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rescan gt token at the end of type args parsing #15631

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merged 1 commit into from May 17, 2023

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JLHwung
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@JLHwung JLHwung commented May 16, 2023

Q                       A
Fixed Issues? Fixes #15628
Patch: Bug Fix? Yes
Major: Breaking Change?
Minor: New Feature?
Tests Added + Pass? Yes
Documentation PR Link
Any Dependency Changes?
License MIT

This PR fixes an edge case where >= is incorrectly parsed as > and = at the boundary between type arguments and non-type js expressions. The token > is parsed in previous node.params when inType is true. Here we should reset the tokenizer and rescan the token.

@JLHwung JLHwung added PR: Bug Fix 🐛 A type of pull request used for our changelog categories pkg: parser area: typescript labels May 16, 2023
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Build successful! You can test your changes in the REPL here: https://babeljs.io/repl/build/54420/

@nicolo-ribaudo nicolo-ribaudo merged commit c5f68eb into babel:main May 17, 2023
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@nicolo-ribaudo nicolo-ribaudo deleted the fix-15628 branch May 17, 2023 07:37
@github-actions github-actions bot added the outdated A closed issue/PR that is archived due to age. Recommended to make a new issue label Aug 17, 2023
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Successfully merging this pull request may close these issues.

[Bug]: x < y >= z is incorrectly considered an assignment expression in TypeScript
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