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

packages/compiler-cli/src/ngtools_api.ts

@@ -0,0 +1,153 @@
+/**
+ * @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
+ */
+
+/**
+ * This is a private API for the ngtools toolkit.
+ *
+ * This API should be stable for NG 2. It can be removed in NG 4..., but should be replaced by
+ * something else.
+ */
+
+import {AotCompilerHost, AotSummaryResolver, StaticReflector, StaticSymbolCache, StaticSymbolResolver} from '@angular/compiler';
+import {AngularCompilerOptions, NgcCliOptions} from '@angular/tsc-wrapped';
+import * as ts from 'typescript';
+
+import {CodeGenerator} from './codegen';
+import {CompilerHost, CompilerHostContext, ModuleResolutionHostAdapter} from './compiler_host';
+import {Extractor} from './extractor';
+import {listLazyRoutesOfModule} from './ngtools_impl';
+import {PathMappedCompilerHost} from './path_mapped_compiler_host';
+
+export interface NgTools_InternalApi_NG2_CodeGen_Options {
+  basePath: string;
+  compilerOptions: ts.CompilerOptions;
+  program: ts.Program;
+  host: ts.CompilerHost;
+
+  angularCompilerOptions: AngularCompilerOptions;
+
+  // i18n options.
+  i18nFormat: string;
+  i18nFile: string;
+  locale: string;
+
+  readResource: (fileName: string) => Promise<string>;
+
+  // Every new property under this line should be optional.
+}
+
+export interface NgTools_InternalApi_NG2_ListLazyRoutes_Options {
+  program: ts.Program;
+  host: ts.CompilerHost;
+  angularCompilerOptions: AngularCompilerOptions;
+  entryModule: string;
+
+  // Every new property under this line should be optional.
+}
+
+export interface NgTools_InternalApi_NG_2_LazyRouteMap { [route: string]: string; }
+
+export interface NgTools_InternalApi_NG2_ExtractI18n_Options {
+  basePath: string;
+  compilerOptions: ts.CompilerOptions;
+  program: ts.Program;
+  host: ts.CompilerHost;
+  angularCompilerOptions: AngularCompilerOptions;
+  i18nFormat: string;
+  readResource: (fileName: string) => Promise<string>;
+  // Every new property under this line should be optional.
+  locale?: string;
+  outFile?: string;
+}
+
+/**
+ * A ModuleResolutionHostAdapter that overrides the readResource() method with the one
+ * passed in the interface.
+ */
+class CustomLoaderModuleResolutionHostAdapter extends ModuleResolutionHostAdapter {
+  constructor(
+      private _readResource: (path: string) => Promise<string>, host: ts.ModuleResolutionHost) {
+    super(host);
+  }
+
+  readResource(path: string) { return this._readResource(path); }
+}
+
+
+/**
+ * @internal
+ * @private
+ */
+export class NgTools_InternalApi_NG_2 {
+  /**
+   * @internal
+   * @private
+   */
+  static codeGen(options: NgTools_InternalApi_NG2_CodeGen_Options): Promise<void> {
+    const hostContext: CompilerHostContext =
+        new CustomLoaderModuleResolutionHostAdapter(options.readResource, options.host);
+    const cliOptions: NgcCliOptions = {
+      i18nFormat: options.i18nFormat,
+      i18nFile: options.i18nFile,
+      locale: options.locale,
+      basePath: options.basePath
+    };
+
+    // Create the Code Generator.
+    const codeGenerator = CodeGenerator.create(
+        options.angularCompilerOptions, cliOptions, options.program, options.host, hostContext);
+
+    return codeGenerator.codegen();
+  }
+
+  /**
+   * @internal
+   * @private
+   */
+  static listLazyRoutes(options: NgTools_InternalApi_NG2_ListLazyRoutes_Options):
+      NgTools_InternalApi_NG_2_LazyRouteMap {
+    const angularCompilerOptions = options.angularCompilerOptions;
+    const program = options.program;
+
+    const moduleResolutionHost = new ModuleResolutionHostAdapter(options.host);
+    const usePathMapping =
+        !!angularCompilerOptions.rootDirs && angularCompilerOptions.rootDirs.length > 0;
+    const ngCompilerHost: AotCompilerHost = usePathMapping ?
+        new PathMappedCompilerHost(program, angularCompilerOptions, moduleResolutionHost) :
+        new CompilerHost(program, angularCompilerOptions, moduleResolutionHost);
+
+    const symbolCache = new StaticSymbolCache();
+    const summaryResolver = new AotSummaryResolver(ngCompilerHost, symbolCache);
+    const symbolResolver = new StaticSymbolResolver(ngCompilerHost, symbolCache, summaryResolver);
+    const staticReflector = new StaticReflector(symbolResolver);
+    const routeMap = listLazyRoutesOfModule(options.entryModule, ngCompilerHost, staticReflector);
+
+    return Object.keys(routeMap).reduce(
+        (acc: NgTools_InternalApi_NG_2_LazyRouteMap, route: string) => {
+          acc[route] = routeMap[route].absoluteFilePath;
+          return acc;
+        },
+        {});
+  }
+
+  /**
+   * @internal
+   * @private
+   */
+  static extractI18n(options: NgTools_InternalApi_NG2_ExtractI18n_Options): Promise<void> {
+    const hostContext: CompilerHostContext =
+        new CustomLoaderModuleResolutionHostAdapter(options.readResource, options.host);
+
+    // Create the i18n extractor.
+    const locale = options.locale || null;
+    const extractor = Extractor.create(
+        options.angularCompilerOptions, options.program, options.host, locale, hostContext);
+
+    return extractor.extract(options.i18nFormat, options.outFile || null);
+  }
+}