Answer: Catch Firestore error in valueChanges subscription and retry in case of failure

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answer re: Catch Firestore error in valueChanges subscription and retry in case of failure

Sep 25 '19

The subscribe method contains a second argument incase of error:

Rx.Observable.prototype.subscribe([observer] | [onNext], [onError], [onCompleted])

[observer] (Observer): The object that is to receive notifications.

[onNext] (Function): Function to invoke for each element in the observable sequence.

[onError] (Function): Function to invoke upon exceptional termination of the observable sequence.

[onCompleted] (Function)…