Scrape(Thingiverse API): Get Things via Search API

var pages = 200;
var collection = [];

async function* ag() {
  let i = 1;
  while (i < pages) {
    yield i++;
  }
}
(async () => {
var delay = ms => new Promise(r => setTimeout(r, ms))
function getRandomInt(max) {
  return Math.floor(Math.random() * Math.floor(max));
}
const download = (data, fileName) => {
  var jsonDUMP = JSON.stringify(data);
  var exportFilename = fileName + ".json";
  var csvData = new Blob([jsonDUMP], {
    type: 'text/csv;charset=utf-8;'
  });
  var link = document.createElement('a');
  link.href = window.URL.createObjectURL(csvData);
  link.setAttribute('download', exportFilename);
  document.body.appendChild(link);
  link.click();
  document.body.removeChild(link);
};

for await (let n of ag()) {
try{
await delay(getRandomInt(750));
var res = await fetch(`https://api.thingiverse.com/search/?page=${n}&per_page=20&sort=popular&type=things`, {
    "credentials": "omit",
    "headers": {
        "Accept-Language": "en-US,en;q=0.5",
        "Authorization": "Bearer 56edfc79ecf25922b98202dd79a291aa"
    },
    "referrer": "https://www.thingiverse.com/",
    "method": "GET"
});