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16 lines
4.5 KiB
JavaScript
16 lines
4.5 KiB
JavaScript
/**
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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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* @name timeago
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* @version 1.3.1
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* @requires jQuery v1.2.3+
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* @author Ryan McGeary
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* @license MIT License - http://www.opensource.org/licenses/mit-license.php
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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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* Copyright (c) 2008-2013, Ryan McGeary (ryan -[at]- mcgeary [*dot*] org)
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*/
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!function(factory){if(typeof define==="function"&&define.amd){define(["jquery"],factory)}else{factory(jQuery)}}(function($){$.timeago=function(timestamp){if(timestamp instanceof Date){return inWords(timestamp)}else if(typeof timestamp==="string"){return inWords($.timeago.parse(timestamp))}else if(typeof timestamp==="number"){return inWords(new Date(timestamp))}else{return inWords($.timeago.datetime(timestamp))}};var $t=$.timeago;$.extend($.timeago,{settings:{refreshMillis:6e4,allowFuture:false,localeTitle:false,cutoff:0,strings:{prefixAgo:null,prefixFromNow:null,suffixAgo:"ago",suffixFromNow:"from now",seconds:"less than a minute",minute:"about a minute",minutes:"%d minutes",hour:"about an hour",hours:"about %d hours",day:"a day",days:"%d days",month:"about a month",months:"%d months",year:"about a year",years:"%d years",wordSeparator:" ",numbers:[]}},inWords:function(distanceMillis){var $l=this.settings.strings;var prefix=$l.prefixAgo;var suffix=$l.suffixAgo;if(this.settings.allowFuture){if(distanceMillis<0){prefix=$l.prefixFromNow;suffix=$l.suffixFromNow}}var seconds=Math.abs(distanceMillis)/1e3;var minutes=seconds/60;var hours=minutes/60;var days=hours/24;var years=days/365;function substitute(stringOrFunction,number){var string=$.isFunction(stringOrFunction)?stringOrFunction(number,distanceMillis):stringOrFunction;var value=$l.numbers&&$l.numbers[number]||number;return string.replace(/%d/i,value)}var words=seconds<45&&substitute($l.seconds,Math.round(seconds))||seconds<90&&substitute($l.minute,1)||minutes<45&&substitute($l.minutes,Math.round(minutes))||minutes<90&&substitute($l.hour,1)||hours<24&&substitute($l.hours,Math.round(hours))||hours<42&&substitute($l.day,1)||days<30&&substitute($l.days,Math.round(days))||days<45&&substitute($l.month,1)||days<365&&substitute($l.months,Math.round(days/30))||years<1.5&&substitute($l.year,1)||substitute($l.years,Math.round(years));var separator=$l.wordSeparator||"";if($l.wordSeparator===undefined){separator=" "}return $.trim([prefix,words,suffix].join(separator))},parse:function(iso8601){var s=$.trim(iso8601);s=s.replace(/\.\d+/,"");s=s.replace(/-/,"/").replace(/-/,"/");s=s.replace(/T/," ").replace(/Z/," UTC");s=s.replace(/([\+\-]\d\d)\:?(\d\d)/," $1$2");s=s.replace(/([\+\-]\d\d)$/," $100");return new Date(s)},datetime:function(elem){var iso8601=$t.isTime(elem)?$(elem).attr("datetime"):$(elem).attr("title");return $t.parse(iso8601)},isTime:function(elem){return $(elem).get(0).tagName.toLowerCase()==="time"}});var functions={init:function(){var refresh_el=$.proxy(refresh,this);refresh_el();var $s=$t.settings;if($s.refreshMillis>0){this._timeagoInterval=setInterval(refresh_el,$s.refreshMillis)}},update:function(time){var parsedTime=$t.parse(time);$(this).data("timeago",{datetime:parsedTime});if($t.settings.localeTitle)$(this).attr("title",parsedTime.toLocaleString());refresh.apply(this)},updateFromDOM:function(){$(this).data("timeago",{datetime:$t.parse($t.isTime(this)?$(this).attr("datetime"):$(this).attr("title"))});refresh.apply(this)},dispose:function(){if(this._timeagoInterval){window.clearInterval(this._timeagoInterval);this._timeagoInterval=null}}};$.fn.timeago=function(action,options){var fn=action?functions[action]:functions.init;if(!fn){throw new Error("Unknown function name '"+action+"' for timeago")}this.each(function(){fn.call(this,options)});return this};function refresh(){var data=prepareData(this);var $s=$t.settings;if(!isNaN(data.datetime)){if($s.cutoff==0||distance(data.datetime)<$s.cutoff){$(this).text(inWords(data.datetime))}}return this}function prepareData(element){element=$(element);if(!element.data("timeago")){element.data("timeago",{datetime:$t.datetime(element)});var text=$.trim(element.text());if($t.settings.localeTitle){element.attr("title",element.data("timeago").datetime.toLocaleString())}else if(text.length>0&&!($t.isTime(element)&&element.attr("title"))){element.attr("title",text)}}return element.data("timeago")}function inWords(date){return $t.inWords(distance(date))}function distance(date){return(new Date).getTime()-date.getTime()}document.createElement("abbr");document.createElement("time")}); |