Remove leftover references

src/newsreader/js/components/Messages.js

@@ -3,7 +3,9 @@ import React from 'react';
 class Messages extends React.Component {
   state = { messages: this.props.messages };
 
-  close = (index) => {
+  close = ::this.close;
+
+  close(index) {
     const newMessages = this.state.messages.filter((message, currentIndex) => {
       return currentIndex != index;
     });

src/newsreader/js/pages/homepage/components/PostModal.js

@@ -7,9 +7,10 @@ import { SAVED_TYPE } from '../constants.js';
 import { formatDatetime } from '../../../utils.js';
 
 class PostModal extends React.Component {
-  readTimer = null;
+  modalListener = ::this.modalListener;
+readTimer = null;
 
-  componentDidMount() {
+componentDidMount() {
   const post = { ...this.props.post };
   const markPostRead = this.props.markPostRead;
   const token = Cookies.get('csrftoken');
@@ -19,9 +20,9 @@ class PostModal extends React.Component {
   }
 
   window.addEventListener('click', this.modalListener);
-  }
+}
 
-  componentWillUnmount() {
+componentWillUnmount() {
   if (this.readTimer) {
     clearTimeout(this.readTimer);
   }
@@ -29,17 +30,17 @@ class PostModal extends React.Component {
   this.readTimer = null;
 
   window.removeEventListener('click', this.modalListener);
-  }
+}
 
-  modalListener = (e) => {
+modalListener(e) {
   const targetClassName = e.target.className;
 
   if (this.props.post && targetClassName == 'modal post-modal') {
     this.props.unSelectPost();
   }
-  }
+}
 
-  render() {
+render() {
   const post = this.props.post;
   const token = Cookies.get('csrftoken');
   const publicationDate = formatDatetime(post.publicationDate);
@@ -66,7 +67,7 @@ class PostModal extends React.Component {
             <div className="post__actions">
               <button
                 className={`button read-button ${readButtonDisabled &&
-'button--disabled'}`}
+                  'button--disabled'}`}
                 onClick={() =>
                   !readButtonDisabled && this.props.markPostRead(post, token)
                 }
@@ -131,7 +132,7 @@ class PostModal extends React.Component {
       </div>
     </div>
   );
-  }
+}
 }
 
 const mapDispatchToProps = dispatch => ({