optimized code

frontend/src/components/shared-repo-list-view/shared-repo-list-item.js

@@ -93,7 +93,6 @@ class SharedRepoListItem extends React.Component {
       'permission': repo.permission
     });
 
-    //todo change to library; div-view is not compatibility
     let libPath = `${siteRoot}library/${repo.repo_id}/${Utils.encodePath(repo.repo_name)}/`;
 
     return { iconUrl, iconTitle, libPath };
@@ -135,17 +134,14 @@ class SharedRepoListItem extends React.Component {
   }
 
   onItemShare = () => {
-    // todo
     this.setState({isShowSharedDialog: true});
   }
 
   onItemUnshare = () => {
-    // todo
     this.props.onItemUnshare(this.props.repo);
   }
 
   onItemDelete = () => {
-    // todo
     this.props.onItemDelete(this.props.repo);
   }
 

frontend/src/pages/groups/groups-view.js

@@ -191,6 +191,5 @@ const GroupsViewPropTypes = {
 };
 
 GroupsView.propTypes = GroupsViewPropTypes;
-// Groups.propTypes = propTypes;
 
 export default GroupsView;

frontend/src/utils/utils.js

@@ -147,7 +147,9 @@ export const Utils = {
        return encodeURIComponent(e);
        }).join('/');
        */
-
+    if (!path) {
+      return '';
+    }
     var path_arr = path.split('/');
     var path_arr_ = [];
     for (var i = 0, len = path_arr.length; i < len; i++) {