https://bookings.theoldinn.com/files/js/searchbox.js

62        }
63        return true;
64    }
65
66    function isUndefined(input) {
67        return input === void 0;
68    }
69
70    function isNumber(input) {
71        return typeof input === 'number' || Object.prototype.toString.call(input) === '[object Number]';
72    }
73
74    function isDate(input) {
75        return input instanceof Date || Object.prototype.toString.call(input) === '[object Date]';
76    }
77
78    function map(arr, fn) {
79        var res = [], i;
80        for (i = 0; i < arr.length; ++i) {
81            res.push(fn(arr[i], i));
82        }
83        return res;
84    }
85
86    function hasOwnProp(a, b) {
87        return Object.prototype.hasOwnProperty.call(a, b);
88    }
89
90    function extend(a, b) {
91        for (var i in b) {
92            if (hasOwnProp(b, i)) {
93                a[i] = b[i];
94            }
95        }
96
97        if (hasOwnProp(b, 'toString')) {
98            a.toString = b.toString;
99        }
100
101        if (hasOwnProp(b, 'valueOf')) {
102            a.valueOf = b.valueOf;
103        }
104
105        return a;
106    }
107
108    function createUTC(input, format, locale, strict) {
109        return createLocalOrUTC(input, format, locale, strict, true).utc();
110    }
111
112    function defaultParsingFlags() {
113        // We need to deep clone this object.
114        return {
115            empty: false,
116            unusedTokens: [],
117            unusedInput: [],
118            overflow: -2,
119            charsLeftOver: 0,
120            nullInput: false,
121            invalidMonth: null,
122            invalidFormat: false,
123            userInvalidated: false,
124            iso: false,
125            parsedDateParts: [],
126            meridiem: null,
127            rfc2822: false,
128            weekdayMismatch: false
129        };
130    }
131
132    function getParsingFlags(m) {
133        if (m._pf == null) {
134            m._pf = defaultParsingFlags();
135        }
136        return m._pf;
137    }
138
139    var some;
140    if (Array.prototype.some) {
141        some = Array.prototype.some;
142    } else {
143        some = function (fun) {
144            var t = Object(this);
145            var len = t.length >>> 0;
146
147            for (var i = 0; i < len; i++) {
148                if (i in t && fun.call(this, t[i], i, t)) {
149                    return true;
150                }
151            }
152
153            return false;
154        };
155    }
156
157    var some$1 = some;
158
159    function isValid(m) {
160        if (m._isValid == null) {
161            var flags = getParsingFlags(m);
162            var parsedParts = some$1.call(flags.parsedDateParts, function (i) {
163                return i != null;
164            });
165            var isNowValid = !isNaN(m._d.getTime()) &&
166                flags.overflow < 0 &&
167                !flags.empty &&
168                !flags.invalidMonth &&
169                !flags.invalidWeekday &&
170                !flags.nullInput &&
171                !flags.invalidFormat &&
172                !flags.userInvalidated &&
173                (!flags.meridiem || (flags.meridiem && parsedParts));
174
175            if (m._strict) {
176                isNowValid = isNowValid &&
177                    flags.charsLeftOver === 0 &&
178                    flags.unusedTokens.length === 0 &&
179                    flags.bigHour === undefined;
180            }
181
182            if (Object.isFrozen == null || !Object.isFrozen(m)) {
183                m._isValid = isNowValid;
184            }
185            else {
186                return isNowValid;
187            }
188        }
189        return m._isValid;
190    }
191
192    function createInvalid(flags) {
193        var m = createUTC(NaN);
194        if (flags != null) {
195            extend(getParsingFlags(m), flags);
196        }
197        else {
198            getParsingFlags(m).userInvalidated = true;
199        }
200
201        return m;
202    }
203
204    // Plugins that add properties should also add the key here (null value),
205    // so we can properly clone ourselves.
206    var momentProperties = hooks.momentProperties = [];
207
208    function copyConfig(to, from) {
209        var i, prop, val;
210
211        if (!isUndefined(from._isAMomentObject)) {
212            to._isAMomentObject = from._isAMomentObject;
213        }
214        if (!isUndefined(from._i)) {
215            to._i = from._i;
216        }
217        if (!isUndefined(from._f)) {
218            to._f = from._f;
219        }
220        if (!isUndefined(from._l)) {
221            to._l = from._l;
222        }
223        if (!isUndefined(from._strict)) {
224            to._strict = from._strict;
225        }
226        if (!isUndefined(from._tzm)) {
227            to._tzm = from._tzm;
228        }
229        if (!isUndefined(from._isUTC)) {
230            to._isUTC = from._isUTC;
231        }
232        if (!isUndefined(from._offset)) {
233            to._offset = from._offset;
234        }
235        if (!isUndefined(from._pf)) {
236            to._pf = getParsingFlags(from);
237        }
238        if (!isUndefined(from._locale)) {
239            to._locale = from._locale;
240        }
241
242        if (momentProperties.length > 0) {
243            for (i = 0; i < momentProperties.length; i++) {
244                prop = momentProperties[i];
245                val = from[prop];
246                if (!isUndefined(val)) {
247                    to[prop] = val;
248                }
249            }
250        }
251
252        return to;
253    }
254
255    var updateInProgress = false;
256
257    // Moment prototype object
258    function Moment(config) {
259        copyConfig(this, config);
260        this._d = new Date(config._d != null ? config._d.getTime() : NaN);
261        if (!this.isValid()) {
262            this._d = new Date(NaN);
263        }
264        // Prevent infinite loop in case updateOffset creates new moment
265        // objects.
266        if (updateInProgress === false) {
267            updateInProgress = true;
268            hooks.updateOffset(this);
269            updateInProgress = false;
270        }
271    }
272
273    function isMoment(obj) {
274        return obj instanceof Moment || (obj != null && obj._isAMomentObject != null);
275    }
276
277    function absFloor(number) {
278        if (number < 0) {
279            // -0 -> 0
280            return Math.ceil(number) || 0;
281        } else {
282            return Math.floor(number);
283        }
284    }
285
286    function toInt(argumentForCoercion) {
287        var coercedNumber = +argumentForCoercion,
288            value = 0;
289
290        if (coercedNumber !== 0 && isFinite(coercedNumber)) {
291            value = absFloor(coercedNumber);
292        }
293
294        return value;
295    }
296
297    // compare two arrays, return the number of differences
298    function compareArrays(array1, array2, dontConvert) {
299        var len = Math.min(array1.length, array2.length),
300            lengthDiff = Math.abs(array1.length - array2.length),
301            diffs = 0,
302            i;
303        for (i = 0; i < len; i++) {
304            if ((dontConvert && array1[i] !== array2[i]) ||
305                (!dontConvert && toInt(array1[i]) !== toInt(array2[i]))) {
306                diffs++;
307            }
308        }
309        return diffs + lengthDiff;
310    }
311
312    function warn(msg) {
313        if (hooks.suppressDeprecationWarnings === false &&
314            (typeof console !== 'undefined') && console.warn) {
315            console.warn('Deprecation warning: ' + msg);
316        }
317    }
318
319    function deprecate(msg, fn) {
320        var firstTime = true;
321
322        return extend(function () {
323            if (hooks.deprecationHandler != null) {
324                hooks.deprecationHandler(null, msg);
325            }
326            if (firstTime) {
327                var args = [];
328                var arg;
329                for (var i = 0; i < arguments.length; i++) {
330                    arg = '';
331                    if (typeof arguments[i] === 'object') {
332                        arg += '\n[' + i + '] ';
333                        for (var key in arguments[0]) {
334                            arg += key + ': ' + arguments[0][key] + ', ';
335                        }
336                        arg = arg.slice(0, -2); // Remove trailing comma and space
337                    } else {
338                        arg = arguments[i];
339                    }
340                    args.push(arg);
341                }
342                warn(msg + '\nArguments: ' + Array.prototype.slice.call(args).join('') + '\n' + (new Error()).stack);
343                firstTime = false;
344            }
345            return fn.apply(this, arguments);
346        }, fn);
347    }
348
349    var deprecations = {};
350
351    function deprecateSimple(name, msg) {
352        if (hooks.deprecationHandler != null) {
353            hooks.deprecationHandler(name, msg);
354        }
355        if (!deprecations[name]) {
356            warn(msg);
357            deprecations[name] = true;
358        }
359    }
360
361    hooks.suppressDeprecationWarnings = false;
362    hooks.deprecationHandler = null;
363
364    function isFunction(input) {
365        return input instanceof Function || Object.prototype.toString.call(input) === '[object Function]';
366    }
367
368    function set(config) {
369        var prop, i;
370        for (i in config) {
371            prop = config[i];
372            if (isFunction(prop)) {
373                this[i] = prop;
374            } else {
375                this['_' + i] = prop;
376            }
377        }
378        this._config = config;
379        // Lenient ordinal parsing accepts just a number in addition to
380        // number + (possibly) stuff coming from _dayOfMonthOrdinalParse.
381        // TODO: Remove "ordinalParse" fallback in next major release.
382        this._dayOfMonthOrdinalParseLenient = new RegExp(
383            (this._dayOfMonthOrdinalParse.source || this._ordinalParse.source) +
384            '|' + (/\d{1,2}/).source);
385    }
386
387    function mergeConfigs(parentConfig, childConfig) {
388        var res = extend({}, parentConfig), prop;
389        for (prop in childConfig) {
390            if (hasOwnProp(childConfig, prop)) {
391                if (isObject(parentConfig[prop]) && isObject(childConfig[prop])) {
392                    res[prop] = {};
393                    extend(res[prop], parentConfig[prop]);
394                    extend(res[prop], childConfig[prop]);
395                } else if (childConfig[prop] != null) {
396                    res[prop] = childConfig[prop];
397                } else {
398                    delete res[prop];
399                }
400            }
401        }
402        for (prop in parentConfig) {
403            if (hasOwnProp(parentConfig, prop) &&
404                !hasOwnProp(childConfig, prop) &&
405                isObject(parentConfig[prop])) {
406                // make sure changes to properties don't modify parent config
407                res[prop] = extend({}, res[prop]);
408            }
409        }
410        return res;
411    }
412
413    function Locale(config) {
414        if (config != null) {
415            this.set(config);
416        }
417    }
418
419    var keys;
420
421    if (Object.keys) {
422        keys = Object.keys;
423    } else {
424        keys = function (obj) {
425            var i, res = [];
426            for (i in obj) {
427                if (hasOwnProp(obj, i)) {
428                    res.push(i);
429                }
430            }
431            return res;
432        };
433    }
434
435    var keys$1 = keys;
436
437    var defaultCalendar = {
438        sameDay: '[Today at] LT',
439        nextDay: '[Tomorrow at] LT',
440        nextWeek: 'dddd [at] LT',
441        lastDay: '[Yesterday at] LT',
442        lastWeek: '[Last] dddd [at] LT',
443        sameElse: 'L'
444    };
445
446    function calendar(key, mom, now) {
447        var output = this._calendar[key] || this._calendar['sameElse'];
448        return isFunction(output) ? output.call(mom, now) : output;
449    }
450
451    var defaultLongDateFormat = {
452        LTS: 'h:mm:ss A',
453        LT: 'h:mm A',
454        L: 'MM/DD/YYYY',
455        LL: 'MMMM D, YYYY',
456        LLL: 'MMMM D, YYYY h:mm A',
457        LLLL: 'dddd, MMMM D, YYYY h:mm A'
458    };
459
460    function longDateFormat(key) {
461        var format = this._longDateFormat[key],
462            formatUpper = this._longDateFormat[key.toUpperCase()];
463
464        if (format || !formatUpper) {
465            return format;
466        }
467
468        this._longDateFormat[key] = formatUpper.replace(/MMMM|MM|DD|dddd/g, function (val) {
469            return val.slice(1);
470        });
471
472        return this._longDateFormat[key];
473    }
474
475    var defaultInvalidDate = 'Invalid date';
476

620|x|X|zz?|ZZ?|.)/g;
621
622    var localFormattingTokens = /(\[[^\[]*\])|(\\)?(LTS|LT|LL?L?L?|l{1,4})/g;
623
624    var formatFunctions = {};
625
626    var formatTokenFunctions = {};
627
628    // token:    'M'
629    // padded:   ['MM', 2]
630    // ordinal:  'Mo'
631    // callback: function () { this.month() + 1 }
632    function addFormatToken(token, padded, ordinal, callback) {
633        var func = callback;
634        if (typeof callback === 'string') {
635            func = function () {
636                return this[callback]();
637            };
638        }
639        if (token) {
640            formatTokenFunctions[token] = func;
641        }
642        if (padded) {
643            formatTokenFunctions[padded[0]] = function () {
644                return zeroFill(func.apply(this, arguments), padded[1], padded[2]);
645            };
646        }
647        if (ordinal) {
648            formatTokenFunctions[ordinal] = function () {
649                return this.localeData().ordinal(func.apply(this, arguments), token);
650            };
651        }
652    }
653
654    function removeFormattingTokens(input) {
655        if (input.match(/\[[\s\S]/)) {
656            return input.replace(/^\[|\]$/g, '');
657        }
658        return input.replace(/\\/g, '');
659    }
660
661    function makeFormatFunction(format) {
662        var array = format.match(formattingTokens), i, length;
663
664        for (i = 0, length = array.length; i < length; i++) {
665            if (formatTokenFunctions[array[i]]) {
666                array[i] = formatTokenFunctions[array[i]];
667            } else {
668                array[i] = removeFormattingTokens(array[i]);
669            }
670        }
671
672        return function (mom) {
673            var output = '', i;
674            for (i = 0; i < length; i++) {
675                output += isFunction(array[i]) ? array[i].call(mom, format) : array[i];
676            }
677            return output;
678        };
679    }
680
681    // format date using native date object
682    function formatMoment(m, format) {
683        if (!m.isValid()) {
684            return m.localeData().invalidDate();
685        }
686
687        format = expandFormat(format, m.localeData());
688        formatFunctions[format] = formatFunctions[format] || makeFormatFunction(format);
689
690        return formatFunctions[format](m);
691    }
692
693    function expandFormat(format, locale) {
694        var i = 5;
695
696        function replaceLongDateFormatTokens(input) {
697            return locale.longDateFormat(input) || input;
698        }
699
700        localFormattingTokens.lastIndex = 0;
701        while (i >= 0 && localFormattingTokens.test(format)) {
702            format = format.replace(localFormattingTokens, replaceLongDateFormatTokens);
703            localFormattingTokens.lastIndex = 0;
704            i -= 1;
705        }
706
707        return format;
708    }
709
710    var match1 = /\d/;            //       0 - 9
711    var match2 = /\d\d/;          //      00 - 99
712    var match3 = /\d{3}/;         //     000 - 999
713    var match4 = /\d{4}/;         //    0000 - 9999
714    var match6 = /[+-]?\d{6}/;    // -999999 - 999999
715    var match1to2 = /\d\d?/;         //       0 - 99
716    var match3to4 = /\d\d\d\d?/;     //     999 - 9999
717    var match5to6 = /\d\d\d\d\d\d?/; //   99999 - 999999
718    var match1to3 = /\d{1,3}/;       //       0 - 999
719    var match1to4 = /\d{1,4}/;       //       0 - 9999
720    var match1to6 = /[+-]?\d{1,6}/;  // -999999 - 999999
721
722    var matchUnsigned = /\d+/;           //       0 - inf
723    var matchSigned = /[+-]?\d+/;      //    -inf - inf
724
725    var matchOffset = /Z|[+-]\d\d:?\d\d/gi; // +00:00 -00:00 +0000 -0000 or Z
726    var matchShortOffset = /Z|[+-]\d\d(?::?\d\d)?/gi; // +00 -00 +00:00 -00:00 +0000 -0000 or Z
727
728    var matchTimestamp = /[+-]?\d+(\.\d{1,3})?/; // 123456789 123456789.123
729
730    // any word (or two) characters or numbers including two/three word month in arabic.
