From 66854933439dcde75cd3cf83f381e7ca2869603b 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 059443a4b27..003d79a2876 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
@@ -1677,7 +1677,10 @@ 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