i dont know

src/App.jsx

@@ -1,34 +1,33 @@
-import React, { useMemo, useCallback, useState } from 'react'
+import { useMutation, QueryClientProvider, QueryClient } from '@tanstack/react-query'
+import PostAddForm from './components/PostAddForm'
 
-const TodoItem = React.memo(({ item, onToggle, onDelete }) => {
+/*
-    console.log(`rendred ${item.id}`);
+const mutation = useMutation({
-    return <li>
+    mutationFn: newUser => {
-            {item.name}
+        fetch('https://jsonplaceholder.typicode.com/users', {
-            <button onClick={() => onToggle(item.id)}>Done</button>
+            method: 'GET',
-            <button onClick={() => onDelete(item.id)}>remove</button>
+            headers: {'Content-type':'application/json'},
-        </li>
+            body: JSON.stringify(newUser),
+        }).then(res => res.json())
+    }
 })
+*/
 
-function ItemList({ items }) {
+const createQueryClient = () => {
-
+    new QueryClient({
-    const handleToggle = useCallback(id => {
+        defaultOptions: {
-        items.done = true;
+            queries: {
-        console.log(`Item ${id} done`)
+                staleTime: 5 * 60*1000,
-        console.log(id)
+                retry: 1,
-    },[]);
+                gcTime: 10*60*1000,
-    
+                refetchOnWindowFocus: false,
-    const handleDelete = useCallback(id => {
+            },
-        items.pop(id);
+            mutations: {
-    },[]);
+                retry:0,
-    return (
+                onError: error => {console.error('Mutation error:',error.message)}
-        <>
+            }
-            <h3>List items</h3>
+        }
-            {items.map(item => (
+    })
-             <TodoItem key={item.id} item={item}
-              onToggle={handleToggle} onDelete={handleDelete} />
-             ))}
-        </>
-    )
 }
 
 function App() {
@@ -36,10 +35,10 @@ function App() {
 		<>
 			{/* Добавьте тестовый контент для проверки */}
 			<h1>Hello, React!</h1>
-            <ItemList items={[
+        <QueryClientProvider client={createQueryClient}>
-                {id:1,name:'Первый',done:false},
+            <PostAddForm />
-                {id:2,name:'Второй',done:false}
+        </QueryClientProvider>
-            ]} />
+            
 		</>
 	)
 }

src/main.jsx

@@ -4,5 +4,7 @@ import { createRoot } from 'react-dom/client'
 import App from './App.jsx'
 
 createRoot(document.getElementById('root')).render(
+	<StrictMode>
 		<App />
+	</StrictMode>
 )