Практика

package-lock.json

@@ -8,9 +8,9 @@
       "name": "store-client",
       "version": "0.0.0",
       "dependencies": {
+        "immer": "^11.1.8",
         "react": "^19.1.0",
-        "react-dom": "^19.1.0",
-        "react-intl": "^10.1.13"
+        "react-dom": "^19.1.0"
       },
       "devDependencies": {
         "@eslint/js": "^9.25.0",
@@ -899,38 +899,6 @@
         "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
       }
     },
-    "node_modules/@formatjs/fast-memoize": {
-      "version": "3.1.6",
-      "resolved": "https://registry.npmjs.org/@formatjs/fast-memoize/-/fast-memoize-3.1.6.tgz",
-      "integrity": "sha512-H5aexk1Le7T9TPmscacZ+1pR6CTa2n1wq+HDVGXhH8TzUlQQpeXzZs91dRtmFHrbeNbjPFPfQujUqm7MHgVoXQ==",
-      "license": "MIT"
-    },
-    "node_modules/@formatjs/icu-messageformat-parser": {
-      "version": "3.5.11",
-      "resolved": "https://registry.npmjs.org/@formatjs/icu-messageformat-parser/-/icu-messageformat-parser-3.5.11.tgz",
-      "integrity": "sha512-NVsuNsc2dUVG9+4HBJ/srScxtA/18LqGgwtop/tuN/OIBjVl6QA+0KhfZQddDD9sEh2LeVjLFPGVU3ixa3blcA==",
-      "license": "MIT",
-      "dependencies": {
-        "@formatjs/icu-skeleton-parser": "2.1.10"
-      }
-    },
-    "node_modules/@formatjs/icu-skeleton-parser": {
-      "version": "2.1.10",
-      "resolved": "https://registry.npmjs.org/@formatjs/icu-skeleton-parser/-/icu-skeleton-parser-2.1.10.tgz",
-      "integrity": "sha512-XuSva+8ZGawk8VnD5VD6UeH8KarQ/Z022zgjHDoHmlNiAewstXuuzXc0Hk5pGFSdG+nNw5bfJKXqj1ZXHn9yUA==",
-      "license": "MIT"
-    },
-    "node_modules/@formatjs/intl": {
-      "version": "4.1.13",
-      "resolved": "https://registry.npmjs.org/@formatjs/intl/-/intl-4.1.13.tgz",
-      "integrity": "sha512-dufOl09iREq8V+laVdlGuyoqNmuzqDvyeA3O3k+0XQfvKJgK8bBWFKqYYWejFMKeOij/4LuPKJA+LsshpXQ4sw==",
-      "license": "MIT",
-      "dependencies": {
-        "@formatjs/fast-memoize": "3.1.6",
-        "@formatjs/icu-messageformat-parser": "3.5.11",
-        "intl-messageformat": "11.2.8"
-      }
-    },
     "node_modules/@humanfs/core": {
       "version": "0.19.1",
       "resolved": "https://registry.npmjs.org/@humanfs/core/-/core-0.19.1.tgz",
@@ -1400,6 +1368,7 @@
       "version": "19.1.6",
       "resolved": "https://registry.npmjs.org/@types/react/-/react-19.1.6.tgz",
       "integrity": "sha512-JeG0rEWak0N6Itr6QUx+X60uQmN+5t3j9r/OVDtWzFXKaj6kD1BwJzOksD0FF6iWxZlbE1kB0q9vtnU2ekqa1Q==",
+      "dev": true,
       "license": "MIT",
       "dependencies": {
         "csstype": "^3.0.2"
@@ -1651,6 +1620,7 @@
       "version": "3.1.3",
       "resolved": "https://registry.npmjs.org/csstype/-/csstype-3.1.3.tgz",
       "integrity": "sha512-M1uQkMl8rQK/szD0LNhtqxIPLpimGm8sOBwU7lLnCpSbTyY3yeU1Vc7l4KT5zT4s/yOxHH5O7tIuuLOCnLADRw==",
+      "dev": true,
       "license": "MIT"
     },
     "node_modules/debug": {
@@ -2085,6 +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",
@@ -2112,16 +2092,6 @@
         "node": ">=0.8.19"
       }
     },
-    "node_modules/intl-messageformat": {
-      "version": "11.2.8",
-      "resolved": "https://registry.npmjs.org/intl-messageformat/-/intl-messageformat-11.2.8.tgz",
-      "integrity": "sha512-l323RCl3qJDVQ8U9j74ut/hVMdg3VPsOHpVMDvFfz9qiq4dPO5ooVYFNVUzzrpgG39a+RLzcXyJb8VFgIU+tUA==",
-      "license": "BSD-3-Clause",
-      "dependencies": {
-        "@formatjs/fast-memoize": "3.1.6",
-        "@formatjs/icu-messageformat-parser": "3.5.11"
-      }
-    },
     "node_modules/is-extglob": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/is-extglob/-/is-extglob-2.1.1.tgz",
@@ -2502,21 +2472,6 @@
         "react": "^19.1.0"
       }
     },
-    "node_modules/react-intl": {
-      "version": "10.1.13",
-      "resolved": "https://registry.npmjs.org/react-intl/-/react-intl-10.1.13.tgz",
-      "integrity": "sha512-3aKnIOIPN6CWsu3jqPpYMlJZ2U0Qnxhd42xGWQNdGIknK/gBudWOHSIx9vN4XKkITokJLr7YTgs4yLUGtbvP9g==",
-      "license": "BSD-3-Clause",
-      "dependencies": {
-        "@formatjs/icu-messageformat-parser": "3.5.11",
-        "@formatjs/intl": "4.1.13",
-        "intl-messageformat": "11.2.8"
-      },
-      "peerDependencies": {
-        "@types/react": "19",
-        "react": "19"
-      }
-    },
     "node_modules/react-refresh": {
       "version": "0.17.0",
       "resolved": "https://registry.npmjs.org/react-refresh/-/react-refresh-0.17.0.tgz",

