Практика

package-lock.json

@@ -8,6 +8,7 @@
       "name": "store-client",
       "version": "0.0.0",
       "dependencies": {
+        "immer": "^11.1.8",
         "react": "^19.1.0",
         "react-dom": "^19.1.0"
       },
@@ -2054,6 +2055,16 @@
         "node": ">= 4"
       }
     },
+    "node_modules/immer": {
+      "version": "11.1.8",
+      "resolved": "https://registry.npmjs.org/immer/-/immer-11.1.8.tgz",
+      "integrity": "sha512-/tbkHMW7y10Lx6i1crLjD4/OhNkRG+Fo7byZHtah0547nIeXYcpIXaUh0IAQY6gO5459qpGGYapcEOHtFXkIuA==",
+      "license": "MIT",
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/immer"
+      }
+    },
     "node_modules/import-fresh": {
       "version": "3.3.1",
       "resolved": "https://registry.npmjs.org/import-fresh/-/import-fresh-3.3.1.tgz",

package.json

@@ -10,6 +10,7 @@
     "preview": "vite preview"
   },
   "dependencies": {
+    "immer": "^11.1.8",
     "react": "^19.1.0",
     "react-dom": "^19.1.0"
   },

src/App.jsx

@@ -1,50 +1,49 @@
-import { useState, useReducer } from 'react'
-
-function counterReducer(state, action) {
-    switch (action.type) {
-        case 'increment':
-            return state + 1
-        case 'decrement':
-            return state - 1
-        case 'reset':
-            return 0
-        case 'set_value':
-            return action.value
-        default:
-            return state
-    }
-}
-
-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>
-    )
-}
+import React, { useState, useEffect } from 'react'
+import { produce } from 'immer'
 
 function App() {
-    const [tasks, setTasks] = useState([])
-    const [filter, setFilter] = useState('all')
-    const [sortBy,setSortBy] = useState('date')
+    const [tasks,setTasks] = useState([])
+    const [input,setInput] = useState('')
     
-    const addTask = newTask => {
-        setTasks([...tasks,newTask])
+    const addTask = () => {
+        if(!input.trim()) return
+        
+        setTasks(currentTasks => produce(currentTasks, draft => {
+            draft.push({
+                id: Date.now(),
+                text: input.trim(),
+                done: false
+            })
+        }))
+        setInput('')
+    }
+    const toggleTask = id => {
+        setTasks(currentTask => produce(currentTask, draft => {
+            const task = draft.find(t => t.id === id)
+            if(task) {
+                task.done = !task.done
+            }
+        }))
+    }
+    const removeTask = id => {
+        setTasks(currentTask => produce(currentTask, draft => {
+            const index = draft.findIndex(t => t.id === id)
+            if (index !== -1)
+                draft.splice(index,1)
+        }))
     }
-    
-    
-    
 	return (
 		<>
-			{/* Добавьте тестовый контент для проверки */}
-			<h1>Hello, React!</h1>
-            <Counter />
+			<h1>Практика по созданию списка задач</h1>
+            <input value={input} onChange={e=>setInput(e.target.value)} />
+            <button onClick={addTask}>Добавить</button>
+        <ul>{tasks.map(({id,text,done}) => (
+                <li key={id} style={{ textDecoration: done ? 'line-through' : 'none'}}>
+                <input type="checkbox" checked={done} onChange={()=> toggleTask(id)} />
+                {text}
+                <button onClick={() => removeTask(id)}>Удалить</button>
+                </li>
+            ))}</ul>
 		</>
 	)
 }

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;
-}

src/MyComponent.jsx

@@ -0,0 +1,8 @@
+export function MyComponent() {
+    return (
+        <>
+        <h1>Hello</h1>
+        </>
+    )
+}
+export default MyComponent

src/main.jsx

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