flat: 暂存

src/models/testModel.ts

@@ -0,0 +1,11 @@
+// src/models/counterModel.ts
+import { useCallback, useState } from 'react';
+
+export default function Page() {
+  const [counter, setCounter] = useState(0);
+
+  const increment = useCallback(() => setCounter((c) => c + 1), []);
+  const decrement = useCallback(() => setCounter((c) => c - 1), []);
+
+  return { counter, increment, decrement };
+}