dotless css bundle transform

LessTransform With Path

    public class LessTransform : IBundleTransform
    {

        public void Process(BundleContext context, BundleResponse response)
        {
            var parser = new Parser();
            var importPath = context.HttpContext.Server.MapPath(context.BundleVirtualPath);
            parser.Importer = new BundleImporter(importPath);

            var env = new Env { Compress = true, Debug = true, KeepFirstSpecialComment = true, DisableVariableRedefines = false };

            response.Content = parser.Parse(response.Content, null).ToCSS(env);

            response.ContentType = "text/css";
        }
    }