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discourse/lib/javascripts/moment.js

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work in progress migrate to moment
2013-06-06 18:49:09 -04:00
// moment.js
// version : 2.0.0
// author : Tim Wood
// license : MIT
// momentjs.com
(function (undefined) {
/************************************
Constants
************************************/
var moment,
VERSION = "2.0.0",
round = Math.round, i,
// internal storage for language config files
languages = {},
// check for nodeJS
hasModule = (typeof module !== 'undefined' && module.exports),
// ASP.NET json date format regex
aspNetJsonRegex = /^\/?Date\((\-?\d+)/i,
aspNetTimeSpanJsonRegex = /(\-)?(\d*)?\.?(\d+)\:(\d+)\:(\d+)\.?(\d{3})?/,
// format tokens
formattingTokens = /(\[[^\[]*\])|(\\)?(Mo|MM?M?M?|Do|DDDo|DD?D?D?|ddd?d?|do?|w[o|w]?|W[o|W]?|YYYYY|YYYY|YY|gg(ggg?)?|GG(GGG?)?|e|E|a|A|hh?|HH?|mm?|ss?|SS?S?|X|zz?|ZZ?|.)/g,
localFormattingTokens = /(\[[^\[]*\])|(\\)?(LT|LL?L?L?|l{1,4})/g,
// parsing tokens
parseMultipleFormatChunker = /([0-9a-zA-Z\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]+)/gi,
// parsing token regexes
parseTokenOneOrTwoDigits = /\d\d?/, // 0 - 99
parseTokenOneToThreeDigits = /\d{1,3}/, // 0 - 999
parseTokenThreeDigits = /\d{3}/, // 000 - 999
parseTokenFourDigits = /\d{1,4}/, // 0 - 9999
parseTokenSixDigits = /[+\-]?\d{1,6}/, // -999,999 - 999,999
parseTokenWord = /[0-9]*['a-z\u00A0-\u05FF\u0700-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]+|[\u0600-\u06FF\/]+(\s*?[\u0600-\u06FF]+){1,2}/i, // any word (or two) characters or numbers including two/three word month in arabic.
parseTokenTimezone = /Z|[\+\-]\d\d:?\d\d/i, // +00:00 -00:00 +0000 -0000 or Z
parseTokenT = /T/i, // T (ISO seperator)
parseTokenTimestampMs = /[\+\-]?\d+(\.\d{1,3})?/, // 123456789 123456789.123
// preliminary iso regex
// 0000-00-00 + T + 00 or 00:00 or 00:00:00 or 00:00:00.000 + +00:00 or +0000
isoRegex = /^\s*\d{4}-\d\d-\d\d((T| )(\d\d(:\d\d(:\d\d(\.\d\d?\d?)?)?)?)?([\+\-]\d\d:?\d\d)?)?/,
isoFormat = 'YYYY-MM-DDTHH:mm:ssZ',
// iso time formats and regexes
isoTimes = [
['HH:mm:ss.S', /(T| )\d\d:\d\d:\d\d\.\d{1,3}/],
['HH:mm:ss', /(T| )\d\d:\d\d:\d\d/],
['HH:mm', /(T| )\d\d:\d\d/],
['HH', /(T| )\d\d/]
],
// timezone chunker "+10:00" > ["10", "00"] or "-1530" > ["-15", "30"]
parseTimezoneChunker = /([\+\-]|\d\d)/gi,
// getter and setter names
proxyGettersAndSetters = 'Date|Hours|Minutes|Seconds|Milliseconds'.split('|'),
unitMillisecondFactors = {
'Milliseconds' : 1,
'Seconds' : 1e3,
'Minutes' : 6e4,
'Hours' : 36e5,
'Days' : 864e5,
'Months' : 2592e6,
'Years' : 31536e6
},
unitAliases = {
ms : 'millisecond',
s : 'second',
m : 'minute',
h : 'hour',
d : 'day',
w : 'week',
M : 'month',
y : 'year'
},
// format function strings
formatFunctions = {},
// tokens to ordinalize and pad
ordinalizeTokens = 'DDD w W M D d'.split(' '),
paddedTokens = 'M D H h m s w W'.split(' '),
formatTokenFunctions = {
M : function () {
return this.month() + 1;
},
MMM : function (format) {
return this.lang().monthsShort(this, format);
},
MMMM : function (format) {
return this.lang().months(this, format);
},
D : function () {
return this.date();
},
DDD : function () {
return this.dayOfYear();
},
d : function () {
return this.day();
},
dd : function (format) {
return this.lang().weekdaysMin(this, format);
},
ddd : function (format) {
return this.lang().weekdaysShort(this, format);
},
dddd : function (format) {
return this.lang().weekdays(this, format);
},
w : function () {
return this.week();
},
W : function () {
return this.isoWeek();
},
YY : function () {
return leftZeroFill(this.year() % 100, 2);
},
YYYY : function () {
return leftZeroFill(this.year(), 4);
},
YYYYY : function () {
return leftZeroFill(this.year(), 5);
},
gg : function () {
return leftZeroFill(this.weekYear() % 100, 2);
},
gggg : function () {
return this.weekYear();
},
ggggg : function () {
return leftZeroFill(this.weekYear(), 5);
},
GG : function () {
return leftZeroFill(this.isoWeekYear() % 100, 2);
},
GGGG : function () {
return this.isoWeekYear();
},
GGGGG : function () {
return leftZeroFill(this.isoWeekYear(), 5);
},
e : function () {
return this.weekday();
},
E : function () {
return this.isoWeekday();
},
a : function () {
return this.lang().meridiem(this.hours(), this.minutes(), true);
},
A : function () {
return this.lang().meridiem(this.hours(), this.minutes(), false);
},
H : function () {
return this.hours();
},
h : function () {
return this.hours() % 12 || 12;
