export function formatSize(bytes: number): string {
  let num: number;
  let unit: string;

  if (bytes > 1000 * 1000 * 1000) {
    num = bytes / 1000 / 1000 / 1000;
    unit = 'GB';
  } else if (bytes > 1000 * 1000) {
    num = bytes / 1000 / 1000;
    unit = 'MB';
  } else if (bytes > 1000) {
    num = bytes / 1000;
    unit = 'KB';
  } else {
    num = bytes;
    unit = 'B';
  }

  return `${Math.round(num * 10) / 10} ${unit}`;
}