yarn学习

安装方法( 基于node )

1. npm install -g yarn

2. yarn init

添加依赖包
yarn add [package]
yarn add [package]@[version]
yarn add [package]@[tag]

将依赖项添加到不同依赖项类别中
分别添加到 devDependencies、peerDependencies 和 optionalDependencies 类别中：
yarn add [package] --dev
yarn add [package] --peer
yarn add [package] --optional

升级依赖包
yarn upgrade [package]
yarn upgrade [package]@[version]
yarn upgrade [package]@[tag]

移除依赖包
yarn remove [package]

安装项目的全部依赖
yarn 或者 yarn install