xscansdecolorer.user.js

// ==UserScript==
// @name         *Scans Link Decolorer
// @namespace    https://gist.github.com/q00u
// @version      0.3
// @description  Realmscans/Luminousscans makes all links (visited or not) the same color. This undoes that.
// @author       Phoenix G
// @match        https://realmscans.com/*
// @match        https://luminousscans.com/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=realmscans.com
// @run-at       document-idle
// @grant        none
// ==/UserScript==

(async function() {
    "use string";

    const delay = ms => new Promise(res => setTimeout(res, ms));

    const debugging = true;
    if (true) { // Just to scope variables
        let externalFound = false;
        if (debugging) console.log('Processing stylesheets looking for external sheets');
        const oldSheets = Array.from(document.styleSheets);
        for (const [i, oldSheet] of oldSheets.entries()) {
            if (oldSheet.href && !oldSheet.href.startsWith(window.location.origin)) {
                if (debugging) console.log('Found external stylesheet, processing...');
                externalFound = true;
                // Sheet loaded from external file, rules will be inaccessible
                const newLink = document.createElement('link');
                newLink.rel = 'stylesheet';
                newLink.type = 'text/css';
                newLink.crossOrigin = 'anonymous';
                newLink.href = oldSheet.href;
                document.getElementsByTagName('HEAD')[0].appendChild(newLink);
                oldSheet.disabled = true;
            }
        }
        if (externalFound) await delay(50); // Wait for CSS to update
    }
    if (debugging) console.log('Beginning search for .chapternum');
    let sheetRefs = Array.from(document.styleSheets);
    for (const [j, sheetRef] of sheetRefs.entries()) {
        const srsl = sheetRefs.length;
        // Check to see if this sheet is external
        let sl = null;
            try {sl = sheetRef?.rules?.length;} catch(e) {}
            if (debugging) console.log(`Checking sheet ${j}/${srsl - 1}, ${sl} rules`);
            if (sl) {
                for (let i = 0; i < sl; i++) {
                    if (sheetRef.rules[i].selectorText==".chapternum") {
                        console.log('Found and removing .chapternum');
                        sheetRef.removeRule(i)
                    }
                }
            }
    }
    if (debugging) console.log('Finished search for .chapternum');
})();