Give option to specify _self open link

Author: nghtctrl

src/components/Link.astro

@@ -1,11 +1,18 @@
 ---
-const { url } = Astro.props;
+interface Props {
+  url: string;
+  self?: boolean;
+}
+
+const { url, self } = Astro.props;
+const target = self ? '_self' : '_blank';
 ---
 
 <a
   href={url}
-  target='_blank'
-  rel='noopener noreferrer'
+  target={target}
+  rel={target === '_blank' ? 'noopener noreferrer' : undefined}
   class='not-prose font-normal text-blue-800 hover:text-blue-700 dark:text-blue-300 dark:hover:text-blue-200'
-  ><slot /></a
 >
+  <slot />
+</a>