Notion.so DOMLock bypass

Disable notion.so DOMLock, which prevents DOM modification from extensions.

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 or Violentmonkey 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         Notion.so DOMLock bypass
// @description  Disable notion.so DOMLock, which prevents DOM modification from extensions.
// @namespace    http://tampermonkey.net/
// @version      0.1
// @author       Sophie Saiada (sophies.dev)
// @license MIT
// @include      https://www.notion.so/*
// @grant        none
// ==/UserScript==

(function () {
  const lockAfterRenderRegex =
    /\W+at [a-zA-Z]+\.lockAfterRender \(https:\/\/www.notion.so\/app/;
  // eslint-disable-next-line no-proto
  const mutationObserverPrototype = MutationObserver.prototype;
  const originalObserve = mutationObserverPrototype.observe;
  mutationObserverPrototype.observe = function () {
    const stackLines = new Error().stack.split("\n");
    if (
      stackLines.some(function (line) {
        return line.match(lockAfterRenderRegex) !== null;
      })
    ) {
      return;
    }
    originalObserve.call(this, ...arguments);
  };
})();