|
- // Date Format 1.2.3\\
- // © 2007-2009 Steven Levithan ([[http://blog.stevenlevithan.com/archives/date-time-format|stevenlevithan.com]])\\
- // MIT license
- //
- // Includes enhancements by Scott Trenda
- // and Kris Kowal ([[http://cixar.com/~kris.kowal/|cixar.com/~kris.kowal/]])
- //
- // Accepts a date, a mask, or a date and a mask and returns a formatted version
- // of the given date.
- //
- // ==== Parameters ====
- // * {{{date}}} is a {{{Date()}}} object. If not specified, the date defaults to the
- // current date/time.
- // * {{{mask}}} is a string that defines the formatting of the date. Formatting
- // options can be found in the
- // [[http://blog.stevenlevithan.com/archives/date-time-format|Date Format]]
- // documentation. If not specified, the mask defaults to {{{dateFormat.masks.default}}}.
-
- var dateFormat = function() {
- var token = /d{1,4}|m{1,4}|yy(?:yy)?|([HhMsTt])\1?|[LloSZ]|"[^"]*"|'[^']*'/g,
- timezone = new RegExp('\b(?:[PMCEA][SDP]T|(?:Pacific|Mountain|Central|Eastern|Atlantic) ' +
- '(?:Standard|Daylight|Prevailing) Time|(?:GMT|UTC)(?:[-+]\d{4})?)\b',
- 'g'),
- timezoneClip = /[^-+\dA-Z]/g,
- pad = function (val, len) {
- val = String(val);
- len = len || 2;
- while (val.length < len) val = "0" + val;
- return val;
- };
-
- // Regexes and supporting functions are cached through closure
- return function (date, mask, utc) {
- // You can't provide utc if you skip other args (use the "UTC:" mask prefix)
- if (arguments.length == 1 && Object.prototype.toString.call(date) ==
- "[object String]" && !/\d/.test(date)) {
- mask = date;
- date = undefined;
- }
-
- // Passing date through Date applies Date.parse, if necessary
- date = date ? new Date(date) : new Date;
- if (isNaN(date)) throw SyntaxError("invalid date");
-
- mask = String(dateFormat.masks[mask] ||
- mask ||
- dateFormat.masks["default"]);
-
- // Allow setting the utc argument via the mask
- if (mask.slice(0, 4) == "UTC:") {
- mask = mask.slice(4);
- utc = true;
- }
-
- var _ = utc ? "getUTC" : "get",
- d = date[_ + "Date"](),
- D = date[_ + "Day"](),
- m = date[_ + "Month"](),
- y = date[_ + "FullYear"](),
- H = date[_ + "Hours"](),
- M = date[_ + "Minutes"](),
- s = date[_ + "Seconds"](),
- L = date[_ + "Milliseconds"](),
- o = utc ? 0 : date.getTimezoneOffset(),
- flags = {
- d: d,
- dd: pad(d),
- ddd: AjaxIM.l10n.dayNames[D],
- dddd: AjaxIM.l10n.dayNames[D + 7],
- m: m + 1,
- mm: pad(m + 1),
- mmm: AjaxIM.l10n.monthNames[m],
- mmmm: AjaxIM.l10n.monthNames[m + 12],
- yy: String(y).slice(2),
- yyyy: y,
- h: H % 12 || 12,
- hh: pad(H % 12 || 12),
- H: H,
- HH: pad(H),
- M: M,
- MM: pad(M),
- s: s,
- ss: pad(s),
- l: pad(L, 3),
- L: pad(L > 99 ? Math.round(L / 10) : L),
- t: H < 12 ? "a" : "p",
- tt: H < 12 ? "am" : "pm",
- T: H < 12 ? "A" : "P",
- TT: H < 12 ? "AM" : "PM",
- Z: utc ? "UTC" :
- (String(date).match(timezone) || [""])
- .pop().replace(timezoneClip, ""),
- o: (o > 0 ? "-" : "+") +
- pad(Math.floor(Math.abs(o) / 60) * 100 + Math.abs(o) % 60, 4),
- S: ["th", "st", "nd", "rd"][d % 10 > 3 ?
- 0 :
- (d % 100 - d % 10 != 10) * d % 10]
- };
-
- return mask.replace(token, function ($0) {
- return $0 in flags ? flags[$0] : $0.slice(1, $0.length - 1);
- });
- };
- }();
-
- // Some common format strings
- dateFormat.masks = {
- "default": "ddd mmm dd yyyy HH:MM:ss",
- shortDate: "m/d/yy",
- mediumDate: "mmm d, yyyy",
- longDate: "mmmm d, yyyy",
- fullDate: "dddd, mmmm d, yyyy",
- shortTime: "h:MM TT",
- mediumTime: "h:MM:ss TT",
- longTime: "h:MM:ss TT Z",
- isoDate: "yyyy-mm-dd",
- isoTime: "HH:MM:ss",
- isoDateTime: "yyyy-mm-dd'T'HH:MM:ss",
- isoUtcDateTime: "UTC:yyyy-mm-dd'T'HH:MM:ss'Z'"
- };
|