148 lines
4.4 KiB
JavaScript
148 lines
4.4 KiB
JavaScript
/*
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* timeago: a jQuery plugin, version: 0.9.2 (2010-09-14)
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* @requires jQuery v1.2.3 or later
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*
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* Timeago is a jQuery plugin that makes it easy to support automatically
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* updating fuzzy timestamps (e.g. '4 minutes ago' or 'about 1 day ago').
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*
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* For usage and examples, visit:
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* http://timeago.yarp.com/
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*
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* Licensed under the MIT:
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* http://www.opensource.org/licenses/mit-license.php
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*
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* Copyright (c) 2008-2010, Ryan McGeary (ryanonjavascript -[at]- mcgeary [*dot*] org)
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*/
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(function($) {
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$.timeago = function(timestamp) {
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if (timestamp instanceof Date) return inWords(timestamp);
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else if (typeof timestamp == 'string') return inWords($.timeago.parse(timestamp));
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else return inWords($.timeago.datetime(timestamp));
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};
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var $t = $.timeago;
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$.extend($.timeago, {
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settings: {
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refreshMillis: 3000,
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allowFuture: false,
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strings: {
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prefixAgo: null,
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prefixFromNow: null,
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suffixAgo: 'ago',
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suffixFromNow: 'from now',
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seconds: 'less than a minute',
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minute: 'about a minute',
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minutes: '%d minutes',
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hour: 'about an hour',
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hours: 'about %d hours',
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day: 'a day',
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days: '%d days',
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month: 'about a month',
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months: '%d months',
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year: 'about a year',
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years: '%d years',
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numbers: [],
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},
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nowFunction: function() { return new Date().getTime(); }
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},
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distanceInWords: function(date) {
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if(!date) {
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return;
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}
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if(typeof date == 'string') {
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date = $.timeago.parse(date);
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}
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return $.timeago.inWords($.timeago.distance(date));
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},
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inWords: function(distanceMillis) {
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var $l = this.settings.strings;
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var prefix = $l.prefixAgo;
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var suffix = $l.suffixAgo;
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if (this.settings.allowFuture) {
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if (distanceMillis < 0) {
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prefix = $l.prefixFromNow;
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suffix = $l.suffixFromNow;
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}
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distanceMillis = Math.abs(distanceMillis);
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} else {
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if (distanceMillis < 0) {
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distanceMillis = 0;
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}
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}
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var seconds = distanceMillis / 1000;
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var minutes = seconds / 60;
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var hours = minutes / 60;
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var days = hours / 24;
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var years = days / 365;
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function substitute(stringOrFunction, number) {
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var string = $.isFunction(stringOrFunction) ? stringOrFunction(number, distanceMillis) : stringOrFunction;
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var value = ($l.numbers && $l.numbers[number]) || number;
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return string.replace(/%d/i, value);
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}
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var words = seconds < 55 && substitute($l.seconds, Math.round(seconds)) ||
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seconds < 90 && substitute($l.minute, 1) ||
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minutes < 55 && substitute($l.minutes, Math.round(minutes)) ||
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minutes < 90 && substitute($l.hour, 1) ||
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hours < 24 && substitute($l.hours, Math.round(hours)) ||
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hours < 48 && substitute($l.day, 1) ||
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days < 30 && substitute($l.days, Math.floor(days)) ||
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days < 60 && substitute($l.month, 1) ||
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days < 365 && substitute($l.months, Math.floor(days / 30)) ||
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years < 2 && substitute($l.year, 1) ||
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substitute($l.years, Math.floor(years));
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return $.trim([prefix, words, suffix].join(' '));
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},
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distance: function(date) {
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return (this.now() - date.getTime());
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},
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now: function() {
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return this.settings.nowFunction.call(this);
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},
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parse: function(iso8601) {
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var s = $.trim(iso8601);
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s = s.replace(/\.\d\d\d+/,''); // remove milliseconds
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s = s.replace(/-/,'/').replace(/-/,'/');
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s = s.replace(/T/,' ').replace(/Z/,' UTC');
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s = s.replace(/([\+-]\d\d)\:?(\d\d)/,' $1$2'); // -04:00 -> -0400
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return new Date(s);
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}
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});
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$.fn.timeago = function() {
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this.each(function() {
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var data = prepareData(this);
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if (!isNaN(data.datetime)) {
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$(this).text(inWords(data.datetime));
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}
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});
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return this;
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};
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function prepareData(element) {
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element = $(element);
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if (!element.data('timeago') || (element.data('timeago').title != element.attr('title'))) {
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element.data('timeago', { datetime: $t.parse(element.attr('title')), title: element.attr('title') });
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}
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return element.data('timeago');
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}
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function inWords(date) {
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return $t.inWords(distance(date));
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}
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function distance(date) {
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return $t.distance(date);
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}
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// fix for IE6 suckage
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document.createElement('abbr');
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document.createElement('time');
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})(jQuery);
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