Does firebase-functions need bodyParser?

[Naresh Bhatia]

I am creating my own express app and handing it over to firebase-functions as demonstrated in this functions sample:

const expressApp = express();

app.use(cors({ origin: true }));

// app.use(bodyParser.urlencoded({ extended: true }));

// app.use(bodyParser.json());

app.use(validateFirebaseIdToken);

expressApp.get('/books', getBooks);

expressApp.post('/books', createBook);

export const app = functions.https.onRequest(expressApp);

Usually in my express apps I use the bodyParser middleware to decode JSON bodies. Surprisingly, the app is working without this middleware (note the commented lines above). Also the functions samples don't include it. I am curious how firebase-functions manages to work without this middleware?

Thanks in advance.

[Kato Richardson]

Hi Naresh,

Pretty sure Functions are just including the middleware (or an alternate parser) behind the scenes before passing it into your function. So no real magic happening here other than convenience. : )

☼, Kato

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Kato Richardson |

Developer Programs Eng |

kato...@google.com |

775-235-8398