Initial commit

69e4a92f · Нұрасыл Қайратұлы · 69e4a92f · 69e4a92f · 69e4a92f · 69e4a92f
Commit 69e4a92f authored May 05, 2025 by Нұрасыл Қайратұлы
26 changed files
--- a/client/.gitignore
+++ b/client/.gitignore
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+pnpm-debug.log*
+lerna-debug.log*
+
+node_modules
+dist
+dist-ssr
+*.local
+
+# Editor directories and files
+.vscode/*
+!.vscode/extensions.json
+.idea
+.DS_Store
+*.suo
+*.ntvs*
+*.njsproj
+*.sln
+*.sw?
--- a/client/README.md
+++ b/client/README.md
+# React + TypeScript + Vite
+
+This template provides a minimal setup to get React working in Vite with HMR and some ESLint rules.
+
+Currently, two official plugins are available:
+
+- [@vitejs/plugin-react](https://github.com/vitejs/vite-plugin-react/blob/main/packages/plugin-react) uses [Babel](https://babeljs.io/) for Fast Refresh
+- [@vitejs/plugin-react-swc](https://github.com/vitejs/vite-plugin-react/blob/main/packages/plugin-react-swc) uses [SWC](https://swc.rs/) for Fast Refresh
+
+## Expanding the ESLint configuration
+
+If you are developing a production application, we recommend updating the configuration to enable type-aware lint rules:
+
+```js
+export default tseslint.config({
+  extends: [
+    // Remove ...tseslint.configs.recommended and replace with this
+    ...tseslint.configs.recommendedTypeChecked,
+    // Alternatively, use this for stricter rules
+    ...tseslint.configs.strictTypeChecked,
+    // Optionally, add this for stylistic rules
+    ...tseslint.configs.stylisticTypeChecked,
+  ],
+  languageOptions: {
+    // other options...
+    parserOptions: {
+      project: ['./tsconfig.node.json', './tsconfig.app.json'],
+      tsconfigRootDir: import.meta.dirname,
+    },
+  },
+})
+```
+
+You can also install [eslint-plugin-react-x](https://github.com/Rel1cx/eslint-react/tree/main/packages/plugins/eslint-plugin-react-x) and [eslint-plugin-react-dom](https://github.com/Rel1cx/eslint-react/tree/main/packages/plugins/eslint-plugin-react-dom) for React-specific lint rules:
+
+```js
+// eslint.config.js
+import reactX from 'eslint-plugin-react-x'
+import reactDom from 'eslint-plugin-react-dom'
+
+export default tseslint.config({
+  plugins: {
+    // Add the react-x and react-dom plugins
+    'react-x': reactX,
+    'react-dom': reactDom,
+  },
+  rules: {
+    // other rules...
+    // Enable its recommended typescript rules
+    ...reactX.configs['recommended-typescript'].rules,
+    ...reactDom.configs.recommended.rules,
+  },
+})
+```
--- a/client/eslint.config.js
+++ b/client/eslint.config.js
+import js from '@eslint/js'
+import globals from 'globals'
+import reactHooks from 'eslint-plugin-react-hooks'
+import reactRefresh from 'eslint-plugin-react-refresh'
+import tseslint from 'typescript-eslint'
+
+export default tseslint.config(
+  { ignores: ['dist'] },
+  {
+    extends: [js.configs.recommended, ...tseslint.configs.recommended],
+    files: ['**/*.{ts,tsx}'],
+    languageOptions: {
+      ecmaVersion: 2020,
+      globals: globals.browser,
+    },
+    plugins: {
+      'react-hooks': reactHooks,
+      'react-refresh': reactRefresh,
+    },
+    rules: {
+      ...reactHooks.configs.recommended.rules,
+      'react-refresh/only-export-components': [
+        'warn',
+        { allowConstantExport: true },
+      ],
+    },
+  },
+)
--- a/client/index.html
+++ b/client/index.html
+<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="UTF-8" />
+    <link rel="icon" type="image/svg+xml" href="/vite.svg" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>Vite + React + TS</title>
+  </head>
+  <body>
+    <div id="root"></div>
+    <script type="module" src="/src/main.tsx"></script>
+  </body>
+</html>
--- a/client/package.json
+++ b/client/package.json
+{
+  "name": "client",
+  "private": true,
+  "version": "0.0.0",
+  "type": "module",
+  "scripts": {
+    "dev": "vite",
+    "build": "tsc -b && vite build",
+    "lint": "eslint .",
+    "preview": "vite preview"
+  },
+  "dependencies": {
+    "antd": "^5.24.9",
+    "react": "^19.1.0",
+    "react-dom": "^19.1.0"
