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comparison toolbox/static/js/jquery.timeago.js @ 0:b0942f44413f

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import from git://github.com/mozilla/toolbox.git
author Jeff Hammel <k0scist@gmail.com>
date Sun, 11 May 2014 09:15:35 -0700
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-1:000000000000 0:b0942f44413f
1 /*
2 * timeago: a jQuery plugin, version: 0.9.3 (2011-01-21)
3 * @requires jQuery v1.2.3 or later
4 *
5 * Timeago is a jQuery plugin that makes it easy to support automatically
6 * updating fuzzy timestamps (e.g. "4 minutes ago" or "about 1 day ago").
7 *
8 * For usage and examples, visit:
9 * http://timeago.yarp.com/
10 *
11 * Licensed under the MIT:
12 * http://www.opensource.org/licenses/mit-license.php
13 *
14 * Copyright (c) 2008-2011, Ryan McGeary (ryanonjavascript -[at]- mcgeary [*dot*] org)
15 */
16 (function($) {
17 $.timeago = function(timestamp) {
18 if (timestamp instanceof Date) {
19 return inWords(timestamp);
20 } else if (typeof timestamp === "string") {
21 return inWords($.timeago.parse(timestamp));
22 } else {
23 return inWords($.timeago.datetime(timestamp));
24 }
25 };
26 var $t = $.timeago;
27
28 $.extend($.timeago, {
29 settings: {
30 refreshMillis: 60000,
31 allowFuture: false,
32 strings: {
33 prefixAgo: null,
34 prefixFromNow: null,
35 suffixAgo: "ago",
36 suffixFromNow: "from now",
37 seconds: "less than a minute",
38 minute: "about a minute",
39 minutes: "%d minutes",
40 hour: "about an hour",
41 hours: "about %d hours",
42 day: "a day",
43 days: "%d days",
44 month: "about a month",
45 months: "%d months",
46 year: "about a year",
47 years: "%d years",
48 numbers: []
49 }
50 },
51 inWords: function(distanceMillis) {
52 var $l = this.settings.strings;
53 var prefix = $l.prefixAgo;
54 var suffix = $l.suffixAgo;
55 if (this.settings.allowFuture) {
56 if (distanceMillis < 0) {
57 prefix = $l.prefixFromNow;
58 suffix = $l.suffixFromNow;
59 }
60 distanceMillis = Math.abs(distanceMillis);
61 }
62
63 var seconds = distanceMillis / 1000;
64 var minutes = seconds / 60;
65 var hours = minutes / 60;
66 var days = hours / 24;
67 var years = days / 365;
68
69 function substitute(stringOrFunction, number) {
70 var string = $.isFunction(stringOrFunction) ? stringOrFunction(number, distanceMillis) : stringOrFunction;
71 var value = ($l.numbers && $l.numbers[number]) || number;
72 return string.replace(/%d/i, value);
73 }
74
75 var words = seconds < 45 && substitute($l.seconds, Math.round(seconds)) ||
76 seconds < 90 && substitute($l.minute, 1) ||
77 minutes < 45 && substitute($l.minutes, Math.round(minutes)) ||
78 minutes < 90 && substitute($l.hour, 1) ||
79 hours < 24 && substitute($l.hours, Math.round(hours)) ||
80 hours < 48 && substitute($l.day, 1) ||
81 days < 30 && substitute($l.days, Math.floor(days)) ||
82 days < 60 && substitute($l.month, 1) ||
83 days < 365 && substitute($l.months, Math.floor(days / 30)) ||
84 years < 2 && substitute($l.year, 1) ||
85 substitute($l.years, Math.floor(years));
86
87 return $.trim([prefix, words, suffix].join(" "));
88 },
89 parse: function(iso8601) {
90 var s = $.trim(iso8601);
91 s = s.replace(/\.\d\d\d+/,""); // remove milliseconds
92 s = s.replace(/-/,"/").replace(/-/,"/");
93 s = s.replace(/T/," ").replace(/Z/," UTC");
94 s = s.replace(/([\+\-]\d\d)\:?(\d\d)/," $1$2"); // -04:00 -> -0400
95 return new Date(s);
96 },
97 datetime: function(elem) {
98 // jQuery's `is()` doesn't play well with HTML5 in IE
99 var isTime = $(elem).get(0).tagName.toLowerCase() === "time"; // $(elem).is("time");
100 var iso8601 = isTime ? $(elem).attr("datetime") : $(elem).attr("title");
101 return $t.parse(iso8601);
102 }
103 });
104
105 $.fn.timeago = function() {
106 var self = this;
107 self.each(refresh);
108
109 var $s = $t.settings;
110 if ($s.refreshMillis > 0) {
111 setInterval(function() { self.each(refresh); }, $s.refreshMillis);
112 }
113 return self;
114 };
115
116 function refresh() {
117 var data = prepareData(this);
118 if (!isNaN(data.datetime)) {
119 $(this).text(inWords(data.datetime));
120 }
121 return this;
122 }
123
124 function prepareData(element) {
125 element = $(element);
126 if (!element.data("timeago")) {
127 element.data("timeago", { datetime: $t.datetime(element) });
128 var text = $.trim(element.text());
129 if (text.length > 0) {
130 element.attr("title", text);
131 }
132 }
133 return element.data("timeago");
134 }
135
136 function inWords(date) {
137 return $t.inWords(distance(date));
138 }
139
140 function distance(date) {
141 return (new Date().getTime() - date.getTime());
142 }
143
144 // fix for IE6 suckage
145 document.createElement("abbr");
146 document.createElement("time");
147 }(jQuery));