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

packages/compiler-cli/src/extract_i18n.ts

@@ -0,0 +1,41 @@
+#!/usr/bin/env node
+/**
+ * @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
+ */
+
+
+/**
+ * Extract i18n messages from source code
+ */
+// Must be imported first, because angular2 decorators throws on load.
+import 'reflect-metadata';
+
+import * as tsc from '@angular/tsc-wrapped';
+import * as ts from 'typescript';
+
+import {Extractor} from './extractor';
+
+function extract(
+    ngOptions: tsc.AngularCompilerOptions, cliOptions: tsc.I18nExtractionCliOptions,
+    program: ts.Program, host: ts.CompilerHost): Promise<void> {
+  return Extractor.create(ngOptions, program, host, cliOptions.locale)
+      .extract(cliOptions.i18nFormat, cliOptions.outFile);
+}
+
+// Entry point
+if (require.main === module) {
+  const args = require('minimist')(process.argv.slice(2));
+  const project = args.p || args.project || '.';
+  const cliOptions = new tsc.I18nExtractionCliOptions(args);
+  tsc.main(project, cliOptions, extract, {noEmit: true})
+      .then((exitCode: any) => process.exit(exitCode))
+      .catch((e: any) => {
+        console.error(e.stack);
+        console.error('Extraction failed');
+        process.exit(1);
+      });
+}