Function inspectorOpen

lib/inspector.js:169–196

* Activates inspector on host and port. * @param {number} [port] * @param {string} [host] * @param {boolean} [wait] * @returns {void}

(port, host, wait)

 * @returns {void}
 */
function inspectorOpen(port, host, wait) {
  if (isEnabled()) {
    throw new ERR_INSPECTOR_ALREADY_ACTIVATED();
  }
  // inspectorOpen() currently does not typecheck its arguments and adding
  // such checks would be a potentially breaking change. However, the native
  // open() function requires the port to fit into a 16-bit unsigned integer,
  // causing an integer overflow otherwise, so we at least need to prevent that.
  if (isUint32(port)) {
    validateInt32(port, 'port', 0, 65535);
  }
  if (host && !isLoopback(host)) {
    process.emitWarning(
      'Binding the inspector to a public IP with an open port is insecure, ' +
        'as it allows external hosts to connect to the inspector ' +
        'and perform a remote code execution attack. ' +
        'Documentation can be found at ' +
      'https://nodejs.org/api/cli.html#--inspecthostport',
      'SecurityWarning',
    );
  }

  open(port, host);
  if (wait)
    waitForDebugger();

  return { __proto__: null, [SymbolDispose]() { _debugEnd(); } };
}

/**
 * Blocks until a client (existing or connected later)