How to set firebase database to work offline for the web [duplicate]

Question

I am trying to make my firebase app work offline. In the documentation, it talks of disk persistent in android using

Firebase.getDefaultConfig().setPersistenceEnabled(true);

I was wndering if there is anyway to get such a feature for a web app so I can cache my firebase database and my site to still function even when offline.

  <script>
  // Initialize Firebase
  var config = {
    apiKey: "AIzaSycccccceeeeeeeeeeeeeeeeeee",
    authDomain: "gotube-ccccc.firebaseapp.com",
    databaseURL: "https://gotube-ccccc.firebaseio.com",
    storageBucket: "gotube-cccc.appspot.com",
  };

  firebase.initializeApp(config);
  firebase.getDefaultConfig().setPersistenceEnabled(true);

</script>

There is no persistence mode for the JavaScript SDK in Firebase at the moment. See this answer: stackoverflow.com/questions/32530190/… — Frank van Puffelen
– Frank van Puffelen, Commented Sep 3, 2016 at 0:44

Fatihd · Accepted Answer · 2020-03-17 13:29:03Z

0

There is a persistence option in Firestore web sdk.

You can get all information from here

    firebase.firestore().enablePersistence()
      .catch(function(err) {
       if (err.code == 'failed-precondition') {
          // Multiple tabs open, persistence can only be enabled
          // in one tab at a a time.
          // ...
       } else if (err.code == 'unimplemented') {
          // The current browser does not support all of the
          // features required to enable persistence
          // ...
       }
    });
    // Subsequent queries will use persistence, if it was enabled successfully

There are more options in Realtime Database.

You can handle offline capabilities by many ways. The page is here

edited Mar 17, 2020 at 13:29

answered Mar 6, 2020 at 6:39

Fatihd

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Vo Tien Hung · Accepted Answer · 2021-04-15 08:26:46Z

-1

you can try

firebase.database().goOffline()

and you want to online use

firebase.database().goOnline()

answered Apr 15, 2021 at 8:26

Vo Tien Hung

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