npm 源管理

通过npm 回到国外资源去下载

nrm 可以到国内下载
npm install nrm -g
nrm ls ls是list的缩写,查看下载资源平台

zb@zbdeMacBook-Pro day2 % 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/

nrm test 测速度
zb@zbdeMacBook-Pro day2 % nrm test

• npm ------ 1052ms
  yarn ----- 5007ms
  tencent -- 3358ms
  cnpm ----- Fetch Error
  taobao --- 3282ms
  npmMirror - 4437ms

nrm use taobao 使用哪个镜像