1 files changed, 26 insertions, 0 deletions

diff --git a/static/script.js b/static/script.js
new file mode 100644
index 0000000..ece93e8
--- /dev/null
+++ b/static/script.js
@@ -0,0 +1,26 @@
+'use strict';
+
+//
+
+document.querySelectorAll('.is-indeterminate').forEach(el => el.indeterminate = true);
+
+//
+
+const enableFocusIndicator = e => {
+    if (e.key !== 'Tab') {
+        return;
+    }
+
+    document.body.classList.add('t-keyboard');
+    document.removeEventListener('keydown', enableFocusIndicator);
+    document.addEventListener('mousedown', disableFocusIndicator);
+}
+
+const disableFocusIndicator = e => {
+    document.body.classList.remove('t-keyboard');
+
+    document.removeEventListener('mousedown', disableFocusIndicator);
+    document.addEventListener('keydown', enableFocusIndicator);
+}
+
+document.addEventListener('keydown', enableFocusIndicator);