src/pages/sitemap/products.xml.js


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import productSearchApi from '@/lib/product/api/productSearchApi';
import { create } from 'xmlbuilder';
import _ from 'lodash-contrib';

export async function getServerSideProps({ res }) {
  const baseUrl = process.env.SELF_HOST + '/sitemap/products';
  const limit = 2500;
  const query = { limit };
  const products = await productSearchApi({ query: _.toQuery(query) });
  const pageCount = Math.ceil(products.response.numFound / limit);
  const pages = Array.from({ length: pageCount }, (_, i) => i + 1);
  const sitemapIndex = create('sitemapindex', { encoding: 'UTF-8' }).att(
    'xmlns',
    'http://www.sitemaps.org/schemas/sitemap/0.9'
  );

  // const date = new Date()
  const date = '2025-10-29';
  pages.forEach((page) => {
    const sitemap = sitemapIndex.ele('sitemap');
    sitemap.ele('loc', `${baseUrl}/${page}.xml`);
    sitemap.ele('lastmod', date.toISOString().slice(0, 10));
  });

  res.setHeader('Content-Type', 'text/xml');
  res.write(sitemapIndex.end());
  res.end();

  return { props: {} };
}

export default function SitemapProducts() {
  return null;
}