From 13de8370b5afa79b12dace370c32b1dfa1889e2a Mon Sep 17 00:00:00 2001
From: Cameron Dutro <camertron@gmail.com>
Date: Thu, 20 Jun 2024 14:07:13 -0700
Subject: [PATCH] Return early if tab or panel are undefined

---
 src/tab-container-element.ts | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/tab-container-element.ts b/src/tab-container-element.ts
index ebccbd9..2742175 100644
--- a/src/tab-container-element.ts
+++ b/src/tab-container-element.ts
@@ -362,6 +362,9 @@ export class TabContainerElement extends HTMLElement {
     const selectedTab = tabs[index]
     const selectedPanel = panels[index]
 
+    if (!selectedTab) return
+    if (!selectedPanel) return
+
     if (this.#setupComplete) {
       const cancelled = !this.dispatchEvent(
         new TabContainerChangeEvent('tab-container-change', {