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Editing: moment.js

//! moment.js

(function (global, factory) {
  typeof exports === "object" && typeof module !== "undefined"
    ? (module.exports = factory())
    : typeof define === "function" && define.amd
    ? define(factory)
    : (global.moment = factory());
})(this, function () {
  "use strict";

var hookCallback;

function hooks() {
    return hookCallback.apply(null, arguments);
  }

// This is done to register the method called with moment()
  // without creating circular dependencies.
  function setHookCallback(callback) {
    hookCallback = callback;
  }

function isArray(input) {
    return (
      input instanceof Array ||
      Object.prototype.toString.call(input) === "[object Array]"
    );
  }

function isObject(input) {
    // IE8 will treat undefined and null as object if it wasn't for
    // input != null
    return (
      input != null &&
      Object.prototype.toString.call(input) === "[object Object]"
    );
  }

function isUndefined(input) {
    return input === void 0;
  }

function isNumber(input) {
    return (
      typeof input === "number" ||
      Object.prototype.toString.call(input) === "[object Number]"
    );
  }

function isDate(input) {
    return (
      input instanceof Date ||
      Object.prototype.toString.call(input) === "[object Date]"
    );
  }

function map(arr, fn) {
    var res = [],
      i;
    for (i = 0; i < arr.length; ++i) {
      res.push(fn(arr[i], i));
    }
    return res;
  }

function hasOwnProp(a, b) {
    return Object.prototype.hasOwnProperty.call(a, b);
  }

function extend(a, b) {
    for (var i in b) {
      if (hasOwnProp(b, i)) {
        a[i] = b[i];
      }
    }

if (hasOwnProp(b, "toString")) {
      a.toString = b.toString;
    }

if (hasOwnProp(b, "valueOf")) {
      a.valueOf = b.valueOf;
    }

return a;
  }

function createUTC(input, format, locale, strict) {
    return createLocalOrUTC(input, format, locale, strict, true).utc();
  }

function defaultParsingFlags() {
    // We need to deep clone this object.
    return {
      empty: false,
      unusedTokens: [],
      unusedInput: [],
      overflow: -2,
      charsLeftOver: 0,
      nullInput: false,
      invalidMonth: null,
      invalidFormat: false,
      userInvalidated: false,
      iso: false,
      parsedDateParts: [],
      meridiem: null,
      rfc2822: false,
      weekdayMismatch: false,
    };
  }

function getParsingFlags(m) {
    if (m._pf == null) {
      m._pf = defaultParsingFlags();
    }
    return m._pf;
  }

var some;
  if (Array.prototype.some) {
    some = Array.prototype.some;
  } else {
    some = function (fun) {
      var t = Object(this);
      var len = t.length >>> 0;

for (var i = 0; i < len; i++) {
        if (i in t && fun.call(this, t[i], i, t)) {
          return true;
        }
      }

return false;
    };
  }

function isValid(m) {
    if (m._isValid == null) {
      var flags = getParsingFlags(m);
      var parsedParts = some.call(flags.parsedDateParts, function (i) {
        return i != null;
      });
      var isNowValid =
        !isNaN(m._d.getTime()) &&
        flags.overflow < 0 &&
        !flags.empty &&
        !flags.invalidMonth &&
        !flags.invalidWeekday &&
        !flags.weekdayMismatch &&
        !flags.nullInput &&
        !flags.invalidFormat &&
        !flags.userInvalidated &&
        (!flags.meridiem || (flags.meridiem && parsedParts));

if (m._strict) {
        isNowValid =
          isNowValid &&
          flags.charsLeftOver === 0 &&
          flags.unusedTokens.length === 0 &&
          flags.bigHour === undefined;
      }

if (Object.isFrozen == null || !Object.isFrozen(m)) {
        m._isValid = isNowValid;
      } else {
        return isNowValid;
      }
    }
    return m._isValid;
  }

function createInvalid(flags) {
    var m = createUTC(NaN);
    if (flags != null) {
      extend(getParsingFlags(m), flags);
    } else {
      getParsingFlags(m).userInvalidated = true;
    }

return m;
  }

// Plugins that add properties should also add the key here (null value),
  // so we can properly clone ourselves.
  var momentProperties = (hooks.momentProperties = []);

function copyConfig(to, from) {
    var i, prop, val;

if (!isUndefined(from._isAMomentObject)) {
      to._isAMomentObject = from._isAMomentObject;
    }
    if (!isUndefined(from._i)) {
      to._i = from._i;
    }
    if (!isUndefined(from._f)) {
      to._f = from._f;
    }
    if (!isUndefined(from._l)) {
      to._l = from._l;
    }
    if (!isUndefined(from._strict)) {
      to._strict = from._strict;
    }
    if (!isUndefined(from._tzm)) {
      to._tzm = from._tzm;
    }
    if (!isUndefined(from._isUTC)) {
      to._isUTC = from._isUTC;
    }
    if (!isUndefined(from._offset)) {
      to._offset = from._offset;
    }
    if (!isUndefined(from._pf)) {
      to._pf = getParsingFlags(from);
    }
    if (!isUndefined(from._locale)) {
      to._locale = from._locale;
    }

if (momentProperties.length > 0) {
      for (i = 0; i < momentProperties.length; i++) {
        prop = momentProperties[i];
        val = from[prop];
        if (!isUndefined(val)) {
          to[prop] = val;
        }
      }
    }

return to;
  }

var updateInProgress = false;

// Moment prototype object
  function Moment(config) {
    copyConfig(this, config);
    this._d = new Date(config._d != null ? config._d.getTime() : NaN);
    if (!this.isValid()) {
      this._d = new Date(NaN);
    }
    // Prevent infinite loop in case updateOffset creates new moment
    // objects.
    if (updateInProgress === false) {
      updateInProgress = true;
      hooks.updateOffset(this);
      updateInProgress = false;
    }
  }

function isMoment(obj) {
    return (
      obj instanceof Moment || (obj != null && obj._isAMomentObject != null)
    );
  }

function absFloor(number) {
    if (number < 0) {
      // -0 -> 0
      return Math.ceil(number) || 0;
    } else {
      return Math.floor(number);
    }
  }

function toInt(argumentForCoercion) {
    var coercedNumber = +argumentForCoercion,
      value = 0;

if (coercedNumber !== 0 && isFinite(coercedNumber)) {
      value = absFloor(coercedNumber);
    }

return value;
  }

// compare two arrays, return the number of differences
  function compareArrays(array1, array2, dontConvert) {
    var len = Math.min(array1.length, array2.length),
      lengthDiff = Math.abs(array1.length - array2.length),
      diffs = 0,
      i;
    for (i = 0; i < len; i++) {
      if (
        (dontConvert && array1[i] !== array2[i]) ||
        (!dontConvert && toInt(array1[i]) !== toInt(array2[i]))
      ) {
        diffs++;
      }
    }
    return diffs + lengthDiff;
  }

function warn(msg) {
    if (
      hooks.suppressDeprecationWarnings === false &&
      typeof console !== "undefined" &&
      console.warn
    ) {
      console.warn("Deprecation warning: " + msg);
    }
  }

function deprecate(msg, fn) {
    var firstTime = true;

return extend(function () {
      if (hooks.deprecationHandler != null) {
        hooks.deprecationHandler(null, msg);
      }
      if (firstTime) {
        var args = [];
        var arg;
        for (var i = 0; i < arguments.length; i++) {
          arg = "";
          if (typeof arguments[i] === "object") {
            arg += "\n[" + i + "] ";
            for (var key in arguments[0]) {
              arg += key + ": " + arguments[0][key] + ", ";
            }
            arg = arg.slice(0, -2); // Remove trailing comma and space
          } else {
            arg = arguments[i];
          }
          args.push(arg);
        }
        warn(
          msg +
            "\nArguments: " +
            Array.prototype.slice.call(args).join("") +
            "\n" +
            new Error().stack
        );
        firstTime = false;
      }
      return fn.apply(this, arguments);
    }, fn);
  }

var deprecations = {};

hooks.suppressDeprecationWarnings = false;
  hooks.deprecationHandler = null;

function isFunction(input) {
    return (
      input instanceof Function ||
      Object.prototype.toString.call(input) === "[object Function]"
    );
  }

function Locale(config) {
    if (config != null) {
      this.set(config);
    }
  }

var keys;

if (Object.keys) {
    keys = Object.keys;
  } else {
    keys = function (obj) {
      var i,
        res = [];
      for (i in obj) {
        if (hasOwnProp(obj, i)) {
          res.push(i);
        }
      }
      return res;
    };
  }

var defaultCalendar = {
    sameDay: "[Today at] LT",
    nextDay: "[Tomorrow at] LT",
    nextWeek: "dddd [at] LT",
    lastDay: "[Yesterday at] LT",
    lastWeek: "[Last] dddd [at] LT",
    sameElse: "L",
  };

function calendar(key, mom, now) {
    var output = this._calendar[key] || this._calendar["sameElse"];
    return isFunction(output) ? output.call(mom, now) : output;
  }

var defaultLongDateFormat = {
    LTS: "h:mm:ss A",
    LT: "h:mm A",
    L: "MM/DD/YYYY",
    LL: "MMMM D, YYYY",
    LLL: "MMMM D, YYYY h:mm A",
    LLLL: "dddd, MMMM D, YYYY h:mm A",
  };

function longDateFormat(key) {
    var format = this._longDateFormat[key],
      formatUpper = this._longDateFormat[key.toUpperCase()];

if (format || !formatUpper) {
      return format;
    }

this._longDateFormat[key] = formatUpper.replace(
      /MMMM|MM|DD|dddd/g,
      function (val) {
        return val.slice(1);
      }
    );

return this._longDateFormat[key];
  }

var defaultInvalidDate = "Invalid date";

function invalidDate() {
    return this._invalidDate;
  }

var defaultOrdinal = "%d";
  var defaultDayOfMonthOrdinalParse = /\d{1,2}/;

function ordinal(number) {
    return this._ordinal.replace("%d", number);
  }

var defaultRelativeTime = {
    future: "in %s",
    past: "%s ago",
    s: "a few seconds",
    ss: "%d seconds",
    m: "a minute",
    mm: "%d minutes",
    h: "an hour",
    hh: "%d hours",
    d: "a day",
    dd: "%d days",
    M: "a month",
    MM: "%d months",
    y: "a year",
    yy: "%d years",
  };

function relativeTime(number, withoutSuffix, string, isFuture) {
    var output = this._relativeTime[string];
    return isFunction(output)
      ? output(number, withoutSuffix, string, isFuture)
      : output.replace(/%d/i, number);
  }

function pastFuture(diff, output) {
    var format = this._relativeTime[diff > 0 ? "future" : "past"];
    return isFunction(format) ? format(output) : format.replace(/%s/i, output);
  }

var aliases = {};

function addUnitAlias(unit, shorthand) {
    var lowerCase = unit.toLowerCase();
    aliases[lowerCase] = aliases[lowerCase + "s"] = aliases[shorthand] = unit;
  }

function normalizeUnits(units) {
    return typeof units === "string"
      ? aliases[units] || aliases[units.toLowerCase()]
      : undefined;
  }

function normalizeObjectUnits(inputObject) {
    var normalizedInput = {},
      normalizedProp,
      prop;

for (prop in inputObject) {
      if (hasOwnProp(inputObject, prop)) {
        normalizedProp = normalizeUnits(prop);
        if (normalizedProp) {
          normalizedInput[normalizedProp] = inputObject[prop];
        }
      }
    }

return normalizedInput;
  }

var priorities = {};

function addUnitPriority(unit, priority) {
    priorities[unit] = priority;
  }

function zeroFill(number, targetLength, forceSign) {
    var absNumber = "" + Math.abs(number),
      zerosToFill = targetLength - absNumber.length,
      sign = number >= 0;
    return (
      (sign ? (forceSign ? "+" : "") : "-") +
      Math.pow(10, Math.max(0, zerosToFill)).toString().substr(1) +
      absNumber
    );
  }

var formattingTokens =
    /(\[[^\[]*\])|(\\)?([Hh]mm(ss)?|Mo|MM?M?M?|Do|DDDo|DD?D?D?|ddd?d?|do?|w[o|w]?|W[o|W]?|Qo?|YYYYYY|YYYYY|YYYY|YY|gg(ggg?)?|GG(GGG?)?|e|E|a|A|hh?|HH?|kk?|mm?|ss?|S{1,9}|x|X|zz?|ZZ?|.)/g;

var localFormattingTokens = /(\[[^\[]*\])|(\\)?(LTS|LT|LL?L?L?|l{1,4})/g;

var formatFunctions = {};

var formatTokenFunctions = {};

// token:    'M'
  // padded:   ['MM', 2]
  // ordinal:  'Mo'
  // callback: function () { this.month() + 1 }
  function addFormatToken(token, padded, ordinal, callback) {
    var func = callback;
    if (typeof callback === "string") {
      func = function () {
        return this[callback]();
      };
    }
    if (token) {
      formatTokenFunctions[token] = func;
    }
    if (padded) {
      formatTokenFunctions[padded[0]] = function () {
        return zeroFill(func.apply(this, arguments), padded[1], padded[2]);
      };
    }
    if (ordinal) {
      formatTokenFunctions[ordinal] = function () {
        return this.localeData().ordinal(func.apply(this, arguments), token);
      };
    }
  }

function removeFormattingTokens(input) {
    if (input.match(/\[[\s\S]/)) {
      return input.replace(/^\[|\]$/g, "");
    }
    return input.replace(/\\/g, "");
  }

function makeFormatFunction(format) {
    var array = format.match(formattingTokens),
      i,
      length;

for (i = 0, length = array.length; i < length; i++) {
      if (formatTokenFunctions[array[i]]) {
        array[i] = formatTokenFunctions[array[i]];
      } else {
        array[i] = removeFormattingTokens(array[i]);
      }
    }

return function (mom) {
      var output = "",
        i;
      for (i = 0; i < length; i++) {
        output += isFunction(array[i]) ? array[i].call(mom, format) : array[i];
      }
      return output;
    };
  }

