Izmjenjena struktura, dodan backand

web/node_modules/react-dom/lib/ReactHostOperationHistoryHook.js

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+/**
+ * Copyright (c) 2016-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * 
+ */
+
+'use strict';
+
+var history = [];
+
+var ReactHostOperationHistoryHook = {
+  onHostOperation: function (operation) {
+    history.push(operation);
+  },
+  clearHistory: function () {
+    if (ReactHostOperationHistoryHook._preventClearing) {
+      // Should only be used for tests.
+      return;
+    }
+
+    history = [];
+  },
+  getHistory: function () {
+    return history;
+  }
+};
+
+module.exports = ReactHostOperationHistoryHook;