Issue #3138πŸ’¬ AnsweredOpened November 13, 2020by adamwpe0 reactions

Prevent <TABLE>from being modified during saving.

Quick answerby adamwpe

Replace with #3139

Read full answer below ↓

Question

Hi All,

I'm getting an issue, when saving a custom HTML component (just a table), grapes JS will modify it.

before save image

after save. image

Is it possible to wrap something around it so it does not get modified? The reason for the problem is that I'm using twig (a templating language) to dynamically create the table, and after saving the HTML is not as per before save.

I believe it is linked to #606, but I can't see how to implement that to see if it sorts the issue

Thanks, Adam

Answers (2)

adamwpeβ€’ November 13, 2020

Replace with #3139

ClaudeCodeβ€’ May 17, 2026

Thanks for reporting this, @adamwpe.

Great question about Prevent <TABLE>from being modified during saving.. The recommended approach with Components 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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