// format date using native date object
  function formatMoment(m, format) {
    if (!m.isValid()) {
      return m.localeData().invalidDate();
    }

format = expandFormat(format, m.localeData());
    formatFunctions[format] =
      formatFunctions[format] || makeFormatFunction(format);

return formatFunctions[format](m);
  }

function expandFormat(format, locale) {
    var i = 5;

function replaceLongDateFormatTokens(input) {
      return locale.longDateFormat(input) || input;
    }

localFormattingTokens.lastIndex = 0;
    while (i >= 0 && localFormattingTokens.test(format)) {
      format = format.replace(
        localFormattingTokens,
        replaceLongDateFormatTokens
      );
      localFormattingTokens.lastIndex = 0;
      i -= 1;
    }

return format;
  }

var matchUnsigned = /\d+/; //       0 - inf
  var matchSigned = /[+-]?\d+/; //    -inf - inf

var matchOffset = /Z|[+-]\d\d:?\d\d/gi; // +00:00 -00:00 +0000 -0000 or Z
  var matchShortOffset = /Z|[+-]\d\d(?::?\d\d)?/gi; // +00 -00 +00:00 -00:00 +0000 -0000 or Z

var matchTimestamp = /[+-]?\d+(\.\d{1,3})?/; // 123456789 123456789.123

// any word (or two) characters or numbers including two/three word month in arabic.
  // includes scottish gaelic two word and hyphenated months
  var matchWord =
    /[0-9]{0,256}['a-z\u00A0-\u05FF\u0700-\uD7FF\uF900-\uFDCF\uFDF0-\uFF07\uFF10-\uFFEF]{1,256}|[\u0600-\u06FF\/]{1,256}(\s*?[\u0600-\u06FF]{1,256}){1,2}/i;

var regexes = {};

function addRegexToken(token, regex, strictRegex) {
    regexes[token] = isFunction(regex)
      ? regex
      : function (isStrict, localeData) {
          return isStrict && strictRegex ? strictRegex : regex;
        };
  }

function getParseRegexForToken(token, config) {
    if (!hasOwnProp(regexes, token)) {
      return new RegExp(unescapeFormat(token));
    }

return regexes[token](config._strict, config._locale);
  }

// Code from http://stackoverflow.com/questions/3561493/is-there-a-regexp-escape-function-in-javascript
  function unescapeFormat(s) {
    return regexEscape(
      s
        .replace("\\", "")
        .replace(
          /\\(\[)|\\(\])|\[([^\]\[]*)\]|\\(.)/g,
          function (matched, p1, p2, p3, p4) {
            return p1 || p2 || p3 || p4;
          }
        )
    );
  }

function regexEscape(s) {
    return s.replace(/[-\/\\^$*+?.()|[\]{}]/g, "\\$&");
  }

var tokens = {};

function addTimeToArrayFromToken(token, input, config) {
    if (input != null && hasOwnProp(tokens, token)) {
      tokens[token](input, config._a, config, token);
    }
  }

var YEAR = 0;
  var MONTH = 1;
  var DATE = 2;
  var HOUR = 3;
  var MINUTE = 4;
  var SECOND = 5;
  var MILLISECOND = 6;
  var WEEK = 7;
  var WEEKDAY = 8;

// FORMATTING

addFormatToken("Y", 0, 0, function () {
    var y = this.year();
    return y <= 9999 ? "" + y : "+" + y;
  });

addFormatToken(0, ["YY", 2], 0, function () {
    return this.year() % 100;
  });

addFormatToken(0, ["YYYY", 4], 0, "year");
  addFormatToken(0, ["YYYYY", 5], 0, "year");
  addFormatToken(0, ["YYYYYY", 6, true], 0, "year");

// ALIASES

addUnitAlias("year", "y");

// PRIORITIES

addUnitPriority("year", 1);

// PARSING

addRegexToken("Y", matchSigned);
  addRegexToken("YY", match1to2, match2);
  addRegexToken("YYYY", match1to4, match4);
  addRegexToken("YYYYY", match1to6, match6);
  addRegexToken("YYYYYY", match1to6, match6);

addParseToken(["YYYYY", "YYYYYY"], YEAR);
  addParseToken("YYYY", function (input, array) {
    array[YEAR] =
      input.length === 2 ? hooks.parseTwoDigitYear(input) : toInt(input);
  });
  addParseToken("YY", function (input, array) {
    array[YEAR] = hooks.parseTwoDigitYear(input);
  });
  addParseToken("Y", function (input, array) {
    array[YEAR] = parseInt(input, 10);
  });

// HELPERS

function daysInYear(year) {
    return isLeapYear(year) ? 366 : 365;
  }

function isLeapYear(year) {
    return (year % 4 === 0 && year % 100 !== 0) || year % 400 === 0;
  }

// HOOKS

hooks.parseTwoDigitYear = function (input) {
    return toInt(input) + (toInt(input) > 68 ? 1900 : 2000);
  };

// MOMENTS

var getSetYear = makeGetSet("FullYear", true);

function getIsLeapYear() {
    return isLeapYear(this.year());
  }

function get(mom, unit) {
    return mom.isValid()
      ? mom._d["get" + (mom._isUTC ? "UTC" : "") + unit]()
      : NaN;
  }

function set$1(mom, unit, value) {
    if (mom.isValid() && !isNaN(value)) {
      if (
        unit === "FullYear" &&
        isLeapYear(mom.year()) &&
        mom.month() === 1 &&
        mom.date() === 29
      ) {
        mom._d["set" + (mom._isUTC ? "UTC" : "") + unit](
          value,
          mom.month(),
          daysInMonth(value, mom.month())
        );
      } else {
        mom._d["set" + (mom._isUTC ? "UTC" : "") + unit](value);
      }
    }
  }

// MOMENTS

function stringGet(units) {
    units = normalizeUnits(units);
    if (isFunction(this[units])) {
      return this[units]();
    }
    return this;
  }

function mod(n, x) {
    return ((n % x) + x) % x;
  }

var indexOf;

if (Array.prototype.indexOf) {
    indexOf = Array.prototype.indexOf;
  } else {
    indexOf = function (o) {
      // I know
      var i;
      for (i = 0; i < this.length; ++i) {
        if (this[i] === o) {
          return i;
        }
      }
      return -1;
    };
  }

function daysInMonth(year, month) {
    if (isNaN(year) || isNaN(month)) {
      return NaN;
    }
    var modMonth = mod(month, 12);
    year += (month - modMonth) / 12;
    return modMonth === 1
      ? isLeapYear(year)
        ? 29
        : 28
      : 31 - ((modMonth % 7) % 2);
  }

// FORMATTING

addFormatToken("M", ["MM", 2], "Mo", function () {
    return this.month() + 1;
  });

addFormatToken("MMM", 0, 0, function (format) {
    return this.localeData().monthsShort(this, format);
  });

addFormatToken("MMMM", 0, 0, function (format) {
    return this.localeData().months(this, format);
  });

// ALIASES

addUnitAlias("month", "M");

// PRIORITY

addUnitPriority("month", 8);

// PARSING

addRegexToken("M", match1to2);
  addRegexToken("MM", match1to2, match2);
  addRegexToken("MMM", function (isStrict, locale) {
    return locale.monthsShortRegex(isStrict);
  });
  addRegexToken("MMMM", function (isStrict, locale) {
    return locale.monthsRegex(isStrict);
  });

addParseToken(["M", "MM"], function (input, array) {
    array[MONTH] = toInt(input) - 1;
  });

addParseToken(["MMM", "MMMM"], function (input, array, config, token) {
    var month = config._locale.monthsParse(input, token, config._strict);
    // if we didn't find a month name, mark the date as invalid.
    if (month != null) {
      array[MONTH] = month;
    } else {
      getParsingFlags(config).invalidMonth = input;
    }
  });

// LOCALES

var MONTHS_IN_FORMAT = /D[oD]?(\[[^\[\]]*\]|\s)+MMMM?/;
  var defaultLocaleMonths =
    "January_February_March_April_May_June_July_August_September_October_November_December".split(
      "_"
    );
  function localeMonths(m, format) {
    if (!m) {
      return isArray(this._months) ? this._months : this._months["standalone"];
    }
    return isArray(this._months)
      ? this._months[m.month()]
      : this._months[
          (this._months.isFormat || MONTHS_IN_FORMAT).test(format)
            ? "format"
            : "standalone"
        ][m.month()];
  }

var defaultLocaleMonthsShort =
    "Jan_Feb_Mar_Apr_May_Jun_Jul_Aug_Sep_Oct_Nov_Dec".split("_");
  function localeMonthsShort(m, format) {
    if (!m) {
      return isArray(this._monthsShort)
        ? this._monthsShort
        : this._monthsShort["standalone"];
    }
    return isArray(this._monthsShort)
      ? this._monthsShort[m.month()]
      : this._monthsShort[
          MONTHS_IN_FORMAT.test(format) ? "format" : "standalone"
        ][m.month()];
  }

function handleStrictParse(monthName, format, strict) {
    var i,
      ii,
      mom,
      llc = monthName.toLocaleLowerCase();
    if (!this._monthsParse) {
      // this is not used
      this._monthsParse = [];
      this._longMonthsParse = [];
      this._shortMonthsParse = [];
      for (i = 0; i < 12; ++i) {
        mom = createUTC([2000, i]);
        this._shortMonthsParse[i] = this.monthsShort(
          mom,
          ""
        ).toLocaleLowerCase();
        this._longMonthsParse[i] = this.months(mom, "").toLocaleLowerCase();
      }
    }

if (strict) {
      if (format === "MMM") {
        ii = indexOf.call(this._shortMonthsParse, llc);
        return ii !== -1 ? ii : null;
      } else {
        ii = indexOf.call(this._longMonthsParse, llc);
        return ii !== -1 ? ii : null;
      }
    } else {
      if (format === "MMM") {
        ii = indexOf.call(this._shortMonthsParse, llc);
        if (ii !== -1) {
          return ii;
        }
        ii = indexOf.call(this._longMonthsParse, llc);
        return ii !== -1 ? ii : null;
      } else {
        ii = indexOf.call(this._longMonthsParse, llc);
        if (ii !== -1) {
          return ii;
        }
        ii = indexOf.call(this._shortMonthsParse, llc);
        return ii !== -1 ? ii : null;
      }
    }
  }

function localeMonthsParse(monthName, format, strict) {
    var i, mom, regex;

if (this._monthsParseExact) {
      return handleStrictParse.call(this, monthName, format, strict);
    }

if (!this._monthsParse) {
      this._monthsParse = [];
      this._longMonthsParse = [];
      this._shortMonthsParse = [];
    }

// TODO: add sorting
    // Sorting makes sure if one month (or abbr) is a prefix of another
    // see sorting in computeMonthsParse
    for (i = 0; i < 12; i++) {
      // make the regex if we don't have it already
      mom = createUTC([2000, i]);
      if (strict && !this._longMonthsParse[i]) {
        this._longMonthsParse[i] = new RegExp(
          "^" + this.months(mom, "").replace(".", "") + "$",
          "i"
        );
        this._shortMonthsParse[i] = new RegExp(
          "^" + this.monthsShort(mom, "").replace(".", "") + "$",
          "i"
        );
      }
      if (!strict && !this._monthsParse[i]) {
        regex = "^" + this.months(mom, "") + "|^" + this.monthsShort(mom, "");
        this._monthsParse[i] = new RegExp(regex.replace(".", ""), "i");
      }
      // test the regex
      if (
        strict &&
        format === "MMMM" &&
        this._longMonthsParse[i].test(monthName)
      ) {
        return i;
      } else if (
        strict &&
        format === "MMM" &&
        this._shortMonthsParse[i].test(monthName)
      ) {
        return i;
      } else if (!strict && this._monthsParse[i].test(monthName)) {
        return i;
      }
    }
  }

// MOMENTS

function setMonth(mom, value) {
    var dayOfMonth;

if (!mom.isValid()) {
      // No op
      return mom;
    }

if (typeof value === "string") {
      if (/^\d+$/.test(value)) {
        value = toInt(value);
      } else {
        value = mom.localeData().monthsParse(value);
        // TODO: Another silent failure?
        if (!isNumber(value)) {
          return mom;
        }
      }
    }

dayOfMonth = Math.min(mom.date(), daysInMonth(mom.year(), value));
    mom._d["set" + (mom._isUTC ? "UTC" : "") + "Month"](value, dayOfMonth);
    return mom;
  }

function getSetMonth(value) {
    if (value != null) {
      setMonth(this, value);
      hooks.updateOffset(this, true);
      return this;
    } else {
      return get(this, "Month");
    }
  }

function getDaysInMonth() {
    return daysInMonth(this.year(), this.month());
  }

function computeMonthsParse() {
    function cmpLenRev(a, b) {
      return b.length - a.length;
    }

this._monthsRegex = new RegExp("^(" + mixedPieces.join("|") + ")", "i");
    this._monthsShortRegex = this._monthsRegex;
    this._monthsStrictRegex = new RegExp(
      "^(" + longPieces.join("|") + ")",
      "i"
    );
    this._monthsShortStrictRegex = new RegExp(
      "^(" + shortPieces.join("|") + ")",
      "i"
    );
  }

function createDate(y, m, d, h, M, s, ms) {
    // can't just apply() to create a date:
    // https://stackoverflow.com/q/181348
    var date = new Date(y, m, d, h, M, s, ms);

// the date constructor remaps years 0-99 to 1900-1999
    if (y < 100 && y >= 0 && isFinite(date.getFullYear())) {
      date.setFullYear(y);
    }
    return date;
  }

function createUTCDate(y) {
    var date = new Date(Date.UTC.apply(null, arguments));

// the Date.UTC function remaps years 0-99 to 1900-1999
    if (y < 100 && y >= 0 && isFinite(date.getUTCFullYear())) {
      date.setUTCFullYear(y);
    }
    return date;
  }

// start-of-first-week - start-of-year
  function firstWeekOffset(year, dow, doy) {
    var // first-week day -- which january is always in the first week (4 for iso, 1 for other)
      fwd = 7 + dow - doy,
      // first-week day local weekday -- which local weekday is fwd
      fwdlw = (7 + createUTCDate(year, 0, fwd).getUTCDay() - dow) % 7;

return -fwdlw + fwd - 1;
  }

// https://en.wikipedia.org/wiki/ISO_week_date#Calculating_a_date_given_the_year.2C_week_number_and_weekday
  function dayOfYearFromWeeks(year, week, weekday, dow, doy) {
    var localWeekday = (7 + weekday - dow) % 7,
      weekOffset = firstWeekOffset(year, dow, doy),
      dayOfYear = 1 + 7 * (week - 1) + localWeekday + weekOffset,
      resYear,
      resDayOfYear;

if (dayOfYear <= 0) {
      resYear = year - 1;
      resDayOfYear = daysInYear(resYear) + dayOfYear;
    } else if (dayOfYear > daysInYear(year)) {
      resYear = year + 1;
      resDayOfYear = dayOfYear - daysInYear(year);
    } else {
      resYear = year;
      resDayOfYear = dayOfYear;
    }

return {
      year: resYear,
      dayOfYear: resDayOfYear,
    };
  }

function weekOfYear(mom, dow, doy) {
    var weekOffset = firstWeekOffset(mom.year(), dow, doy),
      week = Math.floor((mom.dayOfYear() - weekOffset - 1) / 7) + 1,
      resWeek,
      resYear;

if (week < 1) {
      resYear = mom.year() - 1;
      resWeek = week + weeksInYear(resYear, dow, doy);
    } else if (week > weeksInYear(mom.year(), dow, doy)) {
      resWeek = week - weeksInYear(mom.year(), dow, doy);
      resYear = mom.year() + 1;
    } else {
      resYear = mom.year();
      resWeek = week;
    }

return {
      week: resWeek,
      year: resYear,
    };
  }

function weeksInYear(year, dow, doy) {
    var weekOffset = firstWeekOffset(year, dow, doy),
      weekOffsetNext = firstWeekOffset(year + 1, dow, doy);
    return (daysInYear(year) - weekOffset + weekOffsetNext) / 7;
  }

// FORMATTING

addFormatToken("w", ["ww", 2], "wo", "week");
  addFormatToken("W", ["WW", 2], "Wo", "isoWeek");

// ALIASES

addUnitAlias("week", "w");
  addUnitAlias("isoWeek", "W");

