import type {Route} from './+types/[sitemap.xml]'; import {getSitemapIndex} from '@shopify/hydrogen'; export async function loader({ request, context: {storefront}, }: Route.LoaderArgs) { const response = await getSitemapIndex({ storefront, request, }); response.headers.set('Cache-Control', `max-age=${60 * 60 * 24}`); return response; }