + // New origin might need creating a higher root. + var offsetShift = 0; + while (newOrigin + offsetShift < 0) { + newRoot = new VNode(newRoot && newRoot.array.length ? [undefined, newRoot] : [], owner); + newLevel += SHIFT; + offsetShift += 1 << newLevel; + } + if (offsetShift) { + newOrigin += offsetShift; + oldOrigin += offsetShift; + newCapacity += offsetShift; + oldCapacity += offsetShift; + } + + var oldTailOffset = getTailOffset(oldCapacity); + var newTailOffset = getTailOffset(newCapacity); + + // New size might need creating a higher root. + while (newTailOffset >= 1 << (newLevel + SHIFT)) { + newRoot = new VNode(newRoot && newRoot.array.length ? [newRoot] : [], owner); + newLevel += SHIFT; + } + + // Locate or create the new tail. + var oldTail = list._tail; + var newTail = newTailOffset < oldTailOffset ? + listNodeFor(list, newCapacity - 1) : + newTailOffset > oldTailOffset ? new VNode([], owner) : oldTail; + + // Merge Tail into tree. + if (oldTail && newTailOffset > oldTailOffset && newOrigin < oldCapacity && oldTail.array.length) { + newRoot = editableVNode(newRoot, owner); + var node = newRoot; + for (var level = newLevel; level > SHIFT; level -= SHIFT) { + var idx = (oldTailOffset >>> level) & MASK; + node = node.array[idx] = editableVNode(node.array[idx], owner); + } + node.array[(oldTailOffset >>> SHIFT) & MASK] = oldTail; + } + + // If the size has been reduced, there's a chance the tail needs to be trimmed. + if (newCapacity < oldCapacity) { + newTail = newTail && newTail.removeAfter(owner, 0, newCapacity); + } + + // If the new origin is within the tail, then we do not need a root. + if (newOrigin >= newTailOffset) { + newOrigin -= newTailOffset; + newCapacity -= newTailOffset; + newLevel = SHIFT; + newRoot = null; + newTail = newTail && newTail.removeBefore(owner, 0, newOrigin); + + // Otherwise, if the root has been trimmed, garbage collect. + } else if (newOrigin > oldOrigin || newTailOffset < oldTailOffset) { + offsetShift = 0; + + // Identify the new top root node of the subtree of the old root. + while (newRoot) { + var beginIndex = (newOrigin >>> newLevel) & MASK; + if (beginIndex !== (newTailOffset >>> newLevel) & MASK) { + break; + } + if (beginIndex) { + offsetShift += (1 << newLevel) * beginIndex; + } + newLevel -= SHIFT; + newRoot = newRoot.array[beginIndex]; + } + + // Trim the new sides of the new root. + if (newRoot && newOrigin > oldOrigin) { + newRoot = newRoot.removeBefore(owner, newLevel, newOrigin - offsetShift); + } + if (newRoot && newTailOffset < oldTailOffset) { + newRoot = newRoot.removeAfter(owner, newLevel, newTailOffset - offsetShift); + } + if (offsetShift) { + newOrigin -= offsetShift; + newCapacity -= offsetShift; + } + } + + if (list.__ownerID) { + list.size = newCapacity - newOrigin; + list._origin = newOrigin; + list._capacity = newCapacity; + list._level = newLevel; + list._root = newRoot; + list._tail = newTail; + list.__hash = undefined; + list.__altered = true; + return list; + } + return makeList(newOrigin, newCapacity, newLevel, newRoot, newTail); + } + + function mergeIntoListWith(list, merger, iterables) { + var iters = []; + var maxSize = 0; + for (var ii = 0; ii < iterables.length; ii++) { + var value = iterables[ii]; + var iter = IndexedIterable(value); + if (iter.size > maxSize) { + maxSize = iter.size; + } + if (!isIterable(value)) { + iter = iter.map(function(v ) {return fromJS(v)}); + } + iters.push(iter); + } + if (maxSize > list.size) { + list = list.setSize(maxSize); + } + return mergeIntoCollectionWith(list, merger, iters); + } + + function getTailOffset(size) { + return size < SIZE ? 0 : (((size - 1) >>> SHIFT) << SHIFT); + } + + createClass(OrderedMap, Map); + + // @pragma Construction + + function OrderedMap(value) { + return value === null || value === undefined ? emptyOrderedMap() : + isOrderedMap(value) ? value : + emptyOrderedMap().withMutations(function(map ) { + var iter = KeyedIterable(value); + assertNotInfinite(iter.size); + iter.forEach(function(v, k) {return map.set(k, v)}); + }); + } + + OrderedMap.of = function(/*...values*/) { + return this(arguments); + }; + + OrderedMap.prototype.toString = function() { + return this.__toString('OrderedMap {', '}'); + }; + + // @pragma Access + + OrderedMap.prototype.get = function(k, notSetValue) { + var index = this._map.get(k); + return index !== undefined ? this._list.get(index)[1] : notSetValue; + }; + + // @pragma Modification + + OrderedMap.prototype.clear = function() { + if (this.size === 0) { + return this; + } + if (this.__ownerID) { + this.size = 0; + this._map.clear(); + this._list.clear(); + return this; + } + return emptyOrderedMap(); + }; + + OrderedMap.prototype.set = function(k, v) { + return updateOrderedMap(this, k, v); + }; + + OrderedMap.prototype.remove = function(k) { + return updateOrderedMap(this, k, NOT_SET); + }; + + OrderedMap.prototype.wasAltered = function() { + return this._map.wasAltered() || this._list.wasAltered(); + }; + + OrderedMap.prototype.__iterate = function(fn, reverse) {var this$0 = this; + return this._list.__iterate( + function(entry ) {return entry && fn(entry[1], entry[0], this$0)}, + reverse + ); + }; + + OrderedMap.prototype.__iterator = function(type, reverse) { + return this._list.fromEntrySeq().__iterator(type, reverse); + }; + + OrderedMap.prototype.__ensureOwner = function(ownerID) { + if (ownerID === this.__ownerID) { + return this; + } + var newMap = this._map.__ensureOwner(ownerID); + var newList = this._list.__ensureOwner(ownerID); + if (!ownerID) { + this.__ownerID = ownerID; + this._map = newMap; + this._list = newList; + return this; + } + return makeOrderedMap(newMap, newList, ownerID, this.__hash); + }; + + + function isOrderedMap(maybeOrderedMap) { + return isMap(maybeOrderedMap) && isOrdered(maybeOrderedMap); + } + + OrderedMap.isOrderedMap = isOrderedMap; + + OrderedMap.prototype[IS_ORDERED_SENTINEL] = true; + OrderedMap.prototype[DELETE] = OrderedMap.prototype.remove; + + + + function makeOrderedMap(map, list, ownerID, hash) { + var omap = Object.create(OrderedMap.prototype); + omap.size = map ? map.size : 0; + omap._map = map; + omap._list = list; + omap.__ownerID = ownerID; + omap.__hash = hash; + return omap; + } + + var EMPTY_ORDERED_MAP; + function emptyOrderedMap() { + return EMPTY_ORDERED_MAP || (EMPTY_ORDERED_MAP = makeOrderedMap(emptyMap(), emptyList())); + } + + function updateOrderedMap(omap, k, v) { + var map = omap._map; + var list = omap._list; + var i = map.get(k); + var has = i !== undefined; + var newMap; + var newList; + if (v === NOT_SET) { // removed + if (!has) { + return omap; + } + if (list.size >= SIZE && list.size >= map.size * 2) { + newList = list.filter(function(entry, idx) {return entry !== undefined && i !== idx}); + newMap = newList.toKeyedSeq().map(function(entry ) {return entry[0]}).flip().toMap(); + if (omap.__ownerID) { + newMap.__ownerID = newList.__ownerID = omap.__ownerID; + } + } else { + newMap = map.remove(k); + newList = i === list.size - 1 ? list.pop() : list.set(i, undefined); + } + } else { + if (has) { + if (v === list.get(i)[1]) { + return omap; + } + newMap = map; + newList = list.set(i, [k, v]); + } else { + newMap = map.set(k, list.size); + newList = list.set(list.size, [k, v]); + } + } + if (omap.__ownerID) { + omap.size = newMap.size; + omap._map = newMap; + omap._list = newList; + omap.__hash = undefined; + return omap; + } + return makeOrderedMap(newMap, newList); + } + + createClass(ToKeyedSequence, KeyedSeq); + function ToKeyedSequence(indexed, useKeys) { + this._iter = indexed; + this._useKeys = useKeys; + this.size = indexed.size; + } + + ToKeyedSequence.prototype.get = function(key, notSetValue) { + return this._iter.get(key, notSetValue); + }; + + ToKeyedSequence.prototype.has = function(key) { + return this._iter.has(key); + }; + + ToKeyedSequence.prototype.valueSeq = function() { + return this._iter.valueSeq(); + }; + + ToKeyedSequence.prototype.reverse = function() {var this$0 = this; + var reversedSequence = reverseFactory(this, true); + if (!this._useKeys) { + reversedSequence.valueSeq = function() {return this$0._iter.toSeq().reverse()}; + } + return reversedSequence; + }; + + ToKeyedSequence.prototype.map = function(mapper, context) {var this$0 = this; + var mappedSequence = mapFactory(this, mapper, context); + if (!this._useKeys) { + mappedSequence.valueSeq = function() {return this$0._iter.toSeq().map(mapper, context)}; + } + return mappedSequence; + }; + + ToKeyedSequence.prototype.__iterate = function(fn, reverse) {var this$0 = this; + var ii; + return this._iter.__iterate( + this._useKeys ? + function(v, k) {return fn(v, k, this$0)} : + ((ii = reverse ? resolveSize(this) : 0), + function(v ) {return fn(v, reverse ? --ii : ii++, this$0)}), + reverse + ); + }; + + ToKeyedSequence.prototype.__iterator = function(type, reverse) { + if (this._useKeys) { + return this._iter.__iterator(type, reverse); + } + var iterator = this._iter.__iterator(ITERATE_VALUES, reverse); + var ii = reverse ? resolveSize(this) : 0; + return new Iterator(function() { + var step = iterator.next(); + return step.done ? step : + iteratorValue(type, reverse ? --ii : ii++, step.value, step); + }); + }; + + ToKeyedSequence.prototype[IS_ORDERED_SENTINEL] = true; + + + createClass(ToIndexedSequence, IndexedSeq); + function ToIndexedSequence(iter) { + this._iter = iter; + this.size = iter.size; + } + + ToIndexedSequence.prototype.includes = function(value) { + return this._iter.includes(value); + }; + + ToIndexedSequence.prototype.__iterate = function(fn, reverse) {var this$0 = this; + var iterations = 0; + return this._iter.__iterate(function(v ) {return fn(v, iterations++, this$0)}, reverse); + }; + + ToIndexedSequence.prototype.__iterator = function(type, reverse) { + var iterator = this._iter.__iterator(ITERATE_VALUES, reverse); + var iterations = 0; + return new Iterator(function() { + var step = iterator.next(); + return step.done ? step : + iteratorValue(type, iterations++, step.value, step) + }); + }; + + + + createClass(ToSetSequence, SetSeq); + function ToSetSequence(iter) { + this._iter = iter; + this.size = iter.size; + } + + ToSetSequence.prototype.has = function(key) { + return this._iter.includes(key); + }; + + ToSetSequence.prototype.__iterate = function(fn, reverse) {var this$0 = this; + return this._iter.__iterate(function(v ) {return fn(v, v, this$0)}, reverse); + }; + + ToSetSequence.prototype.__iterator = function(type, reverse) { + var iterator = this._iter.__iterator(ITERATE_VALUES, reverse); + return new Iterator(function() { + var step = iterator.next(); + return step.done ? step : + iteratorValue(type, step.value, step.value, step); + }); + }; + + + + createClass(FromEntriesSequence, KeyedSeq); + function FromEntriesSequence(entries) { + this._iter = entries; + this.size = entries.size; + } + + FromEntriesSequence.prototype.entrySeq = function() { + return this._iter.toSeq(); + }; + + FromEntriesSequence.prototype.__iterate = function(fn, reverse) {var this$0 = this; + return this._iter.__iterate(function(entry ) { + // Check if entry exists first so array access doesn't throw for holes + // in the parent iteration. + if (entry) { + validateEntry(entry); + var indexedIterable = isIterable(entry); + return fn( + indexedIterable ? entry.get(1) : entry[1], + indexedIterable ? entry.get(0) : entry[0], + this$0 + ); + } + }, reverse); + }; + + FromEntriesSequence.prototype.__iterator = function(type, reverse) { + var iterator = this._iter.__iterator(ITERATE_VALUES, reverse); + return new Iterator(function() { + while (true) { + var step = iterator.next(); + if (step.done) { + return step; + } + var entry = step.value; + // Check if entry exists first so array access doesn't throw for holes + // in the parent iteration. + if (entry) { + validateEntry(entry); + var indexedIterable = isIterable(entry); + return iteratorValue( + type, + indexedIterable ? entry.get(0) : entry[0], + indexedIterable ? entry.get(1) : entry[1], + step + ); + } + } + }); + }; + + + ToIndexedSequence.prototype.cacheResult = + ToKeyedSequence.prototype.cacheResult = + ToSetSequence.prototype.cacheResult = + FromEntriesSequence.prototype.cacheResult = + cacheResultThrough; + + + function flipFactory(iterable) { + var flipSequence = makeSequence(iterable); + flipSequence._iter = iterable; + flipSequence.size = iterable.size; + flipSequence.flip = function() {return iterable}; + flipSequence.reverse = function () { + var reversedSequence = iterable.reverse.apply(this); // super.reverse() + reversedSequence.flip = function() {return iterable.reverse()}; + return reversedSequence; + }; + flipSequence.has = function(key ) {return iterable.includes(key)}; + flipSequence.includes = function(key ) {return iterable.has(key)}; + flipSequence.cacheResult = cacheResultThrough; + flipSequence.