if (document.querySelector('.refreshBar')) {
  document.querySelector('.refreshBar').addEventListener('click', async (e) => {
    e.preventDefault();
    const feedUri = e.target.getAttribute('data-feed');
    const cursor = document.querySelector('.post').getAttribute('data-cursor');
    console.log(cursor);
    fetch('lib/asyncRequestHandler.php', {
      method: 'POST',
      headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
      body: "action=updateFeed&feed="+feedUri+"&cursor="+cursor+"&newer=true",
      mode: 'cors'
    }).then(response => response.text())
      .then((data) => {
        const htmlNodes = new DOMParser().parseFromString(data, 'text/html');
        const refreshBar = document.querySelector('.refreshBar');
        refreshBar.after(...htmlNodes.querySelectorAll('.post'));
    });
  });
}