nrm: npm registry manager
安装nrm
npm install -g nrm
查看所有的镜像源 nrm ls
# nrm ls
npm -------- https://registry.npmjs.org/
* yarn ------- https://registry.yarnpkg.com/
cnpm ------- http://r.cnpmjs.org/
taobao ----- https://registry.npm.taobao.org/
nj --------- https://registry.nodejitsu.com/
npmMirror -- https://skimdb.npmjs.com/registry/
edunpm ----- http://registry.enpmjs.org/
查看当前使用的镜像源
# npm config get registry
https://registry.yarnpkg.com/
切换镜像源
nrm use taobao
添加镜像源
npm add registry http://registry.npm.domain.cn/
删除镜像源
nrm del <registry>
测试速度
nrm test npm