+  },
+  "devDependencies": {
+    "@eslint/js": "^9.25.0",
+    "@types/react": "^19.1.2",
+    "@types/react-dom": "^19.1.2",
+    "@vitejs/plugin-react": "^4.4.1",
+    "eslint": "^9.25.0",
+    "eslint-plugin-react-hooks": "^5.2.0",
+    "eslint-plugin-react-refresh": "^0.4.19",
+    "globals": "^16.0.0",
+    "typescript": "~5.8.3",
+    "typescript-eslint": "^8.30.1",
+    "vite": "^6.3.5"
+  }
+}
--- a/client/pnpm-lock.yaml
+++ b/client/pnpm-lock.yaml
--- a/client/public/vite.svg
+++ b/client/public/vite.svg
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" class="iconify iconify--logos" width="31.88" height="32" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 257"><defs><linearGradient id="IconifyId1813088fe1fbc01fb466" x1="-.828%" x2="57.636%" y1="7.652%" y2="78.411%"><stop offset="0%" stop-color="#41D1FF"></stop><stop offset="100%" stop-color="#BD34FE"></stop></linearGradient><linearGradient id="IconifyId1813088fe1fbc01fb467" x1="43.376%" x2="50.316%" y1="2.242%" y2="89.03%"><stop offset="0%" stop-color="#FFEA83"></stop><stop offset="8.333%" stop-color="#FFDD35"></stop><stop offset="100%" stop-color="#FFA800"></stop></linearGradient></defs><path fill="url(#IconifyId1813088fe1fbc01fb466)" d="M255.153 37.938L134.897 252.976c-2.483 4.44-8.862 4.466-11.382.048L.875 37.958c-2.746-4.814 1.371-10.646 6.827-9.67l120.385 21.517a6.537 6.537 0 0 0 2.322-.004l117.867-21.483c5.438-.991 9.574 4.796 6.877 9.62Z"></path><path fill="url(#IconifyId1813088fe1fbc01fb467)" d="M185.432.063L96.44 17.501a3.268 3.268 0 0 0-2.634 3.014l-5.474 92.456a3.268 3.268 0 0 0 3.997 3.378l24.777-5.718c2.318-.535 4.413 1.507 3.936 3.838l-7.361 36.047c-.495 2.426 1.782 4.5 4.151 3.78l15.304-4.649c2.372-.72 4.652 1.36 4.15 3.788l-11.698 56.621c-.732 3.542 3.979 5.473 5.943 2.437l1.313-2.028l72.516-144.72c1.215-2.423-.88-5.186-3.54-4.672l-25.505 4.922c-2.396.462-4.435-1.77-3.759-4.114l16.646-57.705c.677-2.35-1.37-4.583-3.769-4.113Z"></path></svg>
\ No newline at end of file
--- a/client/src/App.css
+++ b/client/src/App.css
+#root {
+  max-width: 1280px;
+  margin: 0 auto;
+  padding: 2rem;
+  text-align: center;
+}
+
+.logo {
+  height: 6em;
+  padding: 1.5em;
+  will-change: filter;
+  transition: filter 300ms;
+}
+.logo:hover {
+  filter: drop-shadow(0 0 2em #646cffaa);
+}
+.logo.react:hover {
+  filter: drop-shadow(0 0 2em #61dafbaa);
+}
+
+@keyframes logo-spin {
+  from {
+    transform: rotate(0deg);
+  }
+  to {
+    transform: rotate(360deg);
+  }
+}
+
+@media (prefers-reduced-motion: no-preference) {
+  a:nth-of-type(2) .logo {
+    animation: logo-spin infinite 20s linear;
+  }
+}
+
+.card {
+  padding: 2em;
+}
+
+.read-the-docs {
+  color: #888;
+}
--- a/client/src/App.tsx
+++ b/client/src/App.tsx
+import './App.css'
+import { ChatApp } from './components/ChatApp'
+
+function App() {
+	return <ChatApp />
+}
+
+export default App
--- a/client/src/assets/react.svg
+++ b/client/src/assets/react.svg
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" class="iconify iconify--logos" width="35.93" height="32" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 228"><path fill="#00D8FF" d="M210.483 73.824a171.49 171.49 0 0 0-8.24-2.597c.465-1.9.893-3.777 1.273-5.621c6.238-30.281 2.16-54.676-11.769-62.708c-13.355-7.7-35.196.329-57.254 19.526a171.23 171.23 0 0 0-6.375 5.848a155.866 155.866 0 0 0-4.241-3.917C100.759 3.829 77.587-4.822 63.673 3.233C50.33 10.957 46.379 33.89 51.995 62.588a170.974 170.974 0 0 0 1.892 8.48c-3.28.932-6.445 1.924-9.474 2.98C17.309 83.498 0 98.307 0 113.668c0 15.865 18.582 31.778 46.812 41.427a145.52 145.52 0 0 0 6.921 2.165a167.467 167.467 0 0 0-2.01 9.138c-5.354 28.2-1.173 50.591 12.134 58.266c13.744 7.926 36.812-.22 59.273-19.855a145.567 145.567 0 0 0 5.342-4.923a168.064 168.064 0 0 0 6.92 6.314c21.758 18.722 43.246 26.282 56.54 18.586c13.731-7.949 18.194-32.003 12.4-61.268a145.016 145.016 0 0 0-1.535-6.842c1.62-.48 3.21-.974 4.76-1.488c29.348-9.723 48.443-25.443 48.443-41.52c0-15.417-17.868-30.326-45.517-39.844Zm-6.365 70.984c-1.4.463-2.836.91-4.3 