fix: pathname parsing

Author: marco-souza

src/components/HeaderLink.astro

@@ -4,9 +4,10 @@ import type { HTMLAttributes } from 'astro/types';
 type Props = HTMLAttributes<'a'>;
 
 const { href, class: className, ...props } = Astro.props;
-const pathname = Astro.url.pathname.replace(import.meta.env.BASE_URL, '');
+const pathname = Astro.url.pathname.replace(import.meta.env.BASE_URL, '').replace(/\/$/, '') || '/';
+const hrefNormalized = href.replace(/\/$/, '') || '/';
 const subpath = pathname.match(/[^/]+/g);
-const isActive = href === pathname || href === `/${subpath?.[0] ?? ''}`;
+const isActive = hrefNormalized === pathname || hrefNormalized === `/${subpath?.[0] ?? ''}`;
 ---
 
 <a