i dont know

src/App.jsx

@@ -1,50 +1,44 @@
-import { useState, useReducer } from 'react'
+import { useMutation, QueryClientProvider, QueryClient } from '@tanstack/react-query'
+import PostAddForm from './components/PostAddForm'
 
-function counterReducer(state, action) {
+/*
-    switch (action.type) {
+const mutation = useMutation({
-        case 'increment':
+    mutationFn: newUser => {
-            return state + 1
+        fetch('https://jsonplaceholder.typicode.com/users', {
-        case 'decrement':
+            method: 'GET',
-            return state - 1
+            headers: {'Content-type':'application/json'},
-        case 'reset':
+            body: JSON.stringify(newUser),
-            return 0
+        }).then(res => res.json())
-        case 'set_value':
+    }
-            return action.value
+})
-        default:
+*/
-            return state
+
+const createQueryClient = () => {
+    new QueryClient({
+        defaultOptions: {
+            queries: {
+                staleTime: 5 * 60*1000,
+                retry: 1,
+                gcTime: 10*60*1000,
+                refetchOnWindowFocus: false,
+            },
+            mutations: {
+                retry:0,
+                onError: error => {console.error('Mutation error:',error.message)}
             }
         }
-
+    })
-function Counter() {
-    const [count, dispatch] = useReducer(counterReducer,0);
-    
-    return (
-        <div>
-            <span>Счетчик: {count}</span>
-            <button onClick={()=> dispatch({type: 'increment'})}>+</button>
-            <button onClick={()=> dispatch({type: 'decrement'})}>-</button>
-            <button onClick={()=> dispatch({type: 'reset'})}>reset</button>
-            <button onClick={()=> dispatch({type: 'set_value', value: 5})}>set 5</button>
-        </div>
-    )
 }
 
 function App() {
-    const [tasks, setTasks] = useState([])
-    const [filter, setFilter] = useState('all')
-    const [sortBy,setSortBy] = useState('date')
-    
-    const addTask = newTask => {
-        setTasks([...tasks,newTask])
-    }
-    
-    
-    
 	return (
 		<>
 			{/* Добавьте тестовый контент для проверки */}
 			<h1>Hello, React!</h1>
-            <Counter />
+        <QueryClientProvider client={createQueryClient}>
+            <PostAddForm />
+        </QueryClientProvider>
+            
 		</>
 	)
 }

src/App.module.scss

@@ -1,15 +0,0 @@
-.container {
-/*    display: flex;
-    flex-direction: column;
-    flex-wrap: nowrap;*/
-    height: 500px;
-    overflow: auto;
-    border: 1px solid black;
-}
-.item {
-    font-size: 16pt;
-    border: 1px dotted gray;
-    /*margin: 5px 10px;
-    padding: 10px;*/
-    border-radius: 5px;
-}