Initial commit: Wallet App - FastAPI backend with React frontend for personal finance tracking

frontend/node_modules/@mui/utils/esm/usePreviousProps/usePreviousProps.js

@@ -0,0 +1,11 @@
+'use client';
+
+import * as React from 'react';
+const usePreviousProps = value => {
+  const ref = React.useRef({});
+  React.useEffect(() => {
+    ref.current = value;
+  });
+  return ref.current;
+};
+export default usePreviousProps;