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1//! moment.js
2//! version : 2.8.3
3//! authors : Tim Wood, Iskren Chernev, Moment.js contributors
4//! license : MIT
5//! momentjs.com
6
7(function (undefined) {
8    /************************************
9        Constants
10    ************************************/
11
12    var moment,
13        VERSION = '2.8.3',
14        // the global-scope this is NOT the global object in Node.js
15        globalScope = typeof global !== 'undefined' ? global : this,
16        oldGlobalMoment,
17        round = Math.round,
18        hasOwnProperty = Object.prototype.hasOwnProperty,
19        i,
20
21        YEAR = 0,
22        MONTH = 1,
23        DATE = 2,
24        HOUR = 3,
25        MINUTE = 4,
26        SECOND = 5,
27        MILLISECOND = 6,
28
29        // internal storage for locale config files
30        locales = {},
31
32        // extra moment internal properties (plugins register props here)
33        momentProperties = [],
34
35        // check for nodeJS
36        hasModule = (typeof module !== 'undefined' && module.exports),
37
38        // ASP.NET json date format regex
39        aspNetJsonRegex = /^\/?Date\((\-?\d+)/i,
40        aspNetTimeSpanJsonRegex = /(\-)?(?:(\d*)\.)?(\d+)\:(\d+)(?:\:(\d+)\.?(\d{3})?)?/,
41
42        // from http://docs.closure-library.googlecode.com/git/closure_goog_date_date.js.source.html
43        // somewhat more in line with 4.4.3.2 2004 spec, but allows decimal anywhere
44        isoDurationRegex = /^(-)?P(?:(?:([0-9,.]*)Y)?(?:([0-9,.]*)M)?(?:([0-9,.]*)D)?(?:T(?:([0-9,.]*)H)?(?:([0-9,.]*)M)?(?:([0-9,.]*)S)?)?|([0-9,.]*)W)$/,
45
46        // format tokens
47        formattingTokens = /(\[[^\[]*\])|(\\)?(Mo|MM?M?M?|Do|DDDo|DD?D?D?|ddd?d?|do?|w[o|w]?|W[o|W]?|Q|YYYYYY|YYYYY|YYYY|YY|gg(ggg?)?|GG(GGG?)?|e|E|a|A|hh?|HH?|mm?|ss?|S{1,4}|X|zz?|ZZ?|.)/g,
48        localFormattingTokens = /(\[[^\[]*\])|(\\)?(LT|LL?L?L?|l{1,4})/g,
49
50        // parsing token regexes
51        parseTokenOneOrTwoDigits = /\d\d?/, // 0 - 99
52        parseTokenOneToThreeDigits = /\d{1,3}/, // 0 - 999
53        parseTokenOneToFourDigits = /\d{1,4}/, // 0 - 9999
54        parseTokenOneToSixDigits = /[+\-]?\d{1,6}/, // -999,999 - 999,999
55        parseTokenDigits = /\d+/, // nonzero number of digits
56        parseTokenWord = /[0-9]*['a-z\u00A0-\u05FF\u0700-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]+|[\u0600-\u06FF\/]+(\s*?[\u0600-\u06FF]+){1,2}/i, // any word (or two) characters or numbers including two/three word month in arabic.
57        parseTokenTimezone = /Z|[\+\-]\d\d:?\d\d/gi, // +00:00 -00:00 +0000 -0000 or Z
58        parseTokenT = /T/i, // T (ISO separator)
59        parseTokenTimestampMs = /[\+\-]?\d+(\.\d{1,3})?/, // 123456789 123456789.123
60        parseTokenOrdinal = /\d{1,2}/,
61
62        //strict parsing regexes
63        parseTokenOneDigit = /\d/, // 0 - 9
64        parseTokenTwoDigits = /\d\d/, // 00 - 99
65        parseTokenThreeDigits = /\d{3}/, // 000 - 999
66        parseTokenFourDigits = /\d{4}/, // 0000 - 9999
67        parseTokenSixDigits = /[+-]?\d{6}/, // -999,999 - 999,999
68        parseTokenSignedNumber = /[+-]?\d+/, // -inf - inf
69
70        // iso 8601 regex
71        // 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)
72        isoRegex = /^\s*(?:[+-]\d{6}|\d{4})-(?:(\d\d-\d\d)|(W\d\d$)|(W\d\d-\d)|(\d\d\d))((T| )(\d\d(:\d\d(:\d\d(\.\d+)?)?)?)?([\+\-]\d\d(?::?\d\d)?|\s*Z)?)?$/,
73
74        isoFormat = 'YYYY-MM-DDTHH:mm:ssZ',
75
76        isoDates = [
77            ['YYYYYY-MM-DD', /[+-]\d{6}-\d{2}-\d{2}/],
78            ['YYYY-MM-DD', /\d{4}-\d{2}-\d{2}/],
79            ['GGGG-[W]WW-E', /\d{4}-W\d{2}-\d/],
80            ['GGGG-[W]WW', /\d{4}-W\d{2}/],
81            ['YYYY-DDD', /\d{4}-\d{3}/]
82        ],
83
84        // iso time formats and regexes
85        isoTimes = [
86            ['HH:mm:ss.SSSS', /(T| )\d\d:\d\d:\d\d\.\d+/],
87            ['HH:mm:ss', /(T| )\d\d:\d\d:\d\d/],
88            ['HH:mm', /(T| )\d\d:\d\d/],
89            ['HH', /(T| )\d\d/]
90        ],
91
92        // timezone chunker '+10:00' > ['10', '00'] or '-1530' > ['-15', '30']
93        parseTimezoneChunker = /([\+\-]|\d\d)/gi,
94
95        // getter and setter names
96        proxyGettersAndSetters = 'Date|Hours|Minutes|Seconds|Milliseconds'.split('|'),
97        unitMillisecondFactors = {
98            'Milliseconds' : 1,
99            'Seconds' : 1e3,
100            'Minutes' : 6e4,
101            'Hours' : 36e5,
102            'Days' : 864e5,
103            'Months' : 2592e6,
104            'Years' : 31536e6
105        },
106
107        unitAliases = {
108            ms : 'millisecond',
109            s : 'second',
110            m : 'minute',
111            h : 'hour',
112            d : 'day',
113            D : 'date',
114            w : 'week',
115            W : 'isoWeek',
116            M : 'month',
117            Q : 'quarter',
118            y : 'year',
119            DDD : 'dayOfYear',
120            e : 'weekday',
121            E : 'isoWeekday',
122            gg: 'weekYear',
123            GG: 'isoWeekYear'
124        },
125
126        camelFunctions = {
127            dayofyear : 'dayOfYear',
128            isoweekday : 'isoWeekday',
129            isoweek : 'isoWeek',
130            weekyear : 'weekYear',
131            isoweekyear : 'isoWeekYear'
132        },
133
134        // format function strings
135        formatFunctions = {},
136
137        // default relative time thresholds
138        relativeTimeThresholds = {
139            s: 45,  // seconds to minute
140            m: 45,  // minutes to hour
141            h: 22,  // hours to day
142            d: 26,  // days to month
143            M: 11   // months to year
144        },
145
146        // tokens to ordinalize and pad
147        ordinalizeTokens = 'DDD w W M D d'.split(' '),
148        paddedTokens = 'M D H h m s w W'.split(' '),
149
150        formatTokenFunctions = {
151            M    : function () {
152                return this.month() + 1;
153            },
154            MMM  : function (format) {
155                return this.localeData().monthsShort(this, format);
156            },
157            MMMM : function (format) {
158                return this.localeData().months(this, format);
159            },
160            D    : function () {
161                return this.date();
162            },
163            DDD  : function () {
164                return this.dayOfYear();
165            },
166            d    : function () {
167                return this.day();
168            },
169            dd   : function (format) {
170                return this.localeData().weekdaysMin(this, format);
171            },
172            ddd  : function (format) {
173                return this.localeData().weekdaysShort(this, format);
174            },
175            dddd : function (format) {
176                return this.localeData().weekdays(this, format);
177            },
178            w    : function () {
179                return this.week();
180            },
181            W    : function () {
182                return this.isoWeek();
183            },
184            YY   : function () {
185                return leftZeroFill(this.year() % 100, 2);
186            },
187            YYYY : function () {
188                return leftZeroFill(this.year(), 4);
189            },
190            YYYYY : function () {
191                return leftZeroFill(this.year(), 5);
192            },
193            YYYYYY : function () {
194                var y = this.year(), sign = y >= 0 ? '+' : '-';
195                return sign + leftZeroFill(Math.abs(y), 6);
196            },
197            gg   : function () {
198                return leftZeroFill(this.weekYear() % 100, 2);
199            },
200            gggg : function () {
201                return leftZeroFill(this.weekYear(), 4);
202            },
203            ggggg : function () {
204                return leftZeroFill(this.weekYear(), 5);
205            },
206            GG   : function () {
207                return leftZeroFill(this.isoWeekYear() % 100, 2);
208            },
209            GGGG : function () {
210                return leftZeroFill(this.isoWeekYear(), 4);
211            },
212            GGGGG : function () {
213                return leftZeroFill(this.isoWeekYear(), 5);
214            },
215            e : function () {
216                return this.weekday();
217            },
218            E : function () {
219                return this.isoWeekday();
220            },
221            a    : function () {
222                return this.localeData().meridiem(this.hours(), this.minutes(), true);
223            },
224            A    : function () {
225                return this.localeData().meridiem(this.hours(), this.minutes(), false);
226            },
227            H    : function () {
228                return this.hours();
229            },
230            h    : function () {
231                return this.hours() % 12 || 12;
232            },
233            m    : function () {
234                return this.minutes();
235            },
236            s    : function () {
237                return this.seconds();
238            },
239            S    : function () {
240                return toInt(this.milliseconds() / 100);
241            },
242            SS   : function () {
243                return leftZeroFill(toInt(this.milliseconds() / 10), 2);
244            },
245            SSS  : function () {
246                return leftZeroFill(this.milliseconds(), 3);
247            },
248            SSSS : function () {
249                return leftZeroFill(this.milliseconds(), 3);
250            },
251            Z    : function () {
252                var a = -this.zone(),
253                    b = '+';
254                if (a < 0) {
255                    a = -a;
256                    b = '-';
257                }
258                return b + leftZeroFill(toInt(a / 60), 2) + ':' + leftZeroFill(toInt(a) % 60, 2);
259            },
260            ZZ   : function () {
261                var a = -this.zone(),
262                    b = '+';
263                if (a < 0) {
264                    a = -a;
265                    b = '-';
266                }
267                return b + leftZeroFill(toInt(a / 60), 2) + leftZeroFill(toInt(a) % 60, 2);
268            },
269            z : function () {
270                return this.zoneAbbr();
271            },
272            zz : function () {
273                return this.zoneName();
274            },
275            X    : function () {
276                return this.unix();
277            },
278            Q : function () {
279                return this.quarter();
280            }
281        },
282
283        deprecations = {},
284
285        lists = ['months', 'monthsShort', 'weekdays', 'weekdaysShort', 'weekdaysMin'];
286
287    // Pick the first defined of two or three arguments. dfl comes from
288    // default.
289    function dfl(a, b, c) {
290        switch (arguments.length) {
291            case 2: return a != null ? a : b;
292            case 3: return a != null ? a : b != null ? b : c;
293            default: throw new Error('Implement me');
294        }
295    }
296
297    function hasOwnProp(a, b) {
298        return hasOwnProperty.call(a, b);
299    }
300
301    function defaultParsingFlags() {
302        // We need to deep clone this object, and es5 standard is not very
303        // helpful.
