Restructured logic to flow more naturally and be cleaner

web/react/components/post_list.jsx

@@ -408,7 +408,9 @@ module.exports = React.createClass({
         }
 
         var postCtls = [];
-        var previousPostDay = posts && posts[order[order.length-1]] ? utils.getDateForUnixTicks(posts[order[order.length-1]].create_at): new Date();
+
+        if (posts != undefined) {
+            var previousPostDay = posts[order[order.length-1]] ? utils.getDateForUnixTicks(posts[order[order.length-1]].create_at): new Date();
             var currentPostDay = new Date();
 
             for (var i = order.length-1; i >= 0; i--) {
@@ -458,8 +460,8 @@ module.exports = React.createClass({
                 postCtls.push(postCtl);
                 previousPostDay = utils.getDateForUnixTicks(post.create_at);
             }
-
-        if (posts == undefined) {
+        }
+        else {
             postCtls.push(
                 <div ref="loadingscreen" className="loading-screen">
                     <div className="loading__content">