},
m : function () {
return this.minutes();
},
s : function () {
return this.seconds();
},
S : function () {
return ~~(this.milliseconds() / 100);
},
SS : function () {
return leftZeroFill(~~(this.milliseconds() / 10), 2);
},
SSS : function () {
return leftZeroFill(this.milliseconds(), 3);
},
Z : function () {
var a = -this.zone(),
b = "+";
if (a < 0) {
a = -a;
b = "-";
}
return b + leftZeroFill(~~(a / 60), 2) + ":" + leftZeroFill(~~a % 60, 2);
},
ZZ : function () {
var a = -this.zone(),
b = "+";
if (a < 0) {
a = -a;
b = "-";
}
return b + leftZeroFill(~~(10 * a / 6), 4);
},
z : function () {
return this.zoneAbbr();
},
zz : function () {
return this.zoneName();
},
X : function () {
return this.unix();
}
};
function padToken(func, count) {
return function (a) {
return leftZeroFill(func.call(this, a), count);
};
}
function ordinalizeToken(func, period) {
return function (a) {
return this.lang().ordinal(func.call(this, a), period);
};
}
while (ordinalizeTokens.length) {
i = ordinalizeTokens.pop();
formatTokenFunctions[i + 'o'] = ordinalizeToken(formatTokenFunctions[i], i);
}
while (paddedTokens.length) {
i = paddedTokens.pop();
formatTokenFunctions[i + i] = padToken(formatTokenFunctions[i], 2);
}
formatTokenFunctions.DDDD = padToken(formatTokenFunctions.DDD, 3);
/************************************
Constructors
************************************/
function Language() {
}
// Moment prototype object
function Moment(config) {
extend(this, config);
}
// Duration Constructor
function Duration(duration) {
var data = this._data = {},
years = duration.years || duration.year || duration.y || 0,
months = duration.months || duration.month || duration.M || 0,
weeks = duration.weeks || duration.week || duration.w || 0,
days = duration.days || duration.day || duration.d || 0,
hours = duration.hours || duration.hour || duration.h || 0,
minutes = duration.minutes || duration.minute || duration.m || 0,
seconds = duration.seconds || duration.second || duration.s || 0,
milliseconds = duration.milliseconds || duration.millisecond || duration.ms || 0;
// representation for dateAddRemove
this._milliseconds = milliseconds +
seconds * 1e3 + // 1000
minutes * 6e4 + // 1000 * 60
hours * 36e5; // 1000 * 60 * 60
// Because of dateAddRemove treats 24 hours as different from a
// day when working around DST, we need to store them separately
this._days = days +
weeks * 7;
// It is impossible translate months into days without knowing
// which months you are are talking about, so we have to store
// it separately.
this._months = months +
years * 12;
// The following code bubbles up values, see the tests for
// examples of what that means.
data.milliseconds = milliseconds % 1000;
seconds += absRound(milliseconds / 1000);
data.seconds = seconds % 60;
minutes += absRound(seconds / 60);
data.minutes = minutes % 60;
hours += absRound(minutes / 60);
data.hours = hours % 24;
days += absRound(hours / 24);
days += weeks * 7;
data.days = days % 30;
months += absRound(days / 30);
data.months = months % 12;
years += absRound(months / 12);
data.years = years;
}
/************************************
Helpers
************************************/
function extend(a, b) {
for (var i in b) {
if (b.hasOwnProperty(i)) {
a[i] = b[i];
}
}
return a;
}
function absRound(number) {
if (number < 0) {
return Math.ceil(number);
} else {
return Math.floor(number);
}
}
// left zero fill a number
// see http://jsperf.com/left-zero-filling for performance comparison
function leftZeroFill(number, targetLength) {
var output = number + '';
while (output.length < targetLength) {
output = '0' + output;
}
return output;
}
// helper function for _.addTime and _.subtractTime
function addOrSubtractDurationFromMoment(mom, duration, isAdding, ignoreUpdateOffset) {
var milliseconds = duration._milliseconds,
days = duration._days,
months = duration._months,
minutes,
hours,
currentDate;
if (milliseconds) {
mom._d.setTime(+mom._d + milliseconds * isAdding);
}
// store the minutes and hours so we can restore them
if (days || months) {
minutes = mom.minute();
hours = mom.hour();
}
if (days) {
mom.date(mom.date() + days * isAdding);
}
if (months) {
currentDate = mom.date();
mom.date(1)
.month(mom.month() + months * isAdding)
.date(Math.min(currentDate, mom.daysInMonth()));
}
if (milliseconds && !ignoreUpdateOffset) {
moment.updateOffset(mom);
}
// restore the minutes and hours after possibly changing dst
if (days || months) {
mom.minute(minutes);
mom.hour(hours);
}
}
