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

machine.js

  // Available variables:
  // - Machine
  // - interpret
  // - assign
  // - send
  // - sendParent
  // - spawn
  // - raise
  // - actions
  // - XState (all XState exports)
  
  const fetchMachine = Machine({
    id: 'expoUpdates',
    initial: 'idle',
    context: {
      retries: 0
    },
    states: {
      idle: {
        on: {
          CHECK: 'checkForUpdate'
        }
      },
      checkForUpdate: {
        on: {
          TRUE: 'askToFetchUpdate',
          FALSE: 'idle'
        }
      },
      askToFetchUpdate: {
        on: {
          TRUE: 'fetchUpdate',
          FALSE: 'failure'
        }
      },
      fetchUpdate: {
        on: {
          SUCCESS: 'askToReload',
          FAIL: 'askToTryFetchAgain'
        }
      },
      askToTryFetchAgain: {
        on: {
          TRUE: 'askToFetchUpdate',
          FALSE: 'idle'
        }
      },
      askToReload: {
         on: {
          TRUE: 'reloading',
          FALSE: 'idle'
        }
      },
      reloading: {
        on: {
          RELOADED: 'appStart'
        }
      },
      appStart: {
        type: 'final'
      },
    
      failure: {
        on: {
          RETRY: {
            target: 'idle',
            actions: assign({
              retries: (context, event) => context.retries + 1
            })
          }
        }
      }
    }
  });