From fac5707594f4e6774975f3d8411dd80c8fe2862e Mon Sep 17 00:00:00 2001
From: mehmet-erim <bilgi@mehmeterim.com>
Date: Tue, 23 Mar 2021 18:01:59 +0300
Subject: [PATCH] resolve beforeunload event problem with abp-modal

---
 .../theme-shared/src/lib/components/modal/modal.component.ts  | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/npm/ng-packs/packages/theme-shared/src/lib/components/modal/modal.component.ts b/npm/ng-packs/packages/theme-shared/src/lib/components/modal/modal.component.ts
index c5829c8e79..d1414d0272 100644
--- a/npm/ng-packs/packages/theme-shared/src/lib/components/modal/modal.component.ts
+++ b/npm/ng-packs/packages/theme-shared/src/lib/components/modal/modal.component.ts
@@ -193,10 +193,10 @@ export class ModalComponent implements OnDestroy {
     fromEvent(window, 'beforeunload')
       .pipe(takeUntil(this.destroy$))
       .subscribe(event => {
-        if (this.isFormDirty) {
+        event.preventDefault();
+        if (this.isFormDirty && !this.suppressUnsavedChangesWarning) {
           event.returnValue = true;
         } else {
-          event.returnValue = false;
           delete event.returnValue;
         }
       });