From 5b4a7756dffe92e12d383c0c2618e4fdfd8f24d2 Mon Sep 17 00:00:00 2001
From: Martin Dragnev <mddragnev@gmail.com>
Date: Tue, 11 Aug 2026 15:11:00 +0300
Subject: [PATCH] fix(grid): ensure resize observer is only created if
 available in ssr

---
 .../directives/src/directives/for-of/for_of.directive.ts     | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/projects/igniteui-angular/directives/src/directives/for-of/for_of.directive.ts b/projects/igniteui-angular/directives/src/directives/for-of/for_of.directive.ts
index 0be2a2fae96..94aed0de865 100644
--- a/projects/igniteui-angular/directives/src/directives/for-of/for_of.directive.ts
+++ b/projects/igniteui-angular/directives/src/directives/for-of/for_of.directive.ts
@@ -1675,7 +1675,10 @@ export class IgxGridForOfDirective<T, U extends T[] = T[]> extends IgxForOfDirec
         super.ngOnInit();
         this.removeScrollEventListeners();
         const destructor = takeUntil<any>(this.destroy$);
-        this.viewObserver = new (getResizeObserver())((entries: ResizeObserverEntry[]) => this.viewResizeNotify.next(entries));
+        const resizeObserver = getResizeObserver();
+        if (resizeObserver) {
+            this.viewObserver = new resizeObserver((entries: ResizeObserverEntry[]) => this.viewResizeNotify.next(entries));
+        }
         this.viewResizeNotify.pipe(
             filter(() => this.igxForContainerSize && this.igxForOf && this.igxForOf.length > 0),
             destructor