lazy-man.ts

/**
 * @description lazy man
 * @author tangc1
 * @date 2022-04-23 12:47:03
*/
classLazyMan{
privatename: string
privatetasks: Function[]=[]// 任务列表

constructor(name: string){
this.name=name

setTimeout(()=>{
this.next()
});
}

privatenext(){
consttask=this.tasks.shift()// 取出第一个task
if(task)task()
}

eat(foot: string){
consttask=()=>{
console.info(`${this.name} eat ${foot}`);
this.next()// 立即执行下一个任务
}
this.tasks.push(task)
returnthis// 链式调用
}

sleep(second: number){
consttask=()=>{
setTimeout(()=>{
console.info(`${this.name} sleep ${second}秒`);
this.next()// second秒之后执行下一个任务
},second*1000);
}
this.tasks.push(task)
returnthis// 链式调用
}
}

constme=newLazyMan('zhangsan')
me.eat('apple').eat('banana').sleep(2).eat('rice')