NestJS Request cycle (Flow)

 

NestJS의 Request cycle에 대해 학습하고자 한다.

 

먼저 NestJS 공식 문서의 요약은 아래와 같이 나열되어있다.

https://docs.nestjs.com/faq/request-lifecycle

Documentation | NestJS - A progressive Node.js framework

 

1. Incoming request
2. Globally bound middleware
3. Module bound middleware
4. Global guards
5. Controller guards
6. Route guards
7. Global interceptors(pre-controller)
8. Controller interceptors(pre-controller)
9. Route interceptors(pre-controller)
10. Global pipes
11. Controller pipes
12. Route pipes
13. Route parameter pipes
14. Controller(method handler)
15. Service(if exissts)
16. Route interceptor(post-request)
17. Controller interceptor(post-request)
18. Global interceptor(post-request)
19. Exception filters(route, then controller, then global)
20. Server response

 

NestJS Request Cycle

NestJS Cycle