const sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB'];

/**
 * Convert a byte count into human readable byte numbers
 *
 * eg 1024 => 1KB
 *
 * @param bytes  byte count to convert
 */
export function toByteSizeString(bytes: number): string {
  if (bytes === 0) return '0';
  if (bytes === 1) return '1 Byte';
  const i = Math.floor(Math.log(bytes) / Math.log(1024));
  const output = bytes / Math.pow(1024, i);
  const byteSize = sizes[i];

  if (i === 1) return `${Math.round(output)} ${byteSize}`;
  return `${Math.floor(output * 100) / 100} ${byteSize}`;
}