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 flipPowerSwitch = assign({
    powerSwitch: (context, event) => (
      context.powerSwitch === 'ON'
        ? 'OFF'
        : 'ON'
    )
  })
  
  const isSwitchOn = (context, event) =>
    context.powerSwitch === 'ON'
  
  const isSwitchOff = (context, event) =>
    context.powerSwitch === 'OFF'
  
  const FLIP_POWER_OFF = {
    target: 'poweredDown',
    actions: 'flipPowerSwitch',
    cond: 'isSwitchOn',
  }
  
  const fetchMachine = Machine({
      id: 'power',
      initial: 'poweredDown',
      context: {
        powerSwitch: 'OFF'
      },
      states: {
        poweredDown: {
          on: {
            FLIP_POWER_ON: {
              target: 'poweredUp',
              actions: 'flipPowerSwitch',
              cond: 'isSwitchOff',
            },
            FLIP_POWER_OFF,
          },
        },
        poweredUp: {
          on: {
            FLIP_POWER_OFF,
            GCODE_M81: 'poweredDown',
          },
        },
      },
    },
    {
      actions: {
        flipPowerSwitch
      },
      guards: {
        isSwitchOn,
        isSwitchOff,
      }
    }
  );