Parses invalid escaped new.target
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- Dominant language
- TypeScript
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Description
The target contextual keyword must not contain Unicode escape sequences.
esprima.parse('function f() { new.t\\u0061rget; }')
Expected output
To throw an error
Actual output
Parses an AST node
Relevant references
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 with the esprima.parse entry point and compare its handling of the escaped target against the linked TC39 test262 case. Reproduce the example and verify that parsing new.t\u0061rget throws an error rather than producing an AST node.
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
- 38/100