__iterateUncached = function (fn, reverse) {var this$0 = this; + return iterable.__iterate(function(v, k) {return fn(k, v, this$0) !== false}, reverse); + } + flipSequence.__iteratorUncached = function(type, reverse) { + if (type === ITERATE_ENTRIES) { + var iterator = iterable.__iterator(type, reverse); + return new Iterator(function() { + var step = iterator.next(); + if (!step.done) { + var k = step.value[0]; + step.value[0] = step.value[1]; + step.value[1] = k; + } + return step; + }); + } + return iterable.__iterator( + type === ITERATE_VALUES ? ITERATE_KEYS : ITERATE_VALUES, + reverse + ); + } + return flipSequence; + } + + + function mapFactory(iterable, mapper, context) { + var mappedSequence = makeSequence(iterable); + mappedSequence.size = iterable.size; + mappedSequence.has = function(key ) {return iterable.has(key)}; + mappedSequence.get = function(key, notSetValue) { + var v = iterable.get(key, NOT_SET); + return v === NOT_SET ? + notSetValue : + mapper.call(context, v, key, iterable); + }; + mappedSequence.__iterateUncached = function (fn, reverse) {var this$0 = this; + return iterable.__iterate( + function(v, k, c) {return fn(mapper.call(context, v, k, c), k, this$0) !== false}, + reverse + ); + } + mappedSequence.__iteratorUncached = function (type, reverse) { + var iterator = iterable.__iterator(ITERATE_ENTRIES, reverse); + return new Iterator(function() { + var step = iterator.next(); + if (step.done) { + return step; + } + var entry = step.value; + var key = entry[0]; + return iteratorValue( + type, + key, + mapper.call(context, entry[1], key, iterable), + step + ); + }); + } + return mappedSequence; + } + + + function reverseFactory(iterable, useKeys) { + var reversedSequence = makeSequence(iterable); + reversedSequence._iter = iterable; + reversedSequence.size = iterable.size; + reversedSequence.reverse = function() {return iterable}; + if (iterable.flip) { + reversedSequence.flip = function () { + var flipSequence = flipFactory(iterable); + flipSequence.reverse = function() {return iterable.flip()}; + return flipSequence; + }; + } + reversedSequence.get = function(key, notSetValue) + {return iterable.get(useKeys ? key : -1 - key, notSetValue)}; + reversedSequence.has = function(key ) + {return iterable.has(useKeys ? key : -1 - key)}; + reversedSequence.includes = function(value ) {return iterable.includes(value)}; + reversedSequence.cacheResult = cacheResultThrough; + reversedSequence.__iterate = function (fn, reverse) {var this$0 = this; + return iterable.__iterate(function(v, k) {return fn(v, k, this$0)}, !reverse); + }; + reversedSequence.__iterator = + function(type, reverse) {return iterable.__iterator(type, !reverse)}; + return reversedSequence; + } + + + function filterFactory(iterable, predicate, context, useKeys) { + var filterSequence = makeSequence(iterable); + if (useKeys) { + filterSequence.has = function(key ) { + var v = iterable.get(key, NOT_SET); + return v !== NOT_SET && !!predicate.call(context, v, key, iterable); + }; + filterSequence.get = function(key, notSetValue) { + var v = iterable.get(key, NOT_SET); + return v !== NOT_SET && predicate.call(context, v, key, iterable) ? + v : notSetValue; + }; + } + filterSequence.__iterateUncached = function (fn, reverse) {var this$0 = this; + var iterations = 0; + iterable.__iterate(function(v, k, c) { + if (predicate.call(context, v, k, c)) { + iterations++; + return fn(v, useKeys ? k : iterations - 1, this$0); + } + }, reverse); + return iterations; + }; + filterSequence.__iteratorUncached = function (type, reverse) { + var iterator = iterable.__iterator(ITERATE_ENTRIES, reverse); + var iterations = 0; + return new Iterator(function() { + while (true) { + var step = iterator.next(); + if (step.done) { + return step; + } + var entry = step.value; + var key = entry[0]; + var value = entry[1]; + if (predicate.call(context, value, key, iterable)) { + return iteratorValue(type, useKeys ? key : iterations++, value, step); + } + } + }); + } + return filterSequence; + } + + + function countByFactory(iterable, grouper, context) { + var groups = Map().asMutable(); + iterable.__iterate(function(v, k) { + groups.update( + grouper.call(context, v, k, iterable), + 0, + function(a ) {return a + 1} + ); + }); + return groups.asImmutable(); + } + + + function groupByFactory(iterable, grouper, context) { + var isKeyedIter = isKeyed(iterable); + var groups = (isOrdered(iterable) ? OrderedMap() : Map()).asMutable(); + iterable.__iterate(function(v, k) { + groups.update( + grouper.call(context, v, k, iterable), + function(a ) {return (a = a || [], a.push(isKeyedIter ? [k, v] : v), a)} + ); + }); + var coerce = iterableClass(iterable); + return groups.map(function(arr ) {return reify(iterable, coerce(arr))}); + } + + + function sliceFactory(iterable, begin, end, useKeys) { + var originalSize = iterable.size; + + // Sanitize begin & end using this shorthand for ToInt32(argument) + // http://www.ecma-international.org/ecma-262/6.0/#sec-toint32 + if (begin !== undefined) { + begin = begin | 0; + } + if (end !== undefined) { + end = end | 0; + } + + if (wholeSlice(begin, end, originalSize)) { + return iterable; + } + + var resolvedBegin = resolveBegin(begin, originalSize); + var resolvedEnd = resolveEnd(end, originalSize); + + // begin or end will be NaN if they were provided as negative numbers and + // this iterable's size is unknown. In that case, cache first so there is + // a known size and these do not resolve to NaN. + if (resolvedBegin !== resolvedBegin || resolvedEnd !== resolvedEnd) { + return sliceFactory(iterable.toSeq().cacheResult(), begin, end, useKeys); + } + + // Note: resolvedEnd is undefined when the original sequence's length is + // unknown and this slice did not supply an end and should contain all + // elements after resolvedBegin. + // In that case, resolvedSize will be NaN and sliceSize will remain undefined. + var resolvedSize = resolvedEnd - resolvedBegin; + var sliceSize; + if (resolvedSize === resolvedSize) { + sliceSize = resolvedSize < 0 ? 0 : resolvedSize; + } + + var sliceSeq = makeSequence(iterable); + + // If iterable.size is undefined, the size of the realized sliceSeq is + // unknown at this point unless the number of items to slice is 0 + sliceSeq.size = sliceSize === 0 ? sliceSize : iterable.size && sliceSize || undefined; + + if (!useKeys && isSeq(iterable) && sliceSize >= 0) { + sliceSeq.get = function (index, notSetValue) { + index = wrapIndex(this, index); + return index >= 0 && index < sliceSize ? + iterable.get(index + resolvedBegin, notSetValue) : + notSetValue; + } + } + + sliceSeq.__iterateUncached = function(fn, reverse) {var this$0 = this; + if (sliceSize === 0) { + return 0; + } + if (reverse) { + return this.cacheResult().__iterate(fn, reverse); + } + var skipped = 0; + var isSkipping = true; + var iterations = 0; + iterable.__iterate(function(v, k) { + if (!(isSkipping && (isSkipping = skipped++ < resolvedBegin))) { + iterations++; + return fn(v, useKeys ? k : iterations - 1, this$0) !== false && + iterations !== sliceSize; + } + }); + return iterations; + }; + + sliceSeq.__iteratorUncached = function(type, reverse) { + if (sliceSize !== 0 && reverse) { + return this.cacheResult().__iterator(type, reverse); + } + // Don't bother instantiating parent iterator if taking 0. + var iterator = sliceSize !== 0 && iterable.__iterator(type, reverse); + var skipped = 0; + var iterations = 0; + return new Iterator(function() { + while (skipped++ < resolvedBegin) { + iterator.next(); + } + if (++iterations > sliceSize) { + return iteratorDone(); + } + var step = iterator.next(); + if (useKeys || type === ITERATE_VALUES) { + return step; + } else if (type === ITERATE_KEYS) { + return iteratorValue(type, iterations - 1, undefined, step); + } else { + return iteratorValue(type, iterations - 1, step.value[1], step); + } + }); + } + + return sliceSeq; + } + + + function takeWhileFactory(iterable, predicate, context) { + var takeSequence = makeSequence(iterable); + takeSequence.__iterateUncached = function(fn, reverse) {var this$0 = this; + if (reverse) { + return this.cacheResult().__iterate(fn, reverse); + } + var iterations = 0; + iterable.__iterate(function(v, k, c) + {return predicate.call(context, v, k, c) && ++iterations && fn(v, k, this$0)} + ); + return iterations; + }; + takeSequence.__iteratorUncached = function(type, reverse) {var this$0 = this; + if (reverse) { + return this.cacheResult().__iterator(type, reverse); + } + var iterator = iterable.__iterator(ITERATE_ENTRIES, reverse); + var iterating = true; + return new Iterator(function() { + if (!iterating) { + return iteratorDone(); + } + var step = iterator.next(); + if (step.done) { + return step; + } + var entry = step.value; + var k = entry[0]; + var v = entry[1]; + if (!predicate.call(context, v, k, this$0)) { + iterating = false; + return iteratorDone(); + } + return type === ITERATE_ENTRIES ? step : + iteratorValue(type, k, v, step); + }); + }; + return takeSequence; + } + + + function skipWhileFactory(iterable, predicate, context, useKeys) { + var skipSequence = makeSequence(iterable); + skipSequence.__iterateUncached = function (fn, reverse) {var this$0 = this; + if (reverse) { + return this.cacheResult().__iterate(fn, reverse); + } + var isSkipping = true; + var iterations = 0; + iterable.__iterate(function(v, k, c) { + if (!(isSkipping && (isSkipping = predicate.call(context, v, k, c)))) { + iterations++; + return fn(v, useKeys ? k : iterations - 1, this$0); + } + }); + return iterations; + }; + skipSequence.__iteratorUncached = function(type, reverse) {var this$0 = this; + if (reverse) { + return this.cacheResult().__iterator(type, reverse); + } + var iterator = iterable.__iterator(ITERATE_ENTRIES, reverse); + var skipping = true; + var iterations = 0; + return new Iterator(function() { + var step, k, v; + do { + step = iterator.next(); + if (step.done) { + if (useKeys || type === ITERATE_VALUES) { + return step; + } else if (type === ITERATE_KEYS) { + return iteratorValue(type, iterations++, undefined, step); + } else { + return iteratorValue(type, iterations++, step.value[1], step); + } + } + var entry = step.value; + k = entry[0]; + v = entry[1]; + skipping && (skipping = predicate.call(context, v, k, this$0)); + } while (skipping); + return type === ITERATE_ENTRIES ? step : + iteratorValue(type, k, v, step); + }); + }; + return skipSequence; + } + + + function concatFactory(iterable, values) { + var isKeyedIterable = isKeyed(iterable); + var iters = [iterable].concat(values).map(function(v ) { + if (!isIterable(v)) { + v = isKeyedIterable ? + keyedSeqFromValue(v) : + indexedSeqFromValue(Array.isArray(v) ? v : [v]); + } else if (isKeyedIterable) { + v = KeyedIterable(v); + } + return v; + }).filter(function(v ) {return v.size !== 0}); + + if (iters.length === 0) { + return iterable; + } + + if (iters.length === 1) { + var singleton = iters[0]; + if (singleton === iterable || + isKeyedIterable && isKeyed(singleton) || + isIndexed(iterable) && isIndexed(singleton)) { + return singleton; + } + } + + var concatSeq = new ArraySeq(iters); + if (isKeyedIterable) { + concatSeq = concatSeq.toKeyedSeq(); + } else if (!isIndexed(iterable)) { + concatSeq = concatSeq.toSetSeq(); + } + concatSeq = concatSeq.flatten(true); + concatSeq.size = iters.reduce( + function(sum, seq) { + if (sum !== undefined) { + var size = seq.size; + if (size !== undefined) { + return sum + size; + } + } + }, + 0 + ); + return concatSeq; + } + + + function flattenFactory(iterable, depth, useKeys) { + var flatSequence = makeSequence(iterable); + flatSequence.__iterateUncached = function(fn, reverse) { + var iterations = 0; + var stopped = false; + function flatDeep(iter, currentDepth) {var this$0 = this; + iter.__iterate(function(v, k) { + if ((!depth || currentDepth < depth) && isIterable(v)) { + flatDeep(v, currentDepth + 1); + } else if (fn(v, useKeys ? k : iterations++, this$0) === false) { + stopped = true; + } + return !stopped; + }, reverse); + } + flatDeep(iterable, 0); + return iterations; + } + flatSequence.