chore(react-query): add warning when useBaseQuery is called without a…

… queryFn

Added a console error in development mode when useBaseQuery is called without a queryFn or default queryFn.
This helps developers avoid potential issues by ensuring at least one of them is provided.

packages/react-query/src/useBaseQuery.ts

@@ -48,6 +48,12 @@ export function useBaseQuery<
         'Bad argument type. Starting with v5, only the "Object" form is allowed when calling query related functions. Please use the error stack to find the culprit call. More info here: https://tanstack.com/query/latest/docs/react/guides/migrating-to-v5#supports-a-single-signature-one-object',
       )
     }
+    const defaultQueryFn = queryClient?.getDefaultOptions().queries?.queryFn
+    if (!options.queryFn && !defaultQueryFn) {
+      console.error(
+        'Error: queryFn is required, but only if no default query function has been defined. More info here: https://tanstack.com/query/latest/docs/framework/react/guides/default-query-function',
+      )
+    }
   }
 
   const client = useQueryClient(queryClient)