Nest JS Parseint Rure Zastosowanie
import { PipeTransform, Injectable, ArgumentMetadata, BadRequestException } from '@nestjs/common';
@Injectable()
export class ParseIntPipe implements PipeTransform<string, number> {
transform(value: string, metadata: ArgumentMetadata): number {
const val = parseInt(value, 10);
if (isNaN(val)) {
throw new BadRequestException('Validation failed');
}
return val;
}
}
// usage
@Get(':id')
async findOne(@Param('id', new ParseIntPipe()) id) {
return this.catsService.findOne(id);
}
@Get(':id')
findOne(@Param('id', UserByIdPipe) userEntity: UserEntity) {
return userEntity;
}
Puzzled Puffin