Understanding Advanced React Issues

React's declarative nature and component-based architecture make it a popular choice for front-end development. However, advanced issues in context usage, state management, and rendering require expert debugging techniques and best practices to ensure scalable and efficient applications.

Key Causes

1. Debugging React Context Performance Bottlenecks

Frequent re-renders due to context updates can degrade application performance:

import React, { createContext, useContext, useState } from "react";

const ThemeContext = createContext();

function ThemeProvider({ children }) {
    const [theme, setTheme] = useState("light");

    return (
        
            {children}
        
    );
}

function ThemedButton() {
    const { theme } = useContext(ThemeContext);
    console.log("Button re-rendered");
    return ;
}

export default function App() {
    return (
        
            
        
    );
}

2. Resolving React Suspense Issues in SSR

Suspense components can cause rendering issues in server-side rendering:

import React, { Suspense } from "react";
const LazyComponent = React.lazy(() => import("./LazyComponent"));

function App() {
    return (
        Loading...