export function waitForPort()

in scripts/telemetry_utils.js [107:127]

• 21 lines of code
• 3 McCabe index (conditional complexity)

export function waitForPort(port, timeout = 10000) {
  return new Promise((resolve, reject) => {
    const startTime = Date.now();
    const tryConnect = () => {
      const socket = new net.Socket();
      socket.once('connect', () => {
        socket.end();
        resolve();
      });
      socket.once('error', (_) => {
        if (Date.now() - startTime > timeout) {
          reject(new Error(`Timeout waiting for port ${port} to open.`));
        } else {
          setTimeout(tryConnect, 500);
        }
      });
      socket.connect(port, 'localhost');
    };
    tryConnect();
  });
}