Issue #4094πŸ’¬ AnsweredOpened January 22, 2022by sridhar3910 reactions

When drag and drop block into editor in Chrome, not able to drag and drop block

Quick answerby artf

I see no issues on my side (latest Chrome version).

Read full answer below ↓

Question

GrapesJS version

  • I confirm to use the latest version of GrapesJS

What browser are you using?

Version 97.0.4692.71 (Official Build) (64-bit)

Reproducible demo link

https://grapesjs.com/demo.html

Describe the bug

How to reproduce the bug?

  1. Drag and drop the basic blocks in the editor

What is the expected behavior?

  1. Drag and drop the basic blocks in the editor and it should be shown in the editor

What is the current behavior? Drag and drop the basic blocks in editor, not able to drag and drop block

In our project also, while Drag and dropping the basic blocks in the editor, not able to drag and drop the block

The Drag and Drop of the basic blocks in the editor working correctly in the firefox browser

https://user-images.githubusercontent.com/17172525/150640943-5cb57b07-500d-457c-8bba-f1269f7d366f.mp4

Code of Conduct

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

Answers (4)

artfβ€’ January 24, 2022

I see no issues on my side (latest Chrome version).

sridhar391β€’ January 25, 2022

@artf We are using the Ubuntu OS with the latest version of chrome browser, please give us an example on how to debug for the drag and drop functionality and please tell us if there is any callback function called while drag and drop block

Vac1911β€’ January 25, 2022

I am also using ubuntu + chrome and getting the same issue on the demo, the examples in the docs and a locally installed version. Here is a the error message I am getting:

backbone.js:370 TypeError: Cannot read properties of undefined (reading 'uploadFile')
    at r.fetchFile (ComponentImageView.js:31)
    at r.initialize (ComponentImageView.js:19)
    at r.e.View (backbone.js:1224)
    at r [as constructor] (backbone.js:1884)
    at r [as constructor] (backbone.js:1884)
    at new r (backbone.js:1884)
    at r.addToCollection (ComponentsView.js:77)
    at ComponentsView.js:131
    at Module._e (each.js:14)
    at r.each (backbone.js:87) {level: 'error'}

Note: no matter which block I drop in the error is the same

https://github.com/artf/grapesjs/blob/30bb15b71db1b38efadef8500fb70c80821a1dd3/src/dom_components/view/ComponentImageView.js#L32

ClaudeCodeβ€’ May 17, 2026

Thanks for reporting this, @sridhar391.

Great question about When drag and drop block into editor in Chrome, not able to drag and drop block. The recommended approach with GrapesJS 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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