var delay = (ms) => new Promise(res => setTimeout(res, ms));

async function getListingInfoByPage(p){
  var res = await fetch("https://marketplace.ifood.com.br/v1/merchants?latitude=-22.90885&longitude=-47.064676&zip_code=13010040&page="+p+"&channel=IFOOD&size=100&sort=&categories=&payment_types=&delivery_fee_from=0&delivery_fee_to=25&delivery_time_from=20&delivery_time_to=90", {"credentials":"omit","headers":{"accept":"application/json, text/plain, */*","accept-language":"pt-BR,pt;q=1","cache-control":"no-cache, no-store"},"referrer":"https://www.ifood.com.br/lista-restaurantes","referrerPolicy":"no-referrer-when-downgrade","body":null,"method":"GET","mode":"cors"});

var jdat = await res.json();
  return jdat;
}

async function looper(){
  var temp = [];
    var totalPages = 11;
  for(var i = 1; i<totalPages; i++){
    var dat = await getListingInfoByPage(i+1);
    console.log(i);
    await delay(10);
temp.push(dat);
  }
    downloadr(temp);
}

async function downloadr(obj) {
  var type = "data:application/json;charset=utf-8,";
  var strDL = JSON.stringify(obj);
  var file = new Blob([strDL], { type: type });
  var a = document.createElement("a"),
  url = URL.createObjectURL(file);
  a.href = url;
  a.download = "jsonDumpDefaultName.json";
  document.body.appendChild(a);
  a.click();
  await delay(10);
  document.body.removeChild(a);
  window.URL.revokeObjectURL(url);
}

looper();