remove_ads.js

// ==UserScript==
// @name         ytlocal
// @version      1.0
// @description  ytlocal
// @match        *://*.youtube.com/watch?*
// @grant        none
// @run-at       document-end
// ==/UserScript==




(function () {
	let h = '';

	function removeAds() {
		let container = document.querySelector("#ytd-player #container");
		let hc = encodeURIComponent (window.location.href);

		if (container && hc != h) {
			h = hc;
			container.replaceChildren();

			let iframe = document.createElement("iframe");

			iframe.src = "http://127.0.0.1:5000/watch?url=" + hc + "&quality=720";
			iframe.style.width = "100%";
			iframe.style.height = "100%";

			container.appendChild(iframe);
			// observer.disconnect ();
		}

		document.querySelectorAll("video").forEach(v => v.remove());
	}


	let observer;
	let alive = false;

	function startObserving () {
		if (observer) observer.disconnect ();

		h = '';

		removeAds ();

		observer = new MutationObserver(mutationsList => {
			alive = true;
			for(let mutation of mutationsList) {
				if (mutation.type === 'childList' && mutation.addedNodes.length > 0) {
					removeAds();
				} else if (mutation.type === 'attributes' && mutation.attributeName === 'style') {
					removeAds();
				}
			}
		});

		observer.observe(document.documentElement, { childList: true, subtree: true, attributes: true });
	}

	startObserving ();

	// window.addEventListener('load', removeAds);


	setTimeout(function () {
		setInterval(function () {
			alive = false;

			// trigger mutation
			const x = document.createElement("div");
			document.body.appendChild(x);
			x.remove();

			setTimeout(function () {
				if (false == alive) {
					startObserving();
					console.log ("OBSERVING");
				}
			}, 0);
		}, 1000);
	}, 1000);
})();