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YYYY-MM-DD date support (closes #2)

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Olly Smith 2012-02-23 22:15:07 +00:00
parent f740d80c14
commit 1e61298d7c
1 changed files with 17 additions and 4 deletions
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21
morris.js
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@ -1,17 +1,30 @@
/*global jQuery: false, Raphael: false */
function parse_year(year) {
var m = year.toString().match(/(\d+) Q(\d)/);
var n = year.toString().match(/(\d+)\-(\d+)/);
function parse_year(date) {
var m = date.toString().match(/^(\d+) Q(\d)$/);
var n = date.toString().match(/^(\d+)-(\d+)$/);
var o = date.toString().match(/^(\d+)-(\d+)-(\d+)$/)
if (m) {
return parseInt(m[1], 10) + (parseInt(m[2], 10) * 3 - 1) / 12;
}
else if (n) {
return parseInt(n[1], 10) + (parseInt(n[2], 10) - 1) / 12;
}
else if (o) {
// parse to a timestamp
var year = parseInt(o[1], 10);
var month = parseInt(o[2], 10);
var day = parseInt(o[3], 10);
var timestamp = new Date(year, month - 1, day).getTime();
// get timestamps for the beginning and end of the year
var y1 = new Date(year, 0, 1).getTime();
var y2 = new Date(year+1, 0, 1).getTime();
// calculate a decimal-year value
return year + (timestamp - y1) / (y2 - y1);
}
else {
return parseInt(year, 10);
return parseInt(date, 10);
}
}