docbrown/app/javascript/sidebar-widget/sidebarUser.jsx

import { h } from 'preact';
import PropTypes from 'prop-types';
import { userPropTypes } from '../common-prop-types';

export const SidebarUser = ({ followUser, user }) => {
  const onClick = () => {
    followUser(user);
  };

  return (
    <div className="widget-list-item__suggestions">
      <a
        data-testid="widget-avatar"
        href={`/${user.username}`}
        className="widget-list-item__avatar"
      >
        <img
          src={user.profile_image_url}
          alt={user.name}
          className="widget-list-item__profile-pic"
        />
      </a>
      <div data-testid="widget-content" className="widget-list-item__content">
        <h5>
          <a href={`/${user.username}`}>{user.name}</a>
        </h5>
        <button
          data-testid="widget-follow-button"
          className="widget-list-item__follow-button"
          type="button"
          onClick={onClick}
          id={`widget-list-item__follow-button-${user.username}`}
        >
          {user.following ? 'Following' : 'Follow'}
        </button>
      </div>
    </div>
  );
};

SidebarUser.propTypes = {
  followUser: PropTypes.func.isRequired,
  user: PropTypes.objectOf(userPropTypes).isRequired,
};