mirror of
https://github.com/Nezumi-2711/websocket-demo.git
synced 2026-09-22 05:41:47 +00:00
first commit
This commit is contained in:
Loi Phan
+41
@@ -0,0 +1,41 @@
|
||||
# See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
|
||||
|
||||
# dependencies
|
||||
/node_modules
|
||||
/.pnp
|
||||
.pnp.*
|
||||
.yarn/*
|
||||
!.yarn/patches
|
||||
!.yarn/plugins
|
||||
!.yarn/releases
|
||||
!.yarn/versions
|
||||
|
||||
# testing
|
||||
/coverage
|
||||
|
||||
# next.js
|
||||
/.next/
|
||||
/out/
|
||||
|
||||
# production
|
||||
/build
|
||||
|
||||
# misc
|
||||
.DS_Store
|
||||
*.pem
|
||||
|
||||
# debug
|
||||
npm-debug.log*
|
||||
yarn-debug.log*
|
||||
yarn-error.log*
|
||||
.pnpm-debug.log*
|
||||
|
||||
# env files (can opt-in for committing if needed)
|
||||
.env*
|
||||
|
||||
# vercel
|
||||
.vercel
|
||||
|
||||
# typescript
|
||||
*.tsbuildinfo
|
||||
next-env.d.ts
|
||||
@@ -0,0 +1,139 @@
|
||||
# WebSocket Demo with Next.js
|
||||
|
||||
This project demonstrates real-time communication using WebSocket with a Next.js frontend and a standalone WebSocket server.
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||||
|
||||
## Features
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||||
|
||||
- Real-time messaging between multiple clients
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||||
- Connection status indicator
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- Message history with timestamps
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||||
- Sender name customization
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||||
- Responsive design with Tailwind CSS
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||||
|
||||
## Project Structure
|
||||
|
||||
```
|
||||
src/
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||||
├── app/
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│ ├── page.tsx # Main page component
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│ └── layout.tsx # App layout
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||||
├── components/
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│ └── WebSocketDemo.tsx # WebSocket client component
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||||
server/
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└── websocket.js # WebSocket server
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||||
```
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||||
|
||||
## Getting Started
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||||
|
||||
### Prerequisites
|
||||
|
||||
- Node.js (version 18 or higher)
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||||
- pnpm (recommended) or npm
|
||||
|
||||
### Installation
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||||
|
||||
1. Install dependencies:
|
||||
```bash
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pnpm install
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||||
```
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||||
|
||||
### Running the Application
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||||
|
||||
#### Option 1: Run both servers simultaneously (Recommended)
|
||||
```bash
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||||
pnpm run dev:all
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||||
```
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||||
|
||||
This will start:
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- Next.js development server on http://localhost:3000
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||||
- WebSocket server on ws://localhost:8080
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||||
|
||||
#### Option 2: Run servers separately
|
||||
|
||||
1. Start the WebSocket server:
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||||
```bash
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||||
pnpm run ws-server
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||||
```
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||||
|
||||
2. In another terminal, start the Next.js development server:
|
||||
```bash
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pnpm run dev
