Error: Cannot read property 'prototype' of undefined

Timber.ts

/* 448 */
/***/ function(module, exports, __webpack_require__) {

	/* WEBPACK VAR INJECTION */(function(module) {/* REACT HOT LOADER */ if (true) { (function () { var ReactHotAPI = __webpack_require__(77), RootInstanceProvider = __webpack_require__(85), ReactMount = __webpack_require__(87), React = __webpack_require__(139); module.makeHot = module.hot.data ? module.hot.data.makeHot : ReactHotAPI(function () { return RootInstanceProvider.getRootInstances(ReactMount); }, React); })(); } try { (function () {

	"use strict";
	var __extends = (this && this.__extends) || function (d, b) {
	    for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];
	    function __() { this.constructor = d; }
	    d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
	};
	var AbstractComponent_1 = __webpack_require__(449);
	var Timber = (function (_super) {
	    __extends(Timber, _super);
	    function Timber(options) {
	        this.type = "Timber";
	        this.id = this.type + '001'; // Math.random().toString(36).slice(2);
	        this.position = { x: 0, y: 0, z: 0 };
	        this.rotation = {
	            x: 0,
	            y: 0,
	            z: 0
	        };
	    }
	    Timber.CUBIC_PRICE = 1000;
	    return Timber;
	}(AbstractComponent_1.default));
	Object.defineProperty(exports, "__esModule", { value: true });
	exports.default = Timber;