Doesn't throw on eval /arguments in destructuring binding
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- TypeScript
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Description
Specs says: "It is a Syntax Error if IsValidSimpleAssignmentTarget of IdentifierReference is false"
Steps to reproduce
esprima.parse('"use strict"; 1, { arguments } = [];')
Expected output
Syntax error
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 example from the issue and inspect the parser entry points handling destructuring bindings and strict-mode validation. Done means the same input reports a syntax error instead of producing an AST, with coverage for this reproduction added where the parser's existing tests are located.
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
- Mostly clear
- Newbie friendliness
- 45/100