731    // includes scottish gaelic two word and hyphenated months
732    var matchWord = /[0-9]*['a-z\u00A0-\u05FF\u0700-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]+|[\u0600-\u06FF\/]+(\s*?[\u0600-\u06FF]+){1,2}/i;
733
734
735    var regexes = {};
736
737    function addRegexToken(token, regex, strictRegex) {
738        regexes[token] = isFunction(regex) ? regex : function (isStrict, localeData) {
739            return (isStrict && strictRegex) ? strictRegex : regex;
740        };
741    }
742
743    function getParseRegexForToken(token, config) {
744        if (!hasOwnProp(regexes, token)) {
745            return new RegExp(unescapeFormat(token));
746        }
747
748        return regexes[token](config._strict, config._locale);
749    }
750
751    // Code from http://stackoverflow.com/questions/3561493/is-there-a-regexp-escape-function-in-javascript
752    function unescapeFormat(s) {
753        return regexEscape(s.replace('\\', '').replace(/\\(\[)|\\(\])|\[([^\]\[]*)\]|\\(.)/g, function (matched, p1, p2, p3, p4) {
754            return p1 || p2 || p3 || p4;
755        }));
756    }
757
758    function regexEscape(s) {
759        return s.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&');
760    }
761
762    var tokens = {};
763
764    function addParseToken(token, callback) {
765        var i, func = callback;
766        if (typeof token === 'string') {
767            token = [token];
768        }
769        if (isNumber(callback)) {
770            func = function (input, array) {
771                array[callback] = toInt(input);
772            };
773        }
774        for (i = 0; i < token.length; i++) {
775            tokens[token[i]] = func;
776        }
777    }
778
779    function addWeekParseToken(token, callback) {
780        addParseToken(token, function (input, array, config, token) {
781            config._w = config._w || {};
782            callback(input, config._w, config, token);
783        });
784    }
785
786    function addTimeToArrayFromToken(token, input, config) {
787        if (input != null && hasOwnProp(tokens, token)) {
788            tokens[token](input, config._a, config, token);
789        }
790    }
791
792    var YEAR = 0;
793    var MONTH = 1;
794    var DATE = 2;
795    var HOUR = 3;
796    var MINUTE = 4;
797    var SECOND = 5;
798    var MILLISECOND = 6;
799    var WEEK = 7;
800    var WEEKDAY = 8;
801
802    var indexOf;
803
804    if (Array.prototype.indexOf) {
805        indexOf = Array.prototype.indexOf;
806    } else {
807        indexOf = function (o) {
808            // I know
809            var i;
810            for (i = 0; i < this.length; ++i) {
811                if (this[i] === o) {
812                    return i;
813                }
814            }
815            return -1;
816        };
817    }
818
819    var indexOf$1 = indexOf;
820
821    function daysInMonth(year, month) {
822        return new Date(Date.UTC(year, month + 1, 0)).getUTCDate();
823    }
824
825    // FORMATTING
826
827    addFormatToken('M', ['MM', 2], 'Mo', function () {
828        return this.month() + 1;
829    });
830
831    addFormatToken('MMM', 0, 0, function (format) {
832        return this.localeData().monthsShort(this, format);
833    });
834
835    addFormatToken('MMMM', 0, 0, function (format) {
836        return this.localeData().months(this, format);
837    });
838
839    // ALIASES
840
841    addUnitAlias('month', 'M');
842
843    // PRIORITY
844
845    addUnitPriority('month', 8);
846
847    // PARSING
848
849    addRegexToken('M', match1to2);
850    addRegexToken('MM', match1to2, match2);
851    addRegexToken('MMM', function (isStrict, locale) {
852        return locale.monthsShortRegex(isStrict);
853    });
854    addRegexToken('MMMM', function (isStrict, locale) {
855        return locale.monthsRegex(isStrict);
856    });
857
858    addParseToken(['M', 'MM'], function (input, array) {
859        array[MONTH] = toInt(input) - 1;
860    });
861
862    addParseToken(['MMM', 'MMMM'], function (input, array, config, token) {
863        var month = config._locale.monthsParse(input, token, config._strict);
864        // if we didn't find a month name, mark the date as invalid.
865        if (month != null) {
866            array[MONTH] = month;
867        } else {
868            getParsingFlags(config).invalidMonth = input;
869        }
870    });
871
872    // LOCALES
873
874    var MONTHS_IN_FORMAT = /D[oD]?(\[[^\[\]]*\]|\s)+MMMM?/;
875    var defaultLocaleMonths = 'January_February_March_April_May_June_July_August_September_October_November_December'.split('_');
876    function localeMonths(m, format) {
877        if (!m) {
878            return isArray(this._months) ? this._months :
879                this._months['standalone'];
880        }
881        return isArray(this._months) ? this._months[m.month()] :
882            this._months[(this._months.isFormat || MONTHS_IN_FORMAT).test(format) ? 'format' : 'standalone'][m.month()];
883    }
884
885    var defaultLocaleMonthsShort = 'Jan_Feb_Mar_Apr_May_Jun_Jul_Aug_Sep_Oct_Nov_Dec'.split('_');
886    function localeMonthsShort(m, format) {
887        if (!m) {
888            return isArray(this._monthsShort) ? this._monthsShort :
889                this._monthsShort['standalone'];
890        }
891        return isArray(this._monthsShort) ? this._monthsShort[m.month()] :
892            this._monthsShort[MONTHS_IN_FORMAT.test(format) ? 'format' : 'standalone'][m.month()];
893    }
894
895    function handleStrictParse(monthName, format, strict) {
896        var i, ii, mom, llc = monthName.toLocaleLowerCase();
897        if (!this._monthsParse) {
898            // this is not used
899            this._monthsParse = [];
900            this._longMonthsParse = [];
901            this._shortMonthsParse = [];
902            for (i = 0; i < 12; ++i) {
903                mom = createUTC([2000, i]);
904                this._shortMonthsParse[i] = this.monthsShort(mom, '').toLocaleLowerCase();
905                this._longMonthsParse[i] = this.months(mom, '').toLocaleLowerCase();
906            }
907        }
908
909        if (strict) {
910            if (format === 'MMM') {
911                ii = indexOf$1.call(this._shortMonthsParse, llc);
912                return ii !== -1 ? ii : null;
913            } else {
914                ii = indexOf$1.call(this._longMonthsParse, llc);
915                return ii !== -1 ? ii : null;
916            }
917        } else {
918            if (format === 'MMM') {
919                ii = indexOf$1.call(this._shortMonthsParse, llc);
920                if (ii !== -1) {
921                    return ii;
922                }
923                ii = indexOf$1.call(this._longMonthsParse, llc);
924                return ii !== -1 ? ii : null;
925            } else {
926                ii = indexOf$1.call(this._longMonthsParse, llc);
927                if (ii !== -1) {
928                    return ii;
929                }
930                ii = indexOf$1.call(this._shortMonthsParse, llc);
931                return ii !== -1 ? ii : null;
932            }
933        }
934    }
935
936    function localeMonthsParse(monthName, format, strict) {
937        var i, mom, regex;
938
939        if (this._monthsParseExact) {
940            return handleStrictParse.call(this, monthName, format, strict);
941        }
942
943        if (!this._monthsParse) {
944            this._monthsParse = [];
945            this._longMonthsParse = [];
946            this._shortMonthsParse = [];
947        }
948
949        // TODO: add sorting
950        // Sorting makes sure if one month (or abbr) is a prefix of another
951        // see sorting in computeMonthsParse
952        for (i = 0; i < 12; i++) {
953            // make the regex if we don't have it already
954            mom = createUTC([2000, i]);
955            if (strict && !this._longMonthsParse[i]) {
956                this._longMonthsParse[i] = new RegExp('^' + this.months(mom, '').replace('.', '') + '$', 'i');
957                this._shortMonthsParse[i] = new RegExp('^' + this.monthsShort(mom, '').replace('.', '') + '$', 'i');
958            }
959            if (!strict && !this._monthsParse[i]) {
960                regex = '^' + this.months(mom, '') + '|^' + this.monthsShort(mom, '');
961                this._monthsParse[i] = new RegExp(regex.replace('.', ''), 'i');
962            }
963            // test the regex
964            if (strict && format === 'MMMM' && this._longMonthsParse[i].test(monthName)) {
965                return i;
966            } else if (strict && format === 'MMM' && this._shortMonthsParse[i].test(monthName)) {
967                return i;
968            } else if (!strict && this._monthsParse[i].test(monthName)) {
969                return i;
970            }
971        }
972    }
973
974    // MOMENTS
975
976    function setMonth(mom, value) {
977        var dayOfMonth;
978
979        if (!mom.isValid()) {
980            // No op
981            return mom;
982        }
983
984        if (typeof value === 'string') {
985            if (/^\d+$/.test(value)) {
986                value = toInt(value);
987            } else {
988                value = mom.localeData().monthsParse(value);
989                // TODO: Another silent failure?
