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consolidate datetime methods

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This commit is contained in:
Luke Pulverenti 2016-05-06 00:50:06 -04:00
parent 7b625ade86
commit 9fd023f7de
14 changed files with 40 additions and 99 deletions
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59
dashboard-ui/scripts/extensions.js
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@ -39,63 +39,4 @@ function replaceQueryString(url, param, value) {
}
return url;
}
function parseISO8601Date(s, options) {
options = options || {};
// parenthese matches:
// year month day hours minutes seconds
// dotmilliseconds
// tzstring plusminus hours minutes
var re = /(\d{4})-(\d{2})-(\d{2})T(\d{2}):(\d{2}):(\d{2})(\.\d+)?(Z|([+-])(\d{2}):(\d{2}))?/;
var d = s.match(re);
// "2010-12-07T11:00:00.000-09:00" parses to:
// ["2010-12-07T11:00:00.000-09:00", "2010", "12", "07", "11",
// "00", "00", ".000", "-09:00", "-", "09", "00"]
// "2010-12-07T11:00:00.000Z" parses to:
// ["2010-12-07T11:00:00.000Z", "2010", "12", "07", "11",
// "00", "00", ".000", "Z", undefined, undefined, undefined]
if (!d) {
throw "Couldn't parse ISO 8601 date string '" + s + "'";
}
// parse strings, leading zeros into proper ints
var a = [1, 2, 3, 4, 5, 6, 10, 11];
for (var i in a) {
d[a[i]] = parseInt(d[a[i]], 10);
}
d[7] = parseFloat(d[7]);
// Date.UTC(year, month[, date[, hrs[, min[, sec[, ms]]]]])
// note that month is 0-11, not 1-12
// see https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Date/UTC
var ms = Date.UTC(d[1], d[2] - 1, d[3], d[4], d[5], d[6]);
// if there are milliseconds, add them
if (d[7] > 0) {
ms += Math.round(d[7] * 1000);
}
// if there's a timezone, calculate it
if (d[8] != "Z" && d[10]) {
var offset = d[10] * 60 * 60 * 1000;
if (d[11]) {
offset += d[11] * 60 * 1000;
}
if (d[9] == "-") {
ms -= offset;
} else {
ms += offset;
}
} else if (!options.toLocal) {
ms += new Date().getTimezoneOffset() * 60000;
}
return new Date(ms);
}