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4jQuery.noConflict();
5seraph_accel_gzjydy();/*! jQuery Migrate v3.4.1 | (c) OpenJS Foundation and other contributors | jquery.org/license */
6"undefined"==typeof jQuery.migrateMute&&(jQuery.migrateMute=!0),function(t){"use strict";"function"==typeof define&&define.amd?define(["jquery"],function(e){return t(e,window)}):"object"==typeof module&&module.exports?module.exports=t(require("jquery"),window):t(jQuery,window)}(function(s,n){"use strict";function e(e){return 0<=function(e,t){for(var r=/^(\d+)\.(\d+)\.(\d+)/,n=r.exec(e)||[],o=r.exec(t)||[],a=1;a<=3;a++){if(+o[a]<+n[a])return 1;if(+n[a]<+o[a])return-1}return 0}(s.fn.jquery,e)}s.migrateVersion="3.4.1";var t=Object.create(null);s.migrateDisablePatches=function(){for(var e=0;e<arguments.length;e++)t[arguments[e]]=!0},s.migrateEnablePatches=function(){for(var e=0;e<arguments.length;e++)delete t[arguments[e]]},s.migrateIsPatchEnabled=function(e){return!t[e]}

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11seraph_accel_gzjydy();//! moment.js
12//! version : 2.29.4
13//! authors : Tim Wood, Iskren Chernev, Moment.js contributors
14//! license : MIT
15//! momentjs.com
16
17;(function (global, factory) {
18    typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
19    typeof define === 'function' && define.amd ? define(factory) :
20    global.moment = factory()
21}(this, (function () { 'use strict';
22
23    var hookCallback;
24
25    function hooks() {
26        return hookCallback.apply(null, arguments);
27    }
28
29    // This is done to register the method called with moment()
30    // without creating circular dependencies.
31    function setHookCallback(callback) {
32        hookCallback = callback;
33    }
34
35    function isArray(input) {
36        return (
37            input instanceof Array ||
38            Object.prototype.toString.call(input) === '[object Array]'
39        );
40    }
41
42    function isObject(input) {
43        // IE8 will treat undefined and null as object if it wasn't for
44        // input != null
45        return (
46            input != null &&
47            Object.prototype.toString.call(input) === '[object Object]'
48        );
49    }
50
51    function hasOwnProp(a, b) {
52        return Object.prototype.hasOwnProperty.call(a, b);
53    }
54
55    function isObjectEmpty(obj) {
56        if (Object.getOwnPropertyNames) {
57            return Object.getOwnPropertyNames(obj).length === 0;
58        } else {
59            var k;
60            for (k in obj) {
61                if (hasOwnProp(obj, k)) {
62                    return false;
63                }
64            }
65            return true;
66        }
67    }
68
69    function isUndefined(input) {
70        return input === void 0;
71    }
72
73    function isNumber(input) {
74        return (
75            typeof input === 'number' ||
76            Object.prototype.toString.call(input) === '[object Number]'
77        );
78    }
79
80    function isDate(input) {
81        return (
82            input instanceof Date ||
83            Object.prototype.toString.call(input) === '[object Date]'
84        );
85    }
86
87    function map(arr, fn) {
88        var res = [],
89            i,
90            arrLen = arr.length;
91        for (i = 0; i < arrLen; ++i) {
92            res.push(fn(arr[i], i));
93        }
94        return res;
95    }
96
97    function extend(a, b) {
98        for (var i in b) {
99            if (hasOwnProp(b, i)) {
100                a[i] = b[i];
101            }
102        }
103
104        if (hasOwnProp(b, 'toString')) {
105            a.toString = b.toString;
106        }
107
108        if (hasOwnProp(b, 'valueOf')) {
109            a.valueOf = b.valueOf;
110        }
111
112        return a;
113    }
114
115    function createUTC(input, format, locale, strict) {
116        return createLocalOrUTC(input, format, locale, strict, true).utc();
117    }
118
119    function defaultParsingFlags() {
120        // We need to deep clone this object.
121        return {
122            empty: false,
123            unusedTokens: [],
124            unusedInput: [],
125            overflow: -2,
126            charsLeftOver: 0,
127            nullInput: false,
128            invalidEra: null,
129            invalidMonth: null,
130            invalidFormat: false,
131            userInvalidated: false,
132            iso: false,
133            parsedDateParts: [],
134            era: null,
135            meridiem: null,
136            rfc2822: false,
137            weekdayMismatch: false,
138        };
139    }
140
141    function getParsingFlags(m) {
142        if (m._pf == null) {
143            m._pf = defaultParsingFlags();
144        }
145        return m._pf;
146    }
147
148    var some;
149    if (Array.prototype.some) {
150        some = Array.prototype.some;
151    } else {
152        some = function (fun) {
153            var t = Object(this),
154                len = t.length >>> 0,
155                i;
156
157            for (i = 0; i < len; i++) {
158                if (i in t && fun.call(this, t[i], i, t)) {
159                    return true;
160                }
161            }
162
163            return false;
164        };
165    }
166
167    function isValid(m) {
168        if (m._isValid == null) {
169            var flags = getParsingFlags(m),
170                parsedParts = some.call(flags.parsedDateParts, function (i) {
171                    return i != null;
172                }),
173                isNowValid =
174                    !isNaN(m._d.getTime()) &&
175                    flags.overflow < 0 &&
176                    !flags.empty &&
177                    !flags.invalidEra &&
178                    !flags.invalidMonth &&
179                    !flags.invalidWeekday &&
180                    !flags.weekdayMismatch &&
181                    !flags.nullInput &&
182                    !flags.invalidFormat &&
183                    !flags.userInvalidated &&
184                    (!flags.meridiem || (flags.meridiem && parsedParts));
185
186            if (m._strict) {
187                isNowValid =
188                    isNowValid &&
189                    flags.charsLeftOver === 0 &&
190                    flags.unusedTokens.length === 0 &&
191                    flags.bigHour === undefined;
192            }
193
194            if (Object.isFrozen == null || !Object.isFrozen(m)) {
195                m._isValid = isNowValid;
196            } else {
197                return isNowValid;
198            }
199        }
200        return m._isValid;
201    }
202
203    function createInvalid(flags) {
204        var m = createUTC(NaN);
205        if (flags != null) {
206            extend(getParsingFlags(m), flags);
207        } else {
208            getParsingFlags(m).userInvalidated = true;
209        }
210
211        return m;
212    }
213
214    // Plugins that add properties should also add the key here (null value),
215    // so we can properly clone ourselves.
216    var momentProperties = (hooks.momentProperties = []),
217        updateInProgress = false;
218
219    function copyConfig(to, from) {
220        var i,
221            prop,
222            val,
223            momentPropertiesLen = momentProperties.length;
224
225        if (!isUndefined(from._isAMomentObject)) {
226            to._isAMomentObject = from._isAMomentObject;
227        }
228        if (!isUndefined(from._i)) {
229            to._i = from._i;
230        }
231        if (!isUndefined(from._f)) {
232            to._f = from._f;
233        }
234        if (!isUndefined(from._l)) {
235            to._l = from._l;
236        }
237        if (!isUndefined(from._strict)) {
238            to._strict = from._strict;
239        }
240        if (!isUndefined(from._tzm)) {
241            to._tzm = from._tzm;
242        }
243        if (!isUndefined(from._isUTC)) {
244            to._isUTC = from._isUTC;
245        }
246        if (!isUndefined(from._offset)) {
247            to._offset = from._offset;
248        }
249        if (!isUndefined(from._pf)) {
250            to._pf = getParsingFlags(from);
251        }
252        if (!isUndefined(from._locale)) {
253            to._locale = from._locale;
254        }
255
256        if (momentPropertiesLen > 0) {
257            for (i = 0; i < momentPropertiesLen; i++) {
258                prop = momentProperties[i];
259                val = from[prop];
260                if (!isUndefined(val)) {
261                    to[prop] = val;
262                }
263            }
264        }
265
266        return to;
267    }
268
269    // Moment prototype object
270    function Moment(config) {
271        copyConfig(this, config);
272        this._d = new Date(config._d != null ? config._d.getTime() : NaN);
273        if (!this.isValid()) {
274            this._d = new Date(NaN);
275        }
276        // Prevent infinite loop in case updateOffset creates new moment
277        // objects.
278        if (updateInProgress === false) {
279            updateInProgress = true;
280            hooks.updateOffset(this);
281            updateInProgress = false;
282        }
283    }
284
285    function isMoment(obj) {
286        return (
287            obj instanceof Moment || (obj != null && obj._isAMomentObject != null)
288        );
289    }
290
291    function warn(msg) {
292        if (
293            hooks.suppressDeprecationWarnings === false &&
294            typeof console !== 'undefined' &&
295            console.warn
296        ) {
297            console.warn('Deprecation warning: ' + msg);
298        }
299    }
300
301    function deprecate(msg, fn) {
302        var firstTime = true;
303
304        return extend(function () {
305            if (hooks.deprecationHandler != null) {
306                hooks.deprecationHandler(null, msg);
307            }
308            if (firstTime) {
309                var args = [],
310                    arg,
311                    i,
312                    key,
313                    argLen = arguments.length;
314                for (i = 0; i < argLen; i++) {
315                    arg = '';
316                    if (typeof arguments[i] === 'object') {
317                        arg += '\n[' + i + '] ';
318                        for (key in arguments[0]) {
319                            if (hasOwnProp(arguments[0], key)) {
320                                arg += key + ': ' + arguments[0][key] + ', ';
321                            }
322                        }
323                        arg = arg.slice(0, -2); // Remove trailing comma and space
324                    } else {
325                        arg = arguments[i];
326                    }
327                    args.push(arg);
328                }
329                warn(
330                    msg +
331                        '\nArguments: ' +
332                        Array.prototype.slice.call(args).join('') +
333                        '\n' +
334                        new Error().stack
335                );
336                firstTime = false;
337            }
338            return fn.apply(this, arguments);
339        }, fn);
340    }
341
342    var deprecations = {};
343
344    function deprecateSimple(name, msg) {
345        if (hooks.deprecationHandler != null) {
346            hooks.deprecationHandler(name, msg);
347        }
348        if (!deprecations[name]) {
349            warn(msg);
350            deprecations[name] = true;
351        }
352    }
353
354    hooks.suppressDeprecationWarnings = false;
355    hooks.deprecationHandler = null;
356
357    function isFunction(input) {
358        return (
359            (typeof Function !== 'undefined' && input instanceof Function) ||
360            Object.prototype.toString.call(input) === '[object Function]'
361        );
362    }
363
364    function set(config) {
365        var prop, i;
366        for (i in config) {
367            if (hasOwnProp(config, i)) {
368                prop = config[i];
369                if (isFunction(prop)) {
370                    this[i] = prop;
371                } else {
372                    this['_' + i] = prop;
373                }
374            }
375        }
376        this._config = config;
377        // Lenient ordinal parsing accepts just a number in addition to
378        // number + (possibly) stuff coming from _dayOfMonthOrdinalParse.
379        // TODO: Remove "ordinalParse" fallback in next major release.
380        this._dayOfMonthOrdinalParseLenient = new RegExp(
381            (this._dayOfMonthOrdinalParse.source || this._ordinalParse.source) +
382                '|' +
383                /\d{1,2}/.source
384        );
385    }
386
387    function mergeConfigs(parentConfig, childConfig) {
388        var res = extend({}, parentConfig),
389            prop;
390        for (prop in childConfig) {
391            if (hasOwnProp(childConfig, prop)) {
392                if (isObject(parentConfig[prop]) && isObject(childConfig[prop])) {
393                    res[prop] = {};
394                    extend(res[prop], parentConfig[prop]);
395                    extend(res[prop], childConfig[prop]);
396                } else if (childConfig[prop] != null) {
397                    res[prop] = childConfig[prop];
398                } else {
399                    delete res[prop];
400                }
401            }
402        }
403        for (prop in parentConfig) {
404            if (
405                hasOwnProp(parentConfig, prop) &&
406                !hasOwnProp(childConfig, prop) &&
407                isObject(parentConfig[prop])
408            ) {
409                // make sure changes to properties don't modify parent config
410                res[prop] = extend({}, res[prop]);
411            }
412        }
413        return res;
414    }
415
416    function Locale(config) {
417        if (config != null) {
418            this.set(config);
419        }
420    }
421
422    var keys;
423
424    if (Object.keys) {
425        keys = Object.keys;
426    } else {
427        keys = function (obj) {
428            var i,
429                res = [];
430            for (i in obj) {
431                if (hasOwnProp(obj, i)) {
432                    res.push(i);
433                }
434            }
435            return res;
436        };
437    }
438
439    var defaultCalendar = {
440        sameDay: '[Today at] LT',
441        nextDay: '[Tomorrow at] LT',
442        nextWeek: 'dddd [at] LT',
443        lastDay: '[Yesterday at] LT',
444        lastWeek: '[Last] dddd [at] LT',
445        sameElse: 'L',
446    };
447
448    function calendar(key, mom, now) {
449        var output = this._calendar[key] || this._calendar['sameElse'];
450        return isFunction(output) ? output.call(mom, now) : output;
451    }
452
453    function zeroFill(number, targetLength, forceSign) {
454        var absNumber = '' + Math.abs(number),
455            zerosToFill = targetLength - absNumber.length,
456            sign = number >= 0;
457        return (
458            (sign ? (forceSign ? '+' : '') : '-') +
459            Math.pow(10, Math.max(0, zerosToFill)).toString().substr(1) +
460            absNumber
461        );
462    }
463
464    var formattingTokens =
465            /(\[[^\[]*\])|(\\)?([Hh]mm(ss)?|Mo|MM?M?M?|Do|DDDo|DD?D?D?|ddd?d?|do?|w[o|w]?|W[o|W]?|Qo?|N{1,5}|YYYYYY|YYYYY|YYYY|YY|y{2,4}|yo?|gg(ggg?)?|GG(GGG?)?|e|E|a|A|hh?|HH?|kk?|mm?|ss?|S{1,9}|x|X|zz?|ZZ?|.)/g,
466        localFormattingTokens = /(\[[^\[]*\])|(\\)?(LTS|LT|LL?L?L?|l{1,4})/g,
467        formatFunctions = {},
468        formatTokenFunctions = {};
469
470    // token:    'M'
471    // padded:   ['MM', 2]
472    // ordinal:  'Mo'
473    // callback: function () { this.month() + 1 }
474    function addFormatToken(token, padded, ordinal, callback) {
475        var func = callback;
476        if (typeof callback === 'string') {
477            func = function () {
478                return this[callback]();
479            };
480        }
481        if (token) {
482            formatTokenFunctions[token] = func;
483        }
484        if (padded) {
485            formatTokenFunctions[padded[0]] = function () {
486                return zeroFill(func.apply(this, arguments), padded[1], padded[2]);
487            };
488        }
489        if (ordinal) {
490            formatTokenFunctions[ordinal] = function () {
491                return this.localeData().ordinal(
492                    func.apply(this, arguments),
493                    token
494                );
495            };
496        }
497    }
498
499    function removeFormattingTokens(input) {
500        if (input.match(/\[[\s\S]/)) {
501            return input.replace(/^\[|\]$/g, '');
502        }
503        return input.replace(/\\/g, '');
504    }
505
506    function makeFormatFunction(format) {
507        var array = format.match(formattingTokens),
508            i,
509            length;
510
511        for (i = 0, length = array.length; i < length; i++) {
512            if (formatTokenFunctions[array[i]]) {
513                array[i] = formatTokenFunctions[array[i]];
514            } else {
515                array[i] = removeFormattingTokens(array[i]);
516            }
517        }
518
519        return function (mom) {
520            var output = '',
521                i;
522            for (i = 0; i < length; i++) {
523                output += isFunction(array[i])
524                    ? array[i].call(mom, format)
525                    : array[i];
526            }
527            return output;
528        };
529    }
530
531    // format date using native date object
532    function formatMoment(m, format) {
533        if (!m.isValid()) {
534            return m.localeData().invalidDate();
535        }
536
537        format = expandFormat(format, m.localeData());
538        formatFunctions[format] =
539            formatFunctions[format] || makeFormatFunction(format);
540
541        return formatFunctions[format](m);
542    }
543
544    function expandFormat(format, locale) {
545        var i = 5;
546
547        function replaceLongDateFormatTokens(input) {
548            return locale.longDateFormat(input) || input;
549        }
550
551        localFormattingTokens.lastIndex = 0;
552        while (i >= 0 && localFormattingTokens.test(format)) {
553            format = format.replace(
554                localFormattingTokens,
555                replaceLongDateFormatTokens
556            );
557            localFormattingTokens.lastIndex = 0;
558            i -= 1;
559        }
560
561        return format;
562    }
563
564    var defaultLongDateFormat = {
565        LTS: 'h:mm:ss A',
566        LT: 'h:mm A',
567        L: 'MM/DD/YYYY',
568        LL: 'MMMM D, YYYY',
569        LLL: 'MMMM D, YYYY h:mm A',
570        LLLL: 'dddd, MMMM D, YYYY h:mm A',
571    };
572
573    function longDateFormat(key) {
574        var format = this._longDateFormat[key],
575            formatUpper = this._longDateFormat[key.toUpperCase()];
576
577        if (format || !formatUpper) {
578            return format;
579        }
580
581        this._longDateFormat[key] = formatUpper
582            .match(formattingTokens)
583            .map(function (tok) {
584                if (
585                    tok === 'MMMM' ||
586                    tok === 'MM' ||
587                    tok === 'DD' ||
588                    tok === 'dddd'
589                ) {
590                    return tok.slice(1);
591                }
592                return tok;
593            })
594            .join('');
595
596        return this._longDateFormat[key];
597    }
598
599    var defaultInvalidDate = 'Invalid date';
600
601    function invalidDate() {
602        return this._invalidDate;
603    }
604
605    var defaultOrdinal = '%d',
606        defaultDayOfMonthOrdinalParse = /\d{1,2}/;
607
608    function ordinal(number) {
609        return this._ordinal.replace('%d', number);
610    }
611
612    var defaultRelativeTime = {
613        future: 'in %s',
614        past: '%s ago',
615        s: 'a few seconds',
616        ss: '%d seconds',
617        m: 'a minute',
618        mm: '%d minutes',
619        h: 'an hour',
620        hh: '%d hours',
621        d: 'a day',
622        dd: '%d days',
623        w: 'a week',
624        ww: '%d weeks',
625        M: 'a month',
626        MM: '%d months',
627        y: 'a year',
628        yy: '%d years',
629    };
630
631    function relativeTime(number, withoutSuffix, string, isFuture) {
632        var output = this._relativeTime[string];
633        return isFunction(output)
634            ? output(number, withoutSuffix, string, isFuture)
635            : output.replace(/%d/i, number);
636    }
637
638    function pastFuture(diff, output) {
639        var format = this._relativeTime[diff > 0 ? 'future' : 'past'];
640        return isFunction(format) ? format(output) : format.replace(/%s/i, output);
641    }
642
643    var aliases = {};
644
645    function addUnitAlias(unit, shorthand) {
646        var lowerCase = unit.toLowerCase();
647        aliases[lowerCase] = aliases[lowerCase + 's'] = aliases[shorthand] = unit;
648    }
649
650    function normalizeUnits(units) {
651        return typeof units === 'string'
652            ? aliases[units] || aliases[units.toLowerCase()]
653            : undefined;
654    }
655
656    function normalizeObjectUnits(inputObject) {
657        var normalizedInput = {},
658            normalizedProp,
659            prop;
660
661        for (prop in inputObject) {
662            if (hasOwnProp(inputObject, prop)) {
663                normalizedProp = normalizeUnits(prop);
664                if (normalizedProp) {
665                    normalizedInput[normalizedProp] = inputObject[prop];
666                }
667            }
668        }
669
670        return normalizedInput;
671    }
672
673    var priorities = {};
674
675    function addUnitPriority(unit, priority) {
676        priorities[unit] = priority;
677    }
678
679    function getPrioritizedUnits(unitsObj) {
680        var units = [],
681            u;
682        for (u in unitsObj) {
683            if (hasOwnProp(unitsObj, u)) {
684                units.push({ unit: u, priority: priorities[u] });
685            }
686        }
687        units.sort(function (a, b) {
688            return a.priority - b.priority;
689        });
690        return units;
691    }
692
693    function isLeapYear(year) {
694        return (year % 4 === 0 && year % 100 !== 0) || year % 400 === 0;
695    }
696
697    function absFloor(number) {
698        if (number < 0) {
699            // -0 -> 0
700            return Math.ceil(number) || 0;
701        } else {
702            return Math.floor(number);
703        }
704    }
705
706    function toInt(argumentForCoercion) {
707        var coercedNumber = +argumentForCoercion,
708            value = 0;
709
710        if (coercedNumber !== 0 && isFinite(coercedNumber)) {
711            value = absFloor(coercedNumber);
712        }
713
714        return value;
715    }
716
717    function makeGetSet(unit, keepTime) {
718        return function (value) {
719            if (value != null) {
720                set$1(this, unit, value);
721                hooks.updateOffset(this, keepTime);
722                return this;
723            } else {
724                return get(this, unit);
725            }
726        };
727    }
728
729    function get(mom, unit) {
730        return mom.isValid()
731            ? mom._d['get' + (mom._isUTC ? 'UTC' : '') + unit]()
732            : NaN;
733    }
734
735    function set$1(mom, unit, value) {
736        if (mom.isValid() && !isNaN(value)) {
737            if (
738                unit === 'FullYear' &&
739                isLeapYear(mom.year()) &&
740                mom.month() === 1 &&
741                mom.date() === 29
742            ) {
743                value = toInt(value);
744                mom._d['set' + (mom._isUTC ? 'UTC' : '') + unit](
745                    value,
746                    mom.month(),
747                    daysInMonth(value, mom.month())
748                );
749            } else {
750                mom._d['set' + (mom._isUTC ? 'UTC' : '') + unit](value);
751            }
752        }
753    }
754
755    // MOMENTS
756
757    function stringGet(units) {
758        units = normalizeUnits(units);
759        if (isFunction(this[units])) {
760            return this[units]();
761        }
762        return this;
763    }
764
765    function stringSet(units, value) {
766        if (typeof units === 'object') {
767            units = normalizeObjectUnits(units);
768            var prioritized = getPrioritizedUnits(units),
769                i,
770                prioritizedLen = prioritized.length;
771            for (i = 0; i < prioritizedLen; i++) {
772                this[prioritized[i].unit](units[prioritized[i].unit]);
773            }
774        } else {
775            units = normalizeUnits(units);
776            if (isFunction(this[units])) {
777                return this[units](value);
778            }
779        }
780        return this;
781    }
782
783    var match1 = /\d/, //       0 - 9
784        match2 = /\d\d/, //      00 - 99
785        match3 = /\d{3}/, //     000 - 999
786        match4 = /\d{4}/, //    0000 - 9999
787        match6 = /[+-]?\d{6}/, // -999999 - 999999
788        match1to2 = /\d\d?/, //       0 - 99
789        match3to4 = /\d\d\d\d?/, //     999 - 9999
790        match5to6 = /\d\d\d\d\d\d?/, //   99999 - 999999
791        match1to3 = /\d{1,3}/, //       0 - 999
792        match1to4 = /\d{1,4}/, //       0 - 9999
793        match1to6 = /[+-]?\d{1,6}/, // -999999 - 999999
794        matchUnsigned = /\d+/, //       0 - inf
795        matchSigned = /[+-]?\d+/, //    -inf - inf
796        matchOffset = /Z|[+-]\d\d:?\d\d/gi, // +00:00 -00:00 +0000 -0000 or Z
797        matchShortOffset = /Z|[+-]\d\d(?::?\d\d)?/gi, // +00 -00 +00:00 -00:00 +0000 -0000 or Z
798        matchTimestamp = /[+-]?\d+(\.\d{1,3})?/, // 123456789 123456789.123
799        // any word (or two) characters or numbers including two/three word month in arabic.
