From 4b6b3ca481249a6d69868d2c9d3c664714461045 Mon Sep 17 00:00:00 2001
From: Matas Lauzadis <lauzmata@amazon.com>
Date: Mon, 29 Jul 2024 12:54:06 -0400
Subject: [PATCH] Only register event listeners once

---
 docs/dokka-presets/scripts/accessibility.js | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/docs/dokka-presets/scripts/accessibility.js b/docs/dokka-presets/scripts/accessibility.js
index 17e17b1614f..3b84d659424 100644
--- a/docs/dokka-presets/scripts/accessibility.js
+++ b/docs/dokka-presets/scripts/accessibility.js
@@ -71,6 +71,10 @@ function ensureNavButtonInteractable() {
     const navButtons = document.querySelectorAll('.navButton');
 
     navButtons.forEach(function(navButton) {
+        if (navButton.hasAttribute('aria-expanded')) {
+            return;
+        }
+
         // Make the navButton focusable, add accessibility information
         navButton.setAttribute('tabindex', '0');
         navButton.setAttribute('role', 'button');
@@ -95,7 +99,9 @@ function ensureNavButtonInteractable() {
 
         // Update aria-expanded attribute on click
         navButton.addEventListener('click', function() {
+            console.log("navButton aria-expanded: " + navButton.getAttribute('aria-expanded'))
             const isExpanded = navButton.getAttribute('aria-expanded') === 'true';
+            console.log("navButton isExpanded: " + isExpanded)
             navButton.setAttribute('aria-expanded', (!isExpanded).toString());
         });
     });