chore: setup monorepo using preconstruct

packages/core/src/hooks/useVisibleNodes.ts

@@ -0,0 +1,23 @@
+import { useCallback } from 'react';
+
+import { useStore } from '../store';
+import { getNodesInside } from '../utils/graph';
+
+import { ReactFlowState } from '../types';
+
+function useVisibleNodes(onlyRenderVisible: boolean) {
+  const nodes = useStore(
+    useCallback(
+      (s: ReactFlowState) => {
+        return onlyRenderVisible
+          ? getNodesInside(s.nodeInternals, { x: 0, y: 0, width: s.width, height: s.height }, s.transform, true)
+          : Array.from(s.nodeInternals.values());
+      },
+      [onlyRenderVisible]
+    )
+  );
+
+  return nodes;
+}
+
+export default useVisibleNodes;