1 files changed, 21 insertions, 0 deletions
diff --git a/code/frontpage/assets/js/darkmode-init.js b/code/frontpage/assets/js/darkmode-init.js
new file mode 100644
index 0000000..0f3508d
--- /dev/null
+++ b/code/frontpage/assets/js/darkmode-init.js
@@ -0,0 +1,21 @@
+const globalDark = window.matchMedia && window.matchMedia('(prefers-color-scheme: dark)').matches;
+const localMode = localStorage.getItem('theme');
+
+if (globalDark && (localMode === null)) {
+
+  localStorage.setItem('theme', 'dark');
+  document.documentElement.setAttribute('data-dark-mode', '');
+
+}
+
+if (globalDark && (localMode === 'dark')) {
+
+  document.documentElement.setAttribute('data-dark-mode', '');
+
+}
+
+if (localMode === 'dark') {
+
+  document.documentElement.setAttribute('data-dark-mode', '');
+
+}