You want to apply LoggerMiddleware only to POST requests on the /orders route in NestJS. Which approach correctly applies middleware only to POST /orders requests?

hard📝 Application Q15 of 15

NestJS - Middleware

You want to apply LoggerMiddleware only to POST requests on the /orders route in NestJS. Which approach correctly applies middleware only to POST /orders requests?

AApply middleware globally and skip non-POST requests inside middleware

BUse consumer.apply(LoggerMiddleware).forRoutes('orders'); and check method inside middleware

CUse consumer.apply(LoggerMiddleware).forRoutes('orders'); without method filtering

DUse consumer.apply(LoggerMiddleware).forRoutes({ path: 'orders', method: RequestMethod.POST });

Step-by-Step Solution

Solution:

Step 1: Understand method filtering in middleware
NestJS allows specifying method with an object: { path, method } in forRoutes.
Step 2: Identify correct syntax for POST-only middleware
Using consumer.apply(...).forRoutes({ path: 'orders', method: RequestMethod.POST }) applies middleware only to POST /orders.
Final Answer:
Use consumer.apply(LoggerMiddleware).forRoutes({ path: 'orders', method: RequestMethod.POST }); -> Option D
Quick Check:
Use object with path and method in forRoutes for method filtering [OK]

Quick Trick: Use forRoutes({path, method}) to target HTTP methods [OK]

Common Mistakes:

Applying middleware to all methods without filtering
Checking method inside middleware instead of in forRoutes
Applying middleware globally and filtering inside middleware

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You want to apply LoggerMiddleware only to POST requests on the /orders route in NestJS. Which approach correctly applies middleware only to POST /orders requests?

Step 1: Understand method filtering in middleware

Step 2: Identify correct syntax for POST-only middleware

Final Answer:

Quick Check:

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