1.345c-3.24-10.257-7.612-21.163-12.963-32.432c5.106-11 9.31-21.767 12.459-31.957c2.619.758 5.16 1.557 7.61 2.4c23.69 8.156 38.14 20.213 38.14 29.504c0 9.896-15.606 22.743-40.946 31.14Zm-10.514 20.834c2.562 12.94 2.927 24.64 1.23 33.787c-1.524 8.219-4.59 13.698-8.382 15.893c-8.067 4.67-25.32-1.4-43.927-17.412a156.726 156.726 0 0 1-6.437-5.87c7.214-7.889 14.423-17.06 21.459-27.246c12.376-1.098 24.068-2.894 34.671-5.345a134.17 134.17 0 0 1 1.386 6.193ZM87.276 214.515c-7.882 2.783-14.16 2.863-17.955.675c-8.075-4.657-11.432-22.636-6.853-46.752a156.923 156.923 0 0 1 1.869-8.499c10.486 2.32 22.093 3.988 34.498 4.994c7.084 9.967 14.501 19.128 21.976 27.15a134.668 134.668 0 0 1-4.877 4.492c-9.933 8.682-19.886 14.842-28.658 17.94ZM50.35 144.747c-12.483-4.267-22.792-9.812-29.858-15.863c-6.35-5.437-9.555-10.836-9.555-15.216c0-9.322 13.897-21.212 37.076-29.293c2.813-.98 5.757-1.905 8.812-2.773c3.204 10.42 7.406 21.315 12.477 32.332c-5.137 11.18-9.399 22.249-12.634 32.792a134.718 134.718 0 0 1-6.318-1.979Zm12.378-84.26c-4.811-24.587-1.616-43.134 6.425-47.789c8.564-4.958 27.502 2.111 47.463 19.835a144.318 144.318 0 0 1 3.841 3.545c-7.438 7.987-14.787 17.08-21.808 26.988c-12.04 1.116-23.565 2.908-34.161 5.309a160.342 160.342 0 0 1-1.76-7.887Zm110.427 27.268a347.8 347.8 0 0 0-7.785-12.803c8.168 1.033 15.994 2.404 23.343 4.08c-2.206 7.072-4.956 14.465-8.193 22.045a381.151 381.151 0 0 0-7.365-13.322Zm-45.032-43.861c5.044 5.465 10.096 11.566 15.065 18.186a322.04 322.04 0 0 0-30.257-.006c4.974-6.559 10.069-12.652 15.192-18.18ZM82.802 87.83a323.167 323.167 0 0 0-7.227 13.238c-3.184-7.553-5.909-14.98-8.134-22.152c7.304-1.634 15.093-2.97 23.209-3.984a321.524 321.524 0 0 0-7.848 12.897Zm8.081 65.352c-8.385-.936-16.291-2.203-23.593-3.793c2.26-7.3 5.045-14.885 8.298-22.6a321.187 321.187 0 0 0 7.257 13.246c2.594 4.48 5.28 8.868 8.038 13.147Zm37.542 31.03c-5.184-5.592-10.354-11.779-15.403-18.433c4.902.192 9.899.29 14.978.29c5.218 0 10.376-.117 15.453-.343c-4.985 6.774-10.018 12.97-15.028 18.486Zm52.198-57.817c3.422 7.8 6.306 15.345 8.596 22.52c-7.422 1.694-15.436 3.058-23.88 4.071a382.417 382.417 0 0 0 7.859-13.026a347.403 347.403 0 0 0 7.425-13.565Zm-16.898 8.101a358.557 358.557 0 0 1-12.281 19.815a329.4 329.4 0 0 1-23.444.823c-7.967 0-15.716-.248-23.178-.732a310.202 310.202 0 0 1-12.513-19.846h.001a307.41 307.41 0 0 1-10.923-20.627a310.278 310.278 0 0 1 10.89-20.637l-.001.001a307.318 307.318 0 0 1 12.413-19.761c7.613-.576 15.42-.876 23.31-.876H128c7.926 0 15.743.303 23.354.883a329.357 329.357 0 0 1 12.335 19.695a358.489 358.489 0 0 1 11.036 20.54a329.472 329.472 0 0 1-11 20.722Zm22.56-122.124c8.572 4.944 11.906 24.881 6.52 51.026c-.344 1.668-.73 3.367-1.15 5.09c-10.622-2.452-22.155-4.275-34.23-5.408c-7.034-10.017-14.323-19.124-21.64-27.008a160.789 160.789 0 0 1 5.888-5.4c18.9-16.447 36.564-22.941 44.612-18.3ZM128 90.808c12.625 0 22.86 10.235 22.86 22.86s-10.235 22.86-22.86 22.86s-22.86-10.235-22.86-22.86s10.235-22.86 22.86-22.86Z"></path></svg>
\ No newline at end of file
--- a/client/src/components/ChatApp.tsx
+++ b/client/src/components/ChatApp.tsx
+import { Button, Flex, Form, Input } from 'antd'
+import { useForm, type FormProps } from 'antd/es/form/Form'
+import { useEffect, useRef, useState } from 'react'
+
+interface Message {
+	username: string
+	text: string
+}
+
+export type FieldType = {
+	username: string
+	message: string
+}
+
+const boxStyle: React.CSSProperties = {
+	width: '100%',
+	height: 120,
+}
+
+export function ChatApp() {
+	const [messages, setMessages] = useState<Message[]>([])
+	const [username, setUsername] = useState('')
+	const [isLoggedIn, setIsLoggedIn] = useState(false)
+
+	const [form] = useForm()
+
+	const ws = useRef<WebSocket | null>(null)
+
+	useEffect(() => {
+		ws.current = new WebSocket('ws://localhost:8000/chat')
+
+		ws.current.onclose = () => console.log('ws closed')
+
+		ws.current.onmessage = (event: MessageEvent<string>) => {
+			const decodedMessage: { type: string; message: Message } = JSON.parse(
+				event.data
+			)
+
+			if (decodedMessage.type === 'NEW_MESSAGE') {
+				setMessages(prev => {
