Function getValueFromSnapshot

firestore/useDocument.ts:158–167

(
  snapshot: DocumentSnapshot<T> | undefined,
  options?: SnapshotOptions,
  initialValue?: T
)

};

const getValueFromSnapshot = <T>(
  snapshot: DocumentSnapshot<T> | undefined,
  options?: SnapshotOptions,
  initialValue?: T
): T | undefined => {
  return useMemo(
    () => (snapshot?.data(options) ?? initialValue) as T | undefined,
    [snapshot, options, initialValue]
  );
};