Product reducer

product_reducer.js

import AppConstants from '../utils/constants';
const initialProductState = {
 error: undefined,
 product: undefined,
 loading: false,
};
function product(state = initialProductState, action) {
 switch (action.type) {
  case AppConstants.PRODUCT.GET:
   return {
    ...initialProductState,
    loading: true
   };
  case AppConstants.PRODUCT.GET_SUCCESS:
   return {
    ...state,
    product: action.payload,
    loading: false  
   };
  case AppConstants.PRODUCT.GET_ERROR:
   return {
    ...state,
    error: action.error,
    loading: false
   };
  default:
   return state;
 }
}
export default product;