javascript source code of index

import React from 'react';
import { useAuth0 } from '@auth0/auth0-react';
import { Nav, OverlayTrigger, Tooltip } from 'react-bootstrap';
import { FontAwesomeIcon } from '@fortawesome/react-fontawesome';
import { faSignInAlt } from '@fortawesome/free-solid-svg-icons';

const LoginLink = () => {
  const { loginWithRedirect } = useAuth0();
  return (
    <OverlayTrigger
      placement="bottom"
      overlay={<Tooltip id="tooltip-login">Log In</Tooltip>}
    >
      <Nav.Link onClick={() => loginWithRedirect()}>
        <FontAwesomeIcon icon={faSignInAlt} size="lg" />
      </Nav.Link>
    </OverlayTrigger>
  );
};

export default LoginLink;