[eslint] updated eslintrc and improved the code (#4702)

frontend/.eslintrc.json

@@ -50,6 +50,7 @@
     "no-irregular-whitespace": "warn",
     "no-console": "warn",
     "no-useless-escape": "warn",
+    "no-trailing-spaces": "warn",
     
     "react/jsx-indent": ["warn", 2],
     "react/prop-types": "warn",

frontend/src/components/dialog/sysadmin-dialog/sysadmin-add-institution-member-dialog.js

@@ -25,7 +25,7 @@ class AddMemberDialog extends React.Component {
   handleSubmit = () => {
     if (!this.state.selectedOption) return;
     const emails = this.state.selectedOption.map(item => item.email);
-    this.props.addUser(emails)
+    this.props.addUser(emails);
   }
 
   render() {

frontend/src/components/file-uploader/upload-progress-dialog.js

@@ -44,7 +44,7 @@ class UploadProgressDialog extends React.Component {
 
   render() {
 
-    let uploadBitrate = Utils.formatBitRate(this.props.uploadBitrate)
+    let uploadBitrate = Utils.formatBitRate(this.props.uploadBitrate);
     let uploadedMessage = gettext('File Upload');
     let uploadingMessage = gettext('File Uploading...') + ' ' + this.props.totalProgress + '%' + ' (' + uploadBitrate + ')';
 

frontend/src/components/permission-denied-tip.js

@@ -4,7 +4,7 @@ import { gettext, loginUrl } from '../utils/constants';
 function PermissionDeniedTip() {
   let reloginUrl = `${loginUrl}?next=${encodeURIComponent(location.href)}`;
   let errorTip = gettext('Permission denied. Please try {placeholder-left}login again.{placeholder-right}');
-  errorTip = errorTip.replace('{placeholder-left}', '<a class="action-link p-0" href='+ reloginUrl + '>')
+  errorTip = errorTip.replace('{placeholder-left}', '<a class="action-link p-0" href='+ reloginUrl + '>');
   errorTip = errorTip.replace('{placeholder-right}', '</a>');
   return(
     <span className="error" dangerouslySetInnerHTML={{__html: errorTip}}></span>

frontend/src/components/terms-preview-widget.js

@@ -15,7 +15,7 @@ class TermsPreviewWidget extends React.Component {
     this.state = {
       innerHtml: null,
       isFormatValue: true,
-    }
+    };
   }
 
   componentDidMount() {

frontend/src/draft.js

@@ -313,7 +313,7 @@ class Draft extends React.Component {
     const nodes = this.refs.diffViewer.value;
     let commentNode = nodes.find((node) => {
       if (node.data['old_index'] == oldIndex && node.data['new_index'] == newIndex) {
-        return node
+        return node;
       }
     });
     if (commentNode) {

frontend/src/pages/lib-content-view/lib-content-toolbar.js

@@ -56,7 +56,7 @@ class LibContentToolbar extends React.Component {
   render() {
 
     if (!this.props.userPerm) {
-      return <div className="cur-view-toolbar"></div>
+      return <div className="cur-view-toolbar"></div>;
     }
 
     if (this.props.isViewFile) {

frontend/src/pages/lib-content-view/lib-content-view.js

@@ -653,7 +653,7 @@ class LibContentView extends React.Component {
     this.setState({
       asyncOperationProgress: 0,
       isCopyMoveProgressDialogShow: false,
-    })
+    });
   }
 
   // toolbar operations