nrm(npm registry manager )是npm的镜像源管理工具，使用这个就可以快速地在 npm 源间切换

安装

npm install -g nrm

使用

$ nrm ls

* npm ---------- https://registry.npmjs.org/
  yarn --------- https://registry.yarnpkg.com/
  tencent ------ https://mirrors.cloud.tencent.com/npm/
  cnpm --------- https://r.cnpmjs.org/
  taobao ------- https://registry.npmmirror.com/
  npmMirror ---- https://skimdb.npmjs.com/registry/

切换

nrm use taobao

Registry has been set to: https://registry.npmmirror.com/

截图