NestJS ina exception layer iliyojengwa ndani ambayo hunasa kiotomatiki makosa yasiyoshughulikiwa na kuyabadilisha kuwa HTTP responses sahihi. Unaashiria makosa kwa kutupa exceptions (mara nyingi built-in HTTP exception classes), na Nest huziunda kuwa structured JSON responses zenye status code sahihi.
Kutupa built-in HTTP exceptions
{ , , } ;
()
() {
user = ..(id);
(!user) {
();
}
user;
}
