On-demand !!!!

Hi !!!! Can do load code on-demand ????

2 Replies

kapa.ai•14mo ago

Hi @avazquezr. I'm kapa.ai, your friendly support bot. I will try to answer your question by searching through the knowledge base. :wave: ---------------------- Yes, you can load code on-demand in your React application using the React.lazy function. This is a technique known as lazy loading, which optimizes the performance of a website or application by loading only the necessary resources when they're needed, instead of downloading everything at once. Here's an example of how you can use React.lazy for route-based code-splitting:

import React, { Suspense, lazy } from "react";  
import { BrowserRouter as Router, Routes, Route } from "react-router-dom";  
  
const Home = React.lazy(() => import("./Home"));  
const About = React.lazy(() => import("./About"));  
  
const App = () => (  
 <Router>  
 <Suspense>  
 <Routes>  
 <Route path="/" element={<Home />} />  
 <Route path="/about" element={<About />} />  
 </Routes>  
 </Suspense>  
 </Router>  
);

import React, { Suspense, lazy } from "react";  
import { BrowserRouter as Router, Routes, Route } from "react-router-dom";  
  
const Home = React.lazy(() => import("./Home"));  
const About = React.lazy(() => import("./About"));  
  
const App = () => (  
 <Router>  
 <Suspense>  
 <Routes>  
 <Route path="/" element={<Home />} />  
 <Route path="/about" element={<About />} />  
 </Routes>  
 </Suspense>  
 </Router>  
);

In this example, Home and About will be broken off into their separate bundles. These bundles will be loaded when any of the page routes attached to the component is loaded. You can also use React.lazy for component-based code-splitting. This is useful for components that are not attached to the application's page route, such as Modals and Asides. For more information, you can refer to this guide on React Lazy Loading (https://refine.dev/blog/react-lazy-loading). ---------------------- Note: you can ask me a follow up question by @ mentioning me again :speech_balloon: ----------------------

kapa.ai•14mo ago

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