refactor(router): update test based on router quick-cancelling ongoing navigations (#25740)
PR Close #25740
This commit is contained in:
Jason Aden
Kara Erickson
parent
c634176035
commit
12ccf57340
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@ -1,23 +0,0 @@
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/**
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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 {EMPTY, MonoTypeOperatorFunction, Observable, of } from 'rxjs';
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import {mergeMap} from 'rxjs/operators';
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export function mergeMapIf<T>(
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predicate: (value: T) => boolean, tap: (value: T) => any): MonoTypeOperatorFunction<T> {
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return (source: Observable<T>) => {
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return source.pipe(mergeMap(s => {
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if (predicate(s)) {
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tap(s);
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return EMPTY;
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}
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return of (s);
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}));
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};
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}
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@ -11,8 +11,8 @@ import {map, mergeMap} from 'rxjs/operators';
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import {NavigationTransition} from '../router';
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export function resolveData(
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paramsInheritanceStrategy: 'emptyOnly' | 'always'): MonoTypeOperatorFunction<NavigationTransition> {
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export function resolveData(paramsInheritanceStrategy: 'emptyOnly' | 'always'):
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MonoTypeOperatorFunction<NavigationTransition> {
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return function(source: Observable<NavigationTransition>) {
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return source.pipe(mergeMap(t => {
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if (!t.preActivation) {
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@ -1,26 +0,0 @@
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/**
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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 {MonoTypeOperatorFunction, Observable} from 'rxjs';
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import {tap} from 'rxjs/operators';
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export function throwIf<T>(
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predicate: (value: T) => boolean,
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errorFactory: (() => any) = defaultErrorFactory): MonoTypeOperatorFunction<T> {
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return (source: Observable<T>) => {
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return source.pipe(tap(s => {
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if (predicate(s)) {
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throw errorFactory();
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}
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}));
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};
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}
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function defaultErrorFactory() {
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return new Error();
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}
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@ -19,7 +19,6 @@ import {afterPreactivation} from './operators/after_preactivation';
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import {applyRedirects} from './operators/apply_redirects';
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import {beforePreactivation} from './operators/before_preactivation';
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import {checkGuards} from './operators/check_guards';
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import {mergeMapIf} from './operators/mergeMapIf';
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import {recognize} from './operators/recognize';
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import {resolveData} from './operators/resolve_data';
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import {PreActivation} from './pre_activation';
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@ -30,7 +29,6 @@ import {ActivatedRoute, ActivatedRouteSnapshot, RouterState, RouterStateSnapshot
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import {Params, isNavigationCancelingError} from './shared';
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import {DefaultUrlHandlingStrategy, UrlHandlingStrategy} from './url_handling_strategy';
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import {UrlSerializer, UrlTree, containsTree, createEmptyUrlTree} from './url_tree';
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import {assertDefined} from './utils/assert';
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import {forEach} from './utils/collection';
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import {TreeNode, nodeChildrenAsMap} from './utils/tree';
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@ -370,179 +368,184 @@ export class Router {
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this.processNavigations();
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}
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// clang-format off
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private setupNavigations(transitions: Observable<NavigationTransition>):
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Observable<NavigationTransition> {
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return transitions.pipe(
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filter(t => t.id !== 0), mergeMap(t => Promise.resolve(t)),
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// Extract URL
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map(t => ({
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...t, //
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extractedUrl: this.urlHandlingStrategy.extract(t.rawUrl), //