800        // includes scottish gaelic two word and hyphenated months
801        matchWord =
802            /[0-9]{0,256}['a-z\u00A0-\u05FF\u0700-\uD7FF\uF900-\uFDCF\uFDF0-\uFF07\uFF10-\uFFEF]{1,256}|[\u0600-\u06FF\/]{1,256}(\s*?[\u0600-\u06FF]{1,256}){1,2}/i,
803        regexes;
804
805    regexes = {};
806
807    function addRegexToken(token, regex, strictRegex) {
808        regexes[token] = isFunction(regex)
809            ? regex
810            : function (isStrict, localeData) {
811                  return isStrict && strictRegex ? strictRegex : regex;
812              };
813    }
814
815    function getParseRegexForToken(token, config) {
816        if (!hasOwnProp(regexes, token)) {
817            return new RegExp(unescapeFormat(token));
818        }
819
820        return regexes[token](config._strict, config._locale);
821    }
822
823    // Code from http://stackoverflow.com/questions/3561493/is-there-a-regexp-escape-function-in-javascript
824    function unescapeFormat(s) {
825        return regexEscape(
826            s
827                .replace('\\', '')
828                .replace(
829                    /\\(\[)|\\(\])|\[([^\]\[]*)\]|\\(.)/g,
830                    function (matched, p1, p2, p3, p4) {
831                        return p1 || p2 || p3 || p4;
832                    }
833                )
834        );
835    }
836
837    function regexEscape(s) {
838        return s.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&');
839    }
840
841    var tokens = {};
842
843    function addParseToken(token, callback) {
844        var i,
845            func = callback,
846            tokenLen;
847        if (typeof token === 'string') {
848            token = [token];
849        }
850        if (isNumber(callback)) {
851            func = function (input, array) {
852                array[callback] = toInt(input);
853            };
854        }
855        tokenLen = token.length;
856        for (i = 0; i < tokenLen; i++) {
857            tokens[token[i]] = func;
858        }
859    }
860
861    function addWeekParseToken(token, callback) {
862        addParseToken(token, function (input, array, config, token) {
863            config._w = config._w || {};
864            callback(input, config._w, config, token);
865        });
866    }
867
868    function addTimeToArrayFromToken(token, input, config) {
869        if (input != null && hasOwnProp(tokens, token)) {
870            tokens[token](input, config._a, config, token);
871        }
872    }
873
874    var YEAR = 0,
875        MONTH = 1,
876        DATE = 2,
877        HOUR = 3,
878        MINUTE = 4,
879        SECOND = 5,
880        MILLISECOND = 6,
881        WEEK = 7,
882        WEEKDAY = 8;
883
884    function mod(n, x) {
885        return ((n % x) + x) % x;
886    }
887
888    var indexOf;
889
890    if (Array.prototype.indexOf) {
891        indexOf = Array.prototype.indexOf;
892    } else {
893        indexOf = function (o) {
894            // I know
895            var i;
896            for (i = 0; i < this.length; ++i) {
897                if (this[i] === o) {
898                    return i;
899                }
900            }
901            return -1;
902        };
903    }
904
905    function daysInMonth(year, month) {
906        if (isNaN(year) || isNaN(month)) {
907            return NaN;
908        }
909        var modMonth = mod(month, 12);
910        year += (month - modMonth) / 12;
911        return modMonth === 1
912            ? isLeapYear(year)
913                ? 29
914                : 28
915            : 31 - ((modMonth % 7) % 2);
916    }
917
918    // FORMATTING
919
920    addFormatToken('M', ['MM', 2], 'Mo', function () {
921        return this.month() + 1;
922    });
923
924    addFormatToken('MMM', 0, 0, function (format) {
925        return this.localeData().monthsShort(this, format);
926    });
927
928    addFormatToken('MMMM', 0, 0, function (format) {
929        return this.localeData().months(this, format);
930    });
931
932    // ALIASES
933
934    addUnitAlias('month', 'M');
935
936    // PRIORITY
937
938    addUnitPriority('month', 8);
939
940    // PARSING
941
942    addRegexToken('M', match1to2);
943    addRegexToken('MM', match1to2, match2);
944    addRegexToken('MMM', function (isStrict, locale) {
945        return locale.monthsShortRegex(isStrict);
946    });
947    addRegexToken('MMMM', function (isStrict, locale) {
948        return locale.monthsRegex(isStrict);
949    });
950
951    addParseToken(['M', 'MM'], function (input, array) {
952        array[MONTH] = toInt(input) - 1;
953    });
954
955    addParseToken(['MMM', 'MMMM'], function (input, array, config, token) {
956        var month = config._locale.monthsParse(input, token, config._strict);
957        // if we didn't find a month name, mark the date as invalid.
958        if (month != null) {
959            array[MONTH] = month;
960        } else {
961            getParsingFlags(config).invalidMonth = input;
962        }
963    });
964
965    // LOCALES
966
967    var defaultLocaleMonths =
968            'January_February_March_April_May_June_July_August_September_October_November_December'.split(
969                '_'
970            ),
971        defaultLocaleMonthsShort =
972            'Jan_Feb_Mar_Apr_May_Jun_Jul_Aug_Sep_Oct_Nov_Dec'.split('_'),
973        MONTHS_IN_FORMAT = /D[oD]?(\[[^\[\]]*\]|\s)+MMMM?/,
974        defaultMonthsShortRegex = matchWord,
975        defaultMonthsRegex = matchWord;
976
977    function localeMonths(m, format) {
978        if (!m) {
979            return isArray(this._months)
980                ? this._months
981                : this._months['standalone'];
982        }
983        return isArray(this._months)
984            ? this._months[m.month()]
985            : this._months[
986                  (this._months.isFormat || MONTHS_IN_FORMAT).test(format)
987                      ? 'format'
988                      : 'standalone'
989              ][m.month()];
990    }
991
992    function localeMonthsShort(m, format) {
993        if (!m) {
994            return isArray(this._monthsShort)
995                ? this._monthsShort
996                : this._monthsShort['standalone'];
997        }
998        return isArray(this._monthsShort)
999            ? this._monthsShort[m.month()]
1000            : this._monthsShort[
1001                  MONTHS_IN_FORMAT.test(format) ? 'format' : 'standalone'
1002              ][m.month()];
1003    }
1004
1005    function handleStrictParse(monthName, format, strict) {
1006        var i,
1007            ii,
1008            mom,
1009            llc = monthName.toLocaleLowerCase();
1010        if (!this._monthsParse) {
1011            // this is not used
1012            this._monthsParse = [];
1013            this._longMonthsParse = [];
1014            this._shortMonthsParse = [];
1015            for (i = 0; i < 12; ++i) {
1016                mom = createUTC([2000, i]);
1017                this._shortMonthsParse[i] = this.monthsShort(
1018                    mom,
1019                    ''
1020                ).toLocaleLowerCase();
1021                this._longMonthsParse[i] = this.months(mom, '').toLocaleLowerCase();
1022            }
1023        }
1024
1025        if (strict) {
1026            if (format === 'MMM') {
1027                ii = indexOf.call(this._shortMonthsParse, llc);
1028                return ii !== -1 ? ii : null;
1029            } else {
1030                ii = indexOf.call(this._longMonthsParse, llc);
1031                return ii !== -1 ? ii : null;
1032            }
1033        } else {
1034            if (format === 'MMM') {
1035                ii = indexOf.call(this._shortMonthsParse, llc);
1036                if (ii !== -1) {
1037                    return ii;
1038                }
1039                ii = indexOf.call(this._longMonthsParse, llc);
1040                return ii !== -1 ? ii : null;
1041            } else {
1042                ii = indexOf.call(this._longMonthsParse, llc);
1043                if (ii !== -1) {
1044                    return ii;
1045                }
1046                ii = indexOf.call(this._shortMonthsParse, llc);
1047                return ii !== -1 ? ii : null;
1048            }
1049        }
1050    }
1051
1052    function localeMonthsParse(monthName, format, strict) {
1053        var i, mom, regex;
1054
1055        if (this._monthsParseExact) {
1056            return handleStrictParse.call(this, monthName, format, strict);
1057        }
1058
1059        if (!this._monthsParse) {
1060            this._monthsParse = [];
1061            this._longMonthsParse = [];
1062            this._shortMonthsParse = [];
1063        }
1064
1065        // TODO: add sorting
1066        // Sorting makes sure if one month (or abbr) is a prefix of another
1067        // see sorting in computeMonthsParse
1068        for (i = 0; i < 12; i++) {
1069            // make the regex if we don't have it already
1070            mom = createUTC([2000, i]);
1071            if (strict && !this._longMonthsParse[i]) {
1072                this._longMonthsParse[i] = new RegExp(
1073                    '^' + this.months(mom, '').replace('.', '') + '$',
1074                    'i'
1075                );
1076                this._shortMonthsParse[i] = new RegExp(
1077                    '^' + this.monthsShort(mom, '').replace('.', '') + '$',
1078                    'i'
1079                );
1080            }
1081            if (!strict && !this._monthsParse[i]) {
1082                regex =
1083                    '^' + this.months(mom, '') + '|^' + this.monthsShort(mom, '');
1084                this._monthsParse[i] = new RegExp(regex.replace('.', ''), 'i');
1085            }
1086            // test the regex
1087            if (
1088                strict &&
1089                format === 'MMMM' &&
1090                this._longMonthsParse[i].test(monthName)
1091            ) {
1092                return i;
1093            } else if (
1094                strict &&
1095                format === 'MMM' &&
1096                this._shortMonthsParse[i].test(monthName)
1097            ) {
1098                return i;
1099            } else if (!strict && this._monthsParse[i].test(monthName)) {
1100                return i;
1101            }
1102        }
1103    }
1104
1105    // MOMENTS
1106
1107    function setMonth(mom, value) {
1108        var dayOfMonth;
1109
1110        if (!mom.isValid()) {
1111            // No op
1112            return mom;
1113        }
1114
1115        if (typeof value === 'string') {
1116            if (/^\d+$/.test(value)) {
1117                value = toInt(value);
1118            } else {
1119                value = mom.localeData().monthsParse(value);
1120                // TODO: Another silent failure?
1121                if (!isNumber(value)) {
1122                    return mom;
1123                }
1124            }
1125        }
1126
1127        dayOfMonth = Math.min(mom.date(), daysInMonth(mom.year(), value));
1128        mom._d['set' + (mom._isUTC ? 'UTC' : '') + 'Month'](value, dayOfMonth);
1129        return mom;
1130    }
1131
1132    function getSetMonth(value) {
1133        if (value != null) {
1134            setMonth(this, value);
1135            hooks.updateOffset(this, true);
1136            return this;
1137        } else {
1138            return get(this, 'Month');
1139        }
1140    }
1141
1142    function getDaysInMonth() {
1143        return daysInMonth(this.year(), this.month());
1144    }
1145
1146    function monthsShortRegex(isStrict) {
1147        if (this._monthsParseExact) {
1148            if (!hasOwnProp(this, '_monthsRegex')) {
1149                computeMonthsParse.call(this);
1150            }
1151            if (isStrict) {
1152                return this._monthsShortStrictRegex;
1153            } else {
1154                return this._monthsShortRegex;
1155            }
1156        } else {
1157            if (!hasOwnProp(this, '_monthsShortRegex')) {
1158                this._monthsShortRegex = defaultMonthsShortRegex;
1159            }
1160            return this._monthsShortStrictRegex && isStrict
1161                ? this._monthsShortStrictRegex
1162                : this._monthsShortRegex;
1163        }
1164    }
1165
1166    function monthsRegex(isStrict) {
1167        if (this._monthsParseExact) {
1168            if (!hasOwnProp(this, '_monthsRegex')) {
1169                computeMonthsParse.call(this);
1170            }
1171            if (isStrict) {
1172                return this._monthsStrictRegex;
1173            } else {
1174                return this._monthsRegex;
1175            }
1176        } else {
1177            if (!hasOwnProp(this, '_monthsRegex')) {
1178                this._monthsRegex = defaultMonthsRegex;
1179            }
1180            return this._monthsStrictRegex && isStrict
1181                ? this._monthsStrictRegex
1182                : this._monthsRegex;
1183        }
1184    }
1185
1186    function computeMonthsParse() {
1187        function cmpLenRev(a, b) {
1188            return b.length - a.length;
1189        }
1190
1191        var shortPieces = [],
1192            longPieces = [],
1193            mixedPieces = [],
1194            i,
1195            mom;
1196        for (i = 0; i < 12; i++) {
1197            // make the regex if we don't have it already
1198            mom = createUTC([2000, i]);
1199            shortPieces.push(this.monthsShort(mom, ''));
1200            longPieces.push(this.months(mom, ''));
1201            mixedPieces.push(this.months(mom, ''));
1202            mixedPieces.push(this.monthsShort(mom, ''));
1203        }
1204        // Sorting makes sure if one month (or abbr) is a prefix of another it
1205        // will match the longer piece.
