From 0311535e122a2f2b93e726627aa62c3b83daeafc Mon Sep 17 00:00:00 2001
From: Dominik Haentsch <dominik.haentsch@gmail.com>
Date: Tue, 26 Sep 2023 16:17:22 +0200
Subject: [PATCH] feat: fix legend rendering error for `null` category

---
 src/components/shared/Plot/Legend/CategoricalLegend.tsx | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/components/shared/Plot/Legend/CategoricalLegend.tsx b/src/components/shared/Plot/Legend/CategoricalLegend.tsx
index e779bc57..0d37bd5e 100644
--- a/src/components/shared/Plot/Legend/CategoricalLegend.tsx
+++ b/src/components/shared/Plot/Legend/CategoricalLegend.tsx
@@ -69,6 +69,8 @@ export const CategoricalTransferFunctionLegend: React.FunctionComponent<
         const map = transferFunction.domain.map((v) => {
             const label = isCategorical(transferFunction.dType)
                 ? transferFunction.dType.invertedCategories[v] ?? 'None'
+                : v === null
+                ? 'null'
                 : v.toString();
             return { label, color: transferFunction(v) };
         });