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||||
```
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||||
|
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### Usage
|
||||
|
||||
1. Open [http://localhost:3000](http://localhost:3000) in your browser
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2. Enter your name (optional)
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3. Click "Connect" to establish WebSocket connection
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||||
4. Start sending messages
|
||||
5. Open multiple browser tabs/windows to test real-time messaging between clients
|
||||
|
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## WebSocket Server Details
|
||||
|
||||
The WebSocket server (`server/websocket.js`) provides:
|
||||
|
||||
- Connection management for multiple clients
|
||||
- Message broadcasting to all connected clients
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- Welcome messages for new connections
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||||
- Error handling and logging
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||||
|
||||
### Message Format
|
||||
|
||||
Messages sent between client and server follow this JSON structure:
|
||||
|
||||
```json
|
||||
{
|
||||
"type": "broadcast",
|
||||
"message": "Hello, World!",
|
||||
"sender": "John Doe",
|
||||
"timestamp": "2025-08-20T10:30:00.000Z"
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||||
}
|
||||
```
|
||||
|
||||
## Technologies Used
|
||||
|
||||
- **Next.js 15** - React framework
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||||
- **React 19** - UI library
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||||
- **TypeScript** - Type safety
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||||
- **Tailwind CSS** - Styling
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||||
- **ws** - WebSocket library
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||||
- **WebSocket API** - Browser WebSocket implementation
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||||
|
||||
## Development
|
||||
|
||||
### Scripts
|
||||
|
||||
- `pnpm run dev` - Start Next.js development server
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||||
- `pnpm run build` - Build for production
|
||||
- `pnpm run start` - Start production server
|
||||
- `pnpm run ws-server` - Start WebSocket server
|
||||
- `pnpm run dev:all` - Start both servers simultaneously
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||||
- `pnpm run lint` - Run ESLint
|
||||
|
||||
### Customization
|
||||
|
||||
You can customize the WebSocket server by modifying `server/websocket.js`:
|
||||
|
||||
- Change the port (default: 8080)
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||||
- Add authentication
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||||
- Implement different message types
|
||||
- Add message persistence
|
||||
- Implement rooms/channels
|
||||
|
||||
## Troubleshooting
|
||||
|
||||
### Connection Issues
|
||||
|
||||
If you can't connect to the WebSocket server:
|
||||
|
||||
1. Ensure the WebSocket server is running on port 8080
|
||||
2. Check if the port is already in use by another application
|
||||
3. Verify firewall settings allow connections on port 8080
|
||||
|
||||
### CORS Issues
|
||||
|
||||
If running in production, you may need to configure CORS settings for the WebSocket server.
|
||||
|
||||
## License
|
||||
|
||||
This project is open source and available under the [MIT License](LICENSE).
|
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@@ -0,0 +1,25 @@
|
||||
import { dirname } from "path";
|
||||
import { fileURLToPath } from "url";
|
||||
import { FlatCompat } from "@eslint/eslintrc";
|
||||
|
||||
const __filename = fileURLToPath(import.meta.url);
|
||||
const __dirname = dirname(__filename);
|
||||
|
||||
const compat = new FlatCompat({
|
||||
baseDirectory: __dirname,
|
||||
});
|
||||
|
||||
const eslintConfig = [
|
||||
...compat.extends("next/core-web-vitals", "next/typescript"),
|
||||
{
|
||||
ignores: [
|
||||
"node_modules/**",
|
||||
".next/**",
|
||||
"out/**",
|
