dispatch-reducer.js

function reducer(state, action) {
  const store = mastermind(this);
  state = combineReducers({
    cats: catReducer
  }, store);
  return state;
}

catReducer(state, action) {
  const store = this;
  switch (action.type) {
    case 'LAUNCH_CAT':
      store.dispatch({
        delay: 60,
        type: 'ROTATE_CAT',
        angle: action.angle - 15
      })
      store.dispatch({
         delay: 120,
         type: 'ROTATE_CAT',
         angle: action.angle + 90
      })
      return {
        ...state,
        [action.catId]: {
           angle: action.angle
        }
      }
    case 'LOAD_CAT':
      store.dispatch({
        type: 'PROMISE_CAT',
        success: 'LOADED_CAT',
        failure: 'FAILURE_CAT',
        promise: api.get('cat', catId)

      })
      return {
        ...state,
        [action.catId]: {
          loading: true
        }
      }
  }
  return state;
}


function mastermind(store) {
  return {
    ...store,
    dispatch(action) {
      switch (action.type) {
        case 'ROTATE_CAT':
          setTimeout(() => {
            store.dispatch(action)
          }, action.delay);
        case 'LOAD_CAT':
          action.promise.then(
            data => store.dispatch({
              type: action.success,
              data
            }),
            error => store.dispatch({
              type: action.failure,
              error
            })
          )
        default:
          setImmediate(() => {
            store.dispatch(action);
          ])
      }

    }
  }
}