function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } let Foo = /*#__PURE__*/function () { "use strict"; function Foo() { _classCallCheck(this, Foo); } babelHelpers.createClass(Foo, [{ key: "method", value: function method() {} }]); return Foo; }();