firebase.firestore() is not a function when trying to initialize Cloud Firestore

Question

When I try to initialize Firebase Cloud Firestore, I ran into the following error:

Uncaught TypeError: WEBPACK_IMPORTED_MODULE_0_firebase

Answer 1

I found a useful comment in Github by alclimb

he mentioned about firebase analytics won't work in Node.js, because it meant to be used with a browser (this is mention in the official documentation)