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: {
    data: null,
    retries: 0,
  },
  states: {
    idle: {
      on: {
        FETCH: 'loading'
      }
    },
    loading: {
      on: {
        RESOLVE: 'success',
        REJECT: 'failure',
        CANCEL: 'cancelled',
      }
    },
    success: {
      entry: ['saveData'],
      on: {
        REFRESH: 'loading',
      }
    },
    failure: {
      on: {
        RETRY: {
          target: 'loading',
          actions: ['incRetries'],
        }
      }
    },
    cancelled: {
      type: 'final'
    },
  }
}, {
  actions: {
    incRetries: assign({
      retries: (context) => context.retries + 1,
    }),
    saveData: assign({
      data: (_, event) => event.data,
    }),
  }
});