forms machine

machine.js

const someMachine = Machine({
    id: 'form-status',
    initial: 'prefill',
    states: {
      prefill: {
        on: {
          SEND: 'sent',
          SUBMIT: 'completed',
        },
      },
      sent: {
        on: {
          // only member action
          SUBMIT: 'review',
          SUBMIT_NOREVIEW: 'completed', // formdef.review == false
        },
      },
      review: {
        on:{
          REJECT: 'prefill', // aka send
          SUBMIT: 'completed', // aka confirm
        },
      },
      completed: {
        type: 'final',
      },
    }
  });