[Solved] How do you correctly apply a pipe globally in a NestJS application? — Ans: app.useGlobalPipes(new ValidationPipe()); | NestJS

NestJS - Pipes

How do you correctly apply a pipe globally in a NestJS application?

Aapp.useGlobalPipes(new ValidationPipe());

Bapp.usePipes(ValidationPipe);

C@UsePipes(ValidationPipe) on the main app module

DBind the pipe inside each controller constructor

Step-by-Step Solution

Solution:

Step 1: Understand global pipe binding
Global pipes are applied to all incoming requests and are bound using the useGlobalPipes() method on the NestJS application instance.
Step 2: Identify correct syntax
The correct syntax requires creating an instance of the pipe, e.g., new ValidationPipe(), and passing it to app.useGlobalPipes().
Final Answer:
app.useGlobalPipes(new ValidationPipe()); -> Option A
Quick Check:
Check for new keyword and method name useGlobalPipes [OK]

Quick Trick: Global pipes use app.useGlobalPipes(new Pipe()) [OK]

Common Mistakes:

Master "Pipes" in NestJS

9 interactive learning modes - each teaches the same concept differently

More NestJS Quizzes

How do you correctly apply a pipe globally in a NestJS application?