class User {
  id: number;
  name: string;
  email: string;

  constructor(id: number, name: string, email: string) {
    this.id = id;
    this.name = name;
    this.email = email;
  }

  static getById(id: number, users: User[]): User | undefined {
    return users.find(user => user.id === id);
  }
}

const users = [
  new User(1, 'Alice', '[email protected]'),
  new User(2, 'Bob', '[email protected]'),
  new User(3, 'Charlie', '[email protected]'),
];

const user = User.getById(2, users);
if (user) {
  console.log(user.name);
} else {
  console.log('User not found');
}