package.json

@@ -10,9 +10,9 @@
     "preview": "vite preview"
   },
   "dependencies": {
+    "immer": "^11.1.8",
     "react": "^19.1.0",
-    "react-dom": "^19.1.0",
-    "react-intl": "^10.1.13"
+    "react-dom": "^19.1.0"
   },
   "devDependencies": {
     "@eslint/js": "^9.25.0",

src/App.jsx

@@ -1,30 +1,49 @@
-import { IntlProvider,
-        FormattedMessage,
-        FormattedNumber,
-        FormattedDate,
-        FormattedTime,
-        FormattedDateTimeRange } from 'react-intl'
-import messageRu from './translations/ru.json'
-import messageEn from './translations/en.json'
+import React, { useState, useEffect } from 'react'
+import { produce } from 'immer'
 
 function App() {
-    const locale = 'ru';
-    const messages = messageEn;
+    const [tasks,setTasks] = useState([])
+    const [input,setInput] = useState('')
     
+    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 (
 		<>
-            <IntlProvider locale={locale} messages={messages}>
-			    <h1><FormattedMessage id='app.welcome' /></h1>
-                <h2><FormattedMessage id='app.userGreeting' values={{ name: <u>Alex</u> }} /></h2>
-                <p><FormattedMessage id='app.notifications' values= {{count: 25}} /></p>
-                <p><FormattedMessage id='app.lastLogin' values={{ date: new Date(), time: new Date()}} /></p>
-                <p><FormattedNumber value={ 999.99 } style='currency' currency='RUB' /></p>
-                <p><FormattedNumber value={0.56} style='percent' /></p>
-                <p><FormattedNumber value={1234.567} minimumFractionDigits={2} maximumFractionDigits={2} /></p>
-                <p><FormattedDate value={new Date()} weekday='long' /></p>
-                <p><FormattedTime value={new Date()} hour='2-digit' minute='2-digit' second='2-digit' /></p>
-                <p><FormattedDateTimeRange from={new Date(2026,6,1,10,0)} to={new Date(2026,6,10,9,0)} /></p>
-            </IntlProvider>
+			<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/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>
 )

src/translations/en.json

@@ -1,6 +0,0 @@
-{
-    "app.welcome": "welcome to React application",
-    "app.userGreeting": "Hello, {name}",
-    "app.notifications": "You have {count, plural, one {# a notification} few {# are notifications} many {# уведомлений} other {# уведомления}}",
-    "app.lastLogin": "Last login was {date,date,long} in {time,time,short}"
-}

src/translations/ru.json

@@ -1,6 +0,0 @@
-{
-    "app.welcome": "добро пожаловать в приложение React",
-    "app.userGreeting": "Здравствуйте, {name}",
-    "app.notifications": "У вас {count, plural, one {# уведомление} few {# уведомления} many {# уведомлений} other {# уведомления}}",
-    "app.lastLogin": "Последний вход был {date,date,long} в {time,time,short}"
-}