From 7d6224979f0213cb531c2a9fa13e8ecd4b589056 Mon Sep 17 00:00:00 2001
From: Go MAEDA <maeda@farend.jp>
Date: Tue, 16 Sep 2025 23:41:08 +0000
Subject: [PATCH] Reduce requests for issue ID, username, and Wiki page name
 autocomplete with debounce (#43208).

Patch by Katsuya HIDAKA (user:hidakatsuya).


git-svn-id: https://svn.redmine.org/redmine/trunk@23978 e93f8b46-1217-0410-a6f0-8f06a7374b81
---
 app/assets/javascripts/application-legacy.js | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/app/assets/javascripts/application-legacy.js b/app/assets/javascripts/application-legacy.js
index 917cf9b0a..d73fe440b 100644
--- a/app/assets/javascripts/application-legacy.js
+++ b/app/assets/javascripts/application-legacy.js
@@ -1257,7 +1257,17 @@ function inlineAutoComplete(element) {
       }
     }
 
-    const remoteSearch = function(url, cb) {
+    const debounce = function(func, delay) {
+      let timeout;
+
+      return function(...args) {
+        const context = this;
+        clearTimeout(timeout);
+        timeout = setTimeout(() => func.apply(context, args), delay);
+      };
+    }
+
+    const remoteSearch = debounce((url, cb) => {
       const xhr = new XMLHttpRequest();
       xhr.onreadystatechange = function ()
       {
@@ -1272,7 +1282,7 @@ function inlineAutoComplete(element) {
       };
       xhr.open("GET", url, true);
       xhr.send();
-    };
+    }, 200);
 
     const tribute = new Tribute({
       collection: [