304        return {
305            empty : false,
306            unusedTokens : [],
307            unusedInput : [],
308            overflow : -2,
309            charsLeftOver : 0,
310            nullInput : false,
311            invalidMonth : null,
312            invalidFormat : false,
313            userInvalidated : false,
314            iso: false
315        };
316    }
317
318    function printMsg(msg) {
319        if (moment.suppressDeprecationWarnings === false &&
320                typeof console !== 'undefined' && console.warn) {
321            console.warn('Deprecation warning: ' + msg);
322        }
323    }
324
325    function deprecate(msg, fn) {
326        var firstTime = true;
327        return extend(function () {
328            if (firstTime) {
329                printMsg(msg);
330                firstTime = false;
331            }
332            return fn.apply(this, arguments);
333        }, fn);
334    }
335
336    function deprecateSimple(name, msg) {
337        if (!deprecations[name]) {
338            printMsg(msg);
339            deprecations[name] = true;
340        }
341    }
342
343    function padToken(func, count) {
344        return function (a) {
345            return leftZeroFill(func.call(this, a), count);
346        };
347    }
348    function ordinalizeToken(func, period) {
349        return function (a) {
350            return this.localeData().ordinal(func.call(this, a), period);
351        };
352    }
353
354    while (ordinalizeTokens.length) {
355        i = ordinalizeTokens.pop();
356        formatTokenFunctions[i + 'o'] = ordinalizeToken(formatTokenFunctions[i], i);
357    }
358    while (paddedTokens.length) {
359        i = paddedTokens.pop();
360        formatTokenFunctions[i + i] = padToken(formatTokenFunctions[i], 2);
361    }
362    formatTokenFunctions.DDDD = padToken(formatTokenFunctions.DDD, 3);
363
364
365    /************************************
366        Constructors
367    ************************************/
368
369    function Locale() {
370    }
371
372    // Moment prototype object
373    function Moment(config, skipOverflow) {
374        if (skipOverflow !== false) {
375            checkOverflow(config);
376        }
377        copyConfig(this, config);
378        this._d = new Date(+config._d);
379    }
380
381    // Duration Constructor
382    function Duration(duration) {
383        var normalizedInput = normalizeObjectUnits(duration),
384            years = normalizedInput.year || 0,
385            quarters = normalizedInput.quarter || 0,
386            months = normalizedInput.month || 0,
387            weeks = normalizedInput.week || 0,
388            days = normalizedInput.day || 0,
389            hours = normalizedInput.hour || 0,
390            minutes = normalizedInput.minute || 0,
391            seconds = normalizedInput.second || 0,
392            milliseconds = normalizedInput.millisecond || 0;
393
394        // representation for dateAddRemove
395        this._milliseconds = +milliseconds +
396            seconds * 1e3 + // 1000
397            minutes * 6e4 + // 1000 * 60
398            hours * 36e5; // 1000 * 60 * 60
399        // Because of dateAddRemove treats 24 hours as different from a
400        // day when working around DST, we need to store them separately
401        this._days = +days +
402            weeks * 7;
403        // It is impossible translate months into days without knowing
404        // which months you are are talking about, so we have to store
405        // it separately.
406        this._months = +months +
407            quarters * 3 +
408            years * 12;
409
410        this._data = {};
411
412        this._locale = moment.localeData();
413
414        this._bubble();
415    }
416
417    /************************************
418        Helpers
419    ************************************/
420
421
422    function extend(a, b) {
423        for (var i in b) {
424            if (hasOwnProp(b, i)) {
425                a[i] = b[i];
426            }
427        }
428
429        if (hasOwnProp(b, 'toString')) {
430            a.toString = b.toString;
431        }
432
433        if (hasOwnProp(b, 'valueOf')) {
434            a.valueOf = b.valueOf;
435        }
436
437        return a;
438    }
439
440    function copyConfig(to, from) {
441        var i, prop, val;
442
443        if (typeof from._isAMomentObject !== 'undefined') {
444            to._isAMomentObject = from._isAMomentObject;
445        }
446        if (typeof from._i !== 'undefined') {
447            to._i = from._i;
448        }
449        if (typeof from._f !== 'undefined') {
450            to._f = from._f;
451        }
452        if (typeof from._l !== 'undefined') {
453            to._l = from._l;
454        }
455        if (typeof from._strict !== 'undefined') {
456            to._strict = from._strict;
457        }
458        if (typeof from._tzm !== 'undefined') {
459            to._tzm = from._tzm;
460        }
461        if (typeof from._isUTC !== 'undefined') {
462            to._isUTC = from._isUTC;
463        }
464        if (typeof from._offset !== 'undefined') {
465            to._offset = from._offset;
466        }
467        if (typeof from._pf !== 'undefined') {
468            to._pf = from._pf;
469        }
470        if (typeof from._locale !== 'undefined') {
471            to._locale = from._locale;
472        }
473
474        if (momentProperties.length > 0) {
475            for (i in momentProperties) {
476                prop = momentProperties[i];
477                val = from[prop];
478                if (typeof val !== 'undefined') {
479                    to[prop] = val;
480                }
481            }
482        }
483
484        return to;
485    }
486
487    function absRound(number) {
488        if (number < 0) {
489            return Math.ceil(number);
490        } else {
491            return Math.floor(number);
492        }
493    }
494
495    // left zero fill a number
496    // see http://jsperf.com/left-zero-filling for performance comparison
497    function leftZeroFill(number, targetLength, forceSign) {
498        var output = '' + Math.abs(number),
499            sign = number >= 0;
500
501        while (output.length < targetLength) {
502            output = '0' + output;
503        }
504        return (sign ? (forceSign ? '+' : '') : '-') + output;
505    }
506
507    function positiveMomentsDifference(base, other) {
508        var res = {milliseconds: 0, months: 0};
509
510        res.months = other.month() - base.month() +
511            (other.year() - base.year()) * 12;
512        if (base.clone().add(res.months, 'M').isAfter(other)) {
513            --res.months;
514        }
515
516        res.milliseconds = +other - +(base.clone().add(res.months, 'M'));
517
518        return res;
519    }
520
521    function momentsDifference(base, other) {
522        var res;
523        other = makeAs(other, base);
524        if (base.isBefore(other)) {
525            res = positiveMomentsDifference(base, other);
526        } else {
527            res = positiveMomentsDifference(other, base);
528            res.milliseconds = -res.milliseconds;
529            res.months = -res.months;
530        }
531
532        return res;
533    }
534
535    // TODO: remove 'name' arg after deprecation is removed
536    function createAdder(direction, name) {
537        return function (val, period) {
538            var dur, tmp;
539            //invert the arguments, but complain about it
540            if (period !== null && !isNaN(+period)) {
541                deprecateSimple(name, 'moment().' + name  + '(period, number) is deprecated. Please use moment().' + name + '(number, period).');
542                tmp = val; val = period; period = tmp;
543            }
544
545            val = typeof val === 'string' ? +val : val;
546            dur = moment.duration(val, period);
547            addOrSubtractDurationFromMoment(this, dur, direction);
548            return this;
549        };
550    }
551
552    function addOrSubtractDurationFromMoment(mom, duration, isAdding, updateOffset) {
553        var milliseconds = duration._milliseconds,
554            days = duration._days,
555            months = duration._months;
556        updateOffset = updateOffset == null ? true : updateOffset;
557
558        if (milliseconds) {
559            mom._d.setTime(+mom._d + milliseconds * isAdding);
560        }
561        if (days) {
562            rawSetter(mom, 'Date', rawGetter(mom, 'Date') + days * isAdding);
563        }
564        if (months) {
565            rawMonthSetter(mom, rawGetter(mom, 'Month') + months * isAdding);
566        }
567        if (updateOffset) {
568            moment.updateOffset(mom, days || months);
569        }
570    }
571
572    // check if is an array
573    function isArray(input) {
574        return Object.prototype.toString.call(input) === '[object Array]';
575    }
576
577    function isDate(input) {
578        return Object.prototype.toString.call(input) === '[object Date]' ||
579            input instanceof Date;
580    }
581
582    // compare two arrays, return the number of differences
583    function compareArrays(array1, array2, dontConvert) {
584        var len = Math.min(array1.length, array2.length),
585            lengthDiff = Math.abs(array1.length - array2.length),
586            diffs = 0,
587            i;
588        for (i = 0; i < len; i++) {
589            if ((dontConvert && array1[i] !== array2[i]) ||
590                (!dontConvert && toInt(array1[i]) !== toInt(array2[i]))) {
591                diffs++;
592            }
593        }
594        return diffs + lengthDiff;
595    }
596
597    function normalizeUnits(units) {
598        if (units) {
599            var lowered = units.toLowerCase().replace(/(.)s$/, '$1');
600            units = unitAliases[units] || camelFunctions[lowered] || lowered;
601        }
602        return units;
603    }
604
605    function normalizeObjectUnits(inputObject) {
606        var normalizedInput = {},
607            normalizedProp,
608            prop;
609
610        for (prop in inputObject) {
611            if (hasOwnProp(inputObject, prop)) {
612                normalizedProp = normalizeUnits(prop);
613                if (normalizedProp) {
614                    normalizedInput[normalizedProp] = inputObject[prop];
615                }
616            }
617        }
618
619        return normalizedInput;
620    }
621
622    function makeList(field) {
623        var count, setter;
624
625        if (field.indexOf('week') === 0) {
626            count = 7;
627            setter = 'day';
628        }
629        else if (field.indexOf('month') === 0) {
630            count = 12;
631            setter = 'month';
632        }
633        else {
634            return;
635        }
636
637        moment[field] = function (format, index) {
638            var i, getter,
639                method = moment._locale[field],
640                results = [];
641
642            if (typeof format === 'number') {
643                index = format;
644                format = undefined;
645            }
646
647            getter = function (i) {
648                var m = moment().utc().set(setter, i);
649                return method.call(moment._locale, m, format || '');
650            };
651
652            if (index != null) {
653                return getter(index);
654            }
655            else {
656                for (i = 0; i < count; i++) {
657                    results.push(getter(i));
658                }
659                return results;
660            }
661        };
662    }
663
664    function toInt(argumentForCoercion) {
665        var coercedNumber = +argumentForCoercion,
666            value = 0;
667
668        if (coercedNumber !== 0 && isFinite(coercedNumber)) {
669            if (coercedNumber >= 0) {
670                value = Math.floor(coercedNumber);
671            } else {
672                value = Math.ceil(coercedNumber);
673            }
674        }
675
676        return value;
677    }
678
679    function daysInMonth(year, month) {
680        return new Date(Date.UTC(year, month + 1, 0)).getUTCDate();
681    }
682
683    function weeksInYear(year, dow, doy) {
684        return weekOfYear(moment([year, 11, 31 + dow - doy]), dow, doy).week;
685    }
686
687    function daysInYear(year) {
688        return isLeapYear(year) ? 366 : 365;
689    }
690
691    function isLeapYear(year) {
692        return (year % 4 === 0 && year % 100 !== 0) || year % 400 === 0;
693    }
694
695    function checkOverflow(m) {
696        var overflow;
697        if (m._a && m._pf.overflow === -2) {
698            overflow =
699                m._a[MONTH] < 0 || m._a[MONTH] > 11 ? MONTH :
700                m._a[DATE] < 1 || m._a[DATE] > daysInMonth(m._a[YEAR], m._a[MONTH]) ? DATE :
701                m._a[HOUR] < 0 || m._a[HOUR] > 23 ? HOUR :
702                m._a[MINUTE] < 0 || m._a[MINUTE] > 59 ? MINUTE :
703                m._a[SECOND] < 0 || m._a[SECOND] > 59 ? SECOND :
704                m._a[MILLISECOND] < 0 || m._a[MILLISECOND] > 999 ? MILLISECOND :
705                -1;
706
707            if (m._pf._overflowDayOfYear && (overflow < YEAR || overflow > DATE)) {
708                overflow = DATE;
709            }
710
711            m._pf.overflow = overflow;
712        }
713    }
714
715    function isValid(m) {
716        if (m._isValid == null) {
717            m._isValid = !isNaN(m._d.getTime()) &&
718                m._pf.overflow < 0 &&
719                !m._pf.empty &&
720                !m._pf.invalidMonth &&
721                !m._pf.nullInput &&
722                !m._pf.invalidFormat &&
723                !m._pf.userInvalidated;
724
725            if (m._strict) {
726                m._isValid = m._isValid &&
727                    m._pf.charsLeftOver === 0 &&
728                    m._pf.unusedTokens.length === 0;
729            }
730        }
731        return m._isValid;
732    }
733
734    function normalizeLocale(key) {
735        return key ? key.toLowerCase().replace('_', '-') : key;
736    }
737
738    // pick the locale from the array
739    // try ['en-au', 'en-gb'] as 'en-au', 'en-gb', 'en', as in move through the list trying each
740    // substring from most specific to least, but move to the next array item if it's a more specific variant than the current root
741    function chooseLocale(names) {
742        var i = 0, j, next, locale, split;
743
744        while (i < names.length) {
745            split = normalizeLocale(names[i]).split('-');
746            j = split.length;
747            next = normalizeLocale(names[i + 1]);
748            next = next ? next.split('-') : null;
749            while (j > 0) {
750                locale = loadLocale(split.slice(0, j).join('-'));
751                if (locale) {
752                    return locale;
753                }
754                if (next && next.length >= j && compareArrays(split, next, true) >= j - 1) {
755                    //the next array item is better than a shallower substring of this one
756                    break;
757                }
758                j--;
759            }
760            i++;
761        }
762        return null;
763    }
764
765    function loadLocale(name) {
766        var oldLocale = null;
767        if (!locales[name] && hasModule) {
768            try {
769                oldLocale = moment.locale();
770                require('./locale/' + name);
771                // because defineLocale currently also sets the global locale, we want to undo that for lazy loaded locales
772                moment.locale(oldLocale);
773            } catch (e) { }
774        }
775        return locales[name];
776    }
777
778    // Return a moment from input, that is local/utc/zone equivalent to model.