1206        shortPieces.sort(cmpLenRev);
1207        longPieces.sort(cmpLenRev);
1208        mixedPieces.sort(cmpLenRev);
1209        for (i = 0; i < 12; i++) {
1210            shortPieces[i] = regexEscape(shortPieces[i]);
1211            longPieces[i] = regexEscape(longPieces[i]);
1212        }
1213        for (i = 0; i < 24; i++) {
1214            mixedPieces[i] = regexEscape(mixedPieces[i]);
1215        }
1216
1217        this._monthsRegex = new RegExp('^(' + mixedPieces.join('|') + ')', 'i');
1218        this._monthsShortRegex = this._monthsRegex;
1219        this._monthsStrictRegex = new RegExp(
1220            '^(' + longPieces.join('|') + ')',
1221            'i'
1222        );
1223        this._monthsShortStrictRegex = new RegExp(
1224            '^(' + shortPieces.join('|') + ')',
1225            'i'
1226        );
1227    }
1228
1229    // FORMATTING
1230
1231    addFormatToken('Y', 0, 0, function () {
1232        var y = this.year();
1233        return y <= 9999 ? zeroFill(y, 4) : '+' + y;
1234    });
1235
1236    addFormatToken(0, ['YY', 2], 0, function () {
1237        return this.year() % 100;
1238    });
1239
1240    addFormatToken(0, ['YYYY', 4], 0, 'year');
1241    addFormatToken(0, ['YYYYY', 5], 0, 'year');
1242    addFormatToken(0, ['YYYYYY', 6, true], 0, 'year');
1243
1244    // ALIASES
1245
1246    addUnitAlias('year', 'y');
1247
1248    // PRIORITIES
1249
1250    addUnitPriority('year', 1);
1251
1252    // PARSING
1253
1254    addRegexToken('Y', matchSigned);
1255    addRegexToken('YY', match1to2, match2);
1256    addRegexToken('YYYY', match1to4, match4);
1257    addRegexToken('YYYYY', match1to6, match6);
1258    addRegexToken('YYYYYY', match1to6, match6);
1259
1260    addParseToken(['YYYYY', 'YYYYYY'], YEAR);
1261    addParseToken('YYYY', function (input, array) {
1262        array[YEAR] =
1263            input.length === 2 ? hooks.parseTwoDigitYear(input) : toInt(input);
1264    });
1265    addParseToken('YY', function (input, array) {
1266        array[YEAR] = hooks.parseTwoDigitYear(input);
1267    });
1268    addParseToken('Y', function (input, array) {
1269        array[YEAR] = parseInt(input, 10);
1270    });
1271
1272    // HELPERS
1273
1274    function daysInYear(year) {
1275        return isLeapYear(year) ? 366 : 365;
1276    }
1277
1278    // HOOKS
1279
1280    hooks.parseTwoDigitYear = function (input) {
1281        return toInt(input) + (toInt(input) > 68 ? 1900 : 2000);
1282    };
1283
1284    // MOMENTS
1285
1286    var getSetYear = makeGetSet('FullYear', true);
1287
1288    function getIsLeapYear() {
1289        return isLeapYear(this.year());
1290    }
1291
1292    function createDate(y, m, d, h, M, s, ms) {
1293        // can't just apply() to create a date:
1294        // https://stackoverflow.com/q/181348
1295        var date;
1296        // the date constructor remaps years 0-99 to 1900-1999
1297        if (y < 100 && y >= 0) {
1298            // preserve leap years using a full 400 year cycle, then reset
1299            date = new Date(y + 400, m, d, h, M, s, ms);
1300            if (isFinite(date.getFullYear())) {
1301                date.setFullYear(y);
1302            }
1303        } else {
1304            date = new Date(y, m, d, h, M, s, ms);
1305        }
1306
1307        return date;
1308    }
1309
1310    function createUTCDate(y) {
1311        var date, args;
1312        // the Date.UTC function remaps years 0-99 to 1900-1999
1313        if (y < 100 && y >= 0) {
1314            args = Array.prototype.slice.call(arguments);
1315            // preserve leap years using a full 400 year cycle, then reset
1316            args[0] = y + 400;
1317            date = new Date(Date.UTC.apply(null, args));
1318            if (isFinite(date.getUTCFullYear())) {
1319                date.setUTCFullYear(y);
1320            }
1321        } else {
1322            date = new Date(Date.UTC.apply(null, arguments));
1323        }
1324
1325        return date;
1326    }
1327
1328    // start-of-first-week - start-of-year
1329    function firstWeekOffset(year, dow, doy) {
1330        var // first-week day -- which january is always in the first week (4 for iso, 1 for other)
1331            fwd = 7 + dow - doy,
1332            // first-week day local weekday -- which local weekday is fwd
1333            fwdlw = (7 + createUTCDate(year, 0, fwd).getUTCDay() - dow) % 7;
1334
1335        return -fwdlw + fwd - 1;
1336    }
1337
1338    // https://en.wikipedia.org/wiki/ISO_week_date#Calculating_a_date_given_the_year.2C_week_number_and_weekday
1339    function dayOfYearFromWeeks(year, week, weekday, dow, doy) {
1340        var localWeekday = (7 + weekday - dow) % 7,
1341            weekOffset = firstWeekOffset(year, dow, doy),
1342            dayOfYear = 1 + 7 * (week - 1) + localWeekday + weekOffset,
1343            resYear,
1344            resDayOfYear;
1345
1346        if (dayOfYear <= 0) {
1347            resYear = year - 1;
1348            resDayOfYear = daysInYear(resYear) + dayOfYear;
1349        } else if (dayOfYear > daysInYear(year)) {
1350            resYear = year + 1;
1351            resDayOfYear = dayOfYear - daysInYear(year);
1352        } else {
1353            resYear = year;
1354            resDayOfYear = dayOfYear;
1355        }
1356
1357        return {
1358            year: resYear,
1359            dayOfYear: resDayOfYear,
1360        };
1361    }
1362
1363    function weekOfYear(mom, dow, doy) {
1364        var weekOffset = firstWeekOffset(mom.year(), dow, doy),
1365            week = Math.floor((mom.dayOfYear() - weekOffset - 1) / 7) + 1,
1366            resWeek,
1367            resYear;
1368
1369        if (week < 1) {
1370            resYear = mom.year() - 1;
1371            resWeek = week + weeksInYear(resYear, dow, doy);
1372        } else if (week > weeksInYear(mom.year(), dow, doy)) {
1373            resWeek = week - weeksInYear(mom.year(), dow, doy);
1374            resYear = mom.year() + 1;
1375        } else {
1376            resYear = mom.year();
1377            resWeek = week;
1378        }
1379
1380        return {
1381            week: resWeek,
1382            year: resYear,
1383        };
1384    }
1385
1386    function weeksInYear(year, dow, doy) {
1387        var weekOffset = firstWeekOffset(year, dow, doy),
1388            weekOffsetNext = firstWeekOffset(year + 1, dow, doy);
1389        return (daysInYear(year) - weekOffset + weekOffsetNext) / 7;
1390    }
1391
1392    // FORMATTING
1393
1394    addFormatToken('w', ['ww', 2], 'wo', 'week');
1395    addFormatToken('W', ['WW', 2], 'Wo', 'isoWeek');
1396
1397    // ALIASES
1398
1399    addUnitAlias('week', 'w');
1400    addUnitAlias('isoWeek', 'W');
1401
1402    // PRIORITIES
1403
1404    addUnitPriority('week', 5);
1405    addUnitPriority('isoWeek', 5);
1406
1407    // PARSING
1408
1409    addRegexToken('w', match1to2);
1410    addRegexToken('ww', match1to2, match2);
1411    addRegexToken('W', match1to2);
1412    addRegexToken('WW', match1to2, match2);
1413
1414    addWeekParseToken(
1415        ['w', 'ww', 'W', 'WW'],
1416        function (input, week, config, token) {
1417            week[token.substr(0, 1)] = toInt(input);
1418        }
1419    );
1420
1421    // HELPERS
1422
1423    // LOCALES
1424
1425    function localeWeek(mom) {
1426        return weekOfYear(mom, this._week.dow, this._week.doy).week;
1427    }
1428
1429    var defaultLocaleWeek = {
1430        dow: 0, // Sunday is the first day of the week.
1431        doy: 6, // The week that contains Jan 6th is the first week of the year.
1432    };
1433
1434    function localeFirstDayOfWeek() {
1435        return this._week.dow;
1436    }
1437
1438    function localeFirstDayOfYear() {
1439        return this._week.doy;
1440    }
1441
1442    // MOMENTS
1443
1444    function getSetWeek(input) {
1445        var week = this.localeData().week(this);
1446        return input == null ? week : this.add((input - week) * 7, 'd');
1447    }
1448
1449    function getSetISOWeek(input) {
1450        var week = weekOfYear(this, 1, 4).week;
1451        return input == null ? week : this.add((input - week) * 7, 'd');
1452    }
1453
1454    // FORMATTING
1455
1456    addFormatToken('d', 0, 'do', 'day');
1457
1458    addFormatToken('dd', 0, 0, function (format) {
1459        return this.localeData().weekdaysMin(this, format);
1460    });
1461
1462    addFormatToken('ddd', 0, 0, function (format) {
1463        return this.localeData().weekdaysShort(this, format);
1464    });
1465
1466    addFormatToken('dddd', 0, 0, function (format) {
1467        return this.localeData().weekdays(this, format);
1468    });
1469
1470    addFormatToken('e', 0, 0, 'weekday');
1471    addFormatToken('E', 0, 0, 'isoWeekday');
1472
1473    // ALIASES
1474
1475    addUnitAlias('day', 'd');
1476    addUnitAlias('weekday', 'e');
1477    addUnitAlias('isoWeekday', 'E');
1478
1479    // PRIORITY
1480    addUnitPriority('day', 11);
1481    addUnitPriority('weekday', 11);
1482    addUnitPriority('isoWeekday', 11);
1483
1484    // PARSING
1485
1486    addRegexToken('d', match1to2);
1487    addRegexToken('e', match1to2);
1488    addRegexToken('E', match1to2);
1489    addRegexToken('dd', function (isStrict, locale) {
1490        return locale.weekdaysMinRegex(isStrict);
1491    });
1492    addRegexToken('ddd', function (isStrict, locale) {
1493        return locale.weekdaysShortRegex(isStrict);
1494    });
1495    addRegexToken('dddd', function (isStrict, locale) {
1496        return locale.weekdaysRegex(isStrict);
1497    });
1498
1499    addWeekParseToken(['dd', 'ddd', 'dddd'], function (input, week, config, token) {
1500        var weekday = config._locale.weekdaysParse(input, token, config._strict);
1501        // if we didn't get a weekday name, mark the date as invalid
1502        if (weekday != null) {
1503            week.d = weekday;
1504        } else {
1505            getParsingFlags(config).invalidWeekday = input;
1506        }
1507    });
1508
1509    addWeekParseToken(['d', 'e', 'E'], function (input, week, config, token) {
1510        week[token] = toInt(input);
1511    });
1512
1513    // HELPERS
1514
1515    function parseWeekday(input, locale) {
1516        if (typeof input !== 'string') {
1517            return input;
1518        }
1519
1520        if (!isNaN(input)) {
1521            return parseInt(input, 10);
1522        }
1523
1524        input = locale.weekdaysParse(input);
1525        if (typeof input === 'number') {
1526            return input;
1527        }
1528
1529        return null;
1530    }
1531
1532    function parseIsoWeekday(input, locale) {
1533        if (typeof input === 'string') {
1534            return locale.weekdaysParse(input) % 7 || 7;
1535        }
1536        return isNaN(input) ? null : input;
1537    }
1538
1539    // LOCALES
1540    function shiftWeekdays(ws, n) {
1541        return ws.slice(n, 7).concat(ws.slice(0, n));
1542    }
1543
1544    var defaultLocaleWeekdays =
1545            'Sunday_Monday_Tuesday_Wednesday_Thursday_Friday_Saturday'.split('_'),
1546        defaultLocaleWeekdaysShort = 'Sun_Mon_Tue_Wed_Thu_Fri_Sat'.split('_'),
1547        defaultLocaleWeekdaysMin = 'Su_Mo_Tu_We_Th_Fr_Sa'.split('_'),
1548        defaultWeekdaysRegex = matchWord,
1549        defaultWeekdaysShortRegex = matchWord,
1550        defaultWeekdaysMinRegex = matchWord;
1551
1552    function localeWeekdays(m, format) {
1553        var weekdays = isArray(this._weekdays)
1554            ? this._weekdays
1555            : this._weekdays[
1556                  m && m !== true && this._weekdays.isFormat.test(format)
1557                      ? 'format'
1558                      : 'standalone'
1559              ];
1560        return m === true
1561            ? shiftWeekdays(weekdays, this._week.dow)
1562            : m
1563            ? weekdays[m.day()]
1564            : weekdays;
1565    }
1566
1567    function localeWeekdaysShort(m) {
1568        return m === true
1569            ? shiftWeekdays(this._weekdaysShort, this._week.dow)
1570            : m
1571            ? this._weekdaysShort[m.day()]
1572            : this._weekdaysShort;
1573    }
1574
1575    function localeWeekdaysMin(m) {
1576        return m === true
1577            ? shiftWeekdays(this._weekdaysMin, this._week.dow)
1578            : m
1579            ? this._weekdaysMin[m.day()]
1580            : this._weekdaysMin;
1581    }
1582
1583    function handleStrictParse$1(weekdayName, format, strict) {
1584        var i,
1585            ii,
1586            mom,
1587            llc = weekdayName.toLocaleLowerCase();
1588        if (!this._weekdaysParse) {
1589            this._weekdaysParse = [];
1590            this._shortWeekdaysParse = [];
1591            this._minWeekdaysParse = [];
1592
1593            for (i = 0; i < 7; ++i) {
1594                mom = createUTC([2000, 1]).day(i);
1595                this._minWeekdaysParse[i] = this.weekdaysMin(
1596                    mom,
1597                    ''
1598                ).toLocaleLowerCase();
1599                this._shortWeekdaysParse[i] = this.weekdaysShort(
1600                    mom,
1601                    ''
1602                ).toLocaleLowerCase();
1603                this._weekdaysParse[i] = this.weekdays(mom, '').toLocaleLowerCase();
1604            }
1605        }
1606
1607        if (strict) {
1608            if (format === 'dddd') {
1609                ii = indexOf.call(this._weekdaysParse, llc);
1610                return ii !== -1 ? ii : null;
1611            } else if (format === 'ddd') {
1612                ii = indexOf.call(this._shortWeekdaysParse, llc);
1613                return ii !== -1 ? ii : null;
1614            } else {
1615                ii = indexOf.call(this._minWeekdaysParse, llc);
1616                return ii !== -1 ? ii : null;
1617            }
1618        } else {
1619            if (format === 'dddd') {
1620                ii = indexOf.call(this._weekdaysParse, llc);
1621                if (ii !== -1) {
1622                    return ii;
1623                }
1624                ii = indexOf.call(this._shortWeekdaysParse, llc);
1625                if (ii !== -1) {
1626                    return ii;
1627                }
1628                ii = indexOf.call(this._minWeekdaysParse, llc);
1629                return ii !== -1 ? ii : null;
1630            } else if (format === 'ddd') {
1631                ii = indexOf.call(this._shortWeekdaysParse, llc);
1632                if (ii !== -1) {
1633                    return ii;
1634                }
1635                ii = indexOf.call(this._weekdaysParse, llc);
1636                if (ii !== -1) {
1637                    return ii;
1638                }
1639                ii = indexOf.call(this._minWeekdaysParse, llc);
1640                return ii !== -1 ? ii : null;
1641            } else {
1642                ii = indexOf.call(this._minWeekdaysParse, llc);
1643                if (ii !== -1) {
1644                    return ii;
1645                }
1646                ii = indexOf.call(this._weekdaysParse, llc);
1647                if (ii !== -1) {
1648                    return ii;
1649                }
1650                ii = indexOf.call(this._shortWeekdaysParse, llc);
1651                return ii !== -1 ? ii : null;
1652            }
1653        }
1654    }
1655
1656    function localeWeekdaysParse(weekdayName, format, strict) {
1657        var i, mom, regex;
1658
1659        if (this._weekdaysParseExact) {
1660            return handleStrictParse$1.call(this, weekdayName, format, strict);
1661        }
1662
1663        if (!this._weekdaysParse) {
1664            this._weekdaysParse = [];
1665            this._minWeekdaysParse = [];
1666            this._shortWeekdaysParse = [];
1667            this._fullWeekdaysParse = [];
1668        }
1669
1670        for (i = 0; i < 7; i++) {
1671            // make the regex if we don't have it already
1672
1673            mom = createUTC([2000, 1]).day(i);
1674            if (strict && !this._fullWeekdaysParse[i]) {
1675                this._fullWeekdaysParse[i] = new RegExp(
1676                    '^' + this.weekdays(mom, '').replace('.', '\\.?') + '$',
1677                    'i'
1678                );
1679                this._shortWeekdaysParse[i] = new RegExp(
1680                    '^' + this.weekdaysShort(mom, '').replace('.', '\\.?') + '$',
1681                    'i'
1682                );
1683                this._minWeekdaysParse[i] = new RegExp(
1684                    '^' + this.weekdaysMin(mom, '').replace('.', '\\.?') + '$',
1685                    'i'
1686                );
1687            }
1688            if (!this._weekdaysParse[i]) {
1689                regex =
1690                    '^' +
1691                    this.weekdays(mom, '') +
1692                    '|^' +
1693                    this.weekdaysShort(mom, '') +
1694                    '|^' +
1695                    this.weekdaysMin(mom, '');
1696                this._weekdaysParse[i] = new RegExp(regex.replace('.', ''), 'i');
1697            }
1698            // test the regex
1699            if (
1700                strict &&
1701                format === 'dddd' &&
1702                this._fullWeekdaysParse[i].test(weekdayName)
1703            ) {
1704                return i;
1705            } else if (
1706                strict &&
1707                format === 'ddd' &&
1708                this._shortWeekdaysParse[i].test(weekdayName)
1709            ) {
1710                return i;
1711            } else if (
1712                strict &&
1713                format === 'dd' &&
1714                this._minWeekdaysParse[i].test(weekdayName)
1715            ) {
1716                return i;
1717            } else if (!strict && this._weekdaysParse[i].test(weekdayName)) {
1718                return i;
1719            }
1720        }
1721    }
1722
1723    // MOMENTS
1724
1725    function getSetDayOfWeek(input) {
1726        if (!this.isValid()) {
1727            return input != null ? this : NaN;
1728        }
1729        var day = this._isUTC ? this._d.getUTCDay() : this._d.getDay();
1730        if (input != null) {
1731            input = parseWeekday(input, this.localeData());
1732            return this.add(input - day, 'd');
1733        } else {
1734            return day;
1735        }
1736    }
1737
1738    function getSetLocaleDayOfWeek(input) {
1739        if (!this.isValid()) {
1740            return input != null ? this : NaN;
1741        }
1742        var weekday = (this.day() + 7 - this.localeData()._week.dow) % 7;
1743        return input == null ? weekday : this.add(input - weekday, 'd');
1744    }
1745
1746    function getSetISODayOfWeek(input) {
1747        if (!this.isValid()) {
1748            return input != null ? this : NaN;
1749        }
1750
1751        // behaves the same as moment#day except
1752        // as a getter, returns 7 instead of 0 (1-7 range instead of 0-6)
1753        // as a setter, sunday should belong to the previous week.
1754
1755        if (input != null) {
1756            var weekday = parseIsoWeekday(input, this.localeData());
1757            return this.day(this.day() % 7 ? weekday : weekday - 7);
1758        } else {
1759            return this.day() || 7;
1760        }
1761    }
1762
1763    function weekdaysRegex(isStrict) {
1764        if (this._weekdaysParseExact) {
1765            if (!hasOwnProp(this, '_weekdaysRegex')) {
1766                computeWeekdaysParse.call(this);
1767            }
1768            if (isStrict) {
1769                return this._weekdaysStrictRegex;
1770            } else {
1771                return this._weekdaysRegex;
1772            }
1773        } else {
1774            if (!hasOwnProp(this, '_weekdaysRegex')) {
1775                this._weekdaysRegex = defaultWeekdaysRegex;
1776            }
1777            return this._weekdaysStrictRegex && isStrict
1778                ? this._weekdaysStrictRegex
1779                : this._weekdaysRegex;
1780        }
1781    }
1782
1783    function weekdaysShortRegex(isStrict) {
1784        if (this._weekdaysParseExact) {
1785            if (!hasOwnProp(this, '_weekdaysRegex')) {
1786                computeWeekdaysParse.call(this);
1787            }
1788            if (isStrict) {
1789                return this._weekdaysShortStrictRegex;
1790            } else {
1791                return this._weekdaysShortRegex;
1792            }
1793        } else {
1794            if (!hasOwnProp(this, '_weekdaysShortRegex')) {
1795                this._weekdaysShortRegex = defaultWeekdaysShortRegex;
1796            }
1797            return this._weekdaysShortStrictRegex && isStrict
1798                ? this._weekdaysShortStrictRegex
1799                : this._weekdaysShortRegex;
1800        }
1801    }
1802
1803    function weekdaysMinRegex(isStrict) {
1804        if (this._weekdaysParseExact) {
1805            if (!hasOwnProp(this, '_weekdaysRegex')) {
1806                computeWeekdaysParse.call(this);
1807            }
1808            if (isStrict) {
1809                return this._weekdaysMinStrictRegex;
1810            } else {
1811                return this._weekdaysMinRegex;
1812            }
1813        } else {
1814            if (!hasOwnProp(this, '_weekdaysMinRegex')) {
1815                this._weekdaysMinRegex = defaultWeekdaysMinRegex;
1816            }
1817            return this._weekdaysMinStrictRegex && isStrict
1818                ? this._weekdaysMinStrictRegex
1819                : this._weekdaysMinRegex;
1820        }
1821    }
1822
1823    function computeWeekdaysParse() {
1824        function cmpLenRev(a, b) {
1825            return b.length - a.length;
1826        }
1827
1828        var minPieces = [],
1829            shortPieces = [],
1830            longPieces = [],
1831            mixedPieces = [],
1832            i,
1833            mom,
1834            minp,
1835            shortp,
1836            longp;
1837        for (i = 0; i < 7; i++) {
1838            // make the regex if we don't have it already
1839            mom = createUTC([2000, 1]).day(i);
1840            minp = regexEscape(this.weekdaysMin(mom, ''));
1841            shortp = regexEscape(this.weekdaysShort(mom, ''));
1842            longp = regexEscape(this.weekdays(mom, ''));
1843            minPieces.push(minp);
1844            shortPieces.push(shortp);
1845            longPieces.push(longp);
1846            mixedPieces.push(minp);
1847            mixedPieces.push(shortp);
1848            mixedPieces.push(longp);
1849        }
1850        // Sorting makes sure if one weekday (or abbr) is a prefix of another it
1851        // will match the longer piece.
