fix

Author: AlemTuzlak

src/vite/plugin.tsx

@@ -112,12 +112,13 @@ export const reactRouterDevTools: (args?: ReactRouterViteConfig) => Plugin[] = (
 								...recursiveFlatten(
 									routeOrRoutes.children.map((child) => {
 										const withoutExtension = child.file.split(".").slice(0, -1).join(".")
+										const withoutExtensionParent = routeOrRoutes.file.split(".").slice(0, -1).join(".")
 										// remove the trailing ./ and ../
 										const withoutRelative = withoutExtension.replace(/^\.\//, "").replace(/^\.\.\//, "")
 										return {
 											...child,
 											id: child.id ?? withoutRelative,
-											parentId: withoutExtension,
+											parentId: withoutExtensionParent,
 										}
 									})
 								),