listen method

Description

listen is used to quickly monitor the value of the path corresponding to the current pipe node

Usage

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

Arguments

store(Object/Array): parent store path(String/Array): path that needs to be get value callback(value(*)): listener callback function passes changed value

Returned value

(*): returns the current pipe

Examples

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