fix(core/validation-tooltip): prevent assignment/reading on null elem…

…ent (#1001)
siemens · Jan 15, 2024 · 813b882 · 813b882
1 parent 3b60034
commit 813b882
Showing 1 changed file with 6 additions and 4 deletions.
diff --git a/packages/core/src/components/validation-tooltip/validation-tooltip.tsx b/packages/core/src/components/validation-tooltip/validation-tooltip.tsx
@@ -67,15 +67,17 @@ export class ValidationTooltip {
   }
 
   get formElement() {
-    return this.inputElement.form;
+    return this.inputElement?.form;
   }
 
   get tooltipElement(): HTMLElement {
     return this.hostElement.shadowRoot.querySelector('.validation-tooltip');
   }
 
   private destroyAutoUpdate() {
-    this.tooltipElement.style.display = 'none';
+    if (this.tooltipElement) {
+      this.tooltipElement.style.display = 'none';
+    }
 
     if (this.autoUpdateCleanup) {
       this.autoUpdateCleanup();
@@ -187,8 +189,8 @@ export class ValidationTooltip {
     this.observer?.disconnect();
     this.destroyAutoUpdate();
 
-    this.formElement.removeEventListener('submit', this.onSubmitBind);
-    this.inputElement.removeEventListener('focus', this.onInputFocusBind);
+    this.formElement?.removeEventListener('submit', this.onSubmitBind);
+    this.inputElement?.removeEventListener('focus', this.onInputFocusBind);
   }
 
   @Watch('isInputValid')