scope in typeorm

class UserScopes extends SelectQueryBuilder<User> {
  get notDeleted(): UserScopes {
    return this.andWhere("state != :state", {state: "deleted"});
  }
}

@EntityRepository(User)
export class UserRepository extends Repository<User> {
  get scoped(): UserScopes {
    return new UserScopes(this.createQueryBuilder("user"));
  }
}