Type Alias EnsureNullableType<Original>

EnsureNullableType: Original extends Primitive
    ? Original
    : Simplify<
        {
            [Key in RequiredKeysOf<Extract<Original, object>> as IsNullable<
                Original[Key],
            > extends true
                ? never
                : Key]: EnsureNullableType<Original[Key]>
        } & {
            [Key in OptionalKeysOf<Extract<Original, object>>]?:
                | EnsureNullableType<Original[Key]>
                | null
        } & {
            [Key in RequiredKeysOf<Extract<Original, object>> as IsNullable<
                Original[Key],
            > extends true
                ? Key
                : never]?: EnsureNullableType<Original[Key]>
            | null
        },
    >