1 报错信息
npm WARN registry Unexpected warning for https://registry.npmjs.org/: Miscellaneous Warning