Created
February 15, 2017 06:38
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| function _LazyMan (name) { | |
| this.tasks = []; | |
| var self = this; | |
| var fn = (function (n) { | |
| var name = n; | |
| return function () { | |
| console.log('Hi! This is ' + name + '!'); | |
| self.next(); | |
| }; | |
| })(name); | |
| this.tasks.push(fn); | |
| setTimeout(function () { | |
| self.next(); | |
| }, 0); // 在下一个事件循环启动任务 | |
| } | |
| /* 事件调度函数 */ | |
| _LazyMan.prototype.next = function () { | |
| var fn = this.tasks.shift(); | |
| fn && fn(); | |
| }; | |
| _LazyMan.prototype.eat = function (name) { | |
| var self = this; | |
| var fn = (function (name) { | |
| return function () { | |
| console.log('Eat ' + name + '~'); | |
| self.next(); | |
| }; | |
| })(name); | |
| this.tasks.push(fn); | |
| return this; // 实现链式调用 | |
| }; | |
| _LazyMan.prototype.sleep = function (time) { | |
| var self = this; | |
| var fn = (function (time) { | |
| return function () { | |
| setTimeout(function () { | |
| console.log('Wake up after ' + time + 's!'); | |
| self.next(); | |
| }, time * 1000); | |
| }; | |
| })(time); | |
| this.tasks.push(fn); | |
| return this; | |
| }; | |
| _LazyMan.prototype.sleepFirst = function (time) { | |
| var self = this; | |
| var fn = (function (time) { | |
| return function () { | |
| setTimeout(function () { | |
| console.log('Wake up after ' + time + 's!'); | |
| self.next(); | |
| }, time * 1000); | |
| }; | |
| })(time); | |
| this.tasks.unshift(fn); | |
| return this; | |
| }; | |
| /* 封装 */ | |
| function LazyMan (name) { | |
| return new _LazyMan(name); | |
| } |
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