From fbc9f0c38af89ca34a7cc10aa6eaf0a906362897 Mon Sep 17 00:00:00 2001
From: Ali Unwala <aliunwala@ibm.com>
Date: Thu, 10 Sep 2020 17:34:36 -0500
Subject: [PATCH] fix: Adding a cleanup function to add a removeEventListener
 to prevent hangs while pressing ESC

---
 .../src/components/GlobalSearch/GlobalSearch.js       | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/packages/gatsby-theme-carbon/src/components/GlobalSearch/GlobalSearch.js b/packages/gatsby-theme-carbon/src/components/GlobalSearch/GlobalSearch.js
index 68af4c8e2..77ac61f48 100644
--- a/packages/gatsby-theme-carbon/src/components/GlobalSearch/GlobalSearch.js
+++ b/packages/gatsby-theme-carbon/src/components/GlobalSearch/GlobalSearch.js
@@ -79,12 +79,19 @@ const GlobalSearchInput = () => {
   );
 
   useEffect(() => {
-    document.addEventListener('keyup', function(e){ 
+    var collapseOpenNavs = function(e){ 
       if(e.which == 27){
         toggleNavState('switcherIsOpen', 'close');
         toggleNavState('searchIsOpen', 'close');
       }  
-    })
+    };
+
+    document.addEventListener('keyup',collapseOpenNavs)
+    
+    return function cleanup(){
+      document.removeEventListener('keyup', collapseOpenNavs)
+    };
+  
   })
 
   useEffect(() => {