[Solved] Given this interceptor code snippet, what will be the transformed response? intercept(context, next) { return next.handle().pipe(map(data => ({ result: data }))); } | NestJS

NestJS - Interceptors

Given this interceptor code snippet, what will be the transformed response?

intercept(context, next) {
  return next.handle().pipe(map(data => ({ result: data }))); 
}

A{ data: originalData }

BoriginalData

C{ result: originalData }

DAn error will occur

Step-by-Step Solution

Solution:

Step 1: Understand the interceptor's map function
The map operator wraps the original data inside an object with key 'result'.
Step 2: Predict the transformed output
The response will be an object: { result: originalData }.
Final Answer:
{ result: originalData } -> Option C
Quick Check:
map wraps data in { result: ... } [OK]

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

Common Mistakes:

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