• 日期格式化,moment.js


    日期格式化,moment.js

    官方文档:http://momentjs.com/;

    使用方法:moment(data).format("YYYY-MM-DD");//data为日期的字符串形式

    moment().format("YYYY-MM-DD");输出当前日期

    moment.js源码如下,使用时去官网下载最新的文件,引用到项目即可。

    //! moment.js
    //! version : 2.5.1
    //! authors : Tim Wood, Iskren Chernev, Moment.js contributors
    //! license : MIT
    //! momentjs.com
    
    (function (undefined) {
    
        /************************************
            Constants
        ************************************/
    
        var moment,
            VERSION = "2.5.1",
            global = this,
            round = Math.round,
            i,
    
            YEAR = 0,
            MONTH = 1,
            DATE = 2,
            HOUR = 3,
            MINUTE = 4,
            SECOND = 5,
            MILLISECOND = 6,
    
            // internal storage for language config files
            languages = {},
    
            // moment internal properties
            momentProperties = {
                _isAMomentObject: null,
                _i : null,
                _f : null,
                _l : null,
                _strict : null,
                _isUTC : null,
                _offset : null,  // optional. Combine with _isUTC
                _pf : null,
                _lang : null  // optional
            },
    
            // check for nodeJS
            hasModule = (typeof module !== 'undefined' && module.exports && typeof require !== 'undefined'),
    
            // ASP.NET json date format regex
            aspNetJsonRegex = /^/?Date((-?d+)/i,
            aspNetTimeSpanJsonRegex = /(-)?(?:(d*).)?(d+):(d+)(?::(d+).?(d{3})?)?/,
    
            // from http://docs.closure-library.googlecode.com/git/closure_goog_date_date.js.source.html
            // somewhat more in line with 4.4.3.2 2004 spec, but allows decimal anywhere
            isoDurationRegex = /^(-)?P(?:(?:([0-9,.]*)Y)?(?:([0-9,.]*)M)?(?:([0-9,.]*)D)?(?:T(?:([0-9,.]*)H)?(?:([0-9,.]*)M)?(?:([0-9,.]*)S)?)?|([0-9,.]*)W)$/,
    
            // format tokens
            formattingTokens = /([[^[]*])|(\)?(Mo|MM?M?M?|Do|DDDo|DD?D?D?|ddd?d?|do?|w[o|w]?|W[o|W]?|YYYYYY|YYYYY|YYYY|YY|gg(ggg?)?|GG(GGG?)?|e|E|a|A|hh?|HH?|mm?|ss?|S{1,4}|X|zz?|ZZ?|.)/g,
            localFormattingTokens = /([[^[]*])|(\)?(LT|LL?L?L?|l{1,4})/g,
    
            // parsing token regexes
            parseTokenOneOrTwoDigits = /dd?/, // 0 - 99
            parseTokenOneToThreeDigits = /d{1,3}/, // 0 - 999
            parseTokenOneToFourDigits = /d{1,4}/, // 0 - 9999
            parseTokenOneToSixDigits = /[+-]?d{1,6}/, // -999,999 - 999,999
            parseTokenDigits = /d+/, // nonzero number of digits
            parseTokenWord = /[0-9]*['a-zu00A0-u05FFu0700-uD7FFuF900-uFDCFuFDF0-uFFEF]+|[u0600-u06FF/]+(s*?[u0600-u06FF]+){1,2}/i, // any word (or two) characters or numbers including two/three word month in arabic.
            parseTokenTimezone = /Z|[+-]dd:?dd/gi, // +00:00 -00:00 +0000 -0000 or Z
            parseTokenT = /T/i, // T (ISO separator)
            parseTokenTimestampMs = /[+-]?d+(.d{1,3})?/, // 123456789 123456789.123
    
            //strict parsing regexes
            parseTokenOneDigit = /d/, // 0 - 9
            parseTokenTwoDigits = /dd/, // 00 - 99
            parseTokenThreeDigits = /d{3}/, // 000 - 999
            parseTokenFourDigits = /d{4}/, // 0000 - 9999
            parseTokenSixDigits = /[+-]?d{6}/, // -999,999 - 999,999
            parseTokenSignedNumber = /[+-]?d+/, // -inf - inf
    
            // iso 8601 regex
            // 0000-00-00 0000-W00 or 0000-W00-0 + T + 00 or 00:00 or 00:00:00 or 00:00:00.000 + +00:00 or +0000 or +00)
            isoRegex = /^s*(?:[+-]d{6}|d{4})-(?:(dd-dd)|(Wdd$)|(Wdd-d)|(ddd))((T| )(dd(:dd(:dd(.d+)?)?)?)?([+-]dd(?::?dd)?|s*Z)?)?$/,
    
            isoFormat = 'YYYY-MM-DDTHH:mm:ssZ',
    
            isoDates = [
                ['YYYYYY-MM-DD', /[+-]d{6}-d{2}-d{2}/],
                ['YYYY-MM-DD', /d{4}-d{2}-d{2}/],
                ['GGGG-[W]WW-E', /d{4}-Wd{2}-d/],
                ['GGGG-[W]WW', /d{4}-Wd{2}/],
                ['YYYY-DDD', /d{4}-d{3}/]
            ],
    
            // iso time formats and regexes
            isoTimes = [
                ['HH:mm:ss.SSSS', /(T| )dd:dd:dd.d{1,3}/],
                ['HH:mm:ss', /(T| )dd:dd:dd/],
                ['HH:mm', /(T| )dd:dd/],
                ['HH', /(T| )dd/]
            ],
    
            // timezone chunker "+10:00" > ["10", "00"] or "-1530" > ["-15", "30"]
            parseTimezoneChunker = /([+-]|dd)/gi,
    
            // getter and setter names
            proxyGettersAndSetters = 'Date|Hours|Minutes|Seconds|Milliseconds'.split('|'),
            unitMillisecondFactors = {
                'Milliseconds' : 1,
                'Seconds' : 1e3,
                'Minutes' : 6e4,
                'Hours' : 36e5,
                'Days' : 864e5,
                'Months' : 2592e6,
                'Years' : 31536e6
            },
    
            unitAliases = {
                ms : 'millisecond',
                s : 'second',
                m : 'minute',
                h : 'hour',
                d : 'day',
                D : 'date',
                w : 'week',
                W : 'isoWeek',
                M : 'month',
                y : 'year',
                DDD : 'dayOfYear',
                e : 'weekday',
                E : 'isoWeekday',
                gg: 'weekYear',
                GG: 'isoWeekYear'
            },
    
            camelFunctions = {
                dayofyear : 'dayOfYear',
                isoweekday : 'isoWeekday',
                isoweek : 'isoWeek',
                weekyear : 'weekYear',
                isoweekyear : 'isoWeekYear'
            },
    
            // format function strings
            formatFunctions = {},
    
            // tokens to ordinalize and pad
            ordinalizeTokens = 'DDD w W M D d'.split(' '),
            paddedTokens = 'M D H h m s w W'.split(' '),
    
            formatTokenFunctions = {
                M    : function () {
                    return this.month() + 1;
                },
                MMM  : function (format) {
                    return this.lang().monthsShort(this, format);
                },
                MMMM : function (format) {
                    return this.lang().months(this, format);
                },
                D    : function () {
                    return this.date();
                },
                DDD  : function () {
                    return this.dayOfYear();
                },
                d    : function () {
                    return this.day();
                },
                dd   : function (format) {
                    return this.lang().weekdaysMin(this, format);
                },
                ddd  : function (format) {
                    return this.lang().weekdaysShort(this, format);
                },
                dddd : function (format) {
                    return this.lang().weekdays(this, format);
                },
                w    : function () {
                    return this.week();
                },
                W    : function () {
                    return this.isoWeek();
                },
                YY   : function () {
                    return leftZeroFill(this.year() % 100, 2);
                },
                YYYY : function () {
                    return leftZeroFill(this.year(), 4);
                },
                YYYYY : function () {
                    return leftZeroFill(this.year(), 5);
                },
                YYYYYY : function () {
                    var y = this.year(), sign = y >= 0 ? '+' : '-';
                    return sign + leftZeroFill(Math.abs(y), 6);
                },
                gg   : function () {
                    return leftZeroFill(this.weekYear() % 100, 2);
                },
                gggg : function () {
                    return leftZeroFill(this.weekYear(), 4);
                },
                ggggg : function () {
                    return leftZeroFill(this.weekYear(), 5);
                },
                GG   : function () {
                    return leftZeroFill(this.isoWeekYear() % 100, 2);
                },
                GGGG : function () {
                    return leftZeroFill(this.isoWeekYear(), 4);
                },
                GGGGG : function () {
                    return leftZeroFill(this.isoWeekYear(), 5);
                },
                e : function () {
                    return this.weekday();
                },
                E : function () {
                    return this.isoWeekday();
                },
                a    : function () {
                    return this.lang().meridiem(this.hours(), this.minutes(), true);
                },
                A    : function () {
                    return this.lang().meridiem(this.hours(), this.minutes(), false);
                },
                H    : function () {
                    return this.hours();
                },
                h    : function () {
                    return this.hours() % 12 || 12;
                },
                m    : function () {
                    return this.minutes();
                },
                s    : function () {
                    return this.seconds();
                },
                S    : function () {
                    return toInt(this.milliseconds() / 100);
                },
                SS   : function () {
                    return leftZeroFill(toInt(this.milliseconds() / 10), 2);
                },
                SSS  : function () {
                    return leftZeroFill(this.milliseconds(), 3);
                },
                SSSS : function () {
                    return leftZeroFill(this.milliseconds(), 3);
                },
                Z    : function () {
                    var a = -this.zone(),
                        b = "+";
                    if (a < 0) {
                        a = -a;
                        b = "-";
                    }
                    return b + leftZeroFill(toInt(a / 60), 2) + ":" + leftZeroFill(toInt(a) % 60, 2);
                },
                ZZ   : function () {
                    var a = -this.zone(),
                        b = "+";
                    if (a < 0) {
                        a = -a;
                        b = "-";
                    }
                    return b + leftZeroFill(toInt(a / 60), 2) + leftZeroFill(toInt(a) % 60, 2);
                },
                z : function () {
                    return this.zoneAbbr();
                },
                zz : function () {
                    return this.zoneName();
                },
                X    : function () {
                    return this.unix();
                },
                Q : function () {
                    return this.quarter();
                }
            },
    
