blob: 58fa8e68b0fd332994faee7766a101b853393ca2 [file] [log] [blame]
// Copyright (c) 2020, 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 'package:analysis_server/src/services/correction/dart/abstract_producer.dart';
import 'package:analysis_server/src/services/correction/fix.dart';
import 'package:analyzer/dart/ast/ast.dart';
import 'package:analyzer_plugin/utilities/change_builder/change_builder_core.dart';
import 'package:analyzer_plugin/utilities/fixes/fixes.dart';
import 'package:analyzer_plugin/utilities/range_factory.dart';
class UseEqEqNull extends CorrectionProducer {
@override
FixKind get fixKind => DartFixKind.USE_EQ_EQ_NULL;
@override
Future<void> compute(ChangeBuilder builder) async {
if (coveredNode is IsExpression) {
var isExpression = coveredNode as IsExpression;
await builder.addDartFileEdit(file, (builder) {
builder.addReplacement(
range.endEnd(isExpression.expression, isExpression), (builder) {
builder.write(' == null');
});
});
}
}
/// Return an instance of this class. Used as a tear-off in `FixProcessor`.
static UseEqEqNull newInstance() => UseEqEqNull();
}