cambiar links externos

_layouts/default.html

@@ -44,5 +44,11 @@
     <footer>
       {{ site.i18n.footer.attribution | markdownify }}
     </footer>
+
+    <script type="text/javascript">
+      document.addEventListener('turbolinks:load', () => {
+        document.querySelectorAll("a[href^='http://'], a[href^='https://'], a[href^='//']").forEach(a => a.target = '_blank');
+      });
+    </script>
   </body>
 </html>

_sass/custom.scss

@@ -70,3 +70,12 @@ blockquote {
 	border-left: solid;
 	p { margin: 0; }
 }
+
+
+a {
+  &[target=_blank] {
+    &:after {
+      content: url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAwAAAAMCAYAAABWdVznAAAAV0lEQVR4Xq2QwQ2AAAwC3cmd2Kk7sRP64CEJ9qOX8OPatMc/QKppnEPhTmJh23CLiwAqIw21CybKQ28qQi37WGFYBJcwfJQpP8LlEHKyZMF0IdmF13zlAjZ/6H4wb+mUAAAAAElFTkSuQmCC');
+    }
+  }
+}