Twitch Chat Filter

twitch-filter.js

// Twitch Chat Filter that hides messags unless they are from mods or in the list of allowed users.
// Originally written, and still configured, for LRR's PPR streams, where I wanted to be able to read the rules text LLRBot put into chat.

(function()
{
	const allowed_users = ['LoadingReadyRun', 'LRRbot', 'LRRMTG_Judge'];
	const allow_mods = true;
	const log = document.querySelector('div[role="log"]');

	window.setInterval(() =>
	{
		log.querySelectorAll('div.chat-line__message:not(.processed)').forEach(e => {
			e.classList.add( 'processed' );

			if ( allowed_users.includes(e.querySelector('span.chat-line__username').textContent))
			{
				return;
			}
			if ( allow_mods && e.querySelector( 'img.chat-badge[aria-label="Moderator badge"]' ) )
			{
				return;
			}

			// Uncomment this and remove the line below to only fade out unwanted messages
			//e.style.opacity = '0.1';
			e.style.display = 'none';
		});
	}, 500);
})();

twitch-filter.min.js

!function(d,t){const o=["LoadingReadyRun","LRRbot","LRRMTG_Judge"],a=d[t]('div[role="log"]');window.setInterval(()=>a[t+'All']("div.chat-line__message:not(.processed)").forEach(e=>{e.classList.add("processed"),o.includes(e[t]("span.chat-line__username").textContent)||e[t]('img.chat-badge[aria-label="Moderator badge"]')||(e.style.display="none")}),500)}(document,'querySelector');