dart-lang · kevmoo · Mar 20, 2018 · Mar 16, 2018 · Mar 18, 2018 · Mar 19, 2018
diff --git a/.gitignore b/.gitignore
@@ -1,8 +1,3 @@
-packages
-/*/build/
-.pub/
-pubspec.lock
-
-# Files generated by dart tools
 .dart_tool
-doc/
+.packages
+pubspec.lock
diff --git a/.travis.yml b/.travis.yml
@@ -0,0 +1,41 @@
+# Created with https://github.com/dart-lang/mono_repo
+language: dart
+
+jobs:
+  include:
+    - stage: analyzer_and_format
+      script: ./tool/travis.sh dartfmt
+      env: PKG="example"
+      dart: dev
+    - stage: analyzer_and_format
+      script: ./tool/travis.sh dartanalyzer
+      env: PKG="example"
+      dart: dev
+    - stage: unit_test
+      script: ./tool/travis.sh test
+      env: PKG="example"
+      dart: dev
+    - stage: analyzer_and_format
+      script: ./tool/travis.sh dartfmt
+      env: PKG="webdev"
+      dart: dev
+    - stage: analyzer_and_format
+      script: ./tool/travis.sh dartanalyzer
+      env: PKG="webdev"
+      dart: dev
+    - stage: unit_test
+      script: ./tool/travis.sh test
+      env: PKG="webdev"
+      dart: dev
+
+stages:
+  - analyzer_and_format
+  - unit_test
+
+# Only building master means that we don't run two builds for each pull request.
+branches:
+  only: [master]
+
+cache:
+  directories:
+    - $HOME/.pub-cache
diff --git a/example/.mono_repo.yml b/example/.mono_repo.yml
@@ -0,0 +1,10 @@
+# See https://github.com/dart-lang/mono_repo for details
+dart:
+  - dev
+
+stages:
+  - analyzer_and_format:
+    - dartfmt
+    - dartanalyzer: --fatal-infos --fatal-warnings .
+  - unit_test:
+    - test
diff --git a/webdev/example/lib/app_component.css → example/lib/app_component.css b/webdev/example/lib/app_component.css → example/lib/app_component.css
diff --git a/webdev/example/lib/app_component.dart → example/lib/app_component.dart b/webdev/example/lib/app_component.dart → example/lib/app_component.dart
@@ -1,3 +1,7 @@
+// Copyright (c) 2018, the Dart project authors.  Please see the AUTHORS file
+// for details. 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:angular/angular.dart';
 
 import 'src/hello_world/hello_world.dart';

diff --git a/webdev/example/lib/app_component.html → example/lib/app_component.html b/webdev/example/lib/app_component.html → example/lib/app_component.html
diff --git a/...ample/lib/src/hello_world/hello_world.css → example/lib/src/hello_world/hello_world.css b/...ample/lib/src/hello_world/hello_world.css → example/lib/src/hello_world/hello_world.css
diff --git a/example/lib/src/hello_world/hello_world.dart b/example/lib/src/hello_world/hello_world.dart
@@ -0,0 +1,14 @@
+// Copyright (c) 2018, the Dart project authors.  Please see the AUTHORS file
+// for details. 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:angular/angular.dart';
+
+@Component(
+  selector: 'hello-world',
+  styleUrls: const ['hello_world.css'],
+  templateUrl: 'hello_world.html',
+)
+class HelloWorldComponent {
+  // Nothing here.
+}
diff --git a/example/lib/src/hello_world/hello_world.html b/example/lib/src/hello_world/hello_world.html
@@ -0,0 +1 @@
+<div>Hello World</div>
diff --git a/example/pubspec.yaml b/example/pubspec.yaml
@@ -0,0 +1,12 @@
+name: webdev_example_app
+description: A web app example for webdev CLI.
+
+environment:
+  sdk: ">=2.0.0-dev.32.0 <2.0.0"
+
+dependencies:
+  angular: ^5.0.0-alpha+3
+
+dev_dependencies:
+  build_runner: ^0.8.0
+  build_web_compilers: ^0.3.4
diff --git a/webdev/example/web/index.html → example/web/index.html b/webdev/example/web/index.html → example/web/index.html
@@ -4,8 +4,7 @@
     <title>webdev example</title>
     <meta charset="utf-8">
     <meta name="viewport" content="width=device-width, initial-scale=1">
-    <script defer src="main.dart" type="application/dart"></script>
-    <script defer src="packages/browser/dart.js"></script>
+    <script defer src="main.dart.js"></script>
     <link rel="stylesheet" href="styles.css">
   </head>
   <body>

