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User:Bhsd/widget/countdown.js
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//<nowiki> // 用于[[Widget:Countdown]],可以使用ES6语法 /** * @Function: 生成倒计时 * @Source: [[moegirl:Widget:Countdown]] * @Dependencies: moment, ext.gadget.site-lib * @EditedBy: [[User:Bhsd]] */ "use strict"; /*global mw, $, moment, wgUCS*/ (() => { let counter, $num; const fromNow = function() { // 处理一个 .counting 节点,显示时间 const $ele = $(this), now = moment(), // now必须是一个新的moment对象 then = moment( $ele.data('target') ), // 必需复制一个moment对象再进行操作 isBefore = then.isBefore( now ), [early, late] = isBefore ? [then, now] : [now, then], year = late.diff( early, 'year' ), month = late.diff( early.add(year, 'year'), 'month' ), day = year ? null : late.diff( early.add(month, 'month'), 'day' ), hour = year || month ? null : late.diff( early.add(day, 'day'), 'hour' ), minute = year || month || day ? null : late.diff( early.add(hour, 'hour'), 'minute' ), second = year || month || day ? null : late.diff( early.add(minute, 'minute'), 'second' ), result = [ ... year ? [$num.clone().text( year ), '年'] : [], ... month ? [$num.clone().text( month ), mw.msg('widget-cd-mm')] : [], ... day ? [$num.clone().text( day ), '天'] : [], ... hour ? [$num.clone().text( hour ), mw.msg('widget-cd-hh')] : [], ... minute !== null ? [$num.clone().text( minute ), '分'] : [], ... second !== null ? [$num.clone().text( second ), '秒'] : [] ]; $ele.toggleClass('isBefore', isBefore).children().eq(isBefore ? 0 : 1).find( '.countdown' ).html( result ); }, run = () => { $( '.counting' ).each( fromNow ); }, // 每秒循环一遍所有 .counting 节点 main = ($content) => { const $nodes = $content.find( '.countdownNode' ); if ($nodes.length === 0) { return; } mw.loader.using( ['moment', 'ext.gadget.site-lib'] ).then(() => { mw.messages.set( wgUCS({ 'widget-cd-error': "时间格式错误!", 'widget-cd-mm': '个月', 'widget-cd-hh': '小时' }, { 'widget-cd-error': "時間格式錯誤!", 'widget-cd-mm': '個月', 'widget-cd-hh': '小時' }) ); $nodes.each(function() { const $ele = $(this), then = moment(this.title, 'YYYY-MM-DD HH:mm Z'); if (then.isValid()) { $ele.data('target', then).addClass( 'counting' ) // 以本地时间替换title,之后交给[[Widget:Abbr]]就好 .attr('title', then.format( 'llll ([UTC]Z' ).slice(0, -3) + ')'); } else { $ele.toggleClass('error countdownNode').text( mw.msg('widget-cd-error') ); } }); const $counting = $nodes.filter( '.counting' ); if ($counting.length === 0) { return; } console.log('Hook: wikipage.content,开始添加倒计时'); run(); $counting.removeClass( 'countdownNode' ); // 新节点至少要执行过一次run()后才能移除countdownNode类 counter = counter || setInterval(run, 1000); // 防止重复setInterval }); }, handler = () => { $num = $('<span>', {class: 'countdown-num'}); mw.widget = mw.widget || {}; if (mw.widget.countdown) { return; } // 不要和mw.countdown搞混 mw.hook( 'wikipage.content' ).add( main ); mw.widget.countdown = true; }; if (window.jQuery) { handler(); } else { window.addEventListener( 'jquery', handler ); } }) (); //</nowiki> // [[category:jQuery小部件]] {{DEFAULTSORT:Countdown.js}}