Method DoWork

test/async_worker.cc:153–160

class TestWorkerNoCallback : public AsyncWorker {
 public:
  static Value DoWork(const CallbackInfo& info) {
    bool succeed = info[0].As<Boolean>();

    TestWorkerNoCallback* worker = new TestWorkerNoCallback(info.Env());
    worker->_succeed = succeed;
    worker->Queue();
    return worker->_deferred.Promise();
  }

  static Value DoWorkWithAsyncRes(const CallbackInfo& info) {
    napi_env env = info.Env();