playground/frontend/playground_components_dev/lib/src/string.dart

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import 'package:flutter/widgets.dart';
import 'package:flutter_code_editor/flutter_code_editor.dart';

extension StringExtension on String {
  /// Whether this is different from [another] only by cutting a single range
  /// of zero or more characters.
  bool isAsIfCutFrom(String another) {
    final range = getChangedRange(
      another,
      attributeChangeTo: TextAffinity.downstream,
    );

    return range.isCollapsed;
  }
}