fixed eslint error & integrated with prettier as well as formatted the whole codebase (#3450)

browser/components/RealtimeNotification.js

@@ -6,7 +6,7 @@ const electron = require('electron')
 const { shell } = electron
 
 class RealtimeNotification extends React.Component {
-  constructor (props) {
+  constructor(props) {
     super(props)
 
     this.state = {
@@ -14,38 +14,46 @@ class RealtimeNotification extends React.Component {
     }
   }
 
-  componentDidMount () {
+  componentDidMount() {
     this.fetchNotifications()
   }
 
-  fetchNotifications () {
-    const notificationsUrl = 'https://raw.githubusercontent.com/BoostIO/notification/master/notification.json'
+  fetchNotifications() {
+    const notificationsUrl =
+      'https://raw.githubusercontent.com/BoostIO/notification/master/notification.json'
     fetch(notificationsUrl)
       .then(response => {
         return response.json()
       })
       .then(json => {
-        this.setState({notifications: json.notifications})
+        this.setState({ notifications: json.notifications })
       })
   }
 
-  handleLinkClick (e) {
+  handleLinkClick(e) {
     shell.openExternal(e.currentTarget.href)
     e.preventDefault()
   }
 
-  render () {
+  render() {
     const { notifications } = this.state
-    const link = notifications.length > 0
-      ? <a styleName='notification-link' href={notifications[0].linkUrl}
-        onClick={(e) => this.handleLinkClick(e)}
-      >
-        Info: {notifications[0].text}
-      </a>
-    : ''
+    const link =
+      notifications.length > 0 ? (
+        <a
+          styleName='notification-link'
+          href={notifications[0].linkUrl}
+          onClick={e => this.handleLinkClick(e)}
+        >
+          Info: {notifications[0].text}
+        </a>
+      ) : (
+        ''
+      )
 
     return (
-      <div styleName='notification-area' style={this.props.style}>{link}</div>
+      <div styleName='notification-area' style={this.props.style}>
+        {link}
+      </div>
     )
   }
 }