fase 5

frontend/node_modules/zustand/esm/react/shallow.mjs

@@ -0,0 +1,12 @@
+import React from 'react';
+import { shallow } from 'zustand/vanilla/shallow';
+
+function useShallow(selector) {
+  const prev = React.useRef(void 0);
+  return (state) => {
+    const next = selector(state);
+    return shallow(prev.current, next) ? prev.current : prev.current = next;
+  };
+}
+
+export { useShallow };