[Solved] What will happen if you apply a TimeoutInterceptor with a 0 millisecond timeout? — Ans: All requests will immediately timeout and throw errors | NestJS

NestJS - Interceptors

What will happen if you apply a TimeoutInterceptor with a 0 millisecond timeout?

ATimeoutInterceptor will be ignored

BRequests will never timeout

CTimeout will default to 5 seconds

DAll requests will immediately timeout and throw errors

Step-by-Step Solution

Solution:

Step 1: Understand timeout value effect
A 0 millisecond timeout means the observable must emit immediately or it times out.
Step 2: Predict behavior for normal requests
Since no request can respond instantly, all will timeout immediately and throw errors.
Final Answer:
All requests will immediately timeout and throw errors -> Option D
Quick Check:
Zero timeout causes instant errors [OK]

Quick Trick: Zero timeout means no waiting, immediate error [OK]

Common Mistakes:

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What will happen if you apply a TimeoutInterceptor with a 0 millisecond timeout?