Malformed inline styles causing editor freeze
Question
GrapesJS version [x] I confirm to use the latest version of GrapesJS What browser are you using? Firefox 138.0.4 Reproducible demo link https://codesandbox.io/p/sandbox/exciting-lalande-98d5vw Describe the bug How to reproduce the bug? Add page with component that has malformed inline styles Editor does not load and entire page becomes unresponsive. Firefox shows "This page is slowing down firefox" warning What is the expected behavior? If editor cannot parse CSS, it would be nice to log the error in console and not block the entire app What is the current behavior? Editor becomes unresponsiv...
Answers (2)
Thanks for the report @tim-prom
The issue you've encountered, where GrapesJS freezes due to malformed inline styles, is a critical bug stemming from how the editor's internal CSS parser handles invalid syntax, specifically unclosed comments. Root Cause The problem lies in the style attribute of your h3 element: <h3 style="text-al...
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