From c0b04ca0bc762bc925434a8762eee74ce999e57e Mon Sep 17 00:00:00 2001
From: Rob Wormald <rob@jiff.com>
Date: Mon, 23 Mar 2015 13:18:05 -0700
Subject: [PATCH] feat(gulp): adds System.register bundle task.

---
 .gitignore            |  3 ++
 gulpfile.js           | 70 ++++++++++++++++++++++++++++++++++++++++++-
 package.json          |  2 ++
 tools/build/bundle.js |  7 +++++
 4 files changed, 81 insertions(+), 1 deletion(-)
 create mode 100644 tools/build/bundle.js

diff --git a/.gitignore b/.gitignore
index f1a5dab0c2..16a2b265a8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -26,4 +26,7 @@ pubspec.lock
 # Don't check in secret files
 *secret.js
 
+# Ignore npm debug log
+npm-debug.log
+
 /docs/bower_components/
diff --git a/gulpfile.js b/gulpfile.js
index 571c27761a..05a1794bff 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -29,9 +29,13 @@ var transformCJSTests = require('./tools/build/transformCJSTests');
 var tsc = require('gulp-typescript');
 var ts2dart = require('gulp-ts2dart');
 var util = require('./tools/build/util');
+var bundler = require('./tools/build/bundle');
+var concat = require('gulp-concat');
 
 // Note: when DART_SDK is not found, all gulp tasks ending with `.dart` will be skipped.
+
 var DART_SDK = require('./tools/build/dartdetect')(gulp);
+
 // -----------------------
 // configuration
 
@@ -787,7 +791,71 @@ gulp.task('build.js.cjs', function(done) {
   );
 });
 
-gulp.task('build.js', ['build.js.dev', 'build.js.prod', 'build.js.cjs']);
+var bundleConfig = {
+  paths: {
+    "*": "dist/js/prod/es6/*.es6",
+    "rx/*": "node_modules/rx/*.js"
+  }
+};
+
+// production build
+gulp.task('bundle.js.prod', ['build.js.prod'], function() {
+  return bundler.bundle(
+    bundleConfig,
+    'angular2/angular2',
+    './dist/build/angular2.js',
+    {
+      sourceMaps: true
+    });
+});
+
+gulp.task('bundle.js.prod.deps', ['bundle.js.prod'], function() {
+  return gulp.src(['node_modules/zone.js/zone.js', 'dist/build/angular2.js'])
+    .pipe(concat('angular2.js'))
+    .pipe(gulp.dest('dist/bundle'));
+});
+
+// minified production build
+// TODO: minify zone.js?
+gulp.task('bundle.js.min', ['build.js.prod'], function() {
+  return bundler.bundle(
+    bundleConfig,
+    'angular2/angular2',
+    './dist/build/angular2.min.js',
+    {
+      sourceMaps: true,
+      minify: true
+    });
+});
+
+gulp.task('bundle.js.min.deps', ['bundle.js.min'], function() {
+  return gulp.src(['node_modules/zone.js/zone.js', 'dist/build/angular2.min.js'])
+    .pipe(concat('angular2.min.js'))
+    .pipe(gulp.dest('dist/bundle'));
+});
+
+// development build
+gulp.task('bundle.js.dev', ['build.js.dev'], function() {
+  return bundler.bundle(
+    merge(true, bundleConfig, {
+     "*": "dist/js/dev/es6/*.es6"
+    }),
+    'angular2/angular2',
+    './dist/build/angular2.dev.js',
+    {
+      sourceMaps: true
+    });
+});
+
+gulp.task('bundle.js.dev.deps', ['bundle.js.dev'], function() {
+  return gulp.src(['node_modules/zone.js/zone.js', 'dist/build/angular2.dev.js'])
+    .pipe(concat('angular2.dev.js'))
+    .pipe(gulp.dest('dist/bundle'));
+});
+
+gulp.task('build.js', ['build.js.dev', 'build.js.prod', 'build.js.cjs', 'bundle.js.deps']);
+
+gulp.task('bundle.js.deps', ['bundle.js.prod.deps', 'bundle.js.dev.deps', 'bundle.js.min.deps']);
 
 gulp.task('clean', ['build/clean.js', 'build/clean.dart', 'build/clean.docs']);
 
diff --git a/package.json b/package.json
index a2d36ce8ba..c721ea8236 100644
--- a/package.json
+++ b/package.json
@@ -48,6 +48,7 @@
     "glob": "^4.0.6",
     "gulp": "^3.8.8",
     "gulp-changed": "^1.0.0",
+    "gulp-concat": "^2.5.2",
     "gulp-connect": "~1.0.5",
     "gulp-jasmine": "^1.0.1",
     "gulp-load-plugins": "^0.7.1",
@@ -76,6 +77,7 @@
     "run-sequence": "^0.3.6",
     "source-map": "^0.3.0",
     "sprintf-js": "1.0.*",
+    "systemjs-builder": "^0.10.3",
     "temp": "^0.8.1",
     "ternary-stream": "^1.2.3",
     "through2": "^0.6.1",
diff --git a/tools/build/bundle.js b/tools/build/bundle.js
new file mode 100644
index 0000000000..5616efca67
--- /dev/null
+++ b/tools/build/bundle.js
@@ -0,0 +1,7 @@
+module.exports.bundle = function(buildConfig, moduleName, outputFile, outputConfig){
+  // loading it earlier interfers with custom traceur.
+  var Builder = require('systemjs-builder');
+  var builder = new Builder();
+  builder.config(buildConfig);
+  return builder.build(moduleName, outputFile, outputConfig);
+}