lazyMan

LazyMan

class LazyMan {
  name: string;
  tasks: Function[] = [];

  constructor(name: string) {
    this.name = name;
    setTimeout(() => this.next());
  }

  private next() {
    const task = this.tasks.shift();
    task && task();
  }

  eat(food: string) {
    this.tasks.push(() => {
      console.log(`${this.name} 吃了 ${food}`);
      this.next();
    });

    return this;
  }

  sleep(time: number) {
    const task = () => {
      console.log(`${this.name} 睡了 ${time / 1000}秒`);
      this.next();
    };

    this.tasks.push(() => {
      setTimeout(task, time);
    });

    return this;
  }
}

测试

new LazyMan("jack")
    .eat("🍇")
    .sleep(2000)
    .eat("🍊")
    .sleep(1000)
    .eat("🍌");