foris-js/src/webSockets/hooks.js

/*
 * 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];
}