code: function (moduleName, refName) {
              if (moduleName) {
                  var moduleNames = Utils.unalias(Utils.normalizeModNamesWithAlias([moduleName], refName));
                  Utils.attachModsRecursively(moduleNames);
                  return Utils.getModules(moduleNames)[1];
              }
          }
docs: get module exports from KISSY module cache
  @param {String} moduleName module name
  @param {String} refName internal usage
  @member KISSY
  @return {*} exports of specified module