next.js-tutorial

Next.js Tutorial

There are numerous web frameworks available, and with the introduction of Node.js, even more, have been released. Every web developer uses one or more web frameworks (sometimes more if their services have distinct requirements), and businesses use multiple frameworks, but each has its own set of advantages and disadvantages. These frameworks serve as a framework for developers to build on, offering the essential capabilities that every web framework must have in order to be considered a suitable fit for a developer or company’s tech stack.

The react framework Next.js is built on. It can create attractive Web applications for various platforms, including Windows, Linux, and Mac. TypeScript is used by Nest.js, which is a good compromise. It’s a language that combines the power and simplicity of JavaScript with the type safety of other programming languages. Because the Nest.js server is built to a Node.js Express server that runs JavaScript, type safety is only provided at compile time. This is still a significant benefit, as it allows you to better design error-free programmes prior to runtime. React, webpack, and babel are all used in Next.js. It’s a fantastic tool for building online applications, and it’s well-known for server-side rendering. Zeit is the creator of Next.js. Developers that are already familiar with HTML, CSS, JavaScript, and React can quickly pick up next. js.

Nest is a modern web framework built on top of a Node.js Express server, therefore it has more of these functionalities. Nest helps bring scalable Node.js servers to a whole new level when designing and implementing server-side applications by combining the power of contemporary ES6 JavaScript for flexibility and TypeScript to enforce type safety during compile time. Nest combines three strategies to provide a successful formula for highly testable, scalable, loosely linked and maintainable systems. These are they:

  • Object-Oriented Programming (OOP): is a programming paradigm that emphasises objects over actions and reusability above niche functionality.
  • Functional Programming (FP): is the process of creating deterministic functionality that does not rely on global states, such as a function f(x) that returns the same result every time for a set of constant arguments.
  • FRP (Functional Reactive Programming): is a combination of FP with reactive programming. At its foundation, Functional Reactive Programming is functional programming that accounts for temporal flow. It’s important in applications like user interfaces, simulations, robotics, and other areas where the exact solution for one time period may change from another.

You can simply design and test sophisticated React-based applications with Next.js. The features of Next.js are listed below.

  • Next.js supports hot reload. Next.js server identifies modified files and automatically reloads them.
  • No need to configure any urls for routing with automatic routing. The files should be saved in the pages folder. The file system will be mapped to all URLs. Customization is possible.
  • Styled-jsx includes support for both global and component specific styles.
  • React components are pre rendered on the server, so they load faster on the client.
  • Next is the Node Ecosystem. The react-based nature of js fits in well with the Node environment.
  • Separate the code automatically. Next.js renders websites that require libraries. Next. js creates numerous resources instead of a single huge javascript file. Only the required javascript pages are loaded when a page is loaded.
  • The Link component in js, which is used to connect different components, has a prefetch feature that allows you to prefetch page resources in the background.
  • Next.js allows you to dynamically import JavaScript modules and React Components.
  • Your web application can export an entire static site using JavaScript.
  • Typescript support is built-in. Typescript support is excellent in js, which is written in Typescripts.

Advantages of NextJS

  • Single-page application development and server-side rendering
  • SEO code splitting Static Site Generator
  • Build improvements
  • Offline and prerendering features are available in Progress apps.
  • It is faster in development and development loading is nice since it supports pre-generate HTML in the server as well as in the browser at build/run time.
  • Image Enhancement
  • Better User Experience with Page Routing
  • Rapid reloading

Disadvantages of NextJS

  • For simple applications, it’s overkill.
  • Plugins have a shorter build time.
  • State management isn’t included in the framework.

Use of Next.js

NextJS is used to create HTTP web applications that run react code on the server-side rendering. NextJS aids in the development of the following applications.

  • Static sites: In this case, HTML files are generated at build time and then moved to a CDN or Web server, where they may be accessed as static HTML files. – These strategies are employed on blogs and other content-related websites where content changes are infrequent.
  • Incremental Static Regeneration (ISR): All static HTML pages are generated at build time, however, any new or changed pages are generated at runtime rather than at build time. Any new pages that were generated, edited, or removed are referred to as incremental. At runtime, it does not generate all pages. These can be used in eCommerce sites to add new products or adjust prices on existing products on a regular basis.
  • Single Page Applications: The term implies that the entire application is comprised of a single HTML page that loads client-side. It’s a web application that loads the complete page at first, then uses javascript to load and update the HTML content based on the client’s request.
  • Rendering on the Server (SSR): When a client delivers a request, the client typically executes javascript code, generates HTML, and presents it to the user on the client side. In the SSR approach, the server functions in the opposite direction of single-page applications. When a client submits a request to the server, the server generates HTML and delivers it to the client, where it is displayed.

Prerequisites

Before proceeding with this tutorial, you should have a basic understanding of JavaScript and React.

Audience

This tutorial is designed for software programmers who want to learn the basics of Next.js and its concepts in a simple and easy manner. This tutorial will give you enough understanding on the various functionalities of Next.js with suitable examples.

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