990                if (!isNumber(value)) {
991                    return mom;
992                }
993            }
994        }
995
996        dayOfMonth = Math.min(mom.date(), daysInMonth(mom.year(), value));
997        mom._d['set' + (mom._isUTC ? 'UTC' : '') + 'Month'](value, dayOfMonth);
998        return mom;
999    }
1000
1001    function getSetMonth(value) {
1002        if (value != null) {
1003            setMonth(this, value);
1004            hooks.updateOffset(this, true);
1005            return this;
1006        } else {
1007            return get(this, 'Month');
1008        }
1009    }
1010
1011    function getDaysInMonth() {
1012        return daysInMonth(this.year(), this.month());
1013    }
1014
1015    var defaultMonthsShortRegex = matchWord;
1016    function monthsShortRegex(isStrict) {
1017        if (this._monthsParseExact) {
1018            if (!hasOwnProp(this, '_monthsRegex')) {
1019                computeMonthsParse.call(this);
1020            }
1021            if (isStrict) {
1022                return this._monthsShortStrictRegex;
1023            } else {
1024                return this._monthsShortRegex;
1025            }
1026        } else {
1027            if (!hasOwnProp(this, '_monthsShortRegex')) {
1028                this._monthsShortRegex = defaultMonthsShortRegex;
1029            }
1030            return this._monthsShortStrictRegex && isStrict ?
1031                this._monthsShortStrictRegex : this._monthsShortRegex;
1032        }
1033    }
1034
1035    var defaultMonthsRegex = matchWord;
1036    function monthsRegex(isStrict) {
1037        if (this._monthsParseExact) {
1038            if (!hasOwnProp(this, '_monthsRegex')) {
1039                computeMonthsParse.call(this);
1040            }
1041            if (isStrict) {
1042                return this._monthsStrictRegex;
1043            } else {
1044                return this._monthsRegex;
1045            }
1046        } else {
1047            if (!hasOwnProp(this, '_monthsRegex')) {
1048                this._monthsRegex = defaultMonthsRegex;
1049            }
1050            return this._monthsStrictRegex && isStrict ?
1051                this._monthsStrictRegex : this._monthsRegex;
1052        }
1053    }
1054
1055    function computeMonthsParse() {
1056        function cmpLenRev(a, b) {
1057            return b.length - a.length;
1058        }
1059
1060        var shortPieces = [], longPieces = [], mixedPieces = [],
1061            i, mom;
1062        for (i = 0; i < 12; i++) {
1063            // make the regex if we don't have it already
1064            mom = createUTC([2000, i]);
1065            shortPieces.push(this.monthsShort(mom, ''));
1066            longPieces.push(this.months(mom, ''));
1067            mixedPieces.push(this.months(mom, ''));
1068            mixedPieces.push(this.monthsShort(mom, ''));
1069        }
1070        // Sorting makes sure if one month (or abbr) is a prefix of another it
1071        // will match the longer piece.
1072        shortPieces.sort(cmpLenRev);
1073        longPieces.sort(cmpLenRev);
1074        mixedPieces.sort(cmpLenRev);
1075        for (i = 0; i < 12; i++) {
1076            shortPieces[i] = regexEscape(shortPieces[i]);
1077            longPieces[i] = regexEscape(longPieces[i]);
1078        }
1079        for (i = 0; i < 24; i++) {
1080            mixedPieces[i] = regexEscape(mixedPieces[i]);
1081        }
1082
1083        this._monthsRegex = new RegExp('^(' + mixedPieces.join('|') + ')', 'i');
1084        this._monthsShortRegex = this._monthsRegex;
1085        this._monthsStrictRegex = new RegExp('^(' + longPieces.join('|') + ')', 'i');
1086        this._monthsShortStrictRegex = new RegExp('^(' + shortPieces.join('|') + ')', 'i');
1087    }
1088
1089    // FORMATTING
1090
1091    addFormatToken('Y', 0, 0, function () {
1092        var y = this.year();
1093        return y <= 9999 ? '' + y : '+' + y;
1094    });
1095
1096    addFormatToken(0, ['YY', 2], 0, function () {
1097        return this.year() % 100;
1098    });
1099
1100    addFormatToken(0, ['YYYY', 4], 0, 'year');
1101    addFormatToken(0, ['YYYYY', 5], 0, 'year');
1102    addFormatToken(0, ['YYYYYY', 6, true], 0, 'year');
1103
1104    // ALIASES
1105
1106    addUnitAlias('year', 'y');
1107
1108    // PRIORITIES
1109
1110    addUnitPriority('year', 1);
1111
1112    // PARSING
1113
1114    addRegexToken('Y', matchSigned);
1115    addRegexToken('YY', match1to2, match2);
1116    addRegexToken('YYYY', match1to4, match4);
1117    addRegexToken('YYYYY', match1to6, match6);
1118    addRegexToken('YYYYYY', match1to6, match6);
1119
1120    addParseToken(['YYYYY', 'YYYYYY'], YEAR);
1121    addParseToken('YYYY', function (input, array) {
1122        array[YEAR] = input.length === 2 ? hooks.parseTwoDigitYear(input) : toInt(input);
1123    });
1124    addParseToken('YY', function (input, array) {
1125        array[YEAR] = hooks.parseTwoDigitYear(input);
1126    });
1127    addParseToken('Y', function (input, array) {
1128        array[YEAR] = parseInt(input, 10);
1129    });
1130
1131    // HELPERS
1132
1133    function daysInYear(year) {
1134        return isLeapYear(year) ? 366 : 365;
1135    }
1136
1137    function isLeapYear(year) {
1138        return (year % 4 === 0 && year % 100 !== 0) || year % 400 === 0;
1139    }
1140
1141    // HOOKS
1142
1143    hooks.parseTwoDigitYear = function (input) {
1144        return toInt(input) + (toInt(input) > 68 ? 1900 : 2000);
1145    };
1146
1147    // MOMENTS
1148
1149    var getSetYear = makeGetSet('FullYear', true);
1150
1151    function getIsLeapYear() {
1152        return isLeapYear(this.year());
1153    }
1154
1155    function createDate(y, m, d, h, M, s, ms) {
1156        // can't just apply() to create a date:
1157        // https://stackoverflow.com/q/181348
1158        var date = new Date(y, m, d, h, M, s, ms);
1159
1160        // the date constructor remaps years 0-99 to 1900-1999
1161        if (y < 100 && y >= 0 && isFinite(date.getFullYear())) {
1162            date.setFullYear(y);
1163        }
1164        return date;
1165    }
1166
1167    function createUTCDate(y) {
1168        var date = new Date(Date.UTC.apply(null, arguments));
1169
1170        // the Date.UTC function remaps years 0-99 to 1900-1999
1171        if (y < 100 && y >= 0 && isFinite(date.getUTCFullYear())) {
1172            date.setUTCFullYear(y);
1173        }
1174        return date;
1175    }
1176
1177    // start-of-first-week - start-of-year
1178    function firstWeekOffset(year, dow, doy) {
1179        var // first-week day -- which january is always in the first week (4 for iso, 1 for other)
1180            fwd = 7 + dow - doy,
1181            // first-week day local weekday -- which local weekday is fwd
1182            fwdlw = (7 + createUTCDate(year, 0, fwd).getUTCDay() - dow) % 7;
1183
1184        return -fwdlw + fwd - 1;
1185    }
1186
1187    // https://en.wikipedia.org/wiki/ISO_week_date#Calculating_a_date_given_the_year.2C_week_number_and_weekday
1188    function dayOfYearFromWeeks(year, week, weekday, dow, doy) {
1189        var localWeekday = (7 + weekday - dow) % 7,
1190            weekOffset = firstWeekOffset(year, dow, doy),
1191            dayOfYear = 1 + 7 * (week - 1) + localWeekday + weekOffset,
1192            resYear, resDayOfYear;
1193
1194        if (dayOfYear <= 0) {
1195            resYear = year - 1;
1196            resDayOfYear = daysInYear(resYear) + dayOfYear;
1197        } else if (dayOfYear > daysInYear(year)) {
1198            resYear = year + 1;
1199            resDayOfYear = dayOfYear - daysInYear(year);
1200        } else {
1201            resYear = year;
1202            resDayOfYear = dayOfYear;
1203        }
1204
1205        return {
1206            year: resYear,
1207            dayOfYear: resDayOfYear
1208        };
1209    }
1210
1211    function weekOfYear(mom, dow, doy) {
1212        var weekOffset = firstWeekOffset(mom.year(), dow, doy),
1213            week = Math.floor((mom.dayOfYear() - weekOffset - 1) / 7) + 1,
1214            resWeek, resYear;
1215
1216        if (week < 1) {
1217            resYear = mom.year() - 1;
1218            resWeek = week + weeksInYear(resYear, dow, doy);
1219        } else if (week > weeksInYear(mom.year(), dow, doy)) {
1220            resWeek = week - weeksInYear(mom.year(), dow, doy);
1221            resYear = mom.year() + 1;
1222        } else {
1223            resYear = mom.year();
1224            resWeek = week;
1225        }
1226
1227        return {
1228            week: resWeek,
1229            year: resYear
1230        };
1231    }
1232
1233    function weeksInYear(year, dow, doy) {
1234        var weekOffset = firstWeekOffset(year, dow, doy),
1235            weekOffsetNext = firstWeekOffset(year + 1, dow, doy);
1236        return (daysInYear(year) - weekOffset + weekOffsetNext) / 7;
1237    }
1238
1239    // FORMATTING
1240
1241    addFormatToken('w', ['ww', 2], 'wo', 'week');
1242    addFormatToken('W', ['WW', 2], 'Wo', 'isoWeek');
1243
1244    // ALIASES
1245
1246    addUnitAlias('week', 'w');
1247    addUnitAlias('isoWeek', 'W');
1248
1249    // PRIORITIES
1250
1251    addUnitPriority('week', 5);
1252    addUnitPriority('isoWeek', 5);
1253
1254    // PARSING
1255
1256    addRegexToken('w', match1to2);
1257    addRegexToken('ww', match1to2, match2);
1258    addRegexToken('W', match1to2);
1259    addRegexToken('WW', match1to2, match2);
1260
1261    addWeekParseToken(['w', 'ww', 'W', 'WW'], function (input, week, config, token) {
1262        week[token.substr(0, 1)] = toInt(input);
1263    });
1264
1265    // HELPERS
1266
1267    // LOCALES
1268
1269    function localeWeek(mom) {
1270        return weekOfYear(mom, this._week.dow, this._week.doy).week;
1271    }
1272
1273    var defaultLocaleWeek = {
1274        dow: 0, // Sunday is the first day of the week.
1275        doy: 6  // The week that contains Jan 1st is the first week of the year.
