const chars = '0123456789aábcdeéfghiíjklmnoóöőpqrstuúüűvwxyz';

export function compare(a, b) {
  a = a.toString().toLowerCase();
  b = b.toString().toLowerCase();

  if (a === b) {
    return 0;
  }

  let posA = 0;
  let posB = 0;
  let locA = chars.indexOf(a.charAt(posA));
  let locB = chars.indexOf(b.charAt(posB));
  while (locA === locB) {
    locA = chars.indexOf(a.charAt(++posA));
    locB = chars.indexOf(b.charAt(++posB));
  }

  if (locA > locB) {
    return 1;
  }

  if (locA < locB) {
    return -1;
  }

  return 0;
}