__iteratorUncached = function(type, reverse) { + var iterator = iterable.__iterator(type, reverse); + var stack = []; + var iterations = 0; + return new Iterator(function() { + while (iterator) { + var step = iterator.next(); + if (step.done !== false) { + iterator = stack.pop(); + continue; + } + var v = step.value; + if (type === ITERATE_ENTRIES) { + v = v[1]; + } + if ((!depth || stack.length < depth) && isIterable(v)) { + stack.push(iterator); + iterator = v.__iterator(type, reverse); + } else { + return useKeys ? step : iteratorValue(type, iterations++, v, step); + } + } + return iteratorDone(); + }); + } + return flatSequence; + } + + + function flatMapFactory(iterable, mapper, context) { + var coerce = iterableClass(iterable); + return iterable.toSeq().map( + function(v, k) {return coerce(mapper.call(context, v, k, iterable))} + ).flatten(true); + } + + + function interposeFactory(iterable, separator) { + var interposedSequence = makeSequence(iterable); + interposedSequence.size = iterable.size && iterable.size * 2 -1; + interposedSequence.__iterateUncached = function(fn, reverse) {var this$0 = this; + var iterations = 0; + iterable.__iterate(function(v, k) + {return (!iterations || fn(separator, iterations++, this$0) !== false) && + fn(v, iterations++, this$0) !== false}, + reverse + ); + return iterations; + }; + interposedSequence.__iteratorUncached = function(type, reverse) { + var iterator = iterable.__iterator(ITERATE_VALUES, reverse); + var iterations = 0; + var step; + return new Iterator(function() { + if (!step || iterations % 2) { + step = iterator.next(); + if (step.done) { + return step; + } + } + return iterations % 2 ? + iteratorValue(type, iterations++, separator) : + iteratorValue(type, iterations++, step.value, step); + }); + }; + return interposedSequence; + } + + + function sortFactory(iterable, comparator, mapper) { + if (!comparator) { + comparator = defaultComparator; + } + var isKeyedIterable = isKeyed(iterable); + var index = 0; + var entries = iterable.toSeq().map( + function(v, k) {return [k, v, index++, mapper ? mapper(v, k, iterable) : v]} + ).toArray(); + entries.sort(function(a, b) {return comparator(a[3], b[3]) || a[2] - b[2]}).forEach( + isKeyedIterable ? + function(v, i) { entries[i].length = 2; } : + function(v, i) { entries[i] = v[1]; } + ); + return isKeyedIterable ? KeyedSeq(entries) : + isIndexed(iterable) ? IndexedSeq(entries) : + SetSeq(entries); + } + + + function maxFactory(iterable, comparator, mapper) { + if (!comparator) { + comparator = defaultComparator; + } + if (mapper) { + var entry = iterable.toSeq() + .map(function(v, k) {return [v, mapper(v, k, iterable)]}) + .reduce(function(a, b) {return maxCompare(comparator, a[1], b[1]) ? b : a}); + return entry && entry[0]; + } else { + return iterable.reduce(function(a, b) {return maxCompare(comparator, a, b) ? b : a}); + } + } + + function maxCompare(comparator, a, b) { + var comp = comparator(b, a); + // b is considered the new max if the comparator declares them equal, but + // they are not equal and b is in fact a nullish value. + return (comp === 0 && b !== a && (b === undefined || b === null || b !== b)) || comp > 0; + } + + + function zipWithFactory(keyIter, zipper, iters) { + var zipSequence = makeSequence(keyIter); + zipSequence.size = new ArraySeq(iters).map(function(i ) {return i.size}).min(); + // Note: this a generic base implementation of __iterate in terms of + // __iterator which may be more generically useful in the future. + zipSequence.__iterate = function(fn, reverse) { + /* generic: + var iterator = this.__iterator(ITERATE_ENTRIES, reverse); + var step; + var iterations = 0; + while (!(step = iterator.next()).done) { + iterations++; + if (fn(step.value[1], step.value[0], this) === false) { + break; + } + } + return iterations; + */ + // indexed: + var iterator = this.__iterator(ITERATE_VALUES, reverse); + var step; + var iterations = 0; + while (!(step = iterator.next()).done) { + if (fn(step.value, iterations++, this) === false) { + break; + } + } + return iterations; + }; + zipSequence.__iteratorUncached = function(type, reverse) { + var iterators = iters.map(function(i ) + {return (i = Iterable(i), getIterator(reverse ? i.reverse() : i))} + ); + var iterations = 0; + var isDone = false; + return new Iterator(function() { + var steps; + if (!isDone) { + steps = iterators.map(function(i ) {return i.next()}); + isDone = steps.some(function(s ) {return s.done}); + } + if (isDone) { + return iteratorDone(); + } + return iteratorValue( + type, + iterations++, + zipper.apply(null, steps.map(function(s ) {return s.value})) + ); + }); + }; + return zipSequence + } + + + // #pragma Helper Functions + + function reify(iter, seq) { + return isSeq(iter) ? seq : iter.constructor(seq); + } + + function validateEntry(entry) { + if (entry !== Object(entry)) { + throw new TypeError('Expected [K, V] tuple: ' + entry); + } + } + + function resolveSize(iter) { + assertNotInfinite(iter.size); + return ensureSize(iter); + } + + function iterableClass(iterable) { + return isKeyed(iterable) ? KeyedIterable : + isIndexed(iterable) ? IndexedIterable : + SetIterable; + } + + function makeSequence(iterable) { + return Object.create( + ( + isKeyed(iterable) ? KeyedSeq : + isIndexed(iterable) ? IndexedSeq : + SetSeq + ).prototype + ); + } + + function cacheResultThrough() { + if (this._iter.cacheResult) { + this._iter.cacheResult(); + this.size = this._iter.size; + return this; + } else { + return Seq.prototype.cacheResult.call(this); + } + } + + function defaultComparator(a, b) { + return a > b ? 1 : a < b ? -1 : 0; + } + + function forceIterator(keyPath) { + var iter = getIterator(keyPath); + if (!iter) { + // Array might not be iterable in this environment, so we need a fallback + // to our wrapped type. + if (!isArrayLike(keyPath)) { + throw new TypeError('Expected iterable or array-like: ' + keyPath); + } + iter = getIterator(Iterable(keyPath)); + } + return iter; + } + + createClass(Record, KeyedCollection); + + function Record(defaultValues, name) { + var hasInitialized; + + var RecordType = function Record(values) { + if (values instanceof RecordType) { + return values; + } + if (!(this instanceof RecordType)) { + return new RecordType(values); + } + if (!hasInitialized) { + hasInitialized = true; + var keys = Object.keys(defaultValues); + setProps(RecordTypePrototype, keys); + RecordTypePrototype.size = keys.length; + RecordTypePrototype._name = name; + RecordTypePrototype._keys = keys; + RecordTypePrototype._defaultValues = defaultValues; + } + this._map = Map(values); + }; + + var RecordTypePrototype = RecordType.prototype = Object.create(RecordPrototype); + RecordTypePrototype.constructor = RecordType; + + return RecordType; + } + + Record.prototype.toString = function() { + return this.__toString(recordName(this) + ' {', '}'); + }; + + // @pragma Access + + Record.prototype.has = function(k) { + return this._defaultValues.hasOwnProperty(k); + }; + + Record.prototype.get = function(k, notSetValue) { + if (!this.has(k)) { + return notSetValue; + } + var defaultVal = this._defaultValues[k]; + return this._map ? this._map.get(k, defaultVal) : defaultVal; + }; + + // @pragma Modification + + Record.prototype.clear = function() { + if (this.__ownerID) { + this._map && this._map.clear(); + return this; + } + var RecordType = this.constructor; + return RecordType._empty || (RecordType._empty = makeRecord(this, emptyMap())); + }; + + Record.prototype.set = function(k, v) { + if (!this.has(k)) { + throw new Error('Cannot set unknown key "' + k + '" on ' + recordName(this)); + } + var newMap = this._map && this._map.set(k, v); + if (this.__ownerID || newMap === this._map) { + return this; + } + return makeRecord(this, newMap); + }; + + Record.prototype.remove = function(k) { + if (!this.has(k)) { + return this; + } + var newMap = this._map && this._map.remove(k); + if (this.__ownerID || newMap === this._map) { + return this; + } + return makeRecord(this, newMap); + }; + + Record.prototype.wasAltered = function() { + return this._map.wasAltered(); + }; + + Record.prototype.__iterator = function(type, reverse) {var this$0 = this; + return KeyedIterable(this._defaultValues).map(function(_, k) {return this$0.get(k)}).__iterator(type, reverse); + }; + + Record.prototype.__iterate = function(fn, reverse) {var this$0 = this; + return KeyedIterable(this._defaultValues).map(function(_, k) {return this$0.get(k)}).__iterate(fn, reverse); + }; + + Record.prototype.__ensureOwner = function(ownerID) { + if (ownerID === this.__ownerID) { + return this; + } + var newMap = this._map && this._map.__ensureOwner(ownerID); + if (!ownerID) { + this.__ownerID = ownerID; + this._map = newMap; + return this; + } + return makeRecord(this, newMap, ownerID); + }; + + + var RecordPrototype = Record.prototype; + RecordPrototype[DELETE] = RecordPrototype.remove; + RecordPrototype.deleteIn = + RecordPrototype.removeIn = MapPrototype.removeIn; + RecordPrototype.merge = MapPrototype.merge; + RecordPrototype.mergeWith = MapPrototype.mergeWith; + RecordPrototype.mergeIn = MapPrototype.mergeIn; + RecordPrototype.mergeDeep = MapPrototype.mergeDeep; + RecordPrototype.mergeDeepWith = MapPrototype.mergeDeepWith; + RecordPrototype.mergeDeepIn = MapPrototype.mergeDeepIn; + RecordPrototype.setIn = MapPrototype.setIn; + RecordPrototype.update = MapPrototype.update; + RecordPrototype.updateIn = MapPrototype.updateIn; + RecordPrototype.withMutations = MapPrototype.withMutations; + RecordPrototype.asMutable = MapPrototype.asMutable; + RecordPrototype.asImmutable = MapPrototype.asImmutable; + + + function makeRecord(likeRecord, map, ownerID) { + var record = Object.create(Object.getPrototypeOf(likeRecord)); + record._map = map; + record.__ownerID = ownerID; + return record; + } + + function recordName(record) { + return record._name || record.constructor.name || 'Record'; + } + + function setProps(prototype, names) { + try { + names.forEach(setProp.bind(undefined, prototype)); + } catch (error) { + // Object.defineProperty failed. Probably IE8. + } + } + + function setProp(prototype, name) { + Object.defineProperty(prototype, name, { + get: function() { + return this.get(name); + }, + set: function(value) { + invariant(this.__ownerID, 'Cannot set on an immutable record.'); + this.set(name, value); + } + }); + } + + createClass(Set, SetCollection); + + // @pragma Construction + + function Set(value) { + return value === null || value === undefined ? emptySet() : + isSet(value) && !isOrdered(value) ? value : + emptySet().withMutations(function(set ) { + var iter = SetIterable(value); + assertNotInfinite(iter.size); + iter.forEach(function(v ) {return set.add(v)}); + }); + } + + Set.of = function(/*...values*/) { + return this(arguments); + }; + + Set.fromKeys = function(value) { + return this(KeyedIterable(value).keySeq()); + }; + + Set.prototype.toString = function() { + return this.__toString('Set {', '}'); + }; + + // @pragma Access + + Set.prototype.has = function(value) { + return this._map.has(value); + }; + + // @pragma Modification + + Set.prototype.add = function(value) { + return updateSet(this, this._map.set(value, true)); + }; + + Set.prototype.remove = function(value) { + return updateSet(this, this._map.remove(value)); + }; + + Set.prototype.clear = function() { + return updateSet(this, this._map.clear()); + }; + + // @pragma Composition + + Set.prototype.union = function() {var iters = SLICE$0.call(arguments, 0); + iters = iters.filter(function(x ) {return x.size !== 0}); + if (iters.length === 0) { + return this; + } + if (this.size === 0 && !this.