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/**
* @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;
missingTranslation?: 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 !,
missingTranslation: options.missingTranslation !,
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(summaryResolver, 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);
}
}