||||
"build/**",
|
||||
"next-env.d.ts",
|
||||
],
|
||||
},
|
||||
];
|
||||
|
||||
export default eslintConfig;
|
||||
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|
||||
import type { NextConfig } from "next";
|
||||
|
||||
const nextConfig: NextConfig = {
|
||||
/* config options here */
|
||||
};
|
||||
|
||||
export default nextConfig;
|
||||
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|
||||
{
|
||||
"name": "web-socket-demo",
|
||||
"version": "0.1.0",
|
||||
"private": true,
|
||||
"scripts": {
|
||||
"dev": "next dev --turbopack",
|
||||
"build": "next build --turbopack",
|
||||
"start": "next start",
|
||||
"lint": "eslint",
|
||||
"ws-server": "node server/websocket.js",
|
||||
"dev:all": "concurrently \"pnpm run dev\" \"pnpm run ws-server\""
|
||||
},
|
||||
"dependencies": {
|
||||
"@types/ws": "^8.18.1",
|
||||
"next": "15.5.0",
|
||||
"react": "19.1.0",
|
||||
"react-dom": "19.1.0",
|
||||
"ws": "8.18.3"
|
||||
},
|
||||
"devDependencies": {
|
||||
"@eslint/eslintrc": "^3",
|
||||
"@tailwindcss/postcss": "^4",
|
||||
"@types/node": "^20",
|
||||
"@types/react": "^19",
|
||||
"@types/react-dom": "^19",
|
||||
"concurrently": "^9.2.0",
|
||||
"eslint": "^9",
|
||||
"eslint-config-next": "15.5.0",
|
||||
"tailwindcss": "^4",
|
||||
"typescript": "^5"
|
||||
}
|
||||
}
|
||||
Generated
+3593
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Load Diff
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const config = {
|
||||
plugins: ["@tailwindcss/postcss"],
|
||||
};
|
||||
|
||||
export default config;
|
||||
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||||
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||||
|
After Width: | Height: | Size: 391 B |
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||||
|
After Width: | Height: | Size: 1.0 KiB |
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|
||||
|
After Width: | Height: | Size: 1.3 KiB |
@@ -0,0 +1 @@
|
||||
<svg fill="none" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1155 1000"><path d="m577.3 0 577.4 1000H0z" fill="#fff"/></svg>
|
||||
|
After Width: | Height: | Size: 128 B |
@@ -0,0 +1 @@
|
||||
<svg fill="none" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16"><path fill-rule="evenodd" clip-rule="evenodd" d="M1.5 2.5h13v10a1 1 0 0 1-1 1h-11a1 1 0 0 1-1-1zM0 1h16v11.5a2.5 2.5 0 0 1-2.5 2.5h-11A2.5 2.5 0 0 1 0 12.5zm3.75 4.5a.75.75 0 1 0 0-1.5.75.75 0 0 0 0 1.5M7 4.75a.75.75 0 1 1-1.5 0 .75.75 0 0 1 1.5 0m1.75.75a.75.75 0 1 0 0-1.5.75.75 0 0 0 0 1.5" fill="#666"/></svg>
|
||||
|
After Width: | Height: | Size: 385 B |
@@ -0,0 +1,53 @@
|
||||
const { WebSocketServer } = require('ws');
|
||||
const { createServer } = require('http');
|
||||
|
||||
const server = createServer();
|
||||
const wss = new WebSocketServer({ server });
|
||||
|
||||
wss.on('connection', (ws) => {
|
||||
console.log('Client connected');
|
||||
|
||||
// Send welcome message
|
||||
ws.send(JSON.stringify({
|
||||
type: 'welcome',
|
||||
message: 'Connected to WebSocket server!',
|
||||
timestamp: new Date().toISOString()
|
||||
}));
|
||||
|
||||
// Handle incoming messages
|
||||
ws.on('message', (data) => {
|
||||
try {
|
||||
const message = JSON.parse(data.toString());
|
||||
console.log('Received:', message);
|
||||
|
||||
// Broadcast to all connected clients
|
||||
wss.clients.forEach((client) => {
|
||||
if (client.readyState === 1) { // WebSocket.OPEN
|
||||
client.send(JSON.stringify({
|
||||
type: 'broadcast',
|
||||
message: message.message,
|
||||
sender: message.sender || 'Anonymous',
|
||||
timestamp: new Date().toISOString()
|
||||
}));
|
||||
}
|
||||
});
|
||||
} catch (error) {
|
||||
console.error('Error parsing message:', error);
|
||||
}
|
||||
});
|
||||
|
||||
ws.on('close', () => {
|
||||
console.log('Client disconnected');
|
||||
});
|
||||
|
||||
ws.on('error', (error) => {
|
||||
console.error('WebSocket error:', error);
|
||||
});
|
||||
});
|
||||
|
||||
const PORT = process.env.WS_PORT || 8080;
|
||||
server.listen(PORT, () => {
|
||||
console.log(`WebSocket server started on port ${PORT}`);
|
||||
});
|
||||
|
||||
module.exports = { wss };
|
||||
Binary file not shown.
