Local<FunctionTemplate> tpl = Nan::New<FunctionTemplate>(New);

tpl->SetClassName(Nan::New("Language").ToLocalChecked());

tpl->InstanceTemplate()->SetInternalFieldCount(1);

Local<Function> constructor = Nan::GetFunction(tpl).ToLocalChecked();

Local<Object> instance = constructor->NewInstance(Nan::GetCurrentContext()).ToLocalChecked();

Nan::SetInternalFieldPointer(instance, 0, tree_sitter_python());

Nan::Set(instance, Nan::New("name").ToLocalChecked(), Nan::New("python").ToLocalChecked());

Nan::Set(module, Nan::New("exports").ToLocalChecked(), instance);