/NextJs-v14-doc

This repo is a summery for nextjs 14

Primary LanguageTypeScriptMIT LicenseMIT

key differences in Next.js versions 13, 13.4, 13.5, and 14 :

  • 13.4: Stabilizes the App Router, which provides a new way to structure your application with layouts, server components, and streaming. It also introduces Turbopack (beta), a Rust-based Webpack replacement promising faster build times.

  • 13.5: Focuses on performance and developer experience improvements, boasting 22% faster local server startup, 29% faster HMR (Hot Module Replacement), and 40% less memory usage compared to 13.4. Additionally, it includes bug fixes and optimizations for next/image and the App Router.

  • 14: Introduces significant new features and breaking changes. Most notably, it features Automatic Static Optimization (ASTRO) for improved performance and SEO, server-side rendering improvements for faster initial page loads, and a new data fetching API (SWR) for simpler and more efficient data management. However, these advancements come with breaking changes to routing and data fetching APIs, requiring code migration for existing projects.

In summary:

  • 13.4 vs 13.5: Incremental improvements in performance and stability, no major breaking changes.
  • 13.5 vs 14: Huge leap in features and performance, but with breaking changes that necessitate code updates.

Choosing the right version depends on your specific needs and preferences. If you're working on a new project and want the latest and greatest features, 14 is the way to go. However, if you're working on an existing project and want to avoid code changes, sticking with 13.5 or even 13.4 might be a safer option.

Syntax changes in Next.js versions 13, 13.4, 13.5, and 14 :

Next.js has made several syntax changes between versions 13, 13.4, 13.5, and 14. These changes are intended to improve developer experience and make code more maintainable. However, it's important to carefully review the changes and update your code accordingly if you're upgrading to a newer version.

Here is a summary of the notable changes:

  • App Router: In Next.js 13.4 and 14, the syntax for defining layouts and server components within the App Router has been slightly modified.

  • Next.js Pages: In Next.js 13.5 and 14, the syntax for generating dynamic routes for static pages has been updated to use { pagePath } instead of { page }.

  • Data Fetching with SWR: In Next.js 14, the syntax for fetching data using SWR has been significantly changed. The previous get method has been replaced with useSWR hook, which requires a more declarative approach to data retrieval.

  • Page Transitions: In Next.js 14, the syntax for handling page transitions has been simplified using the useTransform hook.