Added minification

README.rdoc

@@ -42,6 +42,14 @@ Now you can require both bundles like this:
 
     <%= coffee_script_bundle :admin %>
 
+== Minification:
+
+You can make BistroCar minify your JavaScript bundles using JSMin by setting:
+
+    BistroCar.minify = true
+
+This is done automatically for the production environment.
+
 == License:
 
 (The MIT License)

Rakefile

@@ -12,5 +12,6 @@ Hoe.spec 'bistro_car' do
   self.post_install_message = 'PostInstall.txt' # TODO remove if post-install message not required
   self.rubyforge_name       = self.name # TODO this is default value
   self.extra_deps         = [['coffee-script','>= 0.1.6']]
+  self.extra_deps         = [['jsmin','>= 1.0.1']]
   self.version = BistroCar::VERSION
 end

lib/bistro_car.rb

@@ -1,13 +1,15 @@
 require 'coffee-script'
+require 'jsmin'
 require 'bistro_car/bundle'
 require 'bistro_car/helpers'
 
 module BistroCar
   VERSION = "0.1"
 
   class << self
-    attr_accessor :mode
+    attr_accessor :mode, :minify
   end
 end
 
-BistroCar.mode = :bundled
+BistroCar.mode = :bundled
+BistroCar.minify = true if defined?(Rails) and Rails.env.production?

lib/bistro_car/bundle.rb

@@ -15,11 +15,15 @@ def render(mode)
     end
 
     def to_javascript
-      file_paths.map { |path| CoffeeScript.compile(File.read(path)) }.join
+      minify(file_paths.map { |path| CoffeeScript.compile(File.read(path)) }.join)
     end
 
   private
 
+    def minify(javascript)
+      if BistroCar.minify then JSMin.minify(javascript) else javascript end
+    end
+
     def javascript_url
       "/javascripts/bundle/#{name}.js"
     end