Use ES Class Fields & Static Properties (#3008)

Use ES Class Fields & Static Properties (currently stage 2) for improve class outlook.

Added babel-plugin-transform-class-properties as a Babel plugin.

1 files changed, 4 insertions, 9 deletions

diff --git a/app/javascript/mastodon/components/column_back_button_slim.js b/app/javascript/mastodon/components/column_back_button_slim.js
index 9aa7e92c2..6966a138d 100644
--- a/app/javascript/mastodon/components/column_back_button_slim.js
+++ b/app/javascript/mastodon/components/column_back_button_slim.js
@@ -4,12 +4,11 @@ import PropTypes from 'prop-types';
 
 class ColumnBackButtonSlim extends React.PureComponent {
 
-  constructor (props, context) {
-    super(props, context);
-    this.handleClick = this.handleClick.bind(this);
-  }
+  static contextTypes = {
+    router: PropTypes.object
+  };
 
-  handleClick () {
+  handleClick = () => {
     this.context.router.push('/');
   }
 
@@ -25,8 +24,4 @@ class ColumnBackButtonSlim extends React.PureComponent {
   }
 }
 
-ColumnBackButtonSlim.contextTypes = {
-  router: PropTypes.object
-};
-
 export default ColumnBackButtonSlim;