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189 - Awaited #32114

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dev-hobin opened this issue Feb 7, 2024 · 0 comments

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dev-hobin commented Feb 7, 2024

type MyAwaited<T extends PromiseLike<any>> =  
  T extends PromiseLike<infer U>
    ? U extends PromiseLike<any>
      ? MyAwaited<U>
      : U
    : never

PromiseLike 라는 타입에 대해 새로 알았다.
MyAwaited 케이스에서 타입 에러를 발생 시키기 위해서 T extends PromiseLike 로 타입 범위 제한을 하는 법을 배웠다.

dev-hobin added the answer label

github-actions bot added the 189 label

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