__ownerID && iters.length === 1) { + return this.constructor(iters[0]); + } + return this.withMutations(function(set ) { + for (var ii = 0; ii < iters.length; ii++) { + SetIterable(iters[ii]).forEach(function(value ) {return set.add(value)}); + } + }); + }; + + Set.prototype.intersect = function() {var iters = SLICE$0.call(arguments, 0); + if (iters.length === 0) { + return this; + } + iters = iters.map(function(iter ) {return SetIterable(iter)}); + var originalSet = this; + return this.withMutations(function(set ) { + originalSet.forEach(function(value ) { + if (!iters.every(function(iter ) {return iter.includes(value)})) { + set.remove(value); + } + }); + }); + }; + + Set.prototype.subtract = function() {var iters = SLICE$0.call(arguments, 0); + if (iters.length === 0) { + return this; + } + iters = iters.map(function(iter ) {return SetIterable(iter)}); + var originalSet = this; + return this.withMutations(function(set ) { + originalSet.forEach(function(value ) { + if (iters.some(function(iter ) {return iter.includes(value)})) { + set.remove(value); + } + }); + }); + }; + + Set.prototype.merge = function() { + return this.union.apply(this, arguments); + }; + + Set.prototype.mergeWith = function(merger) {var iters = SLICE$0.call(arguments, 1); + return this.union.apply(this, iters); + }; + + Set.prototype.sort = function(comparator) { + // Late binding + return OrderedSet(sortFactory(this, comparator)); + }; + + Set.prototype.sortBy = function(mapper, comparator) { + // Late binding + return OrderedSet(sortFactory(this, comparator, mapper)); + }; + + Set.prototype.wasAltered = function() { + return this._map.wasAltered(); + }; + + Set.prototype.__iterate = function(fn, reverse) {var this$0 = this; + return this._map.__iterate(function(_, k) {return fn(k, k, this$0)}, reverse); + }; + + Set.prototype.__iterator = function(type, reverse) { + return this._map.map(function(_, k) {return k}).__iterator(type, reverse); + }; + + Set.prototype.__ensureOwner = function(ownerID) { + if (ownerID === this.__ownerID) { + return this; + } + var newMap = this._map.__ensureOwner(ownerID); + if (!ownerID) { + this.__ownerID = ownerID; + this._map = newMap; + return this; + } + return this.__make(newMap, ownerID); + }; + + + function isSet(maybeSet) { + return !!(maybeSet && maybeSet[IS_SET_SENTINEL]); + } + + Set.isSet = isSet; + + var IS_SET_SENTINEL = '@@__IMMUTABLE_SET__@@'; + + var SetPrototype = Set.prototype; + SetPrototype[IS_SET_SENTINEL] = true; + SetPrototype[DELETE] = SetPrototype.remove; + SetPrototype.mergeDeep = SetPrototype.merge; + SetPrototype.mergeDeepWith = SetPrototype.mergeWith; + SetPrototype.withMutations = MapPrototype.withMutations; + SetPrototype.asMutable = MapPrototype.asMutable; + SetPrototype.asImmutable = MapPrototype.asImmutable; + + SetPrototype.__empty = emptySet; + SetPrototype.__make = makeSet; + + function updateSet(set, newMap) { + if (set.__ownerID) { + set.size = newMap.size; + set._map = newMap; + return set; + } + return newMap === set._map ? set : + newMap.size === 0 ? set.__empty() : + set.__make(newMap); + } + + function makeSet(map, ownerID) { + var set = Object.create(SetPrototype); + set.size = map ? map.size : 0; + set._map = map; + set.__ownerID = ownerID; + return set; + } + + var EMPTY_SET; + function emptySet() { + return EMPTY_SET || (EMPTY_SET = makeSet(emptyMap())); + } + + createClass(OrderedSet, Set); + + // @pragma Construction + + function OrderedSet(value) { + return value === null || value === undefined ? emptyOrderedSet() : + isOrderedSet(value) ? value : + emptyOrderedSet().withMutations(function(set ) { + var iter = SetIterable(value); + assertNotInfinite(iter.size); + iter.forEach(function(v ) {return set.add(v)}); + }); + } + + OrderedSet.of = function(/*...values*/) { + return this(arguments); + }; + + OrderedSet.fromKeys = function(value) { + return this(KeyedIterable(value).keySeq()); + }; + + OrderedSet.prototype.toString = function() { + return this.__toString('OrderedSet {', '}'); + }; + + + function isOrderedSet(maybeOrderedSet) { + return isSet(maybeOrderedSet) && isOrdered(maybeOrderedSet); + } + + OrderedSet.isOrderedSet = isOrderedSet; + + var OrderedSetPrototype = OrderedSet.prototype; + OrderedSetPrototype[IS_ORDERED_SENTINEL] = true; + + OrderedSetPrototype.__empty = emptyOrderedSet; + OrderedSetPrototype.__make = makeOrderedSet; + + function makeOrderedSet(map, ownerID) { + var set = Object.create(OrderedSetPrototype); + set.size = map ? map.size : 0; + set._map = map; + set.__ownerID = ownerID; + return set; + } + + var EMPTY_ORDERED_SET; + function emptyOrderedSet() { + return EMPTY_ORDERED_SET || (EMPTY_ORDERED_SET = makeOrderedSet(emptyOrderedMap())); + } + + createClass(Stack, IndexedCollection); + + // @pragma Construction + + function Stack(value) { + return value === null || value === undefined ? emptyStack() : + isStack(value) ? value : + emptyStack().unshiftAll(value); + } + + Stack.of = function(/*...values*/) { + return this(arguments); + }; + + Stack.prototype.toString = function() { + return this.__toString('Stack [', ']'); + }; + + // @pragma Access + + Stack.prototype.get = function(index, notSetValue) { + var head = this._head; + index = wrapIndex(this, index); + while (head && index--) { + head = head.next; + } + return head ? head.value : notSetValue; + }; + + Stack.prototype.peek = function() { + return this._head && this._head.value; + }; + + // @pragma Modification + + Stack.prototype.push = function(/*...values*/) { + if (arguments.length === 0) { + return this; + } + var newSize = this.size + arguments.length; + var head = this._head; + for (var ii = arguments.length - 1; ii >= 0; ii--) { + head = { + value: arguments[ii], + next: head + }; + } + if (this.__ownerID) { + this.size = newSize; + this._head = head; + this.__hash = undefined; + this.__altered = true; + return this; + } + return makeStack(newSize, head); + }; + + Stack.prototype.pushAll = function(iter) { + iter = IndexedIterable(iter); + if (iter.size === 0) { + return this; + } + assertNotInfinite(iter.size); + var newSize = this.size; + var head = this._head; + iter.reverse().forEach(function(value ) { + newSize++; + head = { + value: value, + next: head + }; + }); + if (this.__ownerID) { + this.size = newSize; + this._head = head; + this.__hash = undefined; + this.__altered = true; + return this; + } + return makeStack(newSize, head); + }; + + Stack.prototype.pop = function() { + return this.slice(1); + }; + + Stack.prototype.unshift = function(/*...values*/) { + return this.push.apply(this, arguments); + }; + + Stack.prototype.unshiftAll = function(iter) { + return this.pushAll(iter); + }; + + Stack.prototype.shift = function() { + return this.pop.apply(this, arguments); + }; + + Stack.prototype.clear = function() { + if (this.size === 0) { + return this; + } + if (this.__ownerID) { + this.size = 0; + this._head = undefined; + this.__hash = undefined; + this.__altered = true; + return this; + } + return emptyStack(); + }; + + Stack.prototype.slice = function(begin, end) { + if (wholeSlice(begin, end, this.size)) { + return this; + } + var resolvedBegin = resolveBegin(begin, this.size); + var resolvedEnd = resolveEnd(end, this.size); + if (resolvedEnd !== this.size) { + // super.slice(begin, end); + return IndexedCollection.prototype.slice.call(this, begin, end); + } + var newSize = this.size - resolvedBegin; + var head = this._head; + while (resolvedBegin--) { + head = head.next; + } + if (this.__ownerID) { + this.size = newSize; + this._head = head; + this.__hash = undefined; + this.__altered = true; + return this; + } + return makeStack(newSize, head); + }; + + // @pragma Mutability + + Stack.prototype.__ensureOwner = function(ownerID) { + if (ownerID === this.__ownerID) { + return this; + } + if (!ownerID) { + this.__ownerID = ownerID; + this.__altered = false; + return this; + } + return makeStack(this.size, this._head, ownerID, this.__hash); + }; + + // @pragma Iteration + + Stack.prototype.__iterate = function(fn, reverse) { + if (reverse) { + return this.reverse().__iterate(fn); + } + var iterations = 0; + var node = this._head; + while (node) { + if (fn(node.value, iterations++, this) === false) { + break; + } + node = node.next; + } + return iterations; + }; + + Stack.prototype.__iterator = function(type, reverse) { + if (reverse) { + return this.reverse().__iterator(type); + } + var iterations = 0; + var node = this._head; + return new Iterator(function() { + if (node) { + var value = node.value; + node = node.next; + return iteratorValue(type, iterations++, value); + } + return iteratorDone(); + }); + }; + + + function isStack(maybeStack) { + return !!(maybeStack && maybeStack[IS_STACK_SENTINEL]); + } + + Stack.isStack = isStack; + + var IS_STACK_SENTINEL = '@@__IMMUTABLE_STACK__@@'; + + var StackPrototype = Stack.prototype; + StackPrototype[IS_STACK_SENTINEL] = true; + StackPrototype.withMutations = MapPrototype.withMutations; + StackPrototype.asMutable = MapPrototype.asMutable; + StackPrototype.asImmutable = MapPrototype.asImmutable; + StackPrototype.wasAltered = MapPrototype.wasAltered; + + + function makeStack(size, head, ownerID, hash) { + var map = Object.create(StackPrototype); + map.size = size; + map._head = head; + map.__ownerID = ownerID; + map.__hash = hash; + map.__altered = false; + return map; + } + + var EMPTY_STACK; + function emptyStack() { + return EMPTY_STACK || (EMPTY_STACK = makeStack(0)); + } + + /** + * Contributes additional methods to a constructor + */ + function mixin(ctor, methods) { + var keyCopier = function(key ) { ctor.prototype[key] = methods[key]; }; + Object.keys(methods).forEach(keyCopier); + Object.getOwnPropertySymbols && + Object.getOwnPropertySymbols(methods).forEach(keyCopier); + return ctor; + } + + Iterable.Iterator = Iterator; + + mixin(Iterable, { + + // ### Conversion to other types + + toArray: function() { + assertNotInfinite(this.size); + var array = new Array(this.size || 0); + this.valueSeq().__iterate(function(v, i) { array[i] = v; }); + return array; + }, + + toIndexedSeq: function() { + return new ToIndexedSequence(this); + }, + + toJS: function() { + return this.toSeq().map( + function(value ) {return value && typeof value.toJS === 'function' ? value.toJS() : value} + ).__toJS(); + }, + + toJSON: function() { + return this.toSeq().map( + function(value ) {return value && typeof value.toJSON === 'function' ? value.toJSON() : value} + ).__toJS(); + }, + + toKeyedSeq: function() { + return new ToKeyedSequence(this, true); + }, + + toMap: function() { + // Use Late Binding here to solve the circular dependency. + return Map(this.toKeyedSeq()); + }, + + toObject: function() { + assertNotInfinite(this.size); + var object = {}; + this.__iterate(function(v, k) { object[k] = v; }); + return object; + }, + + toOrderedMap: function() { + // Use Late Binding here to solve the circular dependency. + return OrderedMap(this.toKeyedSeq()); + }, + + toOrderedSet: function() { + // Use Late Binding here to solve the circular dependency. + return OrderedSet(isKeyed(this) ? this.valueSeq() : this); + }, + + toSet: function() { + // Use Late Binding here to solve the circular dependency. + return Set(isKeyed(this) ? this.valueSeq() : this); + }, + + toSetSeq: function() { + return new ToSetSequence(this); + }, + + toSeq: function() { + return isIndexed(this) ? this.toIndexedSeq() : + isKeyed(this) ? this.toKeyedSeq() : + this.toSetSeq(); + }, + + toStack: function() { + // Use Late Binding here to solve the circular dependency. + return Stack(isKeyed(this) ? this.valueSeq() : this); + }, + + toList: function() { + // Use Late Binding here to solve the circular dependency. + return List(isKeyed(this) ? this.valueSeq() : this); + }, + + + // ### Common JavaScript methods and properties + + toString: function() { + return '[Iterable]'; + }, + + __toString: function(head, tail) { + if (this.size === 0) { + return head + tail; + } + return head + ' ' + this.toSeq().map(this.__toStringMapper).join(', ') + ' ' + tail; + }, + + + // ### ES6 Collection methods (ES6 Array and Map) + + concat: function() {var values = SLICE$0.call(arguments, 0); + return reify(this, concatFactory(this, values)); + }, + + includes: function(searchValue) { + return this.some(function(value ) {return is(value, searchValue)}); + }, + + entries: function() { + return this.__iterator(ITERATE_ENTRIES); + }, + + every: function(predicate, context) { + assertNotInfinite(this.size); + var returnValue = true; + this.__iterate(function(v, k, c) { + if (!predicate.call(context, v, k, c)) { + returnValue = false; + return false; + } + }); + return returnValue; + }, + + filter: function(predicate, context) { + return reify(this, filterFactory(this, predicate, context, true)); + }, + + find: function(predicate, context, notSetValue) { + var entry = this.findEntry(predicate, context); + return entry ? entry[1] : notSetValue; + }, + + findEntry: function(predicate, context) { + var found; + this.