From 360868d4e69c599a4aea0da2a426784a4831ebf1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=87etin?=
 <69278826+cetincakiroglu@users.noreply.github.com>
Date: Mon, 25 Sep 2023 16:11:59 +0300
Subject: [PATCH] Fixes #13734 - Add missing class to prevent scroll

---
 src/app/components/blockui/blockui.ts | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/app/components/blockui/blockui.ts b/src/app/components/blockui/blockui.ts
index 218d2572a81..03668b102cc 100755
--- a/src/app/components/blockui/blockui.ts
+++ b/src/app/components/blockui/blockui.ts
@@ -107,6 +107,8 @@ export class BlockUI implements AfterViewInit, OnDestroy {
             this.target.getBlockableElement().style.position = 'relative';
         } else {
             this.renderer.appendChild(this.document.body, (this.mask as ElementRef).nativeElement);
+            DomHandler.addClass(this.document.body, 'p-overflow-hidden');
+            this.document.body.style.setProperty('--scrollbar-width', DomHandler.calculateScrollbarWidth() + 'px');
         }
 
         if (this.autoZIndex) {
@@ -124,9 +126,11 @@ export class BlockUI implements AfterViewInit, OnDestroy {
     destroyModal() {
         this._blocked = false;
         if (this.mask) {
-            DomHandler.removeClass(this.mask.nativeElement, 'p-component-overlay-leave');
             ZIndexUtils.clear(this.mask.nativeElement);
-            this.renderer.appendChild(this.el.nativeElement, this.mask.nativeElement);
+            DomHandler.removeClass(this.mask.nativeElement, 'p-component-overlay-leave');
+            this.renderer.removeChild(this.el.nativeElement, this.mask.nativeElement);
+            DomHandler.removeClass(this.document.body, 'p-overflow-hidden');
+            this.document.body.style.removeProperty('--scrollbar-width');
         }
         this.unbindAnimationEndListener();
         this.cd.markForCheck();