`typeof` with `<` breaks syntax highlighting
Nobody has claimed this yet.
Assessment
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Newbie friendliness
- 45/100
- Issue type
- Bug
- Clarity
- Clearly specified
- Activity status
- Stale
- Tech stack
- javascript, typescript
- Domain
- tooling
Research direction
Reproduce the issue with the two TypeScript and JavaScript snippets in the report, beginning with the repository's TextMate grammar. Verify that < and <= after typeof remain highlighted as relational operators and that highlighting continues through the rest of each snippet.
Written by the indexing model from the issue text.
Description
JavaScript and TypeScript Nightly version: v5.1.20230416
Code
typeof x < ''; function f() {}
For context, here's the whole code where I noticed it (common in minified js):
var gt = typeof globalThis < "u" ? globalThis : typeof window < "u" ? window : typeof global < "u" ? global : typeof self < "u" ? self : {};
Actual behaviour: typeof with < or <= gets interpreted as the begin of a type parameter and breaks all syntax highlighting after it.


Expected behaviour: should be a relational operator.

- Dominant language
- TypeScript
- Stars
- 471
- Forks
- 149
- PR merge metrics
- No merged PRs in 30d
Contributor guide
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First steps
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