@capacitor-firebase/firestore
v8.2.0
Published
Capacitor plugin for Firebase Cloud Firestore.
Readme
@capacitor-firebase/firestore
Unofficial Capacitor plugin for Firebase Cloud Firestore.[^1]
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Compatibility
| Plugin Version | Capacitor Version | Status | | -------------- | ----------------- | -------------- | | 8.x.x | >=8.x.x | Active support | | 7.x.x | 7.x.x | Deprecated | | 6.x.x | 6.x.x | Deprecated |
Installation
You can use our AI-Assisted Setup to install the plugin. Add the Capawesome Skills to your AI tool using the following command:
npx skills add capawesome-team/skillsThen use the following prompt:
Use the `capacitor-plugins` skill from `capawesome-team/skills` to install the `@capacitor-firebase/firestore` plugin in my project.If you prefer Manual Setup, install the plugin by running the following commands and follow the platform-specific instructions below:
npm install @capacitor-firebase/firestore
npx cap syncAdd Firebase to your project if you haven't already (Android / iOS / Web).
Android
Variables
If needed, you can define the following project variable in your app’s variables.gradle file to change the default version of the dependency:
$firebaseFirestoreVersionversion ofcom.google.firebase:firebase-firestore(default:26.0.2)
This can be useful if you encounter dependency conflicts with other plugins in your project.
Configuration
These configuration values are available:
| Prop | Type | Description | Since |
| ---------------- | ------------------- | ------------------------------------------------------------------------------------- | ----- |
| databaseId | string | The database ID of the Firestore database to use. Only available for Android and iOS. | 8.2.0 |
Examples
In capacitor.config.json:
{
"plugins": {
"FirebaseFirestore": {
"databaseId": undefined
}
}
}In capacitor.config.ts:
/// <reference types="@capacitor-firebase/firestore" />
import { CapacitorConfig } from '@capacitor/cli';
const config: CapacitorConfig = {
plugins: {
FirebaseFirestore: {
databaseId: undefined,
},
},
};
export default config;Demo
A working example can be found here: robingenz/capacitor-firebase-plugin-demo
Starter templates
The following starter templates are available:
Usage
import { FirebaseFirestore } from '@capacitor-firebase/firestore';
const addDocument = async () => {
await FirebaseFirestore.addDocument({
reference: 'users',
data: {
first: 'Alan',
last: 'Turing',
born: 1912
},
});
};
const setDocument = async () => {
await FirebaseFirestore.setDocument({
reference: 'users/Aorq09lkt1ynbR7xhTUx',
data: {
first: 'Alan',
last: 'Turing',
born: 1912
},
merge: true,
});
};
const getDocument = async () => {
const { snapshot } = await FirebaseFirestore.getDocument({
reference: 'users/Aorq09lkt1ynbR7xhTUx',
});
return snapshot;
};
const updateDocument = async () => {
await FirebaseFirestore.updateDocument({
reference: 'users/Aorq09lkt1ynbR7xhTUx',
data: {
first: 'Alan',
last: 'Turing',
born: 1912
},
});
};
const deleteDocument = async () => {
await FirebaseFirestore.deleteDocument({
reference: 'users/Aorq09lkt1ynbR7xhTUx',
});
};
const writeBatch = async () => {
await FirebaseFirestore.writeBatch({
operations: [
{
type: 'set',
reference: 'users/Aorq09lkt1ynbR7xhTUx',
data: {
first: 'Alan',
last: 'Turing',
born: 1912
},
options: { merge: true },
},
{
type: 'update',
reference: 'users/Aorq09lkt1ynbR7xhTUx',
data: {
first: 'Alan',
last: 'Turing',
born: 1912
},
},
{
type: 'delete',
reference: 'users/Aorq09lkt1ynbR7xhTUx',
},
],
});
};
const getCollection = async () => {
const { snapshots } = await FirebaseFirestore.getCollection({
reference: 'users',
compositeFilter: {
type: 'and',
queryConstraints: [
{
type: 'where',
fieldPath: 'born',
opStr: '==',
value: 1912,
},
],
},
queryConstraints: [
{
type: 'orderBy',
fieldPath: 'born',
directionStr: 'desc',
},
{
type: 'limit',