1852        minPieces.sort(cmpLenRev);
1853        shortPieces.sort(cmpLenRev);
1854        longPieces.sort(cmpLenRev);
1855        mixedPieces.sort(cmpLenRev);
1856
1857        this._weekdaysRegex = new RegExp('^(' + mixedPieces.join('|') + ')', 'i');
1858        this._weekdaysShortRegex = this._weekdaysRegex;
1859        this._weekdaysMinRegex = this._weekdaysRegex;
1860
1861        this._weekdaysStrictRegex = new RegExp(
1862            '^(' + longPieces.join('|') + ')',
1863            'i'
1864        );
1865        this._weekdaysShortStrictRegex = new RegExp(
1866            '^(' + shortPieces.join('|') + ')',
1867            'i'
1868        );
1869        this._weekdaysMinStrictRegex = new RegExp(
1870            '^(' + minPieces.join('|') + ')',
1871            'i'
1872        );
1873    }
1874
1875    // FORMATTING
1876
1877    function hFormat() {
1878        return this.hours() % 12 || 12;
1879    }
1880
1881    function kFormat() {
1882        return this.hours() || 24;
1883    }
1884
1885    addFormatToken('H', ['HH', 2], 0, 'hour');
1886    addFormatToken('h', ['hh', 2], 0, hFormat);
1887    addFormatToken('k', ['kk', 2], 0, kFormat);
1888
1889    addFormatToken('hmm', 0, 0, function () {
1890        return '' + hFormat.apply(this) + zeroFill(this.minutes(), 2);
1891    });
1892
1893    addFormatToken('hmmss', 0, 0, function () {
1894        return (
1895            '' +
1896            hFormat.apply(this) +
1897            zeroFill(this.minutes(), 2) +
1898            zeroFill(this.seconds(), 2)
1899        );
1900    });
1901
1902    addFormatToken('Hmm', 0, 0, function () {
1903        return '' + this.hours() + zeroFill(this.minutes(), 2);
1904    });
1905
1906    addFormatToken('Hmmss', 0, 0, function () {
1907        return (
1908            '' +
1909            this.hours() +
1910            zeroFill(this.minutes(), 2) +
1911            zeroFill(this.seconds(), 2)
1912        );
1913    });
1914
1915    function meridiem(token, lowercase) {
1916        addFormatToken(token, 0, 0, function () {
1917            return this.localeData().meridiem(
1918                this.hours(),
1919                this.minutes(),
1920                lowercase
1921            );
1922        });
1923    }
1924
1925    meridiem('a', true);
1926    meridiem('A', false);
1927
1928    // ALIASES
1929
1930    addUnitAlias('hour', 'h');
1931
1932    // PRIORITY
1933    addUnitPriority('hour', 13);
1934
1935    // PARSING
1936
1937    function matchMeridiem(isStrict, locale) {
1938        return locale._meridiemParse;
1939    }
1940
1941    addRegexToken('a', matchMeridiem);
1942    addRegexToken('A', matchMeridiem);
1943    addRegexToken('H', match1to2);
1944    addRegexToken('h', match1to2);
1945    addRegexToken('k', match1to2);
1946    addRegexToken('HH', match1to2, match2);
1947    addRegexToken('hh', match1to2, match2);
1948    addRegexToken('kk', match1to2, match2);
1949
1950    addRegexToken('hmm', match3to4);
1951    addRegexToken('hmmss', match5to6);
1952    addRegexToken('Hmm', match3to4);
1953    addRegexToken('Hmmss', match5to6);
1954
1955    addParseToken(['H', 'HH'], HOUR);
1956    addParseToken(['k', 'kk'], function (input, array, config) {
1957        var kInput = toInt(input);
1958        array[HOUR] = kInput === 24 ? 0 : kInput;
1959    });
1960    addParseToken(['a', 'A'], function (input, array, config) {
1961        config._isPm = config._locale.isPM(input);
1962        config._meridiem = input;
1963    });
1964    addParseToken(['h', 'hh'], function (input, array, config) {
1965        array[HOUR] = toInt(input);
1966        getParsingFlags(config).bigHour = true;
1967    });
1968    addParseToken('hmm', function (input, array, config) {
1969        var pos = input.length - 2;
1970        array[HOUR] = toInt(input.substr(0, pos));
1971        array[MINUTE] = toInt(input.substr(pos));
1972        getParsingFlags(config).bigHour = true;
1973    });
1974    addParseToken('hmmss', function (input, array, config) {
1975        var pos1 = input.length - 4,
1976            pos2 = input.length - 2;
1977        array[HOUR] = toInt(input.substr(0, pos1));
1978        array[MINUTE] = toInt(input.substr(pos1, 2));
1979        array[SECOND] = toInt(input.substr(pos2));
1980        getParsingFlags(config).bigHour = true;
1981    });
1982    addParseToken('Hmm', function (input, array, config) {
1983        var pos = input.length - 2;
1984        array[HOUR] = toInt(input.substr(0, pos));
1985        array[MINUTE] = toInt(input.substr(pos));
1986    });
1987    addParseToken('Hmmss', function (input, array, config) {
1988        var pos1 = input.length - 4,
1989            pos2 = input.length - 2;
1990        array[HOUR] = toInt(input.substr(0, pos1));
1991        array[MINUTE] = toInt(input.substr(pos1, 2));
1992        array[SECOND] = toInt(input.substr(pos2));
1993    });
1994
1995    // LOCALES
1996
1997    function localeIsPM(input) {
1998        // IE8 Quirks Mode & IE7 Standards Mode do not allow accessing strings like arrays
1999        // Using charAt should be more compatible.
2000        return (input + '').toLowerCase().charAt(0) === 'p';
2001    }
2002
2003    var defaultLocaleMeridiemParse = /[ap]\.?m?\.?/i,
2004        // Setting the hour should keep the time, because the user explicitly
2005        // specified which hour they want. So trying to maintain the same hour (in
2006        // a new timezone) makes sense. Adding/subtracting hours does not follow
2007        // this rule.
2008        getSetHour = makeGetSet('Hours', true);
2009
2010    function localeMeridiem(hours, minutes, isLower) {
2011        if (hours > 11) {
2012            return isLower ? 'pm' : 'PM';
2013        } else {
2014            return isLower ? 'am' : 'AM';
2015        }
2016    }
2017
2018    var baseConfig = {
2019        calendar: defaultCalendar,
2020        longDateFormat: defaultLongDateFormat,
2021        invalidDate: defaultInvalidDate,
2022        ordinal: defaultOrdinal,
2023        dayOfMonthOrdinalParse: defaultDayOfMonthOrdinalParse,
2024        relativeTime: defaultRelativeTime,
2025
2026        months: defaultLocaleMonths,
2027        monthsShort: defaultLocaleMonthsShort,
2028
2029        week: defaultLocaleWeek,
2030
2031        weekdays: defaultLocaleWeekdays,
2032        weekdaysMin: defaultLocaleWeekdaysMin,
2033        weekdaysShort: defaultLocaleWeekdaysShort,
2034
2035        meridiemParse: defaultLocaleMeridiemParse,
2036    };
2037
2038    // internal storage for locale config files
2039    var locales = {},
2040        localeFamilies = {},
2041        globalLocale;
2042
2043    function commonPrefix(arr1, arr2) {
2044        var i,
2045            minl = Math.min(arr1.length, arr2.length);
2046        for (i = 0; i < minl; i += 1) {
2047            if (arr1[i] !== arr2[i]) {
2048                return i;
2049            }
2050        }
2051        return minl;
2052    }
2053
2054    function normalizeLocale(key) {
2055        return key ? key.toLowerCase().replace('_', '-') : key;
2056    }
2057
2058    // pick the locale from the array
2059    // try ['en-au', 'en-gb'] as 'en-au', 'en-gb', 'en', as in move through the list trying each
2060    // substring from most specific to least, but move to the next array item if it's a more specific variant than the current root
2061    function chooseLocale(names) {
2062        var i = 0,
2063            j,
2064            next,
2065            locale,
2066            split;
2067
2068        while (i < names.length) {
2069            split = normalizeLocale(names[i]).split('-');
2070            j = split.length;
2071            next = normalizeLocale(names[i + 1]);
2072            next = next ? next.split('-') : null;
2073            while (j > 0) {
2074                locale = loadLocale(split.slice(0, j).join('-'));
2075                if (locale) {
2076                    return locale;
2077                }
2078                if (
2079                    next &&
2080                    next.length >= j &&
2081                    commonPrefix(split, next) >= j - 1
2082                ) {
2083                    //the next array item is better than a shallower substring of this one
2084                    break;
2085                }
2086                j--;
2087            }
2088            i++;
2089        }
2090        return globalLocale;
2091    }
2092
2093    function isLocaleNameSane(name) {
2094        // Prevent names that look like filesystem paths, i.e contain '/' or '\'
2095        return name.match('^[^/\\\\]*$') != null;
2096    }
2097
2098    function loadLocale(name) {
2099        var oldLocale = null,
2100            aliasedRequire;
2101        // TODO: Find a better way to register and load all the locales in Node
2102        if (
2103            locales[name] === undefined &&
2104            typeof module !== 'undefined' &&
2105            module &&
2106            module.exports &&
2107            isLocaleNameSane(name)
2108        ) {
2109            try {
2110                oldLocale = globalLocale._abbr;
2111                aliasedRequire = require;
2112                aliasedRequire('./locale/' + name);
2113                getSetGlobalLocale(oldLocale);
2114            } catch (e) {
2115                // mark as not found to avoid repeating expensive file require call causing high CPU
2116                // when trying to find en-US, en_US, en-us for every format call
2117                locales[name] = null; // null means not found
2118            }
2119        }
2120        return locales[name];
2121    }
2122
2123    // This function will load locale and then set the global locale.  If
2124    // no arguments are passed in, it will simply return the current global
2125    // locale key.
2126    function getSetGlobalLocale(key, values) {
2127        var data;
2128        if (key) {
2129            if (isUndefined(values)) {
2130                data = getLocale(key);
2131            } else {
2132                data = defineLocale(key, values);
2133            }
2134
2135            if (data) {
2136                // moment.duration._locale = moment._locale = data;
2137                globalLocale = data;
2138            } else {
2139                if (typeof console !== 'undefined' && console.warn) {
2140                    //warn user if arguments are passed but the locale could not be set
2141                    console.warn(
2142                        'Locale ' + key + ' not found. Did you forget to load it?'
2143                    );
2144                }
2145            }
2146        }
2147
2148        return globalLocale._abbr;
2149    }
2150
2151    function defineLocale(name, config) {
2152        if (config !== null) {
2153            var locale,
2154                parentConfig = baseConfig;
2155            config.abbr = name;
2156            if (locales[name] != null) {
2157                deprecateSimple(
2158                    'defineLocaleOverride',
2159                    'use moment.updateLocale(localeName, config) to change ' +
2160                        'an existing locale. moment.defineLocale(localeName, ' +
2161                        'config) should only be used for creating a new locale ' +
2162                        'See http://momentjs.com/guides/#/warnings/define-locale/ for more info.'
2163                );
2164                parentConfig = locales[name]._config;
2165            } else if (config.parentLocale != null) {
2166                if (locales[config.parentLocale] != null) {
2167                    parentConfig = locales[config.parentLocale]._config;
2168                } else {
2169                    locale = loadLocale(config.parentLocale);
2170                    if (locale != null) {
2171                        parentConfig = locale._config;
2172                    } else {
2173                        if (!localeFamilies[config.parentLocale]) {
2174                            localeFamilies[config.parentLocale] = [];
2175                        }
2176                        localeFamilies[config.parentLocale].push({
2177                            name: name,
2178                            config: config,
2179                        });
2180                        return null;
2181                    }
2182                }
2183            }
2184            locales[name] = new Locale(mergeConfigs(parentConfig, config));
2185
2186            if (localeFamilies[name]) {
2187                localeFamilies[name].forEach(function (x) {
2188                    defineLocale(x.name, x.config);
2189                });
2190            }
2191
2192            // backwards compat for now: also set the locale
2193            // make sure we set the locale AFTER all child locales have been
2194            // created, so we won't end up with the child locale set.
2195            getSetGlobalLocale(name);
2196
2197            return locales[name];
2198        } else {
2199            // useful for testing
2200            delete locales[name];
2201            return null;
2202        }
2203    }
2204
2205    function updateLocale(name, config) {
2206        if (config != null) {
2207            var locale,
2208                tmpLocale,
2209                parentConfig = baseConfig;
2210
2211            if (locales[name] != null && locales[name].parentLocale != null) {
2212                // Update existing child locale in-place to avoid memory-leaks
2213                locales[name].set(mergeConfigs(locales[name]._config, config));
2214            } else {
2215                // MERGE
2216                tmpLocale = loadLocale(name);
2217                if (tmpLocale != null) {
2218                    parentConfig = tmpLocale._config;
2219                }
2220                config = mergeConfigs(parentConfig, config);
2221                if (tmpLocale == null) {
2222                    // updateLocale is called for creating a new locale
2223                    // Set abbr so it will have a name (getters return
2224                    // undefined otherwise).
2225                    config.abbr = name;
2226                }
2227                locale = new Locale(config);
2228                locale.parentLocale = locales[name];
2229                locales[name] = locale;
2230            }
2231
2232            // backwards compat for now: also set the locale
2233            getSetGlobalLocale(name);
2234        } else {
2235            // pass null for config to unupdate, useful for tests
2236            if (locales[name] != null) {
2237                if (locales[name].parentLocale != null) {
2238                    locales[name] = locales[name].parentLocale;
2239                    if (name === getSetGlobalLocale()) {
2240                        getSetGlobalLocale(name);
2241                    }
2242                } else if (locales[name] != null) {
2243                    delete locales[name];
2244                }
2245            }
2246        }
2247        return locales[name];
2248    }
2249
2250    // returns locale data
2251    function getLocale(key) {
2252        var locale;
2253
2254        if (key && key._locale && key._locale._abbr) {
2255            key = key._locale._abbr;
2256        }
2257
2258        if (!key) {
2259            return globalLocale;
2260        }
2261
2262        if (!isArray(key)) {
2263            //short-circuit everything else
2264            locale = loadLocale(key);
2265            if (locale) {
2266                return locale;
2267            }
2268            key = [key];
2269        }
2270
2271        return chooseLocale(key);
2272    }
2273
2274    function listLocales() {
2275        return keys(locales);
2276    }
2277
2278    function checkOverflow(m) {
2279        var overflow,
2280            a = m._a;
2281
2282        if (a && getParsingFlags(m).overflow === -2) {
2283            overflow =
2284                a[MONTH] < 0 || a[MONTH] > 11
2285                    ? MONTH
2286                    : a[DATE] < 1 || a[DATE] > daysInMonth(a[YEAR], a[MONTH])
2287                    ? DATE
2288                    : a[HOUR] < 0 ||
2289                      a[HOUR] > 24 ||
2290                      (a[HOUR] === 24 &&
2291                          (a[MINUTE] !== 0 ||
2292                              a[SECOND] !== 0 ||
2293                              a[MILLISECOND] !== 0))
2294                    ? HOUR
2295                    : a[MINUTE] < 0 || a[MINUTE] > 59
2296                    ? MINUTE
2297                    : a[SECOND] < 0 || a[SECOND] > 59
2298                    ? SECOND
2299                    : a[MILLISECOND] < 0 || a[MILLISECOND] > 999
2300                    ? MILLISECOND
2301                    : -1;
2302
2303            if (
2304                getParsingFlags(m)._overflowDayOfYear &&
2305                (overflow < YEAR || overflow > DATE)
2306            ) {
2307                overflow = DATE;
2308            }
2309            if (getParsingFlags(m)._overflowWeeks && overflow === -1) {
2310                overflow = WEEK;
2311            }
2312            if (getParsingFlags(m)._overflowWeekday && overflow === -1) {
2313                overflow = WEEKDAY;
2314            }
2315
2316            getParsingFlags(m).overflow = overflow;
2317        }
2318
2319        return m;
2320    }
2321
2322    // iso 8601 regex
2323    // 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)
2324    var extendedIsoRegex =
2325            /^\s*((?:[+-]\d{6}|\d{4})-(?:\d\d-\d\d|W\d\d-\d|W\d\d|\d\d\d|\d\d))(?:(T| )(\d\d(?::\d\d(?::\d\d(?:[.,]\d+)?)?)?)([+-]\d\d(?::?\d\d)?|\s*Z)?)?$/,
2326        basicIsoRegex =
2327            /^\s*((?:[+-]\d{6}|\d{4})(?:\d\d\d\d|W\d\d\d|W\d\d|\d\d\d|\d\d|))(?:(T| )(\d\d(?:\d\d(?:\d\d(?:[.,]\d+)?)?)?)([+-]\d\d(?::?\d\d)?|\s*Z)?)?$/,
2328        tzRegex = /Z|[+-]\d\d(?::?\d\d)?/,
2329        isoDates = [
2330            ['YYYYYY-MM-DD', /[+-]\d{6}-\d\d-\d\d/],
2331            ['YYYY-MM-DD', /\d{4}-\d\d-\d\d/],
2332            ['GGGG-[W]WW-E', /\d{4}-W\d\d-\d/],
2333            ['GGGG-[W]WW', /\d{4}-W\d\d/, false],
2334            ['YYYY-DDD', /\d{4}-\d{3}/],
2335            ['YYYY-MM', /\d{4}-\d\d/, false],
2336            ['YYYYYYMMDD', /[+-]\d{10}/],
2337            ['YYYYMMDD', /\d{8}/],
2338            ['GGGG[W]WWE', /\d{4}W\d{3}/],
2339            ['GGGG[W]WW', /\d{4}W\d{2}/, false],
2340            ['YYYYDDD', /\d{7}/],
2341            ['YYYYMM', /\d{6}/, false],
2342            ['YYYY', /\d{4}/, false],
2343        ],
2344        // iso time formats and regexes
2345        isoTimes = [
2346            ['HH:mm:ss.SSSS', /\d\d:\d\d:\d\d\.\d+/],
2347            ['HH:mm:ss,SSSS', /\d\d:\d\d:\d\d,\d+/],
2348            ['HH:mm:ss', /\d\d:\d\d:\d\d/],
2349            ['HH:mm', /\d\d:\d\d/],
2350            ['HHmmss.SSSS', /\d\d\d\d\d\d\.\d+/],
2351            ['HHmmss,SSSS', /\d\d\d\d\d\d,\d+/],
2352            ['HHmmss', /\d\d\d\d\d\d/],
2353            ['HHmm', /\d\d\d\d/],
2354            ['HH', /\d\d/],
2355        ],
2356        aspNetJsonRegex = /^\/?Date\((-?\d+)/i,
2357        // RFC 2822 regex: For details see https://tools.ietf.org/html/rfc2822#section-3.3
2358        rfc2822 =
2359            /^(?:(Mon|Tue|Wed|Thu|Fri|Sat|Sun),?\s)?(\d{1,2})\s(Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)\s(\d{2,4})\s(\d\d):(\d\d)(?::(\d\d))?\s(?:(UT|GMT|[ECMP][SD]T)|([Zz])|([+-]\d{4}))$/,
2360        obsOffsets = {
2361            UT: 0,
2362            GMT: 0,
2363            EDT: -4 * 60,
2364            EST: -5 * 60,
2365            CDT: -5 * 60,
2366            CST: -6 * 60,
2367            MDT: -6 * 60,
2368            MST: -7 * 60,
2369            PDT: -7 * 60,
2370            PST: -8 * 60,
2371        };
2372
2373    // date from iso format
2374    function configFromISO(config) {
2375        var i,
2376            l,
2377            string = config._i,
2378            match = extendedIsoRegex.exec(string) || basicIsoRegex.exec(string),
2379            allowTime,
2380            dateFormat,
2381            timeFormat,
2382            tzFormat,
2383            isoDatesLen = isoDates.length,
2384            isoTimesLen = isoTimes.length;
2385
2386        if (match) {
2387            getParsingFlags(config).iso = true;
2388            for (i = 0, l = isoDatesLen; i < l; i++) {
2389                if (isoDates[i][1].exec(match[1])) {
2390                    dateFormat = isoDates[i][0];
2391                    allowTime = isoDates[i][2] !== false;
2392                    break;
2393                }
2394            }
2395            if (dateFormat == null) {
2396                config._isValid = false;
2397                return;
2398            }
2399            if (match[3]) {
2400                for (i = 0, l = isoTimesLen; i < l; i++) {
2401                    if (isoTimes[i][1].exec(match[3])) {
2402                        // match[2] should be 'T' or space
2403                        timeFormat = (match[2] || ' ') + isoTimes[i][0];
2404                        break;
2405                    }
2406                }
2407                if (timeFormat == null) {
2408                    config._isValid = false;
2409                    return;
2410                }
2411            }
2412            if (!allowTime && timeFormat != null) {
2413                config._isValid = false;
2414                return;
2415            }
2416            if (match[4]) {
2417                if (tzRegex.exec(match[4])) {
2418                    tzFormat = 'Z';
2419                } else {
2420                    config._isValid = false;
2421                    return;
2422                }
2423            }
2424            config._f = dateFormat + (timeFormat || '') + (tzFormat || '');
2425            configFromStringAndFormat(config);
2426        } else {
2427            config._isValid = false;
2428        }
2429    }
2430
2431    function extractFromRFC2822Strings(
2432        yearStr,
2433        monthStr,
2434        dayStr,
2435        hourStr,
2436        minuteStr,
2437        secondStr
2438    ) {
2439        var result = [
2440            untruncateYear(yearStr),
2441            defaultLocaleMonthsShort.indexOf(monthStr),
2442            parseInt(dayStr, 10),
2443            parseInt(hourStr, 10),
2444            parseInt(minuteStr, 10),
2445        ];
2446
2447        if (secondStr) {
2448            result.push(parseInt(secondStr, 10));
2449        }
2450
2451        return result;
2452    }
2453
2454    function untruncateYear(yearStr) {
2455        var year = parseInt(yearStr, 10);
2456        if (year <= 49) {
2457            return 2000 + year;
2458        } else if (year <= 999) {
2459            return 1900 + year;
2460        }
2461        return year;
2462    }
2463
2464    function preprocessRFC2822(s) {
2465        // Remove comments and folding whitespace and replace multiple-spaces with a single space
2466        return s
2467            .replace(/\([^()]*\)|[\n\t]/g, ' ')
2468            .replace(/(\s\s+)/g, ' ')
2469            .replace(/^\s\s*/, '')
2470            .replace(/\s\s*$/, '');
2471    }
2472
2473    function checkWeekday(weekdayStr, parsedInput, config) {
2474        if (weekdayStr) {
2475            // TODO: Replace the vanilla JS Date object with an independent day-of-week check.
