sample react-redux Enhancer

==== store.js ====
const enhancers = [
  applyMiddleware(...middlewares),
  devtools(),
  testEnhancer(),
];

===== pluginStateManager.js =====
export const pluginStateManager = (state) => {
  try {
    // const serializedState = localStorage.getItem('state');
    // if (serializedState === null) {
    //   return undefined;
    // }
    // return JSON.parse(serializedState);
    return state;
  } catch (err) {
    return undefined;
  }
};


export const testEnhancer = () => (
  (createStore) => (reducer, preloadedState, enhancer) => {
    const store = createStore(reducer, preloadedState, enhancer);

    const dispatch = (action) => {
      // Swallow this action, and dispatch the replacement
      if (action.type === 'SOME_ACTION_TYPE') {
        store.dispatch({
          type: 'SOME_OTHER_ACTION_TYPE',
          payload: 'some other payload',
        });
        return null;
      }
      return store.dispatch(action);
    };

    return Object.assign({}, store, { dispatch });
  }
);