From b248395cd68d7b745ccac49626ee5cf9a941bdcb Mon Sep 17 00:00:00 2001
From: lebaudantoine <lebaud.antoine131@gmail.com>
Date: Wed, 5 Mar 2025 19:03:06 +0100
Subject: [PATCH] =?UTF-8?q?=E2=9C=A8(frontend)=20introduce=20usePrevious?=
 =?UTF-8?q?=20utility=20hook?=
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Add new usePrevious utility hook to track previous values in functional
components. Enables comparing current and previous prop/state values across
renders for improved state management.
---
 src/frontend/src/hooks/usePrevious.ts | 9 +++++++++
 1 file changed, 9 insertions(+)
 create mode 100644 src/frontend/src/hooks/usePrevious.ts

diff --git a/src/frontend/src/hooks/usePrevious.ts b/src/frontend/src/hooks/usePrevious.ts
new file mode 100644
index 00000000..ff79f7e9
--- /dev/null
+++ b/src/frontend/src/hooks/usePrevious.ts
@@ -0,0 +1,9 @@
+import { useEffect, useRef } from 'react'
+
+export const usePrevious = <T>(value: T): T | undefined => {
+  const ref = useRef<T>()
+  useEffect(() => {
+    ref.current = value
+  }, [value])
+  return ref.current
+}