firestore-initialization.ts

import * as admin from 'firebase-admin';

const serviceAccount = require('../firestore.creds.json');

admin.initializeApp({
  credential: admin.credential.cert(serviceAccount),
  databaseURL: `https://${serviceAccount.project_id}.firebaseio.com`,
});

const firestore = admin.firestore();
firestore.settings({
  timestampsInSnapshots: true,
});