Check out slinky[0], which in addition to solving the minification/concatenation issue for JS/CSS also does compilation of CS/HAML/SASS and provides a proxying

Check out slinky[0], which in addition to solving the minification/concatenation issue for JS/CSS also does compilation of CS/HAML/SASS and provides a proxying development server. It's designed sort of in the mold of the sproutcore build tools, but unconnected to any particular client side framework. [0] https://github.com/mwylde/slinky https://github.com/mwylde/slinky