From 5431639ce26b8412fb7241d90e5c3ad8cec94b70 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Benjamin=20L=C3=B6rincz?=
 <benjaminloerincz@users.noreply.github.com>
Date: Mon, 1 May 2023 16:17:04 +0200
Subject: [PATCH] added length to avoid error (#892)

check tabIds.length avoid error
---
 functional-samples/tutorial.tabs-manager/popup.js | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/functional-samples/tutorial.tabs-manager/popup.js b/functional-samples/tutorial.tabs-manager/popup.js
index cb2eb2c6..ed4d730b 100644
--- a/functional-samples/tutorial.tabs-manager/popup.js
+++ b/functional-samples/tutorial.tabs-manager/popup.js
@@ -46,6 +46,8 @@ document.querySelector('ul').append(...elements);
 const button = document.querySelector('button');
 button.addEventListener('click', async () => {
   const tabIds = tabs.map(({ id }) => id);
-  const group = await chrome.tabs.group({ tabIds });
-  await chrome.tabGroups.update(group, { title: 'DOCS' });
+  if (tabIds.length) {
+    const group = await chrome.tabs.group({ tabIds });
+    await chrome.tabGroups.update(group, { title: 'DOCS' });
+  }
 });