youtube-noscript-shim.user.js


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// ==UserScript==
// @name        youtube-noscript-shim
// @namespace   systemreboot.net
// @description Use YouTube with NoScript
// @include     https://www.youtube.com/*
// @version     0.1
// @grant       none
// ==/UserScript==

function toggleClasses (selector, classes) {
    classes.forEach(function (cls) {
	document.querySelector(selector).classList.toggle(cls);
    });
}

function toggleBooleanAttributes (selector, attributes) {
    element = document.querySelector(selector);
    attributes.forEach(function (attribute) {
	element.setAttribute(attribute, element.getAttribute(attribute) == "true" ? "false" : "true");
    });
}

// Load thumbnails
Array.from(document.querySelectorAll("img[data-thumb]")).forEach(function (img) {
    img.setAttribute("src", img.getAttribute("data-thumb"));
});

// Search filters
document.querySelector(".filter-button").addEventListener("click", function () {
    toggleClasses(".filter-button", ["yt-uix-button-toggled"]);
    toggleClasses(".search-header", ["yt-uix-expander-collapsed"]);
    toggleBooleanAttributes(".filter-button", ["aria-pressed"]);
});

// Guide
document.querySelector("#appbar-guide-button").addEventListener("click", function () {
    toggleClasses("html", ["show-guide"]);
    toggleBooleanAttributes("#appbar-guide-button", ["aria-expanded"]);
});