| // 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)'); |
| } |