+					return [...prev, decodedMessage.message]
+				})
+			}
+		}
+
+		return () => ws.current?.close()
+	}, [])
+
+	const submitHandlerUsername: FormProps<FieldType>['onFinish'] = values => {
+		ws.current?.send(
+			JSON.stringify({
+				type: 'SET_USERNAME',
+				username: values.username,
+			})
+		)
+
+		setUsername(values.username)
+		setIsLoggedIn(true)
+	}
+
+	const submitMessageHandler = (values: { message: string }) => {
+		ws.current?.send(
+			JSON.stringify({
+				type: 'CREATE_MESSAGE',
+				text: values.message,
+				username,
+			})
+		)
+
+		console.log(
+			JSON.stringify({
+				type: 'CREATE_MESSAGE',
+				text: values.message,
+				username,
+			})
+		)
+
+		form.resetFields()
+	}
+
+	return !isLoggedIn ? (
+		<Flex justify='center' align='center' style={boxStyle}>
+			<Form name='login' onFinish={submitHandlerUsername} autoComplete='off'>
+				<Form.Item<FieldType>
+					name='username'
+					rules={[{ required: true, message: 'Please input your username!' }]}
+				>
+					<Input placeholder='Enter username' />
+				</Form.Item>
+
+				<Form.Item wrapperCol={{ offset: 8, span: 16 }}>
+					<Button type='primary' htmlType='submit'>
+						Submit
+					</Button>
+				</Form.Item>
+			</Form>
+		</Flex>
+	) : (
+		<>
+			<div>Welcome, {username}</div>
+			{messages.map((message, key) => (
+				<div key={key}>
+					<b>{message.username}</b>: {message.text}
+				</div>
+			))}
+
+			<Flex justify='center' align='center' style={boxStyle}>
+				<Form
+					form={form}
+					name='messageForm'
+					onFinish={submitMessageHandler}
+					autoComplete='off'
+				>
+					<Form.Item<FieldType>
+						name='message'
+						rules={[{ required: true, message: 'Please enter message' }]}
+					>
+						<Input placeholder='Enter message' />
+					</Form.Item>
+
+					<Form.Item wrapperCol={{ offset: 8, span: 16 }}>
+						<Button type='primary' htmlType='submit'>
+							Submit
+						</Button>
+					</Form.Item>
+				</Form>
+			</Flex>
+		</>
+	)
+}
--- a/client/src/index.css
+++ b/client/src/index.css
+:root {
+  font-family: system-ui, Avenir, Helvetica, Arial, sans-serif;
+  line-height: 1.5;
+  font-weight: 400;
+
+  color-scheme: light dark;
+  color: rgba(255, 255, 255, 0.87);
+  background-color: #242424;
+
+  font-synthesis: none;
+  text-rendering: optimizeLegibility;
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+}
+
+a {
+  font-weight: 500;
+  color: #646cff;
+  text-decoration: inherit;
+}
+a:hover {
+  color: #535bf2;
+}
+
+body {
+  margin: 0;
+  display: flex;
+  place-items: center;
+  min-width: 320px;
+  min-height: 100vh;
+}
+
+h1 {
+  font-size: 3.2em;
+  line-height: 1.1;
+}
+
+button {
+  border-radius: 8px;
+  border: 1px solid transparent;
+  padding: 0.6em 1.2em;
+  font-size: 1em;
+  font-weight: 500;
+  font-family: inherit;
+  background-color: #1a1a1a;
+  cursor: pointer;
+  transition: border-color 0.25s;
+}
+button:hover {
+  border-color: #646cff;
+}
+button:focus,
+button:focus-visible {
+  outline: 4px auto -webkit-focus-ring-color;
+}
+
+@media (prefers-color-scheme: light) {
+  :root {
+    color: #213547;
+    background-color: #ffffff;
+  }
+  a:hover {
+    color: #747bff;
+  }
+  button {
+    background-color: #f9f9f9;
+  }
+}
--- a/client/src/main.tsx
+++ b/client/src/main.tsx
+import { StrictMode } from 'react'
+import { createRoot } from 'react-dom/client'
+import './index.css'
+import App from './App.tsx'
+
+createRoot(document.getElementById('root')!).render(
+  <StrictMode>
+    <App />
+  </StrictMode>,
+)
--- a/client/src/vite-env.d.ts
+++ b/client/src/vite-env.d.ts
+/// <reference types="vite/client" />
--- a/client/tsconfig.app.json
+++ b/client/tsconfig.app.json
+{
+  "compilerOptions": {
+    "tsBuildInfoFile": "./node_modules/.tmp/tsconfig.app.tsbuildinfo",
+    "target": "ES2020",
+    "useDefineForClassFields": true,
+    "lib": ["ES2020", "DOM", "DOM.Iterable"],
+    "module": "ESNext",
+    "skipLibCheck": true,
+
+    /* Bundler mode */
+    "moduleResolution": "bundler",
+    "allowImportingTsExtensions": true,
+    "verbatimModuleSyntax": true,
