productReducer.js

const productReducer = (state, action) => {
    switch (action.type) {
      case offlineActionTypes.FETCH_OFFLINE_MODE:
        if (
          action.payload.prevAction.type ===
          actionTypes.FETCH_USER_SELECTED_PRODUCT_REQUEST
        ) {
          return handleSelectedProductWhileOffline(state, action.payload);
        }
        return state;
  
      case actionTypes.FETCH_USER_SELECTED_PRODUCT_REQUEST:
        return handleSelectedProduct(state, action.payload);
  
      default:
        return state;
    }
};