__iterate(function(v, k, c) { + if (predicate.call(context, v, k, c)) { + found = [k, v]; + return false; + } + }); + return found; + }, + + findLastEntry: function(predicate, context) { + return this.toSeq().reverse().findEntry(predicate, context); + }, + + forEach: function(sideEffect, context) { + assertNotInfinite(this.size); + return this.__iterate(context ? sideEffect.bind(context) : sideEffect); + }, + + join: function(separator) { + assertNotInfinite(this.size); + separator = separator !== undefined ? '' + separator : ','; + var joined = ''; + var isFirst = true; + this.__iterate(function(v ) { + isFirst ? (isFirst = false) : (joined += separator); + joined += v !== null && v !== undefined ? v.toString() : ''; + }); + return joined; + }, + + keys: function() { + return this.__iterator(ITERATE_KEYS); + }, + + map: function(mapper, context) { + return reify(this, mapFactory(this, mapper, context)); + }, + + reduce: function(reducer, initialReduction, context) { + assertNotInfinite(this.size); + var reduction; + var useFirst; + if (arguments.length < 2) { + useFirst = true; + } else { + reduction = initialReduction; + } + this.__iterate(function(v, k, c) { + if (useFirst) { + useFirst = false; + reduction = v; + } else { + reduction = reducer.call(context, reduction, v, k, c); + } + }); + return reduction; + }, + + reduceRight: function(reducer, initialReduction, context) { + var reversed = this.toKeyedSeq().reverse(); + return reversed.reduce.apply(reversed, arguments); + }, + + reverse: function() { + return reify(this, reverseFactory(this, true)); + }, + + slice: function(begin, end) { + return reify(this, sliceFactory(this, begin, end, true)); + }, + + some: function(predicate, context) { + return !this.every(not(predicate), context); + }, + + sort: function(comparator) { + return reify(this, sortFactory(this, comparator)); + }, + + values: function() { + return this.__iterator(ITERATE_VALUES); + }, + + + // ### More sequential methods + + butLast: function() { + return this.slice(0, -1); + }, + + isEmpty: function() { + return this.size !== undefined ? this.size === 0 : !this.some(function() {return true}); + }, + + count: function(predicate, context) { + return ensureSize( + predicate ? this.toSeq().filter(predicate, context) : this + ); + }, + + countBy: function(grouper, context) { + return countByFactory(this, grouper, context); + }, + + equals: function(other) { + return deepEqual(this, other); + }, + + entrySeq: function() { + var iterable = this; + if (iterable._cache) { + // We cache as an entries array, so we can just return the cache! + return new ArraySeq(iterable._cache); + } + var entriesSequence = iterable.toSeq().map(entryMapper).toIndexedSeq(); + entriesSequence.fromEntrySeq = function() {return iterable.toSeq()}; + return entriesSequence; + }, + + filterNot: function(predicate, context) { + return this.filter(not(predicate), context); + }, + + findLast: function(predicate, context, notSetValue) { + return this.toKeyedSeq().reverse().find(predicate, context, notSetValue); + }, + + first: function() { + return this.find(returnTrue); + }, + + flatMap: function(mapper, context) { + return reify(this, flatMapFactory(this, mapper, context)); + }, + + flatten: function(depth) { + return reify(this, flattenFactory(this, depth, true)); + }, + + fromEntrySeq: function() { + return new FromEntriesSequence(this); + }, + + get: function(searchKey, notSetValue) { + return this.find(function(_, key) {return is(key, searchKey)}, undefined, notSetValue); + }, + + getIn: function(searchKeyPath, notSetValue) { + var nested = this; + // Note: in an ES6 environment, we would prefer: + // for (var key of searchKeyPath) { + var iter = forceIterator(searchKeyPath); + var step; + while (!(step = iter.next()).done) { + var key = step.value; + nested = nested && nested.get ? nested.get(key, NOT_SET) : NOT_SET; + if (nested === NOT_SET) { + return notSetValue; + } + } + return nested; + }, + + groupBy: function(grouper, context) { + return groupByFactory(this, grouper, context); + }, + + has: function(searchKey) { + return this.get(searchKey, NOT_SET) !== NOT_SET; + }, + + hasIn: function(searchKeyPath) { + return this.getIn(searchKeyPath, NOT_SET) !== NOT_SET; + }, + + isSubset: function(iter) { + iter = typeof iter.includes === 'function' ? iter : Iterable(iter); + return this.every(function(value ) {return iter.includes(value)}); + }, + + isSuperset: function(iter) { + iter = typeof iter.isSubset === 'function' ? iter : Iterable(iter); + return iter.isSubset(this); + }, + + keySeq: function() { + return this.toSeq().map(keyMapper).toIndexedSeq(); + }, + + last: function() { + return this.toSeq().reverse().first(); + }, + + max: function(comparator) { + return maxFactory(this, comparator); + }, + + maxBy: function(mapper, comparator) { + return maxFactory(this, comparator, mapper); + }, + + min: function(comparator) { + return maxFactory(this, comparator ? neg(comparator) : defaultNegComparator); + }, + + minBy: function(mapper, comparator) { + return maxFactory(this, comparator ? neg(comparator) : defaultNegComparator, mapper); + }, + + rest: function() { + return this.slice(1); + }, + + skip: function(amount) { + return this.slice(Math.max(0, amount)); + }, + + skipLast: function(amount) { + return reify(this, this.toSeq().reverse().skip(amount).reverse()); + }, + + skipWhile: function(predicate, context) { + return reify(this, skipWhileFactory(this, predicate, context, true)); + }, + + skipUntil: function(predicate, context) { + return this.skipWhile(not(predicate), context); + }, + + sortBy: function(mapper, comparator) { + return reify(this, sortFactory(this, comparator, mapper)); + }, + + take: function(amount) { + return this.slice(0, Math.max(0, amount)); + }, + + takeLast: function(amount) { + return reify(this, this.toSeq().reverse().take(amount).reverse()); + }, + + takeWhile: function(predicate, context) { + return reify(this, takeWhileFactory(this, predicate, context)); + }, + + takeUntil: function(predicate, context) { + return this.takeWhile(not(predicate), context); + }, + + valueSeq: function() { + return this.toIndexedSeq(); + }, + + + // ### Hashable Object + + hashCode: function() { + return this.__hash || (this.__hash = hashIterable(this)); + } + + + // ### Internal + + // abstract __iterate(fn, reverse) + + // abstract __iterator(type, reverse) + }); + + // var IS_ITERABLE_SENTINEL = '@@__IMMUTABLE_ITERABLE__@@'; + // var IS_KEYED_SENTINEL = '@@__IMMUTABLE_KEYED__@@'; + // var IS_INDEXED_SENTINEL = '@@__IMMUTABLE_INDEXED__@@'; + // var IS_ORDERED_SENTINEL = '@@__IMMUTABLE_ORDERED__@@'; + + var IterablePrototype = Iterable.prototype; + IterablePrototype[IS_ITERABLE_SENTINEL] = true; + IterablePrototype[ITERATOR_SYMBOL] = IterablePrototype.values; + IterablePrototype.__toJS = IterablePrototype.toArray; + IterablePrototype.__toStringMapper = quoteString; + IterablePrototype.inspect = + IterablePrototype.toSource = function() { return this.toString(); }; + IterablePrototype.chain = IterablePrototype.flatMap; + IterablePrototype.contains = IterablePrototype.includes; + + // Temporary warning about using length + (function () { + try { + Object.defineProperty(IterablePrototype, 'length', { + get: function () { + if (!Iterable.noLengthWarning) { + var stack; + try { + throw new Error(); + } catch (error) { + stack = error.stack; + } + if (stack.indexOf('_wrapObject') === -1) { + console && console.warn && console.warn( + 'iterable.length has been deprecated, '+ + 'use iterable.size or iterable.count(). '+ + 'This warning will become a silent error in a future version. ' + + stack + ); + return this.size; + } + } + } + }); + } catch (e) {} + })(); + + + + mixin(KeyedIterable, { + + // ### More sequential methods + + flip: function() { + return reify(this, flipFactory(this)); + }, + + findKey: function(predicate, context) { + var entry = this.findEntry(predicate, context); + return entry && entry[0]; + }, + + findLastKey: function(predicate, context) { + return this.toSeq().reverse().findKey(predicate, context); + }, + + keyOf: function(searchValue) { + return this.findKey(function(value ) {return is(value, searchValue)}); + }, + + lastKeyOf: function(searchValue) { + return this.findLastKey(function(value ) {return is(value, searchValue)}); + }, + + mapEntries: function(mapper, context) {var this$0 = this; + var iterations = 0; + return reify(this, + this.toSeq().map( + function(v, k) {return mapper.call(context, [k, v], iterations++, this$0)} + ).fromEntrySeq() + ); + }, + + mapKeys: function(mapper, context) {var this$0 = this; + return reify(this, + this.toSeq().flip().map( + function(k, v) {return mapper.call(context, k, v, this$0)} + ).flip() + ); + } + + }); + + var KeyedIterablePrototype = KeyedIterable.prototype; + KeyedIterablePrototype[IS_KEYED_SENTINEL] = true; + KeyedIterablePrototype[ITERATOR_SYMBOL] = IterablePrototype.entries; + KeyedIterablePrototype.__toJS = IterablePrototype.toObject; + KeyedIterablePrototype.__toStringMapper = function(v, k) {return JSON.stringify(k) + ': ' + quoteString(v)}; + + + + mixin(IndexedIterable, { + + // ### Conversion to other types + + toKeyedSeq: function() { + return new ToKeyedSequence(this, false); + }, + + + // ### ES6 Collection methods (ES6 Array and Map) + + filter: function(predicate, context) { + return reify(this, filterFactory(this, predicate, context, false)); + }, + + findIndex: function(predicate, context) { + var entry = this.findEntry(predicate, context); + return entry ? entry[0] : -1; + }, + + indexOf: function(searchValue) { + var key = this.toKeyedSeq().keyOf(searchValue); + return key === undefined ? -1 : key; + }, + + lastIndexOf: function(searchValue) { + var key = this.toKeyedSeq().reverse().keyOf(searchValue); + return key === undefined ? -1 : key; + + // var index = + // return this.toSeq().reverse().indexOf(searchValue); + }, + + reverse: function() { + return reify(this, reverseFactory(this, false)); + }, + + slice: function(begin, end) { + return reify(this, sliceFactory(this, begin, end, false)); + }, + + splice: function(index, removeNum /*, ...values*/) { + var numArgs = arguments.length; + removeNum = Math.max(removeNum | 0, 0); + if (numArgs === 0 || (numArgs === 2 && !removeNum)) { + return this; + } + // If index is negative, it should resolve relative to the size of the + // collection. However size may be expensive to compute if not cached, so + // only call count() if the number is in fact negative. + index = resolveBegin(index, index < 0 ? this.count() : this.size); + var spliced = this.slice(0, index); + return reify( + this, + numArgs === 1 ? + spliced : + spliced.concat(arrCopy(arguments, 2), this.slice(index + removeNum)) + ); + }, + + + // ### More collection methods + + findLastIndex: function(predicate, context) { + var key = this.toKeyedSeq().findLastKey(predicate, context); + return key === undefined ? -1 : key; + }, + + first: function() { + return this.get(0); + }, + + flatten: function(depth) { + return reify(this, flattenFactory(this, depth, false)); + }, + + get: function(index, notSetValue) { + index = wrapIndex(this, index); + return (index < 0 || (this.size === Infinity || + (this.size !== undefined && index > this.size))) ? + notSetValue : + this.find(function(_, key) {return key === index}, undefined, notSetValue); + }, + + has: function(index) { + index = wrapIndex(this, index); + return index >= 0 && (this.size !== undefined ? + this.size === Infinity || index < this.size : + this.indexOf(index) !