From de1acdf93089100ff012cb83b9b09db4fdcd3105 Mon Sep 17 00:00:00 2001
From: virusman <virusman@virusman.ru>
Date: Wed, 23 Jan 2013 00:33:44 +0400
Subject: [PATCH] Make sure javascript_expansions config option exists

---
 lib/cocoon.rb | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/cocoon.rb b/lib/cocoon.rb
index ec9039c..3118fb7 100644
--- a/lib/cocoon.rb
+++ b/lib/cocoon.rb
@@ -4,7 +4,9 @@ module Cocoon
   class Engine < ::Rails::Engine
 
     config.before_initialize do
-      config.action_view.javascript_expansions[:cocoon] = %w(cocoon)
+      if config.action_view.javascript_expansions
+        config.action_view.javascript_expansions[:cocoon] = %w(cocoon)
+      end
     end
 
     # configure our plugin on boot