// check if is an array
function isArray(input) {
return Object.prototype.toString.call(input) === '[object Array]';
}
// compare two arrays, return the number of differences
function compareArrays(array1, array2) {
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 (~~array1[i] !== ~~array2[i]) {
diffs++;
}
}
return diffs + lengthDiff;
}
function normalizeUnits(units) {
return units ? unitAliases[units] || units.toLowerCase().replace(/(.)s$/, '$1') : units;
}
/************************************
Languages
************************************/
Language.prototype = {
set : function (config) {
var prop, i;
for (i in config) {
prop = config[i];
if (typeof prop === 'function') {
this[i] = prop;
} else {
this['_' + i] = prop;
}
}
},
_months : "January_February_March_April_May_June_July_August_September_October_November_December".split("_"),
months : function (m) {
return this._months[m.month()];
},
_monthsShort : "Jan_Feb_Mar_Apr_May_Jun_Jul_Aug_Sep_Oct_Nov_Dec".split("_"),
monthsShort : function (m) {
return this._monthsShort[m.month()];
},
monthsParse : function (monthName) {
var i, mom, regex;
if (!this._monthsParse) {
this._monthsParse = [];
}
for (i = 0; i < 12; i++) {
// make the regex if we don't have it already
if (!this._monthsParse[i]) {
mom = moment([2000, i]);
regex = '^' + this.months(mom, '') + '|^' + this.monthsShort(mom, '');
this._monthsParse[i] = new RegExp(regex.replace('.', ''), 'i');
}
// test the regex
if (this._monthsParse[i].test(monthName)) {
return i;
}
}
},
_weekdays : "Sunday_Monday_Tuesday_Wednesday_Thursday_Friday_Saturday".split("_"),
weekdays : function (m) {
return this._weekdays[m.day()];
},
_weekdaysShort : "Sun_Mon_Tue_Wed_Thu_Fri_Sat".split("_"),
weekdaysShort : function (m) {
return this._weekdaysShort[m.day()];
},
_weekdaysMin : "Su_Mo_Tu_We_Th_Fr_Sa".split("_"),
weekdaysMin : function (m) {
return this._weekdaysMin[m.day()];
},
weekdaysParse : function (weekdayName) {
var i, mom, regex;
if (!this._weekdaysParse) {
this._weekdaysParse = [];
}
for (i = 0; i < 7; i++) {
// make the regex if we don't have it already
if (!this._weekdaysParse[i]) {
mom = moment([2000, 1]).day(i);
regex = '^' + this.weekdays(mom, '') + '|^' + this.weekdaysShort(mom, '') + '|^' + this.weekdaysMin(mom, '');
this._weekdaysParse[i] = new RegExp(regex.replace('.', ''), 'i');
}
// test the regex
if (this._weekdaysParse[i].test(weekdayName)) {
return i;
}
}
},
_longDateFormat : {
LT : "h:mm A",
L : "MM/DD/YYYY",
LL : "MMMM D YYYY",
LLL : "MMMM D YYYY LT",
LLLL : "dddd, MMMM D YYYY LT"
},
longDateFormat : function (key) {
var output = this._longDateFormat[key];
if (!output && this._longDateFormat[key.toUpperCase()]) {
output = this._longDateFormat[key.toUpperCase()].replace(/MMMM|MM|DD|dddd/g, function (val) {
return val.slice(1);
});
this._longDateFormat[key] = output;
}
return output;
},
isPM : function (input) {
return ((input + '').toLowerCase()[0] === 'p');
},
_meridiemParse : /[ap]\.?m?\.?/i,
meridiem : function (hours, minutes, isLower) {
if (hours > 11) {
return isLower ? 'pm' : 'PM';
} else {
return isLower ? 'am' : 'AM';
}
},
_calendar : {
sameDay : '[Today at] LT',
nextDay : '[Tomorrow at] LT',
nextWeek : 'dddd [at] LT',
lastDay : '[Yesterday at] LT',
lastWeek : '[Last] dddd [at] LT',
sameElse : 'L'
},
calendar : function (key, mom) {
var output = this._calendar[key];
return typeof output === 'function' ? output.apply(mom) : output;
},
_relativeTime : {
future : "in %s",
past : "%s ago",
s : "a few seconds",
m : "a minute",
mm : "%d minutes",
h : "an hour",
hh : "%d hours",
d : "a day",
dd : "%d days",
M : "a month",
MM : "%d months",
y : "a year",
yy : "%d years"
},
relativeTime : function (number, withoutSuffix, string, isFuture) {
var output = this._relativeTime[string];
return (typeof output === 'function') ?
output(number, withoutSuffix, string, isFuture) :
output.replace(/%d/i, number);
},
pastFuture : function (diff, output) {
var format = this._relativeTime[diff > 0 ? 'future' : 'past'];
return typeof format === 'function' ? format(output) : format.replace(/%s/i, output);
},
ordinal : function (number) {
return this._ordinal.replace("%d", number);
},
_ordinal : "%d",
preparse : function (string) {
return string;
},
postformat : function (string) {
return string;
},
week : function (mom) {
return weekOfYear(mom, this._week.dow, this._week.doy).week;
},
_week : {
dow : 0, // Sunday is the first day of the week.
doy : 6 // The week that contains Jan 1st is the first week of the year.