== -1 + ); + }, + + interpose: function(separator) { + return reify(this, interposeFactory(this, separator)); + }, + + interleave: function(/*...iterables*/) { + var iterables = [this].concat(arrCopy(arguments)); + var zipped = zipWithFactory(this.toSeq(), IndexedSeq.of, iterables); + var interleaved = zipped.flatten(true); + if (zipped.size) { + interleaved.size = zipped.size * iterables.length; + } + return reify(this, interleaved); + }, + + last: function() { + return this.get(-1); + }, + + skipWhile: function(predicate, context) { + return reify(this, skipWhileFactory(this, predicate, context, false)); + }, + + zip: function(/*, ...iterables */) { + var iterables = [this].concat(arrCopy(arguments)); + return reify(this, zipWithFactory(this, defaultZipper, iterables)); + }, + + zipWith: function(zipper/*, ...iterables */) { + var iterables = arrCopy(arguments); + iterables[0] = this; + return reify(this, zipWithFactory(this, zipper, iterables)); + } + + }); + + IndexedIterable.prototype[IS_INDEXED_SENTINEL] = true; + IndexedIterable.prototype[IS_ORDERED_SENTINEL] = true; + + + + mixin(SetIterable, { + + // ### ES6 Collection methods (ES6 Array and Map) + + get: function(value, notSetValue) { + return this.has(value) ? value : notSetValue; + }, + + includes: function(value) { + return this.has(value); + }, + + + // ### More sequential methods + + keySeq: function() { + return this.valueSeq(); + } + + }); + + SetIterable.prototype.has = IterablePrototype.includes; + + + // Mixin subclasses + + mixin(KeyedSeq, KeyedIterable.prototype); + mixin(IndexedSeq, IndexedIterable.prototype); + mixin(SetSeq, SetIterable.prototype); + + mixin(KeyedCollection, KeyedIterable.prototype); + mixin(IndexedCollection, IndexedIterable.prototype); + mixin(SetCollection, SetIterable.prototype); + + + // #pragma Helper functions + + function keyMapper(v, k) { + return k; + } + + function entryMapper(v, k) { + return [k, v]; + } + + function not(predicate) { + return function() { + return !predicate.apply(this, arguments); + } + } + + function neg(predicate) { + return function() { + return -predicate.apply(this, arguments); + } + } + + function quoteString(value) { + return typeof value === 'string' ? JSON.stringify(value) : value; + } + + function defaultZipper() { + return arrCopy(arguments); + } + + function defaultNegComparator(a, b) { + return a < b ? 1 : a > b ? -1 : 0; + } + + function hashIterable(iterable) { + if (iterable.size === Infinity) { + return 0; + } + var ordered = isOrdered(iterable); + var keyed = isKeyed(iterable); + var h = ordered ? 1 : 0; + var size = iterable.__iterate( + keyed ? + ordered ? + function(v, k) { h = 31 * h + hashMerge(hash(v), hash(k)) | 0; } : + function(v, k) { h = h + hashMerge(hash(v), hash(k)) | 0; } : + ordered ? + function(v ) { h = 31 * h + hash(v) | 0; } : + function(v ) { h = h + hash(v) | 0; } + ); + return murmurHashOfSize(size, h); + } + + function murmurHashOfSize(size, h) { + h = imul(h, 0xCC9E2D51); + h = imul(h << 15 | h >>> -15, 0x1B873593); + h = imul(h << 13 | h >>> -13, 5); + h = (h + 0xE6546B64 | 0) ^ size; + h = imul(h ^ h >>> 16, 0x85EBCA6B); + h = imul(h ^ h >>> 13, 0xC2B2AE35); + h = smi(h ^ h >>> 16); + return h; + } + + function hashMerge(a, b) { + return a ^ b + 0x9E3779B9 + (a << 6) + (a >> 2) | 0; // int + } + + var Immutable = { + + Iterable: Iterable, + + Seq: Seq, + Collection: Collection, + Map: Map, + OrderedMap: OrderedMap, + List: List, + Stack: Stack, + Set: Set, + OrderedSet: OrderedSet, + + Record: Record, + Range: Range, + Repeat: Repeat, + + is: is, + fromJS: fromJS + + }; + + return Immutable; + +})); + +/***/ }), +/* 9 */ +/***/ (function(module, exports, __webpack_require__) { + +/** + * Copyright (c) 2013-present, Facebook, Inc. + * + * This source code is licensed under the MIT license found in the + * LICENSE file in the root directory of this source tree. + */ + +if (true) { + var REACT_ELEMENT_TYPE = (typeof Symbol === 'function' && + Symbol.for && + Symbol.for('react.element')) || + 0xeac7; + + var isValidElement = function(object) { + return typeof object === 'object' && + object !== null && + object.$$typeof === REACT_ELEMENT_TYPE; + }; + + // By explicitly using `prop-types` you are opting into new development behavior. + // http://fb.me/prop-types-in-prod + var throwOnDirectAccess = true; + module.exports = __webpack_require__(501)(isValidElement, throwOnDirectAccess); +} else { + // By explicitly using `prop-types` you are opting into new production behavior. + // http://fb.me/prop-types-in-prod + module.exports = require('./factoryWithThrowingShims')(); +} + + +/***/ }), +/* 10 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; +/** + * Copyright (c) 2013-present, Facebook, Inc. + * All rights reserved. + * + * This source code is licensed under the BSD-style license found in the + * LICENSE file in the root directory of this source tree. An additional grant + * of patent rights can be found in the PATENTS file in the same directory. + * + * @providesModule EditorState + * @format + * + */ + + + +var _assign = __webpack_require__(18); + +var _extends = _assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; + +function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } + +var BlockTree = __webpack_require__(458); +var ContentState = __webpack_require__(170); +var EditorBidiService = __webpack_require__(946); +var Immutable = __webpack_require__(8); +var SelectionState = __webpack_require__(71); + +var OrderedSet = Immutable.OrderedSet, + Record = Immutable.Record, + Stack = Immutable.Stack; + + +var defaultRecord = { + allowUndo: true, + currentContent: null, + decorator: null, + directionMap: null, + forceSelection: false, + inCompositionMode: false, + inlineStyleOverride: null, + lastChangeType: null, + nativelyRenderedContent: null, + redoStack: Stack(), + selection: null, + treeMap: null, + undoStack: Stack() +}; + +var EditorStateRecord = Record(defaultRecord); + +var EditorState = function () { + EditorState.createEmpty = function createEmpty(decorator) { + return EditorState.createWithContent(ContentState.createFromText(''), decorator); + }; + + EditorState.createWithContent = function createWithContent(contentState, decorator) { + var firstKey = contentState.getBlockMap().first().getKey(); + return EditorState.create({ + currentContent: contentState, + undoStack: Stack(), + redoStack: Stack(), + decorator: decorator || null, + selection: SelectionState.createEmpty(firstKey) + }); + }; + + EditorState.create = function create(config) { + var currentContent = config.currentContent, + decorator = config.decorator; + + var recordConfig = _extends({}, config, { + treeMap: generateNewTreeMap(currentContent, decorator), + directionMap: EditorBidiService.getDirectionMap(currentContent) + }); + return new EditorState(new EditorStateRecord(recordConfig)); + }; + + EditorState.set = function set(editorState, put) { + var map = editorState.getImmutable().withMutations(function (state) { + var existingDecorator = state.get('decorator'); + var decorator = existingDecorator; + if (put.decorator === null) { + decorator = null; + } else if (put.decorator) { + decorator = put.decorator; + } + + var newContent = put.currentContent || editorState.getCurrentContent(); + + if (decorator !== existingDecorator) { + var treeMap = state.get('treeMap'); + var newTreeMap; + if (decorator && existingDecorator) { + newTreeMap = regenerateTreeForNewDecorator(newContent, newContent.getBlockMap(), treeMap, decorator, existingDecorator); + } else { + newTreeMap = generateNewTreeMap(newContent, decorator); + } + + state.merge({ + decorator: decorator, + treeMap: newTreeMap, + nativelyRenderedContent: null + }); + return; + } + + var existingContent = editorState.getCurrentContent(); + if (newContent !== existingContent) { + state.set('treeMap', regenerateTreeForNewBlocks(editorState, newContent.getBlockMap(), newContent.getEntityMap(), decorator)); + } + + state.merge(put); + }); + + return new EditorState(map); + }; + + EditorState.prototype.toJS = function toJS() { + return this.getImmutable().toJS(); + }; + + EditorState.prototype.getAllowUndo = function getAllowUndo() { + return this.getImmutable().get('allowUndo'); + }; + + EditorState.prototype.getCurrentContent = function getCurrentContent() { + return this.getImmutable().get('currentContent'); + }; + + EditorState.prototype.getUndoStack = function getUndoStack() { + return this.getImmutable().get('undoStack'); + }; + + EditorState.prototype.getRedoStack = function getRedoStack() { + return this.getImmutable().get('redoStack'); + }; + + EditorState.prototype.getSelection = function getSelection() { + return this.getImmutable().get('selection'); + }; + + EditorState.prototype.getDecorator = function getDecorator() { + return this.getImmutable().get('decorator'); + }; + + EditorState.prototype.isInCompositionMode = function isInCompositionMode() { + return this.getImmutable().get('inCompositionMode'); + }; + + EditorState.prototype.mustForceSelection = function mustForceSelection() { + return this.getImmutable().get('forceSelection'); + }; + + EditorState.prototype.getNativelyRenderedContent = function getNativelyRenderedContent() { + return this.getImmutable().get('nativelyRenderedContent'); + }; + + EditorState.prototype.getLastChangeType = function getLastChangeType() { + return this.getImmutable().get('lastChangeType'); + }; + + /** + * While editing, the user may apply inline style commands with a collapsed + * cursor, intending to type text that adopts the specified style. In this + * case, we track the specified style as an "override" that takes precedence + * over the inline style of the text adjacent to the cursor. + * + * If null, there is no override in place. + */ + + + EditorState.prototype.getInlineStyleOverride = function getInlineStyleOverride() { + return this.getImmutable().get('inlineStyleOverride'); + }; + + EditorState.setInlineStyleOverride = function setInlineStyleOverride(editorState, inlineStyleOverride) { + return EditorState.set(editorState, { inlineStyleOverride: inlineStyleOverride }); + }; + + /** + * Get the appropriate inline style for the editor state. If an + * override is in place, use it. Otherwise, the current style is + * based on the location of the selection state. + */ + + + EditorState.prototype.getCurrentInlineStyle = function getCurrentInlineStyle() { + var override = this.getInlineStyleOverride(); + if (override != null) { + return override; + } + + var content = this.getCurrentContent(); + var selection = this.getSelection(); + + if (selection.isCollapsed()) { + return getInlineStyleForCollapsedSelection(content, selection); + } + + return getInlineStyleForNonCollapsedSelection(content, selection); + }; + + EditorState.prototype.getBlockTree = function getBlockTree(blockKey) { + return this.getImmutable().getIn(['treeMap', blockKey]); + }; + + EditorState.prototype.isSelectionAtStartOfContent = function isSelectionAtStartOfContent() { + var firstKey = this.getCurrentContent().getBlockMap().first().getKey(); + return this.getSelection().hasEdgeWithin(firstKey, 0, 0); + }; + + EditorState.prototype.isSelectionAtEndOfContent = function isSelectionAtEndOfContent() { + var content = this.getCurrentContent(); + var blockMap = content.getBlockMap(); + var last = blockMap.last(); + var end = last.getLength(); + return this.getSelection().hasEdgeWithin(last.getKey(), end, end); + }; + + EditorState.prototype.getDirectionMap = function getDirectionMap() { + return this.getImmutable().get('directionMap'); + }; + + /** + * Incorporate native DOM selection changes into the EditorState. This + * method can be used when we simply want to accept whatever the DOM + * has given us to represent selection, and we do not need to re-render + * the editor. + * + * To forcibly move the DOM selection, see `EditorState.forceSelection`. + */ + + + EditorState.acceptSelection = function acceptSelection(editorState, selection) { + return updateSelection(editorState, selection, false); + }; + + /** + * At times, we need to force the DOM selection to be where we + * need it to be. This can occur when the anchor or focus nodes + * are non-text nodes, for instance. In this case, we want to trigger + * a re-render of the editor, which in turn forces selection into + * the correct place in the DOM. The `forceSelection` method + * accomplishes this. + * + * This method should be used in cases where you need to explicitly + * move the DOM selection from one place to another without a change + * in ContentState. + */ + + + EditorState.forceSelection = function forceSelection(editorState, selection) { + if (!selection.getHasFocus()) { + selection = selection.set('hasFocus', true); + } + return updateSelection(editorState, selection, true); + }; + + /** + * Move selection to the end of the editor without forcing focus. + */ + + + EditorState.moveSelectionToEnd = function moveSelectionToEnd(editorState) { + var content = editorState.getCurrentContent(); + var lastBlock = content.getLastBlock(); + var lastKey = lastBlock.getKey(); + var length = lastBlock.getLength(); + + return EditorState.acceptSelection(editorState, new SelectionState({ + anchorKey: lastKey, + anchorOffset: length, + focusKey: lastKey, + focusOffset: length, + isBackward: false + })); + }; + + /** + * Force focus to the end of the editor. This is useful in scenarios + * where we want to programmatically focus the input and it makes sense + * to allow the user to continue working seamlessly. + */ + + + EditorState.moveFocusToEnd = function moveFocusToEnd(editorState) { + var afterSelectionMove = EditorState.moveSelectionToEnd(editorState); + return EditorState.forceSelection(afterSelectionMove, afterSelectionMove.getSelection()); + }; + + /** + * Push the current ContentState onto the undo stack if it should be + * considered a boundary state, and set the provided ContentState as the + * new current content. + */ + + + EditorState.push = function push(editorState, contentState, changeType) { + if (editorState.getCurrentContent() === contentState) { + return editorState; + } + + var forceSelection = changeType !