microsoft / microsoft/TypeScript
`allowUnusedLabels` should be false in the --init configuration
Nobody has claimed this yet.
- Dominant language
- Go
- Stars
- 111k
- Forks
- 14.3k
- Avg merge
- 2d 4h
- Merged PRs (30d)
- 132
Description
TypeScript Version: nightly
Search Terms: allowUnusedLabels
Code
Compile with tsc --init
console.log("a", "b"), { value: 3 };
Expected behavior: This should be an error; the closing paren was misplaced
Actual behavior: No error
Playground Link: https://www.typescriptlang.org/play?#code/MYewdgziA2CmB00QHMAUAiAhugNAAnQCN0BKfAbzwDdNoBXWALjwGY8BfAbgCgg
Related Issues: No
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 tracing the --init configuration handling for allowUnusedLabels and reproduce the reported snippet with tsc --init. Confirm the generated setting and compiler behavior against the expected error; done means the initialized configuration disables unused-label allowance and the misplaced closing parenthesis is reported.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- typescript
- Domain
- compilers
- Issue type
- Bug
- Difficulty
- 2/5
- Estimated time
- 1-3 hours
- Activity status
- Stale
- Clarity
- Clearly specified
- Newbie friendliness
- 52/100