return news for a given date as rss feed in typescript

index.ts
import http from 'http';
import { parseString } from 'xml2js';
import { RSS } from 'rss';

function getNewsForDate(date: string): Promise<string> {
  const rssUrl = 'https://example.com/news/rss';

  return new Promise((resolve, reject) => {
    // Make HTTP request to RSS feed URL
    http.get(rssUrl, (res) => {
      let rssData = '';
      res.on('data', (chunk) => {
        rssData += chunk;
      });
      res.on('end', () => {
        // Parse XML data to a JavaScript object
        parseString(rssData, (err, result) => {
          if (err) {
            reject(err);
          } else {
            // Filter articles by publication date
            const matchingArticles = result.rss.channel[0].item.filter((item: any) => {
              return item.pubDate[0].startsWith(date);
            });

            // Generate RSS feed XML string
            const feed = new RSS({
              title: 'News for ' + date,
              feed_url: rssUrl,
              site_url: rssUrl,
            });
            matchingArticles.forEach((article: any) => {
              feed.item({
                title: article.title[0],
                description: article.description[0],
                url: article.link[0],
                date: article.pubDate[0],
              });
            });
            const feedXml = feed.xml();

            resolve(feedXml);
          }
        });
      });
    }).on('error', (err) => {
      reject(err);
    });
  });
}
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