2476            var weekdayProvided = defaultLocaleWeekdaysShort.indexOf(weekdayStr),
2477                weekdayActual = new Date(
2478                    parsedInput[0],
2479                    parsedInput[1],
2480                    parsedInput[2]
2481                ).getDay();
2482            if (weekdayProvided !== weekdayActual) {
2483                getParsingFlags(config).weekdayMismatch = true;
2484                config._isValid = false;
2485                return false;
2486            }
2487        }
2488        return true;
2489    }
2490
2491    function calculateOffset(obsOffset, militaryOffset, numOffset) {
2492        if (obsOffset) {
2493            return obsOffsets[obsOffset];
2494        } else if (militaryOffset) {
2495            // the only allowed military tz is Z
2496            return 0;
2497        } else {
2498            var hm = parseInt(numOffset, 10),
2499                m = hm % 100,
2500                h = (hm - m) / 100;
2501            return h * 60 + m;
2502        }
2503    }
2504
2505    // date and time from ref 2822 format
2506    function configFromRFC2822(config) {
2507        var match = rfc2822.exec(preprocessRFC2822(config._i)),
2508            parsedArray;
2509        if (match) {
2510            parsedArray = extractFromRFC2822Strings(
2511                match[4],
2512                match[3],
2513                match[2],
2514                match[5],
2515                match[6],
2516                match[7]
2517            );
2518            if (!checkWeekday(match[1], parsedArray, config)) {
2519                return;
2520            }
2521
2522            config._a = parsedArray;
2523            config._tzm = calculateOffset(match[8], match[9], match[10]);
2524
2525            config._d = createUTCDate.apply(null, config._a);
2526            config._d.setUTCMinutes(config._d.getUTCMinutes() - config._tzm);
2527
2528            getParsingFlags(config).rfc2822 = true;
2529        } else {
2530            config._isValid = false;
2531        }
2532    }
2533
2534    // date from 1) ASP.NET, 2) ISO, 3) RFC 2822 formats, or 4) optional fallback if parsing isn't strict
2535    function configFromString(config) {
2536        var matched = aspNetJsonRegex.exec(config._i);
2537        if (matched !== null) {
2538            config._d = new Date(+matched[1]);
2539            return;
2540        }
2541
2542        configFromISO(config);
2543        if (config._isValid === false) {
2544            delete config._isValid;
2545        } else {
2546            return;
2547        }
2548
2549        configFromRFC2822(config);
2550        if (config._isValid === false) {
2551            delete config._isValid;
2552        } else {
2553            return;
2554        }
2555
2556        if (config._strict) {
2557            config._isValid = false;
2558        } else {
2559            // Final attempt, use Input Fallback
2560            hooks.createFromInputFallback(config);
2561        }
2562    }
2563
2564    hooks.createFromInputFallback = deprecate(
2565        'value provided is not in a recognized RFC2822 or ISO format. moment construction falls back to js Date(), ' +
2566            'which is not reliable across all browsers and versions. Non RFC2822/ISO date formats are ' +
2567            'discouraged. Please refer to http://momentjs.com/guides/#/warnings/js-date/ for more info.',
2568        function (config) {
2569            config._d = new Date(config._i + (config._useUTC ? ' UTC' : ''));
2570        }
2571    );
2572
2573    // Pick the first defined of two or three arguments.
2574    function defaults(a, b, c) {
2575        if (a != null) {
2576            return a;
2577        }
2578        if (b != null) {
2579            return b;
2580        }
2581        return c;
2582    }
2583
2584    function currentDateArray(config) {
2585        // hooks is actually the exported moment object
2586        var nowValue = new Date(hooks.now());
2587        if (config._useUTC) {
2588            return [
2589                nowValue.getUTCFullYear(),
2590                nowValue.getUTCMonth(),
2591                nowValue.getUTCDate(),
2592            ];
2593        }
2594        return [nowValue.getFullYear(), nowValue.getMonth(), nowValue.getDate()];
2595    }
2596
2597    // convert an array to a date.
2598    // the array should mirror the parameters below
2599    // note: all values past the year are optional and will default to the lowest possible value.
2600    // [year, month, day , hour, minute, second, millisecond]
2601    function configFromArray(config) {
2602        var i,
2603            date,
2604            input = [],
2605            currentDate,
2606            expectedWeekday,
2607            yearToUse;
2608
2609        if (config._d) {
2610            return;
2611        }
2612
2613        currentDate = currentDateArray(config);
2614
2615        //compute day of the year from weeks and weekdays
2616        if (config._w && config._a[DATE] == null && config._a[MONTH] == null) {
2617            dayOfYearFromWeekInfo(config);
2618        }
2619
2620        //if the day of the year is set, figure out what it is
2621        if (config._dayOfYear != null) {
2622            yearToUse = defaults(config._a[YEAR], currentDate[YEAR]);
2623
2624            if (
2625                config._dayOfYear > daysInYear(yearToUse) ||
2626                config._dayOfYear === 0
2627            ) {
2628                getParsingFlags(config)._overflowDayOfYear = true;
2629            }
2630
2631            date = createUTCDate(yearToUse, 0, config._dayOfYear);
2632            config._a[MONTH] = date.getUTCMonth();
2633            config._a[DATE] = date.getUTCDate();
2634        }
2635
2636        // Default to current date.
2637        // * if no year, month, day of month are given, default to today
2638        // * if day of month is given, default month and year
2639        // * if month is given, default only year
2640        // * if year is given, don't default anything
2641        for (i = 0; i < 3 && config._a[i] == null; ++i) {
2642            config._a[i] = input[i] = currentDate[i];
2643        }
2644
2645        // Zero out whatever was not defaulted, including time
2646        for (; i < 7; i++) {
2647            config._a[i] = input[i] =
2648                config._a[i] == null ? (i === 2 ? 1 : 0) : config._a[i];
2649        }
2650
2651        // Check for 24:00:00.000
2652        if (
2653            config._a[HOUR] === 24 &&
2654            config._a[MINUTE] === 0 &&
2655            config._a[SECOND] === 0 &&
2656            config._a[MILLISECOND] === 0
2657        ) {
2658            config._nextDay = true;
2659            config._a[HOUR] = 0;
2660        }
2661
2662        config._d = (config._useUTC ? createUTCDate : createDate).apply(
2663            null,
2664            input
2665        );
2666        expectedWeekday = config._useUTC
2667            ? config._d.getUTCDay()
2668            : config._d.getDay();
2669
2670        // Apply timezone offset from input. The actual utcOffset can be changed
2671        // with parseZone.
2672        if (config._tzm != null) {
2673            config._d.setUTCMinutes(config._d.getUTCMinutes() - config._tzm);
2674        }
2675
2676        if (config._nextDay) {
2677            config._a[HOUR] = 24;
2678        }
2679
2680        // check for mismatching day of week
2681        if (
2682            config._w &&
2683            typeof config._w.d !== 'undefined' &&
2684            config._w.d !== expectedWeekday
2685        ) {
2686            getParsingFlags(config).weekdayMismatch = true;
2687        }
2688    }
2689
2690    function dayOfYearFromWeekInfo(config) {
2691        var w, weekYear, week, weekday, dow, doy, temp, weekdayOverflow, curWeek;
2692
2693        w = config._w;
2694        if (w.GG != null || w.W != null || w.E != null) {
2695            dow = 1;
2696            doy = 4;
2697
2698            // TODO: We need to take the current isoWeekYear, but that depends on
2699            // how we interpret now (local, utc, fixed offset). So create
2700            // a now version of current config (take local/utc/offset flags, and
2701            // create now).
2702            weekYear = defaults(
2703                w.GG,
2704                config._a[YEAR],
2705                weekOfYear(createLocal(), 1, 4).year
2706            );
2707            week = defaults(w.W, 1);
2708            weekday = defaults(w.E, 1);
2709            if (weekday < 1 || weekday > 7) {
2710                weekdayOverflow = true;
2711            }
2712        } else {
2713            dow = config._locale._week.dow;
2714            doy = config._locale._week.doy;
2715
2716            curWeek = weekOfYear(createLocal(), dow, doy);
2717
2718            weekYear = defaults(w.gg, config._a[YEAR], curWeek.year);
2719
2720            // Default to current week.
2721            week = defaults(w.w, curWeek.week);
2722
2723            if (w.d != null) {
2724                // weekday -- low day numbers are considered next week
2725                weekday = w.d;
2726                if (weekday < 0 || weekday > 6) {
2727                    weekdayOverflow = true;
2728                }
2729            } else if (w.e != null) {
2730                // local weekday -- counting starts from beginning of week
2731                weekday = w.e + dow;
2732                if (w.e < 0 || w.e > 6) {
2733                    weekdayOverflow = true;
2734                }
2735            } else {
2736                // default to beginning of week
2737                weekday = dow;
2738            }
2739        }
2740        if (week < 1 || week > weeksInYear(weekYear, dow, doy)) {
2741            getParsingFlags(config)._overflowWeeks = true;
2742        } else if (weekdayOverflow != null) {
2743            getParsingFlags(config)._overflowWeekday = true;
2744        } else {
2745            temp = dayOfYearFromWeeks(weekYear, week, weekday, dow, doy);
2746            config._a[YEAR] = temp.year;
2747            config._dayOfYear = temp.dayOfYear;
2748        }
2749    }
2750
2751    // constant that refers to the ISO standard
2752    hooks.ISO_8601 = function () {};
2753
2754    // constant that refers to the RFC 2822 form
2755    hooks.RFC_2822 = function () {};
2756
2757    // date from string and format string
2758    function configFromStringAndFormat(config) {
2759        // TODO: Move this to another part of the creation flow to prevent circular deps
2760        if (config._f === hooks.ISO_8601) {
2761            configFromISO(config);
2762            return;
2763        }
2764        if (config._f === hooks.RFC_2822) {
2765            configFromRFC2822(config);
2766            return;
2767        }
2768        config._a = [];
2769        getParsingFlags(config).empty = true;
2770
2771        // This array is used to make a Date, either with `new Date` or `Date.UTC`
2772        var string = '' + config._i,
2773            i,
2774            parsedInput,
2775            tokens,
2776            token,
2777            skipped,
2778            stringLength = string.length,
2779            totalParsedInputLength = 0,
2780            era,
2781            tokenLen;
2782
2783        tokens =
2784            expandFormat(config._f, config._locale).match(formattingTokens) || [];
2785        tokenLen = tokens.length;
2786        for (i = 0; i < tokenLen; i++) {
2787            token = tokens[i];
2788            parsedInput = (string.match(getParseRegexForToken(token, config)) ||
2789                [])[0];
2790            if (parsedInput) {
2791                skipped = string.substr(0, string.indexOf(parsedInput));
2792                if (skipped.length > 0) {
2793                    getParsingFlags(config).unusedInput.push(skipped);
2794                }
2795                string = string.slice(
2796                    string.indexOf(parsedInput) + parsedInput.length
2797                );
2798                totalParsedInputLength += parsedInput.length;
2799            }
2800            // don't parse if it's not a known token
2801            if (formatTokenFunctions[token]) {
2802                if (parsedInput) {
2803                    getParsingFlags(config).empty = false;
2804                } else {
2805                    getParsingFlags(config).unusedTokens.push(token);
2806                }
2807                addTimeToArrayFromToken(token, parsedInput, config);
2808            } else if (config._strict && !parsedInput) {
2809                getParsingFlags(config).unusedTokens.push(token);
2810            }
2811        }
2812
2813        // add remaining unparsed input length to the string
2814        getParsingFlags(config).charsLeftOver =
2815            stringLength - totalParsedInputLength;
2816        if (string.length > 0) {
2817            getParsingFlags(config).unusedInput.push(string);
2818        }
2819
2820        // clear _12h flag if hour is <= 12
2821        if (
2822            config._a[HOUR] <= 12 &&
2823            getParsingFlags(config).bigHour === true &&
2824            config._a[HOUR] > 0
2825        ) {
2826            getParsingFlags(config).bigHour = undefined;
2827        }
2828
2829        getParsingFlags(config).parsedDateParts = config._a.slice(0);
2830        getParsingFlags(config).meridiem = config._meridiem;
2831        // handle meridiem
2832        config._a[HOUR] = meridiemFixWrap(
2833            config._locale,
2834            config._a[HOUR],
2835            config._meridiem
2836        );
2837
2838        // handle era
2839        era = getParsingFlags(config).era;
2840        if (era !== null) {
2841            config._a[YEAR] = config._locale.erasConvertYear(era, config._a[YEAR]);
2842        }
2843
2844        configFromArray(config);
2845        checkOverflow(config);
2846    }
2847
2848    function meridiemFixWrap(locale, hour, meridiem) {
2849        var isPm;
2850
2851        if (meridiem == null) {
2852            // nothing to do
2853            return hour;
2854        }
2855        if (locale.meridiemHour != null) {
2856            return locale.meridiemHour(hour, meridiem);
2857        } else if (locale.isPM != null) {
2858            // Fallback
2859            isPm = locale.isPM(meridiem);
2860            if (isPm && hour < 12) {
2861                hour += 12;
2862            }
2863            if (!isPm && hour === 12) {
2864                hour = 0;
2865            }
2866            return hour;
2867        } else {
2868            // this is not supposed to happen
2869            return hour;
2870        }
2871    }
2872
2873    // date from string and array of format strings
2874    function configFromStringAndArray(config) {
2875        var tempConfig,
2876            bestMoment,
2877            scoreToBeat,
2878            i,
2879            currentScore,
2880            validFormatFound,
2881            bestFormatIsValid = false,
2882            configfLen = config._f.length;
2883
2884        if (configfLen === 0) {
2885            getParsingFlags(config).invalidFormat = true;
2886            config._d = new Date(NaN);
2887            return;
2888        }
2889
2890        for (i = 0; i < configfLen; i++) {
2891            currentScore = 0;
2892            validFormatFound = false;
2893            tempConfig = copyConfig({}, config);
2894            if (config._useUTC != null) {
2895                tempConfig._useUTC = config._useUTC;
2896            }
2897            tempConfig._f = config._f[i];
2898            configFromStringAndFormat(tempConfig);
2899
2900            if (isValid(tempConfig)) {
2901                validFormatFound = true;
2902            }
2903
2904            // if there is any input that was not parsed add a penalty for that format
2905            currentScore += getParsingFlags(tempConfig).charsLeftOver;
2906
2907            //or tokens
2908            currentScore += getParsingFlags(tempConfig).unusedTokens.length * 10;
2909
2910            getParsingFlags(tempConfig).score = currentScore;
2911
2912            if (!bestFormatIsValid) {
2913                if (
2914                    scoreToBeat == null ||
2915                    currentScore < scoreToBeat ||
2916                    validFormatFound
2917                ) {
2918                    scoreToBeat = currentScore;
2919                    bestMoment = tempConfig;
2920                    if (validFormatFound) {
2921                        bestFormatIsValid = true;
2922                    }
2923                }
2924            } else {
2925                if (currentScore < scoreToBeat) {
2926                    scoreToBeat = currentScore;
2927                    bestMoment = tempConfig;
2928                }
2929            }
2930        }
2931
2932        extend(config, bestMoment || tempConfig);
2933    }
2934
2935    function configFromObject(config) {
2936        if (config._d) {
2937            return;
2938        }
2939
2940        var i = normalizeObjectUnits(config._i),
2941            dayOrDate = i.day === undefined ? i.date : i.day;
2942        config._a = map(
2943            [i.year, i.month, dayOrDate, i.hour, i.minute, i.second, i.millisecond],
2944            function (obj) {
2945                return obj && parseInt(obj, 10);
2946            }
2947        );
2948
2949        configFromArray(config);
2950    }
2951
2952    function createFromConfig(config) {
2953        var res = new Moment(checkOverflow(prepareConfig(config)));
2954        if (res._nextDay) {
2955            // Adding is smart enough around DST
2956            res.add(1, 'd');
2957            res._nextDay = undefined;
2958        }
2959
2960        return res;
2961    }
2962
2963    function prepareConfig(config) {
2964        var input = config._i,
2965            format = config._f;
2966
2967        config._locale = config._locale || getLocale(config._l);
2968
2969        if (input === null || (format === undefined && input === '')) {
2970            return createInvalid({ nullInput: true });
2971        }
2972
2973        if (typeof input === 'string') {
2974            config._i = input = config._locale.preparse(input);
2975        }
2976
2977        if (isMoment(input)) {
2978            return new Moment(checkOverflow(input));
2979        } else if (isDate(input)) {
2980            config._d = input;
2981        } else if (isArray(format)) {
2982            configFromStringAndArray(config);
2983        } else if (format) {
2984            configFromStringAndFormat(config);
2985        } else {
2986            configFromInput(config);
2987        }
2988
2989        if (!isValid(config)) {
2990            config._d = null;
2991        }
2992
2993        return config;
2994    }
2995
2996    function configFromInput(config) {
2997        var input = config._i;
2998        if (isUndefined(input)) {
2999            config._d = new Date(hooks.now());
3000        } else if (isDate(input)) {
3001            config._d = new Date(input.valueOf());
3002        } else if (typeof input === 'string') {
3003            configFromString(config);
3004        } else if (isArray(input)) {
3005            config._a = map(input.slice(0), function (obj) {
3006                return parseInt(obj, 10);
3007            });
3008            configFromArray(config);
3009        } else if (isObject(input)) {
3010            configFromObject(config);
3011        } else if (isNumber(input)) {
3012            // from milliseconds
3013            config._d = new Date(input);
3014        } else {
3015            hooks.createFromInputFallback(config);
3016        }
3017    }
3018
3019    function createLocalOrUTC(input, format, locale, strict, isUTC) {
3020        var c = {};
3021
3022        if (format === true || format === false) {
3023            strict = format;
3024            format = undefined;
3025        }
3026
3027        if (locale === true || locale === false) {
3028            strict = locale;
3029            locale = undefined;
3030        }
3031
3032        if (
3033            (isObject(input) && isObjectEmpty(input)) ||
3034            (isArray(input) && input.length === 0)
3035        ) {
3036            input = undefined;
3037        }
3038        // object construction must be done this way.
3039        // https://github.com/moment/moment/issues/1423
3040        c._isAMomentObject = true;
3041        c._useUTC = c._isUTC = isUTC;
3042        c._l = locale;
3043        c._i = input;
3044        c._f = format;
3045        c._strict = strict;
3046
3047        return createFromConfig(c);
3048    }
3049
3050    function createLocal(input, format, locale, strict) {
3051        return createLocalOrUTC(input, format, locale, strict, false);
3052    }
3053
3054    var prototypeMin = deprecate(
3055            'moment().min is deprecated, use moment.max instead. http://momentjs.com/guides/#/warnings/min-max/',
3056            function () {
3057                var other = createLocal.apply(null, arguments);
3058                if (this.isValid() && other.isValid()) {
3059                    return other < this ? this : other;
3060                } else {
3061                    return createInvalid();
3062                }
3063            }
3064        ),
3065        prototypeMax = deprecate(
3066            'moment().max is deprecated, use moment.min instead. http://momentjs.com/guides/#/warnings/min-max/',
3067            function () {
3068                var other = createLocal.apply(null, arguments);
3069                if (this.isValid() && other.isValid()) {
3070                    return other > this ? this : other;
3071                } else {
3072                    return createInvalid();
3073                }
3074            }
3075        );
3076
3077    // Pick a moment m from moments so that m[fn](other) is true for all
3078    // other. This relies on the function fn to be transitive.
