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: 'fetch',
    initial: 'idle',
    context: {
      fetchLimit: 5,
      items: []
    },
    states: {
      idle: {
        on: {
          LOAD_ITEMS: {
            target: 'loadingItems',
          }
        }
      },
      loadingItems: {
        invoke: {
          src: 'loadItems',
          onDone: {
            target: 'renderItems',
            actions: 'updateItems'
          }
        }
      },
      renderItems: {
        on: {
          LOAD_ITEMS: {
            target: 'loadingItems',
            actions: 'updateFetchLimit'
          }
        }
      }
    }
  }, {
    actions: {
      updateItems: assign({ items: (context, event) => event.data }),
      
      updateFetchLimit: assign({ fetchLimit: ({ fetchLimit }, _) => fetchLimit + 5 })
    },
    services: {
      loadItems({ fetchLimit }/*, eventObject */) {
        let arr = Array.from(Array(fetchLimit).keys())
        return Promise.resolve(arr);
      }
    }
  });