Implement assetpack for Sinatra

config/initializers/sinatra_assetpack_stylus.rb

@@ -0,0 +1,11 @@
+module Sinatra::AssetPack
+  class StylusEngine < Engine
+    def css(str, options={})
+      Tilt.new("stylus", {:style => :compressed}) { str }.render
+    rescue LoadError
+      nil
+    end
+  end
+
+  Compressor.register :css, :stylus, StylusEngine
+end