packr integration

git-svn-id: http://bundle-fu.googlecode.com/svn/trunk@62 1db77ec0-6337-0410-9320-454da9aca44f

lib/bundle_fu.rb

@@ -27,7 +27,12 @@ def bundle_js_files(filenames=[], options={})
       output = ""
       bundle_files(filenames) { |filename, content|
         if options[:compress]
-          JSMinimizer.minimize_content(content)
+          if Object.const_defined?("Packr")
+            # use Packr plugin (http://blog.jcoglan.com/packr/)
+            Packr.new.pack(content, options[:packr_options] || {:shrink_vars => false, :base62 => true})
+          else
+            JSMinimizer.minimize_content(content)
+          end
         else
           content
         end

test/functional/bundle_fu_test.rb

@@ -20,6 +20,31 @@ def test__bundle_js_files__should_include_js_content
     assert_public_files_match("/javascripts/cache/bundle.js", "function js_1()")
   end
 
+  def test__bundle_js_files__should_use_packr
+    Object.send :class_eval, <<EOF
+    class ::Object::Packr
+      def initialize
+      end
+      
+      def pack(content, options={})
+        "PACKR!" + options.inspect
+      end
+      
+    end
+EOF
+
+    @mock_view.bundle() { @@content_include_all }
+    assert_public_files_match("/javascripts/cache/bundle.js", "PACKR")
+    purge_cache
+
+    @mock_view.bundle(:packr_options => {:packr_options_here => "hi_packr"}) { @@content_include_all }
+    assert_public_files_match("/javascripts/cache/bundle.js", "packr_options_here", "Should include packr_options")
+
+
+    Object.send :remove_const, "Packr"
+
+  end
+
   def test__bundle_js_files__should_default_to_not_compressed_and_include_override_option
     @mock_view.bundle() { @@content_include_all }
     default_content = File.read(public_file("/javascripts/cache/bundle.js"))