From 6ec259a0e71174651bae95d4628138bf6fd68742 Mon Sep 17 00:00:00 2001
From: kj_sh604
Date: Sun, 15 Mar 2026 16:19:35 -0400
Subject: refactor: packages/

---
 packages/excalidraw/hooks/useStableCallback.ts | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 packages/excalidraw/hooks/useStableCallback.ts

(limited to 'packages/excalidraw/hooks/useStableCallback.ts')

diff --git a/packages/excalidraw/hooks/useStableCallback.ts b/packages/excalidraw/hooks/useStableCallback.ts
new file mode 100644
index 0000000..9920a73
--- /dev/null
+++ b/packages/excalidraw/hooks/useStableCallback.ts
@@ -0,0 +1,18 @@
+import { useRef } from "react";
+
+/**
+ * Returns a stable function of the same type.
+ */
+export const useStableCallback = <T extends (...args: any[]) => any>(
+  userFn: T,
+) => {
+  const stableRef = useRef<{ userFn: T; stableFn?: T }>({ userFn });
+  stableRef.current.userFn = userFn;
+
+  if (!stableRef.current.stableFn) {
+    stableRef.current.stableFn = ((...args: any[]) =>
+      stableRef.current.userFn(...args)) as T;
+  }
+
+  return stableRef.current.stableFn as T;
+};
-- 
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