Useful localization-related extensions in Flutter.

extensions.dart

extension BuildContextLocalizations on BuildContext {
  Locale get locale => Localizations.localeOf(this);

  String get languageCode => locale.toLanguageTag();

  AppLocalizations get l10n => AppLocalizations.of(this)!;

  List<Locale> get supportedLocales => AppLocalizations.supportedLocales;

  List<Locale> get realSupportedLocales => AppLocalizationsX.supportedLocales;
}