== 'insert-characters'; + var directionMap = EditorBidiService.getDirectionMap(contentState, editorState.getDirectionMap()); + + if (!editorState.getAllowUndo()) { + return EditorState.set(editorState, { + currentContent: contentState, + directionMap: directionMap, + lastChangeType: changeType, + selection: contentState.getSelectionAfter(), + forceSelection: forceSelection, + inlineStyleOverride: null + }); + } + + var selection = editorState.getSelection(); + var currentContent = editorState.getCurrentContent(); + var undoStack = editorState.getUndoStack(); + var newContent = contentState; + + if (selection !== currentContent.getSelectionAfter() || mustBecomeBoundary(editorState, changeType)) { + undoStack = undoStack.push(currentContent); + newContent = newContent.set('selectionBefore', selection); + } else if (changeType === 'insert-characters' || changeType === 'backspace-character' || changeType === 'delete-character') { + // Preserve the previous selection. + newContent = newContent.set('selectionBefore', currentContent.getSelectionBefore()); + } + + var inlineStyleOverride = editorState.getInlineStyleOverride(); + + // Don't discard inline style overrides for the following change types: + var overrideChangeTypes = ['adjust-depth', 'change-block-type', 'split-block']; + + if (overrideChangeTypes.indexOf(changeType) === -1) { + inlineStyleOverride = null; + } + + var editorStateChanges = { + currentContent: newContent, + directionMap: directionMap, + undoStack: undoStack, + redoStack: Stack(), + lastChangeType: changeType, + selection: contentState.getSelectionAfter(), + forceSelection: forceSelection, + inlineStyleOverride: inlineStyleOverride + }; + + return EditorState.set(editorState, editorStateChanges); + }; + + /** + * Make the top ContentState in the undo stack the new current content and + * push the current content onto the redo stack. + */ + + + EditorState.undo = function undo(editorState) { + if (!editorState.getAllowUndo()) { + return editorState; + } + + var undoStack = editorState.getUndoStack(); + var newCurrentContent = undoStack.peek(); + if (!newCurrentContent) { + return editorState; + } + + var currentContent = editorState.getCurrentContent(); + var directionMap = EditorBidiService.getDirectionMap(newCurrentContent, editorState.getDirectionMap()); + + return EditorState.set(editorState, { + currentContent: newCurrentContent, + directionMap: directionMap, + undoStack: undoStack.shift(), + redoStack: editorState.getRedoStack().push(currentContent), + forceSelection: true, + inlineStyleOverride: null, + lastChangeType: 'undo', + nativelyRenderedContent: null, + selection: currentContent.getSelectionBefore() + }); + }; + + /** + * Make the top ContentState in the redo stack the new current content and + * push the current content onto the undo stack. + */ + + + EditorState.redo = function redo(editorState) { + if (!editorState.getAllowUndo()) { + return editorState; + } + + var redoStack = editorState.getRedoStack(); + var newCurrentContent = redoStack.peek(); + if (!newCurrentContent) { + return editorState; + } + + var currentContent = editorState.getCurrentContent(); + var directionMap = EditorBidiService.getDirectionMap(newCurrentContent, editorState.getDirectionMap()); + + return EditorState.set(editorState, { + currentContent: newCurrentContent, + directionMap: directionMap, + undoStack: editorState.getUndoStack().push(currentContent), + redoStack: redoStack.shift(), + forceSelection: true, + inlineStyleOverride: null, + lastChangeType: 'redo', + nativelyRenderedContent: null, + selection: newCurrentContent.getSelectionAfter() + }); + }; + + /** + * Not for public consumption. + */ + + + function EditorState(immutable) { + _classCallCheck(this, EditorState); + + this._immutable = immutable; + } + + /** + * Not for public consumption. + */ + + + EditorState.prototype.getImmutable = function getImmutable() { + return this._immutable; + }; + + return EditorState; +}(); + +/** + * Set the supplied SelectionState as the new current selection, and set + * the `force` flag to trigger manual selection placement by the view. + */ + + +function updateSelection(editorState, selection, forceSelection) { + return EditorState.set(editorState, { + selection: selection, + forceSelection: forceSelection, + nativelyRenderedContent: null, + inlineStyleOverride: null + }); +} + +/** + * Regenerate the entire tree map for a given ContentState and decorator. + * Returns an OrderedMap that maps all available ContentBlock objects. + */ +function generateNewTreeMap(contentState, decorator) { + return contentState.getBlockMap().map(function (block) { + return BlockTree.generate(contentState, block, decorator); + }).toOrderedMap(); +} + +/** + * Regenerate tree map objects for all ContentBlocks that have changed + * between the current editorState and newContent. Returns an OrderedMap + * with only changed regenerated tree map objects. + */ +function regenerateTreeForNewBlocks(editorState, newBlockMap, newEntityMap, decorator) { + var contentState = editorState.getCurrentContent().set('entityMap', newEntityMap); + var prevBlockMap = contentState.getBlockMap(); + var prevTreeMap = editorState.getImmutable().get('treeMap'); + return prevTreeMap.merge(newBlockMap.toSeq().filter(function (block, key) { + return block !== prevBlockMap.get(key); + }).map(function (block) { + return BlockTree.generate(contentState, block, decorator); + })); +} + +/** + * Generate tree map objects for a new decorator object, preserving any + * decorations that are unchanged from the previous decorator. + * + * Note that in order for this to perform optimally, decoration Lists for + * decorators should be preserved when possible to allow for direct immutable + * List comparison. + */ +function regenerateTreeForNewDecorator(content, blockMap, previousTreeMap, decorator, existingDecorator) { + return previousTreeMap.merge(blockMap.toSeq().filter(function (block) { + return decorator.getDecorations(block, content) !== existingDecorator.getDecorations(block, content); + }).map(function (block) { + return BlockTree.generate(content, block, decorator); + })); +} + +/** + * Return whether a change should be considered a boundary state, given + * the previous change type. Allows us to discard potential boundary states + * during standard typing or deletion behavior. + */ +function mustBecomeBoundary(editorState, changeType) { + var lastChangeType = editorState.getLastChangeType(); + return changeType !== lastChangeType || changeType !== 'insert-characters' && changeType !== 'backspace-character' && changeType !== 'delete-character'; +} + +function getInlineStyleForCollapsedSelection(content, selection) { + var startKey = selection.getStartKey(); + var startOffset = selection.getStartOffset(); + var startBlock = content.getBlockForKey(startKey); + + // If the cursor is not at the start of the block, look backward to + // preserve the style of the preceding character. + if (startOffset > 0) { + return startBlock.getInlineStyleAt(startOffset - 1); + } + + // The caret is at position zero in this block. If the block has any + // text at all, use the style of the first character. + if (startBlock.getLength()) { + return startBlock.getInlineStyleAt(0); + } + + // Otherwise, look upward in the document to find the closest character. + return lookUpwardForInlineStyle(content, startKey); +} + +function getInlineStyleForNonCollapsedSelection(content, selection) { + var startKey = selection.getStartKey(); + var startOffset = selection.getStartOffset(); + var startBlock = content.getBlockForKey(startKey); + + // If there is a character just inside the selection, use its style. + if (startOffset < startBlock.getLength()) { + return startBlock.getInlineStyleAt(startOffset); + } + + // Check if the selection at the end of a non-empty block. Use the last + // style in the block. + if (startOffset > 0) { + return startBlock.getInlineStyleAt(startOffset - 1); + } + + // Otherwise, look upward in the document to find the closest character. + return lookUpwardForInlineStyle(content, startKey); +} + +function lookUpwardForInlineStyle(content, fromKey) { + var lastNonEmpty = content.getBlockMap().reverse().skipUntil(function (_, k) { + return k === fromKey; + }).skip(1).skipUntil(function (block, _) { + return block.getLength(); + }).first(); + + if (lastNonEmpty) return lastNonEmpty.getInlineStyleAt(lastNonEmpty.getLength() - 1); + return OrderedSet(); +} + +module.exports = EditorState; + +/***/ }), +/* 11 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +var AsyncAction_1 = __webpack_require__(91); +var AsyncScheduler_1 = __webpack_require__(92); +/** + * + * Async Scheduler + * + * Schedule task as if you used setTimeout(task, duration) + * + * `async` scheduler schedules tasks asynchronously, by putting them on the JavaScript + * event loop queue. It is best used to delay tasks in time or to schedule tasks repeating + * in intervals. + * + * If you just want to "defer" task, that is to perform it right after currently + * executing synchronous code ends (commonly achieved by `setTimeout(deferredTask, 0)`), + * better choice will be the {@link asap} scheduler. + * + * @example Use async scheduler to delay task + * const task = () => console.log('it works!'); + * + * Rx.Scheduler.async.schedule(task, 2000); + * + * // After 2 seconds logs: + * // "it works!" + * + * + * @example Use async scheduler to repeat task in intervals + * function task(state) { + * console.log(state); + * this.schedule(state + 1, 1000); // `this` references currently executing Action, + * // which we reschedule with new state and delay + * } + * + * Rx.Scheduler.async.schedule(task, 3000, 0); + * + * // Logs: + * // 0 after 3s + * // 1 after 4s + * // 2 after 5s + * // 3 after 6s + * + * @static true + * @name async + * @owner Scheduler + */ +exports.async = new AsyncScheduler_1.AsyncScheduler(AsyncAction_1.AsyncAction); +//# sourceMappingURL=async.js.map + +/***/ }), +/* 12 */ +/***/ (function(module, exports, __webpack_require__) { + +var store = __webpack_require__(131)('wks'); +var uid = __webpack_require__(75); +var Symbol = __webpack_require__(21).Symbol; +var USE_SYMBOL = typeof Symbol == 'function'; + +var $exports = module.exports = function (name) { + return store[name] || (store[name] = + USE_SYMBOL && Symbol[name] || (USE_SYMBOL ? Symbol : uid)('Symbol.' + name)); +}; + +$exports.store = store; + + +/***/ }), +/* 13 */ +/***/ (function(module, exports) { + +module.exports = function (it) { + return typeof it === 'object' ? it !== null : typeof it === 'function'; +}; + + +/***/ }), +/* 14 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +var __extends = (this && this.