Information about a navigation operation. Retrieve the most recent navigation object with the Router.getCurrentNavigation() method .

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interface Navigation {
  id: number
  initialUrl: UrlTree
  extractedUrl: UrlTree
  finalUrl?: UrlTree
  trigger: 'imperative' | 'popstate' | 'hashchange'
  extras: NavigationExtras
  previousNavigation: Navigation | null
}

Description

• id : The unique identifier of the current navigation.
• initialUrl : The target URL passed into the Router#navigateByUrl() call before navigation. This is the value before the router has parsed or applied redirects to it.
• extractedUrl : The initial target URL after being parsed with UrlSerializer.extract().
• finalUrl : The extracted URL after redirects have been applied. This URL may not be available immediately, therefore this property can be undefined. It is guaranteed to be set after the RoutesRecognized event fires.
• trigger : Identifies how this navigation was triggered. -- 'imperative'--Triggered by router.navigateByUrl or router.navigate. -- 'popstate'--Triggered by a popstate event. -- 'hashchange'--Triggered by a hashchange event.
• extras : A NavigationExtras options object that controlled the strategy used for this navigation.
• previousNavigation : The previously successful Navigation object. Only one previous navigation is available, therefore this previous Navigation object has a null value for its own previousNavigation.

Properties

Property	Description
id: number	The unique identifier of the current navigation.
initialUrl: UrlTree	The target URL passed into the Router#navigateByUrl() call before navigation. This is the value before the router has parsed or applied redirects to it.
extractedUrl: UrlTree	The initial target URL after being parsed with UrlHandlingStrategy.extract().
finalUrl?: UrlTree	The extracted URL after redirects have been applied. This URL may not be available immediately, therefore this property can be undefined. It is guaranteed to be set after the RoutesRecognized event fires.
trigger: 'imperative' | 'popstate' | 'hashchange'	Identifies how this navigation was triggered. 'imperative'--Triggered by router.navigateByUrl or router.navigate. 'popstate'--Triggered by a popstate event. 'hashchange'--Triggered by a hashchange event.
extras: NavigationExtras	Options that controlled the strategy used for this navigation. See NavigationExtras.
previousNavigation: Navigation | null	The previously successful Navigation object. Only one previous navigation is available, therefore this previous Navigation object has a null value for its own previousNavigation.