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} as NavigationTransition)),
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filter(t => t.id !== 0), mergeMap(t => Promise.resolve(t)),
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// Using switchMap so we cancel executing navigations when a new one comes in
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switchMap(t => {
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let completed = false;
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let errored = false;
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return of (t).pipe(
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// Extract URL
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map(t => ({
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...t,
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extractedUrl: this.urlHandlingStrategy.extract(t.rawUrl)} as NavigationTransition)),
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// Using switchMap so we cancel executing navigations when a new one comes in
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switchMap(t => {
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let completed = false;
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let errored = false;
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return of (t).pipe(mergeMap(t => {
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const urlTransition = !this.navigated ||
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t.extractedUrl.toString() !== this.currentUrlTree.toString();
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if ((this.onSameUrlNavigation === 'reload' ? true : urlTransition) &&
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this.urlHandlingStrategy.shouldProcessUrl(t.rawUrl)) {
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return of (t).pipe(
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// Update URL if in `eager` update mode
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tap(t => this.urlUpdateStrategy === 'eager' && !t.extras.skipLocationChange &&
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this.setBrowserUrl(t.rawUrl, !!t.extras.replaceUrl, t.id)),
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// Fire NavigationStart event
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mergeMap(t => {
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const urlTransition =
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!this.navigated || t.extractedUrl.toString() !== this.currentUrlTree.toString();
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if ((this.onSameUrlNavigation === 'reload' ? true : urlTransition) &&
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this.urlHandlingStrategy.shouldProcessUrl(t.rawUrl)) {
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return of (t).pipe(
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// Update URL if in `eager` update mode
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tap(t => this.urlUpdateStrategy === 'eager' && !t.extras.skipLocationChange &&
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this.setBrowserUrl(t.rawUrl, !!t.extras.replaceUrl, t.id)),
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// Fire NavigationStart event
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mergeMap(t => {
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const transition = this.transitions.getValue();
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(this.events as Subject<Event>)
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.next(new NavigationStart(
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t.id, this.serializeUrl(t.extractedUrl), t.source, t.state));
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if (transition !== this.transitions.getValue()) {
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EMPTY;
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}
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return [t];
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}),
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// This delay is required to match old behavior that forced navigation to
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// always be async
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mergeMap(t => Promise.resolve(t)),
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// ApplyRedirects
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applyRedirects(
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this.ngModule.injector, this.configLoader, this.urlSerializer,
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this.config),
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// Recognize
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recognize(
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this.rootComponentType, this.config, (url) => this.serializeUrl(url),
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this.paramsInheritanceStrategy),
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// Throw if there's no snapshot
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tap(t => assertDefined(t.targetSnapshot, 'snapshot must be defined')),
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// Fire RoutesRecognized
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tap(t => (this.events as Subject<Event>)
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.next(new RoutesRecognized(
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t.id, this.serializeUrl(t.extractedUrl),
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this.serializeUrl(t.urlAfterRedirects),
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t.targetSnapshot !))), );
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} else if (
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urlTransition && this.rawUrlTree &&
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this.urlHandlingStrategy.shouldProcessUrl(this.rawUrlTree)) {
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(this.events as Subject<Event>)
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.next(new NavigationStart(
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t.id, this.serializeUrl(t.extractedUrl), t.source, t.state));
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return of ({
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...t,
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urlAfterRedirects: t.extractedUrl,
