Function parseInteractiveArgs

lib/internal/debugger/inspect.js:225–267

(args)

}

function parseInteractiveArgs(args) {
  const target = ArrayPrototypeShift(args);
  let host = '127.0.0.1';
  let port = 9229;
  let isRemote = false;
  let script = target;
  let scriptArgs = args;

  const hostMatch = RegExpPrototypeExec(/^([^:]+):(\d+)$/, target);
  const portMatch = RegExpPrototypeExec(/^--port=(\d+)$/, target);

  if (hostMatch) {
    // Connecting to remote debugger
    host = hostMatch[1];
    port = Number(hostMatch[2]);
    isRemote = true;
    script = null;
  } else if (portMatch) {
    // Start on custom port
    port = Number(portMatch[1]);
    script = args[0];
    scriptArgs = ArrayPrototypeSlice(args, 1);
  } else if (args.length === 1 && RegExpPrototypeExec(/^\d+$/, args[0]) !== null &&
             target === '-p') {
    // Start debugger against a given pid
    const pid = Number(args[0]);
    try {
      process._debugProcess(pid);
    } catch (e) {
      if (e.code === 'ESRCH') {
        process.stderr.write(`Target process: ${pid} doesn't exist.\n`);
        process.exit(kGenericUserError);
      }
      throw e;
    }
    script = null;
    isRemote = true;
  }

  return {
    host, port, isRemote, script, scriptArgs,
  };
}

const kInspectArgOptions = {
  '__proto__': null,