Disable frequently mistyped shortcuts (e.g. 0-9 number keys) and auto-looping on shorts.
// ==UserScript==
// @name YouTube Usability
// @description Disable frequently mistyped shortcuts (e.g. 0-9 number keys) and auto-looping on shorts.
// @license MIT
// @icon https://m.youtube.com/static/apple-touch-icon-114x114-precomposed.png
// @namespace michaelsande.rs
// @version 2024.04.14
// @match https://www.youtube.com/*
// @match https://m.youtube.com/*
// @run-at document-start
// ==/UserScript==
// Tested on Firefox Greasemonkey and Violentmonkey, and Safari Userscripts.
(() => {
"use strict";
const beforeLoad = () => {
const ALLOWED_MODIFIER_KEYS = ["Alt", "Control", "Meta", "OS"];
const DISABLED_KEYS = new Set(
"0123456789kjl".split("").concat(["Home", "End"])
);
window.addEventListener(
"keydown",
event => {
if (
DISABLED_KEYS.has(event.key) &&
!ALLOWED_MODIFIER_KEYS.some(event.getModifierState.bind(event)) &&
!event.isComposing
) {
event.stopImmediatePropagation();
}
},
true
);
window.addEventListener("load", afterLoad);
};
const afterLoad = () => {
const pageManager = document.getElementById("page-manager");
if (pageManager !== null) {
const disableShortLooping = () => {
pageManager
.querySelector("#shorts-player video")
?.removeAttribute("loop");
};
disableShortLooping();
// Shorts player gets inserted dynamically by YouTube when navigating, so
// can't be used as target.
new MutationObserver(disableShortLooping).observe(pageManager, {
attributeFilter: ["loop"],
childList: true,
subtree: true,
});
}
};
beforeLoad();
})();