            lists = ['months', 'monthsShort', 'weekdays', 'weekdaysShort', 'weekdaysMin'];
    
        function defaultParsingFlags() {
            // We need to deep clone this object, and es5 standard is not very
            // helpful.
            return {
                empty : false,
                unusedTokens : [],
                unusedInput : [],
                overflow : -2,
                charsLeftOver : 0,
                nullInput : false,
                invalidMonth : null,
                invalidFormat : false,
                userInvalidated : false,
                iso: false
            };
        }
    
        function padToken(func, count) {
            return function (a) {
                return leftZeroFill(func.call(this, a), count);
            };
        }
        function ordinalizeToken(func, period) {
            return function (a) {
                return this.lang().ordinal(func.call(this, a), period);
            };
        }
    
        while (ordinalizeTokens.length) {
            i = ordinalizeTokens.pop();
            formatTokenFunctions[i + 'o'] = ordinalizeToken(formatTokenFunctions[i], i);
        }
        while (paddedTokens.length) {
            i = paddedTokens.pop();
            formatTokenFunctions[i + i] = padToken(formatTokenFunctions[i], 2);
        }
        formatTokenFunctions.DDDD = padToken(formatTokenFunctions.DDD, 3);
    
    
        /************************************
            Constructors
        ************************************/
    
        function Language() {
    
        }
    
        // Moment prototype object
        function Moment(config) {
            checkOverflow(config);
            extend(this, config);
        }
    
        // Duration Constructor
        function Duration(duration) {
            var normalizedInput = normalizeObjectUnits(duration),
                years = normalizedInput.year || 0,
                months = normalizedInput.month || 0,
                weeks = normalizedInput.week || 0,
                days = normalizedInput.day || 0,
                hours = normalizedInput.hour || 0,
                minutes = normalizedInput.minute || 0,
                seconds = normalizedInput.second || 0,
                milliseconds = normalizedInput.millisecond || 0;
    
            // representation for dateAddRemove
            this._milliseconds = +milliseconds +
                seconds * 1e3 + // 1000
                minutes * 6e4 + // 1000 * 60
                hours * 36e5; // 1000 * 60 * 60
            // Because of dateAddRemove treats 24 hours as different from a
            // day when working around DST, we need to store them separately
            this._days = +days +
                weeks * 7;
            // It is impossible translate months into days without knowing
            // which months you are are talking about, so we have to store
            // it separately.
            this._months = +months +
                years * 12;
    
            this._data = {};
    
            this._bubble();
        }
    
        /************************************
            Helpers
        ************************************/
    
    
        function extend(a, b) {
            for (var i in b) {
                if (b.hasOwnProperty(i)) {
                    a[i] = b[i];
                }
            }
    
            if (b.hasOwnProperty("toString")) {
                a.toString = b.toString;
            }
    
            if (b.hasOwnProperty("valueOf")) {
                a.valueOf = b.valueOf;
            }
    
            return a;
        }
    
        function cloneMoment(m) {
            var result = {}, i;
            for (i in m) {
                if (m.hasOwnProperty(i) && momentProperties.hasOwnProperty(i)) {
                    result[i] = m[i];
                }
            }
    
            return result;
        }
    
        function absRound(number) {
            if (number < 0) {
                return Math.ceil(number);
            } else {
                return Math.floor(number);
            }
        }
    
        // left zero fill a number
        // see http://jsperf.com/left-zero-filling for performance comparison
        function leftZeroFill(number, targetLength, forceSign) {
            var output = '' + Math.abs(number),
                sign = number >= 0;
    
            while (output.length < targetLength) {
                output = '0' + output;
            }
            return (sign ? (forceSign ? '+' : '') : '-') + output;
        }
    
        // helper function for _.addTime and _.subtractTime
        function addOrSubtractDurationFromMoment(mom, duration, isAdding, ignoreUpdateOffset) {
            var milliseconds = duration._milliseconds,
                days = duration._days,
                months = duration._months,
                minutes,
                hours;
    
            if (milliseconds) {
                mom._d.setTime(+mom._d + milliseconds * isAdding);
            }
            // store the minutes and hours so we can restore them
            if (days || months) {
                minutes = mom.minute();
                hours = mom.hour();
            }
            if (days) {
                mom.date(mom.date() + days * isAdding);
            }
            if (months) {
                mom.month(mom.month() + months * isAdding);
            }
            if (milliseconds && !ignoreUpdateOffset) {
                moment.updateOffset(mom);
            }
            // restore the minutes and hours after possibly changing dst
            if (days || months) {
                mom.minute(minutes);
                mom.hour(hours);
            }
        }
    
        // check if is an array
        function isArray(input) {
            return Object.prototype.toString.call(input) === '[object Array]';
        }
    
        function isDate(input) {
            return  Object.prototype.toString.call(input) === '[object Date]' ||
                    input instanceof Date;
        }
    
        // compare two arrays, return the number of differences
        function compareArrays(array1, array2, dontConvert) {
            var len = Math.min(array1.length, array2.length),
                lengthDiff = Math.abs(array1.length - array2.length),
                diffs = 0,
                i;
            for (i = 0; i < len; i++) {
                if ((dontConvert && array1[i] !== array2[i]) ||
                    (!dontConvert && toInt(array1[i]) !== toInt(array2[i]))) {
                    diffs++;
                }
            }
            return diffs + lengthDiff;
        }
    
        function normalizeUnits(units) {
            if (units) {
                var lowered = units.toLowerCase().replace(/(.)s$/, '$1');
                units = unitAliases[units] || camelFunctions[lowered] || lowered;
            }
            return units;
        }
    
        function normalizeObjectUnits(inputObject) {
            var normalizedInput = {},
                normalizedProp,
                prop;
    
            for (prop in inputObject) {
                if (inputObject.hasOwnProperty(prop)) {
                    normalizedProp = normalizeUnits(prop);
                    if (normalizedProp) {
                        normalizedInput[normalizedProp] = inputObject[prop];
                    }
                }
            }
    
            return normalizedInput;
        }
    
        function makeList(field) {
            var count, setter;
    
            if (field.indexOf('week') === 0) {
                count = 7;
                setter = 'day';
            }
            else if (field.indexOf('month') === 0) {
                count = 12;
                setter = 'month';
            }
            else {
                return;
            }
    
            moment[field] = function (format, index) {
                var i, getter,
                    method = moment.fn._lang[field],
                    results = [];
    
                if (typeof format === 'number') {
                    index = format;
                    format = undefined;
                }
    
                getter = function (i) {
                    var m = moment().utc().set(setter, i);
                    return method.call(moment.fn._lang, m, format || '');
                };
    
                if (index != null) {
                    return getter(index);
                }
                else {
                    for (i = 0; i < count; i++) {
                        results.push(getter(i));
                    }
                    return results;
                }
            };
        }
    
        function toInt(argumentForCoercion) {
            var coercedNumber = +argumentForCoercion,
                value = 0;
    
            if (coercedNumber !== 0 && isFinite(coercedNumber)) {
                if (coercedNumber >= 0) {
                    value = Math.floor(coercedNumber);
                } else {
                    value = Math.ceil(coercedNumber);
                }
            }
    
            return value;
        }
    
        function daysInMonth(year, month) {
            return new Date(Date.UTC(year, month + 1, 0)).getUTCDate();
        }
    
        function daysInYear(year) {
            return isLeapYear(year) ? 366 : 365;
        }
    
