ComponentRef
Represents a component created by a ComponentFactory
.
Provides access to the component instance and related objects,
and provides the means of destroying the instance.
abstract class ComponentRef<C> {
abstract location: ElementRef
abstract injector: Injector
abstract instance: C
abstract hostView: ViewRef
abstract changeDetectorRef: ChangeDetectorRef
abstract componentType: Type<any>
abstract setInput(name: string, value: unknown): void
abstract destroy(): void
abstract onDestroy(callback: Function): void
}
Properties
Property | Description |
---|---|
abstract location: ElementRef
|
Read-Only
The host or anchor element for this component instance. |
abstract injector: Injector
|
Read-Only
The dependency injector for this component instance. |
abstract instance: C
|
Read-Only
This component instance. |
abstract hostView: ViewRef
|
Read-Only
The host view defined by the template for this component instance. |
abstract changeDetectorRef: ChangeDetectorRef
|
Read-Only
The change detector for this component instance. |
abstract componentType: Type<any>
|
Read-Only
The type of this component (as created by a |
Methods
setInput() |
---|
Updates a specified input name to a new value. Using this method will properly mark for check
component using the |
destroy() |
---|
Destroys the component instance and all of the data structures associated with it. |
ParametersThere are no parameters. Returns
|
onDestroy() |
---|
A lifecycle hook that provides additional developer-defined cleanup functionality for the component. |