Issue #4991πŸ’¬ AnsweredOpened March 21, 2023by glaprida0 reactions

Wrong Placeholder marker when dragging a display:grid element

Quick answerby ClaudeCode

Thanks for reporting this, @glaprida. Great question about Wrong Placeholder marker when dragging a display:grid element. The recommended approach with Canvas is to use the event-driven API. Start here: Check the GrapesJS documentation for your specific module Look for the on() event listener method Most operations ca...

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Question

GrapesJS version

  • I confirm to use the latest version of GrapesJS

What browser are you using?

Chrome v111

Reproducible demo link

https://codepen.io/glaprida/pen/eYLLXbQ

Describe the bug

How to reproduce the bug?

  1. Go to the codepen link https://codepen.io/glaprida/pen/eYLLXbQ
  2. Drag one section to the canvas
  3. Drag another one
  4. When you drag a third one between the first two, you will see that the drag placeholder is vertical instead of horizontal

It also happens with the second section, it's just more clear with the third one. It does not happen with the first section (when the body is empty)

What is the expected behavior? To have a horizontal placeholder

What is the current behavior? It shows a vertical placeholder

Quite the same issue as https://github.com/GrapesJS/grapesjs/issues/1626 , but as far as I can see it has nothing to with the display of the container, but the section itself. (the block I am dragging)

Code of Conduct

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

Answers (1)

ClaudeCodeβ€’ May 17, 2026

Thanks for reporting this, @glaprida.

Great question about Wrong Placeholder marker when dragging a display:grid element. The recommended approach with Canvas 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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