        function isLeapYear(year) {
            return (year % 4 === 0 && year % 100 !== 0) || year % 400 === 0;
        }
    
        function checkOverflow(m) {
            var overflow;
            if (m._a && m._pf.overflow === -2) {
                overflow =
                    m._a[MONTH] < 0 || m._a[MONTH] > 11 ? MONTH :
                    m._a[DATE] < 1 || m._a[DATE] > daysInMonth(m._a[YEAR], m._a[MONTH]) ? DATE :
                    m._a[HOUR] < 0 || m._a[HOUR] > 23 ? HOUR :
                    m._a[MINUTE] < 0 || m._a[MINUTE] > 59 ? MINUTE :
                    m._a[SECOND] < 0 || m._a[SECOND] > 59 ? SECOND :
                    m._a[MILLISECOND] < 0 || m._a[MILLISECOND] > 999 ? MILLISECOND :
                    -1;
    
                if (m._pf._overflowDayOfYear && (overflow < YEAR || overflow > DATE)) {
                    overflow = DATE;
                }
    
                m._pf.overflow = overflow;
            }
        }
    
        function isValid(m) {
            if (m._isValid == null) {
                m._isValid = !isNaN(m._d.getTime()) &&
                    m._pf.overflow < 0 &&
                    !m._pf.empty &&
                    !m._pf.invalidMonth &&
                    !m._pf.nullInput &&
                    !m._pf.invalidFormat &&
                    !m._pf.userInvalidated;
    
                if (m._strict) {
                    m._isValid = m._isValid &&
                        m._pf.charsLeftOver === 0 &&
                        m._pf.unusedTokens.length === 0;
                }
            }
            return m._isValid;
        }
    
        function normalizeLanguage(key) {
            return key ? key.toLowerCase().replace('_', '-') : key;
        }
    
        // Return a moment from input, that is local/utc/zone equivalent to model.
        function makeAs(input, model) {
            return model._isUTC ? moment(input).zone(model._offset || 0) :
                moment(input).local();
        }
    
        /************************************
            Languages
        ************************************/
    
    
        extend(Language.prototype, {
    
            set : function (config) {
                var prop, i;
                for (i in config) {
                    prop = config[i];
                    if (typeof prop === 'function') {
                        this[i] = prop;
                    } else {
                        this['_' + i] = prop;
                    }
                }
            },
    
            _months: "一月_二月_三月_四月_五月_六月_七月_八月_九月_十月_十一月_十二月".split("_"),
            months : function (m) {
                return this._months[m.month()];
            },
    
            _monthsShort : "一月_二月_三月_四月_五月_六月_七月_八月_九月_十月_十一月_十二月".split("_"),
            monthsShort : function (m) {
                return this._monthsShort[m.month()];
            },
    
            monthsParse : function (monthName) {
                var i, mom, regex;
    
                if (!this._monthsParse) {
                    this._monthsParse = [];
                }
    
                for (i = 0; i < 12; i++) {
                    // make the regex if we don't have it already
                    if (!this._monthsParse[i]) {
                        mom = moment.utc([2000, i]);
                        regex = '^' + this.months(mom, '') + '|^' + this.monthsShort(mom, '');
                        this._monthsParse[i] = new RegExp(regex.replace('.', ''), 'i');
                    }
                    // test the regex
                    if (this._monthsParse[i].test(monthName)) {
                        return i;
                    }
                }
            },
    
            _weekdays: "星期日_星期一_星期二_星期三_星期四_星期五_星期六".split("_"),
            weekdays : function (m) {
                return this._weekdays[m.day()];
            },
    
            _weekdaysShort: "星期日_星期一_星期二_星期三_星期四_星期五_星期六".split("_"),
            weekdaysShort : function (m) {
                return this._weekdaysShort[m.day()];
            },
    
            _weekdaysMin: "周日_周一_周二_周三_周四_周五_周六".split("_"),
            weekdaysMin : function (m) {
                return this._weekdaysMin[m.day()];
            },
    
            weekdaysParse : function (weekdayName) {
                var i, mom, regex;
    
                if (!this._weekdaysParse) {
                    this._weekdaysParse = [];
                }
    
                for (i = 0; i < 7; i++) {
                    // make the regex if we don't have it already
                    if (!this._weekdaysParse[i]) {
                        mom = moment([2000, 1]).day(i);
                        regex = '^' + this.weekdays(mom, '') + '|^' + this.weekdaysShort(mom, '') + '|^' + this.weekdaysMin(mom, '');
                        this._weekdaysParse[i] = new RegExp(regex.replace('.', ''), 'i');
                    }
                    // test the regex
                    if (this._weekdaysParse[i].test(weekdayName)) {
                        return i;
                    }
                }
            },
    
            _longDateFormat : {
                LT : "h:mm A",
                L: "YYYY-MM-DD",
                LL : "MMMM D YYYY",
                LLL : "MMMM D YYYY LT",
                LLLL : "dddd, MMMM D YYYY LT"
            },
            longDateFormat : function (key) {
                var output = this._longDateFormat[key];
                if (!output && this._longDateFormat[key.toUpperCase()]) {
                    output = this._longDateFormat[key.toUpperCase()].replace(/MMMM|MM|DD|dddd/g, function (val) {
                        return val.slice(1);
                    });
                    this._longDateFormat[key] = output;
                }
                return output;
            },
    
            isPM : function (input) {
                // IE8 Quirks Mode & IE7 Standards Mode do not allow accessing strings like arrays
                // Using charAt should be more compatible.
                return ((input + '').toLowerCase().charAt(0) === 'p');
            },
    
            _meridiemParse : /[ap].?m?.?/i,
            meridiem : function (hours, minutes, isLower) {
                if (hours > 11) {
                    return isLower ? 'pm' : 'PM';
                } else {
                    return isLower ? 'am' : 'AM';
                }
            },
    
            _calendar : {
                sameDay : '[Today at] LT',
                nextDay : '[Tomorrow at] LT',
                nextWeek : 'dddd [at] LT',
                lastDay : '[Yesterday at] LT',
                lastWeek : '[Last] dddd [at] LT',
                sameElse : 'L'
            },
            calendar : function (key, mom) {
                var output = this._calendar[key];
                return typeof output === 'function' ? output.apply(mom) : output;
            },
    
            _relativeTime : {
                future : "in %s",
                past : "%s ago",
                s : "a few seconds",
                m : "a minute",
                mm : "%d minutes",
                h : "an hour",
                hh : "%d hours",
                d : "a day",
                dd : "%d days",
                M : "a month",
                MM : "%d months",
                y : "a year",
                yy : "%d years"
            },
            relativeTime : function (number, withoutSuffix, string, isFuture) {
                var output = this._relativeTime[string];
                return (typeof output === 'function') ?
                    output(number, withoutSuffix, string, isFuture) :
                    output.replace(/%d/i, number);
            },
            pastFuture : function (diff, output) {
                var format = this._relativeTime[diff > 0 ? 'future' : 'past'];
                return typeof format === 'function' ? format(output) : format.replace(/%s/i, output);
            },
    
            ordinal : function (number) {
                return this._ordinal.replace("%d", number);
            },
            _ordinal : "%d",
    
            preparse : function (string) {
                return string;
            },
    
            postformat : function (string) {
                return string;
            },
    
            week : function (mom) {
                return weekOfYear(mom, this._week.dow, this._week.doy).week;
            },
    
            _week : {
                dow : 0, // Sunday is the first day of the week.
                doy : 6  // The week that contains Jan 1st is the first week of the year.
            },
    
            _invalidDate: 'Invalid date',
            invalidDate: function () {
                return this._invalidDate;
            }
        });
    
        // Loads a language definition into the `languages` cache.  The function
        // takes a key and optionally values.  If not in the browser and no values
        // are provided, it will load the language file module.  As a convenience,
        // this function also returns the language values.
        function loadLang(key, values) {
            values.abbr = key;
            if (!languages[key]) {
                languages[key] = new Language();
            }
            languages[key].set(values);
            return languages[key];
        }
    
        // Remove a language from the `languages` cache. Mostly useful in tests.
        function unloadLang(key) {
            delete languages[key];
        }
    
        // Determines which language definition to use and returns it.
        //
        // With no parameters, it will return the global language.  If you
        // pass in a language key, such as 'en', it will return the
        // definition for 'en', so long as 'en' has already been loaded using
        // moment.lang.
        function getLangDefinition(key) {
            var i = 0, j, lang, next, split,
                get = function (k) {
                    if (!languages[k] && hasModule) {
                        try {
                            require('./lang/' + k);
                        } catch (e) { }
                    }
                    return languages[k];
                };
    
            if (!key) {
                return moment.fn._lang;
            }
    
            if (!isArray(key)) {
                //short-circuit everything else
                lang = get(key);
                if (lang) {
                    return lang;
                }
                key = [key];
            }
    
