NestJS · Junior · Question 72 of 75

What does `@Query('limit', new DefaultValuePipe(20), ParseIntPipe) limit: number` do when `limit` is missing?

1Responds with 400
2Passes undefined
✓Correct answer: Uses 20, then parses it as an integer

Explanation

Pipes run in order. DefaultValuePipe fills in a value before ParseIntPipe validates it.

Further reading

NestJS: Pipes ↗

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