// PRIORITIES

addUnitPriority("week", 5);
  addUnitPriority("isoWeek", 5);

// PARSING

addRegexToken("w", match1to2);
  addRegexToken("ww", match1to2, match2);
  addRegexToken("W", match1to2);
  addRegexToken("WW", match1to2, match2);

addWeekParseToken(
    ["w", "ww", "W", "WW"],
    function (input, week, config, token) {
      week[token.substr(0, 1)] = toInt(input);
    }
  );

// HELPERS

// LOCALES

function localeWeek(mom) {
    return weekOfYear(mom, this._week.dow, this._week.doy).week;
  }

var defaultLocaleWeek = {
    dow: 0, // Sunday is the first day of the week.
    doy: 6, // The week that contains Jan 1st is the first week of the year.
  };

function localeFirstDayOfWeek() {
    return this._week.dow;
  }

function localeFirstDayOfYear() {
    return this._week.doy;
  }

// MOMENTS

function getSetWeek(input) {
    var week = this.localeData().week(this);
    return input == null ? week : this.add((input - week) * 7, "d");
  }

function getSetISOWeek(input) {
    var week = weekOfYear(this, 1, 4).week;
    return input == null ? week : this.add((input - week) * 7, "d");
  }

// FORMATTING

addFormatToken("d", 0, "do", "day");

addFormatToken("dd", 0, 0, function (format) {
    return this.localeData().weekdaysMin(this, format);
  });

addFormatToken("ddd", 0, 0, function (format) {
    return this.localeData().weekdaysShort(this, format);
  });

addFormatToken("dddd", 0, 0, function (format) {
    return this.localeData().weekdays(this, format);
  });

addFormatToken("e", 0, 0, "weekday");
  addFormatToken("E", 0, 0, "isoWeekday");

// ALIASES

addUnitAlias("day", "d");
  addUnitAlias("weekday", "e");
  addUnitAlias("isoWeekday", "E");

// PRIORITY
  addUnitPriority("day", 11);
  addUnitPriority("weekday", 11);
  addUnitPriority("isoWeekday", 11);

// PARSING

addRegexToken("d", match1to2);
  addRegexToken("e", match1to2);
  addRegexToken("E", match1to2);
  addRegexToken("dd", function (isStrict, locale) {
    return locale.weekdaysMinRegex(isStrict);
  });
  addRegexToken("ddd", function (isStrict, locale) {
    return locale.weekdaysShortRegex(isStrict);
  });
  addRegexToken("dddd", function (isStrict, locale) {
    return locale.weekdaysRegex(isStrict);
  });

addWeekParseToken(
    ["dd", "ddd", "dddd"],
    function (input, week, config, token) {
      var weekday = config._locale.weekdaysParse(input, token, config._strict);
      // if we didn't get a weekday name, mark the date as invalid
      if (weekday != null) {
        week.d = weekday;
      } else {
        getParsingFlags(config).invalidWeekday = input;
      }
    }
  );

addWeekParseToken(["d", "e", "E"], function (input, week, config, token) {
    week[token] = toInt(input);
  });

// HELPERS

function parseWeekday(input, locale) {
    if (typeof input !== "string") {
      return input;
    }

if (!isNaN(input)) {
      return parseInt(input, 10);
    }

input = locale.weekdaysParse(input);
    if (typeof input === "number") {
      return input;
    }

return null;
  }

function parseIsoWeekday(input, locale) {
    if (typeof input === "string") {
      return locale.weekdaysParse(input) % 7 || 7;
    }
    return isNaN(input) ? null : input;
  }

// LOCALES

var defaultLocaleWeekdays =
    "Sunday_Monday_Tuesday_Wednesday_Thursday_Friday_Saturday".split("_");
  function localeWeekdays(m, format) {
    if (!m) {
      return isArray(this._weekdays)
        ? this._weekdays
        : this._weekdays["standalone"];
    }
    return isArray(this._weekdays)
      ? this._weekdays[m.day()]
      : this._weekdays[
          this._weekdays.isFormat.test(format) ? "format" : "standalone"
        ][m.day()];
  }

var defaultLocaleWeekdaysShort = "Sun_Mon_Tue_Wed_Thu_Fri_Sat".split("_");
  function localeWeekdaysShort(m) {
    return m ? this._weekdaysShort[m.day()] : this._weekdaysShort;
  }

var defaultLocaleWeekdaysMin = "Su_Mo_Tu_We_Th_Fr_Sa".split("_");
  function localeWeekdaysMin(m) {
    return m ? this._weekdaysMin[m.day()] : this._weekdaysMin;
  }

function handleStrictParse$1(weekdayName, format, strict) {
    var i,
      ii,
      mom,
      llc = weekdayName.toLocaleLowerCase();
    if (!this._weekdaysParse) {
      this._weekdaysParse = [];
      this._shortWeekdaysParse = [];
      this._minWeekdaysParse = [];

for (i = 0; i < 7; ++i) {
        mom = createUTC([2000, 1]).day(i);
        this._minWeekdaysParse[i] = this.weekdaysMin(
          mom,
          ""
        ).toLocaleLowerCase();
        this._shortWeekdaysParse[i] = this.weekdaysShort(
          mom,
          ""
        ).toLocaleLowerCase();
        this._weekdaysParse[i] = this.weekdays(mom, "").toLocaleLowerCase();
      }
    }

if (strict) {
      if (format === "dddd") {
        ii = indexOf.call(this._weekdaysParse, llc);
        return ii !== -1 ? ii : null;
      } else if (format === "ddd") {
        ii = indexOf.call(this._shortWeekdaysParse, llc);
        return ii !== -1 ? ii : null;
      } else {
        ii = indexOf.call(this._minWeekdaysParse, llc);
        return ii !== -1 ? ii : null;
      }
    } else {
      if (format === "dddd") {
        ii = indexOf.call(this._weekdaysParse, llc);
        if (ii !== -1) {
          return ii;
        }
        ii = indexOf.call(this._shortWeekdaysParse, llc);
        if (ii !== -1) {
          return ii;
        }
        ii = indexOf.call(this._minWeekdaysParse, llc);
        return ii !== -1 ? ii : null;
      } else if (format === "ddd") {
        ii = indexOf.call(this._shortWeekdaysParse, llc);
        if (ii !== -1) {
          return ii;
        }
        ii = indexOf.call(this._weekdaysParse, llc);
        if (ii !== -1) {
          return ii;
        }
        ii = indexOf.call(this._minWeekdaysParse, llc);
        return ii !== -1 ? ii : null;
      } else {
        ii = indexOf.call(this._minWeekdaysParse, llc);
        if (ii !== -1) {
          return ii;
        }
        ii = indexOf.call(this._weekdaysParse, llc);
        if (ii !== -1) {
          return ii;
        }
        ii = indexOf.call(this._shortWeekdaysParse, llc);
        return ii !== -1 ? ii : null;
      }
    }
  }

function localeWeekdaysParse(weekdayName, format, strict) {
    var i, mom, regex;

if (this._weekdaysParseExact) {
      return handleStrictParse$1.call(this, weekdayName, format, strict);
    }

if (!this._weekdaysParse) {
      this._weekdaysParse = [];
      this._minWeekdaysParse = [];
      this._shortWeekdaysParse = [];
      this._fullWeekdaysParse = [];
    }

for (i = 0; i < 7; i++) {
      // make the regex if we don't have it already

mom = createUTC([2000, 1]).day(i);
      if (strict && !this._fullWeekdaysParse[i]) {
        this._fullWeekdaysParse[i] = new RegExp(
          "^" + this.weekdays(mom, "").replace(".", ".?") + "$",
          "i"
        );
        this._shortWeekdaysParse[i] = new RegExp(
          "^" + this.weekdaysShort(mom, "").replace(".", ".?") + "$",
          "i"
        );
        this._minWeekdaysParse[i] = new RegExp(
          "^" + this.weekdaysMin(mom, "").replace(".", ".?") + "$",
          "i"
        );
      }
      if (!this._weekdaysParse[i]) {
        regex =
          "^" +
          this.weekdays(mom, "") +
          "|^" +
          this.weekdaysShort(mom, "") +
          "|^" +
          this.weekdaysMin(mom, "");
        this._weekdaysParse[i] = new RegExp(regex.replace(".", ""), "i");
      }
      // test the regex
      if (
        strict &&
        format === "dddd" &&
        this._fullWeekdaysParse[i].test(weekdayName)
      ) {
        return i;
      } else if (
        strict &&
        format === "ddd" &&
        this._shortWeekdaysParse[i].test(weekdayName)
      ) {
        return i;
      } else if (
        strict &&
        format === "dd" &&
        this._minWeekdaysParse[i].test(weekdayName)
      ) {
        return i;
      } else if (!strict && this._weekdaysParse[i].test(weekdayName)) {
        return i;
      }
    }
  }

// MOMENTS

function getSetLocaleDayOfWeek(input) {
    if (!this.isValid()) {
      return input != null ? this : NaN;
    }
    var weekday = (this.day() + 7 - this.localeData()._week.dow) % 7;
    return input == null ? weekday : this.add(input - weekday, "d");
  }

function getSetISODayOfWeek(input) {
    if (!this.isValid()) {
      return input != null ? this : NaN;
    }

// behaves the same as moment#day except
    // as a getter, returns 7 instead of 0 (1-7 range instead of 0-6)
    // as a setter, sunday should belong to the previous week.

if (input != null) {
      var weekday = parseIsoWeekday(input, this.localeData());
      return this.day(this.day() % 7 ? weekday : weekday - 7);
    } else {
      return this.day() || 7;
    }
  }

function computeWeekdaysParse() {
    function cmpLenRev(a, b) {
      return b.length - a.length;
    }

var minPieces = [],
      shortPieces = [],
      longPieces = [],
      mixedPieces = [],
      i,
      mom,
      minp,
      shortp,
      longp;
    for (i = 0; i < 7; i++) {
      // make the regex if we don't have it already
      mom = createUTC([2000, 1]).day(i);
      minp = this.weekdaysMin(mom, "");
      shortp = this.weekdaysShort(mom, "");
      longp = this.weekdays(mom, "");
      minPieces.push(minp);
      shortPieces.push(shortp);
      longPieces.push(longp);
      mixedPieces.push(minp);
      mixedPieces.push(shortp);
      mixedPieces.push(longp);
    }
    // Sorting makes sure if one weekday (or abbr) is a prefix of another it
    // will match the longer piece.
    minPieces.sort(cmpLenRev);
    shortPieces.sort(cmpLenRev);
    longPieces.sort(cmpLenRev);
    mixedPieces.sort(cmpLenRev);
    for (i = 0; i < 7; i++) {
      shortPieces[i] = regexEscape(shortPieces[i]);
      longPieces[i] = regexEscape(longPieces[i]);
      mixedPieces[i] = regexEscape(mixedPieces[i]);
    }

this._weekdaysRegex = new RegExp("^(" + mixedPieces.join("|") + ")", "i");
    this._weekdaysShortRegex = this._weekdaysRegex;
    this._weekdaysMinRegex = this._weekdaysRegex;

this._weekdaysStrictRegex = new RegExp(
      "^(" + longPieces.join("|") + ")",
      "i"
    );
    this._weekdaysShortStrictRegex = new RegExp(
      "^(" + shortPieces.join("|") + ")",
      "i"
    );
    this._weekdaysMinStrictRegex = new RegExp(
      "^(" + minPieces.join("|") + ")",
      "i"
    );
  }

// FORMATTING

function hFormat() {
    return this.hours() % 12 || 12;
  }

function kFormat() {
    return this.hours() || 24;
  }

addFormatToken("H", ["HH", 2], 0, "hour");
  addFormatToken("h", ["hh", 2], 0, hFormat);
  addFormatToken("k", ["kk", 2], 0, kFormat);

addFormatToken("hmm", 0, 0, function () {
    return "" + hFormat.apply(this) + zeroFill(this.minutes(), 2);
  });

addFormatToken("hmmss", 0, 0, function () {
    return (
      "" +
      hFormat.apply(this) +
      zeroFill(this.minutes(), 2) +
      zeroFill(this.seconds(), 2)
    );
  });

addFormatToken("Hmm", 0, 0, function () {
    return "" + this.hours() + zeroFill(this.minutes(), 2);
  });

addFormatToken("Hmmss", 0, 0, function () {
    return (
      "" +
      this.hours() +
      zeroFill(this.minutes(), 2) +
      zeroFill(this.seconds(), 2)
    );
  });

function meridiem(token, lowercase) {
    addFormatToken(token, 0, 0, function () {
      return this.localeData().meridiem(
        this.hours(),
        this.minutes(),
        lowercase
      );
    });
  }

meridiem("a", true);
  meridiem("A", false);

// ALIASES

addUnitAlias("hour", "h");

// PRIORITY
  addUnitPriority("hour", 13);

// PARSING

function matchMeridiem(isStrict, locale) {
    return locale._meridiemParse;
  }

addRegexToken("a", matchMeridiem);
  addRegexToken("A", matchMeridiem);
  addRegexToken("H", match1to2);
  addRegexToken("h", match1to2);
  addRegexToken("k", match1to2);
  addRegexToken("HH", match1to2, match2);
  addRegexToken("hh", match1to2, match2);
  addRegexToken("kk", match1to2, match2);

addRegexToken("hmm", match3to4);
  addRegexToken("hmmss", match5to6);
  addRegexToken("Hmm", match3to4);
  addRegexToken("Hmmss", match5to6);

addParseToken(["H", "HH"], HOUR);
  addParseToken(["k", "kk"], function (input, array, config) {
    var kInput = toInt(input);
    array[HOUR] = kInput === 24 ? 0 : kInput;
  });
  addParseToken(["a", "A"], function (input, array, config) {
    config._isPm = config._locale.isPM(input);
    config._meridiem = input;
  });
  addParseToken(["h", "hh"], function (input, array, config) {
    array[HOUR] = toInt(input);
    getParsingFlags(config).bigHour = true;
  });
  addParseToken("hmm", function (input, array, config) {
    var pos = input.length - 2;
    array[HOUR] = toInt(input.substr(0, pos));
    array[MINUTE] = toInt(input.substr(pos));
    getParsingFlags(config).bigHour = true;
  });
  addParseToken("hmmss", function (input, array, config) {
    var pos1 = input.length - 4;
    var pos2 = input.length - 2;
    array[HOUR] = toInt(input.substr(0, pos1));
    array[MINUTE] = toInt(input.substr(pos1, 2));
    array[SECOND] = toInt(input.substr(pos2));
    getParsingFlags(config).bigHour = true;
  });
  addParseToken("Hmm", function (input, array, config) {
    var pos = input.length - 2;
    array[HOUR] = toInt(input.substr(0, pos));
    array[MINUTE] = toInt(input.substr(pos));
  });
  addParseToken("Hmmss", function (input, array, config) {
    var pos1 = input.length - 4;
    var pos2 = input.length - 2;
    array[HOUR] = toInt(input.substr(0, pos1));
    array[MINUTE] = toInt(input.substr(pos1, 2));
    array[SECOND] = toInt(input.substr(pos2));
  });

