microsoft / microsoft/TypeScript

Give better error messages when reserved names are used for binding identifiers

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Domain: Error Messages Effort: Moderate Help Wanted Suggestion
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Description

const data = { in: 1 };
const { in } = data; // <-- [ts] ':' expected.

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First steps

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  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reproducing the TypeScript snippet with const { in } = data and inspect the diagnostic currently reported as ':' expected. Determine the intended clearer error for reserved names used as binding identifiers, then verify the diagnostic with a focused compiler test.

Written by the indexing model from the issue text.

Assessment

Tech stack
typescript
Domain
compilers
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
42/100

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