// ==UserScript==
// @name         HIDE REPLY TWEETS FROM TIMELINE
// @namespace    http://tampermonkey.net/
// @version      0.2
// @description  Hide X.com (Twitter) replies that aren't from the same author. Still shows threads.
// @author       Doxie
// @match        https://x.com/*
// @grant        none
// @license      MIT
// @downloadURL none
// ==/UserScript==

(function() {
    'use strict';

    function hideElements() {
        const cells = document.querySelectorAll('[aria-label="Timeline: Conversation"] [data-testid="cellInnerDiv"]');
        let mainTweetNotFound = true;
        let srcProfilePic;
        cells.forEach((cell) => {
            if (cell.querySelector('[data-testid="tweetButtonInline"]')) {
                mainTweetNotFound = false;
                srcProfilePic = cell.querySelector('img')?.src;
            } else if (mainTweetNotFound) {
                // Does nothing for tweets above the main one
            } else {
                let srcInCurrent = cell.querySelector('img')?.src;
                if (srcInCurrent === srcProfilePic) {
                    // Does nothing, as it's the same author
                } else {
                    cell.style.display = 'none';
                }
            }
        });
    }

    document.addEventListener('DOMContentLoaded', hideElements);

    const observer = new MutationObserver(hideElements);
    observer.observe(document.body, { childList: true, subtree: true });
})();