move inline JS to its own file

2 files changed, 30 insertions, 34 deletions

diff --git a/layouts/_default/baseof.html b/layouts/_default/baseof.html
index 52a6767..7a5579d 100644
--- a/layouts/_default/baseof.html
+++ b/layouts/_default/baseof.html
@@ -34,38 +34,6 @@
 
 </body>
 
-<script>
-
-  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();
-
-</script>
-
+<script src="{{ "js/theme-switch.js" | relURL }}"></script>
 <script defer src="{{ "js/copy-code.js" | relURL }}"></script>
-</html>
\ No newline at end of file
+</html>
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();