3079    //
3080    // moments should either be an array of moment objects or an array, whose
3081    // first element is an array of moment objects.
3082    function pickBy(fn, moments) {
3083        var res, i;
3084        if (moments.length === 1 && isArray(moments[0])) {
3085            moments = moments[0];
3086        }
3087        if (!moments.length) {
3088            return createLocal();
3089        }
3090        res = moments[0];
3091        for (i = 1; i < moments.length; ++i) {
3092            if (!moments[i].isValid() || moments[i][fn](res)) {
3093                res = moments[i];
3094            }
3095        }
3096        return res;
3097    }
3098
3099    // TODO: Use [].sort instead?
3100    function min() {
3101        var args = [].slice.call(arguments, 0);
3102
3103        return pickBy('isBefore', args);
3104    }
3105
3106    function max() {
3107        var args = [].slice.call(arguments, 0);
3108
3109        return pickBy('isAfter', args);
3110    }
3111
3112    var now = function () {
3113        return Date.now ? Date.now() : +new Date();
3114    };
3115
3116    var ordering = [
3117        'year',
3118        'quarter',
3119        'month',
3120        'week',
3121        'day',
3122        'hour',
3123        'minute',
3124        'second',
3125        'millisecond',
3126    ];
3127
3128    function isDurationValid(m) {
3129        var key,
3130            unitHasDecimal = false,
3131            i,
3132            orderLen = ordering.length;
3133        for (key in m) {
3134            if (
3135                hasOwnProp(m, key) &&
3136                !(
3137                    indexOf.call(ordering, key) !== -1 &&
3138                    (m[key] == null || !isNaN(m[key]))
3139                )
3140            ) {
3141                return false;
3142            }
3143        }
3144
3145        for (i = 0; i < orderLen; ++i) {
3146            if (m[ordering[i]]) {
3147                if (unitHasDecimal) {
3148                    return false; // only allow non-integers for smallest unit
3149                }
3150                if (parseFloat(m[ordering[i]]) !== toInt(m[ordering[i]])) {
3151                    unitHasDecimal = true;
3152                }
3153            }
3154        }
3155
3156        return true;
3157    }
3158
3159    function isValid$1() {
3160        return this._isValid;
3161    }
3162
3163    function createInvalid$1() {
3164        return createDuration(NaN);
3165    }
3166
3167    function Duration(duration) {
3168        var normalizedInput = normalizeObjectUnits(duration),
3169            years = normalizedInput.year || 0,
3170            quarters = normalizedInput.quarter || 0,
3171            months = normalizedInput.month || 0,
3172            weeks = normalizedInput.week || normalizedInput.isoWeek || 0,
3173            days = normalizedInput.day || 0,
3174            hours = normalizedInput.hour || 0,
3175            minutes = normalizedInput.minute || 0,
3176            seconds = normalizedInput.second || 0,
3177            milliseconds = normalizedInput.millisecond || 0;
3178
3179        this._isValid = isDurationValid(normalizedInput);
3180
3181        // representation for dateAddRemove
3182        this._milliseconds =
3183            +milliseconds +
3184            seconds * 1e3 + // 1000
3185            minutes * 6e4 + // 1000 * 60
3186            hours * 1000 * 60 * 60; //using 1000 * 60 * 60 instead of 36e5 to avoid floating point rounding errors https://github.com/moment/moment/issues/2978
3187        // Because of dateAddRemove treats 24 hours as different from a
3188        // day when working around DST, we need to store them separately
3189        this._days = +days + weeks * 7;
3190        // It is impossible to translate months into days without knowing
3191        // which months you are are talking about, so we have to store
3192        // it separately.
3193        this._months = +months + quarters * 3 + years * 12;
3194
3195        this._data = {};
3196
3197        this._locale = getLocale();
3198
3199        this._bubble();
3200    }
3201
3202    function isDuration(obj) {
3203        return obj instanceof Duration;
3204    }
3205
3206    function absRound(number) {
3207        if (number < 0) {
3208            return Math.round(-1 * number) * -1;
3209        } else {
3210            return Math.round(number);
3211        }
3212    }
3213
3214    // compare two arrays, return the number of differences
3215    function compareArrays(array1, array2, dontConvert) {
3216        var len = Math.min(array1.length, array2.length),
3217            lengthDiff = Math.abs(array1.length - array2.length),
3218            diffs = 0,
3219            i;
3220        for (i = 0; i < len; i++) {
3221            if (
3222                (dontConvert && array1[i] !== array2[i]) ||
3223                (!dontConvert && toInt(array1[i]) !== toInt(array2[i]))
3224            ) {
3225                diffs++;
3226            }
3227        }
3228        return diffs + lengthDiff;
3229    }
3230
3231    // FORMATTING
3232
3233    function offset(token, separator) {
3234        addFormatToken(token, 0, 0, function () {
3235            var offset = this.utcOffset(),
3236                sign = '+';
3237            if (offset < 0) {
3238                offset = -offset;
3239                sign = '-';
3240            }
3241            return (
3242                sign +
3243                zeroFill(~~(offset / 60), 2) +
3244                separator +
3245                zeroFill(~~offset % 60, 2)
3246            );
3247        });
3248    }
3249
3250    offset('Z', ':');
3251    offset('ZZ', '');
3252
3253    // PARSING
3254
3255    addRegexToken('Z', matchShortOffset);
3256    addRegexToken('ZZ', matchShortOffset);
3257    addParseToken(['Z', 'ZZ'], function (input, array, config) {
3258        config._useUTC = true;
3259        config._tzm = offsetFromString(matchShortOffset, input);
3260    });
3261
3262    // HELPERS
3263
3264    // timezone chunker
3265    // '+10:00' > ['10',  '00']
3266    // '-1530'  > ['-15', '30']
3267    var chunkOffset = /([\+\-]|\d\d)/gi;
3268
3269    function offsetFromString(matcher, string) {
3270        var matches = (string || '').match(matcher),
3271            chunk,
3272            parts,
3273            minutes;
3274
3275        if (matches === null) {
3276            return null;
3277        }
3278
3279        chunk = matches[matches.length - 1] || [];
3280        parts = (chunk + '').match(chunkOffset) || ['-', 0, 0];
3281        minutes = +(parts[1] * 60) + toInt(parts[2]);
3282
3283        return minutes === 0 ? 0 : parts[0] === '+' ? minutes : -minutes;
3284    }
3285
3286    // Return a moment from input, that is local/utc/zone equivalent to model.
3287    function cloneWithOffset(input, model) {
3288        var res, diff;
3289        if (model._isUTC) {
3290            res = model.clone();
3291            diff =
3292                (isMoment(input) || isDate(input)
3293                    ? input.valueOf()
3294                    : createLocal(input).valueOf()) - res.valueOf();
3295            // Use low-level api, because this fn is low-level api.
3296            res._d.setTime(res._d.valueOf() + diff);
3297            hooks.updateOffset(res, false);
3298            return res;
3299        } else {
3300            return createLocal(input).local();
3301        }
3302    }
3303
3304    function getDateOffset(m) {
3305        // On Firefox.24 Date#getTimezoneOffset returns a floating point.
3306        // https://github.com/moment/moment/pull/1871
3307        return -Math.round(m._d.getTimezoneOffset());
3308    }
3309
3310    // HOOKS
3311
3312    // This function will be called whenever a moment is mutated.
3313    // It is intended to keep the offset in sync with the timezone.
3314    hooks.updateOffset = function () {};
3315
3316    // MOMENTS
3317
3318    // keepLocalTime = true means only change the timezone, without
3319    // affecting the local hour. So 5:31:26 +0300 --[utcOffset(2, true)]-->
3320    // 5:31:26 +0200 It is possible that 5:31:26 doesn't exist with offset
3321    // +0200, so we adjust the time as needed, to be valid.
3322    //
3323    // Keeping the time actually adds/subtracts (one hour)
3324    // from the actual represented time. That is why we call updateOffset
3325    // a second time. In case it wants us to change the offset again
3326    // _changeInProgress == true case, then we have to adjust, because
3327    // there is no such time in the given timezone.
3328    function getSetOffset(input, keepLocalTime, keepMinutes) {
3329        var offset = this._offset || 0,
3330            localAdjust;
3331        if (!this.isValid()) {
3332            return input != null ? this : NaN;
3333        }
3334        if (input != null) {
3335            if (typeof input === 'string') {
3336                input = offsetFromString(matchShortOffset, input);
3337                if (input === null) {
3338                    return this;
3339                }
3340            } else if (Math.abs(input) < 16 && !keepMinutes) {
3341                input = input * 60;
3342            }
3343            if (!this._isUTC && keepLocalTime) {
3344                localAdjust = getDateOffset(this);
3345            }
3346            this._offset = input;
3347            this._isUTC = true;
3348            if (localAdjust != null) {
3349                this.add(localAdjust, 'm');
3350            }
3351            if (offset !== input) {
3352                if (!keepLocalTime || this._changeInProgress) {
3353                    addSubtract(
3354                        this,
3355                        createDuration(input - offset, 'm'),
3356                        1,
3357                        false
3358                    );
3359                } else if (!this._changeInProgress) {
3360                    this._changeInProgress = true;
3361                    hooks.updateOffset(this, true);
3362                    this._changeInProgress = null;
3363                }
3364            }
3365            return this;
3366        } else {
3367            return this._isUTC ? offset : getDateOffset(this);
3368        }
3369    }
3370
3371    function getSetZone(input, keepLocalTime) {
3372        if (input != null) {
3373            if (typeof input !== 'string') {
3374                input = -input;
3375            }
3376
3377            this.utcOffset(input, keepLocalTime);
3378
3379            return this;
3380        } else {
3381            return -this.utcOffset();
3382        }
3383    }
3384
3385    function setOffsetToUTC(keepLocalTime) {
3386        return this.utcOffset(0, keepLocalTime);
3387    }
3388
3389    function setOffsetToLocal(keepLocalTime) {
3390        if (this._isUTC) {
3391            this.utcOffset(0, keepLocalTime);
3392            this._isUTC = false;
3393
3394            if (keepLocalTime) {
3395                this.subtract(getDateOffset(this), 'm');
3396            }
3397        }
3398        return this;
3399    }
3400
3401    function setOffsetToParsedOffset() {
3402        if (this._tzm != null) {
3403            this.utcOffset(this._tzm, false, true);
3404        } else if (typeof this._i === 'string') {
3405            var tZone = offsetFromString(matchOffset, this._i);
3406            if (tZone != null) {
3407                this.utcOffset(tZone);
3408            } else {
3409                this.utcOffset(0, true);
3410            }
3411        }
3412        return this;
3413    }
3414
3415    function hasAlignedHourOffset(input) {
3416        if (!this.isValid()) {
3417            return false;
3418        }
3419        input = input ? createLocal(input).utcOffset() : 0;
3420
3421        return (this.utcOffset() - input) % 60 === 0;
3422    }
3423
3424    function isDaylightSavingTime() {
3425        return (
3426            this.utcOffset() > this.clone().month(0).utcOffset() ||
3427            this.utcOffset() > this.clone().month(5).utcOffset()
3428        );
3429    }
3430
3431    function isDaylightSavingTimeShifted() {
3432        if (!isUndefined(this._isDSTShifted)) {
3433            return this._isDSTShifted;
3434        }
3435
3436        var c = {},
3437            other;
3438
3439        copyConfig(c, this);
3440        c = prepareConfig(c);
3441
3442        if (c._a) {
3443            other = c._isUTC ? createUTC(c._a) : createLocal(c._a);
3444            this._isDSTShifted =
3445                this.isValid() && compareArrays(c._a, other.toArray()) > 0;
3446        } else {
3447            this._isDSTShifted = false;
3448        }
3449
3450        return this._isDSTShifted;
3451    }
3452
3453    function isLocal() {
3454        return this.isValid() ? !this._isUTC : false;
3455    }
3456
3457    function isUtcOffset() {
3458        return this.isValid() ? this._isUTC : false;
3459    }
3460
3461    function isUtc() {
3462        return this.isValid() ? this._isUTC && this._offset === 0 : false;
3463    }
3464
3465    // ASP.NET json date format regex
3466    var aspNetRegex = /^(-|\+)?(?:(\d*)[. ])?(\d+):(\d+)(?::(\d+)(\.\d*)?)?$/,
3467        // from http://docs.closure-library.googlecode.com/git/closure_goog_date_date.js.source.html
3468        // somewhat more in line with 4.4.3.2 2004 spec, but allows decimal anywhere
3469        // and further modified to allow for strings containing both week and day
3470        isoRegex =
3471            /^(-|\+)?P(?:([-+]?[0-9,.]*)Y)?(?:([-+]?[0-9,.]*)M)?(?:([-+]?[0-9,.]*)W)?(?:([-+]?[0-9,.]*)D)?(?:T(?:([-+]?[0-9,.]*)H)?(?:([-+]?[0-9,.]*)M)?(?:([-+]?[0-9,.]*)S)?)?$/;
3472
3473    function createDuration(input, key) {
3474        var duration = input,
3475            // matching against regexp is expensive, do it on demand
3476            match = null,
3477            sign,
3478            ret,
3479            diffRes;
3480
3481        if (isDuration(input)) {
3482            duration = {
3483                ms: input._milliseconds,
3484                d: input._days,
3485                M: input._months,
3486            };
3487        } else if (isNumber(input) || !isNaN(+input)) {
3488            duration = {};
3489            if (key) {
3490                duration[key] = +input;
3491            } else {
3492                duration.milliseconds = +input;
3493            }
3494        } else if ((match = aspNetRegex.exec(input))) {
3495            sign = match[1] === '-' ? -1 : 1;
3496            duration = {
3497                y: 0,
3498                d: toInt(match[DATE]) * sign,
3499                h: toInt(match[HOUR]) * sign,
3500                m: toInt(match[MINUTE]) * sign,
3501                s: toInt(match[SECOND]) * sign,
3502                ms: toInt(absRound(match[MILLISECOND] * 1000)) * sign, // the millisecond decimal point is included in the match
3503            };
3504        } else if ((match = isoRegex.exec(input))) {
3505            sign = match[1] === '-' ? -1 : 1;
3506            duration = {
3507                y: parseIso(match[2], sign),
3508                M: parseIso(match[3], sign),
3509                w: parseIso(match[4], sign),
3510                d: parseIso(match[5], sign),
3511                h: parseIso(match[6], sign),
3512                m: parseIso(match[7], sign),
3513                s: parseIso(match[8], sign),
3514            };
3515        } else if (duration == null) {
3516            // checks for null or undefined
3517            duration = {};
3518        } else if (
3519            typeof duration === 'object' &&
3520            ('from' in duration || 'to' in duration)
3521        ) {
3522            diffRes = momentsDifference(
3523                createLocal(duration.from),
3524                createLocal(duration.to)
3525            );
3526
3527            duration = {};
3528            duration.ms = diffRes.milliseconds;
3529            duration.M = diffRes.months;
3530        }
3531
3532        ret = new Duration(duration);
3533
3534        if (isDuration(input) && hasOwnProp(input, '_locale')) {
3535            ret._locale = input._locale;
3536        }
3537
3538        if (isDuration(input) && hasOwnProp(input, '_isValid')) {
3539            ret._isValid = input._isValid;
3540        }
3541
3542        return ret;
3543    }
3544
3545    createDuration.fn = Duration.prototype;
3546    createDuration.invalid = createInvalid$1;
3547
3548    function parseIso(inp, sign) {
3549        // We'd normally use ~~inp for this, but unfortunately it also
3550        // converts floats to ints.
3551        // inp may be undefined, so careful calling replace on it.
3552        var res = inp && parseFloat(inp.replace(',', '.'));
3553        // apply sign while we're at it
3554        return (isNaN(res) ? 0 : res) * sign;
3555    }
3556
3557    function positiveMomentsDifference(base, other) {
3558        var res = {};
3559
3560        res.months =
3561            other.month() - base.month() + (other.year() - base.year()) * 12;
3562        if (base.clone().add(res.months, 'M').isAfter(other)) {
3563            --res.months;
3564        }
3565
3566        res.milliseconds = +other - +base.clone().add(res.months, 'M');
3567
3568        return res;
3569    }
3570
3571    function momentsDifference(base, other) {
3572        var res;
3573        if (!(base.isValid() && other.isValid())) {
3574            return { milliseconds: 0, months: 0 };
3575        }
3576
3577        other = cloneWithOffset(other, base);
3578        if (base.isBefore(other)) {
3579            res = positiveMomentsDifference(base, other);
3580        } else {
3581            res = positiveMomentsDifference(other, base);
3582            res.milliseconds = -res.milliseconds;
3583            res.months = -res.months;
3584        }
3585
3586        return res;
3587    }
3588
3589    // TODO: remove 'name' arg after deprecation is removed
3590    function createAdder(direction, name) {
3591        return function (val, period) {
3592            var dur, tmp;
3593            //invert the arguments, but complain about it
3594            if (period !== null && !isNaN(+period)) {
3595                deprecateSimple(
3596                    name,
3597                    'moment().' +
3598                        name +
3599                        '(period, number) is deprecated. Please use moment().' +
3600                        name +
3601                        '(number, period). ' +
3602                        'See http://momentjs.com/guides/#/warnings/add-inverted-param/ for more info.'
3603                );
3604                tmp = val;
3605                val = period;
3606                period = tmp;
3607            }
3608
3609            dur = createDuration(val, period);
3610            addSubtract(this, dur, direction);
3611            return this;
3612        };
3613    }
3614
3615    function addSubtract(mom, duration, isAdding, updateOffset) {
3616        var milliseconds = duration._milliseconds,
3617            days = absRound(duration._days),
3618            months = absRound(duration._months);
3619
3620        if (!mom.isValid()) {
3621            // No op
3622            return;
3623        }
3624
3625        updateOffset = updateOffset == null ? true : updateOffset;
3626
3627        if (months) {
3628            setMonth(mom, get(mom, 'Month') + months * isAdding);
3629        }
3630        if (days) {
3631            set$1(mom, 'Date', get(mom, 'Date') + days * isAdding);
3632        }
3633        if (milliseconds) {
3634            mom._d.setTime(mom._d.valueOf() + milliseconds * isAdding);
3635        }
3636        if (updateOffset) {
3637            hooks.updateOffset(mom, days || months);
3638        }
3639    }
3640
3641    var add = createAdder(1, 'add'),
3642        subtract = createAdder(-1, 'subtract');
3643
3644    function isString(input) {
3645        return typeof input === 'string' || input instanceof String;
3646    }
3647
3648    // type MomentInput = Moment | Date | string | number | (number | string)[] | MomentInputObject | void; // null | undefined
3649    function isMomentInput(input) {
3650        return (
3651            isMoment(input) ||
3652            isDate(input) ||
3653            isString(input) ||
3654            isNumber(input) ||
3655            isNumberOrStringArray(input) ||
3656            isMomentInputObject(input) ||
3657            input === null ||
3658            input === undefined
3659        );
3660    }
3661
3662    function isMomentInputObject(input) {
3663        var objectTest = isObject(input) && !isObjectEmpty(input),
3664            propertyTest = false,
3665            properties = [
3666                'years',
3667                'year',
3668                'y',
3669                'months',
3670                'month',
3671                'M',
3672                'days',
3673                'day',
3674                'd',
3675                'dates',
3676                'date',
3677                'D',
3678                'hours',
3679                'hour',
3680                'h',
3681                'minutes',
3682                'minute',
3683                'm',
3684                'seconds',
3685                'second',
3686                's',
3687                'milliseconds',
3688                'millisecond',
3689                'ms',
3690            ],
3691            i,
3692            property,
3693            propertyLen = properties.length;
3694
3695        for (i = 0; i < propertyLen; i += 1) {
3696            property = properties[i];
3697            propertyTest = propertyTest || hasOwnProp(input, property);
3698        }
3699
3700        return objectTest && propertyTest;
3701    }
3702
3703    function isNumberOrStringArray(input) {
3704        var arrayTest = isArray(input),
3705            dataTypeTest = false;
3706        if (arrayTest) {
3707            dataTypeTest =
3708                input.filter(function (item) {
3709                    return !isNumber(item) && isString(input);
3710                }).length === 0;
3711        }
3712        return arrayTest && dataTypeTest;
3713    }
3714
3715    function isCalendarSpec(input) {
3716        var objectTest = isObject(input) && !isObjectEmpty(input),
3717            propertyTest = false,
3718            properties = [
3719                'sameDay',
3720                'nextDay',
3721                'lastDay',
3722                'nextWeek',
3723                'lastWeek',
3724                'sameElse',
3725            ],
3726            i,
3727            property;
3728
3729        for (i = 0; i < properties.length; i += 1) {
3730            property = properties[i];
3731            propertyTest = propertyTest || hasOwnProp(input, property);
3732        }
3733
3734        return objectTest && propertyTest;
3735    }
3736
3737    function getCalendarFormat(myMoment, now) {
3738        var diff = myMoment.diff(now, 'days', true);
3739        return diff < -6
3740            ? 'sameElse'
3741            : diff < -1
3742            ? 'lastWeek'
3743            : diff < 0
3744            ? 'lastDay'
3745            : diff < 1
3746            ? 'sameDay'
3747            : diff < 2
3748            ? 'nextDay'
3749            : diff < 7
3750            ? 'nextWeek'
3751            : 'sameElse';
3752    }
3753
3754    function calendar$1(time, formats) {
3755        // Support for single parameter, formats only overload to the calendar function
3756        if (arguments.length === 1) {
3757            if (!arguments[0]) {
3758                time = undefined;
3759                formats = undefined;
3760            } else if (isMomentInput(arguments[0])) {
3761                time = arguments[0];
3762                formats = undefined;
3763            } else if (isCalendarSpec(arguments[0])) {
3764                formats = arguments[0];
3765                time = undefined;
3766            }
3767        }
3768        // We want to compare the start of today, vs this.
