microsoft / microsoft/monaco-editor
[Bug] [Unhandled error] Error: Uncaught SyntaxError: Unexpected token '<' in vite8 development
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- Dominant language
- JavaScript
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Description
Reproducible in vscode.dev or in VS Code Desktop?
- Not reproducible in vscode.dev or VS Code Desktop
Reproducible in the monaco editor playground?
- Not reproducible in the monaco editor playground
Monaco Editor Playground Link
main thread, which might cause UI freezes. Please see https://github.com/microsoft/monaco-editor#faq
WARN 15:19:02 [vite] (client) [console.warn] Uncaught SyntaxError: Unexpected token '<' 15:19:02
WARN 15:19:02 [vite] (client) [console.warn] Uncaught SyntaxError: Unexpected token '<' (x2) 15:19:02
WARN 15:19:02 [vite] (client) [console.warn] Uncaught SyntaxError: Unexpected token '<' (x3)
15:19:02
ERROR 15:19:02 [vite] (client) [Unhandled error] Error: Uncaught SyntaxError: Unexpected token '<'
15:19:02
../../@vite/client:516:55
Monaco Editor Playground Code
Reproduction Steps
No response
Actual (Problematic) Behavior
No response
Expected Behavior
No response
Additional Context
No response
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by reproducing the error in the Vite development setup described, then inspect the @vite/client:516:55 location and the Monaco Editor Playground context. The issue provides no reproduction steps, playground code, expected behavior, or named repository files, so completion requires establishing a reliable reproduction and confirming the cause and resolution.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- javascript, vite
- Domain
- frontend, tooling
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Quiet
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100