ZodSerializerDto is not working with array schema

[Xayrulloh]

I was using ZodSerializerDto decorator and when it comes to array schema like z.array(schema) or schema.array it is throwing an error like

Firstly I didn't know that it because of ZodSerializerDto so I checked the output with schema.parse(response) and it didn't throw any error.

Until it fixes I'll create and use interceptor

import {
  Injectable,
  NestInterceptor,
  ExecutionContext,
  CallHandler,
  InternalServerErrorException,
  Logger,
} from '@nestjs/common';
import { Observable } from 'rxjs';
import { map } from 'rxjs/operators';
import { ZodSchema } from 'zod';

@Injectable()
export class ZodValidationInterceptor<T> implements NestInterceptor {
  constructor(private schema: ZodSchema<T>) {}

  intercept(context: ExecutionContext, next: CallHandler): Observable<T> {
    return next.handle().pipe(
      map((data) => {
        const result = this.schema.safeParse(data);

        if (!result.success) {
          Logger.error(result.error)

          throw new InternalServerErrorException('Oops something went wrong');
        }

        return result.data;
      }),
    );
  }
}

interceptor code

you should call it as

@UseInterceptors(new ZodValidationInterceptor(YOUR_SCHEMA))

[maxijonson]

Related to #89 , though I would like to see this use-case fixed.