/** * @license * Copyright Google LLC All Rights Reserved. * * Use of this source code is governed by an MIT-style license that can be * found in the LICENSE file at https://angular.dev/license */ const {WebSocketServer} = require('ws'); // simple echo server const wss = new WebSocketServer({port: 8001}); wss.on('connection', (ws) => { ws.on('message', (data) => { if (data.toString() === 'close') { wss.close(); return; } ws.send(data); }); });