NestJS imejengwa kuzunguka TypeScript decorators — annotations maalum zenye kiambishi @ ambazo huambatanisha metadata na classes, methods, na parameters. NestJS husoma metadata hii (kupitia reflection) kuunganisha routing, dependency injection, validation, na zaidi kwa njia ya kutangaza. Decorators zipo kila mahali ndani ya Nest.
Class decorators — hufafanua jukumu la class
()
{}
()
{}
({ ... })
{}
