typescript union as array

Ill Ibis answered on February 7, 2023 Popularity 9/10 Helpfulness 1/10

answer typescript union as array

typescript union as array

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type NoneEmptyArray = readonly any[] & {0: any}
type CompareUnionWithArray<P, Q extends NoneEmptyArray> = Exclude<P, Q[number]> extends never
    ? (Exclude<Q[number], P> extends never ? Q : ReadonlyArray<P>)
    : readonly [...Q, Exclude<P, Q[number]>]
export function assertTypeEquals<P, Q extends NoneEmptyArray>(test: CompareUnionWithArray<P, Q>): void {}

Popularity 9/10 Helpfulness 1/10 Language typescript

Source: stackoverflow.com

Tags: typescript union

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Contributed on Feb 07 2023

Ill Ibis

0 Answers Avg Quality 2/10

typescript union as array

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