public init()

in src/server/serverBase.ts [44:79]
29 lines of code
4 McCabe index (conditional complexity)

    public init() {
        const app = express();
        app.use(bodyParser.json());
        app.use(cors({
            credentials: true,
            origin: 'http://127.0.0.1:3000',
        }));

        app.post(dataPlaneUri, handleDataPlanePostRequest);
        app.post(eventHubMonitorUri, handleEventHubMonitorPostRequest);
        app.post(eventHubStopUri, handleEventHubStopPostRequest);
        app.get(readFileUri, handleReadFileRequest);
        app.get(readFileNaiveUri, handleReadFileNaiveRequest);
        app.get(getDirectoriesUri, handleGetDirectoriesRequest);

        //initialize a simple http server
        const server = http.createServer(app);

        //start the server
        server.listen(this.port).on('error', () => { throw new Error(
           `Failed to start the app on port ${this.port} as it is in use.
            You can still view static pages, but requests cannot be made to the services if the port is still occupied.
            To get around with the issue, configure a custom port by setting the system environment variable 'AZURE_IOT_EXPLORER_PORT' to an available port number.
            To learn more, please visit https://github.com/Azure/azure-iot-explorer/wiki/FAQ`); });

        //initialize the WebSocket server instance
        wss = new WebSocket.Server({ server });
        wss.on('connection', (_ws: WebSocket) => {
            if (_ws && _ws.readyState === WebSocket.OPEN) {
                ws = _ws;
            }
            else {
                ws = null;
            }
        });
    }