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fix(router): Allow undefined inputs on routerLink (#39151)

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This make it coherent with typing of Router.createUrlTree to which
those inputs are directly forwarded to. And hence it allow to pass
`undefined`, `null` or a value to the routerLink directive.

BREAKING CHANGE: in most cases this should not break, but if you were
accessing the values of `queryParams`, `fragment` or `queryParamsHandling`
you might need to relax the typing to also accept `undefined` and `null`.

Signed-off-by: Adrien Crivelli <adrien.crivelli@gmail.com>

PR Close #39151
This commit is contained in:
Adrien Crivelli
2020-10-07 13:13:36 +09:00
committed by atscott
parent 72f4497f11
commit b0b4953fd6
2 changed files with 13 additions and 22 deletions
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19
packages/router/src/directives/router_link.ts
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@ -14,6 +14,7 @@ import {QueryParamsHandling} from '../config';
import {Event, NavigationEnd} from '../events';
import {Router} from '../router';
import {ActivatedRoute} from '../router_state';
import {Params} from '../shared';
import {UrlTree} from '../url_tree';
@ -122,24 +123,21 @@ export class RouterLink implements OnChanges {
* @see {@link UrlCreationOptions#queryParams UrlCreationOptions#queryParams}
* @see {@link Router#createUrlTree Router#createUrlTree}
*/
// TODO(issue/24571): remove '!'.
@Input() queryParams!: {[k: string]: any};
@Input() queryParams?: Params|null;
/**
* Passed to {@link Router#createUrlTree Router#createUrlTree} as part of the
* `UrlCreationOptions`.
* @see {@link UrlCreationOptions#fragment UrlCreationOptions#fragment}
* @see {@link Router#createUrlTree Router#createUrlTree}
*/
// TODO(issue/24571): remove '!'.
@Input() fragment!: string;
@Input() fragment?: string;
/**
* Passed to {@link Router#createUrlTree Router#createUrlTree} as part of the
* `UrlCreationOptions`.
* @see {@link UrlCreationOptions#queryParamsHandling UrlCreationOptions#queryParamsHandling}
* @see {@link Router#createUrlTree Router#createUrlTree}
*/
// TODO(issue/24571): remove '!'.
@Input() queryParamsHandling!: QueryParamsHandling;
@Input() queryParamsHandling?: QueryParamsHandling|null;
/**
* Passed to {@link Router#createUrlTree Router#createUrlTree} as part of the
* `UrlCreationOptions`.
@ -264,24 +262,21 @@ export class RouterLinkWithHref implements OnChanges, OnDestroy {
* @see {@link UrlCreationOptions#queryParams UrlCreationOptions#queryParams}
* @see {@link Router#createUrlTree Router#createUrlTree}
*/
// TODO(issue/24571): remove '!'.
@Input() queryParams!: {[k: string]: any};
@Input() queryParams?: Params|null;
/**
* Passed to {@link Router#createUrlTree Router#createUrlTree} as part of the
* `UrlCreationOptions`.
* @see {@link UrlCreationOptions#fragment UrlCreationOptions#fragment}
* @see {@link Router#createUrlTree Router#createUrlTree}
*/
// TODO(issue/24571): remove '!'.
@Input() fragment!: string;
@Input() fragment?: string;
/**
* Passed to {@link Router#createUrlTree Router#createUrlTree} as part of the
* `UrlCreationOptions`.
* @see {@link UrlCreationOptions#queryParamsHandling UrlCreationOptions#queryParamsHandling}
* @see {@link Router#createUrlTree Router#createUrlTree}
*/
// TODO(issue/24571): remove '!'.
@Input() queryParamsHandling!: QueryParamsHandling;
@Input() queryParamsHandling?: QueryParamsHandling|null;
/**
* Passed to {@link Router#createUrlTree Router#createUrlTree} as part of the
* `UrlCreationOptions`.