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removed the extensions to Date, put them in their own library

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commit 8767cda15ff122042fb05724354b308224379b95 1 parent 8eaff77
@nomiddlename authored
Showing with 83 additions and 0 deletions.
  1. +60 −0 lib/date_format.js
  2. +23 −0 test/date_format.js
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60 lib/date_format.js
@@ -0,0 +1,60 @@
+exports.ISO8601_FORMAT = "yyyy-MM-dd hh:mm:ss.SSS";
+exports.ISO8601_WITH_TZ_OFFSET_FORMAT = "yyyy-MM-ddThh:mm:ssO";
+exports.DATETIME_FORMAT = "dd MM yyyy hh:mm:ss.SSS";
+exports.ABSOLUTETIME_FORMAT = "hh:mm:ss.SSS";
+
+exports.asString = function(/*format,*/ date) {
+ var format = exports.ISO8601_FORMAT;
+ if (typeof(date) === "string") {
+ format = arguments[0];
+ date = arguments[1];
+ }
+
+ var vDay = addZero(date.getDate());
+ var vMonth = addZero(date.getMonth()+1);
+ var vYearLong = addZero(date.getFullYear());
+ var vYearShort = addZero(date.getFullYear().toString().substring(3,4));
+ var vYear = (format.indexOf("yyyy") > -1 ? vYearLong : vYearShort);
+ var vHour = addZero(date.getHours());
+ var vMinute = addZero(date.getMinutes());
+ var vSecond = addZero(date.getSeconds());
+ var vMillisecond = padWithZeros(date.getMilliseconds(), 3);
+ var vTimeZone = offset(date);
+ var formatted = format
+ .replace(/dd/g, vDay)
+ .replace(/MM/g, vMonth)
+ .replace(/y{1,4}/g, vYear)
+ .replace(/hh/g, vHour)
+ .replace(/mm/g, vMinute)
+ .replace(/ss/g, vSecond)
+ .replace(/SSS/g, vMillisecond)
+ .replace(/O/g, vTimeZone);
+ return formatted;
+
+ function padWithZeros(vNumber, width) {
+ var numAsString = vNumber + "";
+ while (numAsString.length < width) {
+ numAsString = "0" + numAsString;
+ }
+ return numAsString;
+ }
+
+ function addZero(vNumber) {
+ return padWithZeros(vNumber, 2);
+ }
+
+ /**
+ * Formats the TimeOffest
+ * Thanks to http://www.svendtofte.com/code/date_format/
+ * @private
+ */
+ function offset(date) {
+ // Difference to Greenwich time (GMT) in hours
+ var os = Math.abs(date.getTimezoneOffset());
+ var h = String(Math.floor(os/60));
+ var m = String(os%60);
+ h.length == 1? h = "0"+h:1;
+ m.length == 1? m = "0"+m:1;
+ return date.getTimezoneOffset() < 0 ? "+"+h+m : "-"+h+m;
+ }
+};
View
23 test/date_format.js
@@ -0,0 +1,23 @@
+var vows = require('vows')
+, assert = require('assert')
+, dateFormat = require('../lib/date_format');
+
+vows.describe('date_format').addBatch({
+ 'Date extensions': {
+ topic: function() {
+ return new Date(2010, 0, 11, 14, 31, 30, 5);
+ },
+ 'should format a date as string using a pattern': function(date) {
+ assert.equal(
+ dateFormat.asString(dateFormat.DATETIME_FORMAT, date),
+ "11 01 2010 14:31:30.005"
+ );
+ },
+ 'should default to the ISO8601 format': function(date) {
+ assert.equal(
+ dateFormat.asString(date),
+ '2010-01-11 14:31:30.005'
+ );
+ }
+ }
+}).export(module);
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