Function analyseArguments

src/ui/processTree/processTree.ts:114–136

(args: string)

 * Analyse the given command line arguments and extract debug port and protocol from it.
 */
export function analyseArguments(args: string) {
  const DEBUG_PORT_PATTERN = /--inspect-port=(\d+)/;

  let address: string | undefined;
  let port: number | undefined;

  // match --inspect, --inspect=1234, --inspect-brk, --inspect-brk=1234
  let matches = DEBUG_FLAGS_PATTERN().exec(args);
  if (matches?.groups) {
    const portStr = matches.groups.port1 || matches.groups.port2;
    port = portStr ? Number(portStr) : 9229;
    address = matches.groups.address ?? '127.0.0.1';
  }

  // a --inspect-port=1234 overrides the port
  matches = DEBUG_PORT_PATTERN.exec(args);
  if (matches && matches.length === 2) {
    address ||= '127.0.0.1';
    port = parseInt(matches[1]);
  }

  return { address, port };
}