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 subscribeMachine = Machine({
    id: "subscribe",
    initial: "ready",
    states: {
      ready: {
        on: {
          SUBSCRIBE: "subscribe_success"
        }
      },
      subscribe_success: {
        entry: sendParent('SUBSCRIBE_DONE')
      }
    }
  })
  
  const downloadMachine = Machine({
    id: 'download',
    initial: 'idle',
    context: {
      retries: 0
    },
    states: {
      idle: {
        on: {
          DOWNLOAD: 'loading'
        }
      },
      loading: {
        on: {
          RESOLVE: 'success',
          REJECT: 'failure.subscribing'
        }
      },
      success: {
        type: 'final'
      },
      failure: {
        states: {
          subscribing: {
            entry: assign({
              subscriptionRef: () => spawn(subscribeMachine)
            })
          },
        },
        on: {
          SUBSCRIBE_DONE: "loading",
          RETRY: {
            target: 'loading',
            actions: assign({
              retries: (context, event) => context.retries + 1
            })
          }
        }
      }
    }
  });