Enables codegen support in polymer

pkg/polymer/lib/deploy.dart

 // Copyright (c) 2013, 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.
 
 /// **Note**: If you already have a `build.dart` in your application, we
 /// recommend to use the `package:polymer/builder.dart` library instead.
 
 /// Temporary deploy command used to create a version of the app that can be
 /// compiled with dart2js and deployed. Following pub layout conventions, this
 /// script will treat any HTML file under a package 'web/' and 'test/'
 /// directories as entry points.
 ///
 /// From an application package you can run deploy by creating a small program
 /// as follows:
 ///
 ///    import "package:polymer/deploy.dart" as deploy;
 ///    main() => deploy.main();
 ///
 /// This library should go away once `pub deploy` can be configured to run
 /// barback transformers.
 library polymer.deploy;
 
 import 'dart:io';
 
 import 'package:args/args.dart';
 import 'package:path/path.dart' as path;
 import 'src/build/common.dart' show TransformOptions, phasesForPolymer;
 import 'src/build/runner.dart';
 import 'transformer.dart';

[Jennifer Messerly, 2014/03/27 02:20:32]

move up by other package: imports?

[Siggi Cherem (dart-lang), 2014/03/28 01:04:26]

Done.

+import 'package:code_transformers/tests.dart' show testingDartSdkDirectory;
 
 main(List<String> arguments) {
   var args = _parseArgs(arguments);
   if (args == null) exit(1);
 
   var test = args['test'];
   var outDir = args['out'];
 
   var options;
   if (test == null) {
@@ skipping 13 matching lines @@
   if (options == null) exit(1);
 
   print('polymer/deploy.dart: creating a deploy target for '
       '"${options.currentPackage}"');
 
   runBarback(options)
       .then((_) => print('Done! All files written to "$outDir"'))
       .catchError(_reportErrorAndExit);
 }
 
-createDeployPhases(options) => new PolymerTransformerGroup(options).phases;
-
 BarbackOptions _createTestOptions(String testFile, String outDir,

[Jennifer Messerly, 2014/03/27 02:20:32]

off topic, but I wonder how long until we can use "pub build" or "pub serve"
instead of _createTestOptions...

[Siggi Cherem (dart-lang), 2014/03/28 01:04:26]

not clear yet. There is still a lot of work to be done in the test
infrastructure before we are there.

     bool directlyIncludeJS, bool contentSecurityPolicy, bool releaseMode) {
 
   var testDir = path.normalize(path.dirname(testFile));
 
   // A test must be allowed to import things in the package.
   // So we must find its package root, given the entry point. We can do this
   // by walking up to find pubspec.yaml.
   var pubspecDir = _findDirWithFile(path.absolute(testDir), 'pubspec.yaml');
   if (pubspecDir == null) {
     print('error: pubspec.yaml file not found, please run this script from '
         'your package root directory or a subdirectory.');
     return null;
   }
   var packageName = readCurrentPackageFromPubspec(pubspecDir);
 
-  // Find the dart-root so we can include both polymer and smoke as additional
-  // packages whose transformers we need to run.
+  // Find the dart-root so we can include all package dependencies and
+  // transformers from other packages.
   var pkgDir = path.join(_findDirWithDir(path.absolute(testDir), 'pkg'), 'pkg');
 
   var phases = createDeployPhases(new TransformOptions(
       entryPoints: [path.relative(testFile, from: pubspecDir)],
       directlyIncludeJS: directlyIncludeJS,
       contentSecurityPolicy: contentSecurityPolicy,
       releaseMode: releaseMode,
-      lint: false));
+      lint: false), sdkDir: testingDartSdkDirectory);
+  var dirs = {};
+  // Note: we include all packages in pkg/ to keep things simple. Ideally this
+  // should be restricted to the transitive dependencies of this package.
+  _subDirs(pkgDir).forEach((p) { dirs[path.basename(p)] = p; });
+  // Note: packageName may be a duplicate of 'polymer', but that's ok (they
+  // should be the same value).
+  dirs[packageName]= pubspecDir;
   return new BarbackOptions(phases, outDir,
       currentPackage: packageName,
-      packageDirs: {
-        'polymer': path.join(pkgDir, 'polymer'),
-        'smoke': path.join(pkgDir, 'smoke'),
-        // packageName may be a duplicate of 'polymer', but that's ok, the
-        // following will be the value used in the map (they should also be the
-        // same value).
-        packageName: pubspecDir,
-      },
+      packageDirs: dirs,
       // TODO(sigmund): include here also smoke transformer when it's on by
       // default.
       packagePhases: {'polymer': phasesForPolymer},
       transformTests: true);
 }
 
 String _findDirWithFile(String dir, String filename) {
   while (!new File(path.join(dir, filename)).existsSync()) {
     var parentDir = path.dirname(dir);
     // If we reached root and failed to find it, bail.
     if (parentDir == dir) return null;
     dir = parentDir;
   }
   return dir;
 }
 
 String _findDirWithDir(String dir, String subdir) {
   while (!new Directory(path.join(dir, subdir)).existsSync()) {
     var parentDir = path.dirname(dir);
     // If we reached root and failed to find it, bail.
     if (parentDir == dir) return null;
     dir = parentDir;
   }
   return dir;
 }
 
+List<String> _subDirs(String dir) =>
+    new Directory(dir).listSync(recursive: false, followLinks: false)

[Jennifer Messerly, 2014/03/27 02:20:32]

fyi -- recursive: false is the default:
https://api.dartlang.org/apidocs/channels/stable/#dart-io.Directory@id_listSync

[Siggi Cherem (dart-lang), 2014/03/28 01:04:26]

thx, done

+      .where((d) => d is Directory).map((d) => d.path).toList();
+
+
 void _reportErrorAndExit(e, trace) {
   print('Uncaught error: $e');
   if (trace != null) print(trace);
   exit(1);
 }
 
 ArgResults _parseArgs(arguments) {
   var parser = new ArgParser()
       ..addFlag('help', abbr: 'h', help: 'Displays this help message.',
           defaultsTo: false, negatable: false)
@@ skipping 25 matching lines @@
     _showUsage(parser);
     return null;
   }
 }
 
 _showUsage(parser) {
   print('Usage: dart --package-root=packages/ '
       'package:polymer/deploy.dart [options]');
   print(parser.getUsage());
 }