/** UA-based phone detection intentionally excludes iPad and Android tablets. */
export function isPhoneUserAgent(ua: string): boolean {
  return /iPhone|iPod|Windows Phone/i.test(ua) || (/Android/i.test(ua) && /Mobile/i.test(ua));
}

export function phoneRotation(ua: string, width: number, height: number): boolean {
  return isPhoneUserAgent(ua) && height > width;
}