limit: 10,
},
],
});
return snapshots;
};
const getCollectionGroup = async () => {
const { snapshots } = await FirebaseFirestore.getCollectionGroup({
reference: 'users',
compositeFilter: {
type: 'and',
queryConstraints: [
{
type: 'where',
fieldPath: 'born',
opStr: '==',
value: 1912,
},
],
},
queryConstraints: [
{
type: 'orderBy',
fieldPath: 'born',
directionStr: 'desc',
},
{
type: 'limit',
limit: 10,
},
],
});
return snapshots;
};
const enableNetwork = async () => {
await FirebaseFirestore.enableNetwork();
};
const disableNetwork = async () => {
await FirebaseFirestore.disableNetwork();
};
const useEmulator = async () => {
await FirebaseFirestore.useEmulator({
host: '10.0.2.2',
port: 9001,
});
};
const addDocumentSnapshotListener = async () => {
const callbackId = await FirebaseFirestore.addDocumentSnapshotListener(
{
reference: 'users/Aorq09lkt1ynbR7xhTUx',
},
(event, error) => {
if (error) {
console.error(error);
} else {
console.log(event);
}
}
);
return callbackId;
};
const addCollectionSnapshotListener = async () => {
const callbackId = await FirebaseFirestore.addCollectionSnapshotListener(
{
reference: 'users',
compositeFilter: {
type: 'and',
queryConstraints: [
{
type: 'where',
fieldPath: 'born',
opStr: '==',
value: 1912,
},
],
},
queryConstraints: [
{
type: 'orderBy',
fieldPath: 'born',
directionStr: 'desc',
},
{
type: 'limit',
limit: 10,
},
],
},
(event, error) => {
if (error) {
console.error(error);
} else {
console.log(event);
}
}
);
return callbackId;
};
const addCollectionGroupSnapshotListener = async () => {
const callbackId = await FirebaseFirestore.addCollectionGroupSnapshotListener(
{
reference: 'users',
compositeFilter: {
type: 'and',
queryConstraints: [
{
type: 'where',
fieldPath: 'born',
opStr: '==',
value: 1912,
},
],
},
queryConstraints: [
{
type: 'orderBy',
fieldPath: 'born',
directionStr: 'desc',
},
{
type: 'limit',
limit: 10,
},
],
},
(event, error) => {
if (error) {
console.error(error);
} else {
console.log(event);
}
}
);
return callbackId;
};
const removeSnapshotListener = async (callbackId: string) => {
await FirebaseFirestore.removeSnapshotListener({
callbackId,
});
};
const removeAllListeners = async () => {
await FirebaseFirestore.removeAllListeners();
};API
addDocument(...)addCollectionGroupSnapshotListener(...)addCollectionSnapshotListener(...)addDocumentSnapshotListener(...)clearPersistence()deleteDocument(...)disableNetwork()disablePersistence()enablePersistence(...)enableNetwork()getCollection(...)getCollectionGroup(...)getCountFromServer(...)getDocument(...)removeAllListeners()removeSnapshotListener(...)setDocument(...)updateDocument(...)useEmulator(...)writeBatch(...)- Interfaces
- Type Aliases
addDocument(...)
addDocument(options: AddDocumentOptions) => Promise<AddDocumentResult>Adds a new document to a collection with the given data.
| Param | Type |
| ------------- | ----------------------------------------------------------------- |
| options | AddDocumentOptions |
Returns: Promise<AddDocumentResult>
Since: 5.2.0
addCollectionGroupSnapshotListener(...)
addCollectionGroupSnapshotListener<T extends DocumentData = DocumentData>(options: AddCollectionGroupSnapshotListenerOptions, callback: AddCollectionGroupSnapshotListenerCallback<T>) => Promise<CallbackId>Adds a listener for collection group snapshot events.
| Param | Type |
| -------------- | -------------------------------------------------------------------------------------------------------------------------- |
| options | AddCollectionGroupSnapshotListenerOptions |
| callback | AddCollectionGroupSnapshotListenerCallback<T> |
Returns: Promise<string>
Since: 6.1.0
addCollectionSnapshotListener(...)
addCollectionSnapshotListener<T extends DocumentData = DocumentData>(options: AddCollectionSnapshotListenerOptions, callback: AddCollectionSnapshotListenerCallback<T>) => Promise<CallbackId>Adds a listener for collection snapshot events.
