text: import { ADD_COUNTER, ADD_TO_CART } from "./mutation-types";
  
  export default {
    addCart(context, payload) {
      return new Promise((resolve, reject) => {
        let oldProduct = context.state.cartList.find(
          item => item.iid === payload.iid
        );
  
        if (oldProduct) {
          // oldProduct.count += 1;
          context.commit(ADD_COUNTER, oldProduct);
          resolve('商品数量加一');
        } else {
          payload.count = 1;
          // context.state.cartList.push(payload);
          context.commit(ADD_TO_CART, payload);
          resolve('加入购物车');
        }
      });
    }
  };
  