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jsx-development: do not emit this within ts module block #14271

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merged 1 commit into from Feb 15, 2022

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JLHwung
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@JLHwung JLHwung commented Feb 14, 2022

Q                       A
Fixed Issues? Fixes #14270
Patch: Bug Fix? Y
Major: Breaking Change?
Minor: New Feature?
Tests Added + Pass? Yes
Documentation PR Link
Any Dependency Changes?
License MIT

In this PR we avoid generating this within in a TS module block since they are invalid TypeScript. Currently this within module block e.g.

namespace X {
  const x = () => this
}

is parsed successfully, we should probably throw recoverable errors, too.

@JLHwung JLHwung added area: jsx area: typescript PR: Bug Fix 🐛 A type of pull request used for our changelog categories labels Feb 14, 2022
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babel-bot commented Feb 14, 2022

Build successful! You can test your changes in the REPL here: https://babeljs.io/repl/build/51291/

@nicolo-ribaudo nicolo-ribaudo changed the title jsx-development: do not emit this within ts module block jsx-development: do not emit this within ts module block Feb 15, 2022
@nicolo-ribaudo nicolo-ribaudo merged commit ef10c64 into babel:main Feb 15, 2022
@nicolo-ribaudo nicolo-ribaudo deleted the fix-14270 branch February 15, 2022 12:50
@github-actions github-actions bot added the outdated A closed issue/PR that is archived due to age.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 May 18, 2022
@github-actions github-actions bot locked as resolved and limited conversation to collaborators May 18, 2022
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Successfully merging this pull request may close these issues.

[Bug]: @babel/plugin-transform-react-jsx-development emits illegal references to this in TS namespaces
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