Method Wrapper

napi-inl.h:169–177

template <typename Callable, typename Return>
struct CallbackData {
  static inline napi_value Wrapper(napi_env env, napi_callback_info info) {
    return details::WrapCallback(env, [&] {
      CallbackInfo callbackInfo(env, info);
      CallbackData* callbackData =
          static_cast<CallbackData*>(callbackInfo.Data());
      callbackInfo.SetData(callbackData->data);
      return callbackData->callback(callbackInfo);
    });
  }

  Callable callback;
  void* data;