// LOCALES

function localeIsPM(input) {
    // IE8 Quirks Mode & IE7 Standards Mode do not allow accessing strings like arrays
    // Using charAt should be more compatible.
    return (input + "").toLowerCase().charAt(0) === "p";
  }

// MOMENTS

// Setting the hour should keep the time, because the user explicitly
  // specified which hour they want. So trying to maintain the same hour (in
  // a new timezone) makes sense. Adding/subtracting hours does not follow
  // this rule.
  var getSetHour = makeGetSet("Hours", true);

var baseConfig = {
    calendar: defaultCalendar,
    longDateFormat: defaultLongDateFormat,
    invalidDate: defaultInvalidDate,
    ordinal: defaultOrdinal,
    dayOfMonthOrdinalParse: defaultDayOfMonthOrdinalParse,
    relativeTime: defaultRelativeTime,

months: defaultLocaleMonths,
    monthsShort: defaultLocaleMonthsShort,

week: defaultLocaleWeek,

weekdays: defaultLocaleWeekdays,
    weekdaysMin: defaultLocaleWeekdaysMin,
    weekdaysShort: defaultLocaleWeekdaysShort,

meridiemParse: defaultLocaleMeridiemParse,
  };

// internal storage for locale config files
  var locales = {};
  var localeFamilies = {};
  var globalLocale;

function normalizeLocale(key) {
    return key ? key.toLowerCase().replace("_", "-") : key;
  }

// pick the locale from the array
  // try ['en-au', 'en-gb'] as 'en-au', 'en-gb', 'en', as in move through the list trying each
  // substring from most specific to least, but move to the next array item if it's a more specific variant than the current root
  function chooseLocale(names) {
    var i = 0,
      j,
      next,
      locale,
      split;

while (i < names.length) {
      split = normalizeLocale(names[i]).split("-");
      j = split.length;
      next = normalizeLocale(names[i + 1]);
      next = next ? next.split("-") : null;
      while (j > 0) {
        locale = loadLocale(split.slice(0, j).join("-"));
        if (locale) {
          return locale;
        }
        if (
          next &&
          next.length >= j &&
          compareArrays(split, next, true) >= j - 1
        ) {
          //the next array item is better than a shallower substring of this one
          break;
        }
        j--;
      }
      i++;
    }
    return globalLocale;
  }

// This function will load locale and then set the global locale.  If
  // no arguments are passed in, it will simply return the current global
  // locale key.
  function getSetGlobalLocale(key, values) {
    var data;
    if (key) {
      if (isUndefined(values)) {
        data = getLocale(key);
      } else {
        data = defineLocale(key, values);
      }

if (data) {
        // moment.duration._locale = moment._locale = data;
        globalLocale = data;
      } else {
        if (typeof console !== "undefined" && console.warn) {
          //warn user if arguments are passed but the locale could not be set
          console.warn(
            "Locale " + key + " not found. Did you forget to load it?"
          );
        }
      }
    }

return globalLocale._abbr;
  }

if (localeFamilies[name]) {
        localeFamilies[name].forEach(function (x) {
          defineLocale(x.name, x.config);
        });
      }

// backwards compat for now: also set the locale
      // make sure we set the locale AFTER all child locales have been
      // created, so we won't end up with the child locale set.
      getSetGlobalLocale(name);

return locales[name];
    } else {
      // useful for testing
      delete locales[name];
      return null;
    }
  }

function updateLocale(name, config) {
    if (config != null) {
      var locale,
        tmpLocale,
        parentConfig = baseConfig;
      // MERGE
      tmpLocale = loadLocale(name);
      if (tmpLocale != null) {
        parentConfig = tmpLocale._config;
      }
      config = mergeConfigs(parentConfig, config);
      locale = new Locale(config);
      locale.parentLocale = locales[name];
      locales[name] = locale;

// backwards compat for now: also set the locale
      getSetGlobalLocale(name);
    } else {
      // pass null for config to unupdate, useful for tests
      if (locales[name] != null) {
        if (locales[name].parentLocale != null) {
          locales[name] = locales[name].parentLocale;
        } else if (locales[name] != null) {
          delete locales[name];
        }
      }
    }
    return locales[name];
  }

// returns locale data
  function getLocale(key) {
    var locale;

if (key && key._locale && key._locale._abbr) {
      key = key._locale._abbr;
    }

if (!key) {
      return globalLocale;
    }

if (!isArray(key)) {
      //short-circuit everything else
      locale = loadLocale(key);
      if (locale) {
        return locale;
      }
      key = [key];
    }

return chooseLocale(key);
  }

function listLocales() {
    return keys(locales);
  }

function checkOverflow(m) {
    var overflow;
    var a = m._a;

if (a && getParsingFlags(m).overflow === -2) {
      overflow =
        a[MONTH] < 0 || a[MONTH] > 11
          ? MONTH
          : a[DATE] < 1 || a[DATE] > daysInMonth(a[YEAR], a[MONTH])
          ? DATE
          : a[HOUR] < 0 ||
            a[HOUR] > 24 ||
            (a[HOUR] === 24 &&
              (a[MINUTE] !== 0 || a[SECOND] !== 0 || a[MILLISECOND] !== 0))
          ? HOUR
          : a[MINUTE] < 0 || a[MINUTE] > 59
          ? MINUTE
          : a[SECOND] < 0 || a[SECOND] > 59
          ? SECOND
          : a[MILLISECOND] < 0 || a[MILLISECOND] > 999
          ? MILLISECOND
          : -1;

if (
        getParsingFlags(m)._overflowDayOfYear &&
        (overflow < YEAR || overflow > DATE)
      ) {
        overflow = DATE;
      }
      if (getParsingFlags(m)._overflowWeeks && overflow === -1) {
        overflow = WEEK;
      }
      if (getParsingFlags(m)._overflowWeekday && overflow === -1) {
        overflow = WEEKDAY;
      }

getParsingFlags(m).overflow = overflow;
    }

return m;
  }

// Pick the first defined of two or three arguments.
  function defaults(a, b, c) {
    if (a != null) {
      return a;
    }
    if (b != null) {
      return b;
    }
    return c;
  }

function currentDateArray(config) {
    // hooks is actually the exported moment object
    var nowValue = new Date(hooks.now());
    if (config._useUTC) {
      return [
        nowValue.getUTCFullYear(),
        nowValue.getUTCMonth(),
        nowValue.getUTCDate(),
      ];
    }
    return [nowValue.getFullYear(), nowValue.getMonth(), nowValue.getDate()];
  }

// convert an array to a date.
  // the array should mirror the parameters below
  // note: all values past the year are optional and will default to the lowest possible value.
  // [year, month, day , hour, minute, second, millisecond]
  function configFromArray(config) {
    var i,
      date,
      input = [],
      currentDate,
      expectedWeekday,
      yearToUse;

if (config._d) {
      return;
    }

currentDate = currentDateArray(config);

//compute day of the year from weeks and weekdays
    if (config._w && config._a[DATE] == null && config._a[MONTH] == null) {
      dayOfYearFromWeekInfo(config);
    }

//if the day of the year is set, figure out what it is
    if (config._dayOfYear != null) {
      yearToUse = defaults(config._a[YEAR], currentDate[YEAR]);

if (
        config._dayOfYear > daysInYear(yearToUse) ||
        config._dayOfYear === 0
      ) {
        getParsingFlags(config)._overflowDayOfYear = true;
      }

date = createUTCDate(yearToUse, 0, config._dayOfYear);
      config._a[MONTH] = date.getUTCMonth();
      config._a[DATE] = date.getUTCDate();
    }

// Default to current date.
    // * if no year, month, day of month are given, default to today
    // * if day of month is given, default month and year
    // * if month is given, default only year
    // * if year is given, don't default anything
    for (i = 0; i < 3 && config._a[i] == null; ++i) {
      config._a[i] = input[i] = currentDate[i];
    }

// Zero out whatever was not defaulted, including time
    for (; i < 7; i++) {
      config._a[i] = input[i] =
        config._a[i] == null ? (i === 2 ? 1 : 0) : config._a[i];
    }

// Check for 24:00:00.000
    if (
      config._a[HOUR] === 24 &&
      config._a[MINUTE] === 0 &&
      config._a[SECOND] === 0 &&
      config._a[MILLISECOND] === 0
    ) {
      config._nextDay = true;
      config._a[HOUR] = 0;
    }

config._d = (config._useUTC ? createUTCDate : createDate).apply(
      null,
      input
    );
    expectedWeekday = config._useUTC
      ? config._d.getUTCDay()
      : config._d.getDay();

// Apply timezone offset from input. The actual utcOffset can be changed
    // with parseZone.
    if (config._tzm != null) {
      config._d.setUTCMinutes(config._d.getUTCMinutes() - config._tzm);
    }

if (config._nextDay) {
      config._a[HOUR] = 24;
    }

// check for mismatching day of week
    if (
      config._w &&
      typeof config._w.d !== "undefined" &&
      config._w.d !== expectedWeekday
    ) {
      getParsingFlags(config).weekdayMismatch = true;
    }
  }

function dayOfYearFromWeekInfo(config) {
    var w, weekYear, week, weekday, dow, doy, temp, weekdayOverflow;

w = config._w;
    if (w.GG != null || w.W != null || w.E != null) {
      dow = 1;
      doy = 4;

// TODO: We need to take the current isoWeekYear, but that depends on
      // how we interpret now (local, utc, fixed offset). So create
      // a now version of current config (take local/utc/offset flags, and
      // create now).
      weekYear = defaults(
        w.GG,
        config._a[YEAR],
        weekOfYear(createLocal(), 1, 4).year
      );
      week = defaults(w.W, 1);
      weekday = defaults(w.E, 1);
      if (weekday < 1 || weekday > 7) {
        weekdayOverflow = true;
      }
    } else {
      dow = config._locale._week.dow;
      doy = config._locale._week.doy;

var curWeek = weekOfYear(createLocal(), dow, doy);

weekYear = defaults(w.gg, config._a[YEAR], curWeek.year);

// Default to current week.
      week = defaults(w.w, curWeek.week);

if (w.d != null) {
        // weekday -- low day numbers are considered next week
        weekday = w.d;
        if (weekday < 0 || weekday > 6) {
          weekdayOverflow = true;
        }
      } else if (w.e != null) {
        // local weekday -- counting starts from begining of week
        weekday = w.e + dow;
        if (w.e < 0 || w.e > 6) {
          weekdayOverflow = true;
        }
      } else {
        // default to begining of week
        weekday = dow;
      }
    }
    if (week < 1 || week > weeksInYear(weekYear, dow, doy)) {
      getParsingFlags(config)._overflowWeeks = true;
    } else if (weekdayOverflow != null) {
      getParsingFlags(config)._overflowWeekday = true;
    } else {
      temp = dayOfYearFromWeeks(weekYear, week, weekday, dow, doy);
      config._a[YEAR] = temp.year;
      config._dayOfYear = temp.dayOfYear;
    }
  }

// iso 8601 regex
  // 0000-00-00 0000-W00 or 0000-W00-0 + T + 00 or 00:00 or 00:00:00 or 00:00:00.000 + +00:00 or +0000 or +00)
  var extendedIsoRegex =
    /^\s*((?:[+-]\d{6}|\d{4})-(?:\d\d-\d\d|W\d\d-\d|W\d\d|\d\d\d|\d\d))(?:(T| )(\d\d(?::\d\d(?::\d\d(?:[.,]\d+)?)?)?)([\+\-]\d\d(?::?\d\d)?|\s*Z)?)?$/;
  var basicIsoRegex =
    /^\s*((?:[+-]\d{6}|\d{4})(?:\d\d\d\d|W\d\d\d|W\d\d|\d\d\d|\d\d))(?:(T| )(\d\d(?:\d\d(?:\d\d(?:[.,]\d+)?)?)?)([\+\-]\d\d(?::?\d\d)?|\s*Z)?)?$/;

var tzRegex = /Z|[+-]\d\d(?::?\d\d)?/;

var isoDates = [
    ["YYYYYY-MM-DD", /[+-]\d{6}-\d\d-\d\d/],
    ["YYYY-MM-DD", /\d{4}-\d\d-\d\d/],
    ["GGGG-[W]WW-E", /\d{4}-W\d\d-\d/],
    ["GGGG-[W]WW", /\d{4}-W\d\d/, false],
    ["YYYY-DDD", /\d{4}-\d{3}/],
    ["YYYY-MM", /\d{4}-\d\d/, false],
    ["YYYYYYMMDD", /[+-]\d{10}/],
    ["YYYYMMDD", /\d{8}/],
    // YYYYMM is NOT allowed by the standard
    ["GGGG[W]WWE", /\d{4}W\d{3}/],
    ["GGGG[W]WW", /\d{4}W\d{2}/, false],
    ["YYYYDDD", /\d{7}/],
  ];

// iso time formats and regexes
  var isoTimes = [
    ["HH:mm:ss.SSSS", /\d\d:\d\d:\d\d\.\d+/],
    ["HH:mm:ss,SSSS", /\d\d:\d\d:\d\d,\d+/],
    ["HH:mm:ss", /\d\d:\d\d:\d\d/],
    ["HH:mm", /\d\d:\d\d/],
    ["HHmmss.SSSS", /\d\d\d\d\d\d\.\d+/],
    ["HHmmss,SSSS", /\d\d\d\d\d\d,\d+/],
    ["HHmmss", /\d\d\d\d\d\d/],
    ["HHmm", /\d\d\d\d/],
    ["HH", /\d\d/],
  ];

var aspNetJsonRegex = /^\/?Date\((\-?\d+)/i;

// date from iso format
  function configFromISO(config) {
    var i,
      l,
      string = config._i,
      match = extendedIsoRegex.exec(string) || basicIsoRegex.exec(string),
      allowTime,
      dateFormat,
      timeFormat,
      tzFormat;

if (match) {
      getParsingFlags(config).iso = true;

for (i = 0, l = isoDates.length; i < l; i++) {
        if (isoDates[i][1].exec(match[1])) {
          dateFormat = isoDates[i][0];
          allowTime = isoDates[i][2] !== false;
          break;
        }
      }
      if (dateFormat == null) {
        config._isValid = false;
        return;
      }
      if (match[3]) {
        for (i = 0, l = isoTimes.length; i < l; i++) {
          if (isoTimes[i][1].exec(match[3])) {
            // match[2] should be 'T' or space
            timeFormat = (match[2] || " ") + isoTimes[i][0];
            break;
          }
        }
        if (timeFormat == null) {
          config._isValid = false;
          return;
        }
      }
      if (!allowTime && timeFormat != null) {
        config._isValid = false;
        return;
      }
      if (match[4]) {
        if (tzRegex.exec(match[4])) {
          tzFormat = "Z";
        } else {
          config._isValid = false;
          return;
        }
      }
      config._f = dateFormat + (timeFormat || "") + (tzFormat || "");
      configFromStringAndFormat(config);
    } else {
      config._isValid = false;
    }
  }

