https://www.labazougedechemere.fr/js/timeago.js

1/**
2 * Timeago is a jQuery plugin that makes it easy to support automatically
3 * updating fuzzy timestamps (e.g. "4 minutes ago" or "about 1 day ago").
4 *
5 * @name timeago
6 * @version 1.3.0
7 * @requires jQuery v1.2.3+
8 * @author Ryan McGeary
9 * @license MIT License - http://www.opensource.org/licenses/mit-license.php
10 *
11 * For usage and examples, visit:
12 * http://timeago.yarp.com/
13 *
14 * Copyright (c) 2008-2013, Ryan McGeary (ryan -[at]- mcgeary [*dot*] org)
15 */
16
17(function (factory) {
18    if (typeof define === 'function' && define.amd) {
19        // AMD. Register as an anonymous module.
20        define(['jquery'], factory);
21    } else {
22        // Browser globals
23        factory(jQuery);
24    }
25}(function ($) {
26    $.timeago = function(timestamp) {
27        if (timestamp instanceof Date) {
28            return inWords(timestamp);
29        } else if (typeof timestamp === "string") {
30            return inWords($.timeago.parse(timestamp));
31        } else if (typeof timestamp === "number") {
32            return inWords(new Date(timestamp));
33        } else {
34            return inWords($.timeago.datetime(timestamp));
35        }
36    };
37    var $t = $.timeago;
38
39    $.extend($.timeago, {
40        settings: {
41            refreshMillis: 60000,
42            allowFuture: false,
43            localeTitle: false,
44            cutoff: 0,
45            strings: {
46                prefixAgo: null,
47                prefixFromNow: null,
48                suffixAgo: "ago",
49                suffixFromNow: "from now",
50                seconds: "less than a minute",
51                minute: "about a minute",
52                minutes: "%d minutes",
53                hour: "about an hour",
54                hours: "about %d hours",
55                day: "a day",
56                days: "%d days",
57                month: "about a month",
58                months: "%d months",
59                year: "about a year",
60                years: "%d years",
61                wordSeparator: " ",
62                numbers: []
63            }
64        },
65        inWords: function(distanceMillis) {
66            var $l = this.settings.strings;
67            var prefix = $l.prefixAgo;
68            var suffix = $l.suffixAgo;
69            if (this.settings.allowFuture) {
70                if (distanceMillis < 0) {
71                    prefix = $l.prefixFromNow;
72                    suffix = $l.suffixFromNow;
73                }
74            }
75
76            var seconds = Math.abs(distanceMillis) / 1000;
77            var minutes = seconds / 60;
78            var hours = minutes / 60;
79            var days = hours / 24;
80            var years = days / 365;
81
82            function substitute(stringOrFunction, number) {
83                var string = $.isFunction(stringOrFunction) ? stringOrFunction(number, distanceMillis) : stringOrFunction;
84                var value = ($l.numbers && $l.numbers[number]) || number;
85                return string.replace(/%d/i, value);
86            }
87
88            var words = seconds < 45 && substitute($l.seconds, Math.round(seconds)) ||
89                seconds < 90 && substitute($l.minute, 1) ||
90                minutes < 45 && substitute($l.minutes, Math.round(minutes)) ||
91                minutes < 90 && substitute($l.hour, 1) ||
92                hours < 24 && substitute($l.hours, Math.round(hours)) ||
93                hours < 42 && substitute($l.day, 1) ||
94                days < 30 && substitute($l.days, Math.round(days)) ||
95                days < 45 && substitute($l.month, 1) ||
96                days < 365 && substitute($l.months, Math.round(days / 30)) ||
97                years < 1.5 && substitute($l.year, 1) ||
98                substitute($l.years, Math.round(years));
99
100            var separator = $l.wordSeparator || "";
101            if ($l.wordSeparator === undefined) { separator = " "; }
102            return $.trim([prefix, words, suffix].join(separator));
103        },
104        parse: function(iso8601) {
105            var s = $.trim(iso8601);
106            s = s.replace(/\.\d+/,""); // remove milliseconds
107            s = s.replace(/-/,"/").replace(/-/,"/");
108            s = s.replace(/T/," ").replace(/Z/," UTC");
109            s = s.replace(/([\+\-]\d\d)\:?(\d\d)/," $1$2"); // -04:00 -> -0400
110            return new Date(s);
111        },
112        datetime: function(elem) {
113            var iso8601 = $t.isTime(elem) ? $(elem).attr("datetime") : $(elem).attr("title");
114            return $t.parse(iso8601);
115        },
116        isTime: function(elem) {
117            // jQuery's `is()` doesn't play well with HTML5 in IE
118            return $(elem).get(0).tagName.toLowerCase() === "time"; // $(elem).is("time");
119        }
120    });
121
122    // functions that can be called via $(el).timeago('action')
123    // init is default when no action is given
124    // functions are called with context of a single element
125    var functions = {
126        init: function(){
127            var refresh_el = $.proxy(refresh, this);
128            refresh_el();
129            var $s = $t.settings;
130            if ($s.refreshMillis > 0) {
131                setInterval(refresh_el, $s.refreshMillis);
132            }
133        },
134        update: function(time){
135            $(this).data('timeago', { datetime: $t.parse(time) });
136            refresh.apply(this);
137        },
138        updateFromDOM: function(){
139            $(this).data('timeago', { datetime: $t.parse( $t.isTime(this) ? $(this).attr("datetime") : $(this).attr("title") ) });
140            refresh.apply(this);
141        }
142    };
143
144    $.fn.timeago = function(action, options) {
145        var fn = action ? functions[action] : functions.init;
146        if(!fn){
147            throw new Error("Unknown function name '"+ action +"' for timeago");
148        }
149        // each over objects here and call the requested function
150        this.each(function(){
151            fn.call(this, options);
152        });
153        return this;
154    };
155
156    function refresh() {
157        var data = prepareData(this);
158        var $s = $t.settings;
159
160        if (!isNaN(data.datetime)) {
161            if ( $s.cutoff == 0 || distance(data.datetime) < $s.cutoff) {
162                $(this).text(inWords(data.datetime));
163            }
164        }
165        return this;
166    }
167
168    function prepareData(element) {
169        element = $(element);
170        if (!element.data("timeago")) {
171            element.data("timeago", { datetime: $t.datetime(element) });
172            var text = $.trim(element.text());
173            if ($t.settings.localeTitle) {
174                element.attr("title", element.data('timeago').datetime.toLocaleStr