| Param | Type |
| -------------- | ---------------------------------------------------------------------------------------------------------------- |
| options | AddCollectionSnapshotListenerOptions |
| callback | AddCollectionSnapshotListenerCallback<T> |
Returns: Promise<string>
Since: 5.2.0
addDocumentSnapshotListener(...)
addDocumentSnapshotListener<T extends DocumentData = DocumentData>(options: AddDocumentSnapshotListenerOptions, callback: AddDocumentSnapshotListenerCallback<T>) => Promise<CallbackId>Adds a listener for document snapshot events.
| Param | Type |
| -------------- | ------------------------------------------------------------------------------------------------------------ |
| options | AddDocumentSnapshotListenerOptions |
| callback | AddDocumentSnapshotListenerCallback<T> |
Returns: Promise<string>
Since: 5.2.0
clearPersistence()
clearPersistence() => Promise<void>Clears the persistent storage. This includes pending writes and cached documents.
Attention: Must be called after the app is shutdown or when the app is first initialized.
Since: 5.2.0
deleteDocument(...)
deleteDocument(options: DeleteDocumentOptions) => Promise<void>Deletes the document referred to by the specified reference.
| Param | Type |
| ------------- | ----------------------------------------------------------------------- |
| options | DeleteDocumentOptions |
Since: 5.2.0
disableNetwork()
disableNetwork() => Promise<void>Disables use of the network.
Since: 5.2.0
disablePersistence()
disablePersistence() => Promise<void>Disables offline persistence.
Attention: Must be called before any other Firestore method.
Since: 8.2.0
enablePersistence(...)
enablePersistence(options?: EnablePersistenceOptions | undefined) => Promise<void>Enables offline persistence.
Attention: Must be called before any other Firestore method.
| Param | Type |
| ------------- | ----------------------------------------------------------------------------- |
| options | EnablePersistenceOptions |
Since: 8.2.0
enableNetwork()
enableNetwork() => Promise<void>Re-enables use of the network.
Since: 5.2.0
getCollection(...)
getCollection<T extends DocumentData = DocumentData>(options: GetCollectionOptions) => Promise<GetCollectionResult<T>>Reads the collection referenced by the specified reference.
| Param | Type |
| ------------- | --------------------------------------------------------------------- |
| options | GetCollectionOptions |
Returns: Promise<GetCollectionResult<T>>
Since: 5.2.0
getCollectionGroup(...)
getCollectionGroup<T extends DocumentData = DocumentData>(options: GetCollectionGroupOptions) => Promise<GetCollectionGroupResult<T>>Reads the collection group referenced by the specified reference.
| Param | Type |
| ------------- | ------------------------------------------------------------------------------- |
| options | GetCollectionGroupOptions |
Returns: Promise<GetCollectionGroupResult<T>>
getCountFromServer(...)
getCountFromServer(options: GetCountFromServerOptions) => Promise<GetCountFromServerResult>Fetches the number of documents in a collection.
| Param | Type |
| ------------- | ------------------------------------------------------------------------------- |
| options | GetCountFromServerOptions |
Returns: Promise<GetCountFromServerResult>
Since: 6.4.0
getDocument(...)
getDocument<T extends DocumentData = DocumentData>(options: GetDocumentOptions) => Promise<GetDocumentResult<T>>Reads the document referred to by the specified reference.
| Param | Type |
| ------------- | ----------------------------------------------------------------- |
| options | GetDocumentOptions |
Returns: Promise<GetDocumentResult<T>>
Since: 5.2.0
removeAllListeners()
removeAllListeners() => Promise<void>Remove all listeners for this plugin.
