After installation you encounter an error like RNFirebase core module was not found natively on iOS.
React Native Firebase - Simple Firebase integration for React Native
Troubleshooting
It's most likely you did not run pod update to get the latest pod versions
Run pod update
You should see updated versions of your pods installed
You may need to re-run pod install
react-native run-ios
bundling failed: Error: jest-haste-map:
付録
node_modulesのインストールやりなおし
rm -rf ./node_modules/
npm i
podのインストールやりなおし
cd ios
rm -rf Pods/
pod install
npm start
npm run ios