}
};
// Loads a language definition into the `languages` cache. The function
// takes a key and optionally values. If not in the browser and no values
// are provided, it will load the language file module. As a convenience,
// this function also returns the language values.
function loadLang(key, values) {
values.abbr = key;
if (!languages[key]) {
languages[key] = new Language();
}
languages[key].set(values);
return languages[key];
}
// Determines which language definition to use and returns it.
//
// With no parameters, it will return the global language. If you
// pass in a language key, such as 'en', it will return the
// definition for 'en', so long as 'en' has already been loaded using
// moment.lang.
function getLangDefinition(key) {
if (!key) {
return moment.fn._lang;
}
if (!languages[key] && hasModule) {
require('./lang/' + key);
}
return languages[key];
}
/************************************
Formatting
************************************/
function removeFormattingTokens(input) {
if (input.match(/\[.*\]/)) {
return input.replace(/^\[|\]$/g, "");
}
return input.replace(/\\/g, "");
}
function makeFormatFunction(format) {
var array = format.match(formattingTokens), i, length;
for (i = 0, length = array.length; i < length; i++) {
if (formatTokenFunctions[array[i]]) {
array[i] = formatTokenFunctions[array[i]];
} else {
array[i] = removeFormattingTokens(array[i]);
}
}
return function (mom) {
var output = "";
for (i = 0; i < length; i++) {
output += array[i] instanceof Function ? array[i].call(mom, format) : array[i];
}
return output;
};
}
// format date using native date object
function formatMoment(m, format) {
var i = 5;
function replaceLongDateFormatTokens(input) {
return m.lang().longDateFormat(input) || input;
}
while (i-- && localFormattingTokens.test(format)) {
format = format.replace(localFormattingTokens, replaceLongDateFormatTokens);
}
if (!formatFunctions[format]) {
formatFunctions[format] = makeFormatFunction(format);
}
return formatFunctions[format](m);
}
/************************************
Parsing
************************************/
// get the regex to find the next token
function getParseRegexForToken(token, config) {
switch (token) {
case 'DDDD':
return parseTokenThreeDigits;
case 'YYYY':
return parseTokenFourDigits;
case 'YYYYY':
return parseTokenSixDigits;
case 'S':
case 'SS':
case 'SSS':
case 'DDD':
return parseTokenOneToThreeDigits;
case 'MMM':
case 'MMMM':
case 'dd':
case 'ddd':
case 'dddd':
return parseTokenWord;
case 'a':
case 'A':
return getLangDefinition(config._l)._meridiemParse;
case 'X':
return parseTokenTimestampMs;
case 'Z':
case 'ZZ':
return parseTokenTimezone;
case 'T':
return parseTokenT;
case 'MM':
case 'DD':
case 'YY':
case 'HH':
case 'hh':
case 'mm':
case 'ss':
case 'M':
case 'D':
case 'd':
case 'H':
case 'h':
case 'm':
case 's':
return parseTokenOneOrTwoDigits;
default :
return new RegExp(token.replace('\\', ''));
}
}
function timezoneMinutesFromString(string) {
var tzchunk = (parseTokenTimezone.exec(string) || [])[0],
parts = (tzchunk + '').match(parseTimezoneChunker) || ['-', 0, 0],
minutes = +(parts[1] * 60) + ~~parts[2];
return parts[0] === '+' ? -minutes : minutes;
}
// function to convert string input to date
function addTimeToArrayFromToken(token, input, config) {
var a, b,
datePartArray = config._a;
switch (token) {
// MONTH
case 'M' : // fall through to MM
case 'MM' :
datePartArray[1] = (input == null) ? 0 : ~~input - 1;
break;
case 'MMM' : // fall through to MMMM
case 'MMMM' :
a = getLangDefinition(config._l).monthsParse(input);
// if we didn't find a month name, mark the date as invalid.
