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comparison date.js @ 0:f62b5c395a48

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Initial commit.
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Sat, 04 Jun 2011 05:02:47 +0200
parents
children 82905edac9d8
comparison
equal deleted inserted replaced
-1:000000000000 0:f62b5c395a48
1 Date.prototype.set8601 = function (string) {
2 var regexp = "([0-9]{4})(-([0-9]{2})(-([0-9]{2})" +
3 "(T([0-9]{2}):([0-9]{2})(:([0-9]{2})(\.([0-9]+))?)?" +
4 "(Z|(([-+])([0-9]{2}):([0-9]{2})))?)?)?)?";
5 var d = string.match(new RegExp(regexp));
6
7 var offset = 0;
8 var date = new Date(d[1], 0, 1);
9
10 if (d[3]) { date.setMonth(d[3] - 1); }
11 if (d[5]) { date.setDate(d[5]); }
12 if (d[7]) { date.setHours(d[7]); }
13 if (d[8]) { date.setMinutes(d[8]); }
14 if (d[10]) { date.setSeconds(d[10]); }
15 if (d[12]) { date.setMilliseconds(Number("0." + d[12]) * 1000); }
16 if (d[14]) {
17 offset = (Number(d[16]) * 60) + Number(d[17]);
18 offset *= ((d[15] == '-') ? 1 : -1);
19 }
20
21 offset -= date.getTimezoneOffset();
22 var time = (Number(date) + (offset * 60 * 1000));
23 this.setTime(Number(time));
24
25 return this;
26 }
27
28 Date.prototype.to8601 = function(){
29 function pad(n){return n<10 ? '0'+n : n}
30 return this.getUTCFullYear()+'-'
31 + pad(this.getUTCMonth()+1)+'-'
32 + pad(this.getUTCDate())+'T'
33 + pad(this.getUTCHours())+':'
34 + pad(this.getUTCMinutes())+':'
35 + pad(this.getUTCSeconds())+'Z';
36 }
37
38 Date.prototype.getRelative = function(){
39 const s = 1000, m = s*60, h = m*60, d = h*24, y = d*365, M = y/12,
40 ref = Date.now(),
41 input = this.getTime(),
42 delta = ref - input,
43 year = Math.round((delta/y)*10)/10,
44 month = Math.round((delta/M)*10)/10,
45 day = Math.round((delta/d)*10)/10,
46 hour = Math.round((delta/h)*10)/10,
47 minute = Math.round((delta/m)*10)/10;
48
49 if (year == 1)
50 return "a year ago";
51 if (year > 1)
52 return Math.round(year)+" years ago";
53
54 if (month == 1)
55 return "a month ago";
56 if (month > 1)
57 return Math.round(month)+" months ago";
58
59 if (day == 1)
60 return "today";
61 if (day > 1)
62 return Math.round(day)+" days ago";
63
64 if (hour == 1)
65 return "an hour ago";
66 if (hour > 1)
67 return Math.round(hour)+" hours ago";
68
69 if (minute == 1)
70 return "a minute ago";
71 if (minute > 1)
72 return Math.round(minute)+" minutes ago";
73
74 return "just now";
75 };