Automatically expand github news entries

UserScript.js

// ==UserScript==
// @name         Github Autoexpand News Items
// @namespace    https://kumpelblase2.github.io/
// @version      0.1
// @description  Automatically expands news entries in your Github Feed.
// @author       kumpelblase2
// @match        https://github.com/
// @grant        none
// ==/UserScript==

function findButtons() {
    return [...document.querySelectorAll('button.js-details-target[aria-expanded="false"]')];
}

function toggleButtons() {
    const found = findButtons();
    found.forEach(button => button.click());
}

function applyObserverTo(container) {
    const observerConfig = { childList: true, subtree: true };
    const onChange = function(changeList, observer) {
        setTimeout(toggleButtons, 1);
    };
    const observer = new MutationObserver(onChange);
    observer.observe(container, observerConfig);
}

(function() {
    'use strict';
    const timer = setInterval(() => {
        const newsContainer = document.querySelector('.news');
        if(newsContainer.children.length === 5 && newsContainer.children[3].className.length === 0) {
            toggleButtons();
            applyObserverTo(newsContainer.children[3]);
            clearInterval(timer);
        }
    }, 500);
})();