+    "moduleDetection": "force",
+    "noEmit": true,
+    "jsx": "react-jsx",
+
+    /* Linting */
+    "strict": true,
+    "noUnusedLocals": true,
+    "noUnusedParameters": true,
+    "erasableSyntaxOnly": true,
+    "noFallthroughCasesInSwitch": true,
+    "noUncheckedSideEffectImports": true
+  },
+  "include": ["src"]
+}
--- a/client/tsconfig.json
+++ b/client/tsconfig.json
+{
+  "files": [],
+  "references": [
+    { "path": "./tsconfig.app.json" },
+    { "path": "./tsconfig.node.json" }
+  ]
+}
--- a/client/tsconfig.node.json
+++ b/client/tsconfig.node.json
+{
+  "compilerOptions": {
+    "tsBuildInfoFile": "./node_modules/.tmp/tsconfig.node.tsbuildinfo",
+    "target": "ES2022",
+    "lib": ["ES2023"],
+    "module": "ESNext",
+    "skipLibCheck": true,
+
+    /* Bundler mode */
+    "moduleResolution": "bundler",
+    "allowImportingTsExtensions": true,
+    "verbatimModuleSyntax": true,
+    "moduleDetection": "force",
+    "noEmit": true,
+
+    /* Linting */
+    "strict": true,
+    "noUnusedLocals": true,
+    "noUnusedParameters": true,
+    "erasableSyntaxOnly": true,
+    "noFallthroughCasesInSwitch": true,
+    "noUncheckedSideEffectImports": true
+  },
+  "include": ["vite.config.ts"]
+}
--- a/client/vite.config.ts
+++ b/client/vite.config.ts
+import { defineConfig } from 'vite'
+import react from '@vitejs/plugin-react'
+
+// https://vite.dev/config/
+export default defineConfig({
+  plugins: [react()],
+})
--- a/server/.eslintrc.js
+++ b/server/.eslintrc.js
+module.exports = {
+  parser: '@typescript-eslint/parser',
+
+  parserOptions: {
+    project: 'tsconfig.json',
+
+    tsconfigRootDir: __dirname,
+
+    sourceType: 'module',
+  },
+
+  plugins: ['@typescript-eslint/eslint-plugin'],
+
+  extends: [
+    'plugin:@typescript-eslint/recommended',
+
+    'plugin:prettier/recommended',
+  ],
+
+  root: true,
+
+  env: {
+    node: true,
+
+    jest: true,
+  },
+
+  ignorePatterns: ['.eslintrc.js'],
+
+  rules: {
+    '@typescript-eslint/interface-name-prefix': 'off',
+
+    '@typescript-eslint/explicit-function-return-type': 'off',
+
+    '@typescript-eslint/explicit-module-boundary-types': 'off',
+
+    '@typescript-eslint/no-explicit-any': 'off',
+  },
+};
--- a/server/.gitignore
+++ b/server/.gitignore
+node_modules
\ No newline at end of file
--- a/server/.prettierrc
+++ b/server/.prettierrc
+{
+  "singleQuote": true,
+  "trailingComma": "all"
+}
--- a/server/nodemon.json
+++ b/server/nodemon.json
+{
+	"watch": ["src"],
+
+	"ignore": ["**/*.test.ts", "**/*.spec.ts", ".git", "node_modules"],
+
+	"ext": "ts",
+
+	"exec": "npx ts-node src/server.ts"
+}
--- a/server/package.json
+++ b/server/package.json
+{
+  "name": "server",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1",
+    "dev": "nodemon"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "packageManager": "pnpm@10.9.0",
+  "dependencies": {
+    "cors": "^2.8.5",
+    "express": "^5.1.0",
+    "express-ws": "^5.0.2"
+  },
+  "devDependencies": {
+    "@types/cors": "^2.8.17",
+    "@types/express": "^5.0.1",
+    "@types/express-ws": "^3.0.5",
+    "@types/node": "^22.15.3",
+    "@types/ws": "^8.18.1",
+    "nodemon": "^3.1.10",
+    "ts-node": "^10.9.2",
+    "typescript": "^5.8.3"
+  }
+}
--- a/server/pnpm-lock.yaml
+++ b/server/pnpm-lock.yaml
+lockfileVersion: '9.0'
+
+settings:
+  autoInstallPeers: true
+  excludeLinksFromLockfile: false
+
+importers:
+
+  .:
+    dependencies:
+      cors:
+        specifier: ^2.8.5
+        version: 2.8.5
+      express:
+        specifier: ^5.1.0
+        version: 5.1.0
+      express-ws:
+        specifier: ^5.0.2
+        version: 5.0.2(express@5.1.0)
+    devDependencies:
+      '@types/cors':
+        specifier: ^2.8.17
+        version: 2.8.17
+      '@types/express':
+        specifier: ^5.0.1
+        version: 5.0.1
+      '@types/express-ws':
+        specifier: ^3.0.5
+        version: 3.0.5
+      '@types/node':
+        specifier: ^22.15.3
+        version: 22.15.3
+      '@types/ws':
+        specifier: ^8.18.1
+        version: 8.18.1
+      nodemon:
