Function CheckExternal

test/external.cc:36–51

}

void CheckExternal(const CallbackInfo& info) {
  Value arg = info[0];
  if (arg.Type() != napi_external) {
    Error::New(info.Env(), "An external argument was expected.")
        .ThrowAsJavaScriptException();
    return;
  }

  External<int> external = arg.As<External<int>>();
  int* externalData = external.Data();
  if (externalData == nullptr || *externalData != 1) {
    Error::New(info.Env(), "An external value of 1 was expected.")
        .ThrowAsJavaScriptException();
    return;
  }
}

Value GetFinalizeCount(const CallbackInfo& info) {
  return Number::New(info.Env(), finalizeCount);