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 shouldRetry = (context, event) => {
    return context.retries < 3;
  };

  const fetchMachine = Machine({
    id: 'Order Status',
    initial: 'idle',
    
    context: {
      retries: 0
    },
    
    states: {
      idle: {
        on: {
          FETCH: 'loading'
        }
      },
      
      loading: {
        on: {
          RESOLVE: 'ready',
          NOT_READY: [
            {
              target: 'failure',
              cond: shouldRetry
            },
            {
              target: 'error'
            }
          ]
        }
      },
      
      ready: {
        on: {
          NOTIFY: 'notified',
          ERROR: 'error'
        }
      },
      
      success: {
        type: 'final'
      },
      
      notified: {
        type: 'final'  
      },
      
      error: {
        type: 'final'
      },
      
      failure: {
        on: {
          RETRY: {
            target: 'loading',
            actions: assign({
              retries: (context, event) => context.retries + 1
            })
          }
        }
      }
    }
  });