Nodejs installs commonly used frameworks

With the rapid development of Node.js, more and more developers choose to use Node.js to build their own applications. In the development process, choosing an appropriate framework can greatly improve development efficiency and reduce development difficulty. This article will introduce you to several commonly used Node.js frameworks and their installation methods.

1. Express

Express is one of the most popular Node.js web application frameworks. It is simple to use and highly flexible. Express can conveniently handle HTTP requests and responses, and also provides a rich set of plug-ins and middleware.

The method to install Express is as follows:

Enter the following command in the command line:

npm install express --save

After successful installation, we can see express in the project's package.json file Dependencies:

"dependencies": {
  "express": "^4.17.1"
}

2. Koa

Koa is another popular Node.js web application framework. It is the next generation created by the original team of Express Web framework. Different from Express, Koa's design concept is more concise and flexible, while paying more attention to asynchronous programming and error handling.

The method to install Koa is as follows:

Enter the following command in the command line:

npm install koa --save

After successful installation, we can see koa in the project's package.json file Dependencies:

"dependencies": {
  "koa": "^2.14.1"
}

3. Hapi

Hapi is another popular Node.js web application framework, which is a web framework developed by Walmart Labs . Hapi is designed to provide a maintainable and extensible web application development framework.

The method to install Hapi is as follows:

Enter the following command in the command line:

npm install hapi --save

After successful installation, we can see hapi in the project's package.json file Dependencies:

"dependencies": {
  "hapi": "^20.1.5"
}

4. Nest

Nest is a web application framework based on TypeScript and Node.js, which combines Node.js and its ecosystem. Excellent features and provides a way to build applications in a modular manner. Nest supports the development of a variety of web applications, including RESTful, GraphQL, and more.

The method to install Nest is as follows:

Enter the following command in the command line:

npm i -g @nestjs/cli
nestjs new my-app

After successful installation, we can see nest in the project's package.json file Dependencies:

"dependencies": {
  "@nestjs/common": "^8.0.0",
  "@nestjs/core": "^8.0.0",
  "@nestjs/platform-express": "^8.0.0",
  "reflect-metadata": "^0.1.13",
  "rxjs": "^7.2.0",
  "typescript": "^4.3.5"
}

Summary

The above introduces several commonly used Node.js frameworks and their installation methods. When choosing a framework, you need to make a choice based on the actual needs of the project and the technical level of the development team. I hope this article can be helpful to everyone when choosing a Node.js framework.

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