if (a != null) {
datePartArray[1] = a;
} else {
config._isValid = false;
}
break;
// DAY OF MONTH
case 'D' : // fall through to DDDD
case 'DD' : // fall through to DDDD
case 'DDD' : // fall through to DDDD
case 'DDDD' :
if (input != null) {
datePartArray[2] = ~~input;
}
break;
// YEAR
case 'YY' :
datePartArray[0] = ~~input + (~~input > 68 ? 1900 : 2000);
break;
case 'YYYY' :
case 'YYYYY' :
datePartArray[0] = ~~input;
break;
// AM / PM
case 'a' : // fall through to A
case 'A' :
config._isPm = getLangDefinition(config._l).isPM(input);
break;
// 24 HOUR
case 'H' : // fall through to hh
case 'HH' : // fall through to hh
case 'h' : // fall through to hh
case 'hh' :
datePartArray[3] = ~~input;
break;
// MINUTE
case 'm' : // fall through to mm
case 'mm' :
datePartArray[4] = ~~input;
break;
// SECOND
case 's' : // fall through to ss
case 'ss' :
datePartArray[5] = ~~input;
break;
// MILLISECOND
case 'S' :
case 'SS' :
case 'SSS' :
datePartArray[6] = ~~ (('0.' + input) * 1000);
break;
// UNIX TIMESTAMP WITH MS
case 'X':
config._d = new Date(parseFloat(input) * 1000);
break;
// TIMEZONE
case 'Z' : // fall through to ZZ
case 'ZZ' :
config._useUTC = true;
config._tzm = timezoneMinutesFromString(input);
break;
}
// if the input is null, the date is not valid
if (input == null) {
config._isValid = false;
}
}
// 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 dateFromArray(config) {
var i, date, input = [];
if (config._d) {
return;
}
for (i = 0; i < 7; i++) {
config._a[i] = input[i] = (config._a[i] == null) ? (i === 2 ? 1 : 0) : config._a[i];
}
// add the offsets to the time to be parsed so that we can have a clean array for checking isValid
input[3] += ~~((config._tzm || 0) / 60);
input[4] += ~~((config._tzm || 0) % 60);
date = new Date(0);
if (config._useUTC) {
date.setUTCFullYear(input[0], input[1], input[2]);
date.setUTCHours(input[3], input[4], input[5], input[6]);
} else {
date.setFullYear(input[0], input[1], input[2]);
date.setHours(input[3], input[4], input[5], input[6]);
}
config._d = date;
}
// date from string and format string
function makeDateFromStringAndFormat(config) {
// This array is used to make a Date, either with `new Date` or `Date.UTC`
var tokens = config._f.match(formattingTokens),
string = config._i,
i, parsedInput;
config._a = [];
for (i = 0; i < tokens.length; i++) {
parsedInput = (getParseRegexForToken(tokens[i], config).exec(string) || [])[0];
if (parsedInput) {
string = string.slice(string.indexOf(parsedInput) + parsedInput.length);
}
// don't parse if its not a known token
if (formatTokenFunctions[tokens[i]]) {
addTimeToArrayFromToken(tokens[i], parsedInput, config);
}
}
// add remaining unparsed input to the string
if (string) {
config._il = string;
}
// handle am pm
if (config._isPm && config._a[3] < 12) {
config._a[3] += 12;
}
// if is 12 am, change hours to 0
if (config._isPm === false && config._a[3] === 12) {
config._a[3] = 0;
}
// return
dateFromArray(config);
}
// date from string and array of format strings
function makeDateFromStringAndArray(config) {
var tempConfig,
tempMoment,
bestMoment,
scoreToBeat = 99,
i,
currentScore;
for (i = 0; i < config._f.length; i++) {
tempConfig = extend({}, config);
tempConfig._f = config._f[i];
makeDateFromStringAndFormat(tempConfig);
tempMoment = new Moment(tempConfig);
currentScore = compareArrays(tempConfig._a, tempMoment.toArray());
// if there is any input that was not parsed
// add a penalty for that format
if (tempMoment._il) {
currentScore += tempMoment._il.length;
}
if (currentScore < scoreToBeat) {
scoreToBeat = currentScore;
bestMoment = tempMoment;
}
}
extend(config, bestMoment);
}
// date from iso format
function makeDateFromString(config) {
var i,
string = config._i,
match = isoRegex.exec(string);
if (match) {
// match[2] should be "T" or undefined
config._f = 'YYYY-MM-DD' + (match[2] || " ");
for (i = 0; i < 4; i++) {
if (isoTimes[i][1].exec(string)) {
config._f += isoTimes[i][0];
break;
}
}
if (parseTokenTimezone.exec(string)) {
config._f += " Z";
}
makeDateFromStringAndFormat(config);
} else {
config._d = new Date(string);
}
}
function makeDateFromInput(config) {
var input = config._i,
matched = aspNetJsonRegex.exec(input);
if (input === undefined) {
config._d = new Date();
} else if (matched) {
config._d = new Date(+matched[1]);
} else if (typeof input === 'string') {
makeDateFromString(config);
} else if (isArray(input)) {
config._a = input.slice(0);
dateFromArray(config);
} else {
config._d = input instanceof Date ? new Date(+input) : new Date(input);
}
}
/************************************
Relative Time
************************************/
// helper function for moment.fn.from, moment.fn.fromNow, and moment.duration.fn.humanize
function substituteTimeAgo(string, number, withoutSuffix, isFuture, lang) {
return lang.relativeTime(number || 1, !!withoutSuffix, string, isFuture);
}
function relativeTime(milliseconds, withoutSuffix, lang) {
var seconds = round(Math.abs(milliseconds) / 1000),
minutes = round(seconds / 60),
hours = round(minutes / 60),
days = round(hours / 24),
years = round(days / 365),
args = seconds < 45 && ['s', seconds] ||
minutes === 1 && ['m'] ||
minutes < 45 && ['mm', minutes] ||
hours === 1 && ['h'] ||
hours < 22 && ['hh', hours] ||
days === 1 && ['d'] ||
days <= 25 && ['dd', days] ||
days <= 45 && ['M'] ||
days < 345 && ['MM', round(days / 30)] ||
years === 1 && ['y'] || ['yy', years];
args[2] = withoutSuffix;