            //pick the language from the array
            //try ['en-au', 'en-gb'] as 'en-au', 'en-gb', 'en', as in move through the list trying each
            //substring from most specific to least, but move to the next array item if it's a more specific variant than the current root
            while (i < key.length) {
                split = normalizeLanguage(key[i]).split('-');
                j = split.length;
                next = normalizeLanguage(key[i + 1]);
                next = next ? next.split('-') : null;
                while (j > 0) {
                    lang = get(split.slice(0, j).join('-'));
                    if (lang) {
                        return lang;
                    }
                    if (next && next.length >= j && compareArrays(split, next, true) >= j - 1) {
                        //the next array item is better than a shallower substring of this one
                        break;
                    }
                    j--;
                }
                i++;
            }
            return moment.fn._lang;
        }
    
        /************************************
            Formatting
        ************************************/
    
    
        function removeFormattingTokens(input) {
            if (input.match(/[[sS]/)) {
                return input.replace(/^[|]$/g, "");
            }
            return input.replace(/\/g, "");
        }
    
        function makeFormatFunction(format) {
            var array = format.match(formattingTokens), i, length;
    
            for (i = 0, length = array.length; i < length; i++) {
                if (formatTokenFunctions[array[i]]) {
                    array[i] = formatTokenFunctions[array[i]];
                } else {
                    array[i] = removeFormattingTokens(array[i]);
                }
            }
    
            return function (mom) {
                var output = "";
                for (i = 0; i < length; i++) {
                    output += array[i] instanceof Function ? array[i].call(mom, format) : array[i];
                }
                return output;
            };
        }
    
        // format date using native date object
        function formatMoment(m, format) {
    
            if (!m.isValid()) {
                return m.lang().invalidDate();
            }
    
            format = expandFormat(format, m.lang());
    
            if (!formatFunctions[format]) {
                formatFunctions[format] = makeFormatFunction(format);
            }
    
            return formatFunctions[format](m);
        }
    
        function expandFormat(format, lang) {
            var i = 5;
    
            function replaceLongDateFormatTokens(input) {
                return lang.longDateFormat(input) || input;
            }
    
            localFormattingTokens.lastIndex = 0;
            while (i >= 0 && localFormattingTokens.test(format)) {
                format = format.replace(localFormattingTokens, replaceLongDateFormatTokens);
                localFormattingTokens.lastIndex = 0;
                i -= 1;
            }
    
            return format;
        }
    
    
        /************************************
            Parsing
        ************************************/
    
    
        // get the regex to find the next token
        function getParseRegexForToken(token, config) {
            var a, strict = config._strict;
            switch (token) {
            case 'DDDD':
                return parseTokenThreeDigits;
            case 'YYYY':
            case 'GGGG':
            case 'gggg':
                return strict ? parseTokenFourDigits : parseTokenOneToFourDigits;
            case 'Y':
            case 'G':
            case 'g':
                return parseTokenSignedNumber;
            case 'YYYYYY':
            case 'YYYYY':
            case 'GGGGG':
            case 'ggggg':
                return strict ? parseTokenSixDigits : parseTokenOneToSixDigits;
            case 'S':
                if (strict) { return parseTokenOneDigit; }
                /* falls through */
            case 'SS':
                if (strict) { return parseTokenTwoDigits; }
                /* falls through */
            case 'SSS':
                if (strict) { return parseTokenThreeDigits; }
                /* falls through */
            case 'DDD':
                return parseTokenOneToThreeDigits;
            case 'MMM':
            case 'MMMM':
            case 'dd':
            case 'ddd':
            case 'dddd':
                return parseTokenWord;
            case 'a':
            case 'A':
                return getLangDefinition(config._l)._meridiemParse;
            case 'X':
                return parseTokenTimestampMs;
            case 'Z':
            case 'ZZ':
                return parseTokenTimezone;
            case 'T':
                return parseTokenT;
            case 'SSSS':
                return parseTokenDigits;
            case 'MM':
            case 'DD':
            case 'YY':
            case 'GG':
            case 'gg':
            case 'HH':
            case 'hh':
            case 'mm':
            case 'ss':
            case 'ww':
            case 'WW':
                return strict ? parseTokenTwoDigits : parseTokenOneOrTwoDigits;
            case 'M':
            case 'D':
            case 'd':
            case 'H':
            case 'h':
            case 'm':
            case 's':
            case 'w':
            case 'W':
            case 'e':
            case 'E':
                return parseTokenOneOrTwoDigits;
            default :
                a = new RegExp(regexpEscape(unescapeFormat(token.replace('\', '')), "i"));
                return a;
            }
        }
    
        function timezoneMinutesFromString(string) {
            string = string || "";
            var possibleTzMatches = (string.match(parseTokenTimezone) || []),
                tzChunk = possibleTzMatches[possibleTzMatches.length - 1] || [],
                parts = (tzChunk + '').match(parseTimezoneChunker) || ['-', 0, 0],
                minutes = +(parts[1] * 60) + toInt(parts[2]);
    
            return parts[0] === '+' ? -minutes : minutes;
        }
    
        // function to convert string input to date
        function addTimeToArrayFromToken(token, input, config) {
            var a, datePartArray = config._a;
    
            switch (token) {
            // MONTH
            case 'M' : // fall through to MM
            case 'MM' :
                if (input != null) {
                    datePartArray[MONTH] = toInt(input) - 1;
                }
                break;
            case 'MMM' : // fall through to MMMM
            case 'MMMM' :
                a = getLangDefinition(config._l).monthsParse(input);
                // if we didn't find a month name, mark the date as invalid.
                if (a != null) {
                    datePartArray[MONTH] = a;
                } else {
                    config._pf.invalidMonth = input;
                }
                break;
            // DAY OF MONTH
            case 'D' : // fall through to DD
            case 'DD' :
                if (input != null) {
                    datePartArray[DATE] = toInt(input);
                }
                break;
            // DAY OF YEAR
            case 'DDD' : // fall through to DDDD
            case 'DDDD' :
                if (input != null) {
                    config._dayOfYear = toInt(input);
                }
    
                break;
            // YEAR
            case 'YY' :
                datePartArray[YEAR] = toInt(input) + (toInt(input) > 68 ? 1900 : 2000);
                break;
            case 'YYYY' :
            case 'YYYYY' :
            case 'YYYYYY' :
                datePartArray[YEAR] = toInt(input);
                break;
            // AM / PM
            case 'a' : // fall through to A
            case 'A' :
                config._isPm = getLangDefinition(config._l).isPM(input);
                break;
            // 24 HOUR
            case 'H' : // fall through to hh
            case 'HH' : // fall through to hh
            case 'h' : // fall through to hh
            case 'hh' :
                datePartArray[HOUR] = toInt(input);
                break;
            // MINUTE
            case 'm' : // fall through to mm
            case 'mm' :
                datePartArray[MINUTE] = toInt(input);
                break;
            // SECOND
            case 's' : // fall through to ss
            case 'ss' :
                datePartArray[SECOND] = toInt(input);
                break;
            // MILLISECOND
            case 'S' :
            case 'SS' :
            case 'SSS' :
            case 'SSSS' :
                datePartArray[MILLISECOND] = toInt(('0.' + input) * 1000);
                break;
            // UNIX TIMESTAMP WITH MS
            case 'X':
                config._d = new Date(parseFloat(input) * 1000);
                break;
            // TIMEZONE
            case 'Z' : // fall through to ZZ
            case 'ZZ' :
                config._useUTC = true;
                config._tzm = timezoneMinutesFromString(input);
                break;
            case 'w':
            case 'ww':
            case 'W':
            case 'WW':
            case 'd':
            case 'dd':
            case 'ddd':
            case 'dddd':
            case 'e':
            case 'E':
                token = token.substr(0, 1);
                /* falls through */
            case 'gg':
            case 'gggg':
            case 'GG':
            case 'GGGG':
            case 'GGGGG':
                token = token.substr(0, 2);
                if (input) {
                    config._w = config._w || {};
                    config._w[token] = input;
                }
                break;
            }
        }
    
        // convert an array to a date.
        // the array should mirror the parameters below
        // note: all values past the year are optional and will default to the lowest possible value.
        // [year, month, day , hour, minute, second, millisecond]
        function dateFromConfig(config) {
            var i, date, input = [], currentDate,
                yearToUse, fixYear, w, temp, lang, weekday, week;
    
            if (config._d) {
                return;
            }
    
            currentDate = currentDateArray(config);
    
            //compute day of the year from weeks and weekdays
            if (config._w && config._a[DATE] == null && config._a[MONTH] == null) {
                fixYear = function (val) {
                    var int_val = parseInt(val, 10);
                    return val ?
                      (val.length < 3 ? (int_val > 68 ? 1900 + int_val : 2000 + int_val) : int_val) :
                      (config._a[YEAR] == null ? moment().weekYear() : config._a[YEAR]);
                };
    
                w = config._w;
                if (w.GG != null || w.W != null || w.E != null) {
                    temp = dayOfYearFromWeeks(fixYear(w.GG), w.W || 1, w.E, 4, 1);
                }
                else {
                    lang = getLangDefinition(config._l);
                    weekday = w.d != null ?  parseWeekday(w.d, lang) :
                      (w.e != null ?  parseInt(w.e, 10) + lang._week.dow : 0);
    
                    week = parseInt(w.w, 10) || 1;
    
