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| @Injectable() | |
| export class TimeService implements OnDestroy { | |
| // ... some useful stuff | |
| ngOnDestroy(): void { | |
| // ... some clean up logic | |
| } | |
| } |
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| @Component({ | |
| providers: [ | |
| TimeService | |
| ] | |
| }) | |
| export class FeedComponent { | |
| constructor(timeService: TimeService) { | |
| // useful stuff using timeService | |
| } | |
| } |
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Service gets its ngOnDestroy called when component is destroyed. Even when it itself does not have the ngOnDestroy method.