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

machine.js

Machine({
  initial: 'a',
   context: {}, // enable this for the machine to work
  states: {
    a: {
      entry: assign({id: 1}),
      on: {
        '': [
          {target: 'with_id', cond: ctx => !!ctx.id},
          'no_id'
        ]
      }
    },
    with_id: {},
    no_id: {}
  }
})