code: function alldone() {
  		// combine and compress modules
  		var module = {
  				code: results.join(''),
  				modified: modified
  			};
  
  		// no compressing? done.
  		if (!compress) { return next(null, module); }
  
  		compress(module, function(err, js) {
  			module.code = js.code || js;
  			next(err, err ? null : module);
  		});
  	}
docs: put it all together