From aaeec56a4d1ed973037dea12e51454f5b67e5aa4 Mon Sep 17 00:00:00 2001
From: Vladimir Potekhin <vladimir.potekh@gmail.com>
Date: Wed, 21 Aug 2024 16:44:51 +0300
Subject: [PATCH] fix(cdk): `ActiveZone` do not exit zone when scrollable
 container becomes non-scrollable

---
 projects/cdk/tokens/active-element.ts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/projects/cdk/tokens/active-element.ts b/projects/cdk/tokens/active-element.ts
index 863a498ff8f4a..294f17fe40b09 100644
--- a/projects/cdk/tokens/active-element.ts
+++ b/projects/cdk/tokens/active-element.ts
@@ -6,6 +6,7 @@ import {
     tuiCreateTokenFromFactory,
     tuiGetActualTarget,
     tuiGetDocumentOrShadowRoot,
+    tuiIsPresent,
 } from '@taiga-ui/cdk/utils';
 import {merge, Observable, of, timer} from 'rxjs';
 import {
@@ -78,6 +79,7 @@ export const TUI_ACTIVE_ELEMENT = tuiCreateTokenFromFactory<
                 isValidFocusout(tuiGetActualTarget(event), removedElement),
             ),
             map(([{relatedTarget}]) => relatedTarget),
+            filter(tuiIsPresent),
         ),
         blur$.pipe(
             map(() => doc.activeElement),