// RFC 2822 regex: For details see https://tools.ietf.org/html/rfc2822#section-3.3
  var rfc2822 =
    /^(?:(Mon|Tue|Wed|Thu|Fri|Sat|Sun),?\s)?(\d{1,2})\s(Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)\s(\d{2,4})\s(\d\d):(\d\d)(?::(\d\d))?\s(?:(UT|GMT|[ECMP][SD]T)|([Zz])|([+-]\d{4}))$/;

function extractFromRFC2822Strings(
    yearStr,
    monthStr,
    dayStr,
    hourStr,
    minuteStr,
    secondStr
  ) {
    var result = [
      untruncateYear(yearStr),
      defaultLocaleMonthsShort.indexOf(monthStr),
      parseInt(dayStr, 10),
      parseInt(hourStr, 10),
      parseInt(minuteStr, 10),
    ];

if (secondStr) {
      result.push(parseInt(secondStr, 10));
    }

return result;
  }

function preprocessRFC2822(s) {
    // Remove comments and folding whitespace and replace multiple-spaces with a single space
    return s
      .replace(/$[^)]*$|[\n\t]/g, " ")
      .replace(/(\s\s+)/g, " ")
      .trim();
  }

var obsOffsets = {
    UT: 0,
    GMT: 0,
    EDT: -4 * 60,
    EST: -5 * 60,
    CDT: -5 * 60,
    CST: -6 * 60,
    MDT: -6 * 60,
    MST: -7 * 60,
    PDT: -7 * 60,
    PST: -8 * 60,
  };

// date and time from ref 2822 format
  function configFromRFC2822(config) {
    var match = rfc2822.exec(preprocessRFC2822(config._i));
    if (match) {
      var parsedArray = extractFromRFC2822Strings(
        match[4],
        match[3],
        match[2],
        match[5],
        match[6],
        match[7]
      );
      if (!checkWeekday(match[1], parsedArray, config)) {
        return;
      }

config._a = parsedArray;
      config._tzm = calculateOffset(match[8], match[9], match[10]);

config._d = createUTCDate.apply(null, config._a);
      config._d.setUTCMinutes(config._d.getUTCMinutes() - config._tzm);

getParsingFlags(config).rfc2822 = true;
    } else {
      config._isValid = false;
    }
  }

// date from iso format or fallback
  function configFromString(config) {
    var matched = aspNetJsonRegex.exec(config._i);

if (matched !== null) {
      config._d = new Date(+matched[1]);
      return;
    }

configFromISO(config);
    if (config._isValid === false) {
      delete config._isValid;
    } else {
      return;
    }

configFromRFC2822(config);
    if (config._isValid === false) {
      delete config._isValid;
    } else {
      return;
    }

// Final attempt, use Input Fallback
    hooks.createFromInputFallback(config);
  }

hooks.createFromInputFallback = deprecate(
    "value provided is not in a recognized RFC2822 or ISO format. moment construction falls back to js Date(), " +
      "which is not reliable across all browsers and versions. Non RFC2822/ISO date formats are " +
      "discouraged and will be removed in an upcoming major release. Please refer to " +
      "http://momentjs.com/guides/#/warnings/js-date/ for more info.",
    function (config) {
      config._d = new Date(config._i + (config._useUTC ? " UTC" : ""));
    }
  );

// constant that refers to the ISO standard
  hooks.ISO_8601 = function () {};

// constant that refers to the RFC 2822 form
  hooks.RFC_2822 = function () {};

// date from string and format string
  function configFromStringAndFormat(config) {
    // TODO: Move this to another part of the creation flow to prevent circular deps
    if (config._f === hooks.ISO_8601) {
      configFromISO(config);
      return;
    }
    if (config._f === hooks.RFC_2822) {
      configFromRFC2822(config);
      return;
    }
    config._a = [];
    getParsingFlags(config).empty = true;

// This array is used to make a Date, either with `new Date` or `Date.UTC`
    var string = "" + config._i,
      i,
      parsedInput,
      tokens,
      token,
      skipped,
      stringLength = string.length,
      totalParsedInputLength = 0;

tokens =
      expandFormat(config._f, config._locale).match(formattingTokens) || [];

for (i = 0; i < tokens.length; i++) {
      token = tokens[i];
      parsedInput = (string.match(getParseRegexForToken(token, config)) ||
        [])[0];
      // console.log('token', token, 'parsedInput', parsedInput,
      //         'regex', getParseRegexForToken(token, config));
      if (parsedInput) {
        skipped = string.substr(0, string.indexOf(parsedInput));
        if (skipped.length > 0) {
          getParsingFlags(config).unusedInput.push(skipped);
        }
        string = string.slice(string.indexOf(parsedInput) + parsedInput.length);
        totalParsedInputLength += parsedInput.length;
      }
      // don't parse if it's not a known token
      if (formatTokenFunctions[token]) {
        if (parsedInput) {
          getParsingFlags(config).empty = false;
        } else {
          getParsingFlags(config).unusedTokens.push(token);
        }
        addTimeToArrayFromToken(token, parsedInput, config);
      } else if (config._strict && !parsedInput) {
        getParsingFlags(config).unusedTokens.push(token);
      }
    }

// add remaining unparsed input length to the string
    getParsingFlags(config).charsLeftOver =
      stringLength - totalParsedInputLength;
    if (string.length > 0) {
      getParsingFlags(config).unusedInput.push(string);
    }

// clear _12h flag if hour is <= 12
    if (
      config._a[HOUR] <= 12 &&
      getParsingFlags(config).bigHour === true &&
      config._a[HOUR] > 0
    ) {
      getParsingFlags(config).bigHour = undefined;
    }

getParsingFlags(config).parsedDateParts = config._a.slice(0);
    getParsingFlags(config).meridiem = config._meridiem;
    // handle meridiem
    config._a[HOUR] = meridiemFixWrap(
      config._locale,
      config._a[HOUR],
      config._meridiem
    );

configFromArray(config);
    checkOverflow(config);
  }

function meridiemFixWrap(locale, hour, meridiem) {
    var isPm;

if (meridiem == null) {
      // nothing to do
      return hour;
    }
    if (locale.meridiemHour != null) {
      return locale.meridiemHour(hour, meridiem);
    } else if (locale.isPM != null) {
      // Fallback
      isPm = locale.isPM(meridiem);
      if (isPm && hour < 12) {
        hour += 12;
      }
      if (!isPm && hour === 12) {
        hour = 0;
      }
      return hour;
    } else {
      // this is not supposed to happen
      return hour;
    }
  }

// date from string and array of format strings
  function configFromStringAndArray(config) {
    var tempConfig, bestMoment, scoreToBeat, i, currentScore;

if (config._f.length === 0) {
      getParsingFlags(config).invalidFormat = true;
      config._d = new Date(NaN);
      return;
    }

for (i = 0; i < config._f.length; i++) {
      currentScore = 0;
      tempConfig = copyConfig({}, config);
      if (config._useUTC != null) {
        tempConfig._useUTC = config._useUTC;
      }
      tempConfig._f = config._f[i];
      configFromStringAndFormat(tempConfig);

if (!isValid(tempConfig)) {
        continue;
      }

// if there is any input that was not parsed add a penalty for that format
      currentScore += getParsingFlags(tempConfig).charsLeftOver;

//or tokens
      currentScore += getParsingFlags(tempConfig).unusedTokens.length * 10;

getParsingFlags(tempConfig).score = currentScore;

if (scoreToBeat == null || currentScore < scoreToBeat) {
        scoreToBeat = currentScore;
        bestMoment = tempConfig;
      }
    }

extend(config, bestMoment || tempConfig);
  }

function configFromObject(config) {
    if (config._d) {
      return;
    }

var i = normalizeObjectUnits(config._i);
    config._a = map(
      [
        i.year,
        i.month,
        i.day || i.date,
        i.hour,
        i.minute,
        i.second,
        i.millisecond,
      ],
      function (obj) {
        return obj && parseInt(obj, 10);
      }
    );

configFromArray(config);
  }

function createFromConfig(config) {
    var res = new Moment(checkOverflow(prepareConfig(config)));
    if (res._nextDay) {
      // Adding is smart enough around DST
      res.add(1, "d");
      res._nextDay = undefined;
    }

return res;
  }

function prepareConfig(config) {
    var input = config._i,
      format = config._f;

config._locale = config._locale || getLocale(config._l);

if (input === null || (format === undefined && input === "")) {
      return createInvalid({ nullInput: true });
    }

if (typeof input === "string") {
      config._i = input = config._locale.preparse(input);
    }

if (isMoment(input)) {
      return new Moment(checkOverflow(input));
    } else if (isDate(input)) {
      config._d = input;
    } else if (isArray(format)) {
      configFromStringAndArray(config);
    } else if (format) {
      configFromStringAndFormat(config);
    } else {
      configFromInput(config);
    }

if (!isValid(config)) {
      config._d = null;
    }

return config;
  }

function createLocalOrUTC(input, format, locale, strict, isUTC) {
    var c = {};

if (locale === true || locale === false) {
      strict = locale;
      locale = undefined;
    }

if (
      (isObject(input) && isObjectEmpty(input)) ||
      (isArray(input) && input.length === 0)
    ) {
      input = undefined;
    }
    // object construction must be done this way.
    // https://github.com/moment/moment/issues/1423
    c._isAMomentObject = true;
    c._useUTC = c._isUTC = isUTC;
    c._l = locale;
    c._i = input;
    c._f = format;
    c._strict = strict;

return createFromConfig(c);
  }

function createLocal(input, format, locale, strict) {
    return createLocalOrUTC(input, format, locale, strict, false);
  }

// Pick a moment m from moments so that m[fn](other) is true for all
  // other. This relies on the function fn to be transitive.
  //
  // moments should either be an array of moment objects or an array, whose
  // first element is an array of moment objects.
  function pickBy(fn, moments) {
    var res, i;
    if (moments.length === 1 && isArray(moments[0])) {
      moments = moments[0];
    }
    if (!moments.length) {
      return createLocal();
    }
    res = moments[0];
    for (i = 1; i < moments.length; ++i) {
      if (!moments[i].isValid() || moments[i][fn](res)) {
        res = moments[i];
      }
    }
    return res;
  }

// TODO: Use [].sort instead?
  function min() {
    var args = [].slice.call(arguments, 0);

return pickBy("isBefore", args);
  }

function max() {
    var args = [].slice.call(arguments, 0);

return pickBy("isAfter", args);
  }

var now = function () {
    return Date.now ? Date.now() : +new Date();
  };

var ordering = [
    "year",
    "quarter",
    "month",
    "week",
    "day",
    "hour",
    "minute",
    "second",
    "millisecond",
  ];

function isDurationValid(m) {
    for (var key in m) {
      if (
        !(
          indexOf.call(ordering, key) !== -1 &&
          (m[key] == null || !isNaN(m[key]))
        )
      ) {
        return false;
      }
    }

return true;
  }

function isValid$1() {
    return this._isValid;
  }

function createInvalid$1() {
    return createDuration(NaN);
  }

function Duration(duration) {
    var normalizedInput = normalizeObjectUnits(duration),
      years = normalizedInput.year || 0,
      quarters = normalizedInput.quarter || 0,
      months = normalizedInput.month || 0,
      weeks = normalizedInput.week || 0,
      days = normalizedInput.day || 0,
      hours = normalizedInput.hour || 0,
      minutes = normalizedInput.minute || 0,
      seconds = normalizedInput.second || 0,
      milliseconds = normalizedInput.millisecond || 0;

this._isValid = isDurationValid(normalizedInput);

// representation for dateAddRemove
    this._milliseconds =
      +milliseconds +
      seconds * 1e3 + // 1000
      minutes * 6e4 + // 1000 * 60
      hours * 1000 * 60 * 60; //using 1000 * 60 * 60 instead of 36e5 to avoid floating point rounding errors https://github.com/moment/moment/issues/2978
    // Because of dateAddRemove treats 24 hours as different from a
    // day when working around DST, we need to store them separately
    this._days = +days + weeks * 7;
    // It is impossible to translate months into days without knowing
    // which months you are are talking about, so we have to store
    // it separately.
    this._months = +months + quarters * 3 + years * 12;

this._data = {};

this._locale = getLocale();

this._bubble();
  }

function isDuration(obj) {
    return obj instanceof Duration;
  }

function absRound(number) {
    if (number < 0) {
      return Math.round(-1 * number) * -1;
    } else {
      return Math.round(number);
    }
  }

// FORMATTING

offset("Z", ":");
  offset("ZZ", "");

// PARSING

addRegexToken("Z", matchShortOffset);
  addRegexToken("ZZ", matchShortOffset);
  addParseToken(["Z", "ZZ"], function (input, array, config) {
    config._useUTC = true;
    config._tzm = offsetFromString(matchShortOffset, input);
  });

// HELPERS

// timezone chunker
  // '+10:00' > ['10',  '00']
  // '-1530'  > ['-15', '30']
  var chunkOffset = /([\+\-]|\d\d)/gi;

function offsetFromString(matcher, string) {
    var matches = (string || "").match(matcher);

if (matches === null) {
      return null;
    }

var chunk = matches[matches.length - 1] || [];
    var parts = (chunk + "").match(chunkOffset) || ["-", 0, 0];
    var minutes = +(parts[1] * 60) + toInt(parts[2]);

return minutes === 0 ? 0 : parts[0] === "+" ? minutes : -minutes;
  }

// Return a moment from input, that is local/utc/zone equivalent to model.
  function cloneWithOffset(input, model) {
    var res, diff;
    if (model._isUTC) {
      res = model.clone();
      diff =
        (isMoment(input) || isDate(input)
          ? input.valueOf()
          : createLocal(input).valueOf()) - res.valueOf();
      // Use low-level api, because this fn is low-level api.
      res._d.setTime(res._d.valueOf() + diff);
      hooks.updateOffset(res, false);
      return res;
    } else {
      return createLocal(input).local();
    }
  }

function getDateOffset(m) {
    // On Firefox.24 Date#getTimezoneOffset returns a floating point.
    // https://github.com/moment/moment/pull/1871
    return -Math.round(m._d.getTimezoneOffset() / 15) * 15;
  }

// HOOKS

// This function will be called whenever a moment is mutated.
  // It is intended to keep the offset in sync with the timezone.
  hooks.updateOffset = function () {};