                    //if we're parsing 'd', then the low day numbers may be next week
                    if (w.d != null && weekday < lang._week.dow) {
                        week++;
                    }
    
                    temp = dayOfYearFromWeeks(fixYear(w.gg), week, weekday, lang._week.doy, lang._week.dow);
                }
    
                config._a[YEAR] = temp.year;
                config._dayOfYear = temp.dayOfYear;
            }
    
            //if the day of the year is set, figure out what it is
            if (config._dayOfYear) {
                yearToUse = config._a[YEAR] == null ? currentDate[YEAR] : config._a[YEAR];
    
                if (config._dayOfYear > daysInYear(yearToUse)) {
                    config._pf._overflowDayOfYear = true;
                }
    
                date = makeUTCDate(yearToUse, 0, config._dayOfYear);
                config._a[MONTH] = date.getUTCMonth();
                config._a[DATE] = date.getUTCDate();
            }
    
            // Default to current date.
            // * if no year, month, day of month are given, default to today
            // * if day of month is given, default month and year
            // * if month is given, default only year
            // * if year is given, don't default anything
            for (i = 0; i < 3 && config._a[i] == null; ++i) {
                config._a[i] = input[i] = currentDate[i];
            }
    
            // Zero out whatever was not defaulted, including time
            for (; i < 7; i++) {
                config._a[i] = input[i] = (config._a[i] == null) ? (i === 2 ? 1 : 0) : config._a[i];
            }
    
            // add the offsets to the time to be parsed so that we can have a clean array for checking isValid
            input[HOUR] += toInt((config._tzm || 0) / 60);
            input[MINUTE] += toInt((config._tzm || 0) % 60);
    
            config._d = (config._useUTC ? makeUTCDate : makeDate).apply(null, input);
        }
    
        function dateFromObject(config) {
            var normalizedInput;
    
            if (config._d) {
                return;
            }
    
            normalizedInput = normalizeObjectUnits(config._i);
            config._a = [
                normalizedInput.year,
                normalizedInput.month,
                normalizedInput.day,
                normalizedInput.hour,
                normalizedInput.minute,
                normalizedInput.second,
                normalizedInput.millisecond
            ];
    
            dateFromConfig(config);
        }
    
        function currentDateArray(config) {
            var now = new Date();
            if (config._useUTC) {
                return [
                    now.getUTCFullYear(),
                    now.getUTCMonth(),
                    now.getUTCDate()
                ];
            } else {
                return [now.getFullYear(), now.getMonth(), now.getDate()];
            }
        }
    
        // date from string and format string
        function makeDateFromStringAndFormat(config) {
    
            config._a = [];
            config._pf.empty = true;
    
            // This array is used to make a Date, either with `new Date` or `Date.UTC`
            var lang = getLangDefinition(config._l),
                string = '' + config._i,
                i, parsedInput, tokens, token, skipped,
                stringLength = string.length,
                totalParsedInputLength = 0;
    
            tokens = expandFormat(config._f, lang).match(formattingTokens) || [];
    
            for (i = 0; i < tokens.length; i++) {
                token = tokens[i];
                parsedInput = (string.match(getParseRegexForToken(token, config)) || [])[0];
                if (parsedInput) {
                    skipped = string.substr(0, string.indexOf(parsedInput));
                    if (skipped.length > 0) {
                        config._pf.unusedInput.push(skipped);
                    }
                    string = string.slice(string.indexOf(parsedInput) + parsedInput.length);
                    totalParsedInputLength += parsedInput.length;
                }
                // don't parse if it's not a known token
                if (formatTokenFunctions[token]) {
                    if (parsedInput) {
                        config._pf.empty = false;
                    }
                    else {
                        config._pf.unusedTokens.push(token);
                    }
                    addTimeToArrayFromToken(token, parsedInput, config);
                }
                else if (config._strict && !parsedInput) {
                    config._pf.unusedTokens.push(token);
                }
            }
    
            // add remaining unparsed input length to the string
            config._pf.charsLeftOver = stringLength - totalParsedInputLength;
            if (string.length > 0) {
                config._pf.unusedInput.push(string);
            }
    
            // handle am pm
            if (config._isPm && config._a[HOUR] < 12) {
                config._a[HOUR] += 12;
            }
            // if is 12 am, change hours to 0
            if (config._isPm === false && config._a[HOUR] === 12) {
                config._a[HOUR] = 0;
            }
    
            dateFromConfig(config);
            checkOverflow(config);
        }
    
        function unescapeFormat(s) {
            return s.replace(/\([)|\(])|[([^][]*)]|\(.)/g, function (matched, p1, p2, p3, p4) {
                return p1 || p2 || p3 || p4;
            });
        }
    
        // Code from http://stackoverflow.com/questions/3561493/is-there-a-regexp-escape-function-in-javascript
        function regexpEscape(s) {
            return s.replace(/[-/\^$*+?.()|[]{}]/g, '\$&');
        }
    
        // date from string and array of format strings
        function makeDateFromStringAndArray(config) {
            var tempConfig,
                bestMoment,
    
                scoreToBeat,
                i,
                currentScore;
    
            if (config._f.length === 0) {
                config._pf.invalidFormat = true;
                config._d = new Date(NaN);
                return;
            }
    
            for (i = 0; i < config._f.length; i++) {
                currentScore = 0;
                tempConfig = extend({}, config);
                tempConfig._pf = defaultParsingFlags();
                tempConfig._f = config._f[i];
                makeDateFromStringAndFormat(tempConfig);
    
                if (!isValid(tempConfig)) {
                    continue;
                }
    
                // if there is any input that was not parsed add a penalty for that format
                currentScore += tempConfig._pf.charsLeftOver;
    
                //or tokens
                currentScore += tempConfig._pf.unusedTokens.length * 10;
    
                tempConfig._pf.score = currentScore;
    
                if (scoreToBeat == null || currentScore < scoreToBeat) {
                    scoreToBeat = currentScore;
                    bestMoment = tempConfig;
                }
            }
    
            extend(config, bestMoment || tempConfig);
        }
    
        // date from iso format
        function makeDateFromString(config) {
            var i, l,
                string = config._i,
                match = isoRegex.exec(string);
    
            if (match) {
                config._pf.iso = true;
                for (i = 0, l = isoDates.length; i < l; i++) {
                    if (isoDates[i][1].exec(string)) {
                        // match[5] should be "T" or undefined
                        config._f = isoDates[i][0] + (match[6] || " ");
                        break;
                    }
                }
                for (i = 0, l = isoTimes.length; i < l; i++) {
                    if (isoTimes[i][1].exec(string)) {
                        config._f += isoTimes[i][0];
                        break;
                    }
                }
                if (string.match(parseTokenTimezone)) {
                    config._f += "Z";
                }
                makeDateFromStringAndFormat(config);
            }
            else {
                config._d = new Date(string);
            }
        }
    
        function makeDateFromInput(config) {
            var input = config._i,
                matched = aspNetJsonRegex.exec(input);
    
            if (input === undefined) {
                config._d = new Date();
            } else if (matched) {
                config._d = new Date(+matched[1]);
            } else if (typeof input === 'string') {
                makeDateFromString(config);
            } else if (isArray(input)) {
                config._a = input.slice(0);
                dateFromConfig(config);
            } else if (isDate(input)) {
                config._d = new Date(+input);
            } else if (typeof(input) === 'object') {
                dateFromObject(config);
            } else {
                config._d = new Date(input);
            }
        }
    
        function makeDate(y, m, d, h, M, s, ms) {
            //can't just apply() to create a date:
            //http://stackoverflow.com/questions/181348/instantiating-a-javascript-object-by-calling-prototype-constructor-apply
            var date = new Date(y, m, d, h, M, s, ms);
    
            //the date constructor doesn't accept years < 1970
            if (y < 1970) {
                date.setFullYear(y);
            }
            return date;
        }
    
        function makeUTCDate(y) {
            var date = new Date(Date.UTC.apply(null, arguments));
            if (y < 1970) {
                date.setUTCFullYear(y);
            }
            return date;
        }
    
        function parseWeekday(input, language) {
            if (typeof input === 'string') {
                if (!isNaN(input)) {
                    input = parseInt(input, 10);
                }
                else {
                    input = language.weekdaysParse(input);
                    if (typeof input !== 'number') {
                        return null;
                    }
                }
            }
            return input;
        }
    
        /************************************
            Relative Time
        ************************************/
    
