Replace Monospace Font Family With Brower Default Font In All Webpage
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// ==UserScript==
// @name Replace Monospace Font Family With Brower Default Font
// @namespace https://github.com/yahweh042
// @version 1
// @description Replace Monospace Font Family With Brower Default Font In All Webpage
// @author Merlin Hsu
// @match *://*/*
// @grant GM_addStyle
// @license MIT
// ==/UserScript==
(function () {
"use strict";
// add tag css
const css = `code, pre { font-family: monospace !important; }`
GM_addStyle(css)
const pattern = new RegExp("(monospace|SourceCodeProMac)");
const monospaceFont = "monospace";
const observer = new MutationObserver(() => {
// console.log("Replace Font Family Begin")
const elements = document.querySelectorAll("*");
// console.log(`elements length = ${elements.length}`)
for (const element of elements) {
let style = window.getComputedStyle(element);
let fontFamily = style.getPropertyValue("font-family");
if (fontFamily === monospaceFont) {
continue;
}
if (pattern.test(fontFamily)) {
element.style.fontFamily = monospaceFont;
}
let font = style.getPropertyValue("font");
if (pattern.test(font) !== -1) {
element.style.font = monospaceFont;
}
}
});
const body = document.body;
observer.observe(body, {
childList: true,
subtree: true,
});
})();