function chunkArray<T>(arr: T[], size: number): T[][] {
  if (arr.length === 0) return [];
  const chunkArray: T[][] = [];
  let acc: T[] = [];

  for (const item of arr) {
    acc.push(item);
    if (acc.length == size) {
      chunkArray.push(acc);
      acc = [];
    }
  }

  if (acc.length > 0) {
    chunkArray.push(acc);
  }

  return chunkArray;
}

// No modificar: necesario para evaluar el resultado.
export { chunkArray };