project-codepen/src/actions/actionFullRegister.js

import { actionReg } from "./actionReg";
import { actionFullLogin } from "./actionFullLogin";

export const actionFullRegister = (login, password) => async(dispatch) => {
    let result = await dispatch(actionReg(login, password))
    if(result?.data?.createUser !== null) {
        dispatch(actionFullLogin(login, password))
    } else {
        alert('Such a user already exists!')
    };
};