addCollectionListener method
Implementation
void addCollectionListener(LocalStoreCollectionQuery query) {
final trimPath = query.path.trimQuery().trimString("/");
if (_collectionListeners.containsKey(trimPath)) {
final listener = _collectionListeners[trimPath]!;
if (listener.contains(query)) {
return;
}
listener.add(query);
} else {
_collectionListeners[trimPath] = {query};
}
}