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

packages/compiler/src/ml_parser/interpolation_config.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 {assertInterpolationSymbols} from '../assertions';
+
+export class InterpolationConfig {
+  static fromArray(markers: [string, string]): InterpolationConfig {
+    if (!markers) {
+      return DEFAULT_INTERPOLATION_CONFIG;
+    }
+
+    assertInterpolationSymbols('interpolation', markers);
+    return new InterpolationConfig(markers[0], markers[1]);
+  }
+
+  constructor(public start: string, public end: string){};
+}
+
+export const DEFAULT_INTERPOLATION_CONFIG: InterpolationConfig =
+    new InterpolationConfig('{{', '}}');