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

frontend/src/components/dialog/create-file-dialog.js

@@ -44,7 +44,7 @@ class CreateFile extends React.Component {
     }
 
     this.setState({
-      childName: e.target.value, 
+      childName: e.target.value,
     }) ;
   }
 
@@ -55,7 +55,7 @@ class CreateFile extends React.Component {
 
     let isDuplicated = this.checkDuplicatedName();
     let newName = this.state.childName;
-    
+
     if (isDuplicated) {
       let errMessage = gettext('The name "{name}" is already taken. Please choose a different name.');
       errMessage = errMessage.replace('{name}', Utils.HTMLescape(newName));
@@ -65,7 +65,7 @@ class CreateFile extends React.Component {
       let isDraft = this.state.isDraft;
       this.props.onAddFile(path, isDraft);
     }
-  } 
+  }
 
   handleKeyPress = (e) => {
     if (e.key === 'Enter') {
@@ -76,7 +76,7 @@ class CreateFile extends React.Component {
 
   handleCheck = () => {
     let pos = this.state.childName.lastIndexOf('.');
-    
+
     if (this.state.isDraft) {
       // from draft to not draft
       // case 1, normally, the file name is ended with `(draft)`, like `test(draft).md`
@@ -87,7 +87,7 @@ class CreateFile extends React.Component {
       if (p === '(draft)') {
         // remove `(draft)` from file name
         this.setState({
-          childName: fileName + fileType, 
+          childName: fileName + fileType,
           isDraft: !this.state.isDraft
         });
       } else {
@@ -97,7 +97,7 @@ class CreateFile extends React.Component {
         });
       }
     }
-    
+
     if (!this.state.isDraft) {
       // from not draft to draft
       // case 1, test.md  ===> test(draft).md
@@ -112,14 +112,14 @@ class CreateFile extends React.Component {
         });
       } else if (pos === 0 ) {
         this.setState({
-          childName: '(draft)' + this.state.childName, 
+          childName: '(draft)' + this.state.childName,
           isDraft: !this.state.isdraft
         });
       } else {
         this.setState({
           isDraft: !this.state.isdraft
         });
-      } 
+      }
     }
   }
 
@@ -140,11 +140,11 @@ class CreateFile extends React.Component {
           <Form>
             <FormGroup>
               <Label for="fileName">{gettext('Name')}</Label>
-              <Input 
-                id="fileName" 
-                onKeyPress={this.handleKeyPress} 
-                innerRef={input => {this.newInput = input;}} 
-                value={this.state.childName} 
+              <Input
+                id="fileName"
+                onKeyPress={this.handleKeyPress}
+                innerRef={input => {this.newInput = input;}}
+                value={this.state.childName}
                 onChange={this.handleChange}
               />
             </FormGroup>