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

packages/platform-browser-dynamic/testing/src/dom_test_component_renderer.ts

@@ -0,0 +1,31 @@
+/**
+ * @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 {Inject, Injectable} from '@angular/core';
+import {TestComponentRenderer} from '@angular/core/testing';
+import {DOCUMENT, ɵgetDOM as getDOM} from '@angular/platform-browser';
+
+/**
+ * A DOM based implementation of the TestComponentRenderer.
+ */
+@Injectable()
+export class DOMTestComponentRenderer extends TestComponentRenderer {
+  constructor(@Inject(DOCUMENT) private _doc: any /** TODO #9100 */) { super(); }
+
+  insertRootElement(rootElId: string) {
+    const rootEl = <HTMLElement>getDOM().firstChild(
+        getDOM().content(getDOM().createTemplate(`<div id="${rootElId}"></div>`)));
+
+    // TODO(juliemr): can/should this be optional?
+    const oldRoots = getDOM().querySelectorAll(this._doc, '[id^=root]');
+    for (let i = 0; i < oldRoots.length; i++) {
+      getDOM().remove(oldRoots[i]);
+    }
+    getDOM().appendChild(this._doc.body, rootEl);
+  }
+}