What does the ParseIntPipe do in a NestJS controller?

easy📝 Conceptual Q1 of 15

NestJS - Pipes

What does the ParseIntPipe do in a NestJS controller?

AConverts a boolean parameter to a string

BConverts a string parameter to an integer

CValidates that a parameter is a valid email

DEncrypts the parameter value

Step-by-Step Solution

Solution:

Step 1: Understand the purpose of ParseIntPipe
The ParseIntPipe is designed to convert string inputs from route parameters or query parameters into integers.
Step 2: Identify what ParseIntPipe does in a controller
When applied, it transforms the incoming string parameter into a number type, throwing an error if conversion fails.
Final Answer:
Converts a string parameter to an integer -> Option B
Quick Check:
ParseIntPipe function = Convert string to integer [OK]

Quick Trick: ParseIntPipe changes strings to numbers safely [OK]

Common Mistakes:

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