1 files changed, 37 insertions, 16 deletions

diff --git a/web/react/components/post.jsx b/web/react/components/post.jsx
index 37de4ecc0..9127f00de 100644
--- a/web/react/components/post.jsx
+++ b/web/react/components/post.jsx
@@ -51,7 +51,7 @@ export default class Post extends React.Component {
 
         var post = this.props.post;
         client.createPost(post, post.channel_id,
-            function success(data) {
+            (data) => {
                 AsyncClient.getPosts();
 
                 var channel = ChannelStore.get(post.channel_id);
@@ -65,11 +65,11 @@ export default class Post extends React.Component {
                     post: data
                 });
             },
-            function error() {
+            () => {
                 post.state = Constants.POST_FAILED;
                 PostStore.updatePendingPost(post);
                 this.forceUpdate();
-            }.bind(this)
+            }
         );
 
         post.state = Constants.POST_LOADING;
@@ -81,31 +81,52 @@ export default class Post extends React.Component {
             return true;
         }
 
-        return false;
-    }
-    render() {
-        var post = this.props.post;
-        var parentPost = this.props.parentPost;
-        var posts = this.props.posts;
+        if (nextProps.sameRoot !== this.props.sameRoot) {
+            return true;
+        }
 
-        var type = 'Post';
-        if (post.root_id && post.root_id.length > 0) {
-            type = 'Comment';
+        if (nextProps.sameUser !== this.props.sameUser) {
+            return true;
+        }
+
+        if (this.getCommentCount(nextProps) !== this.getCommentCount(this.props)) {
+            return true;
         }
 
-        var commentCount = 0;
-        var commentRootId;
+        return false;
+    }
+    getCommentCount(props) {
+        const post = props.post;
+        const parentPost = props.parentPost;
+        const posts = props.posts;
+
+        let commentCount = 0;
+        let commentRootId;
         if (parentPost) {
             commentRootId = post.root_id;
         } else {
             commentRootId = post.id;
         }
-        for (var postId in posts) {
+        for (let postId in posts) {
             if (posts[postId].root_id === commentRootId) {
                 commentCount += 1;
             }
         }
 
+        return commentCount;
+    }
+    render() {
+        var post = this.props.post;
+        var parentPost = this.props.parentPost;
+        var posts = this.props.posts;
+
+        var type = 'Post';
+        if (post.root_id && post.root_id.length > 0) {
+            type = 'Comment';
+        }
+
+        const commentCount = this.getCommentCount(this.props);
+
         var rootUser;
         if (this.props.sameRoot) {
             rootUser = 'same--root';
@@ -152,7 +173,7 @@ export default class Post extends React.Component {
         return (
             <div>
                 <div
-                    id={post.id}
+                    id={'post_' + post.id}
                     className={'post ' + sameUserClass + ' ' + rootUser + ' ' + postType + ' ' + currentUserCss}
                 >
                     {profilePic}