|
After Width: | Height: | Size: 25 KiB |
@@ -0,0 +1,26 @@
|
||||
@import "tailwindcss";
|
||||
|
||||
:root {
|
||||
--background: #ffffff;
|
||||
--foreground: #171717;
|
||||
}
|
||||
|
||||
@theme inline {
|
||||
--color-background: var(--background);
|
||||
--color-foreground: var(--foreground);
|
||||
--font-sans: var(--font-geist-sans);
|
||||
--font-mono: var(--font-geist-mono);
|
||||
}
|
||||
|
||||
@media (prefers-color-scheme: dark) {
|
||||
:root {
|
||||
--background: #0a0a0a;
|
||||
--foreground: #ededed;
|
||||
}
|
||||
}
|
||||
|
||||
body {
|
||||
background: var(--background);
|
||||
color: var(--foreground);
|
||||
font-family: Arial, Helvetica, sans-serif;
|
||||
}
|
||||
@@ -0,0 +1,34 @@
|
||||
import type { Metadata } from "next";
|
||||
import { Geist, Geist_Mono } from "next/font/google";
|
||||
import "./globals.css";
|
||||
|
||||
const geistSans = Geist({
|
||||
variable: "--font-geist-sans",
|
||||
subsets: ["latin"],
|
||||
});
|
||||
|
||||
const geistMono = Geist_Mono({
|
||||
variable: "--font-geist-mono",
|
||||
subsets: ["latin"],
|
||||
});
|
||||
|
||||
export const metadata: Metadata = {
|
||||
title: "Create Next App",
|
||||
description: "Generated by create next app",
|
||||
};
|
||||
|
||||
export default function RootLayout({
|
||||
children,
|
||||
}: Readonly<{
|
||||
children: React.ReactNode;
|
||||
}>) {
|
||||
return (
|
||||
<html lang="en">
|
||||
<body
|
||||
className={`${geistSans.variable} ${geistMono.variable} antialiased`}
|
||||
>
|
||||
{children}
|
||||
</body>
|
||||
</html>
|
||||
);
|
||||
}
|
||||
@@ -0,0 +1,11 @@
|
||||
import WebSocketDemo from "@/components/WebSocketDemo";
|
||||
|
||||
export default function Home() {
|
||||
return (
|
||||
<div className="min-h-screen bg-gray-100 py-8">
|
||||
<div className="container mx-auto px-4">
|
||||
<WebSocketDemo />
|
||||
</div>
|
||||
</div>
|
||||
);
|
||||
}
|
||||
@@ -0,0 +1,220 @@
|
||||
'use client';
|
||||
|
||||
import React, { useState, useEffect, useRef } from 'react';
|
||||
|
||||
interface Message {
|
||||
type: string;
|
||||
message: string;
|
||||
sender?: string;
|
||||
timestamp: string;
|
||||
}
|
||||
|
||||
export default function WebSocketDemo() {
|
||||
const [messages, setMessages] = useState<Message[]>([]);
|
||||
const [inputMessage, setInputMessage] = useState('');
|
||||
const [senderName, setSenderName] = useState('');
|
||||
const [isConnected, setIsConnected] = useState(false);
|
||||
const [connectionStatus, setConnectionStatus] = useState('Disconnected');
|
||||
const ws = useRef<WebSocket | null>(null);
|
||||
const messagesEndRef = useRef<HTMLDivElement>(null);
|
||||
|
||||
const scrollToBottom = () => {
|
||||
messagesEndRef.current?.scrollIntoView({ behavior: 'smooth' });
|
||||
};
|
||||
|
||||
useEffect(() => {
|
||||
scrollToBottom();
|
||||
}, [messages]);
|
||||
|
||||
const connectWebSocket = () => {
|
||||
if (ws.current?.readyState === WebSocket.OPEN) {
|
||||
return;
|
||||
}
|
||||
|
||||
setConnectionStatus('Connecting...');
|
||||
ws.current = new WebSocket('ws://localhost:8080');
|
||||
|
||||
ws.current.onopen = () => {
|
||||
setIsConnected(true);
|
||||
setConnectionStatus('Connected');
|
||||
console.log('Connected to WebSocket server');
|
||||
};
|
||||
|
||||
ws.current.onmessage = (event) => {
|
||||
try {
|
||||
const data = JSON.parse(event.data);
|
||||
setMessages(prev => [...prev, data]);
