perf: fixed eslint errors

src/views/layout/components/Sidebar/Link.vue

@@ -17,11 +17,8 @@ export default {
     }
   },
   methods: {
-    isExternalLink(routePath) {
-      return isExternal(routePath)
-    },
     linkProps(url) {
-      if (this.isExternalLink(url)) {
+      if (isExternal(url)) {
         return {
           is: 'a',
           href: url,

src/views/layout/components/Sidebar/SidebarItem.vue

@@ -14,7 +14,8 @@
         <item v-if="item.meta" :icon="item.meta.icon" :title="generateTitle(item.meta.title)" />
       </template>
 
-      <template v-for="child in item.children" v-if="!child.hidden">
+      <template v-for="child in item.children">
+        <template v-if="!child.hidden">
           <sidebar-item
             v-if="child.children&&child.children.length>0"
             :is-nest="true"
@@ -29,6 +30,7 @@
             </el-menu-item>
           </app-link>
         </template>
+      </template>
     </el-submenu>
 
   </div>

src/views/table/dragTable.vue

@@ -46,7 +46,7 @@
       </el-table-column>
 
       <el-table-column align="center" label="Drag" width="80">
-        <template slot-scope="scope">
+        <template slot-scope="{}">
           <svg-icon class="drag-handler" icon-class="drag"/>
         </template>
       </el-table-column>