firestore listener not working as expected

[suvarna84]

My web application requires me to use firestore listener for a document 'jkl. Instead of printing the updated value once, it is repeatedly printing the value even though there is no update in the document 'jkl.

 void switchListener() async {
      _listener = Firestore.instance
       .collection('abc')
      .document('def')
      .collection('ghi')
     .document('jkl')
     .snapshots()
 .listen((data) => listenerUpdate(data));
 }

 void listenerUpdate(data) {
   String number = data['URL'];
  setState(() {
  _totalDocs = number;
     });
   }

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! Doctor found issues in 2 categories.

[kevmoo]

What version of this package are you using?
Which version of the firebase JS libraries are you using?
What is the event data?

[no-response]

Without additional information we're not able to resolve this issue, so it will be closed at this time. You're still free to add more info and respond to any questions above, though. We'll reopen the case if you do. Thanks for your contribution!