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RequiredDeep type

Like Required but recursive

Signature:

export declare type RequiredDeep<T> = T extends Builtin
? NonNullable<T>
: T extends Map<infer K, infer V>
? Map<RequiredDeep<K>, RequiredDeep<V>>
: T extends ReadonlyMap<infer K, infer V>
? ReadonlyMap<RequiredDeep<K>, RequiredDeep<V>>
: T extends WeakMap<infer K, infer V>
? WeakMap<RequiredDeep<K>, RequiredDeep<V>>
: T extends Set<infer U>
? Set<RequiredDeep<U>>
: T extends ReadonlySet<infer U>
? ReadonlySet<RequiredDeep<U>>
: T extends WeakSet<infer U>
? WeakSet<RequiredDeep<U>>
: T extends Promise<infer U>
? Promise<RequiredDeep<U>>
: T extends {}
? {
    [K in keyof T]-?: RequiredDeep<T[K]>;
}
: NonNullable<T>;

References: RequiredDeep

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