helpers.ts

import { HttpException } from '@nestjs/common';

export function handleError(err, defaultErr) {
  if (err instanceof HttpException) {
    throw err;
  } else {
    if (err && err.error) {
      const error = JSON.parse(err.error);
      throw new HttpException(error.message, err.statusCode);
    } else {
      throw defaultErr;
    }
  }
}