优化

@@ -566,21 +566,20 @@ const _detailDataPkg = (origin, uid, vipLevel, ua) => {
         totalStorageNum = 0;
 
     // 商品名称
-    if (origin.productName === null || typeof origin.productName === 'undefined') {
+    if (!origin.productName) {
         return dest;
     }
 
     dest.goodsName = origin.productName;
 
     // 是否是虚拟商品
-    dest.virtualGoods = ((origin.attribute * 1 === 3) ? true : false);
+    dest.virtualGoods = (origin.attribute * 1 === 3);
 
     // 用户未登录时
     if (!uid) {
-        let params = {};
-
-        params.refer = helpers.urlFormat('/product/show_' + origin.productSkn + '.html');
-        dest.loginUrl = helpers.urlFormat('/signin.html', params);
+        dest.loginUrl = helpers.urlFormat('/signin.html', {
+            refer: helpers.urlFormat('/product/show_' + origin.productSkn + '.html')
+        });
     }
 
     // 商品促销短语
@@ -824,7 +823,7 @@ const _detailDataPkg = (origin, uid, vipLevel, ua) => {
             dest.bannerTop = {
                 list: bannerList
             };
-        } else if (goodsGroup[0] !== null && typeof goodsGroup[0] !== 'undefined') {
+        } else if (goodsGroup[0]) {
             dest.bannerTop = {
                 img: goodsGroup[0].img
             };
@@ -858,15 +857,12 @@ const _detailDataPkg = (origin, uid, vipLevel, ua) => {
         // 限购商品
         if (origin.isLimitBuy) {
             // 是否开售
-            let isBeginSale = (origin.saleStatus !== null && typeof origin.saleStatus !== 'undefined' &&
-                origin.saleStatus === 1);
+            let isBeginSale = (origin.saleStatus === 1);
 
             // 限购商品有关的展示状态
             let showStatus = 1;
 
-            if (origin.showStatus !== null && typeof origin.showStatus !== 'undefined') {
-                showStatus = parseInt(origin.showStatus, 10);
-            }
+            origin.showStatus && (showStatus = parseInt(origin.showStatus, 10));
 
             // 处理限购商品有关的按钮状态
             dest = _procShowStatus(dest, showStatus, isBeginSale);
@@ -886,7 +882,7 @@ const _detailDataPkg = (origin, uid, vipLevel, ua) => {
 
     // 是否收藏
     dest.isCollect = false;
-    if (origin.isCollect !== null && typeof origin.isCollect !== 'undefined' && origin.isCollect === 'Y') {
+    if (origin.isCollect === 'Y') {
         dest.isCollect = true;
         dest.cartInfo.isCollect = true;
     }
@@ -1017,7 +1013,6 @@ let getProductData = (data) => {
                 result.promotionBoList = info[1];
                 finalResult = _detailDataPkg(result, data.uid, data.vipLevel, data.ua);
                 finalResult.enterStore = info[0];
-
                 Object.assign(finalResult.feedbacks, info[2]);
 
                 /* 如果有咨询，显示咨询，否则显示常见问题 */
@@ -1045,4 +1040,4 @@ let getProductData = (data) => {
 
 module.exports = {
     getProductData
-};
+};
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