args[3] = milliseconds > 0;
args[4] = lang;
return substituteTimeAgo.apply({}, args);
}
/************************************
Week of Year
************************************/
// firstDayOfWeek 0 = sun, 6 = sat
// the day of the week that starts the week
// (usually sunday or monday)
// firstDayOfWeekOfYear 0 = sun, 6 = sat
// the first week is the week that contains the first
// of this day of the week
// (eg. ISO weeks use thursday (4))
function weekOfYear(mom, firstDayOfWeek, firstDayOfWeekOfYear) {
var end = firstDayOfWeekOfYear - firstDayOfWeek,
daysToDayOfWeek = firstDayOfWeekOfYear - mom.day(),
adjustedMoment;
if (daysToDayOfWeek > end) {
daysToDayOfWeek -= 7;
}
if (daysToDayOfWeek < end - 7) {
daysToDayOfWeek += 7;
}
adjustedMoment = moment(mom).add('d', daysToDayOfWeek);
return {
week: Math.ceil(adjustedMoment.dayOfYear() / 7),
year: adjustedMoment.year()
};
}
/************************************
Top Level Functions
************************************/
function makeMoment(config) {
var input = config._i,
format = config._f;
if (input === null || input === '') {
return null;
}
if (typeof input === 'string') {
config._i = input = getLangDefinition().preparse(input);
}
if (moment.isMoment(input)) {
config = extend({}, input);
config._d = new Date(+input._d);
} else if (format) {
if (isArray(format)) {
makeDateFromStringAndArray(config);
} else {
makeDateFromStringAndFormat(config);
}
} else {
makeDateFromInput(config);
}
return new Moment(config);
}
moment = function (input, format, lang) {
return makeMoment({
_i : input,
_f : format,
_l : lang,
_isUTC : false
});
};
// creating with utc
moment.utc = function (input, format, lang) {
return makeMoment({
_useUTC : true,
_isUTC : true,
_l : lang,
_i : input,
_f : format
});
};
// creating with unix timestamp (in seconds)
moment.unix = function (input) {
return moment(input * 1000);
};
// duration
moment.duration = function (input, key) {
var isDuration = moment.isDuration(input),
isNumber = (typeof input === 'number'),
duration = (isDuration ? input._data : (isNumber ? {} : input)),
matched = aspNetTimeSpanJsonRegex.exec(input),
sign,
ret;
if (isNumber) {
if (key) {
duration[key] = input;
} else {
duration.milliseconds = input;
}
} else if (matched) {
sign = (matched[1] === "-") ? -1 : 1;
duration = {
y: 0,
d: ~~matched[2] * sign,
h: ~~matched[3] * sign,
m: ~~matched[4] * sign,
s: ~~matched[5] * sign,
ms: ~~matched[6] * sign
};
}
ret = new Duration(duration);
if (isDuration && input.hasOwnProperty('_lang')) {
ret._lang = input._lang;
}
return ret;
};
// version number
moment.version = VERSION;
// default format
moment.defaultFormat = isoFormat;
// This function will be called whenever a moment is mutated.
// It is intended to keep the offset in sync with the timezone.
moment.updateOffset = function () {};
// This function will load languages and then set the global language. If
// no arguments are passed in, it will simply return the current global
// language key.
moment.lang = function (key, values) {
var i;
if (!key) {
return moment.fn._lang._abbr;
}
if (values) {
loadLang(key, values);
} else if (!languages[key]) {
getLangDefinition(key);
}
moment.duration.fn._lang = moment.fn._lang = getLangDefinition(key);
};
// returns language data
moment.langData = function (key) {
if (key && key._lang && key._lang._abbr) {
key = key._lang._abbr;
}
return getLangDefinition(key);
};
// compare moment object
moment.isMoment = function (obj) {
return obj instanceof Moment;
};
// for typechecking Duration objects
moment.isDuration = function (obj) {
return obj instanceof Duration;
};
/************************************
Moment Prototype
************************************/
moment.fn = Moment.prototype = {
clone : function () {
return moment(this);
},
valueOf : function () {
return +this._d + ((this._offset || 0) * 60000);
},
unix : function () {
return Math.floor(+this / 1000);
},
toString : function () {
return this.format("ddd MMM DD YYYY HH:mm:ss [GMT]ZZ");
},
toDate : function () {
return this._offset ? new Date(+this) : this._d;
},
toISOString : function () {
return formatMoment(moment(this).utc(), 'YYYY-MM-DD[T]HH:mm:ss.SSS[Z]');
},
toArray : function () {
var m = this;
return [
m.year(),
m.month(),
m.date(),
m.hours(),
m.minutes(),
m.seconds(),
m.milliseconds()
];
},
isValid : function () {
if (this._isValid == null) {
if (this._a) {
this._isValid = !compareArrays(this._a, (this._isUTC ? moment.utc(this._a) : moment(this._a)).toArray());
} else {
this._isValid = !isNaN(this._d.getTime());
}
}
return !!this._isValid;
},
utc : function () {
return this.zone(0);
},
local : function () {
this.zone(0);
this._isUTC = false;
return this;
},
format : function (inputString) {
var output = formatMoment(this, inputString || moment.defaultFormat);
return this.lang().postformat(output);
},
add : function (input, val) {
var dur;
// switch args to support add('s', 1) and add(1, 's')
if (typeof input === 'string') {
dur = moment.duration(+val, input);
} else {
dur = moment.duration(input, val);
}
addOrSubtractDurationFromMoment(this, dur, 1);
return this;
},
subtract : function (input, val) {
var dur;
// switch args to support subtract('s', 1) and subtract(1, 's')
if (typeof input === 'string') {
dur = moment.duration(+val, input);
} else {
dur = moment.duration(input, val);
}
addOrSubtractDurationFromMoment(this, dur, -1);
return this;
},
diff : function (input, units, asFloat) {
