text: /**
   * @name sandbox
   */
  (function (sb) {
      /**
       * @event js:request-environment-module js.js plugin requests for enviroment-based module init
       *        (importScripts or node require)
       *
       * @param {String}   moduleName
       * @param {String}   module
       *
       * @retuns yes
       */
      sb.on('js:request-environment-module', function (moduleName, module) {
          try {
              // call importScripts or require
              // any of them can throw error if file not found or transmission error
              module = sb.modules[moduleName] = (sb.global.importScripts || require)(moduleName) || {};
              return [moduleName, module];
          } catch (e) {
              // error -> default behaviour
              sb.trigger('*:request-error', moduleName, module);
              return [moduleName, module];
          }
      });
  }(sandbox));