headplane/app/routes/auth/logout.ts

import { ActionFunctionArgs, redirect } from 'react-router';
import { destroySession, getSession } from '~/utils/sessions';

export async function loader() {
	return redirect('/machines');
}

export async function action({ request }: ActionFunctionArgs) {
	const session = await getSession(request.headers.get('Cookie'));
	return redirect('/login', {
		headers: {
			'Set-Cookie': await destroySession(session),
		},
	});
}