1276    };
1277
1278    function localeFirstDayOfWeek() {
1279        return this._week.dow;
1280    }
1281
1282    function localeFirstDayOfYear() {
1283        return this._week.doy;
1284    }
1285
1286    // MOMENTS
1287
1288    function getSetWeek(input) {
1289        var week = this.localeData().week(this);
1290        return input == null ? week : this.add((input - week) * 7, 'd');
1291    }
1292
1293    function getSetISOWeek(input) {
1294        var week = weekOfYear(this, 1, 4).week;
1295        return input == null ? week : this.add((input - week) * 7, 'd');
1296    }
1297
1298    // FORMATTING
1299
1300    addFormatToken('d', 0, 'do', 'day');
1301
1302    addFormatToken('dd', 0, 0, function (format) {
1303        return this.localeData().weekdaysMin(this, format);
1304    });
1305
1306    addFormatToken('ddd', 0, 0, function (format) {
1307        return this.localeData().weekdaysShort(this, format);
1308    });
1309
1310    addFormatToken('dddd', 0, 0, function (format) {
1311        return this.localeData().weekdays(this, format);
1312    });
1313
1314    addFormatToken('e', 0, 0, 'weekday');
1315    addFormatToken('E', 0, 0, 'isoWeekday');
1316
1317    // ALIASES
1318
1319    addUnitAlias('day', 'd');
1320    addUnitAlias('weekday', 'e');
1321    addUnitAlias('isoWeekday', 'E');
1322
1323    // PRIORITY
1324    addUnitPriority('day', 11);
1325    addUnitPriority('weekday', 11);
1326    addUnitPriority('isoWeekday', 11);
1327
1328    // PARSING
1329
1330    addRegexToken('d', match1to2);
1331    addRegexToken('e', match1to2);
1332    addRegexToken('E', match1to2);
1333    addRegexToken('dd', function (isStrict, locale) {
1334        return locale.weekdaysMinRegex(isStrict);
1335    });
1336    addRegexToken('ddd', function (isStrict, locale) {
1337        return locale.weekdaysShortRegex(isStrict);
1338    });
1339    addRegexToken('dddd', function (isStrict, locale) {
1340        return locale.weekdaysRegex(isStrict);
1341    });
1342
1343    addWeekParseToken(['dd', 'ddd', 'dddd'], function (input, week, config, token) {
1344        var weekday = config._locale.weekdaysParse(input, token, config._strict);
1345        // if we didn't get a weekday name, mark the date as invalid
1346        if (weekday != null) {
1347            week.d = weekday;
1348        } else {
1349            getParsingFlags(config).invalidWeekday = input;
1350        }
1351    });
1352
1353    addWeekParseToken(['d', 'e', 'E'], function (input, week, config, token) {
1354        week[token] = toInt(input);
1355    });
1356
1357    // HELPERS
1358
1359    function parseWeekday(input, locale) {
1360        if (typeof input !== 'string') {
1361            return input;
1362        }
1363
1364        if (!isNaN(input)) {
1365            return parseInt(input, 10);
1366        }
1367
1368        input = locale.weekdaysParse(input);
1369        if (typeof input === 'number') {
1370            return input;
1371        }
1372
1373        return null;
1374    }
1375
1376    function parseIsoWeekday(input, locale) {
1377        if (typeof input === 'string') {
1378            return locale.weekdaysParse(input) % 7 || 7;
1379        }
1380        return isNaN(input) ? null : input;
1381    }
1382
1383    // LOCALES
1384
1385    var defaultLocaleWeekdays = 'Sunday_Monday_Tuesday_Wednesday_Thursday_Friday_Saturday'.split('_');
1386    function localeWeekdays(m, format) {
1387        if (!m) {
1388            return isArray(this._weekdays) ? this._weekdays :
1389                this._weekdays['standalone'];
1390        }
1391        return isArray(this._weekdays) ? this._weekdays[m.day()] :
1392            this._weekdays[this._weekdays.isFormat.test(format) ? 'format' : 'standalone'][m.day()];
1393    }
1394
1395    var defaultLocaleWeekdaysShort = 'Sun_Mon_Tue_Wed_Thu_Fri_Sat'.split('_');
1396    function localeWeekdaysShort(m) {
1397        return (m) ? this._weekdaysShort[m.day()] : this._weekdaysShort;
1398    }
1399
1400    var defaultLocaleWeekdaysMin = 'Su_Mo_Tu_We_Th_Fr_Sa'.split('_');
1401    function localeWeekdaysMin(m) {
1402        return (m) ? this._weekdaysMin[m.day()] : this._weekdaysMin;
1403    }
1404
1405    function handleStrictParse$1(weekdayName, format, strict) {
1406        var i, ii, mom, llc = weekdayName.toLocaleLowerCase();
1407        if (!this._weekdaysParse) {
1408            this._weekdaysParse = [];
1409            this._shortWeekdaysParse = [];
1410            this._minWeekdaysParse = [];
1411
1412            for (i = 0; i < 7; ++i) {
1413                mom = createUTC([2000, 1]).day(i);
1414                this._minWeekdaysParse[i] = this.weekdaysMin(mom, '').toLocaleLowerCase();
1415                this._shortWeekdaysParse[i] = this.weekdaysShort(mom, '').toLocaleLowerCase();
1416                this._weekdaysParse[i] = this.weekdays(mom, '').toLocaleLowerCase();
1417            }
1418        }
1419
1420        if (strict) {
1421            if (format === 'dddd') {
1422                ii = indexOf$1.call(this._weekdaysParse, llc);
1423                return ii !== -1 ? ii : null;
1424            } else if (format === 'ddd') {
1425                ii = indexOf$1.call(this._shortWeekdaysParse, llc);
1426                return ii !== -1 ? ii : null;
1427            } else {
1428                ii = indexOf$1.call(this._minWeekdaysParse, llc);
1429                return ii !== -1 ? ii : null;
1430            }
1431        } else {
1432            if (format === 'dddd') {
1433                ii = indexOf$1.call(this._weekdaysParse, llc);
1434                if (ii !== -1) {
1435                    return ii;
1436                }
1437                ii = indexOf$1.call(this._shortWeekdaysParse, llc);
1438                if (ii !== -1) {
1439                    return ii;
1440                }
1441                ii = indexOf$1.call(this._minWeekdaysParse, llc);
1442                return ii !== -1 ? ii : null;
1443            } else if (format === 'ddd') {
1444                ii = indexOf$1.call(this._shortWeekdaysParse, llc);
1445                if (ii !== -1) {
1446                    return ii;
1447                }
1448                ii = indexOf$1.call(this._weekdaysParse, llc);
1449                if (ii !== -1) {
1450                    return ii;
1451                }
1452                ii = indexOf$1.call(this._minWeekdaysParse, llc);
1453                return ii !== -1 ? ii : null;
1454            } else {
1455                ii = indexOf$1.call(this._minWeekdaysParse, llc);
1456                if (ii !== -1) {
1457                    return ii;
1458                }
1459                ii = indexOf$1.call(this._weekdaysParse, llc);
1460                if (ii !== -1) {
1461                    return ii;
1462                }
1463                ii = indexOf$1.call(this._shortWeekdaysParse, llc);
1464                return ii !== -1 ? ii : null;
1465            }
1466        }
1467    }
1468
1469    function localeWeekdaysParse(weekdayName, format, strict) {
1470        var i, mom, regex;
1471
1472        if (this._weekdaysParseExact) {
1473            return handleStrictParse$1.call(this, weekdayName, format, strict);
1474        }
1475
1476        if (!this._weekdaysParse) {
1477            this._weekdaysParse = [];
1478            this._minWeekdaysParse = [];
1479            this._shortWeekdaysParse = [];
1480            this._fullWeekdaysParse = [];
1481        }
1482
1483        for (i = 0; i < 7; i++) {
1484            // make the regex if we don't have it already
1485
1486            mom = createUTC([2000, 1]).day(i);
1487            if (strict && !this._fullWeekdaysParse[i]) {
1488                this._fullWeekdaysParse[i] = new RegExp('^' + this.weekdays(mom, '').replace('.', '\.?') + '$', 'i');
1489                this._shortWeekdaysParse[i] = new RegExp('^' + this.weekdaysShort(mom, '').replace('.', '\.?') + '$', 'i');
1490                this._minWeekdaysParse[i] = new RegExp('^' + this.weekdaysMin(mom, '').replace('.', '\.?') + '$', 'i');
1491            }
1492            if (!this._weekdaysParse[i]) {
1493                regex = '^' + this.weekdays(mom, '') + '|^' + this.weekdaysShort(mom, '') + '|^' + this.weekdaysMin(mom, '');
1494                this._weekdaysParse[i] = new RegExp(regex.replace('.', ''), 'i');
1495            }
1496            // test the regex
1497            if (strict && format === 'dddd' && this._fullWeekdaysParse[i].test(weekdayName)) {
1498                return i;
1499            } else if (strict && format === 'ddd' && this._shortWeekdaysParse[i].test(weekdayName)) {
1500                return i;
1501            } else if (strict && format === 'dd' && this._minWeekdaysParse[i].test(weekdayName)) {
1502                return i;
1503            } else if (!strict && this._weekdaysParse[i].test(weekdayName)) {
1504                return i;
1505            }
1506        }
1507    }
1508
1509    // MOMENTS
1510
1511    function getSetDayOfWeek(input) {
1512        if (!this.isValid()) {
1513            return input != null ? this : NaN;
1514        }
1515        var day = this._isUTC ? this._d.getUTCDay() : this._d.getDay();
1516        if (input != null) {
1517            input = parseWeekday(input, this.localeData());
1518            return this.add(input - day, 'd');
1519        } else {
1520            return day;
1521        }
1522    }
1523
1524    function getSetLocaleDayOfWeek(input) {
1525        if (!this.isValid()) {
1526            return input != null ? this : NaN;
1527        }
1528        var weekday = (this.day() + 7 - this.localeData()._week.dow) % 7;
1529        return input == null ? weekday : this.add(input - weekday, 'd');
1530    }
1531
1532    function getSetISODayOfWeek(input) {
1533        if (!this.isValid()) {
1534            return input != null ? this : NaN;
1535        }
1536
1537        // behaves the same as moment#day except
1538        // as a getter, returns 7 instead of 0 (1-7 range instead of 0-6)
1539        // as a setter, sunday should belong to the previous week.
1540
1541        if (input != null) {
1542            var weekday = parseIsoWeekday(input, this.localeData());
1543            return this.day(this.day() % 7 ? weekday : weekday - 7);
1544        } else {
1545            return this.day() || 7;
1546        }
1547    }
1548
1549    var defaultWeekdaysRegex = matchWord;
1550    function weekdaysRegex(isStrict) {
1551        if (this._weekdaysParseExact) {
1552            if (!hasOwnProp(this, '_weekdaysRegex')) {
1553                computeWeekdaysParse.call(this);
1554            }
1555            if (isStrict) {
1556                return this._weekdaysStrictRegex;
1557            } else {
1558                return this._weekdaysRegex;
1559            }
1560        } else {
1561            if (!hasOwnProp(this, '_weekdaysRegex')) {
1562                this._weekdaysRegex = defaultWeekdaysRegex;
1563            }
1564            return this._weekdaysStrictRegex && isStrict ?
1565                this._weekdaysStrictRegex : this._weekdaysRegex;
1566        }
1567    }
1568
1569    var defaultWeekdaysShortRegex = matchWord;
1570    function weekdaysShortRegex(isStrict) {
1571        if (this._weekdaysParseExact) {
1572            if (!hasOwnProp(this, '_weekdaysRegex')) {
1573                computeWeekdaysParse.call(this);
1574            }
1575            if (isStrict) {
1576                return this._weekdaysShortStrictRegex;
1577            } else {
1578                return this._weekdaysShortRegex;
1579            }
1580        } else {
1581            if (!hasOwnProp(this, '_weekdaysShortRegex')) {
1582                this._weekdaysShortRegex = defaultWeekdaysShortRegex;
1583            }
1584            return this._weekdaysShortStrictRegex && isStrict ?
1585                this._weekdaysShortStrictRegex : this._weekdaysShortRegex;
1586        }
1587    }
1588
1589    var defaultWeekdaysMinRegex = matchWord;
1590    function weekdaysMinRegex(isStrict) {
1591        if (this._weekdaysParseExact) {
1592            if (!hasOwnProp(this, '_weekdaysRegex')) {
1593                computeWeekdaysParse.call(this);
1594            }
1595            if (isStrict) {
1596                return this._weekdaysMinStrictRegex;
1597            } else {
1598                return this._weekdaysMinRegex;
1599            }
1600        } else {
1601            if (!hasOwnProp(this, '_weekdaysMinRegex')) {
1602                this._weekdaysMinRegex = defaultWeekdaysMinRegex;
1603            }
1604            return this._weekdaysMinStrictRegex && isStrict ?
1605                this._weekdaysMinStrictRegex : this._weekdaysMinRegex;
1606        }
1607    }
1608
1609
1610    function computeWeekdaysParse() {
1611        function cmpLenRev(a, b) {
1612            return b.length - a.length;
1613        }
1614
1615        var minPieces = [], shortPieces = [], longPieces = [], mixedPieces = [],
1616            i, mom, minp, shortp, longp;
1617        for (i = 0; i < 7; i++) {
1618            // make the regex if we don't have it already
1619            mom = createUTC([2000, 1]).day(i);
1620            minp = this.weekdaysMin(mom, '');
1621            shortp = this.weekdaysShort(mom, '');
1622            longp = this.weekdays(mom, '');
1623            minPieces.push(minp);
1624            shortPieces.push(shortp);
1625            longPieces.push(longp);
1626            mixedPieces.push(minp);
1627            mixedPieces.push(shortp);
1628            mixedPieces.push(longp);
1629        }
1630        // Sorting makes sure if one weekday (or abbr) is a prefix of another it
1631        // will match the longer piece.
