removed the extensions to Date, put them in their own library
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lib/date_format.js
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60
lib/date_format.js
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exports.ISO8601_FORMAT = "yyyy-MM-dd hh:mm:ss.SSS";
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exports.ISO8601_WITH_TZ_OFFSET_FORMAT = "yyyy-MM-ddThh:mm:ssO";
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exports.DATETIME_FORMAT = "dd MM yyyy hh:mm:ss.SSS";
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exports.ABSOLUTETIME_FORMAT = "hh:mm:ss.SSS";
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exports.asString = function(/*format,*/ date) {
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var format = exports.ISO8601_FORMAT;
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if (typeof(date) === "string") {
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format = arguments[0];
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date = arguments[1];
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}
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var vDay = addZero(date.getDate());
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var vMonth = addZero(date.getMonth()+1);
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var vYearLong = addZero(date.getFullYear());
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var vYearShort = addZero(date.getFullYear().toString().substring(3,4));
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var vYear = (format.indexOf("yyyy") > -1 ? vYearLong : vYearShort);
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var vHour = addZero(date.getHours());
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var vMinute = addZero(date.getMinutes());
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var vSecond = addZero(date.getSeconds());
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var vMillisecond = padWithZeros(date.getMilliseconds(), 3);
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var vTimeZone = offset(date);
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var formatted = format
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.replace(/dd/g, vDay)
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.replace(/MM/g, vMonth)
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.replace(/y{1,4}/g, vYear)
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.replace(/hh/g, vHour)
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.replace(/mm/g, vMinute)
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.replace(/ss/g, vSecond)
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.replace(/SSS/g, vMillisecond)
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.replace(/O/g, vTimeZone);
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return formatted;
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function padWithZeros(vNumber, width) {
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var numAsString = vNumber + "";
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while (numAsString.length < width) {
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numAsString = "0" + numAsString;
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}
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return numAsString;
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}
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function addZero(vNumber) {
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return padWithZeros(vNumber, 2);
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}
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/**
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* Formats the TimeOffest
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* Thanks to http://www.svendtofte.com/code/date_format/
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* @private
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*/
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function offset(date) {
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// Difference to Greenwich time (GMT) in hours
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var os = Math.abs(date.getTimezoneOffset());
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var h = String(Math.floor(os/60));
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var m = String(os%60);
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h.length == 1? h = "0"+h:1;
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m.length == 1? m = "0"+m:1;
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return date.getTimezoneOffset() < 0 ? "+"+h+m : "-"+h+m;
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}
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};
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23
test/date_format.js
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23
test/date_format.js
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var vows = require('vows')
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, assert = require('assert')
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, dateFormat = require('../lib/date_format');
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vows.describe('date_format').addBatch({
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'Date extensions': {
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topic: function() {
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return new Date(2010, 0, 11, 14, 31, 30, 5);
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},
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'should format a date as string using a pattern': function(date) {
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assert.equal(
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dateFormat.asString(dateFormat.DATETIME_FORMAT, date),
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"11 01 2010 14:31:30.005"
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);
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},
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'should default to the ISO8601 format': function(date) {
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assert.equal(
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dateFormat.asString(date),
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'2010-01-11 14:31:30.005'
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);
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}
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}
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}).export(module);
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