Method _cleanup

packages/jest-haste-map/src/index.ts:723–731

()

  }

  private _cleanup() {
    const worker = this._worker;

    if (worker && 'end' in worker) {
      worker.end();
    }

    this._worker = null;
  }

  /**
   * 4. serialize the new `HasteMap` in a cache file.