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: {
      retries: 0
    },
    states: {
      idle: {
        on: {
          ACCESS_RESOURCE: 'check_auth'
        }
      },
      check_auth: {
        on: {
          SESSION_EXISTS: 'check_user',
          SESSION_MISSING: 'check_user',
        }
      },
      check_user: {
        on: {
          USER_AUTH_SUCCESS: 'success',
          USER_AUTH_FAILURE: 'failure'
        }
      },
      success: {
        type: 'final'
      },
      failure: {
        on: {
          RETRY: {
            target: 'check_auth',
            actions: assign({
              retries: (context, event) => context.retries + 1
            })
          }
        }
      }
    }
  });