import 'dart:ui' as ui; import 'package:intl/locale.dart' as intl; extension LocaleFormat on intl.Locale { String rawToString(String separator) { final StringBuffer out = StringBuffer(languageCode); if (scriptCode != null && scriptCode!.isNotEmpty) { out.write('$separator$scriptCode'); } final String? countryCode = this.countryCode; if (countryCode != null && countryCode.isNotEmpty) { out.write('$separator${this.countryCode}'); } return out.toString(); } } extension LocaleConverter on ui.Locale { intl.Locale toIntlLocale() { return intl.Locale.fromSubtags( languageCode: languageCode, countryCode: countryCode, scriptCode: scriptCode, ); } }