Canvas.script entries can not be JS modules
Question
GrapesJS version[X] I confirm to use the latest version of GrapesJSWhat browser are you using? Version 1.56.20 Chromium: 115.0.5790.171 (Offizieller Build) (arm64)Reproducible demo link noneDescribe the bug links entered into can not refer to JavaScript modules, or you may run into the following error: This makes it really difficult to use modern JavaScript in combination with GrapesJSCode of Conduct[X] I agree to follow this project's Code of Conduct
Answers (3)
scripts: [
{ src: '...file.js', type: 'module' },
],
good to know, thanks
The issue you're encountering, "Uncaught SyntaxError: Cannot use import statement outside a module," arises because the canvas.scripts option in GrapesJS injects script URLs using standard <script> tags. By default, browsers treat these as classic scripts, which do not support ES module syntax (imp...
Related Questions and Answers
Continue research with similar issue discussions.
Issue #5354
Canvas.script entries do not respect an "import map"
GrapesJS version[X] I confirm to use the latest version of GrapesJSWhat browser are you using? Version 1.56.20 Chromium: 115.0.5790.171 (Of...
Issue #5352
Uncaught SyntaxError: Unexpected token '{' at CanvasView.ts:590:12
GrapesJS version [X] I confirm to use the latest version of GrapesJS What browser are you using? Version 1.56.20 Chromium: 115.0.5790.171 (...
Issue #5363
Cannot "sort" elements of layer panel
GrapesJS version[X] I confirm to use the latest version of GrapesJSWhat browser are you using? Version 1.56.20 Chromium: 115.0.5790.171 (Of...
Issue #5362
Draggable/droppable property functions not called while dragging
GrapesJS version [X] I confirm to use the latest version of GrapesJS What browser are you using? Version 1.56.20 Chromium: 115.0.5790.171 (...
Paid Plugins That Match This Issue
Curated by issue keywords and label relevance to help you ship faster.
Loading paid plugin recommendations...
Check the open-source GrapesJS plugins on GitHub or run a quick search in our free catalog.
Browse free plugins āPremium plugins ship with support, regular updates, and production-ready features ā save days of integration work.
Browse premium plugins āRelated tutorials
In-depth guides on the same topic.
Tutorial
UnStudio for GrapesJS: 4 Plugins to Build Better Visual Editors
Meet UnStudio, a new GrapesJS plugin studio with four tools, safer and better editor: Command Palette, Responsive Pack, Autosave & Restore, and Autofill
Tutorial
Claude Skill for GrapesJS: How AI Is Changing the Way We Build Visual Editors
We've released the Claude Skill for GrapesJS Development ā a free, open-source skill that turns Claude into a developer who actually knows GrapesJS
Tutorial
Vanilla GrapesJS vs GrapesJS With Plugins: What You Actually Get Out of the Box (2026)
New to GrapesJS? See exactly what the stock editor gives you, where it falls short, and which plugins close the gaps ā a beginner-friendly 2026 comparison
Browse Plugin Categories
Jump directly to plugin category pages on the marketplace.