User:Narwhal Lady/common.js

var wikiThemes = { 'exvius.fandom.com': 'exvius' };   var pageUrl = new URL(window.location.href); if (pageUrl.host in wikiThemes) { // if theme GET parameter isn't set, set it and reload if (!pageUrl.searchParams.get('useskin')) { pageUrl.searchParams.set('useskin', wikiThemes[pageUrl.host]); window.location.href = pageUrl.href; }       // listen for clicks on document body var bodyObj = document.getElementsByTagName('body')[0]; bodyObj.addEventListener('click', function(event) {           // find the link            var anchor;            if (event.target.tagName === 'A') {                anchor = event.target;            } else if (event.target.parentNode.tagName === 'A') {                anchor = event.target.parentNode;            } else {                return; // clicked, not a link            }            var link = anchor.getAttribute('href');            if (link.includes(pageUrl.host)) {                // I don't want to handle this case lol, seems quite rare                // just return and lean on the first bit to apply theme                return;            }            // if link is internal, append theme GET parameter & navigate to destination            if (link.startsWith('/')) {                event.preventDefault;                var newUrl = new URL('https://' + pageUrl.host + link); newUrl.searchParams.set('useskin', wikiThemes[pageUrl.host]); window.location.href = newUrl.href; }       });    }