"use strict"; var _classProps = function (child, staticProps, instanceProps) { if (staticProps) Object.defineProperties(child, staticProps); if (instanceProps) Object.defineProperties(child.prototype, instanceProps); }; var _extends = function (child, parent) { child.prototype = Object.create(parent.prototype, { constructor: { value: child, enumerable: false, writable: true, configurable: true } }); child.__proto__ = parent; }; var Test = function(Foo) { var Test = function Test() { Foo.prototype.test.whatever(); Foo.prototype.test.call(this); }; _extends(Test, Foo); _classProps(Test, { test: { writable: true, value: function() { return Foo.wow.call(this); } } }, null); return Test; }(Foo);