+        specifier: ^3.1.10
+        version: 3.1.10
+      ts-node:
+        specifier: ^10.9.2
+        version: 10.9.2(@types/node@22.15.3)(typescript@5.8.3)
+      typescript:
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+        version: 5.8.3
+
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+      '@types/node': 22.15.3
+
+  '@types/express-serve-static-core@5.0.6':
+    dependencies:
+      '@types/node': 22.15.3
+      '@types/qs': 6.9.18
+      '@types/range-parser': 1.2.7
+      '@types/send': 0.17.4
+
+  '@types/express-ws@3.0.5':
+    dependencies:
+      '@types/express': 5.0.1
+      '@types/express-serve-static-core': 5.0.6
+      '@types/ws': 8.18.1
+
+  '@types/express@5.0.1':
+    dependencies:
+      '@types/body-parser': 1.19.5
+      '@types/express-serve-static-core': 5.0.6
+      '@types/serve-static': 1.15.7
+
+  '@types/http-errors@2.0.4': {}
+
+  '@types/mime@1.3.5': {}
+
+  '@types/node@22.15.3':
+    dependencies:
+      undici-types: 6.21.0
+
+  '@types/qs@6.9.18': {}
+
+  '@types/range-parser@1.2.7': {}
+
+  '@types/send@0.17.4':
+    dependencies:
+      '@types/mime': 1.3.5
+      '@types/node': 22.15.3
+
+  '@types/serve-static@1.15.7':
+    dependencies:
+      '@types/http-errors': 2.0.4
+      '@types/node': 22.15.3
+      '@types/send': 0.17.4
+
+  '@types/ws@8.18.1':
+    dependencies:
+      '@types/node': 22.15.3
+
+  accepts@2.0.0:
+    dependencies:
+      mime-types: 3.0.1
+      negotiator: 1.0.0
+
+  acorn-walk@8.3.4:
+    dependencies:
+      acorn: 8.14.1
+
+  acorn@8.14.1: {}
+
+  anymatch@3.1.3:
+    dependencies:
+      normalize-path: 3.0.0
+      picomatch: 2.3.1
+
+  arg@4.1.3: {}
+
+  balanced-match@1.0.2: {}
+
+  binary-extensions@2.3.0: {}
+
+  body-parser@2.2.0:
+    dependencies:
+      bytes: 3.1.2
+      content-type: 1.0.5
+      debug: 4.4.0(supports-color@5.5.0)
+      http-errors: 2.0.0
+      iconv-lite: 0.6.3
+      on-finished: 2.4.1
+      qs: 6.14.0
+      raw-body: 3.0.0
+      type-is: 2.0.1
+    transitivePeerDependencies:
+      - supports-color
+
+  brace-expansion@1.1.11:
+    dependencies:
+      balanced-match: 1.0.2
+      concat-map: 0.0.1
+
+  braces@3.0.3:
+    dependencies:
+      fill-range: 7.1.1
+
+  bytes@3.1.2: {}
+
+  call-bind-apply-helpers@1.0.2:
+    dependencies:
+      es-errors: 1.3.0
+      function-bind: 1.1.2
+
+  call-bound@1.0.4:
+    dependencies:
+      call-bind-apply-helpers: 1.0.2
+      get-intrinsic: 1.3.0
+
+  chokidar@3.6.0:
+    dependencies:
+      anymatch: 3.1.3
+      braces: 3.0.3
+      glob-parent: 5.1.2
+      is-binary-path: 2.1.0
+      is-glob: 4.0.3
+      normalize-path: 3.0.0
+      readdirp: 3.6.0
+    optionalDependencies:
+      fsevents: 2.3.3
+
+  concat-map@0.0.1: {}
+
+  content-disposition@1.0.0:
+    dependencies:
+      safe-buffer: 5.2.1
+
+  content-type@1.0.5: {}
+
+  cookie-signature@1.2.2: {}
+
+  cookie@0.7.2: {}
+
+  cors@2.8.5:
+    dependencies:
+      object-assign: 4.1.1
+      vary: 1.1.2
+
+  create-require@1.1.1: {}
+
+  debug@4.4.0(supports-color@5.5.0):
+    dependencies:
+      ms: 2.1.3
+    optionalDependencies:
+      supports-color: 5.5.0
+
+  depd@2.0.0: {}
+
+  diff@4.0.2: {}
+
+  dunder-proto@1.0.1:
+    dependencies:
+      call-bind-apply-helpers: 1.0.2
+      es-errors: 1.3.0
+      gopd: 1.2.0
+
+  ee-first@1.1.1: {}
+
+  encodeurl@2.0.0: {}
+
+  es-define-property@1.0.1: {}
+
+  es-errors@1.3.0: {}
+
+  es-object-atoms@1.1.1:
+    dependencies:
+      es-errors: 1.3.0
+
+  escape-html@1.0.3: {}
+
+  etag@1.8.1: {}
+
+  express-ws@5.0.2(express@5.1.0):
+    dependencies:
+      express: 5.1.0
+      ws: 7.5.10
+    transitivePeerDependencies:
+      - bufferutil
+      - utf-8-validate
+
+  express@5.1.0:
+    dependencies:
+      accepts: 2.0.0
+      body-parser: 2.2.0
+      content-disposition: 1.0.0
+      content-type: 1.0.5
+      cookie: 0.7.2
+      cookie-signature: 1.2.2
+      debug: 4.4.0(supports-color@5.5.0)
+      encodeurl: 2.0.0
+      escape-html: 1.0.3
+      etag: 1.8.1
+      finalhandler: 2.1.0
+      fresh: 2.0.0
