slim-function.js

import { validateParameters } from './utils';
import { checkUsernameExists, checkEmailExists } from './users';
import { insertUser } from './users/db';

export const createNewAccount = async (params) => {
  await validateParameters(params);
  await checkUsernameExists(params.username);
  await checkEmailExists(params.email);
  
  return insertUser(params);
}