mstijak · August 23, 2017 11:34 · Aug 23, 2017
diff --git a/babelHelpers.js b/babelHelpers.js
@@ -0,0 +1,79 @@
+var babelHelpers = {};
+
+babelHelpers.typeof =
+    typeof Symbol === "function" && typeof Symbol.iterator === "symbol"
+        ? function (obj) {
+        return typeof obj;
+    }
+        : function (obj) {
+        return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype
+            ? "symbol"
+            : typeof obj;
+    };
+
+babelHelpers.classCallCheck = function (instance, Constructor) {
+    if (!(instance instanceof Constructor)) {
+        throw new TypeError("Cannot call a class as a function");
+    }
+};
+
+babelHelpers.extends =
+    Object.assign ||
+    function (target) {
+        for (var i = 1; i < arguments.length; i++) {
+            var source = arguments[i];
+
+            for (var key in source) {
+                if (Object.prototype.hasOwnProperty.call(source, key)) {
+                    target[key] = source[key];
+                }
+            }
+        }
+
+        return target;
+    };
+
+babelHelpers.inherits = function (subClass, superClass) {
+    if (typeof superClass !== "function" && superClass !== null) {
+        throw new TypeError("Super expression must either be null or a function, not " + typeof superClass);
+    }
+
+    subClass.prototype = Object.create(superClass && superClass.prototype, {
+        constructor: {
+            value: subClass,
+            enumerable: false,
+            writable: true,
+            configurable: true
+        }
+    });
+    if (superClass)
+        Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : (subClass.__proto__ = superClass);
+};
+
+babelHelpers.possibleConstructorReturn = function (self, call) {
+    if (!self) {
+        throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
+    }
+
+    return call && (typeof call === "object" || typeof call === "function") ? call : self;
+};
+
+babelHelpers.createClass = (function() {
+    function defineProperties(target, props) {
+        for (var i = 0; i < props.length; i++) {
+            var descriptor = props[i];
+            descriptor.enumerable = descriptor.enumerable || false;
+            descriptor.configurable = true;
+            if ("value" in descriptor) descriptor.writable = true;
+            Object.defineProperty(target, descriptor.key, descriptor);
+        }
+    }
+
+    return function(Constructor, protoProps, staticProps) {
+        if (protoProps) defineProperties(Constructor.prototype, protoProps);
+        if (staticProps) defineProperties(Constructor, staticProps);
+        return Constructor;
+    };
+})();
+
+window.babelHelpers = babelHelpers;