+      http-errors: 2.0.0
+      merge-descriptors: 2.0.0
+      mime-types: 3.0.1
+      on-finished: 2.4.1
+      once: 1.4.0
+      parseurl: 1.3.3
+      proxy-addr: 2.0.7
+      qs: 6.14.0
+      range-parser: 1.2.1
+      router: 2.2.0
+      send: 1.2.0
+      serve-static: 2.2.0
+      statuses: 2.0.1
+      type-is: 2.0.1
+      vary: 1.1.2
+    transitivePeerDependencies:
+      - supports-color
+
+  fill-range@7.1.1:
+    dependencies:
+      to-regex-range: 5.0.1
+
+  finalhandler@2.1.0:
+    dependencies:
+      debug: 4.4.0(supports-color@5.5.0)
+      encodeurl: 2.0.0
+      escape-html: 1.0.3
+      on-finished: 2.4.1
+      parseurl: 1.3.3
+      statuses: 2.0.1
+    transitivePeerDependencies:
+      - supports-color
+
+  forwarded@0.2.0: {}
+
+  fresh@2.0.0: {}
+
+  fsevents@2.3.3:
+    optional: true
+
+  function-bind@1.1.2: {}
+
+  get-intrinsic@1.3.0:
+    dependencies:
+      call-bind-apply-helpers: 1.0.2
+      es-define-property: 1.0.1
+      es-errors: 1.3.0
+      es-object-atoms: 1.1.1
+      function-bind: 1.1.2
+      get-proto: 1.0.1
+      gopd: 1.2.0
+      has-symbols: 1.1.0
+      hasown: 2.0.2
+      math-intrinsics: 1.1.0
+
+  get-proto@1.0.1:
+    dependencies:
+      dunder-proto: 1.0.1
+      es-object-atoms: 1.1.1
+
+  glob-parent@5.1.2:
+    dependencies:
+      is-glob: 4.0.3
+
+  gopd@1.2.0: {}
+
+  has-flag@3.0.0: {}
+
+  has-symbols@1.1.0: {}
+
+  hasown@2.0.2:
+    dependencies:
+      function-bind: 1.1.2
+
+  http-errors@2.0.0:
+    dependencies:
+      depd: 2.0.0
+      inherits: 2.0.4
+      setprototypeof: 1.2.0
+      statuses: 2.0.1
+      toidentifier: 1.0.1
+
+  iconv-lite@0.6.3:
+    dependencies:
+      safer-buffer: 2.1.2
+
+  ignore-by-default@1.0.1: {}
+
+  inherits@2.0.4: {}
+
+  ipaddr.js@1.9.1: {}
+
+  is-binary-path@2.1.0:
+    dependencies:
+      binary-extensions: 2.3.0
+
+  is-extglob@2.1.1: {}
+
+  is-glob@4.0.3:
+    dependencies:
+      is-extglob: 2.1.1
+
+  is-number@7.0.0: {}
+
+  is-promise@4.0.0: {}
+
+  make-error@1.3.6: {}
+
+  math-intrinsics@1.1.0: {}
+
+  media-typer@1.1.0: {}
+
+  merge-descriptors@2.0.0: {}
+
+  mime-db@1.54.0: {}
+
+  mime-types@3.0.1:
+    dependencies:
+      mime-db: 1.54.0
+
+  minimatch@3.1.2:
+    dependencies:
+      brace-expansion: 1.1.11
+
+  ms@2.1.3: {}
+
+  negotiator@1.0.0: {}
+
+  nodemon@3.1.10:
+    dependencies:
+      chokidar: 3.6.0
+      debug: 4.4.0(supports-color@5.5.0)
+      ignore-by-default: 1.0.1
+      minimatch: 3.1.2
+      pstree.remy: 1.1.8
+      semver: 7.7.1
+      simple-update-notifier: 2.0.0
+      supports-color: 5.5.0
+      touch: 3.1.1
+      undefsafe: 2.0.5
+
+  normalize-path@3.0.0: {}
+
+  object-assign@4.1.1: {}
+
+  object-inspect@1.13.4: {}
+
+  on-finished@2.4.1:
+    dependencies:
+      ee-first: 1.1.1
+
+  once@1.4.0:
+    dependencies:
+      wrappy: 1.0.2
+
+  parseurl@1.3.3: {}
+
+  path-to-regexp@8.2.0: {}
+
+  picomatch@2.3.1: {}
+
+  proxy-addr@2.0.7:
+    dependencies:
+      forwarded: 0.2.0
+      ipaddr.js: 1.9.1
+
+  pstree.remy@1.1.8: {}
+
+  qs@6.14.0:
+    dependencies:
+      side-channel: 1.1.0
+
+  range-parser@1.2.1: {}
+
+  raw-body@3.0.0:
+    dependencies:
+      bytes: 3.1.2
+      http-errors: 2.0.0
+      iconv-lite: 0.6.3
+      unpipe: 1.0.0
+
+  readdirp@3.6.0:
+    dependencies:
+      picomatch: 2.3.1
+
+  router@2.2.0:
+    dependencies:
+      debug: 4.4.0(supports-color@5.5.0)
+      depd: 2.0.0
+      is-promise: 4.0.0
+      parseurl: 1.3.3
+      path-to-regexp: 8.2.0
+    transitivePeerDependencies:
+      - supports-color
+
+  safe-buffer@5.2.1: {}
+
+  safer-buffer@2.1.2: {}
+
+  semver@7.7.1: {}
+
+  send@1.2.0:
+    dependencies:
+      debug: 4.4.0(supports-color@5.5.0)
+      encodeurl: 2.0.0
+      escape-html: 1.0.3
+      etag: 1.8.1
+      fresh: 2.0.0
+      http-errors: 2.0.0
+      mime-types: 3.0.1
+      ms: 2.1.3
+      on-finished: 2.4.1
+      range-parser: 1.2.1
+      statuses: 2.0.1
+    transitivePeerDependencies:
+      - supports-color
+
+  serve-static@2.2.0:
+    dependencies:
+      encodeurl: 2.0.0
+      escape-html: 1.0.3
+      parseurl: 1.3.3
+      send: 1.2.0
+    transitivePeerDependencies:
+      - supports-color
+
+  setprototypeof@1.2.0: {}
+
+  side-channel-list@1.0.0:
+    dependencies:
+      es-errors: 1.3.0
+      object-inspect: 1.13.4
+
+  side-channel-map@1.0.1:
+    dependencies:
+      call-bound: 1.0.4
+      es-errors: 1.3.0
+      get-intrinsic: 1.3.0
+      object-inspect: 1.13.4
+
+  side-channel-weakmap@1.0.2:
+    dependencies:
+      call-bound: 1.0.4
+      es-errors: 1.3.0
+      get-intrinsic: 1.3.0
+      object-inspect: 1.13.4
+      side-channel-map: 1.0.1
+
+  side-channel@1.1.0:
+    dependencies:
+      es-errors: 1.3.0
+      object-inspect: 1.13.4
+      side-channel-list: 1.0.0
+      side-channel-map: 1.0.1
+      side-channel-weakmap: 1.0.2
+
+  simple-update-notifier@2.0.0:
+    dependencies:
+      semver: 7.7.1
+
+  statuses@2.0.1: {}
+
+  supports-color@5.5.0:
+    dependencies:
+      has-flag: 3.0.0
+
+  to-regex-range@5.0.1:
+    dependencies:
+      is-number: 7.0.0
+
+  toidentifier@1.0.1: {}
+
+  touch@3.1.1: {}
+
+  ts-node@10.9.2(@types/node@22.15.3)(typescript@5.8.3):
+    dependencies:
+      '@cspotcode/source-map-support': 0.8.1
+      '@tsconfig/node10': 1.0.11
+      '@tsconfig/node12': 1.0.11
+      '@tsconfig/node14': 1.0.3
+      '@tsconfig/node16': 1.0.4
+      '@types/node': 22.15.3
+      acorn: 8.14.1
+      acorn-walk: 8.3.4
+      arg: 4.1.3
+      create-require: 1.1.1
+      diff: 4.0.2
+      make-error: 1.3.6
+      typescript: 5.8.3
+      v8-compile-cache-lib: 3.0.1
+      yn: 3.1.1
+
+  type-is@2.0.1:
+    dependencies:
+      content-type: 1.0.5
+      media-typer: 1.1.0
+      mime-types: 3.0.1
+
+  typescript@5.8.3: {}
+
+  undefsafe@2.0.5: {}
+
+  undici-types@6.21.0: {}
+
+  unpipe@1.0.0: {}
+
+  v8-compile-cache-lib@3.0.1: {}
+
+  vary@1.1.2: {}
+
+  wrappy@1.0.2: {}
+
+  ws@7.5.10: {}
+
+  yn@3.1.1: {}
--- a/server/src/server.ts
+++ b/server/src/server.ts
+import cors from 'cors';
+import { randomUUID } from 'crypto';
+import express from 'express';
+import expressWs from 'express-ws';
+
+const PORT = 8000;
+
+const { app } = expressWs(express());
+
+app.use(cors());
+
+const activeConnections: any = {};
+
+app.ws('/chat', function (ws) {
+  console.log('client connected');
+  const id = randomUUID();
+  console.log('client connected! id=', id);
+
+  activeConnections[id] = ws;
+
+  ws.on('close', () => {
+    console.log('client disconnected! id=', id);
+    delete activeConnections[id];
+  });
+
+  let username = '';
+
+  ws.on('message', (msg: string) => {
+    const decodedMessage = JSON.parse(msg);
+
+    switch (decodedMessage.type) {
+      case 'SET_USERNAME':
+        username = decodedMessage.username;
+        break;
+
+      case 'CREATE_MESSAGE':
+        Object.keys(activeConnections).forEach((connId) => {
+          const conn = activeConnections[connId];
+          
+          conn.send(
+            JSON.stringify({
+              type: 'NEW_MESSAGE',
+              message: {
+                username,
+                text: decodedMessage.text,
+              },
+            }),
+          );
+        });
+
+        break;
+      default:
+        console.log('Unknown message type:', decodedMessage.type);
+    }
+  });
+});
+
+app.listen(PORT, () => {
+  console.log(`Server started on ${PORT} port!`);
+});
--- a/server/tsconfig.json
+++ b/server/tsconfig.json
+{
+	"compilerOptions": {
+		"target": "es6",
+
+		"module": "commonjs",
+
+		"pretty": true,
+
+		"sourceMap": true,
+
+		"outDir": "dist",
+
+		"strict": true,
+
+		"noImplicitAny": true,
+
+		"strictNullChecks": true,
+
+		"noImplicitThis": true,
+
+		"alwaysStrict": true,
+
+		"noUnusedLocals": false,
+
+		"noUnusedParameters": false,
+
+		"noImplicitReturns": true,
+
+		"noFallthroughCasesInSwitch": true,
+
+		"moduleResolution": "node",
+
+		"allowSyntheticDefaultImports": true,
+
+		"resolveJsonModule": true,
+
+		"esModuleInterop": true
+	},
+
+	"include": ["src/**/*.ts"],
+
+	"exclude": ["node_modules"]
+}