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カスタムデコレータでもバリデーションする

Last updated at Posted at 2020-05-08

validateCustomDecorators: true にするだけ
さらにtransformもtrueにすればclassTransformer.plainToClass()
した後のオブジェクトが使えるようになる。


import { ValidationPipe } from '@nestjs/common';
import { NestFactory } from '@nestjs/core';
import { AppModule } from './app.module';

async function bootstrap() {
  const app = await NestFactory.create(AppModule);
  app.useGlobalPipes(
    new ValidationPipe({ 
        validateCustomDecorators: true ,
        transform: true}));

  await app.listen(3000);
  console.log(`Application is running on: ${await app.getUrl()}/graphql`);
}
bootstrap();

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