"use strict"; let Base = function Base() {}; let Obj = /*#__PURE__*/function (_Base) { babelHelpers.inheritsLoose(Obj, _Base); function Obj() { return _Base.apply(this, arguments) || this; } var _proto = Obj.prototype; _proto.set = function set() { return this.test = 3; }; return Obj; }(Base); const obj = new Obj(); expect(obj.set()).toBe(3); expect(Base.prototype.test).toBeUndefined(); expect(Obj.prototype.test).toBeUndefined(); expect(obj.test).toBe(3);