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Add iso8601 polyfill necessary for timetext in old browsers.

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Max Goodman
2014-04-25 14:15:25 -07:00
parent f7d0587cf8
commit 6a27c1bf78
2 changed files with 42 additions and 0 deletions
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1
r2/r2/lib/js.py
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@@ -450,6 +450,7 @@ module["reddit"] = LocalizedModule("reddit.js",
"lib/jquery.cookie.js",
"lib/jquery.url.js",
"lib/backbone-1.0.0.js",
"lib/iso8601.js",
"templates.js",
"scrollupdater.js",
"timetext.js",

41
r2/r2/public/static/js/lib/iso8601.js Normal file
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@@ -0,0 +1,41 @@
/**
* Date.parse with progressive enhancement for ISO 8601 <https://github.com/csnover/js-iso8601>
* © 2011 Colin Snover <http://zetafleet.com>
* Released under MIT license.
*/
(function (Date, undefined) {
var origParse = Date.parse, numericKeys = [ 1, 4, 5, 6, 7, 10, 11 ];
Date.parse = function (date) {
var timestamp, struct, minutesOffset = 0;
// ES5 §15.9.4.2 states that the string should attempt to be parsed as a Date Time String Format string
// before falling back to any implementation-specific date parsing, so that’s what we do, even if native
// implementations could be faster
// 1 YYYY 2 MM 3 DD 4 HH 5 mm 6 ss 7 msec 8 Z 9 ± 10 tzHH 11 tzmm
if ((struct = /^(\d{4}|[+\-]\d{6})(?:-(\d{2})(?:-(\d{2}))?)?(?:T(\d{2}):(\d{2})(?::(\d{2})(?:\.(\d{3}))?)?(?:(Z)|([+\-])(\d{2})(?::(\d{2}))?)?)?$/.exec(date))) {
// avoid NaN timestamps caused by “undefined” values being passed to Date.UTC
for (var i = 0, k; (k = numericKeys[i]); ++i) {
struct[k] = +struct[k] || 0;
}
// allow undefined days and months
struct[2] = (+struct[2] || 1) - 1;
struct[3] = +struct[3] || 1;
if (struct[8] !== 'Z' && struct[9] !== undefined) {
minutesOffset = struct[10] * 60 + struct[11];
if (struct[9] === '+') {
minutesOffset = 0 - minutesOffset;
}
}
timestamp = Date.UTC(struct[1], struct[2], struct[3], struct[4], struct[5] + minutesOffset, struct[6], struct[7]);
}
else {
timestamp = origParse ? origParse(date) : NaN;
}
return timestamp;
};
}(Date));