lib/crush/yui.rb in crush-0.2.0 vs lib/crush/yui.rb in crush-0.3.0

@@ -1,47 +1,55 @@
+require "crush/engine"
+
 module Crush
   module YUI
+    # Engine implementation the YUI JavaScript
+    # compressor. See:
+    #
+    # https://rubygems.org/gems/yui-compressor
     class JavaScriptCompressor < Crush::Engine
-      def self.engine_name
-        "yui_js"
-      end
+      self.default_mime_type = "application/javascript"
       
       def self.engine_initialized?
-        !!(defined? ::YUI) && !!(defined? ::YUI::JavaScriptCompressor)
+        !!(defined? ::YUI && defined? ::YUI::JavaScriptCompressor)
       end
     
       def initialize_engine
         require_template_library "yui/compressor"
       end
     
       def prepare
         @engine = ::YUI::JavaScriptCompressor.new(options)
+        @output = nil
       end
     
-      def evaluate
-        @engine.compress(data)
+      def evaluate(scope, locals, &block)
+        @output ||= @engine.compress(data)
       end
     end
     
+    # Engine implementation the YUI CSS
+    # compressor. See:
+    #
+    # https://rubygems.org/gems/yui-compressor
     class CssCompressor < Crush::Engine
-      def self.engine_name
-        "yui_css"
-      end
+      self.default_mime_type = "text/css"
       
       def self.engine_initialized?
-        !!(defined? ::YUI) && !!(defined? ::YUI::CssCompressor)
+        !!(defined? ::YUI && defined? ::YUI::CssCompressor)
       end
     
       def initialize_engine
         require_template_library "yui/compressor"
       end
     
       def prepare
         @engine = ::YUI::CssCompressor.new(options)
+        @output = nil
       end
     
-      def evaluate
-        @engine.compress(data)
+      def evaluate(scope, locals, &block)
+        @output ||= @engine.compress(data)
       end
     end
   end
 end