// MOMENTS

// keepLocalTime = true means only change the timezone, without
  // affecting the local hour. So 5:31:26 +0300 --[utcOffset(2, true)]-->
  // 5:31:26 +0200 It is possible that 5:31:26 doesn't exist with offset
  // +0200, so we adjust the time as needed, to be valid.
  //
  // Keeping the time actually adds/subtracts (one hour)
  // from the actual represented time. That is why we call updateOffset
  // a second time. In case it wants us to change the offset again
  // _changeInProgress == true case, then we have to adjust, because
  // there is no such time in the given timezone.
  function getSetOffset(input, keepLocalTime, keepMinutes) {
    var offset = this._offset || 0,
      localAdjust;
    if (!this.isValid()) {
      return input != null ? this : NaN;
    }
    if (input != null) {
      if (typeof input === "string") {
        input = offsetFromString(matchShortOffset, input);
        if (input === null) {
          return this;
        }
      } else if (Math.abs(input) < 16 && !keepMinutes) {
        input = input * 60;
      }
      if (!this._isUTC && keepLocalTime) {
        localAdjust = getDateOffset(this);
      }
      this._offset = input;
      this._isUTC = true;
      if (localAdjust != null) {
        this.add(localAdjust, "m");
      }
      if (offset !== input) {
        if (!keepLocalTime || this._changeInProgress) {
          addSubtract(this, createDuration(input - offset, "m"), 1, false);
        } else if (!this._changeInProgress) {
          this._changeInProgress = true;
          hooks.updateOffset(this, true);
          this._changeInProgress = null;
        }
      }
      return this;
    } else {
      return this._isUTC ? offset : getDateOffset(this);
    }
  }

function getSetZone(input, keepLocalTime) {
    if (input != null) {
      if (typeof input !== "string") {
        input = -input;
      }

this.utcOffset(input, keepLocalTime);

return this;
    } else {
      return -this.utcOffset();
    }
  }

function setOffsetToUTC(keepLocalTime) {
    return this.utcOffset(0, keepLocalTime);
  }

function setOffsetToLocal(keepLocalTime) {
    if (this._isUTC) {
      this.utcOffset(0, keepLocalTime);
      this._isUTC = false;

if (keepLocalTime) {
        this.subtract(getDateOffset(this), "m");
      }
    }
    return this;
  }

function hasAlignedHourOffset(input) {
    if (!this.isValid()) {
      return false;
    }
    input = input ? createLocal(input).utcOffset() : 0;

return (this.utcOffset() - input) % 60 === 0;
  }

function isDaylightSavingTime() {
    return (
      this.utcOffset() > this.clone().month(0).utcOffset() ||
      this.utcOffset() > this.clone().month(5).utcOffset()
    );
  }

function isDaylightSavingTimeShifted() {
    if (!isUndefined(this._isDSTShifted)) {
      return this._isDSTShifted;
    }

var c = {};

copyConfig(c, this);
    c = prepareConfig(c);

if (c._a) {
      var other = c._isUTC ? createUTC(c._a) : createLocal(c._a);
      this._isDSTShifted =
        this.isValid() && compareArrays(c._a, other.toArray()) > 0;
    } else {
      this._isDSTShifted = false;
    }

return this._isDSTShifted;
  }

function isLocal() {
    return this.isValid() ? !this._isUTC : false;
  }

function isUtcOffset() {
    return this.isValid() ? this._isUTC : false;
  }

function isUtc() {
    return this.isValid() ? this._isUTC && this._offset === 0 : false;
  }

// ASP.NET json date format regex
  var aspNetRegex = /^(\-|\+)?(?:(\d*)[. ])?(\d+)\:(\d+)(?:\:(\d+)(\.\d*)?)?$/;

// from http://docs.closure-library.googlecode.com/git/closure_goog_date_date.js.source.html
  // somewhat more in line with 4.4.3.2 2004 spec, but allows decimal anywhere
  // and further modified to allow for strings containing both week and day
  var isoRegex =
    /^(-|\+)?P(?:([-+]?[0-9,.]*)Y)?(?:([-+]?[0-9,.]*)M)?(?:([-+]?[0-9,.]*)W)?(?:([-+]?[0-9,.]*)D)?(?:T(?:([-+]?[0-9,.]*)H)?(?:([-+]?[0-9,.]*)M)?(?:([-+]?[0-9,.]*)S)?)?$/;

function createDuration(input, key) {
    var duration = input,
      // matching against regexp is expensive, do it on demand
      match = null,
      sign,
      ret,
      diffRes;

if (isDuration(input)) {
      duration = {
        ms: input._milliseconds,
        d: input._days,
        M: input._months,
      };
    } else if (isNumber(input)) {
      duration = {};
      if (key) {
        duration[key] = input;
      } else {
        duration.milliseconds = input;
      }
    } else if (!!(match = aspNetRegex.exec(input))) {
      sign = match[1] === "-" ? -1 : 1;
      duration = {
        y: 0,
        d: toInt(match[DATE]) * sign,
        h: toInt(match[HOUR]) * sign,
        m: toInt(match[MINUTE]) * sign,
        s: toInt(match[SECOND]) * sign,
        ms: toInt(absRound(match[MILLISECOND] * 1000)) * sign, // the millisecond decimal point is included in the match
      };
    } else if (!!(match = isoRegex.exec(input))) {
      sign = match[1] === "-" ? -1 : match[1] === "+" ? 1 : 1;
      duration = {
        y: parseIso(match[2], sign),
        M: parseIso(match[3], sign),
        w: parseIso(match[4], sign),
        d: parseIso(match[5], sign),
        h: parseIso(match[6], sign),
        m: parseIso(match[7], sign),
        s: parseIso(match[8], sign),
      };
    } else if (duration == null) {
      // checks for null or undefined
      duration = {};
    } else if (
      typeof duration === "object" &&
      ("from" in duration || "to" in duration)
    ) {
      diffRes = momentsDifference(
        createLocal(duration.from),
        createLocal(duration.to)
      );

duration = {};
      duration.ms = diffRes.milliseconds;
      duration.M = diffRes.months;
    }

ret = new Duration(duration);

if (isDuration(input) && hasOwnProp(input, "_locale")) {
      ret._locale = input._locale;
    }

return ret;
  }

createDuration.fn = Duration.prototype;
  createDuration.invalid = createInvalid$1;

function parseIso(inp, sign) {
    // We'd normally use ~~inp for this, but unfortunately it also
    // converts floats to ints.
    // inp may be undefined, so careful calling replace on it.
    var res = inp && parseFloat(inp.replace(",", "."));
    // apply sign while we're at it
    return (isNaN(res) ? 0 : res) * sign;
  }

function positiveMomentsDifference(base, other) {
    var res = { milliseconds: 0, months: 0 };

res.months =
      other.month() - base.month() + (other.year() - base.year()) * 12;
    if (base.clone().add(res.months, "M").isAfter(other)) {
      --res.months;
    }

res.milliseconds = +other - +base.clone().add(res.months, "M");

return res;
  }

function momentsDifference(base, other) {
    var res;
    if (!(base.isValid() && other.isValid())) {
      return { milliseconds: 0, months: 0 };
    }

other = cloneWithOffset(other, base);
    if (base.isBefore(other)) {
      res = positiveMomentsDifference(base, other);
    } else {
      res = positiveMomentsDifference(other, base);
      res.milliseconds = -res.milliseconds;
      res.months = -res.months;
    }

return res;
  }

// TODO: remove 'name' arg after deprecation is removed
  function createAdder(direction, name) {
    return function (val, period) {
      var dur, tmp;
      //invert the arguments, but complain about it
      if (period !== null && !isNaN(+period)) {
        deprecateSimple(
          name,
          "moment()." +
            name +
            "(period, number) is deprecated. Please use moment()." +
            name +
            "(number, period). " +
            "See http://momentjs.com/guides/#/warnings/add-inverted-param/ for more info."
        );
        tmp = val;
        val = period;
        period = tmp;
      }

val = typeof val === "string" ? +val : val;
      dur = createDuration(val, period);
      addSubtract(this, dur, direction);
      return this;
    };
  }

function addSubtract(mom, duration, isAdding, updateOffset) {
    var milliseconds = duration._milliseconds,
      days = absRound(duration._days),
      months = absRound(duration._months);

if (!mom.isValid()) {
      // No op
      return;
    }

updateOffset = updateOffset == null ? true : updateOffset;

if (months) {
      setMonth(mom, get(mom, "Month") + months * isAdding);
    }
    if (days) {
      set$1(mom, "Date", get(mom, "Date") + days * isAdding);
    }
    if (milliseconds) {
      mom._d.setTime(mom._d.valueOf() + milliseconds * isAdding);
    }
    if (updateOffset) {
      hooks.updateOffset(mom, days || months);
    }
  }

var add = createAdder(1, "add");
  var subtract = createAdder(-1, "subtract");

function getCalendarFormat(myMoment, now) {
    var diff = myMoment.diff(now, "days", true);
    return diff < -6
      ? "sameElse"
      : diff < -1
      ? "lastWeek"
      : diff < 0
      ? "lastDay"
      : diff < 1
      ? "sameDay"
      : diff < 2
      ? "nextDay"
      : diff < 7
      ? "nextWeek"
      : "sameElse";
  }

function calendar$1(time, formats) {
    // We want to compare the start of today, vs this.
    // Getting start-of-today depends on whether we're local/utc/offset or not.
    var now = time || createLocal(),
      sod = cloneWithOffset(now, this).startOf("day"),
      format = hooks.calendarFormat(this, sod) || "sameElse";

var output =
      formats &&
      (isFunction(formats[format])
        ? formats[format].call(this, now)
        : formats[format]);

return this.format(
      output || this.localeData().calendar(format, this, createLocal(now))
    );
  }

function clone() {
    return new Moment(this);
  }

function isBetween(from, to, units, inclusivity) {
    inclusivity = inclusivity || "()";
    return (
      (inclusivity[0] === "("
        ? this.isAfter(from, units)
        : !this.isBefore(from, units)) &&
      (inclusivity[1] === ")"
        ? this.isBefore(to, units)
        : !this.isAfter(to, units))
    );
  }

function isSameOrAfter(input, units) {
    return this.isSame(input, units) || this.isAfter(input, units);
  }

function isSameOrBefore(input, units) {
    return this.isSame(input, units) || this.isBefore(input, units);
  }

function diff(input, units, asFloat) {
    var that, zoneDelta, output;

if (!this.isValid()) {
      return NaN;
    }

that = cloneWithOffset(input, this);

if (!that.isValid()) {
      return NaN;
    }

zoneDelta = (that.utcOffset() - this.utcOffset()) * 6e4;

units = normalizeUnits(units);

switch (units) {
      case "year":
        output = monthDiff(this, that) / 12;
        break;
      case "month":
        output = monthDiff(this, that);
        break;
      case "quarter":
        output = monthDiff(this, that) / 3;
        break;
      case "second":
        output = (this - that) / 1e3;
        break; // 1000
      case "minute":
        output = (this - that) / 6e4;
        break; // 1000 * 60
      case "hour":
        output = (this - that) / 36e5;
        break; // 1000 * 60 * 60
      case "day":
        output = (this - that - zoneDelta) / 864e5;
        break; // 1000 * 60 * 60 * 24, negate dst
      case "week":
        output = (this - that - zoneDelta) / 6048e5;
        break; // 1000 * 60 * 60 * 24 * 7, negate dst
      default:
        output = this - that;
    }

return asFloat ? output : absFloor(output);
  }

function monthDiff(a, b) {
    // difference in months
    var wholeMonthDiff = (b.year() - a.year()) * 12 + (b.month() - a.month()),
      // b is in (anchor - 1 month, anchor + 1 month)
      anchor = a.clone().add(wholeMonthDiff, "months"),
      anchor2,
      adjust;

if (b - anchor < 0) {
      anchor2 = a.clone().add(wholeMonthDiff - 1, "months");
      // linear across the month
      adjust = (b - anchor) / (anchor - anchor2);
    } else {
      anchor2 = a.clone().add(wholeMonthDiff + 1, "months");
      // linear across the month
      adjust = (b - anchor) / (anchor2 - anchor);
    }

//check for negative zero, return zero if negative zero
    return -(wholeMonthDiff + adjust) || 0;
  }

hooks.defaultFormat = "YYYY-MM-DDTHH:mm:ssZ";
  hooks.defaultFormatUtc = "YYYY-MM-DDTHH:mm:ss[Z]";

function toString() {
    return this.clone().locale("en").format("ddd MMM DD YYYY HH:mm:ss [GMT]ZZ");
  }

/**
   * Return a human readable representation of a moment that can
   * also be evaluated to get a new moment which is the same
   *
   * @link https://nodejs.org/dist/latest/docs/api/util.html#util_custom_inspect_function_on_objects
   */
  function inspect() {
    if (!this.isValid()) {
      return "moment.invalid(/* " + this._i + " */)";
    }
    var func = "moment";
    var zone = "";
    if (!this.isLocal()) {
      func = this.utcOffset() === 0 ? "moment.utc" : "moment.parseZone";
      zone = "Z";
    }
    var prefix = "[" + func + '("]';
    var year = 0 <= this.year() && this.year() <= 9999 ? "YYYY" : "YYYYYY";
    var datetime = "-MM-DD[T]HH:mm:ss.SSS";
    var suffix = zone + '[")]';

return this.format(prefix + year + datetime + suffix);
  }

function format(inputString) {
    if (!inputString) {
      inputString = this.isUtc() ? hooks.defaultFormatUtc : hooks.defaultFormat;
    }
    var output = formatMoment(this, inputString);
    return this.localeData().postformat(output);
  }

function from(time, withoutSuffix) {
    if (
      this.isValid() &&
      ((isMoment(time) && time.isValid()) || createLocal(time).isValid())
    ) {
      return createDuration({ to: this, from: time })
        .locale(this.locale())
        .humanize(!withoutSuffix);
    } else {
      return this.localeData().invalidDate();
    }
  }

function fromNow(withoutSuffix) {
    return this.from(createLocal(), withoutSuffix);
  }

function to(time, withoutSuffix) {
    if (
      this.isValid() &&
      ((isMoment(time) && time.isValid()) || createLocal(time).isValid())
    ) {
      return createDuration({ from: this, to: time })
        .locale(this.locale())
        .humanize(!withoutSuffix);
    } else {
      return this.localeData().invalidDate();
    }
  }

function toNow(withoutSuffix) {
    return this.to(createLocal(), withoutSuffix);
  }

// If passed a locale key, it will set the locale for this
  // instance.  Otherwise, it will return the locale configuration
  // variables for this instance.
  function locale(key) {
    var newLocaleData;

if (key === undefined) {
      return this._locale._abbr;
    } else {
      newLocaleData = getLocale(key);
      if (newLocaleData != null) {
        this._locale = newLocaleData;
      }
      return this;
    }
  }

function localeData() {
    return this._locale;
  }

function startOf(units) {
    units = normalizeUnits(units);
    // the following switch intentionally omits break keywords
    // to utilize falling through the cases.
    switch (units) {
      case "year":
        this.month(0);
      /* falls through */
      case "quarter":
      case "month":
        this.date(1);
      /* falls through */
      case "week":
      case "isoWeek":
      case "day":
      case "date":
        this.hours(0);
      /* falls through */
      case "hour":
        this.minutes(0);
      /* falls through */
      case "minute":
        this.seconds(0);
      /* falls through */
      case "second":
        this.milliseconds(0);
    }

// weeks are a special case
    if (units === "week") {
      this.weekday(0);
    }
    if (units === "isoWeek") {
      this.isoWeekday(1);
    }

// quarters are also special
    if (units === "quarter") {
      this.month(Math.floor(this.month() / 3) * 3);
    }

return this;
  }

function endOf(units) {
    units = normalizeUnits(units);
    if (units === undefined || units === "millisecond") {
      return this;
    }

