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

machine.js

  const wizardMachine = Machine({
    initial: 'identification',
    context: { isEligible: false },
    states: {
      identification: {
        on: {
          NEXT: 'address'
        }
      },
      address: {
        on: {
          NEXT: [
            { target: 'payment', cond: (context) => context.isEligible },
            { target: 'unavailable' }
          ]
        }
      },
      payment: {
        on: {
          NEXT: 'obrigado'
        }
      },
      unavailable: {
        type: 'final'
      },
      obrigado: {
        type: 'final'
      }
    }
  });