From 393607d25c43cb022962a002599e08cfbf0eb4e4 Mon Sep 17 00:00:00 2001
From: Robin Ward <robin.ward@gmail.com>
Date: Wed, 3 Dec 2014 16:41:27 -0500
Subject: [PATCH] Patch Ember to fix
 https://github.com/emberjs/ember.js/issues/9805

---
 .../javascripts/discourse/controllers/discovery/topics.js.es6 | 4 ++--
 app/assets/javascripts/discourse/models/user.js               | 2 +-
 vendor/assets/javascripts/development/ember.js                | 4 ++++
 vendor/assets/javascripts/production/ember.js                 | 4 ++++
 4 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/app/assets/javascripts/discourse/controllers/discovery/topics.js.es6 b/app/assets/javascripts/discourse/controllers/discovery/topics.js.es6
index 7624c96ab..f5bea7b6e 100644
--- a/app/assets/javascripts/discourse/controllers/discovery/topics.js.es6
+++ b/app/assets/javascripts/discourse/controllers/discovery/topics.js.es6
@@ -158,11 +158,11 @@ var controllerOpts = {
   }.property('allLoaded', 'topics.length'),
 
   footerEducation: function() {
-    if (!this.get('allLoaded') || this.get('topics.length') > 0 || !Discourse.User.current()) { return ""; }
+    if (!this.get('allLoaded') || this.get('topics.length') > 0 || !Discourse.User.current()) { return; }
 
     var split = this.get('filter').split('/');
 
-    if (split[0] !== 'new' && split[0] !== 'unread' && split[0] !== 'starred') { return ""; }
+    if (split[0] !== 'new' && split[0] !== 'unread' && split[0] !== 'starred') { return; }
 
     return I18n.t("topics.none.educate." + split[0], {
       userPrefsUrl: Discourse.getURL("/users/") + (Discourse.User.currentProp("username_lower")) + "/preferences"
diff --git a/app/assets/javascripts/discourse/models/user.js b/app/assets/javascripts/discourse/models/user.js
index ab29c600a..47e36a415 100644
--- a/app/assets/javascripts/discourse/models/user.js
+++ b/app/assets/javascripts/discourse/models/user.js
@@ -92,7 +92,7 @@ Discourse.User = Discourse.Model.extend({
       desc = I18n.t('user.moderator', {user: name});
       return '<i class="fa fa-shield" title="' + desc +  '" alt="' + desc + '"></i>';
     }
-    return "";
+    return null;
   }.property('admin','moderator'),
 
   /**
diff --git a/vendor/assets/javascripts/development/ember.js b/vendor/assets/javascripts/development/ember.js
index 9e52da89d..e8b57d0ad 100644
--- a/vendor/assets/javascripts/development/ember.js
+++ b/vendor/assets/javascripts/development/ember.js
@@ -10112,6 +10112,10 @@ enifed("ember-handlebars/string",
       @return {Handlebars.SafeString} a string that will not be html escaped by Handlebars
     */
     function htmlSafe(str) {
+      if (str === undefined || str === null) {
+        return "";
+      }
+
       if (typeof str !== 'string') {
         str = ''+str;
       }
diff --git a/vendor/assets/javascripts/production/ember.js b/vendor/assets/javascripts/production/ember.js
index d036d87d4..91d071be0 100644
--- a/vendor/assets/javascripts/production/ember.js
+++ b/vendor/assets/javascripts/production/ember.js
@@ -9819,6 +9819,10 @@ enifed("ember-handlebars/string",
       @return {Handlebars.SafeString} a string that will not be html escaped by Handlebars
     */
     function htmlSafe(str) {
+      if (str === undefined || str === null) {
+        return "";
+      }
+
       if (typeof str !== 'string') {
         str = ''+str;
       }