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fix(router): navigating to the current location works (#19463) 

Closes #13340

PR Close #19463
This commit is contained in:
vsavkin 2017-10-06 13:22:02 -04:00 committed by Chuck Jazdzewski
parent 1c77cdadaf
commit b67d574a95
3 changed files with 120 additions and 95 deletions
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4
packages/common/testing/src/location_mock.ts
View File

@ -41,7 +41,9 @@ export class SpyLocation implements Location {
return currPath == givenPath + (query.length > 0 ? ('?' + query) : '');
}
simulateUrlPop(pathname: string) { this._subject.emit({'url': pathname, 'pop': true}); }
simulateUrlPop(pathname: string) {
this._subject.emit({'url': pathname, 'pop': true, 'type': 'popstate'});
}
simulateHashChange(pathname: string) {
// Because we don't prevent the native event, the browser will independently update the path

147
packages/router/src/router.ts
View File

@ -43,12 +43,12 @@ declare let Zone: any;
*/
export interface NavigationExtras {
/**
* Enables relative navigation from the current ActivatedRoute.
*
* Configuration:
*
* ```
* [{
* Enables relative navigation from the current ActivatedRoute.
*
* Configuration:
*
* ```
* [{
* path: 'parent',
* component: ParentComponent,
* children: [{
@ -59,92 +59,92 @@ export interface NavigationExtras {
* component: ChildComponent
* }]
* }]
* ```
*
* Navigate to list route from child route:
*
* ```
* @Component({...})
* class ChildComponent {
* ```
*
* Navigate to list route from child route:
*
* ```
* @Component({...})
* class ChildComponent {
* constructor(private router: Router, private route: ActivatedRoute) {}
*
* go() {
* this.router.navigate(['../list'], { relativeTo: this.route });
* }
* }
* ```
*/
* ```
*/
relativeTo?: ActivatedRoute|null;
/**
* Sets query parameters to the URL.
*
* ```
* // Navigate to /results?page=1
* this.router.navigate(['/results'], { queryParams: { page: 1 } });
* ```
*/
* Sets query parameters to the URL.
*
* ```
* // Navigate to /results?page=1
* this.router.navigate(['/results'], { queryParams: { page: 1 } });
* ```
*/
queryParams?: Params|null;
/**
* Sets the hash fragment for the URL.
*
* ```
* // Navigate to /results#top
* this.router.navigate(['/results'], { fragment: 'top' });
* ```
*/
* Sets the hash fragment for the URL.
*
* ```
* // Navigate to /results#top
* this.router.navigate(['/results'], { fragment: 'top' });
* ```
*/
fragment?: string;
/**
* Preserves the query parameters for the next navigation.
*
* deprecated, use `queryParamsHandling` instead
*
* ```
* // Preserve query params from /results?page=1 to /view?page=1
* this.router.navigate(['/view'], { preserveQueryParams: true });
* ```
*
* @deprecated since v4
*/
* Preserves the query parameters for the next navigation.
*
* deprecated, use `queryParamsHandling` instead
*
* ```
* // Preserve query params from /results?page=1 to /view?page=1
* this.router.navigate(['/view'], { preserveQueryParams: true });
* ```
*
* @deprecated since v4
*/
preserveQueryParams?: boolean;
/**
* config strategy to handle the query parameters for the next navigation.
*
* ```
* // from /results?page=1 to /view?page=1&page=2
* this.router.navigate(['/view'], { queryParams: { page: 2 }, queryParamsHandling: "merge" });
* ```
*/
* config strategy to handle the query parameters for the next navigation.
*
* ```
* // from /results?page=1 to /view?page=1&page=2
* this.router.navigate(['/view'], { queryParams: { page: 2 }, queryParamsHandling: "merge" });
* ```
*/
queryParamsHandling?: QueryParamsHandling|null;
/**
* Preserves the fragment for the next navigation
*
* ```
* // Preserve fragment from /results#top to /view#top
* this.router.navigate(['/view'], { preserveFragment: true });
* ```
*/
* Preserves the fragment for the next navigation
*
* ```
* // Preserve fragment from /results#top to /view#top
* this.router.navigate(['/view'], { preserveFragment: true });
* ```
*/
preserveFragment?: boolean;
/**
* Navigates without pushing a new state into history.
*
* ```
* // Navigate silently to /view
* this.router.navigate(['/view'], { skipLocationChange: true });
* ```
*/
* Navigates without pushing a new state into history.
*
* ```
* // Navigate silently to /view
* this.router.navigate(['/view'], { skipLocationChange: true });
* ```
*/
skipLocationChange?: boolean;
/**
* Navigates while replacing the current state in history.
*
* ```
* // Navigate to /view
* this.router.navigate(['/view'], { replaceUrl: true });
* ```
*/
* Navigates while replacing the current state in history.
*
* ```
* // Navigate to /view
* this.router.navigate(['/view'], { replaceUrl: true });
* ```
*/
replaceUrl?: boolean;
}
@ -518,11 +518,18 @@ export class Router {
// Because of a bug in IE and Edge, the location class fires two events (popstate and
// hashchange) every single time. The second one should be ignored. Otherwise, the URL will
// flicker.
// flicker. Handles the case when a popstate was emitted first.
if (lastNavigation && source == 'hashchange' && lastNavigation.source === 'popstate' &&
lastNavigation.rawUrl.toString() === rawUrl.toString()) {
return Promise.resolve(true); // return value is not used
}
// Because of a bug in IE and Edge, the location class fires two events (popstate and
// hashchange) every single time. The second one should be ignored. Otherwise, the URL will
// flicker. Handles the case when a hashchange was emitted first.
if (lastNavigation && source == 'popstate' && lastNavigation.source === 'hashchange' &&
lastNavigation.rawUrl.toString() === rawUrl.toString()) {
return Promise.resolve(true); // return value is not used
}
let resolve: any = null;
let reject: any = null;
@ -545,7 +552,7 @@ export class Router {
const url = this.urlHandlingStrategy.extract(rawUrl);
const urlTransition = !this.navigated || url.toString() !== this.currentUrlTree.toString();
if (urlTransition && this.urlHandlingStrategy.shouldProcessUrl(rawUrl)) {
if (this.urlHandlingStrategy.shouldProcessUrl(rawUrl)) {
(this.events as Subject<Event>).next(new NavigationStart(id, this.serializeUrl(url)));
Promise.resolve()
.then(