// 'date' is an alias for 'day', so it should be considered as such.
    if (units === "date") {
      units = "day";
    }

return this.startOf(units)
      .add(1, units === "isoWeek" ? "week" : units)
      .subtract(1, "ms");
  }

function valueOf() {
    return this._d.valueOf() - (this._offset || 0) * 60000;
  }

function unix() {
    return Math.floor(this.valueOf() / 1000);
  }

function toDate() {
    return new Date(this.valueOf());
  }

function toArray() {
    var m = this;
    return [
      m.year(),
      m.month(),
      m.date(),
      m.hour(),
      m.minute(),
      m.second(),
      m.millisecond(),
    ];
  }

function toObject() {
    var m = this;
    return {
      years: m.year(),
      months: m.month(),
      date: m.date(),
      hours: m.hours(),
      minutes: m.minutes(),
      seconds: m.seconds(),
      milliseconds: m.milliseconds(),
    };
  }

function toJSON() {
    // new Date(NaN).toJSON() === null
    return this.isValid() ? this.toISOString() : null;
  }

function isValid$2() {
    return isValid(this);
  }

function parsingFlags() {
    return extend({}, getParsingFlags(this));
  }

function invalidAt() {
    return getParsingFlags(this).overflow;
  }

function creationData() {
    return {
      input: this._i,
      format: this._f,
      locale: this._locale,
      isUTC: this._isUTC,
      strict: this._strict,
    };
  }

// FORMATTING

addFormatToken(0, ["gg", 2], 0, function () {
    return this.weekYear() % 100;
  });

addFormatToken(0, ["GG", 2], 0, function () {
    return this.isoWeekYear() % 100;
  });

function addWeekYearFormatToken(token, getter) {
    addFormatToken(0, [token, token.length], 0, getter);
  }

addWeekYearFormatToken("gggg", "weekYear");
  addWeekYearFormatToken("ggggg", "weekYear");
  addWeekYearFormatToken("GGGG", "isoWeekYear");
  addWeekYearFormatToken("GGGGG", "isoWeekYear");

// ALIASES

addUnitAlias("weekYear", "gg");
  addUnitAlias("isoWeekYear", "GG");

// PRIORITY

addUnitPriority("weekYear", 1);
  addUnitPriority("isoWeekYear", 1);

// PARSING

addRegexToken("G", matchSigned);
  addRegexToken("g", matchSigned);
  addRegexToken("GG", match1to2, match2);
  addRegexToken("gg", match1to2, match2);
  addRegexToken("GGGG", match1to4, match4);
  addRegexToken("gggg", match1to4, match4);
  addRegexToken("GGGGG", match1to6, match6);
  addRegexToken("ggggg", match1to6, match6);

addWeekParseToken(
    ["gggg", "ggggg", "GGGG", "GGGGG"],
    function (input, week, config, token) {
      week[token.substr(0, 2)] = toInt(input);
    }
  );

addWeekParseToken(["gg", "GG"], function (input, week, config, token) {
    week[token] = hooks.parseTwoDigitYear(input);
  });

// MOMENTS

function getSetWeekYear(input) {
    return getSetWeekYearHelper.call(
      this,
      input,
      this.week(),
      this.weekday(),
      this.localeData()._week.dow,
      this.localeData()._week.doy
    );
  }

function getSetISOWeekYear(input) {
    return getSetWeekYearHelper.call(
      this,
      input,
      this.isoWeek(),
      this.isoWeekday(),
      1,
      4
    );
  }

function getISOWeeksInYear() {
    return weeksInYear(this.year(), 1, 4);
  }

function getWeeksInYear() {
    var weekInfo = this.localeData()._week;
    return weeksInYear(this.year(), weekInfo.dow, weekInfo.doy);
  }

function setWeekAll(weekYear, week, weekday, dow, doy) {
    var dayOfYearData = dayOfYearFromWeeks(weekYear, week, weekday, dow, doy),
      date = createUTCDate(dayOfYearData.year, 0, dayOfYearData.dayOfYear);

this.year(date.getUTCFullYear());
    this.month(date.getUTCMonth());
    this.date(date.getUTCDate());
    return this;
  }

// FORMATTING

addFormatToken("Q", 0, "Qo", "quarter");

// ALIASES

addUnitAlias("quarter", "Q");

// PRIORITY

addUnitPriority("quarter", 7);

// PARSING

addRegexToken("Q", match1);
  addParseToken("Q", function (input, array) {
    array[MONTH] = (toInt(input) - 1) * 3;
  });

// MOMENTS

function getSetQuarter(input) {
    return input == null
      ? Math.ceil((this.month() + 1) / 3)
      : this.month((input - 1) * 3 + (this.month() % 3));
  }

// FORMATTING

addFormatToken("D", ["DD", 2], "Do", "date");

// ALIASES

addUnitAlias("date", "D");

// PRIORITY
  addUnitPriority("date", 9);

// PARSING

addRegexToken("D", match1to2);
  addRegexToken("DD", match1to2, match2);
  addRegexToken("Do", function (isStrict, locale) {
    // TODO: Remove "ordinalParse" fallback in next major release.
    return isStrict
      ? locale._dayOfMonthOrdinalParse || locale._ordinalParse
      : locale._dayOfMonthOrdinalParseLenient;
  });

addParseToken(["D", "DD"], DATE);
  addParseToken("Do", function (input, array) {
    array[DATE] = toInt(input.match(match1to2)[0]);
  });

// MOMENTS

var getSetDayOfMonth = makeGetSet("Date", true);

// FORMATTING

addFormatToken("DDD", ["DDDD", 3], "DDDo", "dayOfYear");

// ALIASES

addUnitAlias("dayOfYear", "DDD");

// PRIORITY
  addUnitPriority("dayOfYear", 4);

// PARSING

addRegexToken("DDD", match1to3);
  addRegexToken("DDDD", match3);
  addParseToken(["DDD", "DDDD"], function (input, array, config) {
    config._dayOfYear = toInt(input);
  });

// HELPERS

// MOMENTS

function getSetDayOfYear(input) {
    var dayOfYear =
      Math.round(
        (this.clone().startOf("day") - this.clone().startOf("year")) / 864e5
      ) + 1;
    return input == null ? dayOfYear : this.add(input - dayOfYear, "d");
  }

// FORMATTING

addFormatToken("m", ["mm", 2], 0, "minute");

// ALIASES

addUnitAlias("minute", "m");

// PRIORITY

addUnitPriority("minute", 14);

// PARSING

addRegexToken("m", match1to2);
  addRegexToken("mm", match1to2, match2);
  addParseToken(["m", "mm"], MINUTE);

// MOMENTS

var getSetMinute = makeGetSet("Minutes", false);

// FORMATTING

addFormatToken("s", ["ss", 2], 0, "second");

// ALIASES

addUnitAlias("second", "s");

// PRIORITY

addUnitPriority("second", 15);

// PARSING

addRegexToken("s", match1to2);
  addRegexToken("ss", match1to2, match2);
  addParseToken(["s", "ss"], SECOND);

// MOMENTS

var getSetSecond = makeGetSet("Seconds", false);

// FORMATTING

addFormatToken("S", 0, 0, function () {
    return ~~(this.millisecond() / 100);
  });

addFormatToken(0, ["SS", 2], 0, function () {
    return ~~(this.millisecond() / 10);
  });

addFormatToken(0, ["SSS", 3], 0, "millisecond");
  addFormatToken(0, ["SSSS", 4], 0, function () {
    return this.millisecond() * 10;
  });
  addFormatToken(0, ["SSSSS", 5], 0, function () {
    return this.millisecond() * 100;
  });
  addFormatToken(0, ["SSSSSS", 6], 0, function () {
    return this.millisecond() * 1000;
  });
  addFormatToken(0, ["SSSSSSS", 7], 0, function () {
    return this.millisecond() * 10000;
  });
  addFormatToken(0, ["SSSSSSSS", 8], 0, function () {
    return this.millisecond() * 100000;
  });
  addFormatToken(0, ["SSSSSSSSS", 9], 0, function () {
    return this.millisecond() * 1000000;
  });

// ALIASES

addUnitAlias("millisecond", "ms");

// PRIORITY

addUnitPriority("millisecond", 16);

// PARSING

addRegexToken("S", match1to3, match1);
  addRegexToken("SS", match1to3, match2);
  addRegexToken("SSS", match1to3, match3);

var token;
  for (token = "SSSS"; token.length <= 9; token += "S") {
    addRegexToken(token, matchUnsigned);
  }

function parseMs(input, array) {
    array[MILLISECOND] = toInt(("0." + input) * 1000);
  }

for (token = "S"; token.length <= 9; token += "S") {
    addParseToken(token, parseMs);
  }
  // MOMENTS

var getSetMillisecond = makeGetSet("Milliseconds", false);

// FORMATTING

addFormatToken("z", 0, 0, "zoneAbbr");
  addFormatToken("zz", 0, 0, "zoneName");

// MOMENTS

function getZoneAbbr() {
    return this._isUTC ? "UTC" : "";
  }

function getZoneName() {
    return this._isUTC ? "Coordinated Universal Time" : "";
  }

var proto = Moment.prototype;

proto.add = add;
  proto.calendar = calendar$1;
  proto.clone = clone;
  proto.diff = diff;
  proto.endOf = endOf;
  proto.format = format;
  proto.from = from;
  proto.fromNow = fromNow;
  proto.to = to;
  proto.toNow = toNow;
  proto.get = stringGet;
  proto.invalidAt = invalidAt;
  proto.isAfter = isAfter;
  proto.isBefore = isBefore;
  proto.isBetween = isBetween;
  proto.isSame = isSame;
  proto.isSameOrAfter = isSameOrAfter;
  proto.isSameOrBefore = isSameOrBefore;
  proto.isValid = isValid$2;
  proto.lang = lang;
  proto.locale = locale;
  proto.localeData = localeData;
  proto.max = prototypeMax;
  proto.min = prototypeMin;
  proto.parsingFlags = parsingFlags;
  proto.set = stringSet;
  proto.startOf = startOf;
  proto.subtract = subtract;
  proto.toArray = toArray;
  proto.toObject = toObject;
  proto.toDate = toDate;
  proto.toISOString = toISOString;
  proto.inspect = inspect;
  proto.toJSON = toJSON;
  proto.toString = toString;
  proto.unix = unix;
  proto.valueOf = valueOf;
  proto.creationData = creationData;
  proto.year = getSetYear;
  proto.isLeapYear = getIsLeapYear;
  proto.weekYear = getSetWeekYear;
  proto.isoWeekYear = getSetISOWeekYear;
  proto.quarter = proto.quarters = getSetQuarter;
  proto.month = getSetMonth;
  proto.daysInMonth = getDaysInMonth;
  proto.week = proto.weeks = getSetWeek;
  proto.isoWeek = proto.isoWeeks = getSetISOWeek;
  proto.weeksInYear = getWeeksInYear;
  proto.isoWeeksInYear = getISOWeeksInYear;
  proto.date = getSetDayOfMonth;
  proto.day = proto.days = getSetDayOfWeek;
  proto.weekday = getSetLocaleDayOfWeek;
  proto.isoWeekday = getSetISODayOfWeek;
  proto.dayOfYear = getSetDayOfYear;
  proto.hour = proto.hours = getSetHour;
  proto.minute = proto.minutes = getSetMinute;
  proto.second = proto.seconds = getSetSecond;
  proto.millisecond = proto.milliseconds = getSetMillisecond;
  proto.utcOffset = getSetOffset;
  proto.utc = setOffsetToUTC;
  proto.local = setOffsetToLocal;
  proto.parseZone = setOffsetToParsedOffset;
  proto.hasAlignedHourOffset = hasAlignedHourOffset;
  proto.isDST = isDaylightSavingTime;
  proto.isLocal = isLocal;
  proto.isUtcOffset = isUtcOffset;
  proto.isUtc = isUtc;
  proto.isUTC = isUtc;
  proto.zoneAbbr = getZoneAbbr;
  proto.zoneName = getZoneName;
  proto.dates = deprecate(
    "dates accessor is deprecated. Use date instead.",
    getSetDayOfMonth
  );
  proto.months = deprecate(
    "months accessor is deprecated. Use month instead",
    getSetMonth
  );
  proto.years = deprecate(
    "years accessor is deprecated. Use year instead",
    getSetYear
  );
  proto.zone = deprecate(
    "moment().zone is deprecated, use moment().utcOffset instead. http://momentjs.com/guides/#/warnings/zone/",
    getSetZone
  );
  proto.isDSTShifted = deprecate(
    "isDSTShifted is deprecated. See http://momentjs.com/guides/#/warnings/dst-shifted/ for more information",
    isDaylightSavingTimeShifted
  );

function createUnix(input) {
    return createLocal(input * 1000);
  }

function createInZone() {
    return createLocal.apply(null, arguments).parseZone();
  }

function preParsePostFormat(string) {
    return string;
  }

var proto$1 = Locale.prototype;

proto$1.calendar = calendar;
  proto$1.longDateFormat = longDateFormat;
  proto$1.invalidDate = invalidDate;
  proto$1.ordinal = ordinal;
  proto$1.preparse = preParsePostFormat;
  proto$1.postformat = preParsePostFormat;
  proto$1.relativeTime = relativeTime;
  proto$1.pastFuture = pastFuture;
  proto$1.set = set;

proto$1.months = localeMonths;
  proto$1.monthsShort = localeMonthsShort;
  proto$1.monthsParse = localeMonthsParse;
  proto$1.monthsRegex = monthsRegex;
  proto$1.monthsShortRegex = monthsShortRegex;
  proto$1.week = localeWeek;
  proto$1.firstDayOfYear = localeFirstDayOfYear;
  proto$1.firstDayOfWeek = localeFirstDayOfWeek;

proto$1.weekdays = localeWeekdays;
  proto$1.weekdaysMin = localeWeekdaysMin;
  proto$1.weekdaysShort = localeWeekdaysShort;
  proto$1.weekdaysParse = localeWeekdaysParse;

proto$1.weekdaysRegex = weekdaysRegex;
  proto$1.weekdaysShortRegex = weekdaysShortRegex;
  proto$1.weekdaysMinRegex = weekdaysMinRegex;

proto$1.isPM = localeIsPM;
  proto$1.meridiem = localeMeridiem;

function get$1(format, index, field, setter) {
    var locale = getLocale();
    var utc = createUTC().set(setter, index);
    return locale[field](utc, format);
  }

function listMonthsImpl(format, index, field) {
    if (isNumber(format)) {
      index = format;
      format = undefined;
    }

format = format || "";

if (index != null) {
      return get$1(format, index, field, "month");
    }

var i;
    var out = [];
    for (i = 0; i < 12; i++) {
      out[i] = get$1(format, i, field, "month");
    }
    return out;
  }

// ()
  // (5)
  // (fmt, 5)
  // (fmt)
  // (true)
  // (true, 5)
  // (true, fmt, 5)
  // (true, fmt)
  function listWeekdaysImpl(localeSorted, format, index, field) {
    if (typeof localeSorted === "boolean") {
      if (isNumber(format)) {
        index = format;
        format = undefined;
      }

format = format || "";
    } else {
      format = localeSorted;
      index = format;
      localeSorted = false;

if (isNumber(format)) {
        index = format;
        format = undefined;
      }

format = format || "";
    }

var locale = getLocale(),
      shift = localeSorted ? locale._week.dow : 0;

if (index != null) {
      return get$1(format, (index + shift) % 7, field, "day");
    }

var i;
    var out = [];
    for (i = 0; i < 7; i++) {
      out[i] = get$1(format, (i + shift) % 7, field, "day");
    }
    return out;
  }

function listMonths(format, index) {
    return listMonthsImpl(format, index, "months");
  }

function listMonthsShort(format, index) {
    return listMonthsImpl(format, index, "monthsShort");
  }

function listWeekdays(localeSorted, format, index) {
    return listWeekdaysImpl(localeSorted, format, index, "weekdays");
  }

function listWeekdaysShort(localeSorted, format, index) {
    return listWeekdaysImpl(localeSorted, format, index, "weekdaysShort");
  }

function listWeekdaysMin(localeSorted, format, index) {
    return listWeekdaysImpl(localeSorted, format, index, "weekdaysMin");
  }

getSetGlobalLocale("en", {
    dayOfMonthOrdinalParse: /\d{1,2}(th|st|nd|rd)/,
    ordinal: function (number) {
      var b = number % 10,
        output =
          toInt((number % 100) / 10) === 1
            ? "th"
            : b === 1
            ? "st"
            : b === 2
            ? "nd"
            : b === 3
            ? "rd"
            : "th";
      return number + output;
    },
  });

