23 very useful nodejs libraries you need to know (recommended)

Related recommendations: "node js tutorial"

As professional developers, we must constantly update the latest and best Libraries, because if you know good libraries, then the development process can rely on them, which will save us a lot of time and help build high-quality software.

The following is a list of common and easy-to-use NodeJS libraries. Anyway, I have already collected them for future use. [Video tutorial recommendation:node js tutorial]

1. Express

Address: https://www.npmjs.com/package/express

Fast, unconstrained, minimalist node web framework.

2. Socket.io

Address: https://www.npmjs.com/package/socket.io

Socket.IO supports real-time event-based bidirectional communication.

3. Body-parser

Address: https://www.npmjs.com/package/body-parser

body-parseris a very commonly used express middleware, which is used to parse thehttprequest body.

4. Cors

Address: https://www.npmjs.com/package/cors

CORS is a node.js package that providesConnect/Expressmiddleware that can be used to enableCORSwith various options.

5. Passport

Address: https://www.npmjs.com/package/passport

Passport.js is a simple, non-intrusive Node.js authentication middleware that can be integrated into any Express.js-based web application

6. Multer

Address: https://www.npmjs.com/package/multer

## Multeris a Node.js middleware, used to processmultipart/form-datatype of form data, mainly used for file upload.

7. Axios

Address: https://www.npmjs.com/package/axios

HTTP client for Promise, used in browsers and node.js

8. Morgan

Address: https://www.npmjs. com/package/morgan

morgan is express's default logging middleware. It can also be separated from express and used as a node.js logging component. Use alone.

9. Http-errors

Address: https://www.npmjs.com/package/http-errors

Easily create HTTP errors for Express, Koa, Connect, etc.

10. Dotenv

Address: https://www.npmjs.com/package/dotenv

Due to different needs of projects, different environment variables need to be configured and different environment variable files loaded on demand. Using

dotenvcan perfectly solve this problem.

Using

dotenv, you only need to write the program's environment variable configuration in the.envfile.

11. Faker

Address: https://www.npmjs.com/package/faker

This is a great node module for mocking data. Faker has its own API and is very feature-rich, all thanks to the man who invented it, Marak. It can cover almost any use case you want to use, and the documentation on Github can also help you become familiar with its usage in minutes.

12. Nodemailer

Address: https://www.npmjs.com/package/nodemailer

Nodemaileris the email sending module in nodejs.

13. Sequelize

Address: https://www.npmjs.com/package/sequelize

What is ORM?

Simply speaking, it is an encapsulation of SQL query statements, allowing us to operate the database in an OOP manner and elegantly generate safe and maintainable SQL code. Intuitively, it is a mapping relationship between Model and SQL.

Sequelize is a powerful asynchronous ORM framework based on Nodejs.

It supports PostgreSQL, MySQL, SQLite and MSSQL databases at the same time. It is very suitable as a storage interface for Nodejs back-end database, laying a solid and safe foundation for the rapid development of Nodejs applications.

Since the strength of Nodejs is asynchronous, there is no reason not to find a powerful database framework that supports asynchronous and cooperate with it.

14 Mongoose

Address: https://www.npmjs.com/package/mongoose

Mongooseis an object model library ofmongoDB, which encapsulates some common methods of adding, deleting, modifying and checking documents in mongoDB, making it easier for nodejs to operate the mongoDB database. .

15 Jest

Address: https://www.npmjs.com/package/jest

Jestis a front-end testing framework launched by Facebook. It has many very good features, such as fast execution speed, friendly API, automatic monitoring, Snapshot, test coverage, Mock, etc. features and is applicable to Babel, TypeScript, Node, React, Angular, Vue, etc.

16. Moment

Address: https://www.npmjs.com/package/moment

A lightweight JavaScript date library for parsing, validating, manipulating and formatting dates.

17. lodash

Address: https://www.npmjs.com/package/lodash

LodashIt makes JS easier by reducing the hassle of working with arrays, numbers, objects, strings, etc.

18. chalk

Address: https://www.npmjs.com/package/chalk

chalcan be translated as "chalk", node terminal style library, the main function is to make the output no longer monotonous, add text background, change font color

19. validator

Address: https://www.npmjs.com/package/validator

light It is a large-scale, fast, and easily scalable front-end verification tool. It has no dependencies on other packages and no styles. It can be suitable for most usage scenarios. Developers can assemble feedback error messages to users according to the project environment.

20. Cheerio

Address: https://www.npmjs.com/package/cheerio

cheerioIt is very convenient to parse html, just like using jquery in the browser.

21. JSDoc

Address: https://www.npmjs.com/package/jsdoc

JSDoc is a tool that generates API documents for JavaScript applications, libraries, and modules based on annotation information in JavaScript files.

22. Helmet

Address: https://www.npmjs.com/package/helmet

Helmet is a series of middleware that helps enhance the security of Javascript web applications such as Express/Connect of Node.JS.

Some well-known web attacks include XSS cross-site scripting, script injection clickjacking and various non-safe requests, which pose various threats to Node.js web applications. Using Helmet can help your application avoid these. attack.

23. Crypto-js

Address: https://www.npmjs.com/package/crypto-js

CryptoJS (crypto.js) provides a variety of encryption algorithms for JavaScript.

English original address: https://blog.bitsrc.io/23-insanely-useful-nodejs-you-should-know-in-2020-5a9b570d5416

Author: Lokender Singh

For more programming-related knowledge, please visit:Programming Teaching! !

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