var oldReflect = this.Reflect; var oldHTMLElement = this.HTMLElement; try { // Pretend that `Reflect.construct` isn't supported. this.Reflect = undefined; this.HTMLElement = function () { // Here, `this.HTMLElement` is this function, not the original HTMLElement // constructor. `this.constructor` should be this function too, but isn't. constructor = this.constructor; }; var constructor; var CustomElement = /*#__PURE__*/function (_HTMLElement) { "use strict"; babelHelpers.inherits(CustomElement, _HTMLElement); var _super = babelHelpers.createSuper(CustomElement); function CustomElement() { babelHelpers.classCallCheck(this, CustomElement); return _super.apply(this, arguments); } return CustomElement; }( /*#__PURE__*/babelHelpers.wrapNativeSuper(HTMLElement)); ; new CustomElement(); expect(constructor).toBe(CustomElement); } finally { // Restore original env this.Reflect = oldReflect; this.HTMLElement = oldHTMLElement; }