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Javascript Programming Tutorials, Guides & Best Practices

Explore 93+ expertly crafted javascript tutorials, components, and code examples. Stay productive and build faster with proven implementation strategies and design patterns from DeveloperBreeze.

Tutorial

How to Translate URLs in React (2025 Guide)

Update App.js:

import React from 'react';
import { useTranslation } from 'react-i18next';
import { BrowserRouter, Routes, Route, useNavigate } from 'react-router-dom';
import { routes } from './routes';
import './i18n';

const LanguageSwitcher = () => {
  const { i18n } = useTranslation();
  const navigate = useNavigate();

  const switchLang = (lang) => {
    const currentPath = window.location.pathname;
    const currentPage = currentPath.split('/')[1];

    i18n.changeLanguage(lang).then(() => {
      // Re-map path using new language
      const t = i18n.getFixedT(lang);
      const mappedRoutes = {
        en: { accueil: 'home', 'a-propos': 'about-us' },
        fr: { home: 'accueil', 'about-us': 'a-propos' },
      };

      const newPath = `/${mappedRoutes[lang][currentPage] || ''}`;
      navigate(newPath);
    });
  };

  return (
    <div className="lang-switch">
      <button onClick={() => switchLang('en')}>EN</button>
      <button onClick={() => switchLang('fr')}>FR</button>
    </div>
  );
};

const App = () => {
  const { t } = useTranslation();

  return (
    <BrowserRouter>
      <LanguageSwitcher />
      <Routes>
        {routes(t).map((route, idx) => (
          <Route key={idx} path={route.path} element={route.element} />
        ))}
      </Routes>
    </BrowserRouter>
  );
};

export default App;

May 04, 2025
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Tutorial

Globalization in React (2025 Trends & Best Practices)

  • Avoid idioms/slang in content

They don’t always translate well.

May 04, 2025
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Tutorial

Implementing Internationalization (i18n) in a Large React Application (2025 Guide) 

const { t } = useTranslation('dashboard');
  • Add lang attribute dynamically to <html lang="...">
  • Use language subpaths (e.g., /en/home, /fr/home) for SEO indexing
  • Translate all visible UI, not just text
  • Localize URLs and metadata (title, description)
  • Use hreflang tags in SSR setups (Next.js, Remix)

May 04, 2025
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Tutorial

Building Micro-Frontends with Webpack Module Federation (2025 Guide)

Now let’s set up the main container app.

npx create-react-app app-shell
cd app-shell
npm install -D webpack webpack-cli webpack-dev-server html-webpack-plugin

May 04, 2025
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Tutorial

State Management Beyond Redux: Using Zustand for Scalable React Apps

However, for large-scale applications requiring complex state interactions, middleware, and extensive tooling, Redux might still be the preferred choice.

Zustand presents a compelling alternative to Redux for state management in React applications. Its minimalistic API, ease of use, and performance optimizations make it suitable for a wide range of projects, from simple applications to more complex systems.

May 03, 2025
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