89 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			89 lines
		
	
	
		
			2.4 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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| 
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| import {APP_BOOTSTRAP_LISTENER, ApplicationRef, OpaqueToken} from '@angular/core';
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| import {ExtraOptions, ROUTER_CONFIGURATION, ROUTER_INITIALIZER, Router, RouterPreloader} from '@angular/router';
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| import {UpgradeModule} from '@angular/upgrade/static';
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| 
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| 
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| /**
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|  * @whatItDoes Creates an initializer that in addition to setting up the Angular 2
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|  * router sets up the ngRoute integration.
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|  *
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|  * @howToUse
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|  *
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|  * ```
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|  * @NgModule({
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|  *  imports: [
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|  *   RouterModule.forRoot(SOME_ROUTES),
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|  *   UpgradeModule
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|  * ],
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|  * providers: [
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|  *   RouterUpgradeInitializer
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|  * ]
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|  * })
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|  * export class AppModule {
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|  *   ngDoBootstrap() {}
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|  * }
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|  * ```
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|  *
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|  * @experimental
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|  */
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| export const RouterUpgradeInitializer = {
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|   provide: ROUTER_INITIALIZER,
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|   useFactory: initialRouterNavigation,
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|   deps: [UpgradeModule, ApplicationRef, RouterPreloader, ROUTER_CONFIGURATION]
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| };
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| 
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| /**
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|  * @internal
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|  */
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| export function initialRouterNavigation(
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|     ngUpgrade: UpgradeModule, ref: ApplicationRef, preloader: RouterPreloader,
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|     opts: ExtraOptions): Function {
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|   return () => {
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|     if (!ngUpgrade.$injector) {
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|       throw new Error(`
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|         RouterUpgradeInitializer can be used only after UpgradeModule.bootstrap has been called.
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|         Remove RouterUpgradeInitializer and call setUpLocationSync after UpgradeModule.bootstrap.
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|       `);
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|     }
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| 
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|     const router = ngUpgrade.injector.get(Router);
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|     const ref = ngUpgrade.injector.get(ApplicationRef);
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| 
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|     router.resetRootComponentType(ref.componentTypes[0]);
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|     preloader.setUpPreloading();
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|     if (opts.initialNavigation === false) {
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|       router.setUpLocationChangeListener();
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|     } else {
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|       router.initialNavigation();
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|     }
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| 
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|     setUpLocationSync(ngUpgrade);
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|   };
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| }
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| 
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| /**
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|  * @whatItDoes Sets up a location synchronization.
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|  *
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|  * History.pushState does not fire onPopState, so the angular2 location
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|  * doesn't detect it. The workaround is to attach a location change listener
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|  *
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|  * @experimental
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|  */
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| export function setUpLocationSync(ngUpgrade: UpgradeModule): void {
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|   const router: Router = ngUpgrade.injector.get(Router);
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|   const url = document.createElement('a');
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| 
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|   ngUpgrade.$injector.get('$rootScope')
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|       .$on('$locationChangeStart', (_: any, next: string, __: string) => {
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|         url.href = next;
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|         router.navigateByUrl(url.pathname);
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|       });
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| } |