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extras: {...t.extras, skipLocationChange: false, replaceUrl: false},
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targetSnapshot:
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createEmptyState(t.extractedUrl, this.rootComponentType).snapshot
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});
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} else {
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this.rawUrlTree = t.rawUrl;
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t.resolve(null);
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const transition = this.transitions.getValue();
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(this.events as Subject<Event>).next(new NavigationStart(
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t.id, this.serializeUrl(t.extractedUrl), t.source, t.state));
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if (transition !== this.transitions.getValue()) {
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return EMPTY;
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}
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return [t];
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}),
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// Before Preactivation
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beforePreactivation(this.hooks.beforePreactivation),
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// --- GUARDS ---
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tap(t => this.triggerEvent(new GuardsCheckStart(
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t.id, this.serializeUrl(t.extractedUrl),
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this.serializeUrl(t.urlAfterRedirects), t.targetSnapshot !))),
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map(t => {
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const preActivation = new PreActivation(
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t.targetSnapshot !, t.currentSnapshot, this.ngModule.injector,
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(evt: Event) => this.triggerEvent(evt));
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preActivation.initialize(this.rootContexts);
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return {...t, preActivation};
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}),
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checkGuards(), tap(t => this.triggerEvent(new GuardsCheckEnd(
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t.id, this.serializeUrl(t.extractedUrl),
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this.serializeUrl(t.urlAfterRedirects), t.targetSnapshot !,
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!!t.guardsResult))),
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// This delay is required to match old behavior that forced navigation to
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// always be async
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mergeMap(t => Promise.resolve(t)),
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mergeMapIf(
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t => !t.guardsResult,
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t => {
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this.resetUrlToCurrentUrlTree();
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(this.events as Subject<Event>)
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.next(new NavigationCancel(t.id, this.serializeUrl(t.extractedUrl), ''));
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t.resolve(false);
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}),
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// ApplyRedirects
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applyRedirects(
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this.ngModule.injector, this.configLoader, this.urlSerializer,this.config),
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// Recognize
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recognize(
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this.rootComponentType, this.config, (url) => this.serializeUrl(url),
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this.paramsInheritanceStrategy),
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// --- RESOLVE ---
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mergeMap(t => {
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if (t.preActivation !.isActivating()) {
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return of (t).pipe(
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tap(t => this.triggerEvent(new ResolveStart(
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t.id, this.serializeUrl(t.extractedUrl),
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this.serializeUrl(t.urlAfterRedirects), t.targetSnapshot !))),
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resolveData(this.paramsInheritanceStrategy),
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tap(t => this.triggerEvent(new ResolveEnd(
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t.id, this.serializeUrl(t.extractedUrl),
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this.serializeUrl(t.urlAfterRedirects), t.targetSnapshot !))), );
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}
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return of (t);
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}),
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// Fire RoutesRecognized
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tap(t => (this.events as Subject<Event>).next(new RoutesRecognized(
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t.id, this.serializeUrl(t.extractedUrl), this.serializeUrl(t.urlAfterRedirects),
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t.targetSnapshot !)))
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);
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} else if (
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urlTransition && this.rawUrlTree &&
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this.urlHandlingStrategy.shouldProcessUrl(this.rawUrlTree)) {
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(this.events as Subject<Event>).next(new NavigationStart(
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t.id, this.serializeUrl(t.extractedUrl), t.source, t.state));
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// --- AFTER PREACTIVATION ---
