[Solved] What will be the output of this NestJS interceptor?intercept(context, next) { return next.handle().pipe(map(data => ({ status: 'success', payload: data }))); } | NestJS

NestJS - Interceptors

What will be the output of this NestJS interceptor?

intercept(context, next) {
  return next.handle().pipe(map(data => ({ status: 'success', payload: data })));
}

AThe response will be unchanged

BThe response will be wrapped inside an object with 'status' and 'payload' keys

CThe response will be converted to a string

DThe response will be an array containing the original data

Step-by-Step Solution

Solution:

Step 1: Analyze the map operator
The map operator wraps the original data inside a new object with keys 'status' and 'payload'.
Step 2: Understand the interceptor return
The interceptor returns an Observable that emits this transformed object.
Final Answer:
The response will be wrapped inside an object with 'status' and 'payload' keys -> Option B
Quick Check:
Response is wrapped correctly [OK]

Quick Trick: map operator wraps response in new object [OK]

Common Mistakes:

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