From bdee9cd3aaa5d78c468984e20499978b6b746864 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mateusz=20Gruszczy=C5=84ski?= <gru@macbook.net.r.local>
Date: Thu, 31 Jul 2025 22:08:06 +0200
Subject: [PATCH] fix w js

---
 static/js/user_expenses.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/static/js/user_expenses.js b/static/js/user_expenses.js
index f855eb1..b08592d 100644
--- a/static/js/user_expenses.js
+++ b/static/js/user_expenses.js
@@ -44,6 +44,7 @@ document.addEventListener("DOMContentLoaded", function () {
                                         position: 'top',
                                         labels: {
                                             filter: function(legendItem, chart) {
+                                                if (!chart.data || !Array.isArray(chart.data.datasets)) return false;
                                                 const dataset = chart.data.datasets[legendItem.datasetIndex];
                                                 if (!dataset || !Array.isArray(dataset.data)) return false;
                                                 return dataset.data.some(val => !!val);