microsoft / microsoft/TypeScript
Declaration emit for private identifiers in class expressions is wrong
Open
Nobody has claimed this yet.
Bug
Domain: Declaration Emit
Help Wanted
Rescheduled
- Dominant language
- Go
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- Avg merge
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Description
Code
const O = class { #g }
Expected behavior:
declare const O = class { #private }
Actual behavior:
declare const O: {
new (): {
"__#1@#g": any;
};
};
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
Reproduce the issue with the provided class-expression snippet and declaration emit, then trace how private identifiers are represented when emitting declarations for class expressions. Compare the output with the expected #private declaration; done means the emitted declaration matches the expected behavior without regressing related private-identifier cases.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- typescript
- Domain
- compilers
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100