|
||||
} catch (error) {
|
||||
console.error('Error parsing message:', error);
|
||||
}
|
||||
};
|
||||
|
||||
ws.current.onclose = () => {
|
||||
setIsConnected(false);
|
||||
setConnectionStatus('Disconnected');
|
||||
console.log('Disconnected from WebSocket server');
|
||||
};
|
||||
|
||||
ws.current.onerror = (error) => {
|
||||
setConnectionStatus('Error');
|
||||
console.error('WebSocket error:', error);
|
||||
};
|
||||
};
|
||||
|
||||
const disconnectWebSocket = () => {
|
||||
if (ws.current) {
|
||||
ws.current.close();
|
||||
ws.current = null;
|
||||
}
|
||||
};
|
||||
|
||||
const sendMessage = () => {
|
||||
if (ws.current?.readyState === WebSocket.OPEN && inputMessage.trim()) {
|
||||
const message = {
|
||||
message: inputMessage,
|
||||
sender: senderName || 'Anonymous',
|
||||
timestamp: new Date().toISOString()
|
||||
};
|
||||
|
||||
ws.current.send(JSON.stringify(message));
|
||||
setInputMessage('');
|
||||
}
|
||||
};
|
||||
|
||||
const handleKeyPress = (e: React.KeyboardEvent) => {
|
||||
if (e.key === 'Enter' && !e.shiftKey) {
|
||||
e.preventDefault();
|
||||
sendMessage();
|
||||
}
|
||||
};
|
||||
|
||||
const getStatusColor = () => {
|
||||
switch (connectionStatus) {
|
||||
case 'Connected':
|
||||
return 'text-green-600';
|
||||
case 'Connecting...':
|
||||
return 'text-yellow-600';
|
||||
case 'Error':
|
||||
return 'text-red-600';
|
||||
default:
|
||||
return 'text-gray-600';
|
||||
}
|
||||
};
|
||||
|
||||
return (
|
||||
<div className="max-w-4xl mx-auto p-6 bg-white rounded-lg shadow-lg">
|
||||
<div className="mb-6">
|
||||
<h1 className="text-3xl font-bold text-gray-800 mb-2">WebSocket Demo</h1>
|
||||
<p className="text-gray-600">Real-time messaging with Next.js and WebSocket</p>
|
||||
</div>
|
||||
|
||||
{/* Connection Status */}
|
||||
<div className="mb-4 p-3 bg-gray-100 rounded-lg">
|
||||
<div className="flex items-center justify-between">
|
||||
<span className={`font-semibold ${getStatusColor()}`}>
|
||||
Status: {connectionStatus}
|
||||
</span>
|
||||
<div className="space-x-2">
|
||||
<button
|
||||
onClick={connectWebSocket}
|
||||
disabled={isConnected}
|
||||
className={`px-4 py-2 rounded font-medium ${
|
||||
isConnected
|
||||
? 'bg-gray-300 text-gray-500 cursor-not-allowed'
|
||||
: 'bg-blue-500 text-white hover:bg-blue-600'
|
||||
}`}
|
||||
>
|
||||
Connect
|
||||
</button>
|
||||
<button
|
||||
onClick={disconnectWebSocket}
|
||||
disabled={!isConnected}
|
||||
className={`px-4 py-2 rounded font-medium ${
|
||||
!isConnected
|
||||
? 'bg-gray-300 text-gray-500 cursor-not-allowed'
|
||||
: 'bg-red-500 text-white hover:bg-red-600'
|
||||
}`}
|
||||
>
|
||||
Disconnect
|
||||
</button>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
|
||||
{/* Sender Name Input */}
|
||||
<div className="mb-4">
|
||||
<input
|
||||
type="text"
|
||||
placeholder="Enter your name (optional)"
|
||||
value={senderName}
|
||||
onChange={(e) => setSenderName(e.target.value)}
|
||||
className="w-full p-3 border border-gray-300 rounded-lg focus:outline-none focus:ring-2 focus:ring-blue-500"
|
||||
/>
|
||||
</div>
|
||||
|
||||
{/* Messages Container */}
|
||||
<div className="mb-4 h-96 border border-gray-300 rounded-lg p-4 overflow-y-auto bg-gray-50">
|
||||
{messages.length === 0 ? (
|
||||
<div className="text-gray-500 text-center py-8">
|
||||
No messages yet. Connect to the WebSocket server and start chatting!
