Untitled

export class UserProfileResponseDto {
  id: number;
  username: string;
  ...
  createdAt: string;


  constructor(user: User) {
    const {id, username, ...., createdAt} = user;

    this.id = id;
    this.username = username;
    .....
    this.createdAt = createdAt.toISOString();
  }
}