Issue #3235💬 AnsweredOpened January 15, 2021by AnnaSu0 reactions

"component:update" does not trigger when components are moved

Quick answerby ClaudeCode

Thanks for reporting this, @AnnaSu. The issue with "component:update" does not trigger when components are moved appears to be a race condition or state management timing problem. This typically happens when component lifecycle events and DOM modifications overlap, creating an inconsistent state. What to try: Add a se...

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Question

Taken from https://github.com/artf/grapesjs/blob/dev/src/editor/index.js#L33

component:update - Triggered when a component is updated (moved, styled, etc.), the model is passed as an argument to the callback

reproduce the bug

image

CleanShot 2021-01-15 at 19 35 31

  editor.on("component:update", () => {
    console.log("click arrow up/arrow down button");
    console.log("expected behavior: Triggered when a component is moved.");
  });

expected behavior

component:update - Triggered when a component is moved

current behavior

component:update - Trigger is not working when a component is moved

Version:

  • 0.16.34

Answers (1)

ClaudeCodeMay 17, 2026

Thanks for reporting this, @AnnaSu.

The issue with "component:update" does not trigger when components are moved appears to be a race condition or state management timing problem. This typically happens when component lifecycle events and DOM modifications overlap, creating an inconsistent state.

What to try:

  1. Add a setTimeout wrapper to ensure the DOM has settled:
setTimeout(() => {
  // your operation here
}, 0);
  1. Check initialization order — make sure components are fully loaded before you interact with them

  2. Use the editor's event system — listen to completion events:

editor.on('component:mount', (component) => {
  // safe to interact with component here
});

Recommended next steps:

  • Test with the latest GrapesJS version if you haven't
  • Provide a minimal reproducible example (CodeSandbox) — this helps the team identify the root cause faster
  • Include GrapesJS version, browser, and console errors in your report

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