利用nrm快速切换npm源代理

nrm是一个npm源管理工具，利用它我们可以快速切换npm源，利用nrm还可以测试哪个源最快。如果哪个npm依赖安装失败，不防切换一下npm源试试

安装

npm install nrm -g

命令

输入nrm，enter后可调出help或nrm help

D:\project>nrm
Usage: cli [options] [command]
Options:
  -V, --version                output the version number
  -h, --help                   output usage information
Commands:
  ls                           List all the registries
  current                      Show current registry name
  use <registry>               Change registry to registry
  add <registry> <url> [home]  Add one custom registry
  del <registry>               Delete one custom registry
  home <registry> [browser]    Open the homepage of registry with optional browser
  test [registry]              Show response time for specific or all registries
  help                         Print this help

nrm ls列出源列表，前面带*号的表示当前在使用

D:\project>nrm ls
  npm ---- https://registry.npmjs.org/
* cnpm --- http://r.cnpmjs.org/
  taobao - https://registry.npm.taobao.org/
  nj ----- https://registry.nodejitsu.com/
  rednpm - http://registry.mirror.cqupt.edu.cn/
  npmMirror  https://skimdb.npmjs.com/registry/
  edunpm - http://registry.enpmjs.org/

nrm current 显示当前使用源

D:\project>nrm current
cnpm

nrm use 切换源，如下，切换到npm官方源

D:\project>nrm use npm
   Registry has been set to: https://registry.npmjs.org/
D:\project>nrm ls
* npm ---- https://registry.npmjs.org/
  cnpm --- http://r.cnpmjs.org/
  taobao - https://registry.npm.taobao.org/
  nj ----- https://registry.nodejitsu.com/
  rednpm - http://registry.mirror.cqupt.edu.cn/
  npmMirror  https://skimdb.npmjs.com/registry/
  edunpm - http://registry.enpmjs.org/

其他命令自己去试吧