Must Know Yarn 使い方 For You

What is a skein? Demystifying names for yarn bundles. Shiny Happy World from www.shinyhappyworld.com

Introduction

If you are a web developer, you might have heard of yarn. Yarn is a popular package manager for Node.js projects. It was created by Facebook and it has gained a lot of popularity within the development community. In this tutorial, we will show you how to use yarn in 2023.

Installing Yarn

Before we can use yarn, we need to install it. You can install yarn by running the following command in your terminal:

npm install -g yarn

Creating a New Project

Once you have installed yarn, you can create a new project by running the following command:

yarn init

This will create a new package.json file in your project directory.

Installing Dependencies

Yarn makes it easy to install dependencies for your project. You can install a new dependency by running the following command:

yarn add [package-name]

For example, if you want to install the lodash package, you can run the following command:

yarn add lodash

Updating Dependencies

Yarn also makes it easy to update your project dependencies. You can update a specific dependency by running the following command:

yarn upgrade [package-name]

For example, if you want to upgrade the lodash package, you can run the following command:

yarn upgrade lodash

Removing Dependencies

If you no longer need a dependency in your project, you can remove it by running the following command:

yarn remove [package-name]

For example, if you want to remove the lodash package, you can run the following command:

yarn remove lodash

Installing Development Dependencies

Yarn also allows you to install development dependencies for your project. You can install a development dependency by running the following command:

yarn add [package-name] --dev

For example, if you want to install the jest testing framework as a development dependency, you can run the following command:

yarn add jest --dev

Running Scripts

Yarn allows you to define scripts in your package.json file that can be run from the terminal. You can run a script by running the following command:

yarn [script-name]

For example, if you have defined a test script in your package.json file, you can run the following command:

yarn test

Conclusion

Yarn is a powerful package manager for Node.js projects. It makes it easy to install, update, and remove dependencies for your project. It also allows you to define scripts that can be run from the terminal. By following the steps in this tutorial, you should now have a better understanding of how to use yarn in 2023.