microsoft / microsoft/TypeScript-TmLanguage

Incorrect Javascript syntax highlighting with typeof value and less than (or equal to) operator

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#1,050 2 comments 0 reactions 0 assignees View on GitHub

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Dominant language
TypeScript
Stars
471
Forks
149
PR merge metrics
No merged PRs in 30d

Description

Does this issue occur when all extensions are disabled?: Yes

  • VS Code Version: 1.96.2
  • OS Version: macOS 15.3.2 (24D81), Darwin arm64 24.3.0

Steps to Reproduce:

x = typeof y < 'z';
if (x) {
} else {
}

Image

Image

Contributor guide

No contributing guide indexed for this repository

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Reproduce the snippet in VS Code with all extensions disabled, then inspect the TypeScript TextMate grammar used by this repository. Compare the highlighting around typeof and the comparison operator with the issue screenshots; done means the expression is highlighted consistently with the intended JavaScript syntax.

Written by the indexing model from the issue text.

Assessment

Tech stack
typescript
Domain
tooling
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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