    
        // helper function for moment.fn.from, moment.fn.fromNow, and moment.duration.fn.humanize
        function substituteTimeAgo(string, number, withoutSuffix, isFuture, lang) {
            return lang.relativeTime(number || 1, !!withoutSuffix, string, isFuture);
        }
    
        function relativeTime(milliseconds, withoutSuffix, lang) {
            var seconds = round(Math.abs(milliseconds) / 1000),
                minutes = round(seconds / 60),
                hours = round(minutes / 60),
                days = round(hours / 24),
                years = round(days / 365),
                args = seconds < 45 && ['s', seconds] ||
                    minutes === 1 && ['m'] ||
                    minutes < 45 && ['mm', minutes] ||
                    hours === 1 && ['h'] ||
                    hours < 22 && ['hh', hours] ||
                    days === 1 && ['d'] ||
                    days <= 25 && ['dd', days] ||
                    days <= 45 && ['M'] ||
                    days < 345 && ['MM', round(days / 30)] ||
                    years === 1 && ['y'] || ['yy', years];
            args[2] = withoutSuffix;
            args[3] = milliseconds > 0;
            args[4] = lang;
            return substituteTimeAgo.apply({}, args);
        }
    
    
        /************************************
            Week of Year
        ************************************/
    
    
        // firstDayOfWeek       0 = sun, 6 = sat
        //                      the day of the week that starts the week
        //                      (usually sunday or monday)
        // firstDayOfWeekOfYear 0 = sun, 6 = sat
        //                      the first week is the week that contains the first
        //                      of this day of the week
        //                      (eg. ISO weeks use thursday (4))
        function weekOfYear(mom, firstDayOfWeek, firstDayOfWeekOfYear) {
            var end = firstDayOfWeekOfYear - firstDayOfWeek,
                daysToDayOfWeek = firstDayOfWeekOfYear - mom.day(),
                adjustedMoment;
    
    
            if (daysToDayOfWeek > end) {
                daysToDayOfWeek -= 7;
            }
    
            if (daysToDayOfWeek < end - 7) {
                daysToDayOfWeek += 7;
            }
    
            adjustedMoment = moment(mom).add('d', daysToDayOfWeek);
            return {
                week: Math.ceil(adjustedMoment.dayOfYear() / 7),
                year: adjustedMoment.year()
            };
        }
    
        //http://en.wikipedia.org/wiki/ISO_week_date#Calculating_a_date_given_the_year.2C_week_number_and_weekday
        function dayOfYearFromWeeks(year, week, weekday, firstDayOfWeekOfYear, firstDayOfWeek) {
            var d = makeUTCDate(year, 0, 1).getUTCDay(), daysToAdd, dayOfYear;
    
            weekday = weekday != null ? weekday : firstDayOfWeek;
            daysToAdd = firstDayOfWeek - d + (d > firstDayOfWeekOfYear ? 7 : 0) - (d < firstDayOfWeek ? 7 : 0);
            dayOfYear = 7 * (week - 1) + (weekday - firstDayOfWeek) + daysToAdd + 1;
    
            return {
                year: dayOfYear > 0 ? year : year - 1,
                dayOfYear: dayOfYear > 0 ?  dayOfYear : daysInYear(year - 1) + dayOfYear
            };
        }
    
        /************************************
            Top Level Functions
        ************************************/
    
        function makeMoment(config) {
            var input = config._i,
                format = config._f;
    
            if (input === null) {
                return moment.invalid({nullInput: true});
            }
    
            if (typeof input === 'string') {
                config._i = input = getLangDefinition().preparse(input);
            }
    
            if (moment.isMoment(input)) {
                config = cloneMoment(input);
    
                config._d = new Date(+input._d);
            } else if (format) {
                if (isArray(format)) {
                    makeDateFromStringAndArray(config);
                } else {
                    makeDateFromStringAndFormat(config);
                }
            } else {
                makeDateFromInput(config);
            }
    
            return new Moment(config);
        }
    
        moment = function (input, format, lang, strict) {
            var c;
    
            if (typeof(lang) === "boolean") {
                strict = lang;
                lang = undefined;
            }
            // object construction must be done this way.
            // https://github.com/moment/moment/issues/1423
            c = {};
            c._isAMomentObject = true;
            c._i = input;
            c._f = format;
            c._l = lang;
            c._strict = strict;
            c._isUTC = false;
            c._pf = defaultParsingFlags();
    
            return makeMoment(c);
        };
    
        // creating with utc
        moment.utc = function (input, format, lang, strict) {
            var c;
    
            if (typeof(lang) === "boolean") {
                strict = lang;
                lang = undefined;
            }
            // object construction must be done this way.
            // https://github.com/moment/moment/issues/1423
            c = {};
            c._isAMomentObject = true;
            c._useUTC = true;
            c._isUTC = true;
            c._l = lang;
            c._i = input;
            c._f = format;
            c._strict = strict;
            c._pf = defaultParsingFlags();
    
            return makeMoment(c).utc();
        };
    
        // creating with unix timestamp (in seconds)
        moment.unix = function (input) {
            return moment(input * 1000);
        };
    
        // duration
        moment.duration = function (input, key) {
            var duration = input,
                // matching against regexp is expensive, do it on demand
                match = null,
                sign,
                ret,
                parseIso;
    
            if (moment.isDuration(input)) {
                duration = {
                    ms: input._milliseconds,
                    d: input._days,
                    M: input._months
                };
            } else if (typeof input === 'number') {
                duration = {};
                if (key) {
                    duration[key] = input;
                } else {
                    duration.milliseconds = input;
                }
            } else if (!!(match = aspNetTimeSpanJsonRegex.exec(input))) {
                sign = (match[1] === "-") ? -1 : 1;
                duration = {
                    y: 0,
                    d: toInt(match[DATE]) * sign,
                    h: toInt(match[HOUR]) * sign,
                    m: toInt(match[MINUTE]) * sign,
                    s: toInt(match[SECOND]) * sign,
                    ms: toInt(match[MILLISECOND]) * sign
                };
            } else if (!!(match = isoDurationRegex.exec(input))) {
                sign = (match[1] === "-") ? -1 : 1;
                parseIso = function (inp) {
                    // We'd normally use ~~inp for this, but unfortunately it also
                    // converts floats to ints.
                    // inp may be undefined, so careful calling replace on it.
                    var res = inp && parseFloat(inp.replace(',', '.'));
                    // apply sign while we're at it
                    return (isNaN(res) ? 0 : res) * sign;
                };
                duration = {
                    y: parseIso(match[2]),
                    M: parseIso(match[3]),
                    d: parseIso(match[4]),
                    h: parseIso(match[5]),
                    m: parseIso(match[6]),
                    s: parseIso(match[7]),
                    w: parseIso(match[8])
                };
            }
    
            ret = new Duration(duration);
    
            if (moment.isDuration(input) && input.hasOwnProperty('_lang')) {
                ret._lang = input._lang;
            }
    
            return ret;
        };
    
        // version number
        moment.version = VERSION;
    
        // default format
        moment.defaultFormat = isoFormat;
    
        // This function will be called whenever a moment is mutated.
        // It is intended to keep the offset in sync with the timezone.
        moment.updateOffset = function () {};
    
        // This function will load languages and then set the global language.  If
        // no arguments are passed in, it will simply return the current global
        // language key.
        moment.lang = function (key, values) {
            var r;
            if (!key) {
                return moment.fn._lang._abbr;
            }
            if (values) {
                loadLang(normalizeLanguage(key), values);
            } else if (values === null) {
                unloadLang(key);
                key = 'en';
            } else if (!languages[key]) {
                getLangDefinition(key);
            }
            r = moment.duration.fn._lang = moment.fn._lang = getLangDefinition(key);
            return r._abbr;
        };
    
        // returns language data
        moment.langData = function (key) {
            if (key && key._lang && key._lang._abbr) {
                key = key._lang._abbr;
            }
            return getLangDefinition(key);
        };
    
        // compare moment object
        moment.isMoment = function (obj) {
            return obj instanceof Moment ||
                (obj != null &&  obj.hasOwnProperty('_isAMomentObject'));
        };
    
        // for typechecking Duration objects
        moment.isDuration = function (obj) {
            return obj instanceof Duration;
        };
    
        for (i = lists.length - 1; i >= 0; --i) {
            makeList(lists[i]);
        }
    
        moment.normalizeUnits = function (units) {
            return normalizeUnits(units);
        };
    
        moment.invalid = function (flags) {
            var m = moment.utc(NaN);
            if (flags != null) {
                extend(m._pf, flags);
            }
            else {
                m._pf.userInvalidated = true;
            }
    
            return m;
        };
    
        moment.parseZone = function (input) {
            return moment(input).parseZone();
        };
    