var that = this._isUTC ? moment(input).zone(this._offset || 0) : moment(input).local(),
zoneDiff = (this.zone() - that.zone()) * 6e4,
diff, output;
units = normalizeUnits(units);
if (units === 'year' || units === 'month') {
diff = (this.daysInMonth() + that.daysInMonth()) * 432e5; // 24 * 60 * 60 * 1000 / 2
output = ((this.year() - that.year()) * 12) + (this.month() - that.month());
output += ((this - moment(this).startOf('month')) - (that - moment(that).startOf('month'))) / diff;
if (units === 'year') {
output = output / 12;
}
} else {
diff = (this - that) - zoneDiff;
output = units === 'second' ? diff / 1e3 : // 1000
units === 'minute' ? diff / 6e4 : // 1000 * 60
units === 'hour' ? diff / 36e5 : // 1000 * 60 * 60
units === 'day' ? diff / 864e5 : // 1000 * 60 * 60 * 24
units === 'week' ? diff / 6048e5 : // 1000 * 60 * 60 * 24 * 7
diff;
}
return asFloat ? output : absRound(output);
},
from : function (time, withoutSuffix) {
return moment.duration(this.diff(time)).lang(this.lang()._abbr).humanize(!withoutSuffix);
},
fromNow : function (withoutSuffix) {
return this.from(moment(), withoutSuffix);
},
calendar : function () {
var diff = this.diff(moment().startOf('day'), 'days', true),
format = diff < -6 ? 'sameElse' :
diff < -1 ? 'lastWeek' :
diff < 0 ? 'lastDay' :
diff < 1 ? 'sameDay' :
diff < 2 ? 'nextDay' :
diff < 7 ? 'nextWeek' : 'sameElse';
return this.format(this.lang().calendar(format, this));
},
isLeapYear : function () {
var year = this.year();
return (year % 4 === 0 && year % 100 !== 0) || year % 400 === 0;
},
isDST : function () {
return (this.zone() < this.clone().month(0).zone() ||
this.zone() < this.clone().month(5).zone());
},
day : function (input) {
var day = this._isUTC ? this._d.getUTCDay() : this._d.getDay();
if (input != null) {
if (typeof input === 'string') {
input = this.lang().weekdaysParse(input);
if (typeof input !== 'number') {
return this;
}
}
return this.add({ d : input - day });
} else {
return day;
}
},
month : function (input) {
var utc = this._isUTC ? 'UTC' : '';
if (input != null) {
if (typeof input === 'string') {
input = this.lang().monthsParse(input);
if (typeof input !== 'number') {
return this;
}
}
this._d['set' + utc + 'Month'](input);
moment.updateOffset(this);
return this;
} else {
return this._d['get' + utc + 'Month']();
}
},
startOf: function (units) {
units = normalizeUnits(units);
// the following switch intentionally omits break keywords
// to utilize falling through the cases.
switch (units) {
case 'year':
this.month(0);
/* falls through */
case 'month':
this.date(1);
/* falls through */
case 'week':
case 'day':
this.hours(0);
/* falls through */
case 'hour':
this.minutes(0);
/* falls through */
case 'minute':
this.seconds(0);
/* falls through */
case 'second':
this.milliseconds(0);
/* falls through */
}
// weeks are a special case
if (units === 'week') {
this.weekday(0);
}
return this;
},
endOf: function (units) {
return this.startOf(units).add(units, 1).subtract('ms', 1);
},
isAfter: function (input, units) {
units = typeof units !== 'undefined' ? units : 'millisecond';
return +this.clone().startOf(units) > +moment(input).startOf(units);
},
isBefore: function (input, units) {
units = typeof units !== 'undefined' ? units : 'millisecond';
return +this.clone().startOf(units) < +moment(input).startOf(units);
},
isSame: function (input, units) {
units = typeof units !== 'undefined' ? units : 'millisecond';
return +this.clone().startOf(units) === +moment(input).startOf(units);
},
min: function (other) {
other = moment.apply(null, arguments);
return other < this ? this : other;
},
max: function (other) {
other = moment.apply(null, arguments);
return other > this ? this : other;
},
zone : function (input) {
var offset = this._offset || 0;
if (input != null) {
if (typeof input === "string") {
input = timezoneMinutesFromString(input);
}
if (Math.abs(input) < 16) {
input = input * 60;
}
this._offset = input;
this._isUTC = true;
if (offset !== input) {
addOrSubtractDurationFromMoment(this, moment.duration(offset - input, 'm'), 1, true);
}
} else {
return this._isUTC ? offset : this._d.getTimezoneOffset();
}
return this;
},
zoneAbbr : function () {
return this._isUTC ? "UTC" : "";
},
zoneName : function () {
return this._isUTC ? "Coordinated Universal Time" : "";
},
daysInMonth : function () {
return moment.utc([this.year(), this.month() + 1, 0]).date();
},
dayOfYear : function (input) {
var dayOfYear = round((moment(this).startOf('day') - moment(this).startOf('year')) / 864e5) + 1;
return input == null ? dayOfYear : this.add("d", (input - dayOfYear));
},
weekYear : function (input) {
var year = weekOfYear(this, this.lang()._week.dow, this.lang()._week.doy).year;
return input == null ? year : this.add("y", (input - year));
},
isoWeekYear : function (input) {
var year = weekOfYear(this, 1, 4).year;
return input == null ? year : this.add("y", (input - year));
},
week : function (input) {
var week = this.lang().week(this);
return input == null ? week : this.add("d", (input - week) * 7);
},
isoWeek : function (input) {
var week = weekOfYear(this, 1, 4).week;
return input == null ? week : this.add("d", (input - week) * 7);
},
weekday : function (input) {
var weekday = (this._d.getDay() + 7 - this.lang()._week.dow) % 7;
return input == null ? weekday : this.add("d", input - weekday);
},
isoWeekday : function (input) {
// iso weeks start on monday, which is 1, so we subtract 1 (and add
// 7 for negative mod to work).
