Merge pull request #5692 from xyflow/fix-exception-unmounting

Fix exception unmounting

.changeset/strong-suns-grow.md

@@ -0,0 +1,5 @@
+---
+'@xyflow/react': patch
+---
+
+Handle undefined node in mini map

packages/react/src/additional-components/MiniMap/MiniMapNodes.tsx

@@ -84,13 +84,18 @@ function NodeComponentWrapperInner<NodeType extends Node>({
   shapeRendering: string;
 }) {
   const { node, x, y, width, height } = useStore((s) => {
-    const { internals } = s.nodeLookup.get(id)!;
+    const node = s.nodeLookup.get(id);
-    const node = internals.userNode as NodeType;
+
-    const { x, y } = internals.positionAbsolute;
+    if (!node) {
-    const { width, height } = getNodeDimensions(node);
+      return { node: undefined, x: 0, y: 0, width: 0, height: 0 };
+    }
+
+    const userNode = node.internals.userNode as NodeType;
+    const { x, y } = node.internals.positionAbsolute;
+    const { width, height } = getNodeDimensions(userNode);
 
     return {
-      node,
+      node: userNode,
       x,
       y,
       width,