Run dartfmt fix over example apps to remove optional new/const.

Skip any files that run on the VM (builder), until dart2 default is flipped.

Closes #1408

PiperOrigin-RevId: 200660215

Author: alorenzen

examples/github_issues/lib/api.dart

@@ -15,7 +15,7 @@ class GithubService {
     final payload = await HttpRequest.getString(_allIssuesEndpoint);
     final issues = (json.decode(payload) as List).cast<Map<String, dynamic>>();
     for (final issue in issues) {
-      yield new GithubIssue.parse(issue);
+      yield GithubIssue.parse(issue);
     }
   }
 }
@@ -48,7 +48,7 @@ class GithubIssue {
   });
 
   factory GithubIssue.parse(Map<String, dynamic> json) {
-    return new GithubIssue(
+    return GithubIssue(
       id: json['id'],
       url: Uri.parse(json['html_url']),
       title: json['title'],

examples/github_issues/lib/ui.dart

@@ -10,15 +10,15 @@ import 'api.dart';
 
 @Component(
   selector: 'issue-list',
-  directives: const [
+  directives: [
     NgFor,
     NgIf,
     IssueBodyComponent,
     IssueTitleComponent,
     MaterialProgressComponent,
     MaterialToggleComponent,
   ],
-  styleUrls: const ['src/ui/issue_list.scss.css'],
+  styleUrls: ['src/ui/issue_list.scss.css'],
   templateUrl: 'src/ui/issue_list.html',
 )
 class IssueListComponent implements OnInit {
@@ -31,7 +31,7 @@ class IssueListComponent implements OnInit {
   Timer _loadingTimer;
 
   IssueListComponent(this._github) {
-    _loadingTimer = new Timer.periodic(const Duration(milliseconds: 50), (_) {
+    _loadingTimer = Timer.periodic(const Duration(milliseconds: 50), (_) {
       progress += 10;
       if (progress > 100) {
         progress = 0;
@@ -84,7 +84,7 @@ class IssueBodyComponent {
 /// Renders [GithubIssue.title].
 @Component(
   selector: 'issue-title',
-  styles: const [
+  styles: [
     r'''
     a {
       display: block;

examples/github_issues/test/issue_body_test.dart

@@ -14,9 +14,9 @@ void main() {
 
   group('$IssueBodyComponent', () {
     test('should properly render markdown', () async {
-      var testBed = new NgTestBed<IssueBodyComponent>();
+      var testBed = NgTestBed<IssueBodyComponent>();
       var fixture = await testBed.create(beforeChangeDetection: (c) {
-        c.issue = new GithubIssue(
+        c.issue = GithubIssue(
           description: '**Hello World**',
         );
       });

examples/github_issues/test/issue_list_test.dart

@@ -15,7 +15,7 @@ import 'issue_list_test.template.dart' as ng;
 
 @Component(
   selector: 'test',
-  directives: const [IssueListComponent],
+  directives: [IssueListComponent],
   template: r'<issue-list></issue-list>',
 )
 class ComplexTestComponent {}
@@ -26,26 +26,26 @@ void main() {
 
   group('$IssueListComponent', () {
     test('should properly render markdown', () async {
-      var stream = new StreamController<GithubIssue>();
-      var service = new MockGithubService();
+      var stream = StreamController<GithubIssue>();
+      var service = MockGithubService();
       when(service.getIssues()).thenReturn(stream.stream);
-      var testBed = new NgTestBed<ComplexTestComponent>().addProviders([
+      var testBed = NgTestBed<ComplexTestComponent>().addProviders([
         provide(GithubService, useValue: service),
       ]);
       var fixture = await testBed.create();
 
       // NOT REQUIRED: We just want to slow down the test to see it.
-      await new Future.delayed(const Duration(seconds: 1));
+      await Future.delayed(const Duration(seconds: 1));
 
       // Get a handle to the list.
-      final list = new IssueListPO(fixture.rootElement);
+      final list = IssueListPO(fixture.rootElement);
       expect(await list.isLoading, isTrue);
       expect(await list.items, isEmpty);
 
       // Complete the RPC.
       await fixture.update((_) {
         stream.add(
-          new GithubIssue(
+          GithubIssue(
             id: 1,
             url: Uri.parse('http://github.com'),
             title: 'First issue',
@@ -54,7 +54,7 @@ void main() {
           ),
         );
         stream.add(
-          new GithubIssue(
+          GithubIssue(
             id: 2,
             url: Uri.parse('http://github.com'),
             title: 'Second issue',
@@ -66,7 +66,7 @@ void main() {
       });
 
       // NOT REQUIRED: We just want to slow down the test to see it.
-      await new Future.delayed(const Duration(seconds: 1));
+      await Future.delayed(const Duration(seconds: 1));
 
       // Try toggling an item.
       var row = (await list.items)[0];
@@ -81,14 +81,14 @@ void main() {
       );
 
       // NOT REQUIRED: We just want to slow down the test to see it.
-      await new Future.delayed(const Duration(seconds: 1));
+      await Future.delayed(const Duration(seconds: 1));
 
       // Toggle again.
       await row.toggle();
       expect(await row.isToggled, isFalse);
 
