Find the Losers of the Circular Game

export function circularGameLosers(n: number, k: number): number[] {
  const friends = new Set(Array.from({ length: n }, (_, i) => i + 1));
 
  let [curr, i] = [0, 0];
  while (friends.has((i % n) + 1)) {
    curr += 1;
    friends.delete((i % n) + 1);
    i += curr * k;
  }
 
  return [...friends];
}