创建一个用来观察对象的observe类,这个类会附加在被观察的对象上,并且把被观察对象的属性值转换成getter/setter,同时,收集依赖和分发更新,实现代码如下: /* * not type checking this file because flow doesn't play well with * dynamically accessing methods on Array prototype */ var arrayProto = Array.prototype; var arra…
订阅功能的部分实现代码如下: /* */ var uid = 0; /** * A dep is an observable that can have multiple * directives subscribing to it. */ var Dep = function Dep () { this.id = uid++; this.subs = []; }; Dep.prototype.addSub = function addSub (sub) { this.subs.push(sub…