       // NOT REQUIRED: We just want to slow down the test to see it.
-      await new Future.delayed(const Duration(seconds: 1));
+      await Future.delayed(const Duration(seconds: 1));
 
       row = (await list.items)[1];
       await row.toggle();
@@ -111,7 +111,7 @@ class IssueListPO {
 
   Future<List<IssueItemPO>> _items() async => _root
       .querySelectorAll('.github-issue')
-      .map((e) => new IssueItemPO(e))
+      .map((e) => IssueItemPO(e))
       .toList();
 
   Element get _expansion => _root.querySelector('.expansion');

examples/github_issues/web/main.dart

@@ -6,7 +6,7 @@ import 'main.template.dart' as ng;
 
 @Component(
   selector: 'ng-app',
-  directives: const [
+  directives: [
     IssueListComponent,
   ],
   template: '<issue-list></issue-list>',
@@ -15,8 +15,8 @@ class NgAppComponent {}
 
 void main() {
   runApp(ng.NgAppComponentNgFactory, createInjector: ([parent]) {
-    return new Injector.map({
-      GithubService: new GithubService(),
+    return Injector.map({
+      GithubService: GithubService(),
     }, parent);
   });
 }

examples/hacker_news_pwa/lib/app_component.dart

@@ -11,8 +11,8 @@ import 'src/routes.dart';
 @Component(
   selector: 'app',
   templateUrl: 'app_component.html',
-  directives: const [routerDirectives],
-  styleUrls: const ['app_component.css'],
+  directives: [routerDirectives],
+  styleUrls: ['app_component.css'],
   // Disabled. We use global styles that are used before the JavaScript loads.
   //
   // See web/index.html's <style> tag.
@@ -26,27 +26,27 @@ class AppComponent {
   static final jobsUrl = jobsRoutePath.toUrl();
 
   static final routes = [
-    new RouteDefinition(
+    RouteDefinition(
       routePath: newsRoutePath,
       component: feed.FeedComponentNgFactory,
     ),
-    new RouteDefinition(
+    RouteDefinition(
       routePath: newRoutePath,
       component: feed.FeedComponentNgFactory,
     ),
-    new RouteDefinition(
+    RouteDefinition(
       routePath: showRoutePath,
       component: feed.FeedComponentNgFactory,
     ),
-    new RouteDefinition(
+    RouteDefinition(
       routePath: askRoutePath,
       component: feed.FeedComponentNgFactory,
     ),
-    new RouteDefinition(
+    RouteDefinition(
       routePath: jobsRoutePath,
       component: feed.FeedComponentNgFactory,
     ),
-    new RouteDefinition.defer(
+    RouteDefinition.defer(
       routePath: itemRoutePath,
       loader: () {
         return item_detail.loadLibrary().then((_) {

examples/hacker_news_pwa/lib/hacker_news_service.dart

@@ -5,7 +5,7 @@ import 'dart:html';
 import 'package:angular/angular.dart';
 
 /// Represents the base URL for HTTP requests using [HackerNewsService].
-const baseUrl = const OpaqueToken<String>('baseUrl');
+const baseUrl = OpaqueToken<String>('baseUrl');
 
 const defaultBaseUrl = 'https://api.hnpwa.com/v0';
 
@@ -21,12 +21,12 @@ class HackerNewsService {
   Future<List<Map>> getFeed(String name, int page) {
     final url = '$_baseUrl/$name/$page.json';
     if (_cacheFeedKey == url) {
-      return new Future.value(_cacheFeedResult);
+      return Future.value(_cacheFeedResult);
     }
     return HttpRequest.getString(url).then((response) {
       final List<dynamic> decoded = JSON.decode(response);
       _cacheFeedKey = url;
-      return _cacheFeedResult = new List<Map>.from(decoded);
+      return _cacheFeedResult = List<Map>.from(decoded);
     });
   }
 

examples/hacker_news_pwa/lib/src/comment_component.dart

@@ -4,8 +4,8 @@ import 'package:angular/security.dart';
 @Component(
   selector: 'comment',
   templateUrl: 'comment_component.html',
-  styleUrls: const ['comment_component.css'],
-  directives: const [CommentComponent, NgFor, NgIf],
+  styleUrls: ['comment_component.css'],
+  directives: [CommentComponent, NgFor, NgIf],
   changeDetection: ChangeDetectionStrategy.OnPush,
 )
 class CommentComponent {

examples/hacker_news_pwa/lib/src/feed_component.dart

@@ -11,8 +11,8 @@ const itemsPerPage = 30;
 @Component(
   selector: 'feed',
   templateUrl: 'feed_component.html',
-  styleUrls: const ['feed_component.css'],
-  directives: const [ItemComponent, NgFor, NgIf, routerDirectives],
+  styleUrls: ['feed_component.css'],
+  directives: [ItemComponent, NgFor, NgIf, routerDirectives],
   encapsulation: ViewEncapsulation.None,
 )
 class FeedComponent implements OnActivate {

examples/hacker_news_pwa/lib/src/item_component.dart

@@ -6,8 +6,8 @@ import 'routes.dart';
 @Component(
   selector: 'item',
   templateUrl: 'item_component.html',
-  styleUrls: const ['item_component.css'],
-  directives: const [NgIf, RouterLink],
+  styleUrls: ['item_component.css'],
+  directives: [NgIf, RouterLink],
   changeDetection: ChangeDetectionStrategy.OnPush,
 )
 class ItemComponent {