generatedLangs function
Implementation
Future<String> generatedLangs(
Lang lang,
List<TrnResult> ens,
) async {
final cEns = ens.map((e) => e.en).toList();
final buffer = StringBuffer();
final allText = [for (final i in ens) await _genTextLangs(i, lang, cEns)]
.where((e) => e != null)
.cast<String>()
.toList();
buffer
..writeln('{')
..writeln(allText.join(',\n'))
..writeln('}');
return buffer.toString();
}