pkg/linter/tool/migrate.dart

// Copyright (c) 2024, 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.

// ignore_for_file: avoid_print

import 'dart:io';

import 'package:analyzer/error/error.dart';
import 'package:collection/collection.dart';
import 'package:linter/src/rules/analyzer_use_new_elements.dart';

import 'checks/driver.dart';

/// Lists files yet to be migrated to the new element model.
main() async {
  print('Unmigrated files:\n\n');
  // (Start w/ rules.)
  for (var rule in ruleFiles) {
    if (!migratedFiles.contains(rule)) {
      print(rule);
    }
  }

  print('-' * 20);
  print('-' * 20);

  var errors = await getOldElementModelAccesses(rulesDir.absolute.path);

  var errorFiles = <String>{};
  for (var error in errors) {
    errorFiles.add(error.source.fullName);
  }

  print('Migrated files:\n\n');
  for (var rule in ruleFiles) {
    if (!errorFiles.any((f) => f.endsWith(rule))) {
      print(rule);
    }
  }
}

final List<String> migratedFiles =
    File('analyzer_use_new_elements.txt').readAsLinesSync();

final List<String> ruleFiles = rulesDir
    .listSync(recursive: true)
    .where((f) => f.path.endsWith('.dart'))
    .map((r) => r.path)
    .sorted();

final Directory rulesDir = Directory('lib/src/rules');

Future<List<AnalysisError>> getOldElementModelAccesses(String directory) async {
  var results = await Driver([AnalyzerUseNewElements(useOptInFile: false)])
      .analyze([directory]);
  return results;
}