feat: add refetch function for all client hooks (#1206)

* feat: add refetch on client hooks

* docs: add refetch docs

* docs: add refetch docs

Author: Bekacru

docs/content/docs/basic-usage.mdx

@@ -230,6 +230,7 @@ Better Auth provides a `useSession` hook to easily access session data on the cl
 It has the following properties:
 - **data**: the actual session data which includes `session` and `user` object.
 - **isPending**: a boolean that indicates whether the session is being loaded.
+- **refetch**: a function that re-fetches the session and updates the value for all `useSession` usages.
 - **error**: an error object that contains any errors that occurred while loading the session.
 
 <Tabs items={["React", "Vue","Svelte", "Solid", "Vanilla"]} defaultValue="React">
@@ -242,7 +243,8 @@ It has the following properties:
             const { // [!code highlight]
                 data: session, // [!code highlight]
                 isPending, //loading state // [!code highlight]
-                error //error object // [!code highlight]
+                error, //error object // [!code highlight]
+                refetch //refetch the session
             } = authClient.useSession() // [!code highlight]
 
             return (

docs/content/docs/concepts/client.mdx

@@ -101,7 +101,8 @@ On top of normal methods, the client provides hooks to easily access different r
             const {
                 data: session,
                 isPending, //loading state
-                error //error object 
+                error, //error object 
+                refetch //refetch the session
             } = useSession()
             return (
                 //...

packages/better-auth/src/client/query.ts

@@ -24,11 +24,15 @@ export const useAuthQuery = <T>(
 		error: null | BetterFetchError;
 		isPending: boolean;
 		isRefetching: boolean;
+		refetch: () => void;
 	}>({
 		data: null,
 		error: null,
 		isPending: true,
 		isRefetching: false,
+		refetch: () => {
+			return fn();
+		},
 	});
 
 	const fn = () => {
@@ -51,6 +55,7 @@ export const useAuthQuery = <T>(
 						error: null,
 						isPending: false,
 						isRefetching: false,
+						refetch: value.value.refetch,
 					});
 				}
 				await opts?.onSuccess?.(context);
@@ -68,6 +73,7 @@ export const useAuthQuery = <T>(
 					data: null,
 					isPending: false,
 					isRefetching: false,
+					refetch: value.value.refetch,
 				});
 				await opts?.onError?.(context);
 			},
@@ -78,6 +84,7 @@ export const useAuthQuery = <T>(
 					data: currentValue.data,
 					error: null,
 					isRefetching: true,
+					refetch: value.value.refetch,
 				});
 				await opts?.onRequest?.(context);
 			},

packages/better-auth/src/client/react/index.ts

@@ -87,6 +87,7 @@ export function createAuthClient<Option extends ClientOptions>(
 				data: Session;
 				isPending: boolean;
 				error: BetterFetchError | null;
+				refetch: () => void;
 			};
 			$Infer: {
 				Session: NonNullable<Session>;