Next.JS 3

Third Version of NextJS

Next.js 3 was an early version of the popular React framework, released in August 2017. While it is outdated now, it introduced several important features and improvements that set the stage for later advancements. Below are the details of Next.js 3:

Here are the key details and features of Next.js 3:

Key Features of Next.js 3

1. Static Exporting (next export)

• Enabled developers to export their Next.js applications as a set of static files.
• This feature made it possible to deploy apps to any static hosting service (e.g., GitHub Pages or Netlify).

2. Dynamic Import (next/dynamic)

• Introduced support for dynamic imports, allowing developers to lazy-load components.
• Reduced initial page load times by splitting the JavaScript bundle.
• Example:
import dynamic from next/dynamic;
const DynamicComponent = dynamic(() => import('./path-to-component'));
function Page() {
return <DynamicComponent />;
}

3. Custom Error Pages

• Developers could now create custom error pages (pages/_error.js).
• Allowed better handling of errors and provided a more branded user experience.

4. Improved Hot Module Replacement (HMR)

• Enhanced development experience with better live updates during development without requiring a full reload.

5. Enhanced Routing

• The routing system became more robust, allowing dynamic routing and custom routes

6. Improved Build Size and Performance

• Optimizations to reduce build size and improve runtime performance.

7. Support for Environment Variables

• Simplified injecting environment-specific settings into applications.

8. Server-Side Rendering (SSR) Improvements

• More reliable support for SSR with better caching and rendering performance