- If I do not listen to the observed subscription, do I take a document? (I think so).
var ref = db.collection('room')
, ref
, 'room'
. ( ).
ref.get()
ref.onSnapshot()
.
- "", " , " Firestore?
( where()
.orderBy()
), onSnapshot()
, , , .
- Observables, db.collection('room') , X- Firestore ?
Cloud Firestore , . / .