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

machine.js

const lightBulbMachine = Machine({
      id: "house",
      initial: "init",
      states: {
        init: {
          entry: "spawnLightBulbs",
          on: {
            "": "lightsOn"
          }
        },
        lightsOn: {
          on: {
            lightBulbOff: {
              target: "lightsOff",
              cond: "areAllLightsOff"
            }
          }
        },
        lightsOff: {
          on: {
            lightBulbOn: {
              target: "lightsOn",
              cond: "areAllLightsOn"
            }
          }
        }
      }
    });