Set babel.

src/webSockets/hooks.js

@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) 2019 CZ.NIC z.s.p.o. (http://www.nic.cz/)
+ *
+ * This is free software, licensed under the GNU General Public License v3.
+ * See /LICENSE for more information.
+ */
+
+import { useEffect, useState } from "react";
+
+export default function useWSForisModule(ws, module, action = "update_settings") {
+    const [data, setData] = useState(null);
+
+    useEffect(() => {
+        if (ws && module) {
+            ws.subscribe(module).bind(module, action, (msg) => {
+                setData(msg.data);
+            });
+        }
+    }, [action, module, ws]);
+
+    return [data];
+}