779    function makeAs(input, model) {
780        return model._isUTC ? moment(input).zone(model._offset || 0) :
781            moment(input).local();
782    }
783
784    /************************************
785        Locale
786    ************************************/
787
788
789    extend(Locale.prototype, {
790
791        set : function (config) {
792            var prop, i;
793            for (i in config) {
794                prop = config[i];
795                if (typeof prop === 'function') {
796                    this[i] = prop;
797                } else {
798                    this['_' + i] = prop;
799                }
800            }
801        },
802
803        _months : 'January_February_March_April_May_June_July_August_September_October_November_December'.split('_'),
804        months : function (m) {
805            return this._months[m.month()];
806        },
807
808        _monthsShort : 'Jan_Feb_Mar_Apr_May_Jun_Jul_Aug_Sep_Oct_Nov_Dec'.split('_'),
809        monthsShort : function (m) {
810            return this._monthsShort[m.month()];
811        },
812
813        monthsParse : function (monthName) {
814            var i, mom, regex;
815
816            if (!this._monthsParse) {
817                this._monthsParse = [];
818            }
819
820            for (i = 0; i < 12; i++) {
821                // make the regex if we don't have it already
822                if (!this._monthsParse[i]) {
823                    mom = moment.utc([2000, i]);
824                    regex = '^' + this.months(mom, '') + '|^' + this.monthsShort(mom, '');
825                    this._monthsParse[i] = new RegExp(regex.replace('.', ''), 'i');
826                }
827                // test the regex
828                if (this._monthsParse[i].test(monthName)) {
829                    return i;
830                }
831            }
832        },
833
834        _weekdays : 'Sunday_Monday_Tuesday_Wednesday_Thursday_Friday_Saturday'.split('_'),
835        weekdays : function (m) {
836            return this._weekdays[m.day()];
837        },
838
839        _weekdaysShort : 'Sun_Mon_Tue_Wed_Thu_Fri_Sat'.split('_'),
840        weekdaysShort : function (m) {
841            return this._weekdaysShort[m.day()];
842        },
843
844        _weekdaysMin : 'Su_Mo_Tu_We_Th_Fr_Sa'.split('_'),
845        weekdaysMin : function (m) {
846            return this._weekdaysMin[m.day()];
847        },
848
849        weekdaysParse : function (weekdayName) {
850            var i, mom, regex;
851
852            if (!this._weekdaysParse) {
853                this._weekdaysParse = [];
854            }
855
856            for (i = 0; i < 7; i++) {
857                // make the regex if we don't have it already
858                if (!this._weekdaysParse[i]) {
859                    mom = moment([2000, 1]).day(i);
860                    regex = '^' + this.weekdays(mom, '') + '|^' + this.weekdaysShort(mom, '') + '|^' + this.weekdaysMin(mom, '');
861                    this._weekdaysParse[i] = new RegExp(regex.replace('.', ''), 'i');
862                }
863                // test the regex
864                if (this._weekdaysParse[i].test(weekdayName)) {
865                    return i;
866                }
867            }
868        },
869
870        _longDateFormat : {
871            LT : 'h:mm A',
872            L : 'MM/DD/YYYY',
873            LL : 'MMMM D, YYYY',
874            LLL : 'MMMM D, YYYY LT',
875            LLLL : 'dddd, MMMM D, YYYY LT'
876        },
877        longDateFormat : function (key) {
878            var output = this._longDateFormat[key];
879            if (!output && this._longDateFormat[key.toUpperCase()]) {
880                output = this._longDateFormat[key.toUpperCase()].replace(/MMMM|MM|DD|dddd/g, function (val) {
881                    return val.slice(1);
882                });
883                this._longDateFormat[key] = output;
884            }
885            return output;
886        },
887
888        isPM : function (input) {
889            // IE8 Quirks Mode & IE7 Standards Mode do not allow accessing str
889ings like arrays
890            // Using charAt should be more compatible.
891            return ((input + '').toLowerCase().charAt(0) === 'p');
892        },
893
894        _meridiemParse : /[ap]\.?m?\.?/i,
895        meridiem : function (hours, minutes, isLower) {
896            if (hours > 11) {
897                return isLower ? 'pm' : 'PM';
898            } else {
899                return isLower ? 'am' : 'AM';
900            }
901        },
902
903        _calendar : {
904            sameDay : '[Today at] LT',
905            nextDay : '[Tomorrow at] LT',
906            nextWeek : 'dddd [at] LT',
907            lastDay : '[Yesterday at] LT',
908            lastWeek : '[Last] dddd [at] LT',
909            sameElse : 'L'
910        },
911        calendar : function (key, mom) {
912            var output = this._calendar[key];
913            return typeof output === 'function' ? output.apply(mom) : output;
914        },
915
916        _relativeTime : {
917            future : 'in %s',
918            past : '%s ago',
919            s : 'a few seconds',
920            m : 'a minute',
921            mm : '%d minutes',
922            h : 'an hour',
923            hh : '%d hours',
924            d : 'a day',
925            dd : '%d days',
926            M : 'a month',
927            MM : '%d months',
928            y : 'a year',
929            yy : '%d years'
930        },
931
932        relativeTime : function (number, withoutSuffix, string, isFuture) {
933            var output = this._relativeTime[string];
934            return (typeof output === 'function') ?
935                output(number, withoutSuffix, string, isFuture) :
936                output.replace(/%d/i, number);
937        },
938
939        pastFuture : function (diff, output) {
940            var format = this._relativeTime[diff > 0 ? 'future' : 'past'];
941            return typeof format === 'function' ? format(output) : format.replace(/%s/i, output);
942        },
943
944        ordinal : function (number) {
945            return this._ordinal.replace('%d', number);
946        },
947        _ordinal : '%d',
948
949        preparse : function (string) {
950            return string;
951        },
952
953        postformat : function (string) {
954            return string;
955        },
956
957        week : function (mom) {
958            return weekOfYear(mom, this._week.dow, this._week.doy).week;
959        },
960
961        _week : {
962            dow : 0, // Sunday is the first day of the week.
963            doy : 6  // The week that contains Jan 1st is the first week of the year.
964        },
965
966        _invalidDate: 'Invalid date',
967        invalidDate: function () {
968            return this._invalidDate;
969        }
970    });
971
972    /************************************
973        Formatting
974    ************************************/
975
976
977    function removeFormattingTokens(input) {
978        if (input.match(/\[[\s\S]/)) {
979            return input.replace(/^\[|\]$/g, '');
980        }
981        return input.replace(/\\/g, '');
982    }
983
984    function makeFormatFunction(format) {
985        var array = format.match(formattingTokens), i, length;
986
987        for (i = 0, length = array.length; i < length; i++) {
988            if (formatTokenFunctions[array[i]]) {
989                array[i] = formatTokenFunctions[array[i]];
990            } else {
991                array[i] = removeFormattingTokens(array[i]);
992            }
993        }
994
995        return function (mom) {
996            var output = '';
997            for (i = 0; i < length; i++) {
998                output += array[i] instanceof Function ? array[i].call(mom, format) : array[i];
999            }
1000            return output;
1001        };
1002    }
1003
1004    // format date using native date object
1005    function formatMoment(m, format) {
1006        if (!m.isValid()) {
1007            return m.localeData().invalidDate();
1008        }
1009
1010        format = expandFormat(format, m.localeData());
1011
1012        if (!formatFunctions[format]) {
1013            formatFunctions[format] = makeFormatFunction(format);
1014        }
1015
1016        return formatFunctions[format](m);
1017    }
1018
1019    function expandFormat(format, locale) {
1020        var i = 5;
1021
1022        function replaceLongDateFormatTokens(input) {
1023            return locale.longDateFormat(input) || input;
1024        }
1025
1026        localFormattingTokens.lastIndex = 0;
1027        while (i >= 0 && localFormattingTokens.test(format)) {
1028            format = format.replace(localFormattingTokens, replaceLongDateFormatTokens);
1029            localFormattingTokens.lastIndex = 0;
1030            i -= 1;
1031        }
1032
1033        return format;
1034    }
1035
1036
1037    /************************************
1038        Parsing
1039    ************************************/
1040
1041
1042    // get the regex to find the next token
1043    function getParseRegexForToken(token, config) {
1044        var a, strict = config._strict;
1045        switch (token) {
1046        case 'Q':
1047            return parseTokenOneDigit;
1048        case 'DDDD':
1049            return parseTokenThreeDigits;
1050        case 'YYYY':
1051        case 'GGGG':
1052        case 'gggg':
1053            return strict ? parseTokenFourDigits : parseTokenOneToFourDigits;
1054        case 'Y':
1055        case 'G':
1056        case 'g':
1057            return parseTokenSignedNumber;
1058        case 'YYYYYY':
1059        case 'YYYYY':
1060        case 'GGGGG':
1061        case 'ggggg':
1062            return strict ? parseTokenSixDigits : parseTokenOneToSixDigits;
1063        case 'S':
1064            if (strict) {
1065                return parseTokenOneDigit;
1066            }
1067            /* falls through */
1068        case 'SS':
1069            if (strict) {
1070                return parseTokenTwoDigits;
1071            }
1072            /* falls through */
1073        case 'SSS':
1074            if (strict) {
1075                return parseTokenThreeDigits;
1076            }
1077            /* falls through */
1078        case 'DDD':
1079            return parseTokenOneToThreeDigits;
1080        case 'MMM':
1081        case 'MMMM':
1082        case 'dd':
1083        case 'ddd':
1084        case 'dddd':
1085            return parseTokenWord;
1086        case 'a':
1087        case 'A':
1088            return config._locale._meridiemParse;
1089        case 'X':
1090            return parseTokenTimestampMs;
1091        case 'Z':
1092        case 'ZZ':
1093            return parseTokenTimezone;
1094        case 'T':
1095            return parseTokenT;
1096        case 'SSSS':
1097            return parseTokenDigits;
1098        case 'MM':
1099        case 'DD':
1100        case 'YY':
1101        case 'GG':
1102        case 'gg':
1103        case 'HH':
1104        case 'hh':
1105        case 'mm':
1106        case 'ss':
1107        case 'ww':
1108        case 'WW':
1109            return strict ? parseTokenTwoDigits : parseTokenOneOrTwoDigits;
1110        case 'M':
1111        case 'D':
1112        case 'd':
1113        case 'H':
1114        case 'h':
1115        case 'm':
1116        case 's':
1117        case 'w':
1118        case 'W':
1119        case 'e':
1120        case 'E':
1121            return parseTokenOneOrTwoDigits;
1122        case 'Do':
1123            return parseTokenOrdinal;
1124        default :
1125            a = new RegExp(regexpEscape(unescapeFormat(token.replace('\\', '')), 'i'));
1126            return a;
1127        }
1128    }
1129
1130    function timezoneMinutesFromString(string) {
1131        string = string || '';
1132        var possibleTzMatches = (string.match(parseTokenTimezone) || []),
1133            tzChunk = possibleTzMatches[possibleTzMatches.length - 1] || [],
1134            parts = (tzChunk + '').match(parseTimezoneChunker) || ['-', 0, 0],
1135            minutes = +(parts[1] * 60) + toInt(parts[2]);
1136
1137        return parts[0] === '+' ? -minutes : minutes;
1138    }
1139
1140    // function to convert string input to date
1141    function addTimeToArrayFromToken(token, input, config) {
1142        var a, datePartArray = config._a;
1143
1144        switch (token) {
1145        // QUARTER
1146        case 'Q':
1147            if (input != null) {
1148                datePartArray[MONTH] = (toInt(input) - 1) * 3;
1149            }
1150            break;
1151        // MONTH
1152        case 'M' : // fall through to MM
1153        case 'MM' :
1154            if (input != null) {
1155                datePartArray[MONTH] = toInt(input) - 1;
1156            }
1157            break;
1158        case 'MMM' : // fall through to MMMM
1159        case 'MMMM' :
1160            a = config._locale.monthsParse(input);
1161            // if we didn't find a month name, mark the date as invalid.
