Unclear TypeScript error when using routerWithQueryClient(router, queryClient) without createRootRouteWithContext()

[leonlarsson]

Which project does this relate to?

Router

Describe the bug

Using routerWithQueryClient(router, queryClient) without using createRootRouteWithContext() in __root.tsx leads to an unclear TypeScript error in router.tsx:

Argument of type 'Router<RootRoute<undefined, {}, AnyContext, AnyContext, {}, undefined, RootRouteChildren, FileRouteTypes>, ... 4 more ..., Record<...>>' is not assignable to parameter of type 'never'.

Your Example Website or App

https://stackblitz.com/edit/tanstack-router-csygmngw?file=app%2Frouter.tsx

Steps to Reproduce the Bug or Issue

1. Visit StackBlitz link
2. Go to router.tsx
3. See TS error on line 16

Expected behavior

This is an easy thing to miss, so having an error that is easily understood would be good.

Screenshots or Videos

No response

Platform

N/A

Additional context

No response