1632        minPieces.sort(cmpLenRev);
1633        shortPieces.sort(cmpLenRev);
1634        longPieces.sort(cmpLenRev);
1635        mixedPieces.sort(cmpLenRev);
1636        for (i = 0; i < 7; i++) {
1637            shortPieces[i] = regexEscape(shortPieces[i]);
1638            longPieces[i] = regexEscape(longPieces[i]);
1639            mixedPieces[i] = regexEscape(mixedPieces[i]);
1640        }
1641
1642        this._weekdaysRegex = new RegExp('^(' + mixedPieces.join('|') + ')', 'i');
1643        this._weekdaysShortRegex = this._weekdaysRegex;
1644        this._weekdaysMinRegex = this._weekdaysRegex;
1645
1646        this._weekdaysStrictRegex = new RegExp('^(' + longPieces.join('|') + ')', 'i');
1647        this._weekdaysShortStrictRegex = new RegExp('^(' + shortPieces.join('|') + ')', 'i');
1648        this._weekdaysMinStrictRegex = new RegExp('^(' + minPieces.join('|') + ')', 'i');
1649    }
1650
1651    // FORMATTING
1652
1653    function hFormat() {
1654        return this.hours() % 12 || 12;
1655    }
1656
1657    function kFormat() {
1658        return this.hours() || 24;
1659    }
1660
1661    addFormatToken('H', ['HH', 2], 0, 'hour');
1662    addFormatToken('h', ['hh', 2], 0, hFormat);
1663    addFormatToken('k', ['kk', 2], 0, kFormat);
1664
1665    addFormatToken('hmm', 0, 0, function () {
1666        return '' + hFormat.apply(this) + zeroFill(this.minutes(), 2);
1667    });
1668
1669    addFormatToken('hmmss', 0, 0, function () {
1670        return '' + hFormat.apply(this) + zeroFill(this.minutes(), 2) +
1671            zeroFill(this.seconds(), 2);
1672    });
1673
1674    addFormatToken('Hmm', 0, 0, function () {
1675        return '' + this.hours() + zeroFill(this.minutes(), 2);
1676    });
1677
1678    addFormatToken('Hmmss', 0, 0, function () {
1679        return '' + this.hours() + zeroFill(this.minutes(), 2) +
1680            zeroFill(this.seconds(), 2);
1681    });
1682
1683    function meridiem(token, lowercase) {
1684        addFormatToken(token, 0, 0, function () {
1685            return this.localeData().meridiem(this.hours(), this.minutes(), lowercase);
1686        });
1687    }
1688
1689    meridiem('a', true);
1690    meridiem('A', false);
1691
1692    // ALIASES
1693
1694    addUnitAlias('hour', 'h');
1695
1696    // PRIORITY
1697    addUnitPriority('hour', 13);
1698
1699    // PARSING
1700
1701    function matchMeridiem(isStrict, locale) {
1702        return locale._meridiemParse;
1703    }
1704
1705    addRegexToken('a', matchMeridiem);
1706    addRegexToken('A', matchMeridiem);
1707    addRegexToken('H', match1to2);
1708    addRegexToken('h', match1to2);
1709    addRegexToken('k', match1to2);
1710    addRegexToken('HH', match1to2, match2);
1711    addRegexToken('hh', match1to2, match2);
1712    addRegexToken('kk', match1to2, match2);
1713
1714    addRegexToken('hmm', match3to4);
1715    addRegexToken('hmmss', match5to6);
1716    addRegexToken('Hmm', match3to4);
1717    addRegexToken('Hmmss', match5to6);
1718
1719    addParseToken(['H', 'HH'], HOUR);
1720    addParseToken(['k', 'kk'], function (input, array, config) {
1721        var kInput = toInt(input);
1722        array[HOUR] = kInput === 24 ? 0 : kInput;
1723    });
1724    addParseToken(['a', 'A'], function (input, array, config) {
1725        config._isPm = config._locale.isPM(input);
1726        config._meridiem = input;
1727    });
1728    addParseToken(['h', 'hh'], function (input, array, config) {
1729        array[HOUR] = toInt(input);
1730        getParsingFlags(config).bigHour = true;
1731    });
1732    addParseToken('hmm', function (input, array, config) {
1733        var pos = input.length - 2;
1734        array[HOUR] = toInt(input.substr(0, pos));
1735        array[MINUTE] = toInt(input.substr(pos));
1736        getParsingFlags(config).bigHour = true;
1737    });
1738    addParseToken('hmmss', function (input, array, config) {
1739        var pos1 = input.length - 4;
1740        var pos2 = input.length - 2;
1741        array[HOUR] = toInt(input.substr(0, pos1));
1742        array[MINUTE] = toInt(input.substr(pos1, 2));
1743        array[SECOND] = toInt(input.substr(pos2));
1744        getParsingFlags(config).bigHour = true;
1745    });
1746    addParseToken('Hmm', function (input, array, config) {
1747        var pos = input.length - 2;
1748        array[HOUR] = toInt(input.substr(0, pos));
1749        array[MINUTE] = toInt(input.substr(pos));
1750    });
1751    addParseToken('Hmmss', function (input, array, config) {
1752        var pos1 = input.length - 4;
1753        var pos2 = input.length - 2;
1754        array[HOUR] = toInt(input.substr(0, pos1));
1755        array[MINUTE] = toInt(input.substr(pos1, 2));
1756        array[SECOND] = toInt(input.substr(pos2));
1757    });
1758
1759    // LOCALES
1760
1761    function localeIsPM(input) {
1762        // IE8 Quirks Mode & IE7 Standards Mode do not allow accessing strings like arrays
1763        // Using charAt should be more compatible.
1764        return ((input + '').toLowerCase().charAt(0) === 'p');
1765    }
1766
1767    var defaultLocaleMeridiemParse = /[ap]\.?m?\.?/i;
1768    function localeMeridiem(hours, minutes, isLower) {
1769        if (hours > 11) {
1770            return isLower ? 'pm' : 'PM';
1771        } else {
1772            return isLower ? 'am' : 'AM';
1773        }
1774    }
1775
1776
1777    // MOMENTS
1778
1779    // Setting the hour should keep the time, because the user explicitly
1780    // specified which hour he wants. So trying to maintain the same hour (in
1781    // a new timezone) makes sense. Adding/subtracting hours does not follow
1782    // this rule.
1783    var getSetHour = makeGetSet('Hours', true);
1784
1785    // months
1786    // week
1787    // weekdays
1788    // meridiem
1789    var baseConfig = {
1790        calendar: defaultCalendar,
1791        longDateFormat: defaultLongDateFormat,
1792        invalidDate: defaultInvalidDate,
1793        ordinal: defaultOrdinal,
1794        dayOfMonthOrdinalParse: defaultDayOfMonthOrdinalParse,
1795        relativeTime: defaultRelativeTime,
1796
1797        months: defaultLocaleMonths,
1798        monthsShort: defaultLocaleMonthsShort,
1799
1800        week: defaultLocaleWeek,
1801
1802        weekdays: defaultLocaleWeekdays,
1803        weekdaysMin: defaultLocaleWeekdaysMin,
1804        weekdaysShort: defaultLocaleWeekdaysShort,
1805
1806        meridiemParse: defaultLocaleMeridiemParse
1807    };
1808
1809    // internal storage for locale config files
1810    var locales = {};
1811    var localeFamilies = {};
1812    var globalLocale;
1813
1814    function normalizeLocale(key) {
1815        return key ? key.toLowerCase().replace('_', '-') : key;
1816    }
1817
1818    // pick the locale from the array
1819    // try ['en-au', 'en-gb'] as 'en-au', 'en-gb', 'en', as in move through the list trying each
1820    // substring from most specific to least, but move to the next array item if it's a more specific variant than the current root
1821    function chooseLocale(names) {
1822        var i = 0, j, next, locale, split;
1823
1824        while (i < names.length) {
1825            split = normalizeLocale(names[i]).split('-');
1826            j = split.length;
1827            next = normalizeLocale(names[i + 1]);
1828            next = next ? next.split('-') : null;
1829            while (j > 0) {
1830                locale = loadLocale(split.slice(0, j).join('-'));
1831                if (locale) {
1832                    return locale;
1833                }
1834                if (next && next.length >= j && compareArrays(split, next, true) >= j - 1) {
1835                    //the next array item is better than a shallower substring of this one
1836                    break;
1837                }
1838                j--;
1839            }
1840            i++;
1841        }
1842        return null;
1843    }
1844
1845    function loadLocale(name) {
1846        var oldLocale = null;
1847        // TODO: Find a better way to register and load all the locales in Node
1848        if (!locales[name] && (typeof module !== 'undefined') &&
1849            module && module.exports) {
1850            try {
1851                oldLocale = globalLocale._abbr;
1852                require('./locale/' + name);
1853                // because defineLocale currently also sets the global locale, we
1854                // want to undo that for lazy loaded locales
1855                getSetGlobalLocale(oldLocale);
1856            } catch (e) { }
1857        }
1858        return locales[name];
1859    }
1860
1861    // This function will load locale and then set the global locale.  If
1862    // no arguments are passed in, it will simply return the current global
1863    // locale key.
1864    function getSetGlobalLocale(key, values) {
1865        var data;
1866        if (key) {
1867            if (isUndefined(values)) {
1868                data = getLocale(key);
1869            }
1870            else {
1871                data = defineLocale(key, values);
1872            }
1873
1874            if (data) {
1875                // moment.duration._locale = moment._locale = data;
1876                globalLocale = data;
1877            }
1878        }
1879
1880        return globalLocale._abbr;
1881    }
1882
1883    function defineLocale(name, config) {
1884        if (config !== null) {
1885            var parentConfig = baseConfig;
1886            config.abbr = name;
1887            if (locales[name] != null) {
1888                deprecateSimple('defineLocaleOverride',
1889                    'use moment.updateLocale(localeName, config) to change ' +
1890                    'an existing locale. moment.defineLocale(localeName, ' +
1891                    'config) should only be used for creating a new locale ' +
1892                    'See http://momentjs.com/guides/#/warnings/define-locale/ for more info.');
1893                parentConfig = locales[name]._config;
1894            } else if (config.parentLocale != null) {
1895                if (locales[config.parentLocale] != null) {
1896                    parentConfig = locales[config.parentLocale]._config;
1897                } else {
1898                    if (!localeFamilies[config.parentLocale]) {
1899                        localeFamilies[config.parentLocale] = [];
1900                    }
1901                    localeFamilies[config.parentLocale].push({
1902                        name: name,
1903                        config: config
1904                    });
1905                    return null;
1906                }
1907            }
1908            locales[name] = new Locale(mergeConfigs(parentConfig, config));
1909
1910            if (localeFamilies[name]) {
1911                localeFamilies[name].forEach(function (x) {
1912                    defineLocale(x.name, x.config);
1913                });
1914            }
1915
1916            // backwards compat for now: also set the locale
1917            // make sure we set the locale AFTER all child locales have been
1918            // created, so we won't end up with the child locale set.