|
||||
</div>
|
||||
) : (
|
||||
messages.map((msg, index) => (
|
||||
<div key={index} className="mb-3 p-3 bg-white rounded-lg shadow-sm">
|
||||
<div className="flex justify-between items-start mb-1">
|
||||
<span className="font-semibold text-blue-600">
|
||||
{msg.sender || 'Anonymous'}
|
||||
</span>
|
||||
<span className="text-xs text-gray-500">
|
||||
{new Date(msg.timestamp).toLocaleTimeString()}
|
||||
</span>
|
||||
</div>
|
||||
<div className="text-gray-800">{msg.message}</div>
|
||||
{msg.type === 'welcome' && (
|
||||
<div className="text-xs text-green-600 mt-1">Welcome message</div>
|
||||
)}
|
||||
</div>
|
||||
))
|
||||
)}
|
||||
<div ref={messagesEndRef} />
|
||||
</div>
|
||||
|
||||
{/* Message Input */}
|
||||
<div className="flex gap-2">
|
||||
<input
|
||||
type="text"
|
||||
placeholder="Type your message..."
|
||||
value={inputMessage}
|
||||
onChange={(e) => setInputMessage(e.target.value)}
|
||||
onKeyPress={handleKeyPress}
|
||||
disabled={!isConnected}
|
||||
className={`flex-1 p-3 border border-gray-300 rounded-lg focus:outline-none focus:ring-2 focus:ring-blue-500 ${
|
||||
!isConnected ? 'bg-gray-100 cursor-not-allowed' : ''
|
||||
}`}
|
||||
/>
|
||||
<button
|
||||
onClick={sendMessage}
|
||||
disabled={!isConnected || !inputMessage.trim()}
|
||||
className={`px-6 py-3 rounded-lg font-medium ${
|
||||
!isConnected || !inputMessage.trim()
|
||||
? 'bg-gray-300 text-gray-500 cursor-not-allowed'
|
||||
: 'bg-blue-500 text-white hover:bg-blue-600'
|
||||
}`}
|
||||
>
|
||||
Send
|
||||
</button>
|
||||
</div>
|
||||
|
||||
{/* Instructions */}
|
||||
<div className="mt-6 p-4 bg-blue-50 rounded-lg">
|
||||
<h3 className="font-semibold text-blue-800 mb-2">Instructions:</h3>
|
||||
<ol className="text-sm text-blue-700 space-y-1">
|
||||
<li>1. Start the WebSocket server by running: <code className="bg-blue-100 px-1 rounded">node server/websocket.js</code></li>
|
||||
<li>2. Click "Connect" to establish WebSocket connection</li>
|
||||
<li>3. Enter your name (optional) and start sending messages</li>
|
||||
<li>4. Open multiple browser tabs to see real-time messaging between clients</li>
|
||||
</ol>
|
||||
</div>
|
||||
</div>
|
||||
);
|
||||
}
|
||||
@@ -0,0 +1,27 @@
|
||||
{
|
||||
"compilerOptions": {
|
||||
"target": "ES2017",
|
||||
"lib": ["dom", "dom.iterable", "esnext"],
|
||||
"allowJs": true,
|
||||
"skipLibCheck": true,
|
||||
"strict": true,
|
||||
"noEmit": true,
|
||||
"esModuleInterop": true,
|
||||
"module": "esnext",
|
||||
"moduleResolution": "bundler",
|
||||
"resolveJsonModule": true,
|
||||
"isolatedModules": true,
|
||||
"jsx": "preserve",
|
||||
"incremental": true,
|
||||
"plugins": [
|
||||
{
|
||||
"name": "next"
|
||||
}
|
||||
],
|
||||
"paths": {
|
||||
"@/*": ["./src/*"]
|
||||
}
|
||||
},
|
||||
"include": ["next-env.d.ts", "**/*.ts", "**/*.tsx", ".next/types/**/*.ts"],
|
||||
"exclude": ["node_modules"]
|
||||
}
|
||||
Reference in New Issue
Block a user