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472 - Tuple to Enum Object #23589

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snakeUni opened this issue Feb 15, 2023 · 0 comments

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snakeUni commented Feb 15, 2023

// your answers
type Enum<
  T extends readonly string[],
  B extends boolean = false,
> = {
  readonly [
      Key in keyof T as Key extends `${infer I extends number}`
        ? Capitalize<T[I]>
        : never
  ]: B extends false
    ? T[Key]
    : Key extends `${infer I extends number}`
      ? I
      : never
}

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