observer-data

Observer data、defineProperty

install

npm i observer-data --save

use

let ObserverData = require('observer-data');//cjs
//let ObserverData = require('xxx/node_modules/observer-data.umd.js');//umd
//let ObserverData = require('xxx/node_modules/observer-data.js');//cmd
////script

let observerData = new ObserverData();

observerData.data = data;
observerData.cb = function(newVal, key, oldVal){}
observerData.run();

api

1. observerData.opt.exclude
* type:array
* description:排除的属性，默认为空
2. observerData.opt.include
* type:array
* description:包涵的属性，默认所有
3. observerData.run(dep)
* type:string
* description:dep=='dep'那么初始化会执行一次cb
4. observerData.cb
* type:function
* description:每次数据改变回调
5. $set
* type:function
* description:为新数据绑定监听事件
* example
:

let data = {a:1}...

data.$set('b',2);//新绑定了一个b属性

6. $del
* type:function
* description:删除属性清除监听并触发回调
* example
:

let data = {a:1,b:2}...

data.$del('b');//解除b属性的绑定并且删除触发回调。

$3

Community

github
npm