        /************************************
            Moment Prototype
        ************************************/
    
    
        extend(moment.fn = Moment.prototype, {
    
            clone : function () {
                return moment(this);
            },
    
            valueOf : function () {
                return +this._d + ((this._offset || 0) * 60000);
            },
    
            unix : function () {
                return Math.floor(+this / 1000);
            },
    
            toString : function () {
                return this.clone().lang('en').format("ddd MMM DD YYYY HH:mm:ss [GMT]ZZ");
            },
    
            toDate : function () {
                return this._offset ? new Date(+this) : this._d;
            },
    
            toISOString : function () {
                var m = moment(this).local();
              
                if (0 < m.year() && m.year() <= 9999) {
                    return formatMoment(m, 'YYYY-MM-DD[T]HH:mm:ss.SSS[Z]');
                } else {
                    return formatMoment(m, 'YYYYYY-MM-DD[T]HH:mm:ss.SSS[Z]');
                }
            },
    
            toArray : function () {
                var m = this;
                return [
                    m.year(),
                    m.month(),
                    m.date(),
                    m.hours(),
                    m.minutes(),
                    m.seconds(),
                    m.milliseconds()
                ];
            },
    
            isValid : function () {
                return isValid(this);
            },
    
            isDSTShifted : function () {
    
                if (this._a) {
                    return this.isValid() && compareArrays(this._a, (this._isUTC ? moment.utc(this._a) : moment(this._a)).toArray()) > 0;
                }
    
                return false;
            },
    
            parsingFlags : function () {
                return extend({}, this._pf);
            },
    
            invalidAt: function () {
                return this._pf.overflow;
            },
    
            utc : function () {
                return this.zone(0);
            },
    
            local : function () {
                this.zone(0);
                this._isUTC = false;
                return this;
            },
    
            format : function (inputString) {
                var output = formatMoment(this, inputString || moment.defaultFormat);
                return this.lang().postformat(output);
            },
    
            add : function (input, val) {
                var dur;
                // switch args to support add('s', 1) and add(1, 's')
                if (typeof input === 'string') {
                    dur = moment.duration(+val, input);
                } else {
                    dur = moment.duration(input, val);
                }
                addOrSubtractDurationFromMoment(this, dur, 1);
                return this;
            },
    
            subtract : function (input, val) {
                var dur;
                // switch args to support subtract('s', 1) and subtract(1, 's')
                if (typeof input === 'string') {
                    dur = moment.duration(+val, input);
                } else {
                    dur = moment.duration(input, val);
                }
                addOrSubtractDurationFromMoment(this, dur, -1);
                return this;
            },
    
            diff : function (input, units, asFloat) {
                var that = makeAs(input, this),
                    zoneDiff = (this.zone() - that.zone()) * 6e4,
                    diff, output;
    
                units = normalizeUnits(units);
    
                if (units === 'year' || units === 'month') {
                    // average number of days in the months in the given dates
                    diff = (this.daysInMonth() + that.daysInMonth()) * 432e5; // 24 * 60 * 60 * 1000 / 2
                    // difference in months
                    output = ((this.year() - that.year()) * 12) + (this.month() - that.month());
                    // adjust by taking difference in days, average number of days
                    // and dst in the given months.
                    output += ((this - moment(this).startOf('month')) -
                            (that - moment(that).startOf('month'))) / diff;
                    // same as above but with zones, to negate all dst
                    output -= ((this.zone() - moment(this).startOf('month').zone()) -
                            (that.zone() - moment(that).startOf('month').zone())) * 6e4 / diff;
                    if (units === 'year') {
                        output = output / 12;
                    }
                } else {
                    diff = (this - that);
                    output = units === 'second' ? diff / 1e3 : // 1000
                        units === 'minute' ? diff / 6e4 : // 1000 * 60
                        units === 'hour' ? diff / 36e5 : // 1000 * 60 * 60
                        units === 'day' ? (diff - zoneDiff) / 864e5 : // 1000 * 60 * 60 * 24, negate dst
                        units === 'week' ? (diff - zoneDiff) / 6048e5 : // 1000 * 60 * 60 * 24 * 7, negate dst
                        diff;
                }
                return asFloat ? output : absRound(output);
            },
    
            from : function (time, withoutSuffix) {
                return moment.duration(this.diff(time)).lang(this.lang()._abbr).humanize(!withoutSuffix);
            },
    
            fromNow : function (withoutSuffix) {
                return this.from(moment(), withoutSuffix);
            },
    
            calendar : function () {
                // We want to compare the start of today, vs this.
                // Getting start-of-today depends on whether we're zone'd or not.
                var sod = makeAs(moment(), this).startOf('day'),
                    diff = this.diff(sod, 'days', true),
                    format = diff < -6 ? 'sameElse' :
                        diff < -1 ? 'lastWeek' :
                        diff < 0 ? 'lastDay' :
                        diff < 1 ? 'sameDay' :
                        diff < 2 ? 'nextDay' :
                        diff < 7 ? 'nextWeek' : 'sameElse';
                return this.format(this.lang().calendar(format, this));
            },
    
            isLeapYear : function () {
                return isLeapYear(this.year());
            },
    
            isDST : function () {
                return (this.zone() < this.clone().month(0).zone() ||
                    this.zone() < this.clone().month(5).zone());
            },
    
            day : function (input) {
                var day = this._isUTC ? this._d.getUTCDay() : this._d.getDay();
                if (input != null) {
                    input = parseWeekday(input, this.lang());
                    return this.add({ d : input - day });
                } else {
                    return day;
                }
            },
    
            month : function (input) {
                var utc = this._isUTC ? 'UTC' : '',
                    dayOfMonth;
    
                if (input != null) {
                    if (typeof input === 'string') {
                        input = this.lang().monthsParse(input);
                        if (typeof input !== 'number') {
                            return this;
                        }
                    }
    
                    dayOfMonth = this.date();
                    this.date(1);
                    this._d['set' + utc + 'Month'](input);
                    this.date(Math.min(dayOfMonth, this.daysInMonth()));
    
                    moment.updateOffset(this);
                    return this;
                } else {
                    return this._d['get' + utc + 'Month']();
                }
            },
    
            startOf: function (units) {
                units = normalizeUnits(units);
                // the following switch intentionally omits break keywords
                // to utilize falling through the cases.
                switch (units) {
                case 'year':
                    this.month(0);
                    /* falls through */
                case 'month':
                    this.date(1);
                    /* falls through */
                case 'week':
                case 'isoWeek':
                case 'day':
                    this.hours(0);
                    /* falls through */
                case 'hour':
                    this.minutes(0);
                    /* falls through */
                case 'minute':
                    this.seconds(0);
                    /* falls through */
                case 'second':
                    this.milliseconds(0);
                    /* falls through */
                }
    
                // weeks are a special case
                if (units === 'week') {
                    this.weekday(0);
                } else if (units === 'isoWeek') {
                    this.isoWeekday(1);
                }
    
                return this;
            },
    
            endOf: function (units) {
                units = normalizeUnits(units);
                return this.startOf(units).add((units === 'isoWeek' ? 'week' : units), 1).subtract('ms', 1);
            },
    
            isAfter: function (input, units) {
                units = typeof units !== 'undefined' ? units : 'millisecond';
                return +this.clone().startOf(units) > +moment(input).startOf(units);
            },
    
            isBefore: function (input, units) {
                units = typeof units !== 'undefined' ? units : 'millisecond';
                return +this.clone().startOf(units) < +moment(input).startOf(units);
            },
    
            isSame: function (input, units) {
                units = units || 'ms';
                return +this.clone().startOf(units) === +makeAs(input, this).startOf(units);
            },
    
            min: function (other) {
                other = moment.apply(null, arguments);
                return other < this ? this : other;
            },
    
            max: function (other) {
                other = moment.apply(null, arguments);
                return other > this ? this : other;
            },
    
            zone : function (input) {
                var offset = this._offset || 0;
                if (input != null) {
                    if (typeof input === "string") {
                        input = timezoneMinutesFromString(input);
                    }
                    if (Math.abs(input) < 16) {
                        input = input * 60;
                    }
                    this._offset = input;
                    this._isUTC = true;
                    if (offset !== input) {
                        addOrSubtractDurationFromMoment(this, moment.duration(offset - input, 'm'), 1, true);
                    }
                } else {
                    return this._isUTC ? offset : this._d.getTimezoneOffset();
                }
                return this;
            },
    
            zoneAbbr : function () {
                return this._isUTC ? "UTC" : "";
            },
    
            zoneName : function () {
                return this._isUTC ? "Coordinated Universal Time" : "";
            },
    
            parseZone : function () {
                if (this._tzm) {
                    this.zone(this._tzm);
                } else if (typeof this._i === 'string') {
                    this.zone(this._i);
                }
                return this;
            },
    
            hasAlignedHourOffset : function (input) {
                if (!input) {
                    input = 0;
                }
                else {
                    input = moment(input).zone();
                }
    
                return (this.zone() - input) % 60 === 0;
            },
    
            daysInMonth : function () {
                return daysInMonth(this.year(), this.month());
            },
    
            dayOfYear : function (input) {
                var dayOfYear = round((moment(this).startOf('day') - moment(this).startOf('year')) / 864e5) + 1;
                return input == null ? dayOfYear : this.add("d", (input - dayOfYear));
            },
    
