firebase.messaging().deleteToken(Token) Failed on Firebase WEB SDK 7.6.1

[fhajarf]

[REQUIRED] Describe your environment

• Operating System version: windows 10
• Browser version: Version 83.0.4103.116 (Official Build) (64-bit)
• Firebase SDK version: 7.6.1
• Firebase Product: Firebase Cloud Messaging

[REQUIRED] Describe the problem

Steps to reproduce:

The issue occurs when a use grants notification permissions, gets a FCM token, then updates the notification permissions in the browser back to Ask (default), reloads the page, grants notification permissions again in Chrome, and get an error when trying to getToken at this point. Note: subsequent calls to getToken don't face this issue.

Relevant Code:

if(messaging){ messaging.requestPermission() .then(async () => { const token = await messaging.getToken(); const user= JSON.parse(localStorage.getItem('userObj')); var isMyObjectEmpty = !Object.keys(user).length; const doc = await db.collection('tokens').doc('webTokens').get(); if(user && !isMyObjectEmpty){ db.collection('tokens').doc(user.uid).set({webPushToken: token}, {merge: true}).then(() => { }).catch((error) => { console.log(error.message,'here we are'); }) } if(doc.exists){ db.collection('tokens').doc('webTokens').update({tokens: firebase.firestore.FieldValue.arrayUnion(token)}).then(() => { }).catch((error) => { console.log(error.message,'hahaha'); }) } else { console.log("Doc dosen't exist "); } }) .catch((err) => { console.log("Unable to get permission to notify.", err.code); }); navigator.serviceWorker.addEventListener("message", (message) => console.log(message));

[google-oss-bot]

I couldn't figure out how to label this issue, so I've labeled it for a human to triage. Hang tight.

[zwu52]

Hi fhajarf, thanks for reporting. It looks like this might be a duplicate of #2364. If there is no objection, I'll close this issue and update on that. Cheers.