From 77fa4787bd26b5193a5cc72226c1a3469f91ba11 Mon Sep 17 00:00:00 2001
From: gemmaro <gemmaro.dev@gmail.com>
Date: Sat, 24 Sep 2022 23:29:51 +0900
Subject: [ruby/rdoc] Add keydown event listener to focus on search field

https://github.com/ruby/rdoc/commit/db62e47df2
---
 lib/rdoc/generator/template/darkfish/js/darkfish.js | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'lib/rdoc/generator/template/darkfish/js/darkfish.js')

diff --git a/lib/rdoc/generator/template/darkfish/js/darkfish.js b/lib/rdoc/generator/template/darkfish/js/darkfish.js
index d0c9467751..19a85c54e1 100644
--- a/lib/rdoc/generator/template/darkfish/js/darkfish.js
+++ b/lib/rdoc/generator/template/darkfish/js/darkfish.js
@@ -78,7 +78,20 @@ function hookSearch() {
   search.scrollIntoView = search.scrollInWindow;
 };
 
+function hookFocus() {
+  document.addEventListener("keydown", (event) => {
+    if (document.activeElement.tagName === 'INPUT') {
+      return;
+    }
+    if (event.key === "/") {
+      event.preventDefault();
+      document.querySelector('#search-field').focus();
+    }
+  });
+}
+
 document.addEventListener('DOMContentLoaded', function() {
   hookSourceViews();
   hookSearch();
+  hookFocus();
 });
-- 
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