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afterPreactivation(this.hooks.afterPreactivation), map(t => {
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const targetRouterState = createRouterState(
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this.routeReuseStrategy, t.targetSnapshot !, t.currentRouterState);
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return ({...t, targetRouterState});
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}),
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return of ({
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...t,
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urlAfterRedirects: t.extractedUrl,
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extras: {...t.extras, skipLocationChange: false, replaceUrl: false},
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targetSnapshot: createEmptyState(t.extractedUrl, this.rootComponentType).snapshot
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});
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} else {
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this.rawUrlTree = t.rawUrl;
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t.resolve(null);
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return EMPTY;
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}
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}),
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// Side effects of resetting Router instance
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tap(t => {
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this.currentUrlTree = t.urlAfterRedirects;
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this.rawUrlTree = this.urlHandlingStrategy.merge(this.currentUrlTree, t.rawUrl);
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// Before Preactivation
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beforePreactivation(this.hooks.beforePreactivation),
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(this as{routerState: RouterState}).routerState = t.targetRouterState !;
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// --- GUARDS ---
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tap(t => this.triggerEvent(new GuardsCheckStart(
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t.id, this.serializeUrl(t.extractedUrl),
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this.serializeUrl(t.urlAfterRedirects), t.targetSnapshot !))),
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map(t => {
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const preActivation = new PreActivation(
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t.targetSnapshot !, t.currentSnapshot, this.ngModule.injector,
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(evt: Event) => this.triggerEvent(evt));
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preActivation.initialize(this.rootContexts);
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return {...t, preActivation};
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}),
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if (this.urlUpdateStrategy === 'deferred' && !t.extras.skipLocationChange) {
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this.setBrowserUrl(this.rawUrlTree, !!t.extras.replaceUrl, t.id);
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}
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}),
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checkGuards(),
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activate(
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this.rootContexts, this.routeReuseStrategy,
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(evt: Event) => this.triggerEvent(evt)),
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tap(t => this.triggerEvent(new GuardsCheckEnd(
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t.id, this.serializeUrl(t.extractedUrl),
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this.serializeUrl(t.urlAfterRedirects), t.targetSnapshot !,
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!!t.guardsResult))),
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tap({next: () => completed = true, complete: () => completed = true}),
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finalize(() => {
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if (!completed && !errored) {
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(this.events as Subject<Event>)
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.next(new NavigationCancel(
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t.id, this.serializeUrl(t.extractedUrl),
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`Navigation ID ${t.id} is not equal to the current navigation id ${this.navigationId}`));
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t.resolve(false);
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}
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}),
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catchError((e) => {
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errored = true;
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if (isNavigationCancelingError(e)) {
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this.navigated = true;
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this.resetStateAndUrl(t.currentRouterState, t.currentUrlTree, t.rawUrl);
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(this.events as Subject<Event>)
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.next(
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new NavigationCancel(t.id, this.serializeUrl(t.extractedUrl), e.message));
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} else {
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this.resetStateAndUrl(t.currentRouterState, t.currentUrlTree, t.rawUrl);
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(this.events as Subject<Event>)
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.next(new NavigationError(t.id, this.serializeUrl(t.extractedUrl), e));
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try {
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t.resolve(this.errorHandler(e));
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} catch (ee) {
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t.reject(ee);
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}
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}
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return EMPTY;
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}), );
