Adds multi_json gem as a dependency and loads it automatically

lib/sinatra/json.rb

@@ -1,5 +1,5 @@
 require 'sinatra/base'
-
+require 'multi_json'
 module Sinatra
 
   # = Sinatra::JSON
@@ -32,7 +32,6 @@ module Sinatra
   #     require "sinatra/json"
   #
   #     class MyApp < Sinatra::Base
-  #       helpers Sinatra::JSON
   #
   #       # define a route that uses the helper
   #       get '/' do
@@ -126,5 +125,7 @@ def resolve_encoder_action(object, encoder)
   end
 
   Base.set :json_content_type, :json
-  helpers JSON
+
+  # Load the JSON helpers in modular style automatically
+  Base.helpers JSON
 end

sinatra-contrib.gemspec

@@ -118,10 +118,12 @@ Gem::Specification.new do |s|
   s.add_dependency "rack-test"
   s.add_dependency "rack-protection"
   s.add_dependency "eventmachine"
+  s.add_dependency "multi_json"
 
   s.add_development_dependency "rspec", "~> 2.3"
   s.add_development_dependency "haml"
   s.add_development_dependency "erubis"
   s.add_development_dependency "slim"
   s.add_development_dependency "rake"
+  s.add_development_dependency "yajl-ruby"
 end

spec/json_spec.rb

@@ -33,7 +33,6 @@
 describe Sinatra::JSON do
   def mock_app(&block)
     super do
-      helpers Sinatra::JSON
       class_eval(&block)
     end
   end