Felt analyze

lib/web_ui/dev/analyze.dart

@@ -0,0 +1,67 @@
+// Copyright 2013 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:async';
+
+import 'package:args/command_runner.dart';
+
+import 'environment.dart';
+import 'pipeline.dart';
+import 'utils.dart';
+
+class AnalyzeCommand extends Command<bool> with ArgUtils<bool> {
+  @override
+  String get name => 'analyze';
+
+  @override
+  String get description => 'Analyze the Flutter web engine.';
+
+  @override
+  FutureOr<bool> run() async {
+    final Pipeline buildPipeline = Pipeline(steps: <PipelineStep>[
+      PubGetStep(),
+      AnalyzeStep(),
+    ]);
+    await buildPipeline.run();
+    return true;
+  }
+}
+
+/// Runs `dart pub get`.
+class PubGetStep extends ProcessStep {
+  @override
+  String get description => 'pub get';
+
+  @override
+  bool get isSafeToInterrupt => true;
+
+  @override
+  Future<ProcessManager> createProcess() {
+    print('Running `dart pub get`...');
+    return startProcess(
+      environment.dartExecutable,
+      <String>['pub', 'get'],
+      workingDirectory: environment.webUiRootDir.path,
+    );
+  }
+}
+
+/// Runs `dart analyze --fatal-infos`.
+class AnalyzeStep extends ProcessStep {
+  @override
+  String get description => 'analyze';
+
+  @override
+  bool get isSafeToInterrupt => true;
+
+  @override
+  Future<ProcessManager> createProcess() {
+    print('Running `dart analyze`...');
+    return startProcess(
+      environment.dartExecutable,
+      <String>['analyze', '--fatal-infos'],
+      workingDirectory: environment.webUiRootDir.path,
+    );
+  }
+}

lib/web_ui/dev/felt.dart

@@ -6,6 +6,7 @@ import 'dart:io' as io;
 
 import 'package:args/command_runner.dart';
 
+import 'analyze.dart';
 import 'build.dart';
 import 'clean.dart';
 import 'exceptions.dart';
@@ -19,6 +20,7 @@ CommandRunner<bool> runner = CommandRunner<bool>(
   'felt',
   'Command-line utility for building and testing Flutter web engine.',
 )
+  ..addCommand(AnalyzeCommand())
   ..addCommand(BuildCommand())
   ..addCommand(CleanCommand())
   ..addCommand(GenerateFallbackFontDataCommand())