ChildrenOutletContexts

class

Store contextual information about the children (= nested) RouterOutlet

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

Methods

onChildOutletCreated()

Called when a RouterOutlet directive is instantiated

      
      onChildOutletCreated(childName: string, outlet: RouterOutlet): void

Parameters

`childName`	`string`
`outlet`	`RouterOutlet`

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> `onOutletDeactivated(): Map<string, OutletContext>` Parameters There are no parameters. Returns `Map<string, OutletContext>`

onOutletReAttached()

      
      onOutletReAttached(contexts: any)

Parameters

contexts any

getOrCreateContext()

      
      getOrCreateContext(childName: string): OutletContext

Parameters

childName string

Returns

OutletContext

getContext()

      
      getContext(childName: string): OutletContext | null

Parameters

childName string

Returns

OutletContext | null