Duplicate object keys in $path.ts when same directory names exist under different Next.js Route Groups

[yuki555-j]

Description

Conflicting object keys in $path.ts for the following directory structure in AppRouter.

Conflict Pattern

└── app/
    ├── (layoutA)/
    │   ├── folder1
    │       └── page.tsx
    │   └── folder2
    │       └── page.tsx
    └── (layoutB)/
        └── folder2
            └── folder2_child_page
                └── page.tsx

No conflict pattern

└── app/
    ├── (layoutA)/
    │   └── folder2
    │       └── page.tsx
    │   ├── folder3
    │       └── page.tsx
    └── (layoutB)/
        └── folder2
            └── folder2_child_page
                └── page.tsx

Environment

• Package version: v0.25.0
• OS:
  • Linux
  • Windows
  • macOS
• Node.js version: v23.10.0
• npm version: v10.9.2

Additional context

Outputs in the event of conflicts.

export const pagesPath = {
  folder1: {
    $url: (url?: { hash?: string }) => ({
      pathname: '/folder1' as const,
      hash: url?.hash,
      path: `/folder1${buildSuffix(url)}`,
    }),
  },
  folder2: {
    $url: (url?: { hash?: string }) => ({
      pathname: '/folder2' as const,
      hash: url?.hash,
      path: `/folder2${buildSuffix(url)}`,
    }),
  },
  folder2: {
    folder1_child_page: {
      $url: (url?: { hash?: string }) => ({
        pathname: '/folder2/folder1_child_page' as const,
        hash: url?.hash,
        path: `/folder2/folder1_child_page${buildSuffix(url)}`,
      }),
    },
  },
  $url: (url: { query: Query_1j04kwd; hash?: string }) => ({
    pathname: '/' as const,
    query: url.query,
    hash: url.hash,
    path: `/${buildSuffix(url)}`,
  }),
};