Nextjs React Bootstrap Sweetalert

import React from 'react';
// react component used to create sweet alerts
import SweetAlert from "react-bootstrap-sweetalert";
// material-ui components
import { makeStyles } from "@material-ui/core/styles";
// core components
import Button from "components/CustomButtons/Button.js";
// styles for buttons on sweetalert
import styles from "assets/jss/nextjs-material-dashboard-pro/views/sweetAlertStyle.js";

const useStyles = makeStyles(styles);

const sweetAlertStyle = { display: "block", marginTop: "-100px" }

export default function SweetAlertDemo(){
  const classes = useStyles();
  const [alert,setAlert] = React.useState(null);
  const hideAlert = () => {
    setAlert(null);
  }
  const successAlert = () => {
    setAlert(
      <SweetAlert
        success
        style={ sweetAlertStyle }
        title="Good job!"
        onConfirm={() => this.hideAlert()}
        onCancel={() => this.hideAlert()}
        confirmBtnCssClass={
          classes.button + " " + classes.success
        }
      >
        You clicked the button!
      </SweetAlert>
    );
  }
  return (
    <div>
      {this.state.alert}
      <Button color="rose" onClick={this.successAlert.bind(this)}>
        Try me!
      </Button>
    </div>
  );
}