text: const InitModule = (name) => {
    const instantiate = System.constructor.prototype.instantiate;
    System.constructor.prototype.instantiate = function (url, parentUrl) {
      // console.log(url, parentUrl);
      if (!url.endsWith('.js')) {
        url += '.js'
      }
      return Promise.resolve(instantiate.call(this, url, parentUrl));
    };
    System.import(name);
  }
  