export default (len = 6) => {
  const chars = "ABCDEFGHJKMNPQRSTWXYZabcdefhijkmnprstwxyz2345678";
  const maxPos = chars.length;
  let id = "";
  for (let i = 0; i < len; i++) {
    id += chars.charAt(Math.floor(Math.random() * maxPos));
  }
  return id;
};