From 9caa7b67a0d0f15b2e684bdb4fb65eee005ed08e Mon Sep 17 00:00:00 2001
From: Dirk Heilig <heilig@adesso-mobile.de>
Date: Tue, 9 Jan 2024 13:24:44 +0100
Subject: [PATCH] add external link indicator

---
 themes/hugo-theme-flat/static/css/style.css       | 7 ++++++-
 themes/hugo-theme-flat/static/js/href_handling.js | 2 ++
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/themes/hugo-theme-flat/static/css/style.css b/themes/hugo-theme-flat/static/css/style.css
index 4a16ddb..b019cd4 100644
--- a/themes/hugo-theme-flat/static/css/style.css
+++ b/themes/hugo-theme-flat/static/css/style.css
@@ -120,7 +120,6 @@ html {
 /**************************************************************/
 /* approximately set up the layout of header, footer and main */
 /**************************************************************/
-
 body {
   display: flex;
   flex-direction: column;
@@ -139,6 +138,12 @@ body {
   margin-bottom: var(--len-5);
 }
 
+a.external:after{
+  /*edd external icon to external link as :after with unicode symbol*/
+  content: "⮺";
+
+}
+
 .main-wrapper { display: flex; flex-wrap: wrap; }
 .main-wrapper > * { height: fit-content; }
 
diff --git a/themes/hugo-theme-flat/static/js/href_handling.js b/themes/hugo-theme-flat/static/js/href_handling.js
index ebff720..1704170 100644
--- a/themes/hugo-theme-flat/static/js/href_handling.js
+++ b/themes/hugo-theme-flat/static/js/href_handling.js
@@ -11,8 +11,10 @@ document.querySelectorAll('a').forEach(function(element) {
         link.setAttribute('href', prefetchUrl);
         link.setAttribute('as', 'document');
         document.head.appendChild(link);
+        element.classList.add("internal");
     }else {
         element.setAttribute("target", "_blank");
+        element.classList.add("external");
     }
 })
 });
\ No newline at end of file