Function WrapCallback

napi-inl.h:92–116

inline napi_value WrapCallback(napi_env env, Callable callback) {
#else
inline napi_value WrapCallback(napi_env, Callable callback) {
#endif
#ifdef NODE_ADDON_API_CPP_EXCEPTIONS
  try {
    return callback();
  } catch (const Error& e) {
    e.ThrowAsJavaScriptException();
    return nullptr;
  }
#ifdef NODE_ADDON_API_CPP_EXCEPTIONS_ALL
  catch (const std::exception& e) {
    Napi::Error::New(env, e.what()).ThrowAsJavaScriptException();
    return nullptr;
  } catch (...) {
    Napi::Error::New(env, "A native exception was thrown")
        .ThrowAsJavaScriptException();
    return nullptr;
  }
#endif  // NODE_ADDON_API_CPP_EXCEPTIONS_ALL
#else   // NODE_ADDON_API_CPP_EXCEPTIONS
  // When C++ exceptions are disabled, errors are immediately thrown as JS
  // exceptions, so there is no need to catch and rethrow them here.
  return callback();
#endif  // NODE_ADDON_API_CPP_EXCEPTIONS
}

// For use in JS to C++ void callback wrappers to catch any Napi::Error
// exceptions and rethrow them as JavaScript exceptions before returning from