firestore
The Firebase Cloud Firestore service is available for the default app or a given app.
Example: Get the firestore instance for the default app:
const firestoreForDefaultApp = firebase.firestore();
Example: Get the firestore instance for a secondary app:
const otherApp = firebase.app('otherApp');
const firestoreForOtherApp = firebase.firestore(otherApp);
Properties
Methods
batch
</>Creates a write batch, used for performing multiple writes as a single atomic operation.
The maximum number of writes allowed in a single WriteBatch is 500, but note that each usage
of FieldValue.serverTimestamp()
, FieldValue.arrayUnion()
, FieldValue.arrayRemove()
, or FieldValue.increment()
inside a WriteBatch counts as an additional write.
batch(): WriteBatch;
clearPersistence
</>Aimed primarily at clearing up any data cached from running tests. Needs to be executed before any database calls are made.
clearPersistence(): Promise<void>;
collection
</>Gets a CollectionReference
instance that refers to the collection at the specified path.
collection(collectionPath: string): CollectionReference;
collectionGroup
</>Creates and returns a new Query that includes all documents in the database that are contained in a collection or subcollection with the given collectionId.
collectionGroup(collectionId: string): Query;
disableNetwork
</>Disables network usage for this instance. It can be re-enabled via enableNetwork()
. While the
network is disabled, any snapshot listeners or get() calls will return results from cache, and any
write operations will be queued until the network is restored.
disableNetwork(): Promise<void>;
doc
</>Gets a DocumentReference
instance that refers to the document at the specified path.
doc(documentPath: string): DocumentReference;
enableNetwork
</>Re-enables use of the network for this Firestore instance after a prior call to disableNetwork()
.
enableNetwork(): Promise<void>;
runTransaction
</>Executes the given updateFunction
and then attempts to commit the changes applied within the transaction.
If any document read within the transaction has changed, Cloud Firestore retries the updateFunction
.
If it fails to commit after 5 attempts, the transaction fails.
runTransaction(updateFunction: (transaction: Transaction) => Promise): Promise<any>;
settings
</>Specifies custom settings to be used to configure the Firestore instance. Must be set before invoking any other methods.
terminate
</>Typically called to ensure a new Firestore instance is initialized before calling
firebase.firestore().clearPersistence()
.
terminate(): Promise<void>;
Statics
CACHE_SIZE_UNLIMITED
</>Used to set the cache size to unlimited when passing to cacheSizeBytes
in
firebase.firestore().settings()
.
firestore.CACHE_SIZE_UNLIMITED: number;
setLogLevel
</>Sets the verbosity of Cloud Firestore native device logs (debug, error, or silent).
firestore.setLogLevel(logLevel: "debug" | "error" | "silent"): void;