            quarter : function () {
                return Math.ceil((this.month() + 1.0) / 3.0);
            },
    
            weekYear : function (input) {
                var year = weekOfYear(this, this.lang()._week.dow, this.lang()._week.doy).year;
                return input == null ? year : this.add("y", (input - year));
            },
    
            isoWeekYear : function (input) {
                var year = weekOfYear(this, 1, 4).year;
                return input == null ? year : this.add("y", (input - year));
            },
    
            week : function (input) {
                var week = this.lang().week(this);
                return input == null ? week : this.add("d", (input - week) * 7);
            },
    
            isoWeek : function (input) {
                var week = weekOfYear(this, 1, 4).week;
                return input == null ? week : this.add("d", (input - week) * 7);
            },
    
            weekday : function (input) {
                var weekday = (this.day() + 7 - this.lang()._week.dow) % 7;
                return input == null ? weekday : this.add("d", input - weekday);
            },
    
            isoWeekday : function (input) {
                // behaves the same as moment#day except
                // as a getter, returns 7 instead of 0 (1-7 range instead of 0-6)
                // as a setter, sunday should belong to the previous week.
                return input == null ? this.day() || 7 : this.day(this.day() % 7 ? input : input - 7);
            },
    
            get : function (units) {
                units = normalizeUnits(units);
                return this[units]();
            },
    
            set : function (units, value) {
                units = normalizeUnits(units);
                if (typeof this[units] === 'function') {
                    this[units](value);
                }
                return this;
            },
    
            // If passed a language key, it will set the language for this
            // instance.  Otherwise, it will return the language configuration
            // variables for this instance.
            lang : function (key) {
                if (key === undefined) {
                    return this._lang;
                } else {
                    this._lang = getLangDefinition(key);
                    return this;
                }
            }
        });
    
        // helper for adding shortcuts
        function makeGetterAndSetter(name, key) {
            moment.fn[name] = moment.fn[name + 's'] = function (input) {
                var utc = this._isUTC ? 'UTC' : '';
                if (input != null) {
                    this._d['set' + utc + key](input);
                    moment.updateOffset(this);
                    return this;
                } else {
                    return this._d['get' + utc + key]();
                }
            };
        }
    
        // loop through and add shortcuts (Month, Date, Hours, Minutes, Seconds, Milliseconds)
        for (i = 0; i < proxyGettersAndSetters.length; i ++) {
            makeGetterAndSetter(proxyGettersAndSetters[i].toLowerCase().replace(/s$/, ''), proxyGettersAndSetters[i]);
        }
    
        // add shortcut for year (uses different syntax than the getter/setter 'year' == 'FullYear')
        makeGetterAndSetter('year', 'FullYear');
    
        // add plural methods
        moment.fn.days = moment.fn.day;
        moment.fn.months = moment.fn.month;
        moment.fn.weeks = moment.fn.week;
        moment.fn.isoWeeks = moment.fn.isoWeek;
    
        // add aliased format methods
        moment.fn.toJSON = moment.fn.toISOString;
    
        /************************************
            Duration Prototype
        ************************************/
    
    
        extend(moment.duration.fn = Duration.prototype, {
    
            _bubble : function () {
                var milliseconds = this._milliseconds,
                    days = this._days,
                    months = this._months,
                    data = this._data,
                    seconds, minutes, hours, years;
    
                // The following code bubbles up values, see the tests for
                // examples of what that means.
                data.milliseconds = milliseconds % 1000;
    
                seconds = absRound(milliseconds / 1000);
                data.seconds = seconds % 60;
    
                minutes = absRound(seconds / 60);
                data.minutes = minutes % 60;
    
                hours = absRound(minutes / 60);
                data.hours = hours % 24;
    
                days += absRound(hours / 24);
                data.days = days % 30;
    
                months += absRound(days / 30);
                data.months = months % 12;
    
                years = absRound(months / 12);
                data.years = years;
            },
    
            weeks : function () {
                return absRound(this.days() / 7);
            },
    
            valueOf : function () {
                return this._milliseconds +
                  this._days * 864e5 +
                  (this._months % 12) * 2592e6 +
                  toInt(this._months / 12) * 31536e6;
            },
    
            humanize : function (withSuffix) {
                var difference = +this,
                    output = relativeTime(difference, !withSuffix, this.lang());
    
                if (withSuffix) {
                    output = this.lang().pastFuture(difference, output);
                }
    
                return this.lang().postformat(output);
            },
    
            add : function (input, val) {
                // supports only 2.0-style add(1, 's') or add(moment)
                var dur = moment.duration(input, val);
    
                this._milliseconds += dur._milliseconds;
                this._days += dur._days;
                this._months += dur._months;
    
                this._bubble();
    
                return this;
            },
    
            subtract : function (input, val) {
                var dur = moment.duration(input, val);
    
                this._milliseconds -= dur._milliseconds;
                this._days -= dur._days;
                this._months -= dur._months;
    
                this._bubble();
    
                return this;
            },
    
            get : function (units) {
                units = normalizeUnits(units);
                return this[units.toLowerCase() + 's']();
            },
    
            as : function (units) {
                units = normalizeUnits(units);
                return this['as' + units.charAt(0).toUpperCase() + units.slice(1) + 's']();
            },
    
            lang : moment.fn.lang,
    
            toIsoString : function () {
                // inspired by https://github.com/dordille/moment-isoduration/blob/master/moment.isoduration.js
                var years = Math.abs(this.years()),
                    months = Math.abs(this.months()),
                    days = Math.abs(this.days()),
                    hours = Math.abs(this.hours()),
                    minutes = Math.abs(this.minutes()),
                    seconds = Math.abs(this.seconds() + this.milliseconds() / 1000);
    
                if (!this.asSeconds()) {
                    // this is the same as C#'s (Noda) and python (isodate)...
                    // but not other JS (goog.date)
                    return 'P0D';
                }
    
                return (this.asSeconds() < 0 ? '-' : '') +
                    'P' +
                    (years ? years + 'Y' : '') +
                    (months ? months + 'M' : '') +
                    (days ? days + 'D' : '') +
                    ((hours || minutes || seconds) ? 'T' : '') +
                    (hours ? hours + 'H' : '') +
                    (minutes ? minutes + 'M' : '') +
                    (seconds ? seconds + 'S' : '');
            }
        });
    
        function makeDurationGetter(name) {
            moment.duration.fn[name] = function () {
                return this._data[name];
            };
        }
    
        function makeDurationAsGetter(name, factor) {
            moment.duration.fn['as' + name] = function () {
                return +this / factor;
            };
        }
    
        for (i in unitMillisecondFactors) {
            if (unitMillisecondFactors.hasOwnProperty(i)) {
                makeDurationAsGetter(i, unitMillisecondFactors[i]);
                makeDurationGetter(i.toLowerCase());
            }
        }
    
        makeDurationAsGetter('Weeks', 6048e5);
        moment.duration.fn.asMonths = function () {
            return (+this - this.years() * 31536e6) / 2592e6 + this.years() * 12;
        };
    
    
        /************************************
            Default Lang
        ************************************/
    
    
        // Set default language, other languages will inherit from English.
        moment.lang('en', {
            ordinal : function (number) {
                var b = number % 10,
                    output = (toInt(number % 100 / 10) === 1) ? 'th' :
                    (b === 1) ? 'st' :
                    (b === 2) ? 'nd' :
                    (b === 3) ? 'rd' : 'th';
                return number + output;
            }
        });
    
        /* EMBED_LANGUAGES */
    
        /************************************
            Exposing Moment
        ************************************/
    
        function makeGlobal(deprecate) {
            var warned = false, local_moment = moment;
            /*global ender:false */
            if (typeof ender !== 'undefined') {
                return;
            }
            // here, `this` means `window` in the browser, or `global` on the server
            // add `moment` as a global object via a string identifier,
            // for Closure Compiler "advanced" mode
            if (deprecate) {
                global.moment = function () {
                    if (!warned && console && console.warn) {
                        warned = true;
                        console.warn(
                                "Accessing Moment through the global scope is " +
                                "deprecated, and will be removed in an upcoming " +
                                "release.");
                    }
                    return local_moment.apply(null, arguments);
                };
                extend(global.moment, local_moment);
            } else {
                global['moment'] = moment;
            }
        }
    
        // CommonJS module is defined
        if (hasModule) {
            module.exports = moment;
            makeGlobal(true);
        } else if (typeof define === "function" && define.amd) {
            define("moment", function (require, exports, module) {
                if (module.config && module.config() && module.config().noGlobal !== true) {
                    // If user provided noGlobal, he is aware of global
                    makeGlobal(module.config().noGlobal === undefined);
                }
    
                return moment;
            });
        } else {
            makeGlobal();
        }
    }).call(this);
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  • 原文地址:https://www.cnblogs.com/itjeff/p/8488372.html
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