firebase ui error debugging

[Ryan Brown]

I'm trying to use FirebaseUI in an ionic app and I'm getting a strange exception after the signin redirect:

cancel at new gt (https://www.gstatic.com/firebasejs/4.10.0/firebase.js:13:9299) at Z.<anonymous> (https://www.gstatic.com/firebasejs/4.10.0/firebase.js:13:81605) at $ (https://www.gstatic.com/firebasejs/4.10.0/firebase.js:13:6669) at t.invoke (http://localhost:8100/build/polyfills.js:3:14976) at r.run (http://localhost:8100/build/polyfills.js:3:10143) at http://localhost:8100/build/polyfills.js:3:20242 at t.invokeTask (http://localhost:8100/build/polyfills.js:3:15660) at r.runTask (http://localhost:8100/build/polyfills.js:3:10834) at o (http://localhost:8100/build/polyfills.js:3:7894)

Is there some way I can build a debug version of firebase.js so I can get a readable stack trace to debug what's going on? The instructions at https://github.com/firebase/firebase-js-sdk aren't super helpful.

I ran yarn dev and it built some .js files, but it seems like they're still compiled.

[Kato Richardson]

Hi Ryan,

You can turn on debug logging to see what's happening at the socket level:

JS:  firebase.database.enableLogging(true);

iOS:  [FIRDatabase setLoggingEnabled:YES];

Android:  FirebaseDatabase.getInstance().setLogLevel(Logger.Level.DEBUG);

Most likely, you're establishing a listener (which opens the socket connection) and then the socket is getting severed when the page redirects. So it's likely a benign error. But I'm not that savvy on Ionic so there could be more here.

☼, Kato

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[Kato Richardson]

Also note that the Firebase JS SDK is open sourced.