Remove Twitter Discover More Section: Removes the "Discover More" section on tweet replies

remove_twitter_discover_more.user.js

// ==UserScript==
// @name         Remove Twitter Discover More Section
// @namespace    https://d23.dev/
// @version      1.1
// @description  Removes the "Discover More" section on tweet replies
// @author       angeld23
// @match        *://*.twitter.com/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=twitter.com
// @grant        none
// ==/UserScript==
"use strict";
(() => {
    /**
     * Calls the provided callback when the document is loaded
     */
    function onReady(fn) {
        if (document.readyState != "loading") {
            fn();
        }
        else {
            document.addEventListener("DOMContentLoaded", fn);
        }
    }
    /**
     * Waits for Element added as a descendant of `parent` that matches `selector`.
     */
    function waitForElement(parent, selector, callback, runOnce = true) {
        const elementNow = parent.querySelector(selector);
        if (elementNow) {
            callback(elementNow);
            if (runOnce) {
                return;
            }
        }
        const observer = new MutationObserver((records) => {
            records.forEach((record) => {
                record.addedNodes.forEach((element) => {
                    if (element instanceof Element) {
                        if (element.matches(selector)) {
                            if (runOnce) {
                                observer.disconnect();
                            }
                            callback(element);
                        }
                    }
                });
            });
        });
        observer.observe(parent, {
            childList: true,
            subtree: true,
        });
    }
    function deleteAllNextSiblings(element) {
        while (true) {
            const nextElement = element.nextElementSibling;
            if (!nextElement)
                break;
            nextElement.remove();
        }
    }
    onReady(() => {
        waitForElement(document, "div[data-testid='cellInnerDiv']", (element) => {
            if (!(element instanceof HTMLElement))
                return;
            if (!element.outerText.includes("Discover more\nSourced from across Twitter"))
                return;
            setTimeout(() => {
                element.children[0].remove();
                deleteAllNextSiblings(element);
                const loop = setInterval(() => {
                    if (element.parentElement)
                        deleteAllNextSiblings(element);
                    else
                        clearInterval(loop);
                }, 100);
            }, 50);
        }, false);
    });
})();