localeFor method Null safety

Locale localeFor(
  1. String language,
  2. {String separator = '-'}
)

Locale for speech package

Implementation

static Locale localeFor(String language, {String separator = '-'}) {
  final parts = language.split(separator);
  return Locale(parts[0], parts.length > 1 ? parts[1].toUpperCase() : null);
}