// Side effect imports

hooks.lang = deprecate(
    "moment.lang is deprecated. Use moment.locale instead.",
    getSetGlobalLocale
  );
  hooks.langData = deprecate(
    "moment.langData is deprecated. Use moment.localeData instead.",
    getLocale
  );

var mathAbs = Math.abs;

function abs() {
    var data = this._data;

this._milliseconds = mathAbs(this._milliseconds);
    this._days = mathAbs(this._days);
    this._months = mathAbs(this._months);

data.milliseconds = mathAbs(data.milliseconds);
    data.seconds = mathAbs(data.seconds);
    data.minutes = mathAbs(data.minutes);
    data.hours = mathAbs(data.hours);
    data.months = mathAbs(data.months);
    data.years = mathAbs(data.years);

return this;
  }

function addSubtract$1(duration, input, value, direction) {
    var other = createDuration(input, value);

duration._milliseconds += direction * other._milliseconds;
    duration._days += direction * other._days;
    duration._months += direction * other._months;

return duration._bubble();
  }

// supports only 2.0-style add(1, 's') or add(duration)
  function add$1(input, value) {
    return addSubtract$1(this, input, value, 1);
  }

// supports only 2.0-style subtract(1, 's') or subtract(duration)
  function subtract$1(input, value) {
    return addSubtract$1(this, input, value, -1);
  }

function absCeil(number) {
    if (number < 0) {
      return Math.floor(number);
    } else {
      return Math.ceil(number);
    }
  }

function bubble() {
    var milliseconds = this._milliseconds;
    var days = this._days;
    var months = this._months;
    var data = this._data;
    var seconds, minutes, hours, years, monthsFromDays;

// if we have a mix of positive and negative values, bubble down first
    // check: https://github.com/moment/moment/issues/2166
    if (
      !(
        (milliseconds >= 0 && days >= 0 && months >= 0) ||
        (milliseconds <= 0 && days <= 0 && months <= 0)
      )
    ) {
      milliseconds += absCeil(monthsToDays(months) + days) * 864e5;
      days = 0;
      months = 0;
    }

// The following code bubbles up values, see the tests for
    // examples of what that means.
    data.milliseconds = milliseconds % 1000;

seconds = absFloor(milliseconds / 1000);
    data.seconds = seconds % 60;

minutes = absFloor(seconds / 60);
    data.minutes = minutes % 60;

hours = absFloor(minutes / 60);
    data.hours = hours % 24;

days += absFloor(hours / 24);

// convert days to months
    monthsFromDays = absFloor(daysToMonths(days));
    months += monthsFromDays;
    days -= absCeil(monthsToDays(monthsFromDays));

// 12 months -> 1 year
    years = absFloor(months / 12);
    months %= 12;

data.days = days;
    data.months = months;
    data.years = years;

return this;
  }

function daysToMonths(days) {
    // 400 years have 146097 days (taking into account leap year rules)
    // 400 years have 12 months === 4800
    return (days * 4800) / 146097;
  }

function monthsToDays(months) {
    // the reverse of daysToMonths
    return (months * 146097) / 4800;
  }

function as(units) {
    if (!this.isValid()) {
      return NaN;
    }
    var days;
    var months;
    var milliseconds = this._milliseconds;

units = normalizeUnits(units);

if (units === "month" || units === "year") {
      days = this._days + milliseconds / 864e5;
      months = this._months + daysToMonths(days);
      return units === "month" ? months : months / 12;
    } else {
      // handle milliseconds separately because of floating point math errors (issue #1867)
      days = this._days + Math.round(monthsToDays(this._months));
      switch (units) {
        case "week":
          return days / 7 + milliseconds / 6048e5;
        case "day":
          return days + milliseconds / 864e5;
        case "hour":
          return days * 24 + milliseconds / 36e5;
        case "minute":
          return days * 1440 + milliseconds / 6e4;
        case "second":
          return days * 86400 + milliseconds / 1000;
        // Math.floor prevents floating point math errors here
        case "millisecond":
          return Math.floor(days * 864e5) + milliseconds;
        default:
          throw new Error("Unknown unit " + units);
      }
    }
  }

// TODO: Use this.as('ms')?
  function valueOf$1() {
    if (!this.isValid()) {
      return NaN;
    }
    return (
      this._milliseconds +
      this._days * 864e5 +
      (this._months % 12) * 2592e6 +
      toInt(this._months / 12) * 31536e6
    );
  }

function makeAs(alias) {
    return function () {
      return this.as(alias);
    };
  }

var asMilliseconds = makeAs("ms");
  var asSeconds = makeAs("s");
  var asMinutes = makeAs("m");
  var asHours = makeAs("h");
  var asDays = makeAs("d");
  var asWeeks = makeAs("w");
  var asMonths = makeAs("M");
  var asYears = makeAs("y");

function clone$1() {
    return createDuration(this);
  }

function get$2(units) {
    units = normalizeUnits(units);
    return this.isValid() ? this[units + "s"]() : NaN;
  }

function makeGetter(name) {
    return function () {
      return this.isValid() ? this._data[name] : NaN;
    };
  }

var milliseconds = makeGetter("milliseconds");
  var seconds = makeGetter("seconds");
  var minutes = makeGetter("minutes");
  var hours = makeGetter("hours");
  var days = makeGetter("days");
  var months = makeGetter("months");
  var years = makeGetter("years");

function weeks() {
    return absFloor(this.days() / 7);
  }

var round = Math.round;
  var thresholds = {
    ss: 44, // a few seconds to seconds
    s: 45, // seconds to minute
    m: 45, // minutes to hour
    h: 22, // hours to day
    d: 26, // days to month
    M: 11, // months to year
  };

// helper function for moment.fn.from, moment.fn.fromNow, and moment.duration.fn.humanize
  function substituteTimeAgo(string, number, withoutSuffix, isFuture, locale) {
    return locale.relativeTime(number || 1, !!withoutSuffix, string, isFuture);
  }

function relativeTime$1(posNegDuration, withoutSuffix, locale) {
    var duration = createDuration(posNegDuration).abs();
    var seconds = round(duration.as("s"));
    var minutes = round(duration.as("m"));
    var hours = round(duration.as("h"));
    var days = round(duration.as("d"));
    var months = round(duration.as("M"));
    var years = round(duration.as("y"));

var a = (seconds <= thresholds.ss && ["s", seconds]) ||
      (seconds < thresholds.s && ["ss", seconds]) ||
      (minutes <= 1 && ["m"]) ||
      (minutes < thresholds.m && ["mm", minutes]) ||
      (hours <= 1 && ["h"]) ||
      (hours < thresholds.h && ["hh", hours]) ||
      (days <= 1 && ["d"]) ||
      (days < thresholds.d && ["dd", days]) ||
      (months <= 1 && ["M"]) ||
      (months < thresholds.M && ["MM", months]) ||
      (years <= 1 && ["y"]) || ["yy", years];

a[2] = withoutSuffix;
    a[3] = +posNegDuration > 0;
    a[4] = locale;
    return substituteTimeAgo.apply(null, a);
  }

// This function allows you to set the rounding function for relative time strings
  function getSetRelativeTimeRounding(roundingFunction) {
    if (roundingFunction === undefined) {
      return round;
    }
    if (typeof roundingFunction === "function") {
      round = roundingFunction;
      return true;
    }
    return false;
  }

// This function allows you to set a threshold for relative time strings
  function getSetRelativeTimeThreshold(threshold, limit) {
    if (thresholds[threshold] === undefined) {
      return false;
    }
    if (limit === undefined) {
      return thresholds[threshold];
    }
    thresholds[threshold] = limit;
    if (threshold === "s") {
      thresholds.ss = limit - 1;
    }
    return true;
  }

function humanize(withSuffix) {
    if (!this.isValid()) {
      return this.localeData().invalidDate();
    }

var locale = this.localeData();
    var output = relativeTime$1(this, !withSuffix, locale);

if (withSuffix) {
      output = locale.pastFuture(+this, output);
    }

return locale.postformat(output);
  }

var abs$1 = Math.abs;

function sign(x) {
    return (x > 0) - (x < 0) || +x;
  }

function toISOString$1() {
    // for ISO strings we do not use the normal bubbling rules:
    //  * milliseconds bubble up until they become hours
    //  * days do not bubble at all
    //  * months bubble up until they become years
    // This is because there is no context-free conversion between hours and days
    // (think of clock changes)
    // and also not between days and months (28-31 days per month)
    if (!this.isValid()) {
      return this.localeData().invalidDate();
    }

var seconds = abs$1(this._milliseconds) / 1000;
    var days = abs$1(this._days);
    var months = abs$1(this._months);
    var minutes, hours, years;

// 3600 seconds -> 60 minutes -> 1 hour
    minutes = absFloor(seconds / 60);
    hours = absFloor(minutes / 60);
    seconds %= 60;
    minutes %= 60;

// 12 months -> 1 year
    years = absFloor(months / 12);
    months %= 12;

// inspired by https://github.com/dordille/moment-isoduration/blob/master/moment.isoduration.js
    var Y = years;
    var M = months;
    var D = days;
    var h = hours;
    var m = minutes;
    var s = seconds ? seconds.toFixed(3).replace(/\.?0+$/, "") : "";
    var total = this.asSeconds();

if (!total) {
      // this is the same as C#'s (Noda) and python (isodate)...
      // but not other JS (goog.date)
      return "P0D";
    }

var totalSign = total < 0 ? "-" : "";
    var ymSign = sign(this._months) !== sign(total) ? "-" : "";
    var daysSign = sign(this._days) !== sign(total) ? "-" : "";
    var hmsSign = sign(this._milliseconds) !== sign(total) ? "-" : "";

return (
      totalSign +
      "P" +
      (Y ? ymSign + Y + "Y" : "") +
      (M ? ymSign + M + "M" : "") +
      (D ? daysSign + D + "D" : "") +
      (h || m || s ? "T" : "") +
      (h ? hmsSign + h + "H" : "") +
      (m ? hmsSign + m + "M" : "") +
      (s ? hmsSign + s + "S" : "")
    );
  }

var proto$2 = Duration.prototype;

proto$2.isValid = isValid$1;
  proto$2.abs = abs;
  proto$2.add = add$1;
  proto$2.subtract = subtract$1;
  proto$2.as = as;
  proto$2.asMilliseconds = asMilliseconds;
  proto$2.asSeconds = asSeconds;
  proto$2.asMinutes = asMinutes;
  proto$2.asHours = asHours;
  proto$2.asDays = asDays;
  proto$2.asWeeks = asWeeks;
  proto$2.asMonths = asMonths;
  proto$2.asYears = asYears;
  proto$2.valueOf = valueOf$1;
  proto$2._bubble = bubble;
  proto$2.clone = clone$1;
  proto$2.get = get$2;
  proto$2.milliseconds = milliseconds;
  proto$2.seconds = seconds;
  proto$2.minutes = minutes;
  proto$2.hours = hours;
  proto$2.days = days;
  proto$2.weeks = weeks;
  proto$2.months = months;
  proto$2.years = years;
  proto$2.humanize = humanize;
  proto$2.toISOString = toISOString$1;
  proto$2.toString = toISOString$1;
  proto$2.toJSON = toISOString$1;
  proto$2.locale = locale;
  proto$2.localeData = localeData;

proto$2.toIsoString = deprecate(
    "toIsoString() is deprecated. Please use toISOString() instead (notice the capitals)",
    toISOString$1
  );
  proto$2.lang = lang;

// Side effect imports

// FORMATTING

addFormatToken("X", 0, 0, "unix");
  addFormatToken("x", 0, 0, "valueOf");

// PARSING

addRegexToken("x", matchSigned);
  addRegexToken("X", matchTimestamp);
  addParseToken("X", function (input, array, config) {
    config._d = new Date(parseFloat(input, 10) * 1000);
  });
  addParseToken("x", function (input, array, config) {
    config._d = new Date(toInt(input));
  });

// Side effect imports

hooks.version = "2.22.1";

setHookCallback(createLocal);

hooks.fn = proto;
  hooks.min = min;
  hooks.max = max;
  hooks.now = now;
  hooks.utc = createUTC;
  hooks.unix = createUnix;
  hooks.months = listMonths;
  hooks.isDate = isDate;
  hooks.locale = getSetGlobalLocale;
  hooks.invalid = createInvalid;
  hooks.duration = createDuration;
  hooks.isMoment = isMoment;
  hooks.weekdays = listWeekdays;
  hooks.parseZone = createInZone;
  hooks.localeData = getLocale;
  hooks.isDuration = isDuration;
  hooks.monthsShort = listMonthsShort;
  hooks.weekdaysMin = listWeekdaysMin;
  hooks.defineLocale = defineLocale;
  hooks.updateLocale = updateLocale;
  hooks.locales = listLocales;
  hooks.weekdaysShort = listWeekdaysShort;
  hooks.normalizeUnits = normalizeUnits;
  hooks.relativeTimeRounding = getSetRelativeTimeRounding;
  hooks.relativeTimeThreshold = getSetRelativeTimeThreshold;
  hooks.calendarFormat = getCalendarFormat;
  hooks.prototype = proto;

// currently HTML5 input type only supports 24-hour formats
  hooks.HTML5_FMT = {
    DATETIME_LOCAL: "YYYY-MM-DDTHH:mm", // <input type="datetime-local" />
    DATETIME_LOCAL_SECONDS: "YYYY-MM-DDTHH:mm:ss", // <input type="datetime-local" step="1" />
    DATETIME_LOCAL_MS: "YYYY-MM-DDTHH:mm:ss.SSS", // <input type="datetime-local" step="0.001" />
    DATE: "YYYY-MM-DD", // <input type="date" />
    TIME: "HH:mm", // <input type="time" />
    TIME_SECONDS: "HH:mm:ss", // <input type="time" step="1" />
    TIME_MS: "HH:mm:ss.SSS", // <input type="time" step="0.001" />
    WEEK: "YYYY-[W]WW", // <input type="week" />
    MONTH: "YYYY-MM", // <input type="month" />
  };

return hooks;
});

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Name	Type	Actions
.. (Parent Directory)
📄 ender.js	FILE	[EDIT]
📁 locale/	DIR
📁 min/	DIR
📄 moment.js	FILE	[EDIT]
📄 package.js	FILE	[EDIT]

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Editing: moment.js