Twitter: Highlight Posts with Links

Highlights Tweets which contain external Links or hides Tweets without them

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Twitter: Highlight Posts with Links
// @version      0.1
// @description  Highlights Tweets which contain external Links or hides Tweets without them
// @author       Schubsi
// @license      MIT
// @match        https://twitter.com/*
// @match        https://x.com/*
// @grant        GM_getValue
// @grant        GM_setValue
// @grant        GM_registerMenuCommand
// @namespace https://greasyfork.org/users/1493523
// ==/UserScript==

(function () {
  "use strict";

  // Default-Werte
  let highlightEnabled = GM_getValue("highlightEnabled", true);
  let hideWithoutLinks = GM_getValue("hideWithoutLinks", false);

  const toggleHighlight = () => {
    highlightEnabled = !highlightEnabled;
    GM_setValue("highlightEnabled", highlightEnabled);
    processTweets();
  };

  const toggleHide = () => {
    hideWithoutLinks = !hideWithoutLinks;
    GM_setValue("hideWithoutLinks", hideWithoutLinks);
    processTweets();
  };

  // Menüeinträge in Tampermonkey
  GM_registerMenuCommand(
    `Highlighting: ${highlightEnabled ? "On" : "Off"}`,
    toggleHighlight
  );
  GM_registerMenuCommand(
    `Hide Posts without Links: ${hideWithoutLinks ? "On" : "Off"}`,
    toggleHide
  );

  const styleLinkTweet = (tweet) => {
    if (highlightEnabled) {
      tweet.style.outline = "5px solid #4ca2fe";
    } else {
      tweet.style.outline = "";
    }
  };

  const styleNonLinkTweet = (tweet) => {
    // Statt display:none verwenden wir "visibility: hidden; height: 0" trick,
    // um die Post-Elemente weiterhin im Layout zu behalten (für Scroll-Trigger)
    if (hideWithoutLinks) {
      tweet.style.visibility = "hidden";
      tweet.style.height = "0px";
      tweet.style.margin = "0";
      tweet.style.padding = "0";
      tweet.style.overflow = "hidden";
    } else {
      tweet.style.visibility = "";
      tweet.style.height = "";
      tweet.style.margin = "";
      tweet.style.padding = "";
      tweet.style.overflow = "";
    }
  };

  const autoCheckLink = (tweet) => {
    const linkEl = tweet.querySelector("a[target='_blank']");
    if (linkEl) {
      styleLinkTweet(tweet);
      return;
    }

    const quotedTweet = tweet.querySelector(
      "div[id^='id__'][aria-labelledby^='id__']"
    );
    if (!quotedTweet) {
      styleNonLinkTweet(tweet);
      return;
    }
    const quotedText = quotedTweet.querySelector(
      "div[data-testid='tweetText']"
    );
    const quotedEmbed = quotedTweet.querySelector(
      "div[id^='id__'][aria-labelledby^='id__'][data-testid='card.wrapper']"
    )
    if (!quotedText && !quotedEmbed) {
      styleNonLinkTweet(tweet);
      return;
    }
    if (quotedEmbed) {
      styleLinkTweet(tweet);
      return;
    }
    if (/\b(?!x\.com)[a-zA-Z0-9][a-zA-Z0-9\-_.]*[a-zA-Z0-9]*\.[a-zA-Z]{2,}\b/.test(quotedText.innerText)) {
      styleLinkTweet(tweet);
      return;
    }
    styleNonLinkTweet(tweet);
  };

  const processTweets = () => {
    // Seiten-Filter
    const url = window.location.href;
    const isHome = url === 'https://x.com/';
    const isSearch = url.startsWith('https://x.com/search?q=');
    const isProfile = url.match(/https:\/\/x\.com\/[a-zA-Z0-9_]+$/);
    if (!(isHome || isSearch || isProfile)) {
      return;
    }

    document.querySelectorAll("article").forEach((tweet) => {
      autoCheckLink(tweet);
    });
  };

  const observer = new MutationObserver(() => {
    processTweets();
  });

  window.addEventListener("load", () => {
    processTweets();
    observer.observe(document.body, { childList: true, subtree: true });
  });
})();