3769        // Getting start-of-today depends on whether we're local/utc/offset or not.
3770        var now = time || createLocal(),
3771            sod = cloneWithOffset(now, this).startOf('day'),
3772            format = hooks.calendarFormat(this, sod) || 'sameElse',
3773            output =
3774                formats &&
3775                (isFunction(formats[format])
3776                    ? formats[format].call(this, now)
3777                    : formats[format]);
3778
3779        return this.format(
3780            output || this.localeData().calendar(format, this, createLocal(now))
3781        );
3782    }
3783
3784    function clone() {
3785        return new Moment(this);
3786    }
3787
3788    function isAfter(input, units) {
3789        var localInput = isMoment(input) ? input : createLocal(input);
3790        if (!(this.isValid() && localInput.isValid())) {
3791            return false;
3792        }
3793        units = normalizeUnits(units) || 'millisecond';
3794        if (units === 'millisecond') {
3795            return this.valueOf() > localInput.valueOf();
3796        } else {
3797            return localInput.valueOf() < this.clone().startOf(units).valueOf();
3798        }
3799    }
3800
3801    function isBefore(input, units) {
3802        var localInput = isMoment(input) ? input : createLocal(input);
3803        if (!(this.isValid() && localInput.isValid())) {
3804            return false;
3805        }
3806        units = normalizeUnits(units) || 'millisecond';
3807        if (units === 'millisecond') {
3808            return this.valueOf() < localInput.valueOf();
3809        } else {
3810            return this.clone().endOf(units).valueOf() < localInput.valueOf();
3811        }
3812    }
3813
3814    function isBetween(from, to, units, inclusivity) {
3815        var localFrom = isMoment(from) ? from : createLocal(from),
3816            localTo = isMoment(to) ? to : createLocal(to);
3817        if (!(this.isValid() && localFrom.isValid() && localTo.isValid())) {
3818            return false;
3819        }
3820        inclusivity = inclusivity || '()';
3821        return (
3822            (inclusivity[0] === '('
3823                ? this.isAfter(localFrom, units)
3824                : !this.isBefore(localFrom, units)) &&
3825            (inclusivity[1] === ')'
3826                ? this.isBefore(localTo, units)
3827                : !this.isAfter(localTo, units))
3828        );
3829    }
3830
3831    function isSame(input, units) {
3832        var localInput = isMoment(input) ? input : createLocal(input),
3833            inputMs;
3834        if (!(this.isValid() && localInput.isValid())) {
3835            return false;
3836        }
3837        units = normalizeUnits(units) || 'millisecond';
3838        if (units === 'millisecond') {
3839            return this.valueOf() === localInput.valueOf();
3840        } else {
3841            inputMs = localInput.valueOf();
3842            return (
3843                this.clone().startOf(units).valueOf() <= inputMs &&
3844                inputMs <= this.clone().endOf(units).valueOf()
3845            );
3846        }
3847    }
3848
3849    function isSameOrAfter(input, units) {
3850        return this.isSame(input, units) || this.isAfter(input, units);
3851    }
3852
3853    function isSameOrBefore(input, units) {
3854        return this.isSame(input, units) || this.isBefore(input, units);
3855    }
3856
3857    function diff(input, units, asFloat) {
3858        var that, zoneDelta, output;
3859
3860        if (!this.isValid()) {
3861            return NaN;
3862        }
3863
3864        that = cloneWithOffset(input, this);
3865
3866        if (!that.isValid()) {
3867            return NaN;
3868        }
3869
3870        zoneDelta = (that.utcOffset() - this.utcOffset()) * 6e4;
3871
3872        units = normalizeUnits(units);
3873
3874        switch (units) {
3875            case 'year':
3876                output = monthDiff(this, that) / 12;
3877                break;
3878            case 'month':
3879                output = monthDiff(this, that);
3880                break;
3881            case 'quarter':
3882                output = monthDiff(this, that) / 3;
3883                break;
3884            case 'second':
3885                output = (this - that) / 1e3;
3886                break; // 1000
3887            case 'minute':
3888                output = (this - that) / 6e4;
3889                break; // 1000 * 60
3890            case 'hour':
3891                output = (this - that) / 36e5;
3892                break; // 1000 * 60 * 60
3893            case 'day':
3894                output = (this - that - zoneDelta) / 864e5;
3895                break; // 1000 * 60 * 60 * 24, negate dst
3896            case 'week':
3897                output = (this - that - zoneDelta) / 6048e5;
3898                break; // 1000 * 60 * 60 * 24 * 7, negate dst
3899            default:
3900                output = this - that;
3901        }
3902
3903        return asFloat ? output : absFloor(output);
3904    }
3905
3906    function monthDiff(a, b) {
3907        if (a.date() < b.date()) {
3908            // end-of-month calculations work correct when the start month has more
3909            // days than the end month.
3910            return -monthDiff(b, a);
3911        }
3912        // difference in months
3913        var wholeMonthDiff = (b.year() - a.year()) * 12 + (b.month() - a.month()),
3914            // b is in (anchor - 1 month, anchor + 1 month)
3915            anchor = a.clone().add(wholeMonthDiff, 'months'),
3916            anchor2,
3917            adjust;
3918
3919        if (b - anchor < 0) {
3920            anchor2 = a.clone().add(wholeMonthDiff - 1, 'months');
3921            // linear across the month
3922            adjust = (b - anchor) / (anchor - anchor2);
3923        } else {
3924            anchor2 = a.clone().add(wholeMonthDiff + 1, 'months');
3925            // linear across the month
3926            adjust = (b - anchor) / (anchor2 - anchor);
3927        }
3928
3929        //check for negative zero, return zero if negative zero
3930        return -(wholeMonthDiff + adjust) || 0;
3931    }
3932
3933    hooks.defaultFormat = 'YYYY-MM-DDTHH:mm:ssZ';
3934    hooks.defaultFormatUtc = 'YYYY-MM-DDTHH:mm:ss[Z]';
3935
3936    function toString() {
3937        return this.clone().locale('en').format('ddd MMM DD YYYY HH:mm:ss [GMT]ZZ');
3938    }
3939
3940    function toISOString(keepOffset) {
3941        if (!this.isValid()) {
3942            return null;
3943        }
3944        var utc = keepOffset !== true,
3945            m = utc ? this.clone().utc() : this;
3946        if (m.year() < 0 || m.year() > 9999) {
3947            return formatMoment(
3948                m,
3949                utc
3950                    ? 'YYYYYY-MM-DD[T]HH:mm:ss.SSS[Z]'
3951                    : 'YYYYYY-MM-DD[T]HH:mm:ss.SSSZ'
3952            );
3953        }
3954        if (isFunction(Date.prototype.toISOString)) {
3955            // native implementation is ~50x faster, use it when we can
3956            if (utc) {
3957                return this.toDate().toISOString();
3958            } else {
3959                return new Date(this.valueOf() + this.utcOffset() * 60 * 1000)
3960                    .toISOString()
3961                    .replace('Z', formatMoment(m, 'Z'));
3962            }
3963        }
3964        return formatMoment(
3965            m,
3966            utc ? 'YYYY-MM-DD[T]HH:mm:ss.SSS[Z]' : 'YYYY-MM-DD[T]HH:mm:ss.SSSZ'
3967        );
3968    }
3969
3970    /**
3971     * Return a human readable representation of a moment that can
3972     * also be evaluated to get a new moment which is the same
3973     *
3974     * @link https://nodejs.org/dist/latest/docs/api/util.html#util_custom_inspect_function_on_objects
3975     */
3976    function inspect() {
3977        if (!this.isValid()) {
3978            return 'moment.invalid(/* ' + this._i + ' */)';
3979        }
3980        var func = 'moment',
3981            zone = '',
3982            prefix,
3983            year,
3984            datetime,
3985            suffix;
3986        if (!this.isLocal()) {
3987            func = this.utcOffset() === 0 ? 'moment.utc' : 'moment.parseZone';
3988            zone = 'Z';
3989        }
3990        prefix = '[' + func + '("]';
3991        year = 0 <= this.year() && this.year() <= 9999 ? 'YYYY' : 'YYYYYY';
3992        datetime = '-MM-DD[T]HH:mm:ss.SSS';
3993        suffix = zone + '[")]';
3994
3995        return this.format(prefix + year + datetime + suffix);
3996    }
3997
3998    function format(inputString) {
3999        if (!inputString) {
4000            inputString = this.isUtc()
4001                ? hooks.defaultFormatUtc
4002                : hooks.defaultFormat;
4003        }
4004        var output = formatMoment(this, inputString);
4005        return this.localeData().postformat(output);
4006    }
4007
4008    function from(time, withoutSuffix) {
4009        if (
4010            this.isValid() &&
4011            ((isMoment(time) && time.isValid()) || createLocal(time).isValid())
4012        ) {
4013            return createDuration({ to: this, from: time })
4014                .locale(this.locale())
4015                .humanize(!withoutSuffix);
4016        } else {
4017            return this.localeData().invalidDate();
4018        }
4019    }
4020
4021    function fromNow(withoutSuffix) {
4022        return this.from(createLocal(), withoutSuffix);
4023    }
4024
4025    function to(time, withoutSuffix) {
4026        if (
4027            this.isValid() &&
4028            ((isMoment(time) && time.isValid()) || createLocal(time).isValid())
4029        ) {
4030            return createDuration({ from: this, to: time })
4031                .locale(this.locale())
4032                .humanize(!withoutSuffix);
4033        } else {
4034            return this.localeData().invalidDate();
4035        }
4036    }
4037
4038    function toNow(withoutSuffix) {
4039        return this.to(createLocal(), withoutSuffix);
4040    }
4041
4042    // If passed a locale key, it will set the locale for this
4043    // instance.  Otherwise, it will return the locale configuration
4044    // variables for this instance.
4045    function locale(key) {
4046        var newLocaleData;
4047
4048        if (key === undefined) {
4049            return this._locale._abbr;
4050        } else {
4051            newLocaleData = getLocale(key);
4052            if (newLocaleData != null) {
4053                this._locale = newLocaleData;
4054            }
4055            return this;
4056        }
4057    }
4058
4059    var lang = deprecate(
4060        'moment().lang() is deprecated. Instead, use moment().localeData() to get the language configuration. Use moment().locale() to change languages.',
4061        function (key) {
4062            if (key === undefined) {
4063                return this.localeData();
4064            } else {
4065                return this.locale(key);
4066            }
4067        }
4068    );
4069
4070    function localeData() {
4071        return this._locale;
4072    }
4073
4074    var MS_PER_SECOND = 1000,
4075        MS_PER_MINUTE = 60 * MS_PER_SECOND,
4076        MS_PER_HOUR = 60 * MS_PER_MINUTE,
4077        MS_PER_400_YEARS = (365 * 400 + 97) * 24 * MS_PER_HOUR;
4078
4079    // actual modulo - handles negative numbers (for dates before 1970):
4080    function mod$1(dividend, divisor) {
4081        return ((dividend % divisor) + divisor) % divisor;
4082    }
4083
4084    function localStartOfDate(y, m, d) {
4085        // the date constructor remaps years 0-99 to 1900-1999
4086        if (y < 100 && y >= 0) {
4087            // preserve leap years using a full 400 year cycle, then reset
4088            return new Date(y + 400, m, d) - MS_PER_400_YEARS;
4089        } else {
4090            return new Date(y, m, d).valueOf();
4091        }
4092    }
4093
4094    function utcStartOfDate(y, m, d) {
4095        // Date.UTC remaps years 0-99 to 1900-1999
4096        if (y < 100 && y >= 0) {
4097            // preserve leap years using a full 400 year cycle, then reset
4098            return Date.UTC(y + 400, m, d) - MS_PER_400_YEARS;
4099        } else {
4100            return Date.UTC(y, m, d);
4101        }
4102    }
4103
4104    function startOf(units) {
4105        var time, startOfDate;
4106        units = normalizeUnits(units);
4107        if (units === undefined || units === 'millisecond' || !this.isValid()) {
4108            return this;
4109        }
4110
4111        startOfDate = this._isUTC ? utcStartOfDate : localStartOfDate;
4112
4113        switch (units) {
4114            case 'year':
4115                time = startOfDate(this.year(), 0, 1);
4116                break;
4117            case 'quarter':
4118                time = startOfDate(
4119                    this.year(),
4120                    this.month() - (this.month() % 3),
4121                    1
4122                );
4123                break;
4124            case 'month':
4125                time = startOfDate(this.year(), this.month(), 1);
4126                break;
4127            case 'week':
4128                time = startOfDate(
4129                    this.year(),
4130                    this.month(),
4131                    this.date() - this.weekday()
4132                );
4133                break;
4134            case 'isoWeek':
4135                time = startOfDate(
4136                    this.year(),
4137                    this.month(),
4138                    this.date() - (this.isoWeekday() - 1)
4139                );
4140                break;
4141            case 'day':
4142            case 'date':
4143                time = startOfDate(this.year(), this.month(), this.date());
4144                break;
4145            case 'hour':
4146                time = this._d.valueOf();
4147                time -= mod$1(
4148                    time + (this._isUTC ? 0 : this.utcOffset() * MS_PER_MINUTE),
4149                    MS_PER_HOUR
4150                );
4151                break;
4152            case 'minute':
4153                time = this._d.valueOf();
4154                time -= mod$1(time, MS_PER_MINUTE);
4155                break;
4156            case 'second':
4157                time = this._d.valueOf();
4158                time -= mod$1(time, MS_PER_SECOND);
4159                break;
4160        }
4161
4162        this._d.setTime(time);
4163        hooks.updateOffset(this, true);
4164        return this;
4165    }
4166
4167    function endOf(units) {
4168        var time, startOfDate;
4169        units = normalizeUnits(units);
4170        if (units === undefined || units === 'millisecond' || !this.isValid()) {
4171            return this;
4172        }
4173
4174        startOfDate = this._isUTC ? utcStartOfDate : localStartOfDate;
4175
4176        switch (units) {
4177            case 'year':
4178                time = startOfDate(this.year() + 1, 0, 1) - 1;
4179                break;
4180            case 'quarter':
4181                time =
4182                    startOfDate(
4183                        this.year(),
4184                        this.month() - (this.month() % 3) + 3,
4185                        1
4186                    ) - 1;
4187                break;
4188            case 'month':
4189                time = startOfDate(this.year(), this.month() + 1, 1) - 1;
4190                break;
4191            case 'week':
4192                time =
4193                    startOfDate(
4194                        this.year(),
4195                        this.month(),
4196                        this.date() - this.weekday() + 7
4197                    ) - 1;
4198                break;
4199            case 'isoWeek':
4200                time =
4201                    startOfDate(
4202                        this.year(),
4203                        this.month(),
4204                        this.date() - (this.isoWeekday() - 1) + 7
4205                    ) - 1;
4206                break;
4207            case 'day':
4208            case 'date':
4209                time = startOfDate(this.year(), this.month(), this.date() + 1) - 1;
4210                break;
4211            case 'hour':
4212                time = this._d.valueOf();
4213                time +=
4214                    MS_PER_HOUR -
4215                    mod$1(
4216                        time + (this._isUTC ? 0 : this.utcOffset() * MS_PER_MINUTE),
4217                        MS_PER_HOUR
4218                    ) -
4219                    1;
4220                break;
4221            case 'minute':
4222                time = this._d.valueOf();
4223                time += MS_PER_MINUTE - mod$1(time, MS_PER_MINUTE) - 1;
4224                break;
4225            case 'second':
4226                time = this._d.valueOf();
4227                time += MS_PER_SECOND - mod$1(time, MS_PER_SECOND) - 1;
4228                break;
4229        }
4230
4231        this._d.setTime(time);
4232        hooks.updateOffset(this, true);
4233        return this;
4234    }
4235
4236    function valueOf() {
4237        return this._d.valueOf() - (this._offset || 0) * 60000;
4238    }
4239
4240    function unix() {
4241        return Math.floor(this.valueOf() / 1000);
4242    }
4243
4244    function toDate() {
4245        return new Date(this.valueOf());
4246    }
4247
4248    function toArray() {
4249        var m = this;
4250        return [
4251            m.year(),
4252            m.month(),
4253            m.date(),
4254            m.hour(),
4255            m.minute(),
4256            m.second(),
4257            m.millisecond(),
4258        ];
4259    }
4260
4261    function toObject() {
4262        var m = this;
4263        return {
4264            years: m.year(),
4265            months: m.month(),
4266            date: m.date(),
4267            hours: m.hours(),
4268            minutes: m.minutes(),
4269            seconds: m.seconds(),
4270            milliseconds: m.milliseconds(),
4271        };
4272    }
4273
4274    function toJSON() {
4275        // new Date(NaN).toJSON() === null
4276        return this.isValid() ? this.toISOString() : null;
4277    }
4278
4279    function isValid$2() {
4280        return isValid(this);
4281    }
4282
4283    function parsingFlags() {
4284        return extend({}, getParsingFlags(this));
4285    }
4286
4287    function invalidAt() {
4288        return getParsingFlags(this).overflow;
4289    }
4290
4291    function creationData() {
4292        return {
4293            input: this._i,
4294            format: this._f,
4295            locale: this._locale,
4296            isUTC: this._isUTC,
4297            strict: this._strict,
4298        };
4299    }
4300
4301    addFormatToken('N', 0, 0, 'eraAbbr');
4302    addFormatToken('NN', 0, 0, 'eraAbbr');
4303    addFormatToken('NNN', 0, 0, 'eraAbbr');
4304    addFormatToken('NNNN', 0, 0, 'eraName');
4305    addFormatToken('NNNNN', 0, 0, 'eraNarrow');
4306
4307    addFormatToken('y', ['y', 1], 'yo', 'eraYear');
4308    addFormatToken('y', ['yy', 2], 0, 'eraYear');
4309    addFormatToken('y', ['yyy', 3], 0, 'eraYear');
4310    addFormatToken('y', ['yyyy', 4], 0, 'eraYear');
4311
4312    addRegexToken('N', matchEraAbbr);
4313    addRegexToken('NN', matchEraAbbr);
4314    addRegexToken('NNN', matchEraAbbr);
4315    addRegexToken('NNNN', matchEraName);
4316    addRegexToken('NNNNN', matchEraNarrow);
4317
4318    addParseToken(
4319        ['N', 'NN', 'NNN', 'NNNN', 'NNNNN'],
