Method onSnapshot

packages/firebase-firestore/index.d.ts:27–27

NOTE: Although an onCompletion callback can be provided, it will never be called because the snapshot stream is never-ending.

(observer: { complete?: () => void; error?: (error: Error) => void; next?: (snapshot: IQuerySnapshot<T>) => void })

	/** NOTE: Although an onCompletion callback can be provided, it will never be called because the snapshot stream is never-ending. */
	onSnapshot(observer: { complete?: () => void; error?: (error: Error) => void; next?: (snapshot: IQuerySnapshot<T>) => void }): () => void;

	onSnapshot(
		options: SnapshotListenOptions,