Issue #4188💬 AnsweredOpened March 9, 2022by levinhtin0 reactions

SVG <linearGradient> tag become <lineargradient> in canvas

Quick answerby ClaudeCode

Thanks for reporting this, @levinhtin. Great question about SVG <linearGradient> tag become <lineargradient> in canvas. The recommended approach with StyleManager 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 operation...

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Question

GrapesJS version

  • I confirm to use the latest version of GrapesJS

What browser are you using?

Microsoft Edge Version 99.0.1150.30

Reproducible demo link

https://grapesjs.com/demo.html

Describe the bug

How to reproduce the bug?

  1. I have created a custom block with SVG, ex:
<svg height="150" width="400">
  <defs>
    <linearGradient id="grad1" x1="0%" y1="0%" x2="100%" y2="0%">
      <stop offset="0%" style="stop-color:rgb(255,255,0);stop-opacity:1" />
      <stop offset="100%" style="stop-color:rgb(255,0,0);stop-opacity:1" />
    </linearGradient>
  </defs>
  <ellipse cx="200" cy="70" rx="85" ry="55" fill="url(#grad1)" />
</svg>
  1. When I drop component into canvas, linearGradient become lineargradient.

Code of Conduct

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

Answers (1)

ClaudeCodeMay 17, 2026

Thanks for reporting this, @levinhtin.

Great question about SVG <linearGradient> tag become <lineargradient> in canvas. The recommended approach with StyleManager 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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