npm/yarn镜像源

查询当前镜像源

npm get registry
yarn config get registry

设置镜像源

# NPM
# 国内 淘宝 镜像源
npm config set registry https://registry.npmmirror.com/
# 官方镜像源
npm config set registry https://registry.npmjs.org/

# YARN
# 国内 淘宝 镜像源
yarn config set registry https://registry.npmmirror.com/ 
# 还原为官方镜像源
yarn config set registry https://registry.yarnpkg.com/