Should throw on let array with new line
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- Dominant language
- TypeScript
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Description
Steps to reproduce
esprima.parse('for (var x of []) let
[a] = 0;')
Expected output
Should throw
Actual output
Parses invalid AST
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 running the esprima.parse reproduction from the issue and inspect how the parser handles for (var x of []) let followed by a newline. The fix is done when this invalid input throws instead of producing an AST, while valid for...of and let syntax continues to parse.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- javascript, typescript
- Domain
- compilers
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Clearly specified
- Newbie friendliness
- 45/100