function fetchPageAssets() {
  var assets = $("#assets-table .next-input--readonly")
  assets.each(function (index, input) {
    files.push(input.value)
    if (index + 1 == assets.length) {
      var lastItem = $(input).parents("tr[bind-class]").attr('bind-class').substring(25, 36)
      $.ajax({
        url: "/admin/settings/files?direction=next&last_id=" + lastItem + "&last_value=" + lastItem + "&limit=100&order=id+desc",
      }).done(function (data) {
        var mutationObserver = new MutationObserver(function (mutations, observer) {
          mutations.some(function (mutation) {
            if (mutation.target.id &&
              mutation.target.id == "assets-area" &&
              mutation.addedNodes[0].nextElementSibling.innerHTML.indexOf("empty") > -1
            ) {
              downloadListFile()
              observer.disconnect()
              return true;
            } else if (mutation.target.id &&
              mutation.target.id == "assets-area" &&
              mutation.previousSibling.className == "ui-layout ui-layout--full-width"
            ) {
              fetchPageAssets()
              observer.disconnect()
              return true;
            }
          })
        });
        mutationObserver.observe(document, {
          childList: true,
          subtree: true
        });
        var newDoc = document.open("text/html", "replace");
        newDoc.write(data);
        newDoc.close();
      })
    }
  })
}
function downloadListFile() {
  var downloader = $("<a id='download-file' href='' download='shopify-files.txt'></a>")
  $(".ui-title-bar").append(downloader)
  var data = 'data:application/octet-stream;base64,' + window.btoa(files.join(','));
  $('#download-file').attr('href', data);
  $('#download-file')[0].click();
}
var files = []
fetchPageAssets()