fix: Customized component has no key (#2637)

recharts · Sep 18, 2021 · 6f2551e · 6f2551e
1 parent f5b8414
commit 6f2551e
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/chart/generateCategoricalChart.tsx b/src/chart/generateCategoricalChart.tsx
@@ -1994,8 +1994,9 @@ export const generateCategoricalChart = ({
       return [graphicalItem, null];
     };
 
-    renderCustomized = (element: React.ReactElement): React.ReactElement =>
+    renderCustomized = (element: React.ReactElement, displayName: string, index: number): React.ReactElement =>
       cloneElement(element, {
+        key: `recharts-customized-${index}`,
         ...this.props,
         ...this.state,
       });