javascript / intermediate
Snippet
Flexible Cleanup with DestroyRef
DestroyRef allows you to register cleanup logic anywhere within an injection context. It is a more flexible alternative to the traditional ngOnDestroy lifecycle hook, especially when using functional patterns.
snippet.js
javascript
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const destroyRef = inject(DestroyRef);const subscription = interval(1000).subscribe(console.log);destroyRef.onDestroy(() => {subscription.unsubscribe();console.log('Cleanup complete');});
angular
Breakdown
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inject(DestroyRef)
Obtains a reference to the current component's or provider's destruction trigger.
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onDestroy(() => ...)
Registers a callback function to be executed when the context is destroyed.