refactor: move angular source to /packages rather than modules/@angular

packages/examples/compiler/ts/url_resolver/url_resolver.ts

@@ -0,0 +1,38 @@
+/**
+ * @license
+ * Copyright Google Inc. All Rights Reserved.
+ *
+ * Use of this source code is governed by an MIT-style license that can be
+ * found in the LICENSE file at https://angular.io/license
+ */
+
+import {UrlResolver} from '@angular/compiler';
+import {NgModule} from '@angular/core';
+import {BrowserModule} from '@angular/platform-browser';
+import {platformBrowserDynamic} from '@angular/platform-browser-dynamic';
+
+let MyApp: any;
+
+// #docregion url_resolver
+class MyUrlResolver extends UrlResolver {
+  resolve(baseUrl: string, url: string): string {
+    // Serve CSS files from a special CDN.
+    if (url.substr(-4) === '.css') {
+      return super.resolve('http://cdn.myapp.com/css/', url);
+    }
+    return super.resolve(baseUrl, url);
+  }
+}
+
+@NgModule({
+  imports: [BrowserModule],
+  providers: [{provide: UrlResolver, useClass: MyUrlResolver}],
+  bootstrap: [MyApp]
+})
+class AppModule {
+}
+
+export function main() {
+  platformBrowserDynamic().bootstrapModule(AppModule);
+}
+// #enddocregion