18 lines
604 B
Plaintext
18 lines
604 B
Plaintext
export namespace enumUtil {
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type UnionToIntersectionFn<T> = (T extends unknown ? (k: () => T) => void : never) extends (
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k: infer Intersection
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) => void
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? Intersection
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: never;
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type GetUnionLast<T> = UnionToIntersectionFn<T> extends () => infer Last ? Last : never;
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type UnionToTuple<T, Tuple extends unknown[] = []> = [T] extends [never]
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? Tuple
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: UnionToTuple<Exclude<T, GetUnionLast<T>>, [GetUnionLast<T>, ...Tuple]>;
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type CastToStringTuple<T> = T extends [string, ...string[]] ? T : never;
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export type UnionToTupleString<T> = CastToStringTuple<UnionToTuple<T>>;
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}
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