如何将分部属性与类型的默认值合并并返回类型的实例

class Person {
  name: string;
  age?: number;
  gender?: string;

  constructor(name: string, age: number = 18, gender: string = 'male') {
    this.name = name;
    this.age = age;
    this.gender = gender;
  }
}

function createPerson({ name, age, gender }: { name: string, age?: number, gender?: string }): Person {
  return new Person(name, age, gender);
}

const person1 = createPerson({ name: 'Alice' });
console.log(person1); // Output: Person { name: 'Alice', age: 18, gender: 'male' }

const person2 = createPerson({ name: 'Bob', age: 25, gender: 'female' });
console.log(person2); // Output: Person { name: 'Bob', age: 25, gender: 'female' }