return 'android';
} else if (/iOS|iPhone|Macintosh|Darwin|OS\s*X|macOS|mac/i.test(ua)) {
return 'macos';
+ } else if (/Microsoft\s*Linux/i.test(ua)) {
+ // It's the year of the Linux Desktop!
+ // WSL / WSL2
+ // (checking linux twice because I'm not sure about cygwin / msysgit)
+ // See also http://www.mslinux.org/
+ return 'linux';
} else if (/^ms$|Microsoft|Windows|win32|win|PowerShell/i.test(ua)) {
// 'win' must be tested after 'darwin'
return 'windows';