listen 方法

描述

listen用于快速监听在当前Pipe节点下的对应path的值

用法

listen(store, [path], (value) => {})

参数

store(Object/Array): 父级store path(String/Array): 需要取值的path callback(value(*)): 监听回调函数传递已变化的值

返回值

(*): 返回当前Pipe

示例

import iFlow,{ listen } from 'iflow'
const pipe = iFlow({
  counter: 0,
  foo: {
    bar: 88
  },
}).listen('counter', (counter) => {
  console.log(counter) // log: 1
})
const store = pipe.create()
store.counter = 1
listen(store, ['foo', 'bar'], (foobar) => {
  console.log(foobar) // value: 99
})
store.foo.bar = 99