// ==UserScript==
// @name        mute live threads
// @namespace   org.stevenhoward
// @description Add a close button to reddit live threads so you can ignore them easily.
// @include     https://www.reddit.com/*
// @version     1
// @grant       none
// @run-at      document-start
// ==/UserScript==
const selector = 'a.happening-now-wrap';
function onBannerInserted(root) {
const liveBanner = root.querySelector(selector);
const muted = JSON.parse(localStorage.mutedLiveThreads || '[]');
function hideBanner() {
liveBanner.style.display = "none";
}
function onClose(e) {
e.preventDefault();
localStorage.mutedLiveThreads = JSON.stringify(muted.concat([ liveBanner.href ]));
hideBanner();
}
if (muted.includes(liveBanner.href)) {
hideBanner();
}
else {
const close = document.createElement('p');
close.innerHTML = '[X]';
close.style.float = 'right';
close.addEventListener('click', onClose, true);
liveBanner.querySelector('.happening-now').appendChild(close);
}
}
new MutationObserver(mutations => {
for (const mutation of mutations) {
for (const node of mutation.addedNodes) {
if (node.querySelector && node.querySelector(selector)) {
onBannerInserted(node);
}
}
}
}).observe(document.documentElement, { childList: true, subtree: true });
onBannerInserted(document.body);