Method constructor

test/common/inspector-helper.js:343–378

(inspectorFlags = ['--inspect-brk=0', '--expose-internals'],
              scriptContents = '',
              scriptFile = _MAINSCRIPT,
              logger = console)

class NodeInstance extends EventEmitter {
  constructor(inspectorFlags = ['--inspect-brk=0', '--expose-internals'],
              scriptContents = '',
              scriptFile = _MAINSCRIPT,
              logger = console) {
    super();

    this._logger = logger;
    this._scriptPath = scriptFile;
    this._script = scriptFile ? null : scriptContents;
    this._portCallback = null;
    this.resetPort();
    this._process = spawnChildProcess(inspectorFlags, scriptContents,
                                      scriptFile);
    this._running = true;
    this._stderrLineCallback = null;
    this._unprocessedStderrLines = [];

    this._process.stdout.on('data', makeBufferingDataCallback(
      (line) => {
        this.emit('stdout', line);
        this._logger.log('[out]', line);
      }));

    this._process.stderr.on('data', makeBufferingDataCallback(
      (message) => this.onStderrLine(message)));

    this._shutdownPromise = new Promise((resolve) => {
      this._process.once('exit', (exitCode, signal) => {
        if (signal) {
          this._logger.error(`[err] child process crashed, signal ${signal}`);
        }
        resolve({ exitCode, signal });
        this._running = false;
      });
    });
  }

  get pid() {
    return this._process.pid;