JS实现lazyMan

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今天看到一个有意思的题目,使用JS实现LazyMan
具体效果如下:

LazyMan('xx');
// Hello  xx
LazyMan('xx').eat('dinner');
//Hello xx
// Eat dinner ~~
LazyMan('xx').sleep(3000).eat('dinner');
//Hello xx
//Sleep 3000 ~~~
// Eat dinner ~~
LazyMan('xx').sleep(3000).eat('dinner').sleepFirst(2000);
//FirstSleep  2000 ~~~
//Hello xx
//Sleep 3000 ~~~
// Eat dinner ~~

看似很简单,实际实现起来还是有点意思的, 下面给出具体实现


function LazyMan( name ){
	return new _lazyMan( name )
}

function _lazyMan(name){
	this.task = [];
	var fn = (name=>{
		return  ()=>{
			console.log(`Hello  ${name}`);
			this.next()
		}
	})(name);
	
	this.task.push(fn);
	setTimeout( ()=>{
		this.next();
	}, 0)
}	

_lazyMan.prototype = {
	next: function(){
		var fn = this.task.shift();
		fn && fn();
	},
	eat: function(food){
		var fn = (food=>{
			return ()=>{
				console.log(`Eat ${food}`);
				this.next();
			}
		})(food);
		this.task.push(fn);
		return this;
	},
	sleep: function(time){
		var fn = (time=>{
			return ()=>{
				console.log(`Sleep ${time}`);
				setTimeout(()=>{
					this.next();
				}, time);								
			}
		})(time);
		this.task.push(fn);
		return this;
	},
	sleepFirst: function(time){
		var fn = (time=>{
			return ()=>{
				console.log(`FirstSleep ${time}`);
				setTimeout(()=>{
					this.next();
				}, time);								
			}
		})(time);
		this.task.unshift(fn);
		return this;
	}
}

// LazyMan('Hack');

// LazyMan('Hack').eat('dinner');

// LazyMan('Hack').sleep(2000).eat('dinner').sleepFirst(3000);

LazyMan("Joe").sleepFirst(3000).eat("breakfast").sleep(1000).eat("dinner");

YOLO+OpenClaw缺陷检测智能体 | 低代码工业质检自动化方案 | 含YOLO模型训练/智能体集成/任务全流程,支持离线日报/预警/趋势分析,解决实时性瓶颈问题(下篇) 某PCB板制造商需要对生产线上的PCB板进行缺陷检测,主要检测划痕、凹坑、污渍和裂纹等缺陷。原有人工检测方式效率仅为200件/小时,漏检率达5%,且检测人员长期工作易疲劳。 阅读详情

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如何实现一个 LazyMan?

网上看到一道 JavaScript 笔试题,感觉还挺有意思的,在此记录一番。 考察知识点:闭包,事件轮询机制,链式调用,队列 实现一个LazyMan,可以按照以下方式调用: LazyMan(“Hank”)输出: Hi! This is Hank! LazyMan(“Hank”).sleep(10).eat(“dinner”)输出 Hi! This is Hank! //等待10秒.. Wake ...

weixin_33716154的博客 970

lazyman的实现

lazyman

混世小妲己 184
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