xstateful-reducer

xstateful-reducer.js

import { createStatefulMachine, Reducer } from '@avaragado/xstateful'
import alarmMachine from './alarmMachine'

const initialState = {
  alarmTrigger: +new Date() + 10000
}

const reducer = Reducer.map({
  alarmSet: Reducer.update(({ action, extstate }) => ({
    alarmTrigger: action.time,
  }),
  snooze: Reducer.update(({ action, extstate }) => ({
    alarmTrigger: extstate.alarmTrigger + (10 * 60)
  }),
  startRing: Reducer.update(({ action, exstate }) => ({
    ringCount: exstate.ringCount + 1,
  })
})

const AlarmMachine = createStatefulMachine({
  machine: alarmMachine,
  extstate: initialState,
  reducer,
})

export default AlarmMachine