text: export const FETCH_GROCERIES_LOADING = 'FETCH_GROCERIES_LOADING';
  export const FETCH_GROCERIES_SUCCESS = 'FETCH_GROCERIES_SUCCESS';
  export const FETCH_GROCERIES_FAILURE = 'FETCH_GROCERIES_FAILURE';
  export const ADD_GROCERY_TO_CART = 'ADD_GROCERY_TO_CART';
  export const REMOVE_GROCERY_FROM_CART = 'REMOVE_GROCERY_FROM_CART';
  export const UPDATE_CART_ITEM_QUANTITY = 'UPDATE_CART_ITEM_QUANTITY';
  export const ADDING_GROCERY_ITEM = 'ADDING_GROCERY_ITEM';
  export const ADD_GROCERY_ITEM_SUCCESS = 'ADD_GROCERY_ITEM_SUCCESS';
  export const ADD_GROCERY_ITEM_FAILURE = 'ADD_GROCERY_ITEM_FAILURE';
  export const SET_ERROR = 'SET_ERROR';
  export const UPDATE_GROCERY_ITEM_SUCCESS = 'UPDATE_GROCERY_ITEM_SUCCESS';
  export const UPDATE_GROCERY_ITEM_FAILURE = 'UPDATE_GROCERY_ITEM_FAILURE';
  export const DELETING_GROCERY_ITEM = 'DELETING_GROCERY_ITEM';
  export const DELETE_GROCERY_ITEM_SUCCESS = 'DELETE_GROCERY_ITEM_SUCCESS';
  export const DELETE_GROCERY_ITEM_FAILURE = 'DELETE_GROCERY_ITEM_FAILURE';
  export const CHECKING_OUT = 'CHECKING_OUT';
  export const CHECKOUT_SUCCESS = 'CHECKOUT_SUCCESS';
  export const CHECKOUT_FAILURE = 'CHECKOUT_FAILURE';
  export const CLEAR_GROCERY_CART = 'CLEAR_GROCERY_CART';
  