immutable-di history

History diff/patch state support for immutable-di

 
import MonitorFactory from 'immutable-di-history'
import NativeHistoryCursor from 'immutable-di-history/cursors/NativeHistoryCursor'
import Container from 'immutable-di'
import {Factory} from 'immutable-di/define'
 
Factory.extend = MonitorFactory
 
const state = {
  tis: {
    a: 1,
    b: 2
  }
}
 
const cursor = new NativeHistoryCursor(state)
const container = new Container(cursor)
 
function Monitor({history}) {
  console.log(JSON.stringify(history, 0, '  '))
}
 
const MonitorDep = Factory({
  history: ['__history']
})(Monitor)
 
const action = Factory([
    Setter(['tis', 'a'])
])(function MyAction(setA) {
    return function myAction(value) {
        setA(value)
    }
})
 
container.mount(MonitorDep)
 
container.get(action)(123)
/*
[
  {
    "displayName": "MyAction",
    "id": 9,
    "args": [
      123
    ],
    "diff": [
      [
        "r",
        [
          "tis",
          "a"
        ],
        1,
        123
      ]
    ]
  }
]
*/