var weekday = (this._d.getDay() + 6) % 7;
return input == null ? weekday : this.add("d", input - weekday);
},
// If passed a language key, it will set the language for this
// instance. Otherwise, it will return the language configuration
// variables for this instance.
lang : function (key) {
if (key === undefined) {
return this._lang;
} else {
this._lang = getLangDefinition(key);
return this;
}
}
};
// helper for adding shortcuts
function makeGetterAndSetter(name, key) {
moment.fn[name] = moment.fn[name + 's'] = function (input) {
var utc = this._isUTC ? 'UTC' : '';
if (input != null) {
this._d['set' + utc + key](input);
moment.updateOffset(this);
return this;
} else {
return this._d['get' + utc + key]();
}
};
}
// loop through and add shortcuts (Month, Date, Hours, Minutes, Seconds, Milliseconds)
for (i = 0; i < proxyGettersAndSetters.length; i ++) {
makeGetterAndSetter(proxyGettersAndSetters[i].toLowerCase().replace(/s$/, ''), proxyGettersAndSetters[i]);
}
// add shortcut for year (uses different syntax than the getter/setter 'year' == 'FullYear')
makeGetterAndSetter('year', 'FullYear');
// add plural methods
moment.fn.days = moment.fn.day;
moment.fn.months = moment.fn.month;
moment.fn.weeks = moment.fn.week;
moment.fn.isoWeeks = moment.fn.isoWeek;
// add aliased format methods
moment.fn.toJSON = moment.fn.toISOString;
/************************************
Duration Prototype
************************************/
moment.duration.fn = Duration.prototype = {
weeks : function () {
return absRound(this.days() / 7);
},
valueOf : function () {
return this._milliseconds +
this._days * 864e5 +
(this._months % 12) * 2592e6 +
~~(this._months / 12) * 31536e6;
},
humanize : function (withSuffix) {
var difference = +this,
output = relativeTime(difference, !withSuffix, this.lang());
if (withSuffix) {
output = this.lang().pastFuture(difference, output);
}
return this.lang().postformat(output);
},
add : function (input, val) {
// supports only 2.0-style add(1, 's') or add(moment)
var dur = moment.duration(input, val);
this._milliseconds += dur._milliseconds;
this._days += dur._days;
this._months += dur._months;
return this;
},
subtract : function (input, val) {
var dur = moment.duration(input, val);
this._milliseconds -= dur._milliseconds;
this._days -= dur._days;
this._months -= dur._months;
return this;
},
get : function (units) {
units = normalizeUnits(units);
return this[units.toLowerCase() + 's']();
},
as : function (units) {
units = normalizeUnits(units);
return this['as' + units.charAt(0).toUpperCase() + units.slice(1) + 's']();
},
lang : moment.fn.lang
};
function makeDurationGetter(name) {
moment.duration.fn[name] = function () {
return this._data[name];
};
}
function makeDurationAsGetter(name, factor) {
moment.duration.fn['as' + name] = function () {
return +this / factor;
};
}
for (i in unitMillisecondFactors) {
if (unitMillisecondFactors.hasOwnProperty(i)) {
makeDurationAsGetter(i, unitMillisecondFactors[i]);
makeDurationGetter(i.toLowerCase());
}
}
makeDurationAsGetter('Weeks', 6048e5);
moment.duration.fn.asMonths = function () {
return (+this - this.years() * 31536e6) / 2592e6 + this.years() * 12;
};
/************************************
Default Lang
************************************/
// Set default language, other languages will inherit from English.
moment.lang('en', {
ordinal : function (number) {
var b = number % 10,
output = (~~ (number % 100 / 10) === 1) ? 'th' :
(b === 1) ? 'st' :
(b === 2) ? 'nd' :
(b === 3) ? 'rd' : 'th';
return number + output;
}
});
/************************************
Exposing Moment
************************************/
// CommonJS module is defined
if (hasModule) {
module.exports = moment;
}
/*global ender:false */
if (typeof ender === 'undefined') {
// here, `this` means `window` in the browser, or `global` on the server
// add `moment` as a global object via a string identifier,
// for Closure Compiler "advanced" mode
this['moment'] = moment;
}
/*global define:false */
if (typeof define === "function" && define.amd) {
define("moment", [], function () {
return moment;
});
}
}).call(this);
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