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})) as any as Observable<NavigationTransition>;
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mergeMap(t => {
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if (!t.guardsResult) {
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this.resetUrlToCurrentUrlTree();
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(this.events as Subject<Event>)
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.next(new NavigationCancel(t.id, this.serializeUrl(t.extractedUrl), ''));
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t.resolve(false);
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return EMPTY;
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}
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return of(t);
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}),
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// --- RESOLVE ---
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mergeMap(t => {
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if (t.preActivation !.isActivating()) {
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return of (t).pipe(
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tap(t => this.triggerEvent(new ResolveStart(
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t.id, this.serializeUrl(t.extractedUrl),
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this.serializeUrl(t.urlAfterRedirects), t.targetSnapshot !))),
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resolveData(this.paramsInheritanceStrategy),
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tap(t => this.triggerEvent(new ResolveEnd(
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t.id, this.serializeUrl(t.extractedUrl),
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this.serializeUrl(t.urlAfterRedirects), t.targetSnapshot !))), );
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}
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return of (t);
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}),
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// --- AFTER PREACTIVATION ---
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afterPreactivation(this.hooks.afterPreactivation), map(t => {
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const targetRouterState = createRouterState(
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this.routeReuseStrategy, t.targetSnapshot !, t.currentRouterState);
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return ({...t, targetRouterState});
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}),
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// Side effects of resetting Router instance
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afterPreactivation(this.hooks.afterPreactivation), map(t => {
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const targetRouterState = createRouterState(
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this.routeReuseStrategy, t.targetSnapshot !, t.currentRouterState);
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return ({...t, targetRouterState});
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}),
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// Side effects of resetting Router instance
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tap(t => {
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this.currentUrlTree = t.urlAfterRedirects;
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this.rawUrlTree = this.urlHandlingStrategy.merge(this.currentUrlTree, t.rawUrl);
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(this as{routerState: RouterState}).routerState = t.targetRouterState !;
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if (this.urlUpdateStrategy === 'deferred' && !t.extras.skipLocationChange) {
|
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this.setBrowserUrl(this.rawUrlTree, !!t.extras.replaceUrl, t.id);
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}
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}),
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activate(
|
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this.rootContexts, this.routeReuseStrategy,
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(evt: Event) => this.triggerEvent(evt)),
|
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|
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tap({next: () => completed = true, complete: () => completed = true}),
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finalize(() => {
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if (!completed && !errored) {
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(this.events as Subject<Event>).next(new NavigationCancel(
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t.id, this.serializeUrl(t.extractedUrl),
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`Navigation ID ${t.id} is not equal to the current navigation id ${this.navigationId}`));
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t.resolve(false);
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}
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}),
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catchError((e) => {
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errored = true;
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if (isNavigationCancelingError(e)) {
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this.navigated = true;
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this.resetStateAndUrl(t.currentRouterState, t.currentUrlTree, t.rawUrl);
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(this.events as Subject<Event>).next(
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new NavigationCancel(t.id, this.serializeUrl(t.extractedUrl), e.message));
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} else {
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this.resetStateAndUrl(t.currentRouterState, t.currentUrlTree, t.rawUrl);
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(this.events as Subject<Event>).next(new NavigationError(
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t.id, this.serializeUrl(t.extractedUrl), e));
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try {
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t.resolve(this.errorHandler(e));
|
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} catch (ee) {
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t.reject(ee);
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}
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}
