Generated by XState Viz: https://xstate.js.org/viz

machine.js

  // Available variables:
  // - Machine
  // - interpret
  // - assign
  // - send
  // - sendParent
  // - spawn
  // - raise
  // - actions
  // - XState (all XState exports)
  
    const lightSwitchMachine = Machine({
    context: { hasPower: true },
    id: 'lightSwitch',
    initial: 'active',
    states: {
      active: {
        initial: 'turnedOff',
        on: {
          DEACTIVATE: 'inactive'
        },
        states: {
          turnedOn: {
            on: { 
              SWITCH: 'turnedOff' 
            },
          },
          turnedOff: {
            on: {
              SWITCH: {
                target: 'turnedOn',
                actions: ['turnOnLight'],
                cond: (context, event) => context.hasPower
               }
            }
          }
        }
      },
      inactive: {
        on: {
          ACTIVATE:  'active',
        }
      }
  },
  actions: {
    turnOnLight: (context, event) => {
      console.log('turning on light...')
    }
  }
})