import WebSocket, { WebSocketServer } from 'ws';

const server = new WebSocketServer({
    host: "0.0.0.0",
    port: "8080"
});

server.on('connection', function connection(ws) {
    console.log(`online: ${server.clients.size}`);

    ws.on('message', function message(data) {
        server.clients.forEach(function each(client) {
            if (client.readyState === WebSocket.OPEN && client !== ws) {
                client.send(data.toString());
            }
        });
    });

    ws.once("close", () => {
        console.log(`online: ${server.clients.size}`);
    })
});

server.on("error", (err) => {
    console.error(err);
})