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

packages/compiler/src/aot/compiler_host.ts

@@ -0,0 +1,30 @@
+/**
+ * @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 {StaticSymbolResolverHost} from './static_symbol_resolver';
+import {AotSummaryResolverHost} from './summary_resolver';
+
+/**
+ * The host of the AotCompiler disconnects the implementation from TypeScript / other language
+ * services and from underlying file systems.
+ */
+export interface AotCompilerHost extends StaticSymbolResolverHost, AotSummaryResolverHost {
+  /**
+   * Converts a file path to a module name that can be used as an `import.
+   * I.e. `path/to/importedFile.ts` should be imported by `path/to/containingFile.ts`.
+   *
+   * See ImportResolver.
+   */
+  fileNameToModuleName(importedFilePath: string, containingFilePath: string): string
+      /*|null*/;
+
+  /**
+   * Loads a resource (e.g. html / css)
+   */
+  loadResource(path: string): Promise<string>;
+}