47 lines
1.7 KiB
TypeScript
47 lines
1.7 KiB
TypeScript
/**
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* @license
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* Copyright Google Inc. All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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import {Compiler, ComponentFactoryResolver, Injector, NgModuleFactory, NgModuleFactoryLoader, OpaqueToken} from '@angular/core';
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import {Observable} from 'rxjs/Observable';
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import {fromPromise} from 'rxjs/observable/fromPromise';
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import {of } from 'rxjs/observable/of';
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import {LoadChildren, Route} from './config';
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import {flatten, wrapIntoObservable} from './utils/collection';
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export const ROUTES = new OpaqueToken('ROUTES');
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export class LoadedRouterConfig {
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constructor(
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public routes: Route[], public injector: Injector,
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public factoryResolver: ComponentFactoryResolver) {}
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}
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export class RouterConfigLoader {
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constructor(private loader: NgModuleFactoryLoader, private compiler: Compiler) {}
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load(parentInjector: Injector, loadChildren: LoadChildren): Observable<LoadedRouterConfig> {
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return this.loadModuleFactory(loadChildren).map(r => {
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const ref = r.create(parentInjector);
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return new LoadedRouterConfig(
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flatten(ref.injector.get(ROUTES)), ref.injector, ref.componentFactoryResolver);
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});
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}
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private loadModuleFactory(loadChildren: LoadChildren): Observable<NgModuleFactory<any>> {
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if (typeof loadChildren === 'string') {
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return fromPromise(this.loader.load(loadChildren));
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} else {
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const offlineMode = this.compiler instanceof Compiler;
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return wrapIntoObservable(loadChildren())
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.mergeMap(
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t => offlineMode ? of (<any>t) : fromPromise(this.compiler.compileModuleAsync(t)));
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}
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}
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} |