4 files changed, 10 insertions, 4 deletions
diff --git a/web-ui/app/js/mixins/with_feature_toggle.js b/web-ui/app/js/mixins/with_feature_toggle.js
index 1b364457..7336b74a 100644
--- a/web-ui/app/js/mixins/with_feature_toggle.js
+++ b/web-ui/app/js/mixins/with_feature_toggle.js
@@ -14,6 +14,8 @@
  * You should have received a copy of the GNU Affero General Public License
  * along with Pixelated. If not, see <http://www.gnu.org/licenses/>.
  */
+/* global _ */
+'use strict';
 define(['features'],
   function(features) {
 
diff --git a/web-ui/app/js/mixins/with_hide_and_show.js b/web-ui/app/js/mixins/with_hide_and_show.js
index 7c2a92c4..c8902f61 100644
--- a/web-ui/app/js/mixins/with_hide_and_show.js
+++ b/web-ui/app/js/mixins/with_hide_and_show.js
@@ -15,6 +15,7 @@
  * along with Pixelated. If not, see <http://www.gnu.org/licenses/>.
  */
 define(function(require) {
+  'use strict';
 
   function withHideAndShow() {
     this.hide = function () {
diff --git a/web-ui/app/js/mixins/with_mail_edit_base.js b/web-ui/app/js/mixins/with_mail_edit_base.js
index 2882758c..181af736 100644
--- a/web-ui/app/js/mixins/with_mail_edit_base.js
+++ b/web-ui/app/js/mixins/with_mail_edit_base.js
@@ -59,9 +59,9 @@ define(
       };
 
       function thereAreRecipientsToDisplay() {
-        return this.attr.recipientValues.to
-          && this.attr.recipientValues.cc
-          && !_.isEmpty(this.attr.recipientValues.to.concat(this.attr.recipientValues.cc));
+        return this.attr.recipientValues.to &&
+               this.attr.recipientValues.cc &&
+               !_.isEmpty(this.attr.recipientValues.to.concat(this.attr.recipientValues.cc));
       }
 
       this.render = function(template, context) {
diff --git a/web-ui/app/js/mixins/with_mail_tagging.js b/web-ui/app/js/mixins/with_mail_tagging.js
index 6ea047ed..f5bd7840 100644
--- a/web-ui/app/js/mixins/with_mail_tagging.js
+++ b/web-ui/app/js/mixins/with_mail_tagging.js
@@ -15,6 +15,9 @@
  * along with Pixelated. If not, see <http://www.gnu.org/licenses/>.
  */
 /*global Bloodhound */
+/*global _ */
+/*global Handlebars */
+'use strict';
 define(
   ['page/events', 'features'],
   function (events, features) {
@@ -63,7 +66,7 @@ define(
       this.after('displayMail', function () {
         this.on(this.select('newTagInput'), 'typeahead:selected typeahead:autocompleted', this.createNewTag);
       });
-    };
+    }
 
     return withMailTagging;
   }