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Type Alias: ArrayElementType<T>

ArrayElementType<T> = T extends infer K[] ? K : T extends readonly infer RK[] ? RK : T

Defined in: types.ts:237

Gets a union type of all the keys that are in an array.

Type Parameters​

Type Parameter
T

Example​

const sample = [1, 2, '3', true];

type arrayUnion = ArrayElementType<typeof sample>;
// Expected: string | number | boolean