code: function () {
              var self = this, uri;
              if (!self.uri) {
                  // path can be specified
                  if (self.path) {
                      uri = new S.Uri(self.path);
                  } else {
                      uri = S.Config.resolveModFn(self);
                  }
                  self.uri = uri;
              }
              return self.uri;
          }
docs: Get the path uri of current module if load dynamically
  @return {KISSY.Uri}