Since: 5.2.0
removeSnapshotListener(...)
removeSnapshotListener(options: RemoveSnapshotListenerOptions) => Promise<void>Remove a listener for document or collection snapshot events.
| Param | Type |
| ------------- | --------------------------------------------------------------------------------------- |
| options | RemoveSnapshotListenerOptions |
Since: 5.2.0
setDocument(...)
setDocument(options: SetDocumentOptions) => Promise<void>Writes to the document referred to by the specified reference. If the document does not yet exist, it will be created.
| Param | Type |
| ------------- | ----------------------------------------------------------------- |
| options | SetDocumentOptions |
Since: 5.2.0
updateDocument(...)
updateDocument(options: UpdateDocumentOptions) => Promise<void>Updates fields in the document referred to by the specified reference.
| Param | Type |
| ------------- | ----------------------------------------------------------------------- |
| options | UpdateDocumentOptions |
Since: 5.2.0
useEmulator(...)
useEmulator(options: UseEmulatorOptions) => Promise<void>Instrument your app to talk to the Firestore emulator.
| Param | Type |
| ------------- | ----------------------------------------------------------------- |
| options | UseEmulatorOptions |
Since: 6.1.0
writeBatch(...)
writeBatch(options: WriteBatchOptions) => Promise<void>Execute multiple write operations as a single batch.
| Param | Type |
| ------------- | --------------------------------------------------------------- |
| options | WriteBatchOptions |
Since: 6.1.0
Interfaces
AddDocumentResult
| Prop | Type | Description | Since |
| --------------- | --------------------------------------------------------------- | ------------------------------------------ | ----- |
| reference | DocumentReference | The reference of the newly added document. | 5.2.0 |
DocumentReference
| Prop | Type | Description | Since |
| ---------- | ------------------- | ------------------------------------------------ | ----- |
| id | string | The document's identifier within its collection. | 5.2.0 |
| path | string | The path of the document. | 5.2.0 |
AddDocumentOptions
| Prop | Type | Description | Since |
| --------------- | ----------------------------------------------------- | ----------------------------------------------------------------------------------- | ----- |
| reference | string | The reference as a string, with path components separated by a forward slash (/). | 5.2.0 |
| data | DocumentData | An object containing the data for the new document. | 5.2.0 |
DocumentData
AddCollectionGroupSnapshotListenerOptions
| Prop | Type | Description | Since |
| ---------------------- | ----------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------- | ----- |
| reference | string | The reference as a string, with path components separated by a forward slash (/). | 6.1.0 |
| compositeFilter | QueryCompositeFilterConstraint | The filter to apply. | 6.1.0 |
| queryConstraints | QueryNonFilterConstraint[] | Narrow or order the set of documents to retrieve, but do not explicitly filter for document fields. | 6.1.0 |
QueryCompositeFilterConstraint
| Prop | Type | Description | Since |
| ---------------------- | ------------------------------------ | --------------------------- | ----- |
| type | 'and' | 'or' | The type of the constraint. | 5.2.0 |
| queryConstraints | QueryFilterConstraint[] | The filters to apply. | 5.2.0 |
QueryFieldFilterConstraint
| Prop | Type | Description | Since |
| --------------- | ------------------------------------------------------- | ------------------------------ | ----- |
| type | 'where' | The type of the constraint. | 5.2.0 |
| fieldPath | string | The path to compare. | 5.2.0 |
| opStr | QueryOperator | The operation string to apply. | 5.2.0 |
| value | any | The value for comparison. | 5.2.0 |
QueryOrderByConstraint
| Prop | Type | Description | Since |
| ------------------ | ------------------------------------------------------------- | --------------------------- | ----- |
| type | 'orderBy' | The type of the constraint. | 5.2.0 |
| fieldPath | string | The path to compare. | 5.2.0 |
| directionStr | OrderByDirection | The direction to sort by. | 5.2.0 |
QueryLimitConstraint
| Prop | Type | Description | Since |
| ----------- | ------------------------------------- | -------------------------------------- | ----- |
| type | 'limit' | 'limitToLast' | The type of the constraint. | 5.2.0 |
| limit | number | The maximum number of items to return. | 5.2.0 |
QueryStartAtConstraint
| Prop | Type | Description | Since |
| --------------- | -------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------ | ----- |
| type | 'startAt' | 'startAfter' | The type of the constraint. | 5.2.0 |
| reference | string | The reference to start at or after as a string, with path components separated by a forward slash (/). Attention: This requires an additional document read. | 5.2.0 |