1919            getSetGlobalLocale(name);
1920
1921
1922            return locales[name];
1923        } else {
1924            // useful for testing
1925            delete locales[name];
1926            return null;
1927        }
1928    }
1929
1930    function updateLocale(name, config) {
1931        if (config != null) {
1932            var locale, parentConfig = baseConfig;
1933            // MERGE
1934            if (locales[name] != null) {
1935                parentConfig = locales[name]._config;
1936            }
1937            config = mergeConfigs(parentConfig, config);
1938            locale = new Locale(config);
1939            locale.parentLocale = locales[name];
1940            locales[name] = locale;
1941
1942            // backwards compat for now: also set the locale
1943            getSetGlobalLocale(name);
1944        } else {
1945            // pass null for config to unupdate, useful for tests
1946            if (locales[name] != null) {
1947                if (locales[name].parentLocale != null) {
1948                    locales[name] = locales[name].parentLocale;
1949                } else if (locales[name] != null) {
1950                    delete locales[name];
1951                }
1952            }
1953        }
1954        return locales[name];
1955    }
1956
1957    // returns locale data
1958    function getLocale(key) {
1959        var locale;
1960
1961        if (key && key._locale && key._locale._abbr) {
1962            key = key._locale._abbr;
1963        }
1964
1965        if (!key) {
1966            return globalLocale;
1967        }
1968
1969        if (!isArray(key)) {
1970            //short-circuit everything else
1971            locale = loadLocale(key);
1972            if (locale) {
1973                return locale;
1974            }
1975            key = [key];
1976        }
1977
1978        return chooseLocale(key);
1979    }
1980
1981    function listLocales() {
1982        return keys$1(locales);
1983    }
1984
1985    function checkOverflow(m) {
1986        var overflow;
1987        var a = m._a;
1988
1989        if (a && getParsingFlags(m).overflow === -2) {
1990            overflow =
1991                a[MONTH] < 0 || a[MONTH] > 11 ? MONTH :
1992                    a[DATE] < 1 || a[DATE] > daysInMonth(a[YEAR], a[MONTH]) ? DATE :
1993                        a[HOUR] < 0 || a[HOUR] > 24 || (a[HOUR] === 24 && (a[MINUTE] !== 0 || a[SECOND] !== 0 || a[MILLISECOND] !== 0)) ? HOUR :
1994                            a[MINUTE] < 0 || a[MINUTE] > 59 ? MINUTE :
1995                                a[SECOND] < 0 || a[SECOND] > 59 ? SECOND :
1996                                    a[MILLISECOND] < 0 || a[MILLISECOND] > 999 ? MILLISECOND :
1997                                        -1;
1998
1999            if (getParsingFlags(m)._overflowDayOfYear && (overflow < YEAR || overflow > DATE)) {
2000                overflow = DATE;
2001            }
2002            if (getParsingFlags(m)._overflowWeeks && overflow === -1) {
2003                overflow = WEEK;
2004            }
2005            if (getParsingFlags(m)._overflowWeekday && overflow === -1) {
2006                overflow = WEEKDAY;
2007            }
2008
2009            getParsingFlags(m).overflow = overflow;
2010        }
2011
2012        return m;
2013    }
2014
2015    // iso 8601 regex
2016    // 0000-00-00 0000-W00 or 0000-W00-0 + T + 00 or 00:00 or 00:00:00 or 00:00:00.000 + +00:00 or +0000 or +00)
2017    var extendedIsoRegex = /^\s*((?:[+-]\d{6}|\d{4})-(?:\d\d-\d\d|W\d\d-\d|W\d\d|\d\d\d|\d\d))(?:(T| )(\d\d(?::\d\d(?::\d\d(?:[.,]\d+)?)?)?)([\+\-]\d\d(?::?\d\d)?|\s*Z)?)?$/;
2018    var basicIsoRegex = /^\s*((?:[+-]\d{6}|\d{4})(?:\d\d\d\d|W\d\d\d|W\d\d|\d\d\d|\d\d))(?:(T| )(\d\d(?:\d\d(?:\d\d(?:[.,]\d+)?)?)?)([\+\-]\d\d(?::?\d\d)?|\s*Z)?)?$/;
2019
2020    var tzRegex = /Z|[+-]\d\d(?::?\d\d)?/;
2021
2022    var isoDates = [
2023        ['YYYYYY-MM-DD', /[+-]\d{6}-\d\d-\d\d/],
2024        ['YYYY-MM-DD', /\d{4}-\d\d-\d\d/],
2025        ['GGGG-[W]WW-E', /\d{4}-W\d\d-\d/],
2026        ['GGGG-[W]WW', /\d{4}-W\d\d/, false],
2027        ['YYYY-DDD', /\d{4}-\d{3}/],
2028        ['YYYY-MM', /\d{4}-\d\d/, false],
2029        ['YYYYYYMMDD', /[+-]\d{10}/],
2030        ['YYYYMMDD', /\d{8}/],
2031        // YYYYMM is NOT allowed by the standard
2032        ['GGGG[W]WWE', /\d{4}W\d{3}/],
2033        ['GGGG[W]WW', /\d{4}W\d{2}/, false],
2034        ['YYYYDDD', /\d{7}/]
2035    ];
2036
2037    // iso time formats and regexes
2038    var isoTimes = [
2039        ['HH:mm:ss.SSSS', /\d\d:\d\d:\d\d\.\d+/],
2040        ['HH:mm:ss,SSSS', /\d\d:\d\d:\d\d,\d+/],
2041        ['HH:mm:ss', /\d\d:\d\d:\d\d/],
2042        ['HH:mm', /\d\d:\d\d/],
2043        ['HHmmss.SSSS', /\d\d\d\d\d\d\.\d+/],
2044        ['HHmmss,SSSS', /\d\d\d\d\d\d,\d+/],
2045        ['HHmmss', /\d\d\d\d\d\d/],
2046        ['HHmm', /\d\d\d\d/],
2047        ['HH', /\d\d/]
2048    ];
2049
2050    var aspNetJsonRegex = /^\/?Date\((\-?\d+)/i;
2051
2052    // date from iso format
2053    function configFromISO(config) {
2054        var i, l,
2055            string = config._i,
2056            match = extendedIsoRegex.exec(string) || basicIsoRegex.exec(string),
2057            allowTime, dateFormat, timeFormat, tzFormat;
2058
2059        if (match) {
2060            getParsingFlags(config).iso = true;
2061
2062            for (i = 0, l = isoDates.length; i < l; i++) {
2063                if (isoDates[i][1].exec(match[1])) {
2064                    dateFormat = isoDates[i][0];
2065                    allowTime = isoDates[i][2] !== false;
2066                    break;
2067                }
2068            }
2069            if (dateFormat == null) {
2070                config._isValid = false;
2071                return;
2072            }
2073            if (match[3]) {
2074                for (i = 0, l = isoTimes.length; i < l; i++) {
2075                    if (isoTimes[i][1].exec(match[3])) {
2076                        // match[2] should be 'T' or space
2077                        timeFormat = (match[2] || ' ') + isoTimes[i][0];
2078                        break;
2079                    }
2080                }
2081                if (timeFormat == null) {
2082                    config._isValid = false;
2083                    return;
2084                }
2085            }
2086            if (!allowTime && timeFormat != null) {
2087                config._isValid = false;
2088                return;
2089            }
2090            if (match[4]) {
2091                if (tzRegex.exec(match[4])) {
2092                    tzFormat = 'Z';
2093                } else {
2094                    config._isValid = false;
2095                    return;
2096                }
2097            }
2098            config._f = dateFormat + (timeFormat || '') + (tzFormat || '');
2099            configFromStringAndFormat(config);
2100        } else {
2101            config._isValid = false;
2102        }
2103    }
2104
2105    // RFC 2822 regex: For details see https://tools.ietf.org/html/rfc2822#section-3.3
2106    var basicRfcRegex = /^((?:Mon|Tue|Wed|Thu|Fri|Sat|Sun),?\s)?(\d?\d\s(?:Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)\s(?:\d\d)?\d\d\s)(\d\d:\d\d)(\:\d\d)?(\s(?:UT|GMT|[ECMP][SD]T|[A-IK-Za-ik-z]|[+-]\d{4}))$/;
2107
2108    // date and time from ref 2822 format
2109    function configFromRFC2822(config) {
2110        var string, match, dayFormat,
2111            dateFormat, timeFormat, tzFormat;
2112        var timezones = {
2113            ' GMT': ' +0000',
2114            ' EDT': ' -0400',
2115            ' EST': ' -0500',
2116            ' CDT': ' -0500',
2117            ' CST': ' -0600',
2118            ' MDT': ' -0600',
2119            ' MST': ' -0700',
2120            ' PDT': ' -0700',
2121            ' PST': ' -0800'
2122        };
2123        var military = 'YXWVUTSRQPONZABCDEFGHIKLM';
2124        var timezone, timezoneIndex;
2125
2126        string = config._i

2270            config._a[i] = input[i] = currentDate[i];
2271        }
2272
2273        // Zero out whatever was not defaulted, including time
2274        for (; i < 7; i++) {
2275            config._a[i] = input[i] = (config._a[i] == null) ? (i === 2 ? 1 : 0) : config._a[i];
2276        }
2277
2278        // Check for 24:00:00.000
2279        if (config._a[HOUR] === 24 &&
2280            config._a[MINUTE] === 0 &&
2281            config._a[SECOND] === 0 &&
2282            config._a[MILLISECOND] === 0) {
2283            config._nextDay = true;
2284            config._a[HOUR] = 0;
2285        }
2286
2287        config._d = (config._useUTC ? createUTCDate : createDate).apply(null, input);
2288        // Apply timezone offset from input. The actual utcOffset can be changed
2289        // with parseZone.
2290        if (config._tzm != null) {
2291            config._d.setUTCMinutes(config._d.getUTCMinutes() - config._tzm);
2292        }
2293
2294        if (config._nextDay) {
2295            config._a[HOUR] = 24;
2296        }
2297    }
2298
2299    function dayOfYearFromWeekInfo(config) {
2300        var w, weekYear, week, weekday, dow, doy, temp, weekdayOverflow;
2301
2302        w = config._w;
2303        if (w.GG != null || w.W != null || w.E != null) {
2304            dow = 1;
2305            doy = 4;
2306
2307            // TODO: We need to take the current isoWeekYear, but that depends on
2308            // how we interpret now (local, utc, fixed offset). So create
2309            // a now version of current config (take local/utc/offset flags, and
2310            // create now).
2311            weekYear = defaults(w.GG, config._a[YEAR], weekOfYear(createLocal(), 1, 4).year);
2312            week = defaults(w.W, 1);
2313            weekday = defaults(w.E, 1);
2314            if (weekday < 1 || weekday > 7) {
2315                weekdayOverflow = true;
2316            }
2317        } else {
2318            dow = config._locale._week.dow;
2319            doy = config._locale._week.doy;
2320
2321            var curWeek = weekOfYear(createLocal(), dow, doy);
2322
2323            weekYear = defaults(w.gg, config._a[YEAR], curWeek.year);
2324
2325            // Default to current week.
