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Arrow function with generic is confused with JSX tag #46765

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reggi opened this issue Nov 10, 2021 · 3 comments
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Arrow function with generic is confused with JSX tag #46765

reggi opened this issue Nov 10, 2021 · 3 comments
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@reggi
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reggi commented Nov 10, 2021 •
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Bug Report

🔎 Search Terms

react typescript generic anonymous function

🕗 Version & Regression Information

Latest version

⏯ Playground Link

https://www.typescriptlang.org/play?#code/G4QwTgBAFgpgNnA9hAvBAPAFQHwAoQBcEmAlKthAC5gCuMQA

💻 Code

var hello = <T>(a: T) => true

🙁 Actual behavior

Seems like typescript thinks that generic is JSX tag

🙂 Expected behavior

Typescript would realize that this is a generic and not JSX tag
@reggi
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reggi commented Nov 10, 2021

If you add extends does work var hello = <T extends any>(a: T) => true

@MartinJohns
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Duplicate of #15713.

@andrewbranch andrewbranch added the Duplicate An existing issue was already created label Nov 11, 2021
@typescript-bot
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This issue has been marked as a 'Duplicate' and has seen no recent activity. It has been automatically closed for house-keeping purposes.

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@reggi @andrewbranch @MartinJohns @typescript-bot