From 58caf6a556ad852bb2db4551ddc446c6a666a58d Mon Sep 17 00:00:00 2001
From: Daniel Tschinder <231804+danez@users.noreply.github.com>
Date: Sat, 16 Apr 2022 18:53:36 +0000
Subject: [PATCH] fix: Improve minimal performance of code

---
 src/components/UncontrolledTabs.js | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/src/components/UncontrolledTabs.js b/src/components/UncontrolledTabs.js
index 5a1d808b3..44ef38ccd 100644
--- a/src/components/UncontrolledTabs.js
+++ b/src/components/UncontrolledTabs.js
@@ -207,15 +207,12 @@ const UncontrolledTabs = (props) => {
           determineCanUseActiveElement(environment);
         }
 
-        if (canUseActiveElement) {
+        const env =
+          environment || (typeof window !== 'undefined' ? window : undefined);
+        if (canUseActiveElement && env) {
           wasTabFocused = React.Children.toArray(child.props.children)
             .filter(isTab)
-            .some((tab, i) => {
-              const env =
-                environment ||
-                (typeof window !== 'undefined' ? window : undefined);
-              return env && env.document.activeElement === getTab(i);
-            });
+            .some((tab, i) => env.document.activeElement === getTab(i));
         }
 
         result = cloneElement(child, {