Ajout traque-app

traque-app/hook/useLocalStorage.jsx

@@ -0,0 +1,34 @@
+import AsyncStorage from '@react-native-async-storage/async-storage';
+import { useEffect, useState } from "react";
+
+export function useLocalStorage(key, initialValue) {
+    const [storedValue, setStoredValue] = useState(initialValue);
+    const [loading, setLoading] = useState(true);
+
+    useEffect(() => {
+        async function fetchData() {
+            try {
+                const item = await AsyncStorage.getItem(key);
+                setStoredValue(item ? JSON.parse(item) : initialValue);
+            } catch (error) {
+                console.log(error);
+            }
+            setLoading(false);
+        }
+        fetchData();
+    }, []);
+
+    const setValue = async value => {
+        try {
+            setLoading(true);
+            const valueToStore = value instanceof Function ? value(storedValue) : value;
+            setStoredValue(valueToStore);
+            await AsyncStorage.setItem(key, JSON.stringify(valueToStore));
+            setLoading(false);
+        } catch (error) {
+            console.log(error);
+        }
+    }
+
+    return [storedValue, setValue, loading];
+}