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

machine.js

const fetchMachine = Machine({
  id: 'fetch',
  initial: 'idle',
  states: {
    idle: {
      on: { FETCH: 'pending'}
    },
    pending: {
      on: {
        RESOLVE: 'fulfilled',
        REJECT: 'rejected'
      }
    },
    fulfilled: {
      on: {
        REFRESH: 'pending'
      }
    },
    rejected: {
      on: {
        RETRY: 'pending'
      }
    }
  }
});