diff --git a/example/web/main.dart b/example/web/main.dart
@@ -0,0 +1,13 @@
+// Copyright (c) 2018, the Dart project authors.  Please see the AUTHORS file
+// for details. 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:angular/experimental.dart';
+
+// ignore: uri_has_not_been_generated
+import 'package:webdev_example_app/app_component.template.dart' as ng;
+
+main() {
+  // ignore: argument_type_not_assignable
+  bootstrapFactory(ng.AppComponentNgFactory);
+}
diff --git a/webdev/example/web/styles.css → example/web/styles.css b/webdev/example/web/styles.css → example/web/styles.css
diff --git a/tool/travis.sh b/tool/travis.sh
@@ -0,0 +1,45 @@
+#!/bin/bash
+# Created with https://github.com/dart-lang/mono_repo
+
+if [ -z "$PKG" ]; then
+  echo -e '\033[31mPKG environment variable must be set!\033[0m'
+  exit 1
+fi
+
+if [ "$#" == "0" ]; then
+  echo -e '\033[31mAt least one task argument must be provided!\033[0m'
+  exit 1
+fi
+
+pushd $PKG
+pub upgrade || exit $?
+
+EXIT_CODE=0
+
+while (( "$#" )); do
+  TASK=$1
+  case $TASK in
+  dartanalyzer) echo
+    echo -e '\033[1mTASK: dartanalyzer\033[22m'
+    echo -e 'dartanalyzer --fatal-infos --fatal-warnings .'
+    dartanalyzer --fatal-infos --fatal-warnings . || EXIT_CODE=$?
+    ;;
+  dartfmt) echo
+    echo -e '\033[1mTASK: dartfmt\033[22m'
+    echo -e 'dartfmt -n --set-exit-if-changed .'
+    dartfmt -n --set-exit-if-changed . || EXIT_CODE=$?
+    ;;
+  test) echo
+    echo -e '\033[1mTASK: test\033[22m'
+    echo -e 'pub run test'
+    pub run test || EXIT_CODE=$?
+    ;;
+  *) echo -e "\033[31mNot expecting TASK '${TASK}'. Error!\033[0m"
+    EXIT_CODE=1
+    ;;
+  esac
+
+  shift
+done
+
+exit $EXIT_CODE
diff --git a/webdev/.mono_repo.yml b/webdev/.mono_repo.yml
@@ -0,0 +1,10 @@
+# See https://github.com/dart-lang/mono_repo for details
+dart:
+  - dev
+
+stages:
+  - analyzer_and_format:
+    - dartfmt
+    - dartanalyzer: --fatal-infos --fatal-warnings .
+  - unit_test:
+    - test
diff --git a/webdev/bin/webdev.dart b/webdev/bin/webdev.dart
@@ -1,7 +1,22 @@
+// Copyright (c) 2018, the Dart project authors.  Please see the AUTHORS file
+// for details. 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 'dart:io';
 
-import 'package:webdev/webdev.dart';
+import 'package:args/command_runner.dart';
+import 'package:io/ansi.dart';
+import 'package:io/io.dart';
+import 'package:webdev/src/webdev_command_runner.dart';
 
 Future main(List<String> args) async {
-  await webdevCommandRunner().run(args);
+  try {
+    await webdevCommandRunner().run(args);
+  } on UsageException catch (e) {
+    print(yellow.wrap(e.message));
+    print(' ');
+    print(e.usage);
+    exitCode = ExitCode.usage.code;
+  }
 }
diff --git a/webdev/example/lib/src/hello_world/hello_world.dart b/webdev/example/lib/src/hello_world/hello_world.dart
diff --git a/webdev/example/lib/src/hello_world/hello_world.html b/webdev/example/lib/src/hello_world/hello_world.html
diff --git a/webdev/example/pubspec.yaml b/webdev/example/pubspec.yaml
diff --git a/webdev/example/web/main.dart b/webdev/example/web/main.dart
diff --git a/webdev/lib/src/command/build_command.dart b/webdev/lib/src/command/build_command.dart
@@ -1,6 +1,8 @@
-import 'dart:async';
-import 'dart:isolate';
+// Copyright (c) 2018, the Dart project authors.  Please see the AUTHORS file
+// for details. 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 'build_runner_command_base.dart';
 
 /// Command to execute pub run build_runner build.
@@ -12,12 +14,5 @@ class BuildCommand extends BuildRunnerCommandBase {
   final description = 'Run builders to build a package.';
 
