function chunkArray<T>(arr: T[], size: number): T[][] {
  if(arr.length === 0 || size <= 0) return  []
  let chunk = []
  let sizer = []
  for(let ar of arr) {
    if(sizer.length !== size){
      sizer.push(ar)
    } else {
      chunk.push(sizer)
      sizer = []
      sizer.push(ar)
    }
  }
  chunk.push(sizer)
  return chunk;
}

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