From d664269598f55c9b1d9e23972f09c6f2c9718fdf Mon Sep 17 00:00:00 2001
From: Bram Kragten <mail@bramkragten.nl>
Date: Tue, 28 May 2024 11:51:42 +0200
Subject: [PATCH] review suggestion

---
 src/components/data-table/ha-data-table.ts | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/components/data-table/ha-data-table.ts b/src/components/data-table/ha-data-table.ts
index 92ccad596066..f40c4a9046de 100644
--- a/src/components/data-table/ha-data-table.ts
+++ b/src/components/data-table/ha-data-table.ts
@@ -736,7 +736,10 @@ export class HaDataTable extends LitElement {
   }
 
   public collapseAllGroups() {
-    if (!this.groupColumn) {
+    if (
+      !this.groupColumn ||
+      !this.data.some((item) => item[this.groupColumn!])
+    ) {
       return;
     }
     const grouped = groupBy(this.data, (item) => item[this.groupColumn!]);