@spotfire/mods-dev-server/websocket.html

Development server for Spotfire® Mods

<script type="text/javascript">
    (function () {
        connect();
        function connect() {
            var address = "ws://" + window.location.host + "/live-reload";
            var socket = new WebSocket(address, "dev-server");
            socket.onopen = function () {
                console.log("Live reload enabled.");
            };
            socket.onmessage = function (msg) {
                if (msg.data == "reload") window.location.reload();
            };

            socket.onclose = function () {
                console.log("Live reload disabled");
                setTimeout(connect, 1000);
            } 

            socket.onerror = function (err) {
                console.log("Live reload failed", err);
                setTimeout(connect, 1000);
            }
        }
    })();
</script>