// 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 'package:file/file.dart'; import 'package:flutter_tools/src/artifacts.dart'; import 'package:flutter_tools/src/web/file_generators/flutter_js.dart'; import '../test_utils.dart'; import 'deferred_components_config.dart'; const String _kDefaultHtml = ''' <html> <head> <title>Hello, World</title> </head> <body> <script src="main.dart.js"></script> </body> </html> '''; abstract class Project { /// Creates a flutter Project for testing. /// /// If passed, `indexHtml` is used as the contents of the web/index.html file. Project({this.indexHtml = _kDefaultHtml}); late Directory dir; String get pubspec; String? get main => null; String? get test => null; String? get generatedFile => null; DeferredComponentsConfig? get deferredComponents => null; Uri get mainDart => Uri.parse('package:test/main.dart'); /// The contents for the index.html file of this `Project`. /// /// Defaults to [_kDefaultHtml] via the Project constructor. /// /// (Used by [HotReloadProject].) final String indexHtml; Future<void> setUpIn(Directory dir) async { this.dir = dir; writeFile(fileSystem.path.join(dir.path, 'pubspec.yaml'), pubspec); final String? main = this.main; if (main != null) { writeFile(fileSystem.path.join(dir.path, 'lib', 'main.dart'), main); } final String? test = this.test; if (test != null) { writeFile(fileSystem.path.join(dir.path, 'test', 'test.dart'), test); } final String? generatedFile = this.generatedFile; if (generatedFile != null) { writeFile(fileSystem.path.join(dir.path, '.dart_tool', 'flutter_gen', 'flutter_gen.dart'), generatedFile); } deferredComponents?.setUpIn(dir); final String fileGeneratorsPath = Artifacts.test().getArtifactPath(Artifact.flutterToolsFileGenerators); final String flutterJsContents = generateFlutterJsFile(fileGeneratorsPath); // Setup for different flutter web initializations writeFile(fileSystem.path.join(dir.path, 'web', 'index.html'), indexHtml); writeFile(fileSystem.path.join(dir.path, 'web', 'flutter.js'), flutterJsContents); writeFile(fileSystem.path.join(dir.path, 'web', 'flutter_service_worker.js'), ''); writePackages(dir.path); await getPackages(dir.path); } int lineContaining(String contents, String search) { final int index = contents.split('\n').indexWhere((String l) => l.contains(search)); if (index == -1) { throw Exception("Did not find '$search' inside the file"); } return index + 1; // first line is line 1, not line 0 } }