Handling WebSocket Reconnection in a React App with Error State Management
I'm refactoring my project and Quick question that's been bugging me - I'm currently developing a React application that connects to a WebSocket server for real-time updates. I'm facing a challenge with managing the connection state and error handling during reconnections. The WebSocket connection drops occasionally, and I need to ensure that the app handles this gracefully without losing user state or displaying multiple error messages. I have implemented the connection logic as follows: ```javascript import React, { useEffect, useState } from 'react'; const WebSocketComponent = () => { const [socket, setSocket] = useState(null); const [error, setError] = useState(null); const [isConnected, setIsConnected] = useState(false); const connectWebSocket = () => { const ws = new WebSocket('wss://example.com/socket'); ws.onopen = () => { setIsConnected(true); setError(null); }; ws.onclose = () => { setIsConnected(false); setError('Connection closed. Attempting to reconnect...'); setTimeout(connectWebSocket, 3000); // Reconnect after 3 seconds }; ws.onerror = (event) => { setError('WebSocket error: ' + event.message); }; setSocket(ws); }; useEffect(() => { connectWebSocket(); return () => { if (socket) { socket.close(); } }; }, []); return ( <div> <h1>WebSocket Connection</h1> <p>Status: {isConnected ? 'Connected' : 'Disconnected'}</p> {error && <p style={{ color: 'red' }}>{error}</p>} </div> ); }; export default WebSocketComponent; ``` However, I noticed that when the connection drops multiple times, the error state is set multiple times, causing multiple error messages to appear in quick succession. Also, I'm unsure if there's a better way to handle the reconnection logic to prevent memory leaks or unhandled exceptions. I’ve tried using a state management library like Redux to manage the connection state globally, but I find it cumbersome for this case. What’s the best approach for efficiently handling WebSocket reconnections while minimizing user disruption and avoiding memory leaks? Should I also consider using a `useReducer` for managing complex state updates related to connection status? Any insights would be appreciated! My development environment is macOS. Any ideas what could be causing this? The project is a mobile app built with Javascript. Has anyone dealt with something similar?