go-ethereum/src/components/UI/docs/LinksList.tsx

import { FC } from 'react';
import { Link, Stack, Text } from '@chakra-ui/react';
import NextLink from 'next/link';
import { useRouter } from 'next/router';

import { NavLink } from '../../../types';

interface LinksListProps {
  links: NavLink[];
}

export const LinksList: FC<LinksListProps> = ({ links }) => {
  const router = useRouter();
  const { slug } = router.query;
  return (
    <Stack px={4}>
      {links.map(({ id, to, items }) => {
        const split = to?.split('/')
        const isActive = slug && split && split[split.length - 1] === slug[slug.length - 1];
        return to ? (
          <Stack key={id} pb={items ? 6 : 0} _hover={{ background: 'primary', color: 'bg' }} data-group>
            <NextLink href={to} passHref key={id}>
              <Link textDecoration='none !important'>
                <Text
                  textStyle='docs-nav-links'
                  color={items || isActive ? 'primary' : 'body'}
                  _before={{
                    content: '"■"',
                    verticalAlign: '-1.25px',
                    marginInlineEnd: 2,
                    fontSize: 'lg',
                    display: isActive ? 'unset' : 'none',
                  }}
                  _groupHover={{
                    color: 'bg',
                    boxShadow: '0 0 0 var(--chakra-space-2) var(--chakra-colors-primary)',
                    
                  }}
                >
                  {id}
                </Text>
              </Link>
            </NextLink>
            {items && <LinksList links={items} />}
          </Stack>
        ) : (
          <Stack key={id} pb={6}>
            <Text textStyle='docs-nav-links' color={items ? 'primary' : 'body'}>
              {id}
            </Text>
            {items && <LinksList links={items} />}
          </Stack>
        );
      })}
    </Stack>
  );
};