/
iso8601.js
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/
iso8601.js
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// Written by Paul Sowden, 2005
// http://delete.me.uk/2005/03/iso8601.html
// Released under the Academic Free License
Date.prototype.setISO8601 = function (string) {
var regexp = "([0-9]{4})(-([0-9]{2})(-([0-9]{2})" +
"(T([0-9]{2}):([0-9]{2})(:([0-9]{2})(\.([0-9]+))?)?" +
"(Z|(([-+])([0-9]{2}):([0-9]{2})))?)?)?)?";
var d = string.match(new RegExp(regexp));
var offset = 0;
var date = new Date(d[1], 0, 1);
if (d[3]) { date.setMonth(d[3] - 1); }
if (d[5]) { date.setDate(d[5]); }
if (d[7]) { date.setHours(d[7]); }
if (d[8]) { date.setMinutes(d[8]); }
if (d[10]) { date.setSeconds(d[10]); }
if (d[12]) { date.setMilliseconds(Number("0." + d[12]) * 1000); }
if (d[14]) {
offset = (Number(d[16]) * 60) + Number(d[17]);
offset *= ((d[15] == '-') ? 1 : -1);
}
offset -= date.getTimezoneOffset();
time = (Number(date) + (offset * 60 * 1000));
this.setTime(Number(time));
}
Date.prototype.iso8601 = function (format, offset) {
/* accepted values for the format [1-6]:
1 Year:
YYYY (eg 1997)
2 Year and month:
YYYY-MM (eg 1997-07)
3 Complete date:
YYYY-MM-DD (eg 1997-07-16)
4 Complete date plus hours and minutes:
YYYY-MM-DDThh:mmTZD (eg 1997-07-16T19:20+01:00)
5 Complete date plus hours, minutes and seconds:
YYYY-MM-DDThh:mm:ssTZD (eg 1997-07-16T19:20:30+01:00)
6 Complete date plus hours, minutes, seconds and a decimal
fraction of a second
YYYY-MM-DDThh:mm:ss.sTZD (eg 1997-07-16T19:20:30.45+01:00)
*/
if (!format) { var format = 6; }
if (!offset) {
var offset = 'Z';
var date = this;
} else {
var d = offset.match(/([-+])([0-9]{2}):([0-9]{2})/);
var offsetnum = (Number(d[2]) * 60) + Number(d[3]);
offsetnum *= ((d[1] == '-') ? -1 : 1);
var date = new Date(Number(Number(this) + (offsetnum * 60000)));
}
var zeropad = function (num) { return ((num < 10) ? '0' : '') + num; }
var str = "";
str += date.getUTCFullYear();
if (format > 1) { str += "-" + zeropad(date.getUTCMonth() + 1); }
if (format > 2) { str += "-" + zeropad(date.getUTCDate()); }
if (format > 3) {
str += "T" + zeropad(date.getUTCHours()) +
":" + zeropad(date.getUTCMinutes());
}
if (format > 5) {
var secs = Number(date.getUTCSeconds() + "." +
((date.getUTCMilliseconds() < 100) ? '0' : '') +
zeropad(date.getUTCMilliseconds()));
str += ":" + zeropad(secs);
} else if (format > 4) { str += ":" + zeropad(date.getUTCSeconds()); }
if (format > 3) { str += offset; }
return str;
}