CADisableMinimumFrameDurationOnPhone Info.plist migration for https://github.com/flutter/flutter/pull/94509

minimum_frame_duration_migration.dart

// Copyright 2014 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

import '../../base/file_system.dart';
import '../../base/logger.dart';
import '../../base/project_migrator.dart';
import '../../xcode_project.dart';

// Add CADisableMinimumFrameDurationOnPhone to the Info.plist.
class MinimumFrameDurationMigration extends ProjectMigrator {
  MinimumFrameDurationMigration(
    IosProject project,
    Logger logger,
  ) : _infoPlist = project.defaultHostInfoPlist,
      super(logger);

  final File _infoPlist;

  @override
  bool migrate() {
    if (!_infoPlist.existsSync()) {
      logger.printTrace('Xcode project workspace data not found, skipping minimum frame duration migration.');
      return true;
    }

    processFileLines(_infoPlist);
    return true;
  }

  @override
  String migrateFileContents(String fileContents) {
    //
    if (fileContents.contains('CADisableMinimumFrameDurationOnPhone')) {
      return fileContents;
    }
    const String plistEnd = '''
</dict>
</plist>
''';
    const String plistWithKey = '''
	<key>CADisableMinimumFrameDurationOnPhone</key>
	<true/>
</dict>
</plist>
''';

    return fileContents.replaceAll(plistEnd, plistWithKey);
  }
}