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

machine.js

const fetchMachine = Machine({
  id: 'root',
  initial: 'INIT',
  states: {
    'INIT': {
      on: {
        '*': [
          {
            target: 'MAYBE AUTHORIZED',
            cond: 'hasAuthorizationCode'
          },
          { target: 'NOT AUTHORIZED' }
        ] 
      }
    },
    'NOT AUTHORIZED': {
      on: {
        'LOGIN': 'AUTHORIZING'
      }
    },
    'AUTHORIZING': {
      entry: 'redirectToProvider'
    },
    'MAYBE AUTHORIZED': {
      on: {
        '*':[
          {
            target: 'REQUESTING ACCESS TOKEN',
            cond: 'hasAuthorizationCode'
          },
          { target: 'NOT AUTHORIZED' }
        ]
      },
    },
    'REQUESTING ACCESS TOKEN': {
      entry: 'exchangeAuthCodeForAccessToken',
      on: {
        'SUCC': 'REQUESTING SESSION',
        'FAIL': 'FAILURE'
      }
    },
    'REQUESTING SESSION': {
      on: {
        'SUCC': 'AUTHORIZED',
        'FAIL': 'FAILURE'
      }
    },
    'AUTHORIZED': {
      // on: 
    },
    'FAILURE': {}
  }
});