chore: Cleanup

Author: Ehesp

packages/react/src/data-connect/types.ts

@@ -14,8 +14,3 @@ export type FlattenedMutationResult<Data, Variables> = Omit<
   "data" | "toJSON"
 > &
   Data;
-
-// Helper function to determine if a key is a QueryKey.
-export function isQueryKey(key: unknown): key is QueryKey {
-  return Array.isArray(key) && key.length > 0;
-}

packages/react/src/data-connect/useDataConnectMutation.ts

@@ -10,7 +10,7 @@ import {
   type QueryRef,
   executeMutation,
 } from "firebase/data-connect";
-import { type FlattenedMutationResult } from "./types";
+import type { FlattenedMutationResult } from "./types";
 
 export type useDataConnectMutationOptions<
   TData = unknown,