2326            week = defaults(w.w, curWeek.week);
2327
2328            if (w.d != null) {
2329                // weekday -- low day numbers are considered next week
2330                weekday = w.d;
2331                if (weekday < 0 || weekday > 6) {
2332                    weekdayOverflow = true;
2333                }
2334            } else if (w.e != null) {
2335                // local weekday -- counting starts from begining of week
2336                weekday = w.e + dow;
2337                if (w.e < 0 || w.e > 6) {
2338                    weekdayOverflow = true;
2339                }
2340            } else {
2341                // default to begining of week
2342                weekday = dow;
2343            }
2344        }
2345        if (week < 1 || week > weeksInYear(weekYear, dow, doy)) {
2346            getParsingFlags(config)._overflowWeeks = true;
2347        } else if (weekdayOverflow != null) {
2348            getParsingFlags(config)._overflowWeekday = true;
2349        } else {
2350            temp = dayOfYearFromWeeks(weekYear, week, weekday, dow, doy);
2351            config._a[YEAR] = temp.year;
2352            config._dayOfYear = temp.dayOfYear;
2353        }
2354    }
2355
2356    // constant that refers to the ISO standard
2357    hooks.ISO_8601 = function () { };
2358
2359    // constant that refers to the RFC 2822 form
2360    hooks.RFC_2822 = function () { };
2361
2362    // date from string and format string
2363    function configFromStringAndFormat(config) {
2364        // TODO: Move this to another part of the creation flow to prevent circular deps
2365        if (config._f === hooks.ISO_8601) {
2366            configFromISO(config);
2367            return;
2368        }
2369        if (config._f === hooks.RFC_2822) {
2370            configFromRFC2822(config);
2371            return;
2372        }
2373        config._a = [];
2374        getParsingFlags(config).empty = true;
2375
2376        // This array is used to make a Date, either with `new Date` or `Date.UTC`
2377        var string = '' + config._i,
2378            i, parsedInput, tokens, token, skipped,
2379            stringLength = string.length,
2380            totalParsedInputLength = 0;
2381
2382        tokens = expandFormat(config._f, config._locale).match(formattingTokens) || [];
2383
2384        for (i = 0; i < tokens.length; i++) {
2385            token = tokens[i];
2386            parsedInput = (string.match(getParseRegexForToken(token, config)) || [])[0];
2387            // console.log('token', token, 'parsedInput', parsedInput,
2388            //         'regex', getParseRegexForToken(token, config));
2389            if (parsedInput) {
2390                skipped = string.substr(0, string.indexOf(parsedInput));
2391                if (skipped.length > 0) {
2392                    getParsingFlags(config).unusedInput.push(skipped);
2393                }
2394                string = string.slice(string.indexOf(parsedInput) + parsedInput.length);
2395                totalParsedInputLength += parsedInput.length;
2396            }
2397            // don't parse if it's not a known token
2398            if (formatTokenFunctions[token]) {
2399                if (parsedInput) {
2400                    getParsingFlags(config).empty = false;
2401                }
2402                else {
2403                    getParsingFlags(config).unusedTokens.push(token);
2404                }
2405                addTimeToArrayFromToken(token, parsedInput, config);
2406            }
2407            else if (config._strict && !parsedInput) {
2408                getParsingFlags(config).unusedTokens.push(token);
2409            }
2410        }
2411
2412        // add remaining unparsed input length to the string
2413        getParsingFlags(config).charsLeftOver = stringLength - totalParsedInputLength;
2414        if (string.length > 0) {
2415            getParsingFlags(config).unusedInput.push(string);
2416        }
2417
2418        // clear _12h flag if hour is <= 12
2419        if (config._a[HOUR] <= 12 &&
2420            getParsingFlags(config).bigHour === true &&
2421            config._a[HOUR] > 0) {
2422            getParsingFlags(config).bigHour = undefined;
2423        }
2424
2425        getParsingFlags(config).parsedDateParts = config._a.slice(0);
2426        getParsingFlags(config).meridiem = config._meridiem;
2427        // handle meridiem
2428        config._a[HOUR] = meridiemFixWrap(config._locale, config._a[HOUR], config._meridiem);
2429
2430        configFromArray(config);
2431        checkOverflow(config);
2432    }
2433
2434
2435    function meridiemFixWrap(locale, hour, meridiem) {
2436        var isPm;
2437
2438        if (meridiem == null) {
2439            // nothing to do
2440            return hour;
2441        }
2442        if (locale.meridiemHour != null) {
2443            return locale.meridiemHour(hour, meridiem);
2444        } else if (locale.isPM != null) {
2445            // Fallback
2446            isPm = locale.isPM(meridiem);
2447            if (isPm && hour < 12) {
2448                hour += 12;
2449            }
2450            if (!isPm && hour === 12) {
2451                hour = 0;
2452            }
2453            return hour;
2454        } else {
2455            // this is not supposed to happen
2456            return hour;
2457        }
2458    }
2459
2460    // date from string and array of format strings
2461    function configFromStringAndArray(config) {
2462        var tempConfig,
2463            bestMoment,
2464
2465            scoreToBeat,
2466            i,
2467            currentScore;
2468
2469        if (config._f.length === 0) {
2470            getParsingFlags(config).invalidFormat = true;
2471            config._d = new Date(NaN);
2472            return;
2473        }
2474
2475        for (i = 0; i < config._f.length; i++) {
2476            currentScore = 0;
2477            tempConfig = copyConfig({}, config);
2478            if (config._useUTC != null) {
2479                tempConfig._useUTC = config._useUTC;
2480            }
2481            tempConfig._f = config._f[i];
2482            configFromStringAndFormat(tempConfig);
2483
2484            if (!isValid(tempConfig)) {
2485                continue;
2486            }
2487
2488            // if there is any input that was not parsed add a penalty for that format
2489            currentScore += getParsingFlags(tempConfig).charsLeftOver;
2490
2491            //or tokens
2492            currentScore += getParsingFlags(tempConfig).unusedTokens.length * 10;
2493
2494            getParsingFlags(tempConfig).score = currentScore;
2495
2496            if (scoreToBeat == null || currentScore < scoreToBeat) {
2497                scoreToBeat = currentScore;
2498                bestMoment = tempConfig;
2499            }
2500        }
2501
2502        extend(config, bestMoment || tempConfig);
2503    }
2504
2505    function configFromObject(config) {
2506        if (config._d) {
2507            return;
2508        }
2509
2510        var i = normalizeObjectUnits(config._i);
2511        config._a = map([i.year, i.month, i.day || i.date, i.hour, i.minute, i.second, i.millisecond], function (obj) {
2512            return obj && parseInt(obj, 10);
2513        });
2514
2515        configFromArray(config);
2516    }
2517
2518    function createFromConfig(config) {
2519        var res = new Moment(checkOverflow(prepareConfig(config)));
2520        if (res._nextDay) {
2521            // Adding is smart enough around DST
2522            res.add(1, 'd');
2523            res._nextDay = undefined;
2524        }
2525
2526        return res;
2527    }
2528
2529    function prepareConfig(config) {
2530        var input = config._i,
2531            format = config._f;
2532
2533        config._locale = config._locale || getLocale(config._l);
2534
2535        if (input === null || (format === undefined && input === '')) {
2536            return createInvalid({ nullInput: true });
2537        }
2538
2539        if (typeof input === 'string') {
2540            config._i = input = config._locale.preparse(input);
2541        }
2542
2543        if (isMoment(input)) {
2544            return new Moment(checkOverflow(input));
2545        } else if (isDate(input)) {
2546            config._d = input;
2547        } else if (isArray(format)) {
2548            configFromStringAndArray(config);
2549        } else if (format) {
2550            configFromStringAndFormat(config);
2551        } else {
2552            configFromInput(config);
2553        }
2554
2555        if (!isValid(config)) {
2556            config._d = null;
2557        }
2558
2559        return config;
2560    }
2561
2562    function configFromInput(config) {
2563        var input = config._i;
2564        if (isUndefined(input)) {
2565            config._d = new Date(hooks.now());
2566        } else if (isDate(input)) {
2567            config._d = new Date(input.valueOf());
2568        } else if (typeof input === 'string') {
2569            configFromString(config);
2570        } else if (isArray(input)) {
2571            config._a = map(input.slice(0), function (obj) {
2572                return parseInt(obj, 10);
2573            });
2574            configFromArray(config);
2575        } else if (isObject(input)) {
2576            configFromObject(config);
2577        } else if (isNumber(input)) {
2578            // from milliseconds
2579            config._d = new Date(input);
2580        } else {
2581            hooks.createFromInputFallback(config);
2582        }
2583    }
2584
2585    function createLocalOrUTC(input, format, locale, strict, isUTC) {
2586        var c = {};
2587
2588        if (locale === true || locale === false) {
2589            strict = locale;
2590            locale = undefined;
2591        }
2592
2593        if ((isObject(input) && isObjectEmpty(input)) ||
2594            (isArray(input) && input.length === 0)) {
2595            input = undefined;
2596        }
2597        // object construction must be done this way.
2598        // https://github.com/moment/moment/issues/1423
2599        c._isAMomentObject = true;
2600        c._useUTC = c._isUTC = isUTC;
2601        c._l = locale;
2602        c._i = input;
2603        c._f = format;
2604        c._strict = strict;
2605
2606        return createFromConfig(c);
2607    }
2608
2609    function createLocal(input, format, locale, strict) {
2610        return createLocalOrUTC(input, format, locale, strict, false);
2611    }
2612
2613    var prototypeMin = deprecate(
2614        'moment().min is deprecated, use moment.max instead. http://momentjs.com/guides/#/warnings/min-max/',
2615        function () {
2616            var other = createLocal.apply(null, arguments);
2617            if (this.isValid() && other.isValid()) {
2618                return other < this ? this : other;
2619            } else {
2620                return createInvalid();
2621            }
2622        }
2623    );
2624
2625    var prototypeMax = deprecate(
2626        'moment().max is deprecated, use moment.min instead. http://momentjs.com/guides/#/warnings/min-max/',
2627        function () {
2628            var other = createLocal.apply(null, arguments);
2629            if (this.isValid() && other.isValid()) {
2630                return other > this ? this : other;
2631            } else {
2632                return createInvalid();
2633            }
2634        }
2635    );
2636
2637    // Pick a moment m from moments so that m[fn](other) is true for all
2638    // other. This relies on the function fn to be transitive.
2639    //
2640    // moments should either be an array of moment objects or an array, whose
2641    // first element is an array of moment objects.
2642    function pickBy(fn, moments) {
2643        var res, i;
2644        if (moments.length === 1 && isArray(moments[0])) {
2645            moments = moments[0];
2646        }
2647        if (!moments.length) {
2648            return createLocal();
2649        }
2650        res = moments[0];
2651        for (i = 1; i < moments.length; ++i) {
2652            if (!moments[i].isValid() || moments[i][fn](res)) {
2653                res = moments[i];
2654            }
2655        }
2656        return res;
2657    }
2658
2659    // TODO: Use [].sort instead?
2660    function min() {
2661        var args = [].slice.call(arguments, 0);
2662
2663        return pickBy('isBefore', args);
2664    }
2665
2666    function max() {
2667        var args = [].slice.call(arguments, 0);
2668
2669        return pickBy('isAfter', args);
2670    }
2671
2672    var now = function () {
2673        return Date.now ? Date.now() : +(new Date());
2674    };
2675
2676    var ordering = ['year', 'quarter', 'month', 'week', 'day', 'hour', 'minute', 'second', 'millisecond'];
2677
2678    function isDurationValid(m) {
2679        for (var key in m) {
2680            if (!(ordering.indexOf(key) !== -1 && (m[key] == null || !isNaN(m[key])))) {
2681                return false;
2682            }
2683        }
2684
2685        var unitHasDecimal = false;
2686        for (var i = 0; i < ordering.length; ++i) {
2687            if (m[ordering[i]]) {
2688                if (unitHasDecimal) {
2689                    return false; // only allow non-integers for smallest unit
2690                }
2691                if (parseFloat(m[ordering[i]]) !== toInt(m[ordering[i]])) {
2692                    unitHasDecimal = true;
2693                }
2694            }
2695        }
2696
2697        return true;
2698    }
2699
2700    function isValid$1() {
2701        return this._isValid;
2702    }
2703
2704    function createInvalid$1() {
2705        return createDuration(NaN);
2706    }
2707
2708    function Duration(duration) {
2709        var normalizedInput = normalizeObjectUnits(duration),
2710            years = normalizedInput.year || 0,
2711            quarters = normalizedInput.quarter || 0,
2712            months = normalizedInput.month || 0,
2713            weeks = normalizedInput.week || 0,
2714            days = normalizedInput.day || 0,
2715            hours = normalizedInput.hour || 0,
2716            minutes = normalizedInput.minute || 0,
2717            seconds = normalizedInput.second || 0,
2718            milliseconds = normalizedInput.millisecond || 0;
2719
2720        this._isValid = isDurationValid(normalizedInput);
2721
2722        // representation for dateAddRemove
2723        this._milliseconds = +milliseconds +
2724            seconds * 1e3 + // 1000
2725            minutes * 6e4 + // 1000 * 60
2726            hours * 1000 * 60 * 60; //using 1000 * 60 * 60 instead of 36e5 to avoid floating point rounding errors https://github.com/moment/moment/issues/2978
2727        // Because of dateAddRemove treats 24 hours as different from a
2728        // day when working around DST, we need to store them separately
2729        this._days = +days +
2730            weeks * 7;
2731        // It is impossible translate months into days without knowing
2732        // which months you are are talking about, so we have to store
2733        // it separately.
2734        this._months = +months +
2735            quarters * 3 +
2736            years * 12;
2737
2738        this._data = {};
2739
2740        this._locale = getLocale();
2741
2742        this._bubble();
2743    }
2744
2745    function isDuration(obj) {
2746        return obj instanceof Duration;
2747    }
2748
2749    function absRound(number) {
2750        if (number < 0) {
2751            return Math.round(-1 * number) * -1;
2752        } else {
2753            return Math.round(number);
2754        }
2755    }
2756
2757    // FORMATTING
2758
2759    function offset(token, separator) {
2760        addFormatToken(token, 0, 0, function () {
2761            var offset = this.utcOffset();
2762            var sign = '+';
2763            if (offset < 0) {
2764                offset = -offset;
2765                sign = '-';
2766            }
2767            return sign + zeroFill(~~(offset / 60), 2) + separator + zeroFill(~~(offset) % 60, 2);
2768        });
2769    }
2770
2771    offset('Z', ':');
2772    offset('ZZ', '');
2773
2774    // PARSING
2775
2776    addRegexToken('Z', matchShortOffset);
2777    addRegexToken('ZZ', matchShortOffset);
2778    addParseToken(['Z', 'ZZ'], function (input, array, config) {
2779        config._useUTC = true;
2780        config._tzm = offsetFromString(matchShortOffset, input);
2781    });
2782
2783    // HELPERS
2784
2785    // timezone chunker
2786    // '+10:00' > ['10',  '00']
2787    // '-1530'  > ['-15', '30']
2788    var chunkOffset = /([\+\-]|\d\d)/gi;
2789
2790    function offsetFromString(matcher, string) {
2791        var matches = (string || '').match(matcher);
2792
2793        if (matches === null) {
2794            return null;
2795        }
2796
2797        var chunk = matches[matches.length - 1] || [];
2798        var parts = (chunk + '').match(chunkOffset) || ['-', 0, 0];
2799        var minutes = +(parts[1] * 60) + toInt(parts[2]);
2800
2801        return minutes === 0 ?
2802            0 :
2803            parts[0] === '+' ? minutes : -minutes;
2804    }
2805
2806    // Return a moment from input, that is local/utc/zone equivalent to model.
2807    function cloneWithOffset(input, model) {
2808        var res, diff;
2809        if (model._isUTC) {
2810            res = model.clone();
2811            diff = (isMoment(input) || isDate(input) ? input.valueOf() : createLocal(input).valueOf()) - res.valueOf();
2812            // Use low-level api, because this fn is low-level api.
