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: 'outbox',
    initial: 'checkStaleNotes',
    context: {
      staleCount: 2,
    },
    states: {
      reset: {
        on: {
          '': {
            target: 'checkStaleNotes'
          }
        }
      },
      checkStaleNotes: {
        entry: ['getStaleNotesCount'],
        on: {
          SAVE: {
            target: 'checkStaleNotes',
            actions: 'saveNotes',
          },
          '': {
            target: 'checkUpstream',
            cond: 'noStaleNotes'
          },
          RESET: {
            target: 'reset',
          }

        }
      },
      checkUpstream: {
        on: {
          RESET: {
            target: 'reset',
          }
        },
        onDone: {
          'qsd': {
            target: 'issues'
          }
        },
        states: {
          serverCall: {
            invoke: {
              src: 'checkSyncCursorOnServer',
              onDone: {
                target: 'result',
                actions: assign({ cursor: (context, event) => event.data })
              },
            }
          },
          result: {
            on: {
              '': {
                target: '#outbox.issues'
              }
            }
          }
        }
      },
      issues: {

      }
    },
  },
  {
    services: {
      checkSyncCursorOnServer: (context, event) => new Promise((resolve, reject) => resolve({ syncCursorId: 81 }))
    },
    actions: {
      saveNotes: assign({ staleCount: 0 }),
      getStaleNotesCount: assign({
        staleCount: (context, event) => event.type === 'SAVE' ? 0 : 4 // simulate the save
      }),
      getSyncCursorIds: assign({
        localSyncCursorId: (context, event) => event.data.syncCursorId, // see checkSyncCursorOnServer below
        remoteSyncCursorId: 95 // () => LocalDBStore.state.syncCursorId
      }),
      pullProject: assign({
        localSyncCursorId: 92,
        remoteSyncCursorId: 92
      }),

    },
    guards: {
      noStaleNotes: (context, event) => {
        return context.staleCount === 0
      },
      localCursorEqualsServerCursor: (context, event) => {
        return context.localSyncCursorId === context.remoteSyncCursorId + 1
      }
    }
  }
)