1162            if (a != null) {
1163                datePartArray[MONTH] = a;
1164            } else {
1165                config._pf.invalidMonth = input;
1166            }
1167            break;
1168        // DAY OF MONTH
1169        case 'D' : // fall through to DD
1170        case 'DD' :
1171            if (input != null) {
1172                datePartArray[DATE] = toInt(input);
1173            }
1174            break;
1175        case 'Do' :
1176            if (input != null) {
1177                datePartArray[DATE] = toInt(parseInt(input, 10));
1178            }
1179            break;
1180        // DAY OF YEAR
1181        case 'DDD' : // fall through to DDDD
1182        case 'DDDD' :
1183            if (input != null) {
1184                config._dayOfYear = toInt(input);
1185            }
1186
1187            break;
1188        // YEAR
1189        case 'YY' :
1190            datePartArray[YEAR] = moment.parseTwoDigitYear(input);
1191            break;
1192        case 'YYYY' :
1193        case 'YYYYY' :
1194        case 'YYYYYY' :
1195            datePartArray[YEAR] = toInt(input);
1196            break;
1197        // AM / PM
1198        case 'a' : // fall through to A
1199        case 'A' :
1200            config._isPm = config._locale.isPM(input);
1201            break;
1202        // 24 HOUR
1203        case 'H' : // fall through to hh
1204        case 'HH' : // fall through to hh
1205        case 'h' : // fall through to hh
1206        case 'hh' :
1207            datePartArray[HOUR] = toInt(input);
1208            break;
1209        // MINUTE
1210        case 'm' : // fall through to mm
1211        case 'mm' :
1212            datePartArray[MINUTE] = toInt(input);
1213            break;
1214        // SECOND
1215        case 's' : // fall through to ss
1216        case 'ss' :
1217            datePartArray[SECOND] = toInt(input);
1218            break;
1219        // MILLISECOND
1220        case 'S' :
1221        case 'SS' :
1222        case 'SSS' :
1223        case 'SSSS' :
1224            datePartArray[MILLISECOND] = toInt(('0.' + input) * 1000);
1225            break;
1226        // UNIX TIMESTAMP WITH MS
1227        case 'X':
1228            config._d = new Date(parseFloat(input) * 1000);
1229            break;
1230        // TIMEZONE
1231        case 'Z' : // fall through to ZZ
1232        case 'ZZ' :
1233            config._useUTC = true;
1234            config._tzm = timezoneMinutesFromString(input);
1235            break;
1236        // WEEKDAY - human
1237        case 'dd':
1238        case 'ddd':
1239        case 'dddd':
1240            a = config._locale.weekdaysParse(input);
1241            // if we didn't get a weekday name, mark the date as invalid
1242            if (a != null) {
1243                config._w = config._w || {};
1244                config._w['d'] = a;
1245            } else {
1246                config._pf.invalidWeekday = input;
1247            }
1248            break;
1249        // WEEK, WEEK DAY - numeric
1250        case 'w':
1251        case 'ww':
1252        case 'W':
1253        case 'WW':
1254        case 'd':
1255        case 'e':
1256        case 'E':
1257            token = token.substr(0, 1);
1258            /* falls through */
1259        case 'gggg':
1260        case 'GGGG':
1261        case 'GGGGG':
1262            token = token.substr(0, 2);
1263            if (input) {
1264                config._w = config._w || {};
1265                config._w[token] = toInt(input);
1266            }
1267            break;
1268        case 'gg':
1269        case 'GG':
1270            config._w = config._w || {};
1271            config._w[token] = moment.parseTwoDigitYear(input);
1272        }
1273    }
1274
1275    function dayOfYearFromWeekInfo(config) {
1276        var w, weekYear, week, weekday, dow, doy, temp;
1277
1278        w = config._w;
1279        if (w.GG != null || w.W != null || w.E != null) {
1280            dow = 1;
1281            doy = 4;
1282
1283            // TODO: We need to take the current isoWeekYear, but that depends on
1284            // how we interpret now (local, utc, fixed offset). So create
1285            // a now version of current config (take local/utc/offset flags, and
1286            // create now).
1287            weekYear = dfl(w.GG, config._a[YEAR], weekOfYear(moment(), 1, 4).year);
1288            week = dfl(w.W, 1);
1289            weekday = dfl(w.E, 1);
1290        } else {
1291            dow = config._locale._week.dow;
1292            doy = config._locale._week.doy;
1293
1294            weekYear = dfl(w.gg, config._a[YEAR], weekOfYear(moment(), dow, doy).year);
1295            week = dfl(w.w, 1);
1296
1297            if (w.d != null) {
1298                // weekday -- low day numbers are considered next week
1299                weekday = w.d;
1300                if (weekday < dow) {
1301                    ++week;
1302                }
1303            } else if (w.e != null) {
1304                // local weekday -- counting starts from begining of week
1305                weekday = w.e + dow;
1306            } else {
1307                // default to begining of week
1308                weekday = dow;
1309            }
1310        }
1311        temp = dayOfYearFromWeeks(weekYear, week, weekday, doy, dow);
1312
1313        config._a[YEAR] = temp.year;
1314        config._dayOfYear = temp.dayOfYear;
1315    }
1316
1317    // convert an array to a date.
1318    // the array should mirror the parameters below
1319    // note: all values past the year are optional and will default to the lowest possible value.
1320    // [year, month, day , hour, minute, second, millisecond]
1321    function dateFromConfig(config) {
1322        var i, date, input = [], currentDate, yearToUse;
1323
1324        if (config._d) {
1325            return;
1326        }
1327
1328        currentDate = currentDateArray(config);
1329
1330        //compute day of the year from weeks and weekdays
1331        if (config._w && config._a[DATE] == null && config._a[MONTH] == null) {
1332            dayOfYearFromWeekInfo(config);
1333        }
1334
1335        //if the day of the year is set, figure out what it is
1336        if (config._dayOfYear) {
1337            yearToUse = dfl(config._a[YEAR], currentDate[YEAR]);
1338
1339            if (config._dayOfYear > daysInYear(yearToUse)) {
1340                config._pf._overflowDayOfYear = true;
1341            }
1342
1343            date = makeUTCDate(yearToUse, 0, config._dayOfYear);
1344            config._a[MONTH] = date.getUTCMonth();
1345            config._a[DATE] = date.getUTCDate();
1346        }
1347
1348        // Default to current date.
1349        // * if no year, month, day of month are given, default to today
1350        // * if day of month is given, default month and year
1351        // * if month is given, default only year
1352        // * if year is given, don't default anything
1353        for (i = 0; i < 3 && config._a[i] == null; ++i) {
1354            config._a[i] = input[i] = currentDate[i];
1355        }
1356
1357        // Zero out whatever was not defaulted, including time
1358        for (; i < 7; i++) {
1359            config._a[i] = input[i] = (config._a[i] == null) ? (i === 2 ? 1 : 0) : config._a[i];
1360        }
1361
1362        config._d = (config._useUTC ? makeUTCDate : makeDate).apply(null, input);
1363        // Apply timezone offset from input. The actual zone can be changed
1364        // with parseZone.