QueryEndAtConstraint
| Prop | Type | Description | Since |
| --------------- | ----------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ----- |
| type | 'endAt' | 'endBefore' | The type of the constraint. | 5.2.0 |
| reference | string | The reference as to end at or before as a string, with path components separated by a forward slash (/). Attention: This requires an additional document read. | 5.2.0 |
GetCollectionGroupResult
| Prop | Type | Description | Since |
| --------------- | ------------------------------------------------------------------------ | -------------------------------- | ----- |
| snapshots | DocumentSnapshot<T>[] | The documents in the collection. | 5.2.0 |
DocumentSnapshot
| Prop | Type | Description | Since |
| -------------- | ------------------------------------------------------------- | --------------------------------------------------------------------------------------------- | ----- |
| id | string | The document's identifier within its collection. | 5.2.0 |
| path | string | The path of the document. | 5.2.0 |
| data | T | null | An object containing the data for the document. Returns null if the document doesn't exist. | 5.2.0 |
| metadata | SnapshotMetadata | Metadata about the snapshot, concerning its source and if it has local modifications. | 6.2.0 |
SnapshotMetadata
| Prop | Type | Description | Since |
| ---------------------- | -------------------- | --------------------------------------------------------- | ----- |
| fromCache | boolean | True if the snapshot was created from cached data. | 6.2.0 |
| hasPendingWrites | boolean | True if the snapshot was created from pending write data. | 6.2.0 |
AddCollectionSnapshotListenerOptions
| Prop | Type | Description | Since |
| ---------------------- | ----------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------- | ----- |
| reference | string | The reference as a string, with path components separated by a forward slash (/). | 5.2.0 |
| compositeFilter | QueryCompositeFilterConstraint | The filter to apply. | 5.2.0 |
| queryConstraints | QueryNonFilterConstraint[] | Narrow or order the set of documents to retrieve, but do not explicitly filter for document fields. | 5.2.0 |
GetCollectionResult
| Prop | Type | Description | Since |
| --------------- | ------------------------------------------------------------------------ | -------------------------------- | ----- |
| snapshots | DocumentSnapshot<T>[] | The documents in the collection. | 5.2.0 |
AddDocumentSnapshotListenerOptions
| Prop | Type | Description | Since |
| --------------- | ------------------- | ----------------------------------------------------------------------------------- | ----- |
| reference | string | The reference as a string, with path components separated by a forward slash (/). | 5.2.0 |
GetDocumentResult
| Prop | Type | Description | Since |
| -------------- | ---------------------------------------------------------------------- | ------------------------------ | ----- |
| snapshot | DocumentSnapshot<T> | The current document contents. | 5.2.0 |
DeleteDocumentOptions
| Prop | Type | Description | Since |
| --------------- | ------------------- | ----------------------------------------------------------------------------------- | ----- |
| reference | string | The reference as a string, with path components separated by a forward slash (/). | 5.2.0 |
EnablePersistenceOptions
| Prop | Type | Description | Default | Since |
| --------------------- | -------------------- | -------------------------------------------------------------------------------- | ------------------------------- | ----- |
| cacheSizeBytes | number | The cache size in bytes. | 104857600 (100 MB) | 8.2.0 |
| synchronizeTabs | boolean | Whether to synchronize persistence across multiple tabs. Only available for Web. | false | 8.2.0 |
GetCollectionOptions
| Prop | Type | Description | Since |
| ---------------------- | ----------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------- | ----- |
| reference | string | The reference as a string, with path components separated by a forward slash (/). | 5.2.0 |
| compositeFilter | QueryCompositeFilterConstraint | The filter to apply. | 5.2.0 |
| queryConstraints | QueryNonFilterConstraint[] | Narrow or order the set of documents to retrieve, but do not explicitly filter for document fields. | 5.2.0 |
GetCollectionGroupOptions
| Prop | Type | Description | Since |
| ---------------------- | ----------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------- | ----- |
| reference | string | The reference as a string, with path components separated by a forward slash (/). | 5.2.0 |
| compositeFilter | QueryCompositeFilterConstraint | The filter to apply. | 5.2.0 |
