Function useUser

Returns
    | {
        error: Error;
        invalidate: () => Promise<User | undefined>;
        isLoading: boolean;
        user: null;
    }
    | {
        error: null;
        invalidate: () => Promise<User | undefined>;
        isLoading: boolean;
        user: User;
    }
    | {
        error: undefined;
        invalidate: () => Promise<User | undefined>;
        isLoading: boolean;
        user: undefined;
    }