code: function(data, cb) {
                  if (corbel.Config.isNode) {
                      // in node transform to stream
                      cb(corbel.utils.toURLEncoded(data));
                  } else {
                      // in browser transform to blob
                      cb(corbel.utils.dataURItoBlob(data));
                  }
              }
docs: dataURI serialize handler
  @param  {object} data
  @return {string}