2813            res._d.setTime(res._d.valueOf() + diff);
2814            hooks.updateOffset(res, false);
2815            return res;
2816        } else {
2817            return createLocal(input).local();
2818        }
2819    }
2820
2821    function getDateOffset(m) {
2822        // On Firefox.24 Date#getTimezoneOffset returns a floating point.
2823        // https://github.com/moment/moment/pull/1871
2824        return -Math.round(m._d.getTimezoneOffset() / 15) * 15;
2825    }
2826
2827    // HOOKS
2828
2829    // This function will be called whenever a moment is mutated.
2830    // It is intended to keep the offset in sync with the timezone.
2831    hooks.updateOffset = function () { };
2832
2833    // MOMENTS
2834
2835    // keepLocalTime = true means only change the timezone, without
2836    // affecting the local hour. So 5:31:26 +0300 --[utcOffset(2, true)]-->
2837    // 5:31:26 +0200 It is possible that 5:31:26 doesn't exist with offset
2838    // +0200, so we adjust the time as needed, to be valid.
2839    //
2840    // Keeping the time actually adds/subtracts (one hour)
2841    // from the actual represented time. That is why we call updateOffset
2842    // a second time. In case it wants us to change the offset again
2843    // _changeInProgress == true case, then we have to adjust, because
2844    // there is no such time in the given timezone.
2845    function getSetOffset(input, keepLocalTime, keepMinutes) {
2846        var offset = this._offset || 0,
2847            localAdjust;
2848        if (!this.isValid()) {
2849            return input != null ? this : NaN;
2850        }
2851        if (input != null) {
2852            if (typeof input === 'string') {
2853                input = offsetFromString(matchShortOffset, input);
2854                if (input === null) {
2855                    return this;
2856                }
2857            } else if (Math.abs(input) < 16 && !keepMinutes) {
2858                input = input * 60;
2859            }
2860            if (!this._isUTC && keepLocalTime) {
2861                localAdjust = getDateOffset(this);
2862            }
2863            this._offset = input;
2864            this._isUTC = true;
2865            if (localAdjust != null) {
2866                this.add(localAdjust, 'm');
2867            }
2868            if (offset !== input) {
2869                if (!keepLocalTime || this._changeInProgress) {
2870                    addSubtract(this, createDuration(input - offset, 'm'), 1, false);
2871                } else if (!this._changeInProgress) {
2872                    this._changeInProgress = true;
2873                    hooks.updateOffset(this, true);
2874                    this._changeInProgress = null;
2875                }
2876            }
2877            return this;
2878        } else {
2879            return this._isUTC ? offset : getDateOffset(this);
2880        }
2881    }
2882
2883    function getSetZone(input, keepLocalTime) {
2884        if (input != null) {
2885            if (typeof input !== 'string') {
2886                input = -input;
2887            }
2888
2889            this.utcOffset(input, keepLocalTime);
2890
2891            return this;
2892        } else {
2893            return -this.utcOffset();
2894        }
2895    }
2896
2897    function setOffsetToUTC(keepLocalTime) {
2898        return this.utcOffset(0, keepLocalTime);
2899    }
2900
2901    function setOffsetToLocal(keepLocalTime) {
2902        if (this._isUTC) {
2903            this.utcOffset(0, keepLocalTime);
2904            this._isUTC = false;
2905
2906            if (keepLocalTime) {
2907                this.subtract(getDateOffset(this), 'm');
2908            }
2909        }
2910        return this;
2911    }
2912
2913    function setOffsetToParsedOffset() {
2914        if (this._tzm != null) {
2915            this.utcOffset(this._tzm, false, true);
2916        } else if (typeof this._i === 'string') {
2917            var tZone = offsetFromString(matchOffset, this._i);
2918            if (tZone != null) {
2919                this.utcOffset(tZone);
2920            }
2921            else {
2922                this.utcOffset(0, true);
2923            }
2924        }
2925        return this;
2926    }
2927
2928    function hasAlignedHourOffset(input) {
2929        if (!this.isValid()) {
2930            return false;
2931        }
2932        input = input ? createLocal(input).utcOffset() : 0;
2933
2934        return (this.utcOffset() - input) % 60 === 0;
2935    }
2936
2937    function isDaylightSavingTime() {
2938        return (
2939            this.utcOffset() > this.clone().month(0).utcOffset() ||
2940            this.utcOffset() > this.clone().month(5).utcOffset()
2941        );
2942    }
2943
2944    function isDaylightSavingTimeShifted() {
2945        if (!isUndefined(this._isDSTShifted)) {
2946            return this._isDSTShifted;
2947        }
2948
2949        var c = {};
2950
2951        copyConfig(c, this);
2952        c = prepareConfig(c);
2953
2954        if (c._a) {
2955            var other = c._isUTC ? createUTC(c._a) : createLocal(c._a);
2956            this._isDSTShifted = this.isValid() &&
2957                compareArrays(c._a, other.toArray()) > 0;
2958        } else {
2959            this._isDSTShifted = false;
2960        }
2961
2962        return this._isDSTShifted;
2963    }
2964
2965    function isLocal() {
2966        return this.isValid() ? !this._isUTC : false;
2967    }
2968
2969    function isUtcOffset() {
2970        return this.isValid() ? this._isUTC : false;
2971    }
2972
2973    function isUtc() {
2974        return this.isValid() ? this._isUTC && this._offset === 0 : false;
2975    }
2976
2977    // ASP.NET json date format regex
2978    var aspNetRegex = /^(\-)?(?:(\d*)[. ])?(\d+)\:(\d+)(?:\:(\d+)(\.\d*)?)?$/;
2979
2980    // from http://docs.closure-library.googlecode.com/git/closure_goog_date_date.js.source.html
2981    // somewhat more in line with 4.4.3.2 2004 spec, but allows decimal anywhere
2982    // and further modified to allow for strings containing both week and day
2983    var isoRegex = /^(-)?P(?:(-?[0-9,.]*)Y)?(?:(-?[0-9,.]*)M)?(?:(-?[0-9,.]*)W)?(?:(-?[0-9,.]*)D)?(?:T(?:(-?[0-9,.]*)H)?(?:(-?[0-9,.]*)M)?(?:(-?[0-9,.]*)S)?)?$/;
2984
2985    function createDuration(input, key) {
2986        var duration = input,
2987            // matching against regexp is expensive, do it on demand
2988            match = null,
2989            sign,
2990            ret,
2991            diffRes;
2992
2993        if (isDuration(input)) {
2994            duration = {
2995                ms: input._milliseconds,
2996                d: input._days,
2997                M: input._months
2998            };
2999        } else if (isNumber(input)) {
3000            duration = {};
3001            if (key) {
3002                duration[key] = input;
3003            } else {
3004                duration.milliseconds = input;
3005            }
3006        } else if (!!(match = aspNetRegex.exec(input))) {
3007            sign = (match[1] === '-') ? -1 : 1;
3008            duration = {
3009                y: 0,
3010                d: toInt(match[DATE]) * sign,
3011                h: toInt(match[HOUR]) * sign,
3012                m: toInt(match[MINUTE]) * sign,
3013                s: toInt(match[SECOND]) * sign,
3014                ms: toInt(absRound(match[MILLISECOND] * 1000)) * sign // the millisecond decimal point is included in the match
3015            };
3016        } else if (!!(match = isoRegex.exec(input))) {
3017            sign = (match[1] === '-') ? -1 : 1;
3018            duration = {
3019                y: parseIso(match[2], sign),
3020                M: parseIso(match[3], sign),
3021                w: parseIso(match[4], sign),
3022                d: parseIso(match[5], sign),
3023                h: parseIso(match[6], sign),
3024                m: parseIso(match[7], sign),
3025                s: parseIso(match[8], sign)
3026            };
3027        } else if (duration == null) {// checks for null or undefined
3028            duration = {};
3029        } else if (typeof duration === 'object' && ('from' in duration || 'to' in duration)) {
3030            diffRes = momentsDifference(createLocal(duration.from), createLocal(duration.to));
3031
3032            duration = {};
3033            duration.ms = diffRes.milliseconds;
3034            duration.M = diffRes.months;
3035        }
3036
3037        ret = new Duration(duration);
3038
3039        if (isDuration(input) && hasOwnProp(input, '_locale')) {
3040            ret._locale = input._locale;
3041        }
3042
3043        return ret;
3044    }
3045
3046    createDuration.fn = Duration.prototype;
3047    createDuration.invalid = createInvalid$1;
3048
3049    function parseIso(inp, sign) {
3050        // We'd normally use ~~inp for this, but unfortunately it also
3051        // converts floats to ints.
3052        // inp may be undefined, so careful calling replace on it.
3053        var res = inp && parseFloat(inp.replace(',', '.'));
3054        // apply sign while we're at it
3055        return (isNaN(res) ? 0 : res) * sign;
3056    }
3057
3058    function positiveMomentsDifference(base, other) {
3059        var res = { milliseconds: 0, months: 0 };
3060
3061        res.months = other.month() - base.month() +
3062            (other.year() - base.year()) * 12;
3063        if (base.clone().add(res.months, 'M').isAfter(other)) {
3064            --res.months;
3065        }
3066
3067        res.milliseconds = +other - +(base.clone().add(res.months, 'M'));
3068
3069        return res;
3070    }
3071
3072    function momentsDifference(base, other) {
3073        var res;
3074        if (!(base.isValid() && other.isValid())) {
3075            return { milliseconds: 0, months: 0 };
3076        }
3077
3078        other = cloneWithOffset(other, base);
3079        if (base.isBefore(other)) {
3080            res = positiveMomentsDifference(base, other);
3081        } else {
3082            res = positiveMomentsDifference(other, base);
3083            res.milliseconds = -res.milliseconds;
3084            res.months = -res.months;
3085        }
3086
3087        return res;
3088    }
3089
3090    // TODO: remove 'name' arg after deprecation is removed
3091    function createAdder(direction, name) {
3092        return function (val, period) {
3093            var dur, tmp;
3094            //invert the arguments, but complain about it
3095            if (period !== null && !isNaN(+period)) {
3096                deprecateSimple(name, 'moment().' + name + '(period, number) is deprecated. Please use moment().' + name + '(number, period). ' +
3097                    'See http://momentjs.com/guides/#/warnings/add-inverted-param/ for more info.');
3098                tmp = val; val = period; period = tmp;
3099            }
3100
3101            val = typeof val === 'string' ? +val : val;
3102            dur = createDuration(val, period);
3103            addSubtract(this, dur, direction);
3104            return this;
3105        };
3106    }
3107
3108    function addSubtract(mom, duration, isAdding, updateOffset) {
3109        var milliseconds = duration._milliseconds,
3110            days = absRound(duration._days),
3111            months = absRound(duration._months);
3112
3113        if (!mom.isValid()) {
3114            // No op
3115            return;
3116        }
3117
3118        updateOffset = updateOffset == null ? true : updateOffset;
3119
3120        if (milliseconds) {
3121            mom._d.setTime(mom._d.valueOf() + milliseconds * isAdding);
3122        }
3123        if (days) {
3124            set$1(mom, 'Date', get(mom, 'Date') + days * isAdding);
3125        }
3126        if (months) {
3127            setMonth(mom, get(mom, 'Month') + months * isAdding);
3128        }
3129        if (updateOffset) {
3130            hooks.updateOffset(mom, days || months);
3131        }
3132    }
3133
3134    var add = createAdder(1, 'add');
3135    var subtract = createAdder(-1, 'subtract');
3136
3137    function getCalendarFormat(myMoment, now) {
3138        var diff = myMoment.diff(now, 'days', true);
3139        return diff < -6 ? 'sameElse' :
3140            diff < -1 ? 'lastWeek' :
3141                diff < 0 ? 'lastDay' :
3142                    diff < 1 ? 'sameDay' :
3143                        diff < 2 ? 'nextDay' :
3144                            diff < 7 ? 'nextWeek' : 'sameElse';
3145    }
3146
3147    function calendar$1(time, formats) {
3148        // We want to compare the start of today, vs this.
3149        // Getting start-of-today depends on whether we're local/utc/offset or not.
3150        var now = time || createLocal(),
3151            sod = cloneWithOffset(now, this).startOf('day'),
3152            format = hooks.calendarFormat(this, sod) || 'sameElse';
3153
3154        var output = formats && (isFunction(formats[format]) ? formats[format].call(this, now) : formats[format]);
3155
3156        return this.format(output || this.localeData().calendar(format, this, createLocal(now)));
3157    }
3158
3159    function clone() {
3160        return new Moment(this);
3161    }
3162
3163    function isAfter(input, units) {
3164        var localInput = isMoment(input) ? input : createLocal(input);