// 获得购物车商品总数
const getCarTotalNum = carList => {
  let total = 0;
  carList.forEach(v => (total += +v.quantity));
  return total;
};

// 获取商品列表
const getGoodsList = (anchor = '', list = []) => {
  const newList = list.find(anchorList => {
    if (anchorList.length) {
      return anchor === anchorList[0].anchor;
    }
    return false;
  });
  return newList;
};

// 得到分类标签下 name
const getCategoryName = (list, index) => {
  const { title = '' } = list[index];
  return title;
};
const getCarItemNum = (car, item) => {
  const { carts = [] } = car;
  const findInCar = carts.find(v => v.skuId === item.skuId);
  if (findInCar) {
    return findInCar.quantity || 0;
  }
};
export default {
  getGoodsList,
  getCarTotalNum,
  getCarItemNum,
  getCategoryName,
};