From a05a5b2704eec66e84c4fc3045127e354cf38e1a Mon Sep 17 00:00:00 2001
From: Ole Mussmann <gitlab+account@ole.mn>
Date: Thu, 20 Feb 2025 20:59:17 +0100
Subject: move inline JS to its own file

---
 static/js/theme-switch.js | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 static/js/theme-switch.js

(limited to 'static/js/theme-switch.js')

diff --git a/static/js/theme-switch.js b/static/js/theme-switch.js
new file mode 100644
index 0000000..a617fda
--- /dev/null
+++ b/static/js/theme-switch.js
@@ -0,0 +1,28 @@
+function isAuto() {
+  return document.body.classList.contains("auto");
+}
+
+function setTheme() {
+  if (!isAuto()) {
+    return
+  }
+
+  document.body.classList.remove("auto");
+  let cls = "light";
+  if (window.matchMedia && window.matchMedia('(prefers-color-scheme: dark)').matches) {
+    cls = "dark";
+  }
+
+  document.body.classList.add(cls);
+}
+
+function invertBody() {
+  document.body.classList.toggle("dark");
+  document.body.classList.toggle("light");
+}
+
+if (isAuto()) {
+  window.matchMedia('(prefers-color-scheme: dark)').addListener(invertBody);
+}
+
+setTheme();
-- 
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