fix(nextjs): Improve type inference for the return type of auth helper (#2047)

.changeset/new-eels-mix.md

@@ -0,0 +1,6 @@
+---
+'@clerk/backend': patch
+'@clerk/nextjs': patch
+---
+
+Fix type inferance for auth helper.

packages/backend/src/tokens/authObjects.ts

@@ -166,7 +166,7 @@ export function sanitizeAuthObject<T extends Record<any, any>>(authObject: T): T
  */
 export const makeAuthObjectSerializable = <T extends Record<string, unknown>>(obj: T): T => {
   // remove any non-serializable props from the returned object
-  // eslint-disable-next-line @typescript-eslint/no-unused-vars
+
   const { debug, getToken, ...rest } = obj as unknown as AuthObject;
   return rest as unknown as T;
 };

packages/nextjs/src/server/getAuth.ts

@@ -45,7 +45,9 @@ export const createGetAuth = ({
     return (
       req: RequestLike,
       opts?: GetAuthOpts,
-    ): AuthObjectWithDeprecatedResources<SignedInAuthObject | SignedOutAuthObject> => {
+    ):
+      | AuthObjectWithDeprecatedResources<SignedInAuthObject>
+      | AuthObjectWithDeprecatedResources<SignedOutAuthObject> => {
       const debug = getHeader(req, constants.Headers.EnableDebug) === 'true';
       if (debug) {
         logger.enable();