import { source } from "@/lib/source";
import { url } from "@/utils/metadata";
import type { MetadataRoute } from "next";

export default async function sitemap(): Promise<MetadataRoute.Sitemap> {
	return [
		...(await Promise.all(
			source.getPages().map(async (page) => {
				const { lastModified } = page.data;
				return {
					url: url(page.url),
					lastModified: lastModified ? new Date(lastModified) : undefined,
					changeFrequency: "weekly",
					priority: 0.5,
				} as MetadataRoute.Sitemap[number];
			}),
		)),
	];
}