初始化新项目

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

分别添加到 devDependencies、peerDependencies 和 optionalDependencies:

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