Clicking body closes nav

Fixed issue when nav wasn't present

app/assets/javascripts/sidebar.js.coffee

@@ -14,6 +14,22 @@ toggleSidebar = ->
     niceScrollBars.updateScrollBar();
   ), 300
 
+$(document)
+  .off 'click', 'body'
+  .on 'click', 'body', (e) ->
+    unless $.cookie('pin_nav') is 'true'
+      $target = $(e.target)
+      $nav = $target.closest('.sidebar-wrapper')
+      pageExpanded = $('.page-with-sidebar').hasClass('page-sidebar-expanded')
+      $toggle = $target.closest('.toggle-nav-collapse, .side-nav-toggle')
+
+      if $nav.length is 0 and pageExpanded and $toggle.length is 0
+        $('.page-with-sidebar')
+          .toggleClass('page-sidebar-collapsed page-sidebar-expanded')
+
+        $('.navbar-fixed-top')
+          .toggleClass('header-collapsed header-expanded')
+
 $(document).on("click", '.toggle-nav-collapse, .side-nav-toggle', (e) ->
   e.preventDefault()
 

app/helpers/nav_helper.rb

@@ -36,7 +36,8 @@ module NavHelper
   end
 
   def nav_header_class
-    class_name = " with-horizontal-nav" if defined?(nav) && nav
+    class_name = ''
+    class_name << " with-horizontal-nav" if defined?(nav) && nav
 
     if pinned_nav?
       class_name << " header-expanded header-pinned-nav"