rsnext/examples/with-firebase-hosting/functions/package.json

{
  "name": "functions",
  "description": "Cloud Functions for Firebase",
  "dependencies": {
    "firebase-admin": "5.3.0",
    "firebase-functions": "0.6.3",
    "next": "latest",
    "react": "16.0.0",
    "react-dom": "16.0.0"
  }
}