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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 | 13x 13x 15x 5x 5x 5x 13x 13x 12x 4x 8x 1x 1x 7x 7x 3x 3x 7x 12x 12x 12x 12x 12x 12x | /**
* Firebase Admin SDK initialization.
*
* Provides shared instances of Firestore, Auth, RTDB, and Messaging.
* Expects GOOGLE_APPLICATION_CREDENTIALS env var pointing to service account JSON,
* or FIREBASE_SERVICE_ACCOUNT_PATH for explicit path.
*/
const admin = require('firebase-admin');
const serviceAccountPath =
process.env.FIREBASE_SERVICE_ACCOUNT_PATH || process.env.GOOGLE_APPLICATION_CREDENTIALS;
function configureLocalEmulators() {
if (process.env.NODE_ENV === 'local') {
process.env.FIRESTORE_EMULATOR_HOST = 'localhost:8080';
process.env.FIREBASE_AUTH_EMULATOR_HOST = 'localhost:9099';
process.env.FIREBASE_DATABASE_EMULATOR_HOST = 'localhost:9000';
}
}
// Configure emulators before any Firebase calls
configureLocalEmulators();
if (!admin.apps.length) {
if (process.env.NODE_ENV === 'local') {
// Emulators need a databaseURL for RTDB even though traffic goes to emulator
admin.initializeApp({
projectId: 'demo-shytalk',
databaseURL: 'http://localhost:9000?ns=demo-shytalk-default-rtdb',
});
} else {
if (!process.env.FIREBASE_DATABASE_URL) {
// eslint-disable-next-line no-console
console.error(
'FIREBASE_DATABASE_URL env var is required (RTDB region differs between dev and prod)',
);
process.exit(1);
}
const initOptions = {
databaseURL: process.env.FIREBASE_DATABASE_URL,
};
if (serviceAccountPath) {
const serviceAccount = require(serviceAccountPath);
initOptions.credential = admin.credential.cert(serviceAccount);
}
admin.initializeApp(initOptions);
}
}
const db = admin.firestore();
const auth = admin.auth();
const rtdb = admin.database();
const messaging = admin.messaging();
const { FieldValue } = admin.firestore;
module.exports = { admin, db, auth, rtdb, messaging, FieldValue, configureLocalEmulators };
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