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GeezerVison is showing angular.dev — DestroyRef • Angular

API

    
      abstract class DestroyRef {}

Registers a destroy callback in a given lifecycle scope. Returns a cleanup function that can be invoked to unregister the callback.

@paramcallback() => void

@returns() => void

Usage notes

Example

const destroyRef = inject(DestroyRef);

// register a destroy callback
const unregisterFn = destroyRef.onDestroy(() => doSomethingOnDestroy());

// stop the destroy callback from executing if needed
unregisterFn();

Indicates whether the instance has already been destroyed.

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