64
packages/router/test/integration.spec.ts
View File

@ -50,6 +50,29 @@ describe('Integration', () => {
expect(fixture.nativeElement).toHaveText('route');
})));
it('should navigate to the current URL',
fakeAsync(inject([Router, Location], (router: Router) => {
router.resetConfig([
{path: '', component: SimpleCmp},
{path: 'simple', component: SimpleCmp},
]);
const fixture = createRoot(router, RootCmp);
const events: Event[] = [];
router.events.subscribe(e => onlyNavigationStartAndEnd(e) && events.push(e));
router.navigateByUrl('/simple');
tick();
router.navigateByUrl('/simple');
tick();
expectEvents(events, [
[NavigationStart, '/simple'], [NavigationEnd, '/simple'], [NavigationStart, '/simple'],
[NavigationEnd, '/simple']
]);
})));
describe('should execute navigations serially', () => {
let log: any[] = [];
@ -428,7 +451,7 @@ describe('Integration', () => {
}]);
const recordedEvents: any[] = [];
router.events.forEach(e => e instanceof RouterEvent && recordedEvents.push(e));
router.events.forEach(e => onlyNavigationStartAndEnd(e) && recordedEvents.push(e));
router.navigateByUrl('/team/22/user/victor');
advance(fixture);
@ -442,15 +465,8 @@ describe('Integration', () => {
expect(fixture.nativeElement).toHaveText('team 22 [ user fedor, right: ]');
expectEvents(recordedEvents, [
[NavigationStart, '/team/22/user/victor'], [RoutesRecognized, '/team/22/user/victor'],
[GuardsCheckStart, '/team/22/user/victor'], [GuardsCheckEnd, '/team/22/user/victor'],
[ResolveStart, '/team/22/user/victor'], [ResolveEnd, '/team/22/user/victor'],
[NavigationEnd, '/team/22/user/victor'],
[NavigationStart, '/team/22/user/fedor'], [RoutesRecognized, '/team/22/user/fedor'],
[GuardsCheckStart, '/team/22/user/fedor'], [GuardsCheckEnd, '/team/22/user/fedor'],
[ResolveStart, '/team/22/user/fedor'], [ResolveEnd, '/team/22/user/fedor'],
[NavigationEnd, '/team/22/user/fedor']
[NavigationStart, '/team/22/user/victor'], [NavigationEnd, '/team/22/user/victor'],
[NavigationStart, '/team/22/user/fedor'], [NavigationEnd, '/team/22/user/fedor']
]);
})));
@ -3489,34 +3505,30 @@ describe('Integration', () => {
}]);
const events: any[] = [];
router.events.subscribe(e => e instanceof RouterEvent && events.push(e));
router.events.subscribe(e => onlyNavigationStartAndEnd(e) && events.push(e));
location.go('/include/user/kate(aux:excluded)');
advance(fixture);
expect(location.path()).toEqual('/include/user/kate(aux:excluded)');
expectEvents(events, [
[NavigationStart, '/include/user/kate'], [RoutesRecognized, '/include/user/kate'],
[GuardsCheckStart, '/include/user/kate'], [GuardsCheckEnd, '/include/user/kate'],
[ResolveStart, '/include/user/kate'], [ResolveEnd, '/include/user/kate'],
[NavigationEnd, '/include/user/kate']
]);
expectEvents(
events,
[[NavigationStart, '/include/user/kate'], [NavigationEnd, '/include/user/kate']]);
events.splice(0);
location.go('/include/user/kate(aux:excluded2)');
advance(fixture);
expectEvents(events, []);
expectEvents(
events,
[[NavigationStart, '/include/user/kate'], [NavigationEnd, '/include/user/kate']]);
events.splice(0);
router.navigateByUrl('/include/simple');
advance(fixture);
expect(location.path()).toEqual('/include/simple(aux:excluded2)');
expectEvents(events, [
[NavigationStart, '/include/simple'], [RoutesRecognized, '/include/simple'],
[GuardsCheckStart, '/include/simple'], [GuardsCheckEnd, '/include/simple'],
[ResolveStart, '/include/simple'], [ResolveEnd, '/include/simple'],
[NavigationEnd, '/include/simple']
]);
expectEvents(
events, [[NavigationStart, '/include/simple'], [NavigationEnd, '/include/simple']]);
})));
});
});
@ -3635,6 +3647,10 @@ function expectEvents(events: Event[], pairs: any[]) {
}
}
function onlyNavigationStartAndEnd(e: Event): boolean {
return e instanceof NavigationStart || e instanceof NavigationEnd;
}
@Component(
{selector: 'link-cmp', template: `<a routerLink="/team/33/simple" [target]="'_self'">link</a>`})
class StringLinkCmp {