Interceptors huzungushia utekelezaji wa route handler, zikikuruhusu kuendesha logic kabla na baada yake — na kubadilisha request au response. Zimechochewa na aspect-oriented programming, zinafaa kwa mambo ya kupita pande mbalimbali kama logging, ubadilishaji wa response, caching, na timing.
Muundo: kabla + baada kupitia RxJS
()
{
(: , : ): <> {
.();
now = .();
next.().(
( .()),
);
}
}
