function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) throw new TypeError("Cannot call a class as a function"); } function _defineProperties(target, props) { for(var i = 0; i < props.length; i++){ var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || !1, descriptor.configurable = !0, "value" in descriptor && (descriptor.writable = !0), Object.defineProperty(target, descriptor.key, descriptor); } } function _createClass(Constructor, protoProps, staticProps) { return protoProps && _defineProperties(Constructor.prototype, protoProps), staticProps && _defineProperties(Constructor, staticProps), Constructor; } function _get(target, property, receiver) { return _get = "undefined" != typeof Reflect && Reflect.get ? Reflect.get : function _get(target, property, receiver) { var base = _superPropBase(target, property); if (base) { var desc = Object.getOwnPropertyDescriptor(base, property); return desc.get ? desc.get.call(receiver) : desc.value; } }, _get(target, property, receiver || target); } function _getPrototypeOf(o) { return _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }, _getPrototypeOf(o); } function _inherits(subClass, superClass) { if ("function" != typeof superClass && null !== superClass) throw new TypeError("Super expression must either be null or a function"); subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: !0, configurable: !0 } }), superClass && _setPrototypeOf(subClass, superClass); } function _possibleConstructorReturn(self, call) { return call && ("object" === _typeof(call) || "function" == typeof call) ? call : (function(self) { if (void 0 === self) throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); return self; })(self); } function _setPrototypeOf(o, p) { return _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { return o.__proto__ = p, o; }, _setPrototypeOf(o, p); } function _superPropBase(object, property) { for(; !Object.prototype.hasOwnProperty.call(object, property) && null !== (object = _getPrototypeOf(object));); return object; } var _typeof = function(obj) { return obj && "undefined" != typeof Symbol && obj.constructor === Symbol ? "symbol" : typeof obj; }, B = function() { "use strict"; function B() { _classCallCheck(this, B); } return _createClass(B, [ { key: "baz", value: function(a, param) { } } ]), B; }(), C = function(B) { "use strict"; function C() { return _classCallCheck(this, C), _possibleConstructorReturn(this, _getPrototypeOf(C).apply(this, arguments)); } return _inherits(C, B), _createClass(C, [ { key: "foo", value: function() { } }, { key: "baz", value: function(a, y) { _get(_getPrototypeOf(C.prototype), "baz", this).call(this, a, y); } } ]), C; }(B), D = function(C) { "use strict"; function D() { return _classCallCheck(this, D), _possibleConstructorReturn(this, _getPrototypeOf(D).call(this)); } return _inherits(D, C), _createClass(D, [ { key: "foo", value: function() { _get(_getPrototypeOf(D.prototype), "foo", this).call(this); } }, { key: "baz", value: function() { _get(_getPrototypeOf(D.prototype), "baz", this).call(this, "hello", 10); } } ]), D; }(C);