W3cubDocs

ChildrenOutletContexts

class final

Store contextual information about the children (= nested) RouterOutlet

class ChildrenOutletContexts {
  onChildOutletCreated(childName: string, outlet: RouterOutletContract): void
  onChildOutletDestroyed(childName: string): void
  onOutletDeactivated(): Map<string, OutletContext>
  onOutletReAttached(contexts: Map<string, OutletContext>)
  getOrCreateContext(childName: string): OutletContext
  getContext(childName: string): OutletContext | null
}

Methods

onChildOutletCreated()

Called when a RouterOutlet directive is instantiated

`onChildOutletCreated(childName: string, outlet: RouterOutletContract): void`

Parameters

`childName`	`string`
`outlet`	`RouterOutletContract`

Returns

void

onChildOutletDestroyed()

Called when a RouterOutlet directive is destroyed. We need to keep the context as the outlet could be destroyed inside a NgIf and might be re-created later.

`onChildOutletDestroyed(childName: string): void`

Parameters

childName string

Returns

void

onOutletDeactivated()
Called when the corresponding route is deactivated during navigation. Because the component get destroyed, all children outlet are destroyed.
`onOutletDeactivated(): Map<string, OutletContext>` Parameters There are no parameters. Returns `Map<string, OutletContext>`

onOutletReAttached()

`onOutletReAttached(contexts: Map<string, OutletContext>)`

Parameters

contexts Map

getOrCreateContext()

`getOrCreateContext(childName: string): OutletContext`

Parameters

childName string

Returns

OutletContext

getContext()

`getContext(childName: string): OutletContext | null`

Parameters

childName string

Returns

OutletContext | null

© 2010–2021 Google, Inc.
Licensed under the Creative Commons Attribution License 4.0.
https://v12.angular.io/api/router/ChildrenOutletContexts