extract a list of Medium posts from the page

medium.js

// scraping from the page
function getPosts() {
  let domPosts = Array.from(document.querySelectorAll('.postArticle')).reverse();
  return domPosts.map((domPost) => {
    return {
      href: domPost.querySelector('.js-postField').parentNode.href,
      title: domPost.querySelector('h3').textContent.trim(),
      date: domPost.querySelector('time').getAttribute('datetime')
    };
  });
}

getPosts();

// sorting all of them
const fs = require('fs');

let posts = JSON.parse(fs.readFileSync('medium-posts.json'));

let sorted = posts.sort((p1, p2) => {
  let date1 = new Date(p1.date);
  let date2 = new Date(p2.date);

  if (date1 < date2) {
    return -1;
  }
  if (date1 > date2) {
    return 1;
  }
  // a must be equal to b
  return 0;
});

fs.writeFileSync('medium-posts-sorted.json', JSON.stringify(sorted));