generator declaration not allowed in statement position (labeled)
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- TypeScript
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Description
Generator declaration not allowed in statement position
Steps to reproduce
esprima.parse('label: function* g() {}')
Expected output
Throw an 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 reproduction for the labeled generator declaration and trace how labeled statements and generator declarations are handled. Locate the existing parser tests for invalid syntax and add a regression case showing that this input throws an error rather than producing an AST.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- javascript
- Domain
- compilers
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 45/100