refactor(tsc-wrapped): move tsc-wrapped to the packages directory (#18160)

packages/tsc-wrapped/test/index_writer_spec.ts

@@ -0,0 +1,25 @@
+/**
+ * @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 {MetadataBundler} from '../src/bundler';
+import {MetadataCollector} from '../src/collector';
+import {privateEntriesToIndex} from '../src/index_writer';
+
+import {MockStringBundlerHost, SIMPLE_LIBRARY} from './bundler_spec';
+
+describe('index_writer', () => {
+  it('should be able to write the index of a simple library', () => {
+    const host = new MockStringBundlerHost('/', SIMPLE_LIBRARY);
+    const bundler = new MetadataBundler('/lib/index', undefined, host);
+    const bundle = bundler.getMetadataBundle();
+    const result = privateEntriesToIndex('./index', bundle.privates);
+    expect(result).toContain(`export * from './index';`);
+    expect(result).toContain(`export {PrivateOne as ɵa} from './src/one';`);
+    expect(result).toContain(`export {PrivateTwo as ɵb} from './src/two/index';`);
+  });
+});