From bce557cc2dc767628bed6aac87301a1be7c5431b Mon Sep 17 00:00:00 2001
From: rxliuli <rxliuli@gmail.com>
Date: Tue, 4 Nov 2025 05:03:50 +0800
Subject: init commit

---
 shared/components/src/actions/focus-node.ts | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 shared/components/src/actions/focus-node.ts

(limited to 'shared/components/src/actions/focus-node.ts')

diff --git a/shared/components/src/actions/focus-node.ts b/shared/components/src/actions/focus-node.ts
new file mode 100644
index 0000000..907f584
--- /dev/null
+++ b/shared/components/src/actions/focus-node.ts
@@ -0,0 +1,19 @@
+export default function focusNode(
+    node: HTMLElement,
+    focusedIndex: number | null,
+) {
+    const nodeIndex = Number(node.getAttribute('data-index'));
+
+    // Handle the initial focus when applicable
+    if (nodeIndex === focusedIndex) {
+        node.focus();
+    }
+
+    return {
+        update(newFocusedIndex) {
+            if (nodeIndex === newFocusedIndex) {
+                node.focus();
+            }
+        },
+    };
+}
-- 
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