Remove Facebook Unfollowed Content

remove-facebook-unfollowed-content.js

// ==UserScript==
// @name         Remove Facebook Unfollowed Content
// @version      2024-03-02
// @author       Jin-Cheng Guu
// @match        https://www.facebook.com/*
// @description  Remove unfollowed content from the Facebook main page.
// ==/UserScript==

(function() {

    let postClassName = 'x1lliihq'
    let flaggedContents = ['Suggested for you', 'Follow']
    let config = { attributes: true, childList: true, subtree: true };

    function checkForSpan(div) {
        // Check if the div contains a span with content "Suggested for you"
        const spans = div.querySelectorAll('span');
        for (let i = 0; i < spans.length; i++) {
            if (flaggedContents.includes(spans[i].textContent)) {
                return true;
            }
        }
        // Recursively check child elements
        const children = div.children;
        for (let i = 0; i < children.length; i++) {
            if (checkForSpan(children[i])) {
                return true;
            }
        }
        return false;
    }

    function makeObserver() {
        let callback = (mutationList, observer) => {
            for (const mutation of mutationList) {
                if (mutation.type === "childList" &&
                    mutation.addedNodes.length>0) {
                    let addedNode = mutation.addedNodes[0]
                    if (checkForSpan(addedNode) &&
                        addedNode.tagName.toLowerCase() === 'div' &&
                        addedNode.classList.value === postClassName) {
                        mutation.addedNodes[0].remove()
                    }
                }
            }
        };
        return new MutationObserver(callback);
    }

    let observer = makeObserver()
    observer.observe(document.body, config);
    // observer.disconnect();

})();