mng-rx-state v0.7.4

use rxjs to make a state manager for react hooks

github

https://github.com/Mng12345/mng-rx-state

install

npm i mng-rx-state

update:

add state time travel, usage:

// init the state manager
useEffect(() => {
  MngRxState.init();
}, [])
// go to prev state
MngRxState.goPast()
// go to next state
MngRxState.goFuture()

example

import React, { MouseEventHandler, useEffect } from 'react'
import ReactDOM from 'react-dom'
import {createAtomState, MngRxState, useEvent, useObservable, useSubscribe} from '../src/mng-rx'
import {sleep} from "mng-easy-util/file";

type Person = {
  name: string
  age: number
}

const defaultHusband = {
  name: 'zm',
  age: 27,
}

const defaultWife = {
  name: 'zl',
  age: 28,
}

const husband$ = createAtomState<Person>({
  initState: defaultHusband,
  key: 'husband$',
  useTimeTravel: true
})
const wife$ = createAtomState<Person>({
  initState: defaultWife,
  key: 'wife$',
  useTimeTravel: true
})

function AllAge({voidClick}: {voidClick: () => void}) {
  const [husband, husbandRef] = useObservable({
    handler: () => husband$.pipe(),
    initState: defaultHusband,
  })
  const [wife, wifeRef] = useObservable({
    handler: () => wife$.pipe(),
    initState: defaultWife,
  })

  const [addAllAge$, addAllAge] = useEvent<React.MouseEvent<HTMLButtonElement>>()
  useSubscribe(addAllAge$, {
    next(e) {
      husband$.next({
        ...husbandRef.current,
        age: husbandRef.current.age + 1,
      })
      wife$.next({
        ...wifeRef.current,
        age: wifeRef.current.age + 1,
      })
      voidClick()
    },
  })

  return (
    <>
      all age: {husband.age + wife.age}
  <hr />
  <button onClick={addAllAge}>add all age</button>
  </>
)
}

function App() {
  const [husband, husbandRef] = useObservable({
    handler: () => husband$.pipe(),
    initState: defaultHusband,
  })
  const [wife, wifeRef] = useObservable({
    handler: () => wife$.pipe(),
    initState: defaultWife,
  })

  const [addHusbandAge$, addHusbandAge] = useEvent<React.MouseEvent<HTMLButtonElement>>()
  const [addWifeAge$, addWifeAge] = useEvent<React.MouseEvent<HTMLButtonElement>>()
  const [voidClick$, voidClick] = useEvent()
  useSubscribe(voidClick$, {
    next() {
      console.log(`called voidClick callback`)
    }
  })

  useSubscribe(addHusbandAge$, {
    next() {
      husband$.next({
        ...husbandRef.current,
        age: husbandRef.current.age + 1,
      })
    },
  })

  useSubscribe(addWifeAge$, {
    next() {
      wife$.next({
        ...wifeRef.current,
        age: wifeRef.current.age + 1,
      })
    },
  })

  useEffect(() => {
    // init the state manager
    MngRxState.init()
  }, [])

  return (
    <div>
      husband: {husband.name}
  <hr />
  age: {husband.age}
  <hr />
  wife: {wife.name}
  <hr />
  age: {wife.age}
  <hr />
  <button
    onClick={addHusbandAge}
  style={{
    marginRight: 12,
  }}
>
  add husband age
  </button>
  <button onClick={addWifeAge}>add wife age</button>
  <hr />
  <AllAge voidClick={voidClick}/>
  <hr />
  <div style={{
    display: 'flex',
      marginTop: 10
  }}>
  <button onClick={() => MngRxState.goPast()} style={{ marginRight: 10}}>prev</button>
  <button onClick={() => MngRxState.goFuture()}>next</button>
  </div>
  </div>
)
}

ReactDOM.render(<App />, document.getElementById('app'))