Doesn’t work on Vercel

[ggukggukee]

Hello!
My app is working fine but on Vercel I get this error:
errorInfo: { code: 'app/no-app', message: 'The default Firebase app does not exist. Make sure you call initializeApp() before using any of the Firebase services.' },
I tried different versions of firebase and firebase-admin but nothing helps

[kmjennison]

Possibly related: #614

[ggukggukee]

Changed my auth from next-auth to next-firebase-auth and because of this error can't push my app to production

[ggukggukee]

Error occurred with firebase-admin when tried create a custom token. I made it work initializing firebase-admin with their library.

[Mrjuanblack]

@ggukggukee How did you init firebase-admin? I'm initializing it before calling the inithAuth method from next-firebase-auth and I commented the admin credentials that the initAuth method needs, but I still encounter the same error as you.

[ggukggukee]

@Mrjuanblack I used firebase's library for that.
Created firebase init function:

import admin from 'firebase-admin';

function formatFirebasePrivateKey(key) {
  // return key.replace(/\\n/g, '\n');
  return key ? JSON.parse(key) : undefined;
}

export function createFirebaseAdminApp(params) {
  const privateKey = formatFirebasePrivateKey(params.privateKey);

  // if already created, return the same instance
  if (admin.apps.length > 0) {
    return admin.app();
  }

  // create certificate
  const cert = admin.credential.cert({
    projectId: params.projectId,
    clientEmail: params.clientEmail,
    privateKey,
  });

  // initialize admin app
  return admin.initializeApp({
    credential: cert,
    projectId: params.projectId,
    storageBucket: params.storageBucket,
  });
}

and then used in where i firebase admin is needed

async function initializeAdmin() {
  const params = {
    projectId: process.env.NEXT_PUBLIC_FIREBASE_PROJECT_ID,
    clientEmail: process.env.FIREBASE_CLIENT_EMAIL,
    privateKey: process.env.FIREBASE_PRIVATE_KEY,
  };

  return createFirebaseAdminApp(params);
}

for example before creating custom token

await initializeAdmin();

const token = await auth().createCustomToken(user.uuid);

[thanhtutzaw]

@kmjennison Hi I also get error on vercel deploy.
initAuth