react-native/ReactCommon/cxxreact/SharedProxyCxxModule.h

// Copyright (c) Facebook, Inc. and its affiliates.

// This source code is licensed under the MIT license found in the
// LICENSE file in the root directory of this source tree.

#include <memory>

#include <cxxreact/CxxModule.h>

namespace facebook { namespace xplat { namespace module {

// Allows a Cxx-module to be shared or reused across multiple React instances
// Caveat: the setInstance call is not forwarded, so usages of getInstance inside your
// module (e.g. dispatching events) will always be nullptr.
class SharedProxyCxxModule : public CxxModule {
public:
  explicit SharedProxyCxxModule(std::shared_ptr<CxxModule> shared)
    : shared_(shared) {}

  std::string getName() override {
    return shared_->getName();
  }

  auto getConstants() -> std::map<std::string, folly::dynamic> override {
    return shared_->getConstants();
  }

  auto getMethods() -> std::vector<Method> override {
    return shared_->getMethods();
  }

private:
  std::shared_ptr<CxxModule> shared_;
};

}
}
}