// Copyright (c) 2018, 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 'dart:async';

import '../validator.dart';

/// A validator that validates that a pubspec is not including deprecated fields
/// which are no longer read.
class DeprecatedFieldsValidator extends Validator {
  @override
  Future validate() async {
    if (package.pubspec.fields.containsKey('transformers')) {
      warnings.add(
        'Your pubspec.yaml includes a "transformers" section which'
        ' is no longer used and may be removed.',
      );
    }
    if (package.pubspec.fields.containsKey('web')) {
      warnings.add(
        'Your pubspec.yaml includes a "web" section which'
        ' is no longer used and may be removed.',
      );
    }
    if (package.pubspec.fields.containsKey('author')) {
      warnings.add(
        'Your pubspec.yaml includes an "author" section which'
        ' is no longer used and may be removed.',
      );
    }
    if (package.pubspec.fields.containsKey('authors')) {
      warnings.add(
        'Your pubspec.yaml includes an "authors" section which'
        ' is no longer used and may be removed.',
      );
    }
  }
}