1 files changed, 23 insertions, 0 deletions
diff --git a/app/helpers/gitlab/nav_helper.rb b/app/helpers/gitlab/nav_helper.rb
new file mode 100644
index 00000000000..14106d70840
--- /dev/null
+++ b/app/helpers/gitlab/nav_helper.rb
@@ -0,0 +1,23 @@
+module Gitlab
+  module NavHelper
+    def nav_menu_collapsed?
+      cookies[:collapsed_nav] == 'true'
+    end
+
+    def nav_sidebar_class
+      if nav_menu_collapsed?
+        "page-sidebar-collapsed"
+      else
+        "page-sidebar-expanded"
+      end
+    end
+
+    def nav_header_class
+      if nav_menu_collapsed?
+        "header-collapsed"
+      else
+        "header-expanded"
+      end
+    end
+  end
+end