Pipes and validation
Pipes transform and validate input before handlers run.
What you will be able to do
- Use ValidationPipe.
- Decorate DTO fields.
- Return 400 on invalid input.
In plain English
Pipes transform and validate input before handlers run.
- Use ValidationPipe.
- Decorate DTO fields.
- Return 400 on invalid input.
export class CreateCourseDto {
@IsString()
@Length(2, 80)
title!: string
}Your turn
EasyExplain it back
Answer from memory: What does ValidationPipe do?
TEXT · starter
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Knowledge checkQuestion 1
What does ValidationPipe do?
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