91 lines
2.5 KiB
TypeScript
91 lines
2.5 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 {APP_BOOTSTRAP_LISTENER, ApplicationRef, ComponentRef, InjectionToken} 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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* @whatItDoes Creates an initializer that in addition to setting up the Angular
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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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* @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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const router = ngUpgrade.injector.get(Router);
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const ref = ngUpgrade.injector.get(ApplicationRef);
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(router as any).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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setUpLocationSync(ngUpgrade);
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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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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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}
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