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) {
          context.commit(ADD_COUNTER, oldProduct)
          resolve('当前的商品数量+1')
        } else {
          payload.count = 1
          context.commit(ADD_TO_CART, payload)
          resolve('添加了新的商品')
        }
      })
    }
  }