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

packages/language-service/src/definitions.ts

@@ -0,0 +1,16 @@
+/**
+ * @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 {TemplateInfo} from './common';
+import {locateSymbol} from './locate_symbol';
+import {Definition} from './types';
+
+export function getDefinition(info: TemplateInfo): Definition {
+  const result = locateSymbol(info);
+  return result && result.symbol.definition;
+}