library-ts/browser/dom/UserAgentInfo.ts

export class UserAgentInfo
{ 
  static is( regex:RegExp )
  {
    return regex.test( navigator.userAgent );
  }

  static get isIPhone()
  {
    return UserAgentInfo.is( /iphone/i );
  }

  static get isIPad()
  {
    return  UserAgentInfo.is( /ipad/i );
  }  

  static get isMac()
  {
    return  UserAgentInfo.is( /macintosh/i );
  }

  static get isAndroid()
  {
    return UserAgentInfo.is( /android/i );
  }

  static get isTablet()
  {
    return UserAgentInfo.is( /tablet/i );
  }

  static get isChrome()
  {
    let ua = navigator.userAgent;
    return ua.toLowerCase().includes( "chrome" ) && ! ua.toLowerCase().includes( "edg" );
  }

  static get isFirefox()
  {
    let ua = navigator.userAgent;
    return ua.toLowerCase().includes( "firefox" );
  }

  static get isSafari()
  {
    let ua = navigator.userAgent;
    return ua.toLowerCase().includes( "safari" );
  }

  static get isTV()
  {
    let isTV = UserAgentInfo.is( /smart\-?tv/i ) || UserAgentInfo.is( /net\-?cast/i ) ||
               UserAgentInfo.is( /apple\s*tv/i ) || UserAgentInfo.is( /android\s*tv/i ) ||
               UserAgentInfo.is( /opera\s*tv/i );

    return isTV;
  }
  
  static get isOther()
  {
    let other = UserAgentInfo.is( /roku/i ) || UserAgentInfo.is( /tizen/i ) ||
                UserAgentInfo.is( /netflix/i ) || UserAgentInfo.is( /crkey/i );
        
    return other;
  }

}