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YouTube - automatically expand subscription list

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

От 04.11.2021. Виж последната версия.

// ==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")
        );
      }
    }
  }

})();