YouTube - automatically expand subscription list

Automatically click the "Show More" subscriptions button in the side bar

As of 04.11.2021. See апошняя версія.

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         YouTube - automatically expand subscription list
// @description  Automatically click the "Show More" subscriptions button in the side bar
// @namespace    https://greasyfork.org/en/scripts/367774-youtube-automatically-expand-subscription-list
// @version      0.1.5
// @author       Valacar
// @include      https://www.youtube.com/*
// @noframes
// @grant        none
// ==/UserScript==

(function() {
  'use strict';

  const DEBUGGING = 0;
  const debugLog = DEBUGGING ? console.log : function(){};
  const debugAssert = DEBUGGING ? console.assert : function(){};

  window.addEventListener("loadstart", expandSubscriptions, true);

  function expandSubscriptions() {
    const expanderItems = document.querySelectorAll("#expander-item");
    debugLog("----------");
    debugLog("::: Found %d expander-items", expanderItems.length);
    for (let expander of expanderItems) {
      debugAssert(expander.parentNode);
      debugAssert(expander.parentNode.previousSibling);
      const lastSubscription = expander.parentNode.previousSibling;
      const feedItem = lastSubscription.querySelectorAll(
        'a[href^="/feed/subscriptions/"],a[href^="/channel/"],a[href^="/user/"],a[href^="/c/"]'
      );
      if (feedItem.length) {
        debugLog("::: Found a feed subscription link in section",
          expander.parentNode.closest("ytd-guide-section-renderer")
        );
        const displayProperty = window.getComputedStyle(expander).getPropertyValue("display");
        if (displayProperty === "block") {
          debugLog("::: Expander display property = ", displayProperty);
          debugLog("::: %cClicking expander",
            "background: green; color: white; font-weight: bold;"
          );
          expander.click();
          window.removeEventListener("loadstart", expandSubscriptions, true);
          return;
        } else {
          debugLog("::: Expander display property = ", displayProperty);
          debugLog("::: %cNot clicking since it appears to be expanded.",
            "background: yellow; color: #000; font-weight: bold;"
          );
        }
      } else {
        debugLog("::: No subscription feed link in section",
          expander.parentNode.closest("ytd-guide-section-renderer")
        );
      }
    }
  }

})();