| queryConstraints | QueryNonFilterConstraint[] | Narrow or order the set of documents to retrieve, but do not explicitly filter for document fields. | 5.2.0 |
GetCountFromServerResult
| Prop | Type | Description | Since |
| ----------- | ------------------- | ------------------------------------------ | ----- |
| count | number | The number of documents in the collection. | 6.4.0 |
GetCountFromServerOptions
| Prop | Type | Description | Since |
| --------------- | ------------------- | ----------------------------------------------------------------------------------- | ----- |
| reference | string | The reference as a string, with path components separated by a forward slash (/). | 6.4.0 |
GetDocumentOptions
| Prop | Type | Description | Since |
| --------------- | ------------------- | ----------------------------------------------------------------------------------- | ----- |
| reference | string | The reference as a string, with path components separated by a forward slash (/). | 5.2.0 |
RemoveSnapshotListenerOptions
| Prop | Type | Since |
| ---------------- | ------------------------------------------------- | ----- |
| callbackId | CallbackId | 5.2.0 |
SetDocumentOptions
| Prop | Type | Description | Default | Since |
| --------------- | ----------------------------------------------------- | ----------------------------------------------------------------------------------- | ------------------ | ----- |
| reference | string | The reference as a string, with path components separated by a forward slash (/). | | 5.2.0 |
| data | DocumentData | An object containing the data for the new document. | | 5.2.0 |
| merge | boolean | Whether to merge the provided data with an existing document. | false | 5.2.0 |
UpdateDocumentOptions
| Prop | Type | Description | Since |
| --------------- | ----------------------------------------------------- | ----------------------------------------------------------------------------------- | ----- |
| reference | string | The reference as a string, with path components separated by a forward slash (/). | 5.2.0 |
| data | DocumentData | An object containing the data for the new document. | 5.2.0 |
UseEmulatorOptions
| Prop | Type | Description | Default | Since |
| ---------- | ------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ----------------- | ----- |
| host | string | The emulator host without any port or scheme. Note when using a Android Emulator device: 10.0.2.2 is the special IP address to connect to the 'localhost' of the host computer. | | 6.1.0 |
| port | number | The emulator port. | 8080 | 6.1.0 |
WriteBatchOptions
| Prop | Type | Description | Since |
| ---------------- | ---------------------------------- | --------------------------------------- | ----- |
| operations | WriteBatchOperation[] | The operations to execute in the batch. | 6.1.0 |
WriteBatchOperation
| Prop | Type | Description | Since |
| --------------- | ----------------------------------------------------- | ----------------------------------------------------------------------------------- | ----- |
| type | 'set' | 'update' | 'delete' | The type of operation. | 6.1.0 |
| reference | string | The reference as a string, with path components separated by a forward slash (/). | 6.1.0 |
| data | DocumentData | An object containing the data for the new document. | 6.1.0 |
| options | SetOptions | An object to configure the set behavior. | 7.3.0 |
SetOptions
| Prop | Type | Description | Default | Since |
| ----------- | -------------------- | -------------------------------------------------------------------------- | ------------------ | ----- |
| merge | boolean | Whether a merge should be performed or the document should be overwritten. | false | 7.3.0 |
Type Aliases
QueryFilterConstraint
QueryFieldFilterConstraint | QueryCompositeFilterConstraint
QueryOperator
'<' | '<=' | '==' | '>=' | '>' | '!=' | 'array-contains' | 'array-contains-any' | 'in' | 'not-in'
QueryNonFilterConstraint
QueryOrderByConstraint | QueryLimitConstraint | QueryStartAtConstraint | QueryEndAtConstraint
OrderByDirection
'desc' | 'asc'
AddCollectionGroupSnapshotListenerCallback
(event: AddCollectionGroupSnapshotListenerCallbackEvent<T> | null, error: any): void
AddCollectionGroupSnapshotListenerCallbackEvent
GetCollectionGroupResult<T>
CallbackId
string
AddCollectionSnapshotListenerCallback
(event: AddCollectionSnapshotListenerCallbackEvent<T> | null, error: any): void
AddCollectionSnapshotListenerCallbackEvent
GetCollectionResult<T>
AddDocumentSnapshotListenerCallback
(event: AddDocumentSnapshotListenerCallbackEvent<T> | null, error: any): void
AddDocumentSnapshotListenerCallbackEvent
GetDocumentResult<T>
Changelog
See CHANGELOG.md.
License
See LICENSE.
[^1]: This project is not affiliated with, endorsed by, sponsored by, or approved by Google LLC or any of their affiliates or subsidiaries.