codesandbox / codesandbox/codesandbox-client
TypeScript labeled tuples break prettier format-on-save
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- Dominant language
- JavaScript
- Stars
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- Forks
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Description
🐛 bug report
Preflight Checklist
- I have read the Contributing Guidelines for this project.
- I agree to follow the Code of Conduct that this project
adheres to. - I have searched the issue tracker for an issue that matches the one I want
to file, without success.
Description of the problem
TypeScript labeled tuples break prettier format-on-save.
How has this issue affected you? What are you trying to accomplish?
Have my files formatted properly on save.
To Reproduce
-
Paste the following into a typescript file:
export {}; type Rect = [x: number, y: number, width: number, height: number]; const rect: Rect = [0, 0, 150, 100]; document .createElement("canvas") .getContext("2d") .fillRect(...rect); -
Add arbitrary space to mess up the formatting
-
Save
Expected: Prettier automatically formats on save
Actual: Nothing changes on save
Link to sandbox
Sandbox - TypeScript labeled tuples break prettier format-on-save
Your Environment
| Software | Name/Version |
|---|---|
| Сodesandbox | e37e8f3a5 |
| Browser | Chrome Version 92.0.4515.131 |
| Operating System | Windows 10 |
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 issue from the linked CodeSandbox with the labeled-tuple TypeScript snippet and arbitrary spacing. Then trace the format-on-save path for TypeScript files. Done means saving the file applies the expected Prettier formatting instead of leaving it unchanged.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- typescript
- Domain
- developer-experience, tooling
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Clearly specified
- Newbie friendliness
- 35/100