__extends) || function (d, b) { + for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; + function __() { this.constructor = d; } + d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __()); +}; +var Observable_1 = __webpack_require__(0); +var Subscriber_1 = __webpack_require__(2); +var Subscription_1 = __webpack_require__(15); +var ObjectUnsubscribedError_1 = __webpack_require__(109); +var SubjectSubscription_1 = __webpack_require__(223); +var rxSubscriber_1 = __webpack_require__(107); +/** + * @class SubjectSubscriber + */ +var SubjectSubscriber = (function (_super) { + __extends(SubjectSubscriber, _super); + function SubjectSubscriber(destination) { + _super.call(this, destination); + this.destination = destination; + } + return SubjectSubscriber; +}(Subscriber_1.Subscriber)); +exports.SubjectSubscriber = SubjectSubscriber; +/** + * @class Subject + */ +var Subject = (function (_super) { + __extends(Subject, _super); + function Subject() { + _super.call(this); + this.observers = []; + this.closed = false; + this.isStopped = false; + this.hasError = false; + this.thrownError = null; + } + Subject.prototype[rxSubscriber_1.rxSubscriber] = function () { + return new SubjectSubscriber(this); + }; + Subject.prototype.lift = function (operator) { + var subject = new AnonymousSubject(this, this); + subject.operator = operator; + return subject; + }; + Subject.prototype.next = function (value) { + if (this.closed) { + throw new ObjectUnsubscribedError_1.ObjectUnsubscribedError(); + } + if (!this.isStopped) { + var observers = this.observers; + var len = observers.length; + var copy = observers.slice(); + for (var i = 0; i < len; i++) { + copy[i].next(value); + } + } + }; + Subject.prototype.error = function (err) { + if (this.closed) { + throw new ObjectUnsubscribedError_1.ObjectUnsubscribedError(); + } + this.hasError = true; + this.thrownError = err; + this.isStopped = true; + var observers = this.observers; + var len = observers.length; + var copy = observers.slice(); + for (var i = 0; i < len; i++) { + copy[i].error(err); + } + this.observers.length = 0; + }; + Subject.prototype.complete = function () { + if (this.closed) { + throw new ObjectUnsubscribedError_1.ObjectUnsubscribedError(); + } + this.isStopped = true; + var observers = this.observers; + var len = observers.length; + var copy = observers.slice(); + for (var i = 0; i < len; i++) { + copy[i].complete(); + } + this.observers.length = 0; + }; + Subject.prototype.unsubscribe = function () { + this.isStopped = true; + this.closed = true; + this.observers = null; + }; + Subject.prototype._trySubscribe = function (subscriber) { + if (this.closed) { + throw new ObjectUnsubscribedError_1.ObjectUnsubscribedError(); + } + else { + return _super.prototype._trySubscribe.call(this, subscriber); + } + }; + /** @deprecated internal use only */ Subject.prototype._subscribe = function (subscriber) { + if (this.closed) { + throw new ObjectUnsubscribedError_1.ObjectUnsubscribedError(); + } + else if (this.hasError) { + subscriber.error(this.thrownError); + return Subscription_1.Subscription.EMPTY; + } + else if (this.isStopped) { + subscriber.complete(); + return Subscription_1.Subscription.EMPTY; + } + else { + this.observers.push(subscriber); + return new SubjectSubscription_1.SubjectSubscription(this, subscriber); + } + }; + Subject.prototype.asObservable = function () { + var observable = new Observable_1.Observable(); + observable.source = this; + return observable; + }; + Subject.create = function (destination, source) { + return new AnonymousSubject(destination, source); + }; + return Subject; +}(Observable_1.Observable)); +exports.Subject = Subject; +/** + * @class AnonymousSubject + */ +var AnonymousSubject = (function (_super) { + __extends(AnonymousSubject, _super); + function AnonymousSubject(destination, source) { + _super.call(this); + this.destination = destination; + this.source = source; + } + AnonymousSubject.prototype.next = function (value) { + var destination = this.destination; + if (destination && destination.next) { + destination.next(value); + } + }; + AnonymousSubject.prototype.error = function (err) { + var destination = this.destination; + if (destination && destination.error) { + this.destination.error(err); + } + }; + AnonymousSubject.prototype.complete = function () { + var destination = this.destination; + if (destination && destination.complete) { + this.destination.complete(); + } + }; + /** @deprecated internal use only */ AnonymousSubject.prototype._subscribe = function (subscriber) { + var source = this.source; + if (source) { + return this.source.subscribe(subscriber); + } + else { + return Subscription_1.Subscription.EMPTY; + } + }; + return AnonymousSubject; +}(Subject)); +exports.AnonymousSubject = AnonymousSubject; +//# sourceMappingURL=Subject.js.map + +/***/ }), +/* 15 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +var isArray_1 = __webpack_require__(39); +var isObject_1 = __webpack_require__(220); +var isFunction_1 = __webpack_require__(106); +var tryCatch_1 = __webpack_require__(19); +var errorObject_1 = __webpack_require__(16); +var UnsubscriptionError_1 = __webpack_require__(221); +/** + * Represents a disposable resource, such as the execution of an Observable. A + * Subscription has one important method, `unsubscribe`, that takes no argument + * and just disposes the resource held by the subscription. + * + * Additionally, subscriptions may be grouped together through the `add()` + * method, which will attach a child Subscription to the current Subscription. + * When a Subscription is unsubscribed, all its children (and its grandchildren) + * will be unsubscribed as well. + * + * @class Subscription + */ +var Subscription = (function () { + /** + * @param {function(): void} [unsubscribe] A function describing how to + * perform the disposal of resources when the `unsubscribe` method is called. + */ + function Subscription(unsubscribe) { + /** + * A flag to indicate whether this Subscription has already been unsubscribed. + * @type {boolean} + */ + this.closed = false; + this._parent = null; + this._parents = null; + this._subscriptions = null; + if (unsubscribe) { + this._unsubscribe = unsubscribe; + } + } + /** + * Disposes the resources held by the subscription. May, for instance, cancel + * an ongoing Observable execution or cancel any other type of work that + * started when the Subscription was created. + * @return {void} + */ + Subscription.prototype.unsubscribe = function () { + var hasErrors = false; + var errors; + if (this.closed) { + return; + } + var _a = this, _parent = _a._parent, _parents = _a._parents, _unsubscribe = _a._unsubscribe, _subscriptions = _a._subscriptions; + this.closed = true; + this._parent = null; + this._parents = null; + // null out _subscriptions first so any child subscriptions that attempt + // to remove themselves from this subscription will noop + this._subscriptions = null; + var index = -1; + var len = _parents ? _parents.length : 0; + // if this._parent is null, then so is this._parents, and we + // don't have to remove ourselves from any parent subscriptions. + while (_parent) { + _parent.remove(this); + // if this._parents is null or index >= len, + // then _parent is set to null, and the loop exits + _parent = ++index < len && _parents[index] || null; + } + if (isFunction_1.isFunction(_unsubscribe)) { + var trial = tryCatch_1.tryCatch(_unsubscribe).call(this); + if (trial === errorObject_1.errorObject) { + hasErrors = true; + errors = errors || (errorObject_1.errorObject.e instanceof UnsubscriptionError_1.UnsubscriptionError ? + flattenUnsubscriptionErrors(errorObject_1.errorObject.e.errors) : [errorObject_1.errorObject.e]); + } + } + if (isArray_1.isArray(_subscriptions)) { + index = -1; + len = _subscriptions.length; + while (++index < len) { + var sub = _subscriptions[index]; + if (isObject_1.isObject(sub)) { + var trial = tryCatch_1.tryCatch(sub.unsubscribe).call(sub); + if (trial === errorObject_1.errorObject) { + hasErrors = true; + errors = errors || []; + var err = errorObject_1.errorObject.e; + if (err instanceof UnsubscriptionError_1.UnsubscriptionError) { + errors = errors.concat(flattenUnsubscriptionErrors(err.errors)); + } + else { + errors.push(err); + } + } + } + } + } + if (hasErrors) { + throw new UnsubscriptionError_1.UnsubscriptionError(errors); + } + }; + /** + * Adds a tear down to be called during the unsubscribe() of this + * Subscription. + * + * If the tear down being added is a subscription that is already + * unsubscribed, is the same reference `add` is being called on, or is + * `Subscription.EMPTY`, it will not be added. + * + * If this subscription is already in an `closed` state, the passed + * tear down logic will be executed immediately. + * + * @param {TeardownLogic} teardown The additional logic to execute on + * teardown. + * @return {Subscription} Returns the Subscription used or created to be + * added to the inner subscriptions list. This Subscription can be used with + * `remove()` to remove the passed teardown logic from the inner subscriptions + * list. + */ + Subscription.prototype.add = function (teardown) { + if (!teardown || (teardown === Subscription.EMPTY)) { + return Subscription.EMPTY; + } + if (teardown === this) { + return this; + } + var subscription = teardown; + switch (typeof teardown) { + case 'function': + subscription = new Subscription(teardown); + case 'object': + if (subscription.closed || typeof subscription.unsubscribe !== 'function') { + return subscription; + } + else if (this.closed) { + subscription.unsubscribe(); + return subscription; + } + else if (typeof subscription._addParent !== 'function' /* quack quack */) { + var tmp = subscription; + subscription = new Subscription(); + subscription._subscriptions = [tmp]; + } + break; + default: + throw new Error('unrecognized teardown ' + teardown + ' added to Subscription.'); + } + var subscriptions = this._subscriptions || (this._subscriptions = []); + subscriptions.push(subscription); + subscription._addParent(this); + return subscription; + }; + /** + * Removes a Subscription from the internal list of subscriptions that will + * unsubscribe during the unsubscribe process of this Subscription. + * @param {Subscription} subscription The subscription to remove. + * @return {void} + */ + Subscription.prototype.remove = function (subscription) { + var subscriptions = this._subscriptions; + if (subscriptions) { + var subscriptionIndex = subscriptions.indexOf(subscription); + if (subscriptionIndex !== -1) { + subscriptions.splice(subscriptionIndex, 1); + } + } + }; + Subscription.prototype._addParent = function (parent) { + var _a = this, _parent = _a._parent, _parents = _a._parents; + if (!_parent || _parent === parent) { + // If we don't have a parent, or the new parent is the same as the + // current parent, then set this._parent to the new parent. + this._parent = parent; + } + else if (!_parents) { + // If there's already one parent, but not multiple, allocate an Array to + // store the rest of the parent Subscriptions. + this._parents = [parent]; + } + else if (_parents.indexOf(parent) === -1) { + // Only add the new parent to the _parents list if it's not already there. + _parents.push(parent); + } + }; + Subscription.EMPTY = (function (empty) { + empty.closed = true; + return empty; + }(new Subscription())); + return Subscription; +}()); +exports.Subscription = Subscription; +function flattenUnsubscriptionErrors(errors) { + return errors.reduce(function (errs, err) { return errs.concat((err instanceof UnsubscriptionError_1.UnsubscriptionError) ? err.errors : err); }, []); +} +//# sourceMappingURL=Subscription.js.map + +/***/ }), +/* 16 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + +// typeof any so that it we don't have to cast when comparing a result to the error object +exports.errorObject = { e: {} }; +//# sourceMappingURL=errorObject.js.map + +/***/ }), +/* 17 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; +/** + * Copyright (c) 2013-present, Facebook, Inc. + * All rights reserved. + * + * This source code is licensed under the BSD-style license found in the + * LICENSE file in the root directory of this source tree. An additional grant + * of patent rights can be found in the PATENTS file in the same directory. + * + * @providesModule Draft + * @format + * + */ + + + +var AtomicBlockUtils = __webpack_require__(933); +var BlockMapBuilder = __webpack_require__(95); +var CharacterMetadata = __webpack_require__(27); +var CompositeDraftDecorator = __webpack_require__(949); +var ContentBlock = __webpack_require__(62); +var ContentState = __webpack_require__(170); +var DefaultDraftBlockRenderMap = __webpack_require__(173); +var DefaultDraftInlineStyle = __webpack_require__(461); +var DraftEditor = __webpack_require__(950); +var DraftEditorBlock = __webpack_require__(463); +var DraftEntity = __webpack_require__(121); +var DraftModifier = __webpack_require__(24); +var DraftEntityInstance = __webpack_require__(459); +var EditorState = __webpack_require__(10); +var KeyBindingUtil = __webpack_require__(179); +var RichTextEditorUtil = __webpack_require__(477); +var SelectionState = __webpack_require__(71); + 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