es5-repair.ts

// Ayuda con la compilacion en es5 de typescript ya que si no da un error 
// https://stackoverflow.com/a/41671440
// https://github.com/webcomponents/custom-elements/blob/master/src/native-shim.js
(function() {
	if (
	  // No Reflect, no classes, no need for shim because native custom elements
	  // require ES2015 classes or Reflect.
	  (<any>window).Reflect === undefined ||
	  window.customElements === undefined ||
	  // The webcomponentsjs custom elements polyfill doesn't require
	  // ES2015-compatible construction (`super()` or `Reflect.construct`).
	  window.customElements.hasOwnProperty('polyfillWrapFlushCallback')
	) {
	  return;
	}
	const BuiltInHTMLElement = HTMLElement;
	(<any>window).HTMLElement = /** @this {!Object} */ function HTMLElement() {
	  return Reflect.construct(
		  BuiltInHTMLElement, [], /** @type {!Function} */ (this.constructor));
	};
	HTMLElement.prototype = BuiltInHTMLElement.prototype;
	HTMLElement.prototype.constructor = HTMLElement;
	Object.setPrototypeOf(HTMLElement, BuiltInHTMLElement);
  })();