1365        if (config._tzm != null) {
1366            config._d.setUTCMinutes(config._d.getUTCMinutes() + config._tzm);
1367        }
1368    }
1369
1370    function dateFromObject(config) {
1371        var normalizedInput;
1372
1373        if (config._d) {
1374            return;
1375        }
1376
1377        normalizedInput = normalizeObjectUnits(config._i);
1378        config._a = [
1379            normalizedInput.year,
1380            normalizedInput.month,
1381            normalizedInput.day,
1382            normalizedInput.hour,
1383            normalizedInput.minute,
1384            normalizedInput.second,
1385            normalizedInput.millisecond
1386        ];
1387
1388        dateFromConfig(config);
1389    }
1390
1391    function currentDateArray(config) {
1392        var now = new Date();
1393        if (config._useUTC) {
1394            return [
1395                now.getUTCFullYear(),
1396                now.getUTCMonth(),
1397                now.getUTCDate()
1398            ];
1399        } else {
1400            return [now.getFullYear(), now.getMonth(), now.getDate()];
1401        }
1402    }
1403
1404    // date from string and format string
1405    function makeDateFromStringAndFormat(config) {
1406        if (config._f === moment.ISO_8601) {
1407            parseISO(config);
1408            return;
1409        }
1410
1411        config._a = [];
1412        config._pf.empty = true;
1413
1414        // This array is used to make a Date, either with `new Date` or `Date.UTC`
1415        var string = '' + config._i,
1416            i, parsedInput, tokens, token, skipped,
1417            stringLength = string.length,
1418            totalParsedInputLength = 0;
1419
1420        tokens = expandFormat(config._f, config._locale).match(formattingTokens) || [];
1421
1422        for (i = 0; i < tokens.length; i++) {
1423            token = tokens[i];
1424            parsedInput = (string.match(getParseRegexForToken(token, config)) || [])[0];
1425            if (parsedInput) {
1426                skipped = string.substr(0, string.indexOf(parsedInput));
1427                if (skipped.length > 0) {
1428                    config._pf.unusedInput.push(skipped);
1429                }
1430                string = string.slice(string.indexOf(parsedInput) + parsedInput.length);
1431                totalParsedInputLength += parsedInput.length;
1432            }
1433            // don't parse if it's not a known token
1434            if (formatTokenFunctions[token]) {
1435                if (parsedInput) {
1436                    config._pf.empty = false;
1437                }
1438                else {
1439                    config._pf.unusedTokens.push(token);
1440                }
1441                addTimeToArrayFromToken(token, parsedInput, config);
1442            }
1443            else if (config._strict && !parsedInput) {
1444                config._pf.unusedTokens.push(token);
1445            }
1446        }
1447
1448        // add remaining unparsed input length to the string
1449        config._pf.charsLeftOver = stringLength - totalParsedInputLength;
1450        if (string.length > 0) {
1451            config._pf.unusedInput.push(string);
1452        }
1453
1454        // handle am pm
1455        if (config._isPm && config._a[HOUR] < 12) {
1456            config._a[HOUR] += 12;
1457        }
1458        // if is 12 am, change hours to 0
1459        if (config._isPm === false && config._a[HOUR] === 12) {
1460            config._a[HOUR] = 0;
1461        }
1462
1463        dateFromConfig(config);
1464        checkOverflow(config);
1465    }
1466
1467    function unescapeFormat(s) {
1468        return s.replace(/\\(\[)|\\(\])|\[([^\]\[]*)\]|\\(.)/g, function (matched, p1, p2, p3, p4) {
1469            return p1 || p2 || p3 || p4;
1470        });
1471    }
1472
1473    // Code from http://stackoverflow.com/questions/3561493/is-there-a-regexp-escape-function-in-javascript
1474    function regexpEscape(s) {
1475        return s.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&');
1476    }
1477
1478    // date from string and array of format strings
1479    function makeDateFromStringAndArray(config) {
1480        var tempConfig,
1481            bestMoment,
1482
1483            scoreToBeat,
1484            i,
1485            currentScore;
1486
1487        if (config._f.length === 0) {
1488            config._pf.invalidFormat = true;
1489            config._d = new Date(NaN);
1490            return;
1491        }
1492
1493        for (i = 0; i < config._f.length; i++) {
1494            currentScore = 0;
1495            tempConfig = copyConfig({}, config);
1496            if (config._useUTC != null) {
1497                tempConfig._useUTC = config._useUTC;
1498            }
1499            tempConfig._pf = defaultParsingFlags();
1500            tempConfig._f = config._f[i];
1501            makeDateFromStringAndFormat(tempConfig);
1502
1503            if (!isValid(tempConfig)) {
1504                continue;
1505            }
1506
1507            // if there is any input that was not parsed add a penalty for that format
1508            currentScore += tempConfig._pf.charsLeftOver;
1509
1510            //or tokens
1511            currentScore += tempConfig._pf.unusedTokens.length * 10;
1512
1513            tempConfig._pf.score = currentScore;
1514
1515            if (scoreToBeat == null || currentScore < scoreToBeat) {
1516                scoreToBeat = currentScore;
1517                bestMoment = tempConfig;
1518            }
1519        }
1520
1521        extend(config, bestMoment || tempConfig);
1522    }
1523
1524    // date from iso format
1525    function parseISO(config) {
1526        var i, l,
1527            string = config._i,
1528            match = isoRegex.exec(string);
1529
1530        if (match) {
1531            config._pf.iso = true;
1532            for (i = 0, l = isoDates.length; i < l; i++) {
1533                if (isoDates[i][1].exec(string)) {
1534                    // match[5] should be 'T' or undefined
1535                    config._f = isoDates[i][0] + (match[6] || ' ');
1536                    break;
1537                }
1538            }
1539            for (i = 0, l = isoTimes.length; i < l; i++) {
1540                if (isoTimes[i][1].exec(string)) {
1541                    config._f += isoTimes[i][0];
1542                    break;
1543                }
1544            }
1545            if (string.match(parseTokenTimezone)) {
1546                config._f += 'Z';
1547            }
1548            makeDateFromStringAndFormat(config);
1549        } else {
1550            config._isValid = false;
1551        }
1552    }
1553
1554    // date from iso format or fallback
1555    function makeDateFromString(config) {
1556        parseISO(config);
1557        if (config._isValid === false) {
1558            delete config._isValid;
1559            moment.createFromInputFallback(config);
1560        }
1561    }
1562
1563    function map(arr, fn) {
1564        var res = [], i;
1565        for (i = 0; i < arr.length; ++i) {
1566            res.push(fn(arr[i], i));
1567        }
1568        return res;
1569    }
1570
1571    function makeDateFromInput(config) {
1572        var input = config._i, matched;
1573        if (input === undefined) {
1574            config._d = new Date();
1575        } else if (isDate(input)) {
1576            config._d = new Date(+input);
1577        } else if ((matched = aspNetJsonRegex.exec(input)) !== null) {
1578            config._d = new Date(+matched[1]);
1579        } else if (typeof input === 'string') {
1580            makeDateFromString(config);
1581        } else if (isArray(input)) {
1582            config._a = map(input.slice(0), function (obj) {
1583                return parseInt(obj, 10);
1584            });
1585            dateFromConfig(config);
1586        } else if (typeof(input) === 'object') {
1587            dateFromObject(config);
1588        } else if (typeof(input) === 'number') {
1589            // from milliseconds
1590            config._d = new Date(input);
1591        } else {
1592            moment.createFromInputFallback(config);
1593        }
1594    }
1595
1596    function makeDate(y, m, d, h, M, s, ms) {
1597        //can't just apply() to create a date:
1598        //http://stackoverflow.com/questions/181348/instantiating-a-javascript-object-by-calling-prototype-constructor-apply
1599        var date = new Date(y, m, d, h, M, s, ms);
1600
1601        //the date constructor doesn't accept years < 1970
1602        if (y < 1970) {
1603            date.setFullYear(y);
1604        }
1605        return date;
1606    }
1607
1608    function makeUTCDate(y) {
1609        var date = new Date(Date.UTC.apply(null, arguments));
1610        if (y < 1970) {
1611            date.setUTCFullYear(y);
1612        }
1613        return date;
1614    }
1615
1616    function parseWeekday(input, locale) {
1617        if (typeof input === 'string') {
1618            if (!isNaN(input)) {
1619                input = parseInt(input, 10);
1620            }
1621            else {
1622                input = locale.weekdaysParse(input);
1623                if (typeof input !== 'number') {
1624                    return null;
1625                }
1626            }
1627        }
1628        return input;
1629    }
1630
1631    /************************************
1632        Relative Time
1633    ************************************/
1634
1635
1636    // helper function for moment.fn.from, moment.fn.fromNow, and moment.duration.fn.humanize
1637    function substituteTimeAgo(string, number, withoutSuffix, isFuture, locale) {
1638        return locale.relativeTime(number || 1, !!withoutSuffix, string, isFuture);
1639    }
1640
1641    function relativeTime(posNegDuration, withoutSuffix, locale) {
1642        var duration = moment.duration(posNegDuration).abs(),
1643            seconds = round(duration.as('s')),
1644            minutes = round(duration.as('m')),
1645            hours = round(duration.as('h')),
1646            days = round(duration.as('d')),
1647            months = round(duration.as('M')),
1648            years = round(duration.as('y')),
1649
1650            args = seconds < relativeTimeThresholds.s && ['s', seconds] ||
1651                minutes === 1 && ['m'] ||
1652                minutes < relativeTimeThresholds.m && ['mm', minutes] ||
1653                hours === 1 && ['h'] ||
1654                hours < relativeTimeThresholds.h && ['hh', hours] ||
1655                days === 1 && ['d'] ||
1656                days < relativeTimeThresholds.d && ['dd', days] ||
1657                months === 1 && ['M'] ||
1658                months < relativeTimeThresholds.M && ['MM', months] ||
1659                years === 1 && ['y'] || ['yy', years];
1660
1661        args[2] = withoutSuffix;
1662        args[3] = +posNegDuration > 0;
1663        args[4] = locale;
1664        return substituteTimeAgo.apply({}, args);
1665    }
1666
1667
1668    /************************************
1669        Week of Year
1670    ************************************/
1671
1672
1673    // firstDayOfWeek       0 = sun, 6 = sat
1674    //                      the day of the week that starts the week
1675    //                      (usually sunday or monday)
1676    // firstDayOfWeekOfYear 0 = sun, 6 = sat
1677    //                      the first week is the week that contains the first
1678    //                      of this day of the week
1679    //                      (eg. ISO weeks use thursday (4))
1680    function weekOfYear(mom, firstDayOfWeek, firstDayOfWeekOfYear) {
1681        var end = firstDayOfWeekOfYear - firstDayOfWeek,
1682            daysToDayOfWeek = firstDayOfWeekOfYear - mom.day(),
1683            adjustedMoment;
1684
1685
1686        if (daysToDayOfWeek > end) {
1687            daysToDayOfWeek -= 7;
1688        }
1689
1690        if (daysToDayOfWeek < end - 7) {
1691            daysToDayOfWeek += 7;
1692        }
1693
1694        adjustedMoment = moment(mom).add(daysToDayOfWeek, 'd');
1695        return {
1696            week: Math.ceil(adjustedMoment.dayOfYear() / 7),
1697            year: adjustedMoment.year()
1698        };
1699    }
1700
1701    //http://en.wikipedia.org/wiki/ISO_week_date#Calculating_a_date_given_the_year.2C_week_number_and_weekday
1702    function dayOfYearFromWeeks(year, week, weekday, firstDayOfWeekOfYear, firstDayOfWeek) {
1703        var d = makeUTCDate(year, 0, 1).getUTCDay(), daysToAdd, dayOfYear;
1704
1705        d = d === 0 ? 7 : d;
1706        weekday = weekday != null ? weekday : firstDayOfWeek;
1707        daysToAdd = firstDayOfWeek - d + (d > firstDayOfWeekOfYear ? 7 : 0) - (d < firstDayOfWeek ? 7 : 0);
1708        dayOfYear = 7 * (week - 1) + (weekday - firstDayOfWeek) + daysToAdd + 1;
1709
1710        return {
1711            year: dayOfYear > 0 ? year : year - 1,
1712            dayOfYear: dayOfYear > 0 ?  dayOfYear : daysInYear(year - 1) + dayOfYear
1713        };
1714    }
1715
1716    /************************************
1717        Top Level Functions
1718    ************************************/
1719
1720    function makeMoment(config) {
1721        var input = config._i,
1722            format = config._f;
1723
1724        config._locale = config._locale || moment.localeData(config._l);
1725
1726        if (input === null || (format === undefined && input === '')) {
1727            return moment.invalid({nullInput: true});
1728        }
1729
1730        if (typeof input === 'string') {
1731            config._i = input = config._locale.preparse(input);
1732        }
1733
1734        if (moment.isMoment(input)) {
1735            return new Moment(input, true);
1736        } else if (format) {
1737            if (isArray(format)) {
1738                makeDateFromStringAndArray(config);
1739            } else {
1740                makeDateFromStringAndFormat(config);
1741            }
1742        } else {
1743            makeDateFromInput(config);
1744        }
1745
1746        return new Moment(config);
1747    }
1748
1749    moment = function (input, format, locale, strict) {
1750        var c;
1751
1752        if (typeof(locale) === 'boolean') {
1753            strict = locale;
1754            locale = undefined;
1755        }
1756        // object construction must be done this way.
1757        // https://github.com/moment/moment/issues/1423
1758        c = {};
1759        c._isAMomentObject = true;
1760        c._i = input;
1761        c._f = format;
1762        c._l = locale;
1763        c._strict = strict;
1764        c._isUTC = false;
1765        c._pf = defaultParsingFlags();
1766
1767        return makeMoment(c);
1768    };
1769
1770    moment.suppressDeprecationWarnings = false;
1771
1772    moment.createFromInputFallback = deprecate(
1773        'moment construction falls back to js Date. This is ' +
1774        'discouraged and will be removed in upcoming major ' +
1775        'release. Please refer to ' +
1776        'https://github.com/moment/moment/issues/1407 for more info.',
1777        function (config) {
1778            config._d = new Date(config._i);
1779        }
1780    );
1781
1782    // Pick a moment m from moments so that m[fn](other) is true for all
1783    // other. This relies on the function fn to be transitive.
