Remove dependency on jbuilder

Author: gazay

gon.gemspec

@@ -20,9 +20,7 @@ Gem::Specification.new do |s|
   s.require_paths = ["lib"]
   s.add_dependency "actionpack", '>= 2.3.0'
   s.add_dependency "rabl"
-  if RUBY_VERSION =~ /9/
-    s.add_dependency "jbuilder"
-  end
   s.add_dependency "json"
   s.add_development_dependency "rspec"
+  s.add_development_dependency "jbuilder"
 end

lib/gon.rb

@@ -3,7 +3,7 @@
 require 'action_controller'
 require 'gon/helpers'
 require 'gon/rabl'
-if RUBY_VERSION =~ /9/
+if RUBY_VERSION =~ /9/ && defined?(Jbuilder)
   require 'gon/jbuilder'
 end
 
@@ -73,7 +73,11 @@ def rabl(view_path, options = {})
     end
 
     def jbuilder(view_path, options = {})
-      raise NoMethodError.new('You can use Jbuilder support only in 1.9+') if RUBY_VERSION !~ /9/
+      if RUBY_VERSION !~ /9/
+        raise NoMethodError.new('You can use Jbuilder support only in 1.9+') 
+      elsif !defined?(Gon::Jbuilder)
+        raise NoMethodError.new('You should define Jbuilder in your Gemfile') 
+      end
 
       jbuilder_data = Gon::Jbuilder.parse_jbuilder(view_path, options[:controller] || 
                                                   @request_env['action_controller.instance'] ||