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feat(router): guard returning UrlTree cancels current navigation and redirects (#26521)

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Fixes #24618
FW-153 #resolve

PR Close #26521
This commit is contained in:
Jason Aden
2018-10-17 09:30:45 -07:00
committed by Matias Niemelä
parent 081f95c812
commit 4e9f2e5895
8 changed files with 116 additions and 23 deletions
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4
aio/content/guide/router.md
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@ -3066,11 +3066,13 @@ A guard's return value controls the router's behavior:
* If it returns `true`, the navigation process continues.
* If it returns `false`, the navigation process stops and the user stays put.
* If it returns a `UrlTree`, the current navigation cancels and a new navigation is initiated to the `UrlTree` returned.
<div class="alert is-helpful">
**Note:** The guard can also tell the router to navigate elsewhere, effectively canceling the current navigation.
**Note:** The guard can also tell the router to navigate elsewhere, effectively canceling the current navigation. When
doing so inside a guard, the guard should return `false`;
</div>