nestjs-typebox/src/pipes.ts

This library provides helper utilities for writing and validating NestJS APIs using [TypeBox](https://github.com/sinclairzx81/typebox) as an alternative to class-validator/class-transformer. It also includes a patch for @nestjs/swagger allowing OpenAPI ge

import { ArgumentMetadata, Injectable, PipeTransform } from '@nestjs/common';
import { isTypeboxDto } from './util';

@Injectable()
export class TypeboxValidationPipe implements PipeTransform {
    public transform(value: unknown, metadata: ArgumentMetadata) {
        const { metatype } = metadata;

        if (!isTypeboxDto(metatype)) {
            return value;
        }

        metatype.validate(metatype.beforeValidate(value));

        return value;
    }
}