Yarn classic vs Yarn berry installation guide

In this guide, we will learn how to create a new project using Yarn or how to add Yarn to an existing project. There are two variants of yarn: classic and berry Yarn classic refers to version 1.x. It is currently in legacy mode and receives only bug fixes. Yarn berry refers to versions 2 and above. The current major version is 4.x, and it is actively maintained. yarn classic 1: Install yarn npm install -g yarn As the yarn classic versions are available in npm , we can install them via npm . Note: if you have corepack installed and enabled, you should disable it by running corepack disable before installing yarn globally. 2: Initialize yarn in a new/existing project yarn init -y For convenience, we add a flag -y to skip the interactive form for creating new projects. This will create/update a package.json file with basic fields, and now we can edit it as we want. { "name" : "my-yarn-classic-project" , "version" : "1.0.0" , "main" : "index.js" , "author" : "arshak-grigoryan <arshak.code@