From 6427844da3877f531baf66a112433a9fde32f518 Mon Sep 17 00:00:00 2001
From: djmil <andriy@djmil.dev>
Date: Fri, 10 Nov 2023 13:17:38 +0100
Subject: [PATCH] usePrevious hook

---
 webapp/src/hook/Previous.js | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 webapp/src/hook/Previous.js

diff --git a/webapp/src/hook/Previous.js b/webapp/src/hook/Previous.js
new file mode 100644
index 0000000..d3e03ca
--- /dev/null
+++ b/webapp/src/hook/Previous.js
@@ -0,0 +1,24 @@
+import { useRef, useEffect } from 'react';
+
+export default function usePrevious(value) {
+    const ref = useRef();
+    
+    useEffect(() => {
+        ref.current = value;
+    });
+
+    return ref.current;
+}
+
+/* Usage example
+
+const useLocationChange = (action) => {
+    const location = useLocation();
+    const prevLocation = usePrevious(location);
+
+    useEffect(() => { 
+        action(location, prevLocation);
+    }, [location]);
+}
+
+*/
\ No newline at end of file