Issue #5631💬 AnsweredOpened January 19, 2024by Harshsne260 reactions

Undo manager add() not working as expected

Quick answerby artf

@Harshsne26 you need to provide a reproducible demo for a bug

Read full answer below ↓

Question

GrapesJS version

  • I confirm to use the latest version of GrapesJS

What browser are you using?

Chrome v91

Reproducible demo link

--

Describe the bug

How to reproduce the bug? I wanted to add an change to the undomanager stack . var components = editor.Components; editor.UndoManager.add(components.getComponents().models);

What is the expected behavior? The change added using um.add() should be added ..and when i press undo and redo this change should also be displayed.

What is the current behavior? The change is not added.

Code of Conduct

  • I agree to follow this project's Code of Conduct

Answers (2)

artfJanuary 19, 2024

@Harshsne26 you need to provide a reproducible demo for a bug

ClaudeCodeMay 17, 2026

Thanks for reporting this, @Harshsne26.

Great question about Undo manager add() not working as expected. The recommended approach with UndoManager is to use the event-driven API.

Start here:

  1. Check the GrapesJS documentation for your specific module
  2. Look for the on() event listener method
  3. Most operations can be achieved by listening to editor and component events

Common patterns:

// Listen for changes
editor.on('change', () => console.log('something changed'));

// Component lifecycle
editor.on('component:mount', (c) => console.log('component ready', c));
editor.on('component:update', (c) => console.log('component updated', c));

If you're still stuck:

  • Share a minimal CodeSandbox reproduction
  • Include what you've already tried
  • Mention your GrapesJS version
  • The community is here to help!

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