blob: 08219a29ae05cec695e721ec12f3a33b22a23d2e [file] [log] [blame]
// 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 'dart:io';
import 'package:path/path.dart' as path;
/// Count the number of libraries that import globals_null_migrated.dart and globals.dart in lib and test.
///
/// This must be run from the flutter_tools project root directory.
void main() {
final Directory sources = Directory(path.join(Directory.current.path, 'lib'));
final Directory tests = Directory(path.join(Directory.current.path, 'test'));
countGlobalImports(sources);
countGlobalImports(tests);
}
final RegExp globalImport = RegExp(r"import.*(?:globals|globals_null_migrated)\.dart' as globals;");
final RegExp globalNullUnsafeImport = RegExp('import.*globals.dart\' as globals;');
void countGlobalImports(Directory directory) {
int count = 0;
int nullUnsafeImportCount = 0;
for (final FileSystemEntity file in directory.listSync(recursive: true)) {
if (!file.path.endsWith('.dart') || file is! File) {
continue;
}
final List<String> fileLines = file.readAsLinesSync();
final bool hasImport = fileLines.any((String line) {
return globalImport.hasMatch(line);
});
if (hasImport) {
count += 1;
}
final bool hasUnsafeImport = fileLines.any((String line) {
return globalNullUnsafeImport.hasMatch(line);
});
if (hasUnsafeImport) {
nullUnsafeImportCount += 1;
}
}
print('${path.basename(directory.path)} contains $count libraries with global usage ($nullUnsafeImportCount unsafe)');
}