refactor(packages): change package structure

packages/react/src/hooks/useOnSelectionChange.ts

@@ -0,0 +1,18 @@
+import { useEffect } from 'react';
+
+import { useStoreApi } from './useStore';
+import type { OnSelectionChangeFunc } from '../types';
+
+export type UseOnSelectionChangeOptions = {
+  onChange?: OnSelectionChangeFunc;
+};
+
+function useOnSelectionChange({ onChange }: UseOnSelectionChangeOptions) {
+  const store = useStoreApi();
+
+  useEffect(() => {
+    store.setState({ onSelectionChange: onChange });
+  }, [onChange]);
+}
+
+export default useOnSelectionChange;