go-locale is a Golang lib for cross-platform locale detection.

Support all OS that Golang supported, except android:

• aix: IBM AIX operating system
• android (have no idea on this)
• darwin: Drawin, Mac OS X
• dragonfly: DragonFly BSD
• freebsd: FreeBSD
• hurd: GNU Hurd
• illumos
• js: JavaScript runtime, WebAssembly
• Linux: Ubuntu, CentOS, RHEL, Archlinux...
• nacl: Native Client
• netbsd: NetBSD
• openbsd: OpenBSD
• plan9: Plan 9 from Bell Labs
• solaris: Solaris
• windows: Windows
• zos: z/OS

• Lookup env LANGUAGE
• Lookup env LC_ALL
• Lookup env LC_MESSAGES
• Lookup env LANG
• Read file $XDG_CONFIG_HOME/locale.conf
• Read file $HOME/.config/locale.conf
• Read file /etc/locale.conf

• Lookup env LANGUAGE
• Lookup env LC_ALL

• Lookup env LANGUAGE
• Lookup env LC_ALL
• Lookup env LC_MESSAGES
• Lookup env LANG
• Windows Registry

• Lookup env LANGUAGE
• Lookup env LC_ALL
• Lookup env LC_MESSAGES
• Lookup env LANG
• macOS X User Defaults System
  • Lookup user AppleLocale
  • Lookup user AppleLanguages
  • Lookup global AppleLocale
  • Lookup global AppleLanguages

import (
    "github.com/Xuanwo/go-locale"
)

func main() {
    tag, err := locale.Detect()
    if err != nil {
        log.Fatal(err)
    }
    // Have fun with language.Tag!

    tags, err := locale.DetectAll()
    if err != nil {
        log.Fatal(err)
    }
    // Get all available tags
}

Inspired by jibber_jabber