Fixed #10719 issue where error is thrown when the label is set to an …

…async pipe value
primefaces · Oct 7, 2021 · 38d5bf0 · 38d5bf0
1 parent 56075a2
commit 38d5bf0
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/src/app/components/button/button.ts b/src/app/components/button/button.ts
@@ -81,7 +81,10 @@ export class ButtonDirective implements AfterViewInit, OnDestroy {
             DomHandler.addClass(iconElement, iconPosClass);
         }
 
-        DomHandler.addMultipleClasses(iconElement, this.getIconClass());
+        let iconClass = this.getIconClass();
+        if(iconClass) {
+            DomHandler.addMultipleClasses(iconElement, iconClass);
+        }
         let labelEl = DomHandler.findSingle(this.el.nativeElement, '.p-button-label')
 
         if (labelEl)