Legacy Octal Escape Sequence doesn't throw in strict mode
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- Dominant language
- TypeScript
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Description
Legacy Octal Escape Sequence doesn't throw in strict mode
Steps to reproduce
esprima.parse(''\08';')
Expected output
Should throw in strict mode
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 reported Esprima parse example and trace how strict-mode string literals are handled. The issue names no files or tests; done means the legacy octal escape is rejected in strict mode and the behavior is covered by a regression test.
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
- 42/100