nestjs monogdb handel catch error

1import { ArgumentsHost, Catch, ConflictException, ExceptionFilter } from '@nestjs/common';
2import { MongoError } from 'mongodb';
3
4@Catch(MongoError)
5export class MongoExceptionFilter implements ExceptionFilter {
6  catch(exception: MongoError, host: ArgumentsHost) {
7    switch (exception.code) {
8      case 11000:
9        // duplicate exception
10        // do whatever you want here, for instance send error to client
11    }
12  }
13}
14