Voilent/Tamper/Grease Monkey scripts for YouTube

yt_disable_watchlater_autoplay.js

// ==UserScript==
// @name        YouTube Disable Watch Later Autoplay
// @namespace   lrstanley
// @match       https://www.youtube.com/*
// @grant       none
// @version     1.0.4
// @downloadURL https://gist.githubusercontent.com/lrstanley/789622b4c196c33d4e122bdc5d01da39/raw/yt_disable_watchlater_autoplay.js
// @updateURL   https://gist.githubusercontent.com/lrstanley/789622b4c196c33d4e122bdc5d01da39/raw/yt_disable_watchlater_autoplay.js
// @author      Liam Stanley
// @description This script disables the auto-play functionality for "Watch later" playlists. Watch later playlists ignore the user-configured auto-play option, so there is no way to disable it by default.
// @noframes
// ==/UserScript==
 
(function() {
  'use strict';

  function sleep(ms) {
    return new Promise(resolve => setTimeout(resolve, ms));
  }

  async function replaceLinks() {
    await sleep(1000);

    if (!window.location.pathname.startsWith("/playlist")) {
      return
    }

    let video_links = document.querySelectorAll('a#video-title[href^="/watch"], a#thumbnail.yt-simple-endpoint.inline-block.ytd-thumbnail[href^="/watch"]');

    for (let i = 0; i < video_links.length; i++) {
        let orig_dest = video_links[i].href;

        // example: https://www.youtube.com/watch?v=EXAMPLE&list=WL&index=1&t=3s
        let new_dest = orig_dest.split("&list")[0];
        video_links[i].data = null; // remove YouTubes data object that tries to override on outbound links.
        video_links[i].href = new_dest;
    }
  }

  document.addEventListener('yt-navigate-finish', replaceLinks);
  replaceLinks();
})();

yt_misc.js

// ==UserScript==
// @name        YouTube Misc. Enhancements
// @namespace   lrstanley
// @match       https://www.youtube.com/*
// @grant       none
// @version     1.0.2
// @downloadURL https://gist.githubusercontent.com/lrstanley/789622b4c196c33d4e122bdc5d01da39/raw/yt_misc.js
// @updateURL   https://gist.githubusercontent.com/lrstanley/789622b4c196c33d4e122bdc5d01da39/raw/yt_misc.js
// @author      lrstanley
// @description YouTube Misc. Enhancements
// @run-at      document-end
// @noframes
// ==/UserScript==

(function main() {
  'use strict';

  // Auto-pause video.
  var vid = document.getElementsByClassName("html5-main-video")[0];
  vid.addEventListener('loadeddata', function() {
     vid.pause();
  }, true);

  // Auto-expand video details.
  setTimeout(function() {
    document.querySelector("tp-yt-paper-button.ytd-expander#more").click()
    let prev_onscroll = window.onscroll;
    window.onscroll = function () { window.scrollTo(0, 0); };
    setTimeout(function() { window.onscroll = prev_onscroll }, 5000);
  }, 1000);
}());