yarn安装

1. 安装

$ npm install -g yarn

> yarn@1.22.10 preinstall /opt/nodejs/node-v14.16.0-linux-x64/lib/node_modules/yarn
> :; (node ./preinstall.js > /dev/null 2>&1 || true)

/opt/nodejs/node-v14.16.0-linux-x64/bin/yarn -> /opt/nodejs/node-v14.16.0-linux-x64/lib/node_modules/yarn/bin/yarn.js
/opt/nodejs/node-v14.16.0-linux-x64/bin/yarnpkg -> /opt/nodejs/node-v14.16.0-linux-x64/lib/node_modules/yarn/bin/yarn.js
+ yarn@1.22.10
added 1 package in 0.891s
root@DESKTOP-DRFDMGS:/workspace/dapp/learn-hardhat# yarn -v
1.22.10

2. 配置淘宝镜像加速

• 1. 查看 registry

$ yarn config get registry
https://registry.yarnpkg.com

• 2. 修改registry

$ yarn config set registry https://registry.npm.taobao.org
yarn config v1.22.10
success Set "registry" to "https://registry.npm.taobao.org".
Done in 0.03s.

3. 常用命令与 npm 对比

npm	yarn
npm install	yarn
npm install react --save	yarn add react
npm uninstall react --save	yarn remove react
npm install react --save-dev	yarn add --dev react
npm update --save	yarn upgrade