Line endings in route files are changed when using tab indentation #7163

Which project does this relate to?

Router

Describe the bug

After saving, the line ending is changed from 'lf' to 'crlf', with trailing ^M on each line.

Your Example Website or App

https://github.com/TanStack/router/tree/main/examples/react/basic-file-based

Steps to Reproduce the Bug or Issue

1. Start pnpm dev.
2. Change indentation of ); line to tab:

import { createFileRoute } from '@tanstack/react-router';

export const Route = createFileRoute({
  component: App,
});

function App() {
  return (
    <>
      <p>Hello, world!</p>
    </>
	); // This line
}

3. Remove the ('/'), or rename the file.
4. Reload the file.

Expected behavior

It should just update ('/').

Screenshots or Videos

No response

Platform

• Router / Start Version: 1.168.18
• OS: Windows
• Bundler: Vite
• Bundler Version: 8.0.8

Additional context

This doesn't occur if you remove the ; from the tab indented line.