Method Execute

node/opencc.cc:36–42

    }

    void Execute() override {
      try {
        output_ = instance_->Convert(input_);
      } catch (opencc::Exception& e) {
        SetError(e.what());
      }
    }

    void OnOK() override {
      Callback().Call({Env().Undefined(), Napi::String::New(Env(), output_)});