NPM

Introduction to Babel Babel is an indispensable tool for every JavaScript developer. It solves the problem of using new JavaScript features that are not available in older browser versions. With Babel, you can transpile your modern JavaScript code into a syntax that is supported by all browsers. Installing Babel To install Babel, you need to use npm and install it locally in your project. Run the following command in your terminal:...

Yarn is a JavaScript Package Manager developed by Facebook. It is a direct competitor of npm, one of the most widely used package managers in the JavaScript ecosystem. Yarn is compatible with npm packages and serves as a drop-in replacement for npm. While it used to be faster than npm due to parallel download and caching, npm has caught up with many of its features. Regardless, Yarn remains a popular and powerful choice for managing JavaScript dependencies....

Are you encountering an issue when installing npm packages? Don’t worry, you’re not alone. This problem can occur due to the behavior of npm when installing a package in an empty folder. In this blog, we’ll discuss the issue and provide solutions to fix it. When using the command npm install <packagename> in an empty folder, npm creates a package.json file with the package as a dependency, a package-lock.json file, and installs the package in the node_modules folder....

Knowing the version of a specific package installed in your application is essential for various reasons. Here are a few methods to help you find out the installed version of an npm package. To see the latest version of all the npm packages installed, along with their dependencies, you can use the following command in your terminal: npm list For example: ❯ npm list /Users/flavio/dev/node/cowsay └─┬ [[email protected]](/cdn-cgi/l/email-protection) ├── [[email protected]](/cdn-cgi/l/email-protection) ├─┬ [[email protected]](/cdn-cgi/l/email-protection) │ ├── [[email protected]](/cdn-cgi/l/email-protection) │ └── [[email protected]](/cdn-cgi/l/email-protection) ├─┬ [[email protected]](/cdn-cgi/l/email-protection) │ ├── [[email protected]](/cdn-cgi/l/email-protection) │ └─┬ [[email protected]](/cdn-cgi/l/email-protection) │ └── [[email protected]](/cdn-cgi/l/email-protection) └── [[email protected]](/cdn-cgi/l/email-protection) Another option is to open the package-lock....

How to Install an Older Version of an npm Package If you encounter a compatibility problem or need to use a specific version of an npm package, you might want to install an older version. Fortunately, the process is straightforward. To install an old version of an npm package, you can use the @ syntax. Here’s an example of the command: npm install <package>@<version> Let’s say you want to install cowsay, and you want to use version 1....

If you’re developing your own npm package, it’s important to test it locally before publishing. This is especially useful when you want to modularize your project and reuse specific functionality. To demonstrate, let’s say I have a package called flaviocopes-common-database. I’ve given it a unique namespace by prefixing it with flaviocopes-. Inside the package directory, I’ve added a package.json file that includes the module name and its dependencies: { "name": "flaviocopes-common-database", "version": "1....

Updating the dependencies of your Node project to their latest versions can improve your application’s security, performance, and compatibility. This can be done easily using npm. In this article, we will explore how to update all the npm dependencies specified in the package.json file to their latest available versions. When you install a package using npm install <packagename>, the latest version of the package is downloaded and added to the node_modules folder....

Learn how to include and use a package that you have installed using npm into your Node.js code. When you install a package using npm, it gets saved into your node_modules folder. But how do you actually use it in your code? Let’s say you have installed the popular JavaScript utility library lodash using the following command: npm install lodash This command will install the lodash package in your local node_modules folder....

Create-react-app is a powerful tool that allows developers to quickly start building React applications without having to deal with complex configurations. It provides a ready-made React application starter, eliminating the need to set up Webpack and Babel manually. What does create-react-app offer? Development server with hot reloading Built-in testing environment with Jest Easy deployment of React apps ES6+ syntax support Bundling of JavaScript and assets CSS autoprefixer, SASS, and CSS Modules support And more!...

When it comes to installing packages with npm, there are two options: global and local. Understanding the difference between the two and knowing when to use each can greatly impact your development workflow. In this article, we’ll dive into the details of global and local packages and discuss the best practices for their installation. Local Packages Local packages are installed in the directory where you run the npm install <package-name> command....