Attempting to access Result value in possible error case. about white-label HOT 1 OPEN

 public static toDomain (raw: any): User {
    const userEmailOrError = UserEmail.create(raw.user_email);
    const userPasswordOrError = UserPassword.create(raw.user_password); 
    const combinedPropsResult = Result.combine([userEmailOrError, userPasswordOrError]);
    
    if (!combinedPropsResult.success) {
       throw new Error(combinedPropsResult.message)
    }

    const userOrError = User.create({
      email: userEmailOrError.getValue(),
      password: userPasswordOrError.getValue(),
      firstName: raw.first_name,
      lastName: raw.last_name,
      isEmailVerified: raw.is_email_verified,
      username: raw.username
    }, new UniqueEntityID(raw.base_user_id))

    return userOrError.isSuccess ? userOrError.getValue() : null;
  }

export class MemberRepo implements IMemberRepo {
  private models: any;

  constructor (models: any) {
    this.models = models;
  }
... 
  public async getMemberIdByUserId (userId: string): Promise<MemberId> {
    const MemberModel = this.models.Member;
    const baseQuery = this.createBaseQuery();
    baseQuery.where['member_base_id'] = userId;
    const member = await MemberModel.findOne(baseQuery);
    const found = !!member === true;
    if (!found) throw new Error('Member id not found');
    return MemberIdMap.toDomain(member);
  }
}

export namespace GetMemberByUserNameErrors {

  export class MemberNotFoundError extends Result<UseCaseError> {
    constructor (username: string) {
      super(false, {
        message: `Couldn't find a member with the username ${username}`
      } as UseCaseError)
    }
  }
}