fix(button): add check for animationScheduler sub on destroy (#16734)

RivaIvanova · web-flow · commit 8dacc5dc733a · 2026-01-13T10:23:42.000+02:00
diff --git a/projects/igniteui-angular/src/lib/directives/button/button-base.ts b/projects/igniteui-angular/src/lib/directives/button/button-base.ts
@@ -120,7 +120,9 @@ export abstract class IgxButtonBaseDirective implements AfterViewInit, OnDestroy
     }
 
     public ngOnDestroy(): void {
-        this._animationScheduler.unsubscribe();
+        if (this._animationScheduler) {
+            this._animationScheduler.unsubscribe();
+        }
     }
 
     /**

Original file line number	Diff line number	Diff line change
`@@ -120,7 +120,9 @@ export abstract class IgxButtonBaseDirective implements AfterViewInit, OnDestroy`
`120`	`120`	`}`
`121`	`121`
`122`	`122`	`public ngOnDestroy(): void {`
`123`		`- this._animationScheduler.unsubscribe();`
	`123`	`+ if (this._animationScheduler) {`
	`124`	`+ this._animationScheduler.unsubscribe();`
	`125`	`+ }`
`124`	`126`	`}`
`125`	`127`
`126`	`128`	`/**`