MediaWiki:ImportJS

$(function() {

   var config = mw.config.get([
       'wgAction',
       'wgPageContentLanguage',
       'wgUserLanguage'
   ]);

   if (window.UseTranslator === false || config.wgAction !== 'view') {
       return;
   }

   window.UseTranslator = false;

   // Google Translator no longer translates pages that have the exact same
   // value in the first 3 parameters (sl, tl, and hl). Instead, it sends you
   // to an error page. To fix that, we'll use the browser's language by using
   // navigator.language as a fallback.
   // For example: in english, wgUserLanguge returns "en", while
   // navigator.language returns "en-US".
   if (config.wgPageContentLanguage === config.wgUserLanguage) config.wgUserLanguage = navigator.language;

   function click() {
       window.open(new mw.Uri('https://translate.google.com/translate').extend({
           sl: config.wgPageContentLanguage,
           tl: config.wgUserLanguage,
           hl: config.wgUserLanguage,
           u: location.href
       }).toString());

   }

   function handler($content) {
       if ($content.attr('id') !== 'mw-content-text') {
           return;
       }

       $content.prepend($('<button>', {
           id: 'TranslateButton',
           'class': 'wds-button',
           css: {
               'font-weight': 800,
               width: '6em'
           },
           click: click,
           text: 'A / 文'
       }));

       if (document.documentElement.getAttribute('dir') === 'rtl') {

$('#TranslateButton').wrap('

');

       }

       mw.hook('wikipage.content').remove(handler);
   }
   mw.hook('wikipage.content').add(handler);

});