Auto Close NotebookLM Panels

Close the source & studio panels after navigating to notebooklm

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        Auto Close NotebookLM Panels
// @namespace   Violentmonkey Scripts
// @match       https://notebooklm.google.com/*
// @run-at      document-start
// @version     1.0
// @author      Bui Quoc Dung
// @description Close the source & studio panels after navigating to notebooklm
// @license     MIT
// ==/UserScript==

(function () {
  'use strict';

  const DELAY_MS = 2000;
  const SELECTORS = [
    'button.toggle-source-panel-button',
    'button.toggle-studio-panel-button'
  ];

  let lastHandledUrl = null;

  function closePanelsOnceForCurrentUrl() {
    if (!location.pathname.startsWith('/notebook/')) return;
    if (lastHandledUrl === location.href) return;
    lastHandledUrl = location.href;

    setTimeout(() => {
      for (const sel of SELECTORS) {
        try {
          const btn = document.querySelector(sel);
          if (btn) btn.click();
        } catch (e) {
        }
      }
    }, DELAY_MS);
  }


  if (document.readyState === 'loading') {
    document.addEventListener('DOMContentLoaded', closePanelsOnceForCurrentUrl);
  } else {
    closePanelsOnceForCurrentUrl();
  }

  (function patchHistory() {
    const _push = history.pushState;
    const _replace = history.replaceState;

    history.pushState = function (...args) {
      const res = _push.apply(this, args);
      window.dispatchEvent(new Event('locationchange'));
      return res;
    };

    history.replaceState = function (...args) {
      const res = _replace.apply(this, args);
      window.dispatchEvent(new Event('locationchange'));
      return res;
    };

    window.addEventListener('popstate', () => window.dispatchEvent(new Event('locationchange')));
    window.addEventListener('locationchange', closePanelsOnceForCurrentUrl);
  })();

})();