1784    //
1785    // moments should either be an array of moment objects or an array, whose
1786    // first element is an array of moment objects.
1787    function pickBy(fn, moments) {
1788        var res, i;
1789        if (moments.length === 1 && isArray(moments[0])) {
1790            moments = moments[0];
1791        }
1792        if (!moments.length) {
1793            return moment();
1794        }
1795        res = moments[0];
1796        for (i = 1; i < moments.length; ++i) {
1797            if (moments[i][fn](res)) {
1798                res = moments[i];
1799            }
1800        }
1801        return res;
1802    }
1803
1804    moment.min = function () {
1805        var args = [].slice.call(arguments, 0);
1806
1807        return pickBy('isBefore', args);
1808    };
1809
1810    moment.max = function () {
1811        var args = [].slice.call(arguments, 0);
1812
1813        return pickBy('isAfter', args);
1814    };
1815
1816    // creating with utc
1817    moment.utc = function (input, format, locale, strict) {
1818        var c;
1819
1820        if (typeof(locale) === 'boolean') {
1821            strict = locale;
1822            locale = undefined;
1823        }
1824        // object construction must be done this way.
1825        // https://github.com/moment/moment/issues/1423
1826        c = {};
1827        c._isAMomentObject = true;
1828        c._useUTC = true;
1829        c._isUTC = true;
1830        c._l = locale;
1831        c._i = input;
1832        c._f = format;
1833        c._strict = strict;
1834        c._pf = defaultParsingFlags();
1835
1836        return makeMoment(c).utc();
1837    };
1838
1839    // creating with unix timestamp (in seconds)
1840    moment.unix = function (input) {
1841        return moment(input * 1000);
1842    };
1843
1844    // duration
1845    moment.duration = function (input, key) {
1846        var duration = input,
1847            // matching against regexp is expensive, do it on demand
1848            match = null,
1849            sign,
1850            ret,
1851            parseIso,
1852            diffRes;
1853
1854        if (moment.isDuration(input)) {
1855            duration = {
1856                ms: input._milliseconds,
1857                d: input._days,
1858                M: input._months
1859            };
1860        } else if (typeof input === 'number') {
1861            duration = {};
1862            if (key) {
1863                duration[key] = input;
1864            } else {
1865                duration.milliseconds = input;
1866            }
1867        } else if (!!(match = aspNetTimeSpanJsonRegex.exec(input))) {
1868            sign = (match[1] === '-') ? -1 : 1;
1869            duration = {
1870                y: 0,
1871                d: toInt(match[DATE]) * sign,
1872                h: toInt(match[HOUR]) * sign,
1873                m: toInt(match[MINUTE]) * sign,
1874                s: toInt(match[SECOND]) * sign,
1875                ms: toInt(match[MILLISECOND]) * sign
1876            };
1877        } else if (!!(match = isoDurationRegex.exec(input))) {
1878            sign = (match[1] === '-') ? -1 : 1;
1879            parseIso = function (inp) {
1880                // We'd normally use ~~inp for this, but unfortunately it also
1881                // converts floats to ints.
1882                // inp may be undefined, so careful calling replace on it.
1883                var res = inp && parseFloat(inp.replace(',', '.'));
1884                // apply sign while we're at it
1885                return (isNaN(res) ? 0 : res) * sign;
1886            };
1887            duration = {
1888                y: parseIso(match[2]),
1889                M: parseIso(match[3]),
1890                d: parseIso(match[4]),
1891                h: parseIso(match[5]),
1892                m: parseIso(match[6]),
1893                s: parseIso(match[7]),
1894                w: parseIso(match[8])
1895            };
1896        } else if (typeof duration === 'object' &&
1897                ('from' in duration || 'to' in duration)) {
1898            diffRes = momentsDifference(moment(duration.from), moment(duration.to));
1899
1900            duration = {};
1901            duration.ms = diffRes.milliseconds;
1902            duration.M = diffRes.months;
1903        }
1904
1905        ret = new Duration(duration);
1906
1907        if (moment.isDuration(input) && hasOwnProp(input, '_locale')) {
1908            ret._locale = input._locale;
1909        }
1910
1911        return ret;
1912    };
1913
1914    // version number
1915    moment.version = VERSION;
1916
1917    // default format
1918    moment.defaultFormat = isoFormat;
1919
1920    // constant that refers to the ISO standard
1921    moment.ISO_8601 = function () {};
1922
1923    // Plugins that add properties should also add the key here (null value),
1924    // so we can properly clone ourselves.
1925    moment.momentProperties = momentProperties;
1926
1927    // This function will be called whenever a moment is mutated.
1928    // It is intended to keep the offset in sync with the timezone.
1929    moment.updateOffset = function () {};
1930
1931    // This function allows you to set a threshold for relative time strings
1932    moment.relativeTimeThreshold = function (threshold, limit) {
1933        if (relativeTimeThresholds[threshold] === undefined) {
1934            return false;
1935        }
1936        if (limit === undefined) {
1937            return relativeTimeThresholds[threshold];
1938        }
1939        relativeTimeThresholds[threshold] = limit;
1940        return true;
1941    };
1942
1943    moment.lang = deprecate(
1944        'moment.lang is deprecated. Use moment.locale instead.',
1945        function (key, value) {
1946            return moment.locale(key, value);
1947        }
1948    );
1949
1950    // This function will load locale and then set the global locale.  If
1951    // no arguments are passed in, it will simply return the current global
1952    // locale key.
1953    moment.locale = function (key, values) {
1954        var data;
1955        if (key) {
1956            if (typeof(values) !== 'undefined') {
1957                data = moment.defineLocale(key, values);
1958            }
1959            else {
1960                data = moment.localeData(key);
1961            }
1962
1963            if (data) {
1964                moment.duration._locale = moment._locale = data;
1965            }
1966        }
1967
1968        return moment._locale._abbr;
1969    };
1970
1971    moment.defineLocale = function (name, values) {
1972        if (values !== null) {
1973            values.abbr = name;
1974            if (!locales[name]) {
1975                locales[name] = new Locale();
1976            }
1977            locales[name].set(values);
1978
1979            // backwards compat for now: also set the locale
1980            moment.locale(name);
1981
1982            return locales[name];
1983        } else {
1984            // useful for testing
1985            delete locales[name];
1986            return null;
1987        }
1988    };
1989
1990    moment.langData = deprecate(
1991        'moment.langData is deprecated. Use moment.localeData instead.',
1992        function (key) {
1993            return moment.localeData(key);
1994        }
1995    );
1996
1997    // returns locale data
1998    moment.localeData = function (key) {
1999        var locale;
2000
2001        if (key && key._locale && key._locale._abbr) {
2002            key = key._locale._abbr;
2003        }
2004
2005        if (!key) {
2006            return moment._locale;
2007        }
2008
2009        if (!isArray(key)) {
2010            //short-circuit everything else
2011            locale = loadLocale(key);
2012            if (locale) {
2013                return locale;
2014            }
2015            key = [key];
2016        }
2017
2018        return chooseLocale(key);
2019    };
2020
2021    // compare moment object
2022    moment.isMoment = function (obj) {
2023        return obj instanceof Moment ||
2024            (obj != null && hasOwnProp(obj, '_isAMomentObject'));
2025    };
2026
2027    // for typechecking Duration objects
2028    moment.isDuration = function (obj) {
2029        return obj instanceof Duration;
2030    };
2031
2032    for (i = lists.length - 1; i >= 0; --i) {
2033        makeList(lists[i]);
2034    }
2035
2036    moment.normalizeUnits = function (units) {
2037        return normalizeUnits(units);
2038    };
2039
2040    moment.invalid = function (flags) {
2041        var m = moment.utc(NaN);
2042        if (flags != null) {
2043            extend(m._pf, flags);
2044        }
2045        else {
2046            m._pf.userInvalidated = true;
2047        }
2048
2049        return m;
2050    };
2051
2052    moment.parseZone = function () {
2053        return moment.apply(null, arguments).parseZone();
2054    };
2055
2056    moment.parseTwoDigitYear = function (input) {
2057        return toInt(input) + (toInt(input) > 68 ? 1900 : 2000);
2058    };
2059
2060    /************************************
2061        Moment Prototype
2062    ************************************/
2063
2064
2065    extend(moment.fn = Moment.prototype, {
2066
2067        clone : function () {
2068            return moment(this);
2069        },
2070
2071        valueOf : function () {
2072            return +this._d + ((this._offset || 0) * 60000);
2073        },
2074
2075        unix : function () {
2076            return Math.floor(+this / 1000);
2077        },
2078
2079        toString : function () {
2080            return this.clone().locale('en').format('ddd MMM DD YYYY HH:mm:ss [GMT]ZZ');
2081        },
2082
2083        toDate : function () {
2084            return this._offset ? new Date(+this) : this._d;
2085        },
2086
2087        toISOString : function () {
2088            var m = moment(this).utc();
2089            if (0 < m.year() && m.year() <= 9999) {
2090                return formatMoment(m, 'YYYY-MM-DD[T]HH:mm:ss.SSS[Z]');
2091            } else {
2092                return formatMoment(m, 'YYYYYY-MM-DD[T]HH:mm:ss.SSS[Z]');
2093            }
2094        },
2095
2096        toArray : function () {
2097            var m = this;
2098            return [
2099                m.year(),
2100                m.month(),
2101                m.date(),
2102                m.hours(),
2103                m.minutes(),
2104                m.seconds(),
2105                m.milliseconds()
2106            ];
2107        },
2108
2109        isValid : function () {
2110            return isValid(this);
2111        },
2112
2113        isDSTShifted : function () {
2114            if (this._a) {
2115                return this.isValid() && compareArrays(this._a, (this._isUTC ? moment.utc(this._a) : moment(this._a)).toArray()) > 0;
2116            }
2117
2118            return false;
2119        },
2120
2121        parsingFlags : function () {
2122            return extend({}, this._pf);
2123        },
2124
2125        invalidAt: function () {
2126            return this._pf.overflow;
2127        },
2128
2129        utc : function (keepLocalTime) {
2130            return this.zone(0, keepLocalTime);
2131        },
2132
2133        local : function (keepLocalTime) {
2134            if (this._isUTC) {
2135                this.zone(0, keepLocalTime);
2136                this._isUTC = false;
2137
2138                if (keepLocalTime) {
2139                    this.add(this._dateTzOffset(), 'm');
2140                }
2141            }
2142            return this;
2143        },
2144
2145        format : function (inputString) {
2146            var output = formatMoment(this, inputString || moment.defaultFormat);
2147            return this.localeData().postformat(output);
2148        },
2149
2150        add : createAdder(1, 'add'),
2151
2152        subtract : createAdder(-1, 'subtract'),
2153
2154        diff : function (input, units, asFloat) {
2155            var that = makeAs(input, this),
2156                zoneDiff = (this.zone() - that.zone()) * 6e4,
2157                diff, output, daysAdjust;
2158
2159            units = normalizeUnits(units);
2160
2161            if (units === 'year' || units === 'month') {
2162                // average number of days in the months in the given dates
2163                diff = (this.daysInMonth() + that.daysInMonth()) * 432e5; // 24 * 60 * 60 * 1000 / 2
2164                // difference in months
2165                output = ((this.year() - that.year()) * 12) + (this.month() - that.month());
2166                // adjust by taking difference in days, average number of days
2167                // and dst in the given months.
