From aa88f540691f88ffa820ab2401ee3cbc42f96bc0 Mon Sep 17 00:00:00 2001
From: Jose Quintas <juniorquintas@gmail.com>
Date: Wed, 15 May 2024 10:26:06 +0200
Subject: [PATCH] Fix getBarLabel return undefined

---
 packages/x-charts/src/BarChart/BarLabel/getBarLabel.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/x-charts/src/BarChart/BarLabel/getBarLabel.ts b/packages/x-charts/src/BarChart/BarLabel/getBarLabel.ts
index 8f88553340775..14e612a42f25c 100644
--- a/packages/x-charts/src/BarChart/BarLabel/getBarLabel.ts
+++ b/packages/x-charts/src/BarChart/BarLabel/getBarLabel.ts
@@ -8,7 +8,7 @@ export const getBarLabel = (options: {
   seriesId: SeriesId;
   height: number;
   width: number;
-}): string | null => {
+}): string | null | undefined => {
   const { barLabel, value, dataIndex, seriesId, height, width } = options;
 
   if (barLabel === 'value') {