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return EMPTY;
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}), );
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})) as any as Observable<NavigationTransition>;
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function activate(
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rootContexts: ChildrenOutletContexts, routeReuseStrategy: RouteReuseStrategy,
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|
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@ -557,6 +560,7 @@ export class Router {
|
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};
|
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}
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}
|
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// clang-format on
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|
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/**
|
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* @internal
|
||||
|
|
|
|||
|
|
@ -1,19 +0,0 @@
|
|||
/**
|
||||
* @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
|
||||
*/
|
||||
|
||||
export function assertDefined<T>(actual: T, msg: string) {
|
||||
if (actual == null) {
|
||||
throwError(msg);
|
||||
}
|
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}
|
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|
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function throwError(msg: string): never {
|
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// tslint:disable-next-line
|
||||
debugger; // Left intentionally for better debugger experience.
|
||||
throw new Error(`ASSERTION ERROR: ${msg}`);
|
||||
}
|
||||
|
|
@ -291,49 +291,35 @@ describe('Integration', () => {
|
|||
|
||||
});
|
||||
|
||||
// TODO(jasonaden): This test now fails because it relies on waiting on a guard to finish
|
||||
// executing even after a new navigation has been scheduled. The previous implementation
|
||||
// would do so, but ignore the result of any guards that are executing when a new navigation
|
||||
// is scheduled.
|
||||
it('should not wait for prior navigations to start a new navigation',
|
||||
fakeAsync(inject([Router, Location], (router: Router) => {
|
||||
const fixture = createRoot(router, RootCmp);
|
||||
|
||||
// With new implementation, the current navigation will be unrolled and cleaned up so the
|
||||
// new navigation can start immediately. This test therefore fails as it relies on that
|
||||
// previous incorrect behavior.
|
||||
xit('should execute navigations serialy',
|
||||
fakeAsync(inject([Router, Location], (router: Router) => {
|
||||
const fixture = createRoot(router, RootCmp);
|
||||
router.resetConfig([
|
||||
{path: 'a', component: SimpleCmp, canActivate: ['trueRightAway', 'trueIn2Seconds']},
|
||||
{path: 'b', component: SimpleCmp, canActivate: ['trueRightAway', 'trueIn2Seconds']}
|
||||
]);
|
||||
|
||||
router.resetConfig([
|
||||
{path: 'a', component: SimpleCmp, canActivate: ['trueRightAway', 'trueIn2Seconds']},
|
||||
{path: 'b', component: SimpleCmp, canActivate: ['trueRightAway', 'trueIn2Seconds']}
|
||||
]);
|
||||
router.navigateByUrl('/a');
|
||||
tick(100);
|
||||
fixture.detectChanges();
|
||||
|
||||
router.navigateByUrl('/a');
|
||||
tick(100);
|
||||
fixture.detectChanges();
|
||||
router.navigateByUrl('/b');
|
||||
tick(100); // 200
|
||||
fixture.detectChanges();
|
||||
|
||||
router.navigateByUrl('/b');
|
||||
tick(100); // 200
|
||||
fixture.detectChanges();
|
||||
expect(log).toEqual(
|
||||
['trueRightAway', 'trueIn2Seconds-start', 'trueRightAway', 'trueIn2Seconds-start']);
|
||||
|
||||
expect(log).toEqual(['trueRightAway', 'trueIn2Seconds-start']);
|
||||
tick(2000); // 2200
|
||||
fixture.detectChanges();
|
||||
|
||||
tick(2000); // 2200
|
||||
fixture.detectChanges();
|
||||
expect(log).toEqual([
|
||||
'trueRightAway', 'trueIn2Seconds-start', 'trueRightAway', 'trueIn2Seconds-start',
|
||||
'trueIn2Seconds-end', 'trueIn2Seconds-end'
|
||||
]);
|
||||
|
||||
expect(log).toEqual([
|
||||
'trueRightAway', 'trueIn2Seconds-start', 'trueIn2Seconds-end', 'trueRightAway',
|
||||
'trueIn2Seconds-start'
|
||||
]);
|
||||
|
||||
tick(2000); // 4200
|
||||
fixture.detectChanges();
|
||||
|
||||
expect(log).toEqual([
|
||||
'trueRightAway', 'trueIn2Seconds-start', 'trueIn2Seconds-end', 'trueRightAway',
|
||||
'trueIn2Seconds-start', 'trueIn2Seconds-end'
|
||||
]);
|
||||
})));
|
||||
})));
|
||||
});
|
||||
|
||||
it('Should work inside ChangeDetectionStrategy.OnPush components', fakeAsync(() => {
|
||||
|
|
@ -2971,32 +2957,31 @@ describe('Integration', () => {
|
|||
]);
|
||||
})));
|
||||
|
||||
it('should allow redirection in NavigationStart', fakeAsync(inject([Router], (router: Router) => {
|
||||
const fixture = createRoot(router, RootCmp);
|
||||
it('should allow redirection in NavigationStart',
|
||||
fakeAsync(inject([Router], (router: Router) => {
|
||||
const fixture = createRoot(router, RootCmp);
|
||||
|
||||
router.resetConfig([
|
||||
{path: 'blank', component: UserCmp},
|
||||
{path: 'user/:name', component: BlankCmp},
|
||||
]);
|
||||
router.resetConfig([
|
||||
{path: 'blank', component: UserCmp},
|
||||
{path: 'user/:name', component: BlankCmp},
|
||||
]);
|
||||
|
||||
const navigateSpy = spyOn(router, 'navigate').and.callThrough();
|
||||
const recordedEvents: any[] = [];
|
||||
const navigateSpy = spyOn(router, 'navigate').and.callThrough();
|
||||
const recordedEvents: any[] = [];
|
||||
|
||||
const navStart$ = router.events.pipe(
|
||||
tap(e => recordedEvents.push(e)),
|
||||
filter(e => e instanceof NavigationStart),
|
||||
first()
|
||||
);
|
||||
const navStart$ = router.events.pipe(
|
||||
tap(e => recordedEvents.push(e)), filter(e => e instanceof NavigationStart), first());
|
||||
|
||||
navStart$.subscribe((e: NavigationStart | NavigationError) => {
|
||||
router.navigate(['/blank'], {queryParams: {state: 'redirected'}, queryParamsHandling: 'merge'});
|
||||
advance(fixture);
|
||||
});
|
||||
navStart$.subscribe((e: NavigationStart | NavigationError) => {
|
||||
router.navigate(
|
||||
['/blank'], {queryParams: {state: 'redirected'}, queryParamsHandling: 'merge'});
|
||||
advance(fixture);
|
||||
});
|
||||
|
||||
router.navigate(['/user/:fedor']);
|
||||
advance(fixture);
|
||||
router.navigate(['/user/:fedor']);
|
||||
advance(fixture);
|
||||
|
||||
expect(navigateSpy.calls.mostRecent().args[1].queryParams);
|
||||
expect(navigateSpy.calls.mostRecent().args[1].queryParams);
|
||||
|
||||
})));
|
||||
});
|
||||
|
|
|
|||
Loading…
Reference in New Issue