4320        function (input, array, config, token) {
4321            var era = config._locale.erasParse(input, token, config._strict);
4322            if (era) {
4323                getParsingFlags(config).era = era;
4324            } else {
4325                getParsingFlags(config).invalidEra = input;
4326            }
4327        }
4328    );
4329
4330    addRegexToken('y', matchUnsigned);
4331    addRegexToken('yy', matchUnsigned);
4332    addRegexToken('yyy', matchUnsigned);
4333    addRegexToken('yyyy', matchUnsigned);
4334    addRegexToken('yo', matchEraYearOrdinal);
4335
4336    addParseToken(['y', 'yy', 'yyy', 'yyyy'], YEAR);
4337    addParseToken(['yo'], function (input, array, config, token) {
4338        var match;
4339        if (config._locale._eraYearOrdinalRegex) {
4340            match = input.match(config._locale._eraYearOrdinalRegex);
4341        }
4342
4343        if (config._locale.eraYearOrdinalParse) {
4344            array[YEAR] = config._locale.eraYearOrdinalParse(input, match);
4345        } else {
4346            array[YEAR] = parseInt(input, 10);
4347        }
4348    });
4349
4350    function localeEras(m, format) {
4351        var i,
4352            l,
4353            date,
4354            eras = this._eras || getLocale('en')._eras;
4355        for (i = 0, l = eras.length; i < l; ++i) {
4356            switch (typeof eras[i].since) {
4357                case 'string':
4358                    // truncate time
4359                    date = hooks(eras[i].since).startOf('day');
4360                    eras[i].since = date.valueOf();
4361                    break;
4362            }
4363
4364            switch (typeof eras[i].until) {
4365                case 'undefined':
4366                    eras[i].until = +Infinity;
4367                    break;
4368                case 'string':
4369                    // truncate time
4370                    date = hooks(eras[i].until).startOf('day').valueOf();
4371                    eras[i].until = date.valueOf();
4372                    break;
4373            }
4374        }
4375        return eras;
4376    }
4377
4378    function localeErasParse(eraName, format, strict) {
4379        var i,
4380            l,
4381            eras = this.eras(),
4382            name,
4383            abbr,
4384            narrow;
4385        eraName = eraName.toUpperCase();
4386
4387        for (i = 0, l = eras.length; i < l; ++i) {
4388            name = eras[i].name.toUpperCase();
4389            abbr = eras[i].abbr.toUpperCase();
4390            narrow = eras[i].narrow.toUpperCase();
4391
4392            if (strict) {
4393                switch (format) {
4394                    case 'N':
4395                    case 'NN':
4396                    case 'NNN':
4397                        if (abbr === eraName) {
4398                            return eras[i];
4399                        }
4400                        break;
4401
4402                    case 'NNNN':
4403                        if (name === eraName) {
4404                            return eras[i];
4405                        }
4406                        break;
4407
4408                    case 'NNNNN':
4409                        if (narrow === eraName) {
4410                            return eras[i];
4411                        }
4412                        break;
4413                }
4414            } else if ([name, abbr, narrow].indexOf(eraName) >= 0) {
4415                return eras[i];
4416            }
4417        }
4418    }
4419
4420    function localeErasConvertYear(era, year) {
4421        var dir = era.since <= era.until ? +1 : -1;
4422        if (year === undefined) {
4423            return hooks(era.since).year();
4424        } else {
4425            return hooks(era.since).year() + (year - era.offset) * dir;
4426        }
4427    }
4428
4429    function getEraName() {
4430        var i,
4431            l,
4432            val,
4433            eras = this.localeData().eras();
4434        for (i = 0, l = eras.length; i < l; ++i) {
4435            // truncate time
4436            val = this.clone().startOf('day').valueOf();
4437
4438            if (eras[i].since <= val && val <= eras[i].until) {
4439                return eras[i].name;
4440            }
4441            if (eras[i].until <= val && val <= eras[i].since) {
4442                return eras[i].name;
4443            }
4444        }
4445
4446        return '';
4447    }
4448
4449    function getEraNarrow() {
4450        var i,
4451            l,
4452            val,
4453            eras = this.localeData().eras();
4454        for (i = 0, l = eras.length; i < l; ++i) {
4455            // truncate time
4456            val = this.clone().startOf('day').valueOf();
4457
4458            if (eras[i].since <= val && val <= eras[i].until) {
4459                return eras[i].narrow;
4460            }
4461            if (eras[i].until <= val && val <= eras[i].since) {
4462                return eras[i].narrow;
4463            }
4464        }
4465
4466        return '';
4467    }
4468
4469    function getEraAbbr() {
4470        var i,
4471            l,
4472            val,
4473            eras = this.localeData().eras();
4474        for (i = 0, l = eras.length; i < l; ++i) {
4475            // truncate time
4476            val = this.clone().startOf('day').valueOf();
4477
4478            if (eras[i].since <= val && val <= eras[i].until) {
4479                return eras[i].abbr;
4480            }
4481            if (eras[i].until <= val && val <= eras[i].since) {
4482                return eras[i].abbr;
4483            }
4484        }
4485
4486        return '';
4487    }
4488
4489    function getEraYear() {
4490        var i,
4491            l,
4492            dir,
4493            val,
4494            eras = this.localeData().eras();
4495        for (i = 0, l = eras.length; i < l; ++i) {
4496            dir = eras[i].since <= eras[i].until ? +1 : -1;
4497
4498            // truncate time
4499            val = this.clone().startOf('day').valueOf();
4500
4501            if (
4502                (eras[i].since <= val && val <= eras[i].until) ||
4503                (eras[i].until <= val && val <= eras[i].since)
4504            ) {
4505                return (
4506                    (this.year() - hooks(eras[i].since).year()) * dir +
4507                    eras[i].offset
4508                );
4509            }
4510        }
4511
4512        return this.year();
4513    }
4514
4515    function erasNameRegex(isStrict) {
4516        if (!hasOwnProp(this, '_erasNameRegex')) {
4517            computeErasParse.call(this);
4518        }
4519        return isStrict ? this._erasNameRegex : this._erasRegex;
4520    }
4521
4522    function erasAbbrRegex(isStrict) {
4523        if (!hasOwnProp(this, '_erasAbbrRegex')) {
4524            computeErasParse.call(this);
4525        }
4526        return isStrict ? this._erasAbbrRegex : this._erasRegex;
4527    }
4528
4529    function erasNarrowRegex(isStrict) {
4530        if (!hasOwnProp(this, '_erasNarrowRegex')) {
4531            computeErasParse.call(this);
4532        }
4533        return isStrict ? this._erasNarrowRegex : this._erasRegex;
4534    }
4535
4536    function matchEraAbbr(isStrict, locale) {
4537        return locale.erasAbbrRegex(isStrict);
4538    }
4539
4540    function matchEraName(isStrict, locale) {
4541        return locale.erasNameRegex(isStrict);
4542    }
4543
4544    function matchEraNarrow(isStrict, locale) {
4545        return locale.erasNarrowRegex(isStrict);
4546    }
4547
4548    function matchEraYearOrdinal(isStrict, locale) {
4549        return locale._eraYearOrdinalRegex || matchUnsigned;
4550    }
4551
4552    function computeErasParse() {
4553        var abbrPieces = [],
4554            namePieces = [],
4555            narrowPieces = [],
4556            mixedPieces = [],
4557            i,
4558            l,
4559            eras = this.eras();
4560
4561        for (i = 0, l = eras.length; i < l; ++i) {
4562            namePieces.push(regexEscape(eras[i].name));
4563            abbrPieces.push(regexEscape(eras[i].abbr));
4564            narrowPieces.push(regexEscape(eras[i].narrow));
4565
4566            mixedPieces.push(regexEscape(eras[i].name));
4567            mixedPieces.push(regexEscape(eras[i].abbr));
4568            mixedPieces.push(regexEscape(eras[i].narrow));
4569        }
4570
4571        this._erasRegex = new RegExp('^(' + mixedPieces.join('|') + ')', 'i');
4572        this._erasNameRegex = new RegExp('^(' + namePieces.join('|') + ')', 'i');
4573        this._erasAbbrRegex = new RegExp('^(' + abbrPieces.join('|') + ')', 'i');
4574        this._erasNarrowRegex = new RegExp(
4575            '^(' + narrowPieces.join('|') + ')',
4576            'i'
4577        );
4578    }
4579
4580    // FORMATTING
4581
4582    addFormatToken(0, ['gg', 2], 0, function () {
4583        return this.weekYear() % 100;
4584    });
4585
4586    addFormatToken(0, ['GG', 2], 0, function () {
4587        return this.isoWeekYear() % 100;
4588    });
4589
4590    function addWeekYearFormatToken(token, getter) {
4591        addFormatToken(0, [token, token.length], 0, getter);
4592    }
4593
4594    addWeekYearFormatToken('gggg', 'weekYear');
4595    addWeekYearFormatToken('ggggg', 'weekYear');
4596    addWeekYearFormatToken('GGGG', 'isoWeekYear');
4597    addWeekYearFormatToken('GGGGG', 'isoWeekYear');
4598
4599    // ALIASES
4600
4601    addUnitAlias('weekYear', 'gg');
4602    addUnitAlias('isoWeekYear', 'GG');
4603
4604    // PRIORITY
4605
4606    addUnitPriority('weekYear', 1);
4607    addUnitPriority('isoWeekYear', 1);
4608
4609    // PARSING
4610
4611    addRegexToken('G', matchSigned);
4612    addRegexToken('g', matchSigned);
4613    addRegexToken('GG', match1to2, match2);
4614    addRegexToken('gg', match1to2, match2);
4615    addRegexToken('GGGG', match1to4, match4);
4616    addRegexToken('gggg', match1to4, match4);
4617    addRegexToken('GGGGG', match1to6, match6);
4618    addRegexToken('ggggg', match1to6, match6);
4619
4620    addWeekParseToken(
4621        ['gggg', 'ggggg', 'GGGG', 'GGGGG'],
4622        function (input, week, config, token) {
4623            week[token.substr(0, 2)] = toInt(input);
4624        }
4625    );
4626
4627    addWeekParseToken(['gg', 'GG'], function (input, week, config, token) {
4628        week[token] = hooks.parseTwoDigitYear(input);
4629    });
4630
4631    // MOMENTS
4632
4633    function getSetWeekYear(input) {
4634        return getSetWeekYearHelper.call(
4635            this,
4636            input,
4637            this.week(),
4638            this.weekday(),
4639            this.localeData()._week.dow,
4640            this.localeData()._week.doy
4641        );
4642    }
4643
4644    function getSetISOWeekYear(input) {
4645        return getSetWeekYearHelper.call(
4646            this,
4647            input,
4648            this.isoWeek(),
4649            this.isoWeekday(),
4650            1,
4651            4
4652        );
4653    }
4654
4655    function getISOWeeksInYear() {
4656        return weeksInYear(this.year(), 1, 4);
4657    }
4658
4659    function getISOWeeksInISOWeekYear() {
4660        return weeksInYear(this.isoWeekYear(), 1, 4);
4661    }
4662
4663    function getWeeksInYear() {
4664        var weekInfo = this.localeData()._week;
4665        return weeksInYear(this.year(), weekInfo.dow, weekInfo.doy);
4666    }
4667
4668    function getWeeksInWeekYear() {
4669        var weekInfo = this.localeData()._week;
4670        return weeksInYear(this.weekYear(), weekInfo.dow, weekInfo.doy);
4671    }
4672
4673    function getSetWeekYearHelper(input, week, weekday, dow, doy) {
4674        var weeksTarget;
4675        if (input == null) {
4676            return weekOfYear(this, dow, doy).year;
4677        } else {
4678            weeksTarget = weeksInYear(input, dow, doy);
4679            if (week > weeksTarget) {
4680                week = weeksTarget;
4681            }
4682            return setWeekAll.call(this, input, week, weekday, dow, doy);
4683        }
4684    }
4685
4686    function setWeekAll(weekYear, week, weekday, dow, doy) {
4687        var dayOfYearData = dayOfYearFromWeeks(weekYear, week, weekday, dow, doy),
4688            date = createUTCDate(dayOfYearData.year, 0, dayOfYearData.dayOfYear);
4689
4690        this.year(date.getUTCFullYear());
4691        this.month(date.getUTCMonth());
4692        this.date(date.getUTCDate());
4693        return this;
4694    }
4695
4696    // FORMATTING
4697
4698    addFormatToken('Q', 0, 'Qo', 'quarter');
4699
4700    // ALIASES
4701
4702    addUnitAlias('quarter', 'Q');
4703
4704    // PRIORITY
4705
4706    addUnitPriority('quarter', 7);
4707
4708    // PARSING
4709
4710    addRegexToken('Q', match1);
4711    addParseToken('Q', function (input, array) {
4712        array[MONTH] = (toInt(input) - 1) * 3;
4713    });
4714
4715    // MOMENTS
4716
4717    function getSetQuarter(input) {
4718        return input == null
4719            ? Math.ceil((this.month() + 1) / 3)
4720            : this.month((input - 1) * 3 + (this.month() % 3));
4721    }
4722
4723    // FORMATTING
4724
4725    addFormatToken('D', ['DD', 2], 'Do', 'date');
4726
4727    // ALIASES
4728
4729    addUnitAlias('date', 'D');
4730
4731    // PRIORITY
4732    addUnitPriority('date', 9);
4733
4734    // PARSING
4735
4736    addRegexToken('D', match1to2);
4737    addRegexToken('DD', match1to2, match2);
4738    addRegexToken('Do', function (isStrict, locale) {
4739        // TODO: Remove "ordinalParse" fallback in next major release.
4740        return isStrict
4741            ? locale._dayOfMonthOrdinalParse || locale._ordinalParse
4742            : locale._dayOfMonthOrdinalParseLenient;
4743    });
4744
4745    addParseToken(['D', 'DD'], DATE);
4746    addParseToken('Do', function (input, array) {
4747        array[DATE] = toInt(input.match(match1to2)[0]);
4748    });
4749
4750    // MOMENTS
4751
4752    var getSetDayOfMonth = makeGetSet('Date', true);
4753
4754    // FORMATTING
4755
4756    addFormatToken('DDD', ['DDDD', 3], 'DDDo', 'dayOfYear');
4757
4758    // ALIASES
4759
4760    addUnitAlias('dayOfYear', 'DDD');
4761
4762    // PRIORITY
4763    addUnitPriority('dayOfYear', 4);
4764
4765    // PARSING
4766
4767    addRegexToken('DDD', match1to3);
4768    addRegexToken('DDDD', match3);
4769    addParseToken(['DDD', 'DDDD'], function (input, array, config) {
4770        config._dayOfYear = toInt(input);
4771    });
4772
4773    // HELPERS
4774
4775    // MOMENTS
4776
4777    function getSetDayOfYear(input) {
4778        var dayOfYear =
4779            Math.round(
4780                (this.clone().startOf('day') - this.clone().startOf('year')) / 864e5
4781            ) + 1;
4782        return input == null ? dayOfYear : this.add(input - dayOfYear, 'd');
4783    }
4784
4785    // FORMATTING
4786
4787    addFormatToken('m', ['mm', 2], 0, 'minute');
4788
4789    // ALIASES
4790
4791    addUnitAlias('minute', 'm');
4792
4793    // PRIORITY
4794
4795    addUnitPriority('minute', 14);
4796
4797    // PARSING
4798
4799    addRegexToken('m', match1to2);
4800    addRegexToken('mm', match1to2, match2);
4801    addParseToken(['m', 'mm'], MINUTE);
4802
4803    // MOMENTS
4804
4805    var getSetMinute = makeGetSet('Minutes', false);
4806
4807    // FORMATTING
4808
4809    addFormatToken('s', ['ss', 2], 0, 'second');
4810
4811    // ALIASES
4812
4813    addUnitAlias('second', 's');
4814
4815    // PRIORITY
4816
4817    addUnitPriority('second', 15);
4818
4819    // PARSING
4820
4821    addRegexToken('s', match1to2);
4822    addRegexToken('ss', match1to2, match2);
4823    addParseToken(['s', 'ss'], SECOND);
4824
4825    // MOMENTS
4826
4827    var getSetSecond = makeGetSet('Seconds', false);
4828
4829    // FORMATTING
4830
4831    addFormatToken('S', 0, 0, function () {
4832        return ~~(this.millisecond() / 100);
4833    });
4834
4835    addFormatToken(0, ['SS', 2], 0, function () {
4836        return ~~(this.millisecond() / 10);
4837    });
4838
4839    addFormatToken(0, ['SSS', 3], 0, 'millisecond');
4840    addFormatToken(0, ['SSSS', 4], 0, function () {
4841        return this.millisecond() * 10;
4842    });
4843    addFormatToken(0, ['SSSSS', 5], 0, function () {
4844        return this.millisecond() * 100;
4845    });
4846    addFormatToken(0, ['SSSSSS', 6], 0, function () {
4847        return this.millisecond() * 1000;
4848    });
4849    addFormatToken(0, ['SSSSSSS', 7], 0, function () {
4850        return this.millisecond() * 10000;
4851    });
4852    addFormatToken(0, ['SSSSSSSS', 8], 0, function () {
4853        return this.millisecond() * 100000;
4854    });
4855    addFormatToken(0, ['SSSSSSSSS', 9], 0, function () {
4856        return this.millisecond() * 1000000;
4857    });
4858
4859    // ALIASES
4860
4861    addUnitAlias('millisecond', 'ms');
4862
4863    // PRIORITY
4864
4865    addUnitPriority('millisecond', 16);
4866
4867    // PARSING
4868
4869    addRegexToken('S', match1to3, match1);
4870    addRegexToken('SS', match1to3, match2);
4871    addRegexToken('SSS', match1to3, match3);
4872
4873    var token, getSetMillisecond;
4874    for (token = 'SSSS'; token.length <= 9; token += 'S') {
4875        addRegexToken(token, matchUnsigned);
4876    }
4877
4878    function parseMs(input, array) {
4879        array[MILLISECOND] = toInt(('0.' + input) * 1000);
4880    }
4881
4882    for (token = 'S'; token.length <= 9; token += 'S') {
4883        addParseToken(token, parseMs);
4884    }
4885
4886    getSetMillisecond = makeGetSet('Milliseconds', false);
4887
4888    // FORMATTING
4889
4890    addFormatToken('z', 0, 0, 'zoneAbbr');
4891    addFormatToken('zz', 0, 0, 'zoneName');
4892
4893    // MOMENTS
4894
4895    function getZoneAbbr() {
4896        return this._isUTC ? 'UTC' : '';
4897    }
4898
4899    function getZoneName() {
4900        return this._isUTC ? 'Coordinated Universal Time' : '';
4901    }
4902
4903    var proto = Moment.prototype;
4904
4905    proto.add = add;
4906    proto.calendar = calendar$1;
4907    proto.clone = clone;
4908    proto.diff = diff;
4909    proto.endOf = endOf;
4910    proto.format = format;
4911    proto.from = from;
4912    proto.fromNow = fromNow;
4913    proto.to = to;
4914    proto.toNow = toNow;
4915    proto.get = stringGet;
4916    proto.invalidAt = invalidAt;
4917    proto.isAfter = isAfter;
4918    proto.isBefore = isBefore;
4919    proto.isBetween = isBetween;
4920    proto.isSame = isSame;
4921    proto.isSameOrAfter = isSameOrAfter;
4922    proto.isSameOrBefore = isSameOrBefore;
4923    proto.isValid = isValid$2;
4924    proto.lang = lang;
4925    proto.locale = locale;
4926    proto.localeData = localeData;
4927    proto.max = prototypeMax;
4928    proto.min = prototypeMin;
4929    proto.parsingFlags = parsingFlags;
4930    proto.set = stringSet;
4931    proto.startOf = startOf;
4932    proto.subtract = subtract;
4933    proto.toArray = toArray;
4934    proto.toObject = toObject;
4935    proto.toDate = toDate;
4936    proto.toISOString = toISOString;
4937    proto.inspect = inspect;
4938    if (typeof Symbol !== 'undefined' && Symbol.for != null) {
4939        proto[Symbol.for('nodejs.util.inspect.custom')] = function () {
4940            return 'Moment<' + this.format() + '>';
4941        };
4942    }
4943    proto.toJSON = toJSON;
4944    proto.toString = toString;
4945    proto.unix = unix;
4946    proto.valueOf = valueOf;
4947    proto.creationData = creationData;
4948    proto.eraName = getEraName;