pkgs/intl4x/lib/src/case_mapping/case_mapping_impl.dart

// Copyright (c) 2023, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

import '../locale/locale.dart';
import '../utils.dart';
import 'case_mapping_stub.dart'
    if (dart.library.js_interop) 'case_mapping_ecma.dart';
import 'case_mapping_stub_4x.dart' if (dart.library.ffi) 'case_mapping_4x.dart';

abstract class CaseMappingImpl {
  final Locale locale;

  CaseMappingImpl(this.locale);

  String toLowerCase(String input);
  String toUpperCase(String input);

  static CaseMappingImpl build(Locale locales) =>
      buildFormatter(locales, null, getCaseMappingECMA, getCaseMapping4X);
}