Api References NestJS

PipeTransform

interface

Interface describing implementation of a pipe.


interface PipeTransform<T = any, R = any> {
  transform(value: T, metadata: ArgumentMetadata): R
}

Method to implement a custom pipe. Called with two parameters


transform(value: T, metadata: ArgumentMetadata): R

Option	Type	Description
`value`	`T`	argument before it is received by route handler method
`metadata`	`ArgumentMetadata`	contains metadata about the value

R