2168                daysAdjust = (this - moment(this).startOf('month')) -
2169                    (that - moment(that).startOf('month'));
2170                // same as above but with zones, to negate all dst
2171                daysAdjust -= ((this.zone() - moment(this).startOf('month').zone()) -
2172                        (that.zone() - moment(that).startOf('month').zone())) * 6e4;
2173                output += daysAdjust / diff;
2174                if (units === 'year') {
2175                    output = output / 12;
2176                }
2177            } else {
2178                diff = (this - that);
2179                output = units === 'second' ? diff / 1e3 : // 1000
2180                    units === 'minute' ? diff / 6e4 : // 1000 * 60
2181                    units === 'hour' ? diff / 36e5 : // 1000 * 60 * 60
2182                    units === 'day' ? (diff - zoneDiff) / 864e5 : // 1000 * 60 * 60 * 24, negate dst
2183                    units === 'week' ? (diff - zoneDiff) / 6048e5 : // 1000 * 60 * 60 * 24 * 7, negate dst
2184                    diff;
2185            }
2186            return asFloat ? output : absRound(output);
2187        },
2188
2189        from : function (time, withoutSuffix) {
2190            return moment.duration({to: this, from: time}).locale(this.locale()).humanize(!withoutSuffix);
2191        },
2192
2193        fromNow : function (withoutSuffix) {
2194            return this.from(moment(), withoutSuffix);
2195        },
2196
2197        calendar : function (time) {
2198            // We want to compare the start of today, vs this.
2199            // Getting start-of-today depends on whether we're zone'd or not.
2200            var now = time || moment(),
2201                sod = makeAs(now, this).startOf('day'),
2202                diff = this.diff(sod, 'days', true),
2203                format = diff < -6 ? 'sameElse' :
2204                    diff < -1 ? 'lastWeek' :
2205                    diff < 0 ? 'lastDay' :
2206                    diff < 1 ? 'sameDay' :
2207                    diff < 2 ? 'nextDay' :
2208                    diff < 7 ? 'nextWeek' : 'sameElse';
2209            return this.format(this.localeData().calendar(format, this));
2210        },
2211
2212        isLeapYear : function () {
2213            return isLeapYear(this.year());
2214        },
2215
2216        isDST : function () {
2217            return (this.zone() < this.clone().month(0).zone() ||
2218                this.zone() < this.clone().month(5).zone());
2219        },
2220
2221        day : function (input) {
2222            var day = this._isUTC ? this._d.getUTCDay() : this._d.getDay();
2223            if (input != null) {
2224                input = parseWeekday(input, this.localeData());
2225                return this.add(input - day, 'd');
2226            } else {
2227                return day;
2228            }
2229        },
2230
2231        month : makeAccessor('Month', true),
2232
2233        startOf : function (units) {
2234            units = normalizeUnits(units);
2235            // the following switch intentionally omits break keywords
2236            // to utilize falling through the cases.
2237            switch (units) {
2238            case 'year':
2239                this.month(0);
2240                /* falls through */
2241            case 'quarter':
2242            case 'month':
2243                this.date(1);
2244                /* falls through */
2245            case 'week':
2246            case 'isoWeek':
2247            case 'day':
2248                this.hours(0);
2249                /* falls through */
2250            case 'hour':
2251                this.minutes(0);
2252                /* falls through */
2253            case 'minute':
2254                this.seconds(0);
2255                /* falls through */
2256            case 'second':
2257                this.milliseconds(0);
2258                /* falls through */
2259            }
2260
2261            // weeks are a special case
2262            if (units === 'week') {
2263                this.weekday(0);
2264            } else if (units === 'isoWeek') {
2265                this.isoWeekday(1);
2266            }
2267
2268            // quarters are also special
2269            if (units === 'quarter') {
2270                this.month(Math.floor(this.month() / 3) * 3);
2271            }
2272
2273            return this;
2274        },
2275
2276        endOf: function (units) {
2277            units = normalizeUnits(units);
2278            return this.startOf(units).add(1, (units === 'isoWeek' ? 'week' : units)).subtract(1, 'ms');
2279        },
2280
2281        isAfter: function (input, units) {
2282            units = normalizeUnits(typeof units !== 'undefined' ? units : 'millisecond');
2283            if (units === 'millisecond') {
2284                input = moment.isMoment(input) ? input : moment(input);
2285                return +this > +input;
2286            } else {
2287                return +this.clone().startOf(units) > +moment(input).startOf(units);
2288            }
2289        },
2290
2291        isBefore: function (input, units) {
2292            units = normalizeUnits(typeof units !== 'undefined' ? units : 'millisecond');
2293            if (units === 'millisecond') {
2294                input = moment.isMoment(input) ? input : moment(input);
2295                return +this < +input;
2296            } else {
2297                return +this.clone().startOf(units) < +moment(input).startOf(units);
2298            }
2299        },
2300
2301        isSame: function (input, units) {
2302            units = normalizeUnits(units || 'millisecond');
2303            if (units === 'millisecond') {
2304                input = moment.isMoment(input) ? input : moment(input);
2305                return +this === +input;
2306            } else {
2307                return +this.clone().startOf(units) === +makeAs(input, this).startOf(units);
2308            }
2309        },
2310
2311        min: deprecate(
2312                 'moment().min is deprecated, use moment.min instead. https://github.com/moment/moment/issues/1548',
2313                 function (other) {
2314                     other = moment.apply(null, arguments);
2315                     return other < this ? this : other;
2316                 }
2317         ),
2318
2319        max: deprecate(
2320                'moment().max is deprecated, use moment.max instead. https://github.com/moment/moment/issues/1548',
2321                function (other) {
2322                    other = moment.apply(null, arguments);
2323                    return other > this ? this : other;
2324                }
2325        ),
2326
2327        // keepLocalTime = true means only change the timezone, without
2328        // affecting the local hour. So 5:31:26 +0300 --[zone(2, true)]-->
2329        // 5:31:26 +0200 It is possible that 5:31:26 doesn't exist int zone
2330        // +0200, so we adjust the time as needed, to be valid.
2331        //
2332        // Keeping the time actually adds/subtracts (one hour)
2333        // from the actual represented time. That is why we call updateOffset
2334        // a second time. In case it wants us to change the offset again
2335        // _changeInProgress == true case, then we have to adjust, because
2336        // there is no such time in the given timezone.
2337        zone : function (input, keepLocalTime) {
2338            var offset = this._offset || 0,
2339                localAdjust;
2340            if (input != null) {
2341                if (typeof input === 'string') {
2342                    input = timezoneMinutesFromString(input);
2343                }
2344                if (Math.abs(input) < 16) {
2345                    input = input * 60;
2346                }
2347                if (!this._isUTC && keepLocalTime) {
2348                    localAdjust = this._dateTzOffset();
2349                }
2350                this._offset = input;
2351                this._isUTC = true;
2352                if (localAdjust != null) {
2353                    this.subtract(localAdjust, 'm');
2354                }
2355                if (offset !== input) {
2356                    if (!keepLocalTime || this._changeInProgress) {
2357                        addOrSubtractDurationFromMoment(this,
2358                                moment.duration(offset - input, 'm'), 1, false);
2359                    } else if (!this._changeInProgress) {
2360                        this._changeInProgress = true;
2361                        moment.updateOffset(this, true);
2362                        this._changeInProgress = null;
2363                    }
2364                }
2365            } else {
2366                return this._isUTC ? offset : this._dateTzOffset();
2367            }
2368            return this;
2369        },
2370
2371        zoneAbbr : function () {
2372            return this._isUTC ? 'UTC' : '';
2373        },
2374
2375        zoneName : function () {
2376            return this._isUTC ? 'Coordinated Universal Time' : '';
2377        },
2378
2379        parseZone : function () {
2380            if (this._tzm) {
2381                this.zone(this._tzm);
2382            } else if (typeof this._i === 'string') {
2383                this.zone(this._i);
2384            }
2385            return this;
2386        },
2387
2388        hasAlignedHourOffset : function (input) {
2389            if (!input) {
2390                input = 0;
2391            }
2392            else {
2393                input = moment(input).zone();
2394            }
2395
2396            return (this.zone() - input) % 60 === 0;
2397        },
2398
2399        daysInMonth : function () {
2400            return daysInMonth(this.year(), this.month());
2401        },
2402
2403        dayOfYear : function (input) {
2404            var dayOfYear = round((moment(this).startOf('day') - moment(this).startOf('year')) / 864e5) + 1;
2405            return input == null ? dayOfYear : this.add((input - dayOfYear), 'd');
2406        },
2407
2408        quarter : function (input) {
2409            return input == null ? Math.ceil((this.month() + 1) / 3) : this.month((input - 1) * 3 + this.month() % 3);
2410        },
2411
2412        weekYear : function (input) {
2413            var year = weekOfYear(this, this.localeData()._week.dow, this.localeData()._week.doy).year;
2414            return input == null ? year : this.add((input - year), 'y');
2415        },
2416
2417        isoWeekYear : function (input) {
2418            var year = weekOfYear(this, 1, 4).year;
2419            return input == null ? year : this.add((input - year), 'y');
2420        },
2421
2422        week : function (input) {
2423            var week = this.localeData().week(this);
2424            return input == null ? week : this.add((input - week) * 7, 'd');
2425        },
2426
2427        isoWeek : function (input) {
2428            var week = weekOfYear(this, 1, 4).week;
2429            return input == null ? week : this.add((input - week) * 7, 'd');
2430        },
2431
2432        weekday : function (input) {
2433            var weekday = (this.day() + 7 - this.localeData()._week.dow) % 7;
2434            return input == null ? weekday : this.add(input - weekday, 'd');
2435        },
2436
2437        isoWeekday : function (input) {
2438            // behaves the same as moment#day except
2439            // as a getter, returns 7 instead of 0 (1-7 range instead of 0-6)
2440            // as a setter, sunday should belong to the previous week.
2441            return input == null ? this.day() || 7 : this.day(this.day() % 7 ? input : input - 7);
2442        },
2443
2444        isoWeeksInYear : function () {
2445            return weeksInYear(this.year(), 1, 4);
2446        },
2447
2448        weeksInYear : function () {
2449            var weekInfo = this.localeData()._week;
2450            return weeksInYear(this.year(), weekInfo.dow, weekInfo.doy);
2451        },
2452
2453        get : function (units) {
2454            units = normalizeUnits(units);
2455            return this[units]();
2456        },
2457
2458        set : function (units, value) {
2459            units = normalizeUnits(units);
2460            if (typeof this[units] === 'function') {
2461                this[units](value);
2462            }
2463            return this;
2464        },
2465
2466        // If passed a locale key, it will set the locale for this
2467        // instance.  Otherwise, it will return the locale configuration
2468        // variables for this instance.
2469        locale : function (key) {
2470            var newLocaleData;
2471
2472            if (key === undefined) {
2473                return this._locale._abbr;
2474            } else {
2475                newLocaleData = moment.localeData(key);
2476                if (newLocaleData != null) {
2477                    this._locale = newLocaleData;
2478                }
2479                return this;
2480            }
2481        },
2482
2483        lang : deprecate(
2484            'moment().lang() is deprecated. Use moment().localeData() instead.',
2485            function (key) {
2486                if (key === undefined) {
2487                    return this.localeData();
2488                } else {
2489                    return this.locale(key);
2490                }
2491            }
2492        ),
2493
2494        localeData : function () {
2495            return this._locale;
2496        },
2497
2498        _dateTzOffset : function () {
2499            // On Firefox.24 Date#getTimezoneOffset returns a floating point.
2500            // https://github.com/moment/moment/pull/1871
2501            return Math.round(this._d.getTimezoneOffset() / 15) * 15;
2502        }
2503    });
2504
2505    function rawMonthSetter(mom, value) {
2506        var dayOfMonth;
2507
2508        // TODO: Move this out of here!
2509        if (typeof value === 'string') {
2510            value = mom.localeData().monthsParse(value);
2511            // TODO: Another silent failure?
2512            if (typeof value !== 'number') {
2513                return mom;
2514            }
2515        }
2516
2517        dayOfMonth = Math.min(mom.date(),
2518                daysInMonth(mom.year(), value));
2519        mom._d['set' + (mom._isUTC ? 'UTC' : '') + 'Month'](value, dayOfMonth);
2520        return mom;
2521    }
2522
2523    function rawGetter(mom, unit) {
2524        return mom._d['get' + (mom._isUTC ? 'UTC' : '') + unit]();
2525    }
2526
2527    function rawSetter(mom, unit, value) {
2528        if (unit === 'Month') {
2529            return rawMonthSetter(mom, value);
2530        } else {
2531            return mom._d['set' + (mom._isUTC ? 'UTC' : '') + unit](value);
2532        }
2533    }
2534
2535    function makeAccessor(unit, keepTime) {
2536        return function (value) {
2537            if (value != null) {
2538                rawSetter(this, unit, value);
2539                moment.updateOffset(this, keepTime);
2540                return this;
2541            } else {
2542                return rawGetter(this, unit);
2543            }
2544        };
2545    }
2546
2547    moment.fn.millisecond = moment.fn.milliseconds = makeAccessor('Milliseconds', false);
2548    moment.fn.second = moment.fn.seconds = makeAccessor('Seconds', false);
2549    moment.fn.minute = moment.fn.minutes = makeAccessor('Minutes', false);
2550    // Setting the hour should keep the time, because the user explicitly
2551    // specified which hour he wants. So trying to maintain the same hour (in
2552    // a new timezone) makes sense. Adding/subtracting hours does not follow
2553    // this rule.
2554    moment.fn.hour = moment.fn.hours = makeAccessor('Hours', true);
2555    // moment.fn.month is defined separately
2556    moment.fn.date = makeAccessor('Date', true);
2557    moment.fn.dates = deprecate('dates accessor is deprecated. Use date instead.', makeAccessor('Date', true));
2558    moment.fn.year = makeAccessor('FullYear', true);
2559    moment.fn.years = deprecate('years accessor is deprecated. Use year instead.', makeAccessor('FullYear', true));
2560
2561    // add plural methods
2562    moment.fn.days = moment.fn.day;
2563    moment.fn.months = moment.fn.month;
2564    moment.fn.weeks = moment.fn.week;
2565    moment.fn.isoWeeks = moment.fn.isoWeek;
2566    moment.fn.quarters = moment.fn.quarter;
2567
2568    // add aliased format methods
2569    moment.fn.toJSON = moment.fn.toISOString;
2570
2571    /************************************
2572        Duration Prototype
2573    ************************************/
2574
2575
2576    function daysToYears (days) {
2577        // 400 years have 146097 days (taking into account leap year rules)
2578        return days * 400 / 146097;
2579    }
2580
2581    function yearsToDays (years) {
2582        // years * 365 + absRound(years / 4) -
2583        //     absRound(years / 100) + absRound(years / 400);
2584        return years * 146097 / 400;
2585    }
2586
2587    extend(moment.duration.fn = Duration.prototype, {
2588
2589        _bubble : function () {
2590            var milliseconds = this._milliseconds,
2591                days = this._days,
2592                months = this._months,
2593                data = this._data,
2594                seconds, minutes, hours, years = 0;
2595
2596            // The following code bubbles up values, see the tests for
2597            // examples of what that means.
2598            data.milliseconds = milliseconds % 1000;
2599
2600            seconds = absRound(milliseconds / 1000);
2601            data.seconds = seconds % 60;
2602
2603            minutes = absRound(seconds / 60);
2604            data.minutes = minutes % 60;
2605
2606            hours = absRound(minutes / 60);
2607            data.hours = hours % 24;
2608
2609            days += absRound(hours / 24);
2610
2611            // Accurately convert days to years, assume start from year 0.
2612            years = absRound(daysToYears(days));
2613            days -= absRound(yearsToDays(years));
2614
2615            // 30 days to a month
2616            // TODO (iskren): Use anchor date (like 1st Jan) to compute this.
2617            months += absRound(days / 30);
2618            days %= 30;
2619
2620            // 12 months -> 1 year
2621            years += absRound(months / 12);
2622            months %= 12;
2623
2624            data.days = days;
2625            data.months = months;
2626            data.years = years;
2627        },
2628
2629        abs : function () {
2630            this._milliseconds = Math.abs(this._milliseconds);
2631            this._days = Math.abs(this._days);
2632            this._months = Math.abs(this._months);
2633
2634            this._data.milliseconds = Math.abs(this._data.milliseconds);
2635            this._data.seconds = Math.abs(this._data.seconds);
2636            this._data.minutes = Math.abs(this._data.minutes);
2637            this._data.hours = Math.abs(this._data.hours);
2638            this._data.months = Math.abs(this._data.months);
2639            this._data.years = Math.abs(this._data.years);
2640
2641            return this;
2642        },
2643
2644        weeks : function () {
2645            return absRound(this.days() / 7);
2646        },
2647
2648        valueOf : function () {
2649            return this._milliseconds +
2650              this._days * 864e5 +
2651              (this._months % 12) * 2592e6 +
2652              toInt(this._months / 12) * 31536e6;
2653        },
2654
2655        humanize : function (withSuffix) {
2656            var output = relativeTime(this, !withSuffix, this.localeData());
2657
2658            if (withSuffix) {
2659                output = this.localeData().pastFuture(+this, output);
2660            }
2661
2662            return this.localeData().postformat(output);
2663        },
2664
2665        add : function (input, val) {
2666            // supports only 2.0-style add(1, 's') or add(moment)
2667            var dur = moment.duration(input, val);
2668
2669            this._milliseconds += dur._milliseconds;
2670            this._days += dur._days;
2671            this._months += dur._months;
2672
2673            this._bubble();
2674
2675            return this;
2676        },
2677
2678        subtract : function (input, val) {
2679            var dur = moment.duration(input, val);
2680
2681            this._milliseconds -= dur._milliseconds;
2682            this._days -= dur._days;
2683            this._months -= dur._months;
2684
2685            this._bubble();
2686
2687            return this;
2688        },
2689
2690        get : function (units) {
2691            units = normalizeUnits(units);
2692            return this[units.toLowerCase() + 's']();
2693        },
2694
2695        as : function (units) {
2696            var days, months;
2697            units = normalizeUnits(units);
2698
2699            if (units === 'month' || units === 'year') {
2700                days = this._days + this._milliseconds / 864e5;
2701                months = this._months + daysToYears(days) * 12;
2702                return units === 'month' ? months : months / 12;
2703            } else {
2704                // handle milliseconds separately because of floating point math errors (issue #1867)
2705                days = this._days + yearsToDays(this._months / 12);
2706                switch (units) {
2707                    case 'week': return days / 7 + this._milliseconds / 6048e5;
2708                    case 'day': return days + this._milliseconds / 864e5;
2709                    case 'hour': return days * 24 + this._milliseconds / 36e5;
2710                    case 'minute': return days * 24 * 60 + this._milliseconds / 6e4;
2711                    case 'second': return days * 24 * 60 * 60 + this._milliseconds / 1000;
2712                    // Math.floor prevents floating point math errors here
2713                    case 'millisecond': return Math.floor(days * 24 * 60 * 60 * 1000) + this._milliseconds;
2714                    default: throw new Error('Unknown unit ' + units);
2715                }
2716            }
2717        },
2718
2719        lang : moment.fn.lang,
2720        locale : moment.fn.locale,
2721
2722        toIsoString : deprecate(
2723            'toIsoString() is deprecated. Please use toISOString() instead ' +
2724            '(notice the capitals)',
2725            function () {
2726                return this.toISOString();
2727            }
2728        ),
2729
2730        toISOString : function () {
2731            // inspired by https://github.com/dordille/moment-isoduration/blob/master/moment.isoduration.js
2732            var years = Math.abs(this.years()),
2733                months = Math.abs(this.months()),
2734                days = Math.abs(this.days()),
2735                hours = Math.abs(this.hours()),
2736                minutes = Math.abs(this.minutes()),
2737                seconds = Math.abs(this.seconds() + this.milliseconds() / 1000);
2738
2739            if (!this.asSeconds()) {
2740                // this is the same as C#'s (Noda) and python (isodate)...
2741                // but not other JS (goog.date)
2742                return 'P0D';
2743            }
2744
2745            return (this.asSeconds() < 0 ? '-' : '') +
2746                'P' +
2747                (years ? years + 'Y' : '') +
2748                (months ? months + 'M' : '') +
2749                (days ? days + 'D' : '') +
2750                ((hours || minutes || seconds) ? 'T' : '') +
2751                (hours ? hours + 'H' : '') +
2752                (minutes ? minutes + 'M' : '') +
2753                (seconds ? seconds + 'S' : '');
2754        },
2755
2756        localeData : function () {
2757            return this._locale;
2758        }
2759    });
2760
2761    moment.duration.fn.toString = moment.duration.fn.toISOString;
2762
2763    function makeDurationGetter(name) {
2764        moment.duration.fn[name] = function () {
2765            return this._data[name];
2766        };
2767    }
2768
2769    for (i in unitMillisecondFactors) {
2770        if (hasOwnProp(unitMillisecondFactors, i)) {
2771            makeDurationGetter(i.toLowerCase());
2772        }
2773    }
2774
2775    moment.duration.fn.asMilliseconds = function () {
2776        return this.as('ms');
2777    };
2778    moment.duration.fn.asSeconds = function () {
2779        return this.as('s');
2780    };
2781    moment.duration.fn.asMinutes = function () {
2782        return this.as('m');
2783    };
2784    moment.duration.fn.asHours = function () {
2785        return this.as('h');
2786    };
2787    moment.duration.fn.asDays = function () {
2788        return this.as('d');
2789    };
2790    moment.duration.fn.asWeeks = function () {
2791        return this.as('weeks');
2792    };
2793    moment.duration.fn.asMonths = function () {
2794        return this.as('M');
2795    };
2796    moment.duration.fn.asYears = function () {
2797        return this.as('y');
2798    };
2799
2800    /************************************
2801        Default Locale
2802    ************************************/
2803
2804
2805    // Set default locale, other locale will inherit from English.
2806    moment.locale('en', {
2807        ordinal : function (number) {
2808            var b = number % 10,
2809                output = (toInt(number % 100 / 10) === 1) ? 'th' :
2810                (b === 1) ? 'st' :
2811                (b === 2) ? 'nd' :
2812                (b === 3) ? 'rd' : 'th';
2813            return number + output;
2814        }
2815    });
2816
2817    /* EMBED_LOCALES */
2818
2819    /************************************
2820        Exposing Moment
2821    ************************************/
2822
2823    function makeGlobal(shouldDeprecate) {
2824        /*global ender:false */
2825        if (typeof ender !== 'undefined') {
2826            return;
2827        }
2828        oldGlobalMoment = globalScope.moment;
2829        if (shouldDeprecate) {
2830            globalScope.moment = deprecate(
2831                    'Accessing Moment through the global scope is ' +
2832                    'deprecated, and will be removed in an upcoming ' +
2833                    'release.',
2834                    moment);
2835        } else {
2836            globalScope.moment = moment;
2837        }
2838    }
2839
2840    // CommonJS module is defined
2841    if (hasModule) {
2842        module.exports = moment;
2843    } else if (typeof define === 'function' && define.amd) {
2844        define('moment', function (require, exports, module) {
2845            if (module.config && module.config() && module.config().noGlobal === true) {
2846                // release the global variable
2847                globalScope.moment = oldGlobalMoment;
2848            }
2849
2850            return moment;
2851        });
2852        makeGlobal(true);
2853    } else {
2854        makeGlobal();
2855    }
2856}
2856).call(this);

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