react-native-firebase/tests-new/bridge/env/rn.js

import reactNative, { Platform, NativeModules } from 'react-native';
import RNRestart from 'react-native-restart'; // Import package from node modules

require('sinon');
require('should-sinon');
require('should');

const bridgeNode = global.__bridgeNode;

// https://github.com/ptmt/react-native-macos/blob/master/React/Modules/RCTDevSettings.mm
if (Platform.OS === 'ios' && !bridgeNode) {
  NativeModules.RCTDevSettings.setIsDebuggingRemotely(true);
}

if (bridgeNode) {
  bridgeNode.provideReactNativeModule(reactNative);
  bridgeNode.provideReload(RNRestart.Restart);
}

export default {
  provideModule(moduleExports) {
    if (bridgeNode) {
      bridgeNode.provideModule(moduleExports);
      bridgeNode.ready();
    }
  },
  provideRoot(rootComponent) {
    if (bridgeNode) {
      bridgeNode.provideRoot(rootComponent);
    }
  },
};

// keep alive
setInterval(() => {
  // I don't do anything lol
  // BUT i am needed - otherwise RN's batch bridge starts to hang in detox... ???
}, 50);