   @override
-  Future run() async {
-    final arguments = ['build'];
-    arguments.addAll(argResults.arguments);
-    var exitPort = new ReceivePort();
-    await Isolate.spawnUri(await buildRunnerScript, arguments, null,
-        onExit: exitPort.sendPort, automaticPackageResolution: true);
-    await exitPort.first;
-  }
+  Future run() => runCore('build');
 }
diff --git a/webdev/lib/src/command/build_runner_command_base.dart b/webdev/lib/src/command/build_runner_command_base.dart
@@ -1,7 +1,13 @@
+// Copyright (c) 2018, the Dart project authors.  Please see the AUTHORS file
+// for details. 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 'dart:io';
+import 'dart:isolate';
 
 import 'package:args/command_runner.dart';
+import 'package:stack_trace/stack_trace.dart';
 
 /// Extend to get a command with the arguments common to all build_runner
 /// commands.
@@ -19,13 +25,97 @@ abstract class BuildRunnerCommandBase extends Command {
           help: 'Enables verbose logging.');
   }
 
-  Future<Uri> get buildRunnerScript async {
-    // TODO(nshahan) build_runner will expose this as a function call that will
-    // be imported to avoid running a binary in a transitive dependency with
-    // pub run.
-    final executable = 'pub';
-    final arguments = ['run', 'build_runner', 'generate-build-script'];
-    final results = await Process.run(executable, arguments);
-    return new Uri.file(results.stdout.toString().trim());
+  Future runCore(String command) async {
+    final arguments = [command]..addAll(argResults.arguments);
+
+    // Heavily inspired by dart-lang/build @ 0c77443dd7
+    // /build_runner/bin/build_runner.dart#L58-L85
+    var exitPort = new ReceivePort();
+    var errorPort = new ReceivePort();
+    var messagePort = new ReceivePort();
+    var errorListener = errorPort.listen((e) {
+      stderr.writeln('\n\nYou have hit a bug in build_runner');
+      stderr.writeln('Please file an issue with reproduction steps at '
+          'https://github.com/dart-lang/build/issues\n\n');
+      final error = e[0];
+      final trace = e[1] as String;
+      stderr.writeln(error);
+      stderr.writeln(new Trace.parse(trace).terse);
+      if (exitCode == 0) exitCode = 1;
+    });
+    await Isolate.spawnUri(
+        await _buildRunnerScript(), arguments, messagePort.sendPort,
+        onExit: exitPort.sendPort,
+        onError: errorPort.sendPort,
+        automaticPackageResolution: true);
+    StreamSubscription exitCodeListener;
+    exitCodeListener = messagePort.listen((isolateExitCode) {
+      if (isolateExitCode is! int) {
+        throw new StateError(
+            'Bad response from isolate, expected an exit code but got '
+            '$isolateExitCode');
+      }
+      exitCode = isolateExitCode as int;
+      exitCodeListener.cancel();
+      exitCodeListener = null;
+    });
+    await exitPort.first;
+    await errorListener.cancel();
+    await exitCodeListener?.cancel();
   }
 }
+
+Future<Uri> _buildRunnerScript() async {
+  var dataUri = new Uri.dataFromString(_bootstrapScript);
+
+  var messagePort = new ReceivePort();
+  var exitPort = new ReceivePort();
+  var errorPort = new ReceivePort();
+
+  await Isolate.spawnUri(dataUri, [], messagePort.sendPort,
+      onExit: exitPort.sendPort,
+      onError: errorPort.sendPort,
+      errorsAreFatal: true,
+      packageConfig: new Uri.file('.packages'));
+
+  var allErrorsFuture = errorPort.forEach((error) {
+    var errorList = error as List;
+    var message = errorList[0] as String;
+    var stack = new StackTrace.fromString(errorList[1] as String);
+
+    stderr.writeln(message);
+    stderr.writeln(stack);
+  });
+
+  var items = await Future.wait([
+    messagePort.toList(),
+    allErrorsFuture,
+    exitPort.first.whenComplete(() {
+      messagePort.close();
+      errorPort.close();
+    })
+  ]);
+
+  var messages = items[0] as List;
+  if (messages.isEmpty) {
+    throw new StateError('An error occurred while running booting.');
+  }
+
+  assert(messages.length == 1);
+  return new Uri.file(messages.single as String);
+}
+
+const _bootstrapScript = r'''
+import 'dart:io';
+import 'dart:isolate';
+
+import 'package:build_runner/build_script_generate.dart';
+import 'package:path/path.dart' as p;
+
+void main(List<String> args, [SendPort sendPort]) async {
+  var buildScript = await generateBuildScript();
+  var scriptFile = new File(scriptLocation)..createSync(recursive: true);
+  scriptFile.writeAsStringSync(buildScript);
+  sendPort.send(p.absolute(scriptLocation));  
+}
+''';