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How to type a non-empty array in typescript?
1export type NonEmptyArray<T> = [T, ...T[]];How to type a array which shouldn't contain nullable item?
1export type NonNullableElement<T> = T extends (infer U)[] ? NonNullable<U>[] : T;1export type NonEmptyArray<T> = [T, ...T[]];1export type NonNullableElement<T> = T extends (infer U)[] ? NonNullable<U>[] : T;