text: const cheerio = require('cheerio');
  const got = require('@/utils/got');
  
  module.exports = async (ctx) => {
      const url = `https://www.scientificamerican.com/podcast/60-second-science/`;
      const cover = `https://static.scientificamerican.com/sciam/cache/file/484FA146-8892-477F-B38D18775563CC9E_small.jpg`;
  
      const res = await got.get(url);
      const $ = cheerio.load(res.data);
      const list = $('.underlined_text.t_small').get();
  
      const out = await Promise.all(
          list.map(async (item) => {
              const $ = cheerio.load(item);
              const fullTitle = $(item).attr('aria-label');
              const title = fullTitle.substring(0, fullTitle.length - 11);
              const address = $(item).attr('href');
              const cache = await ctx.cache.get(address);
              if (cache) {
                  return Promise.resolve(JSON.parse(cache));
              }
              const res = await got.get(address);
              const capture = cheerio.load(res.data);
  
              const tStr = '.article-header__divider > ul > li > span:nth-child(2)';
              const time = capture(tStr).text();
              const aStr = '.article-header__divider > ul > li > span:nth-child(1) > span';
              const author = capture(aStr).text();
  
              capture('.transcript__close').remove();
              const intro = capture('.article-media__object').html() + '<br><br>';
              const contents =
                  intro +
                  capture('.transcript__inner')
                      .html()
                      .replace(/<p>\[?<em>\(?The above text.*this podcast.*?em.*?p>/g, '');
              const track = capture('.podcasts__media > div > a').attr('href');
              const single = {
                  title,
                  description: contents,
                  enclosure_url: track,
                  enclosure_type: 'audio/mpeg',
                  link: address,
                  guid: address,
                  author: author,
                  pubDate: new Date(time).toUTCString(),
              };
              ctx.cache.set(address, JSON.stringify(single));
              return Promise.resolve(single);
          })
      );
      ctx.state.data = {
          itunes_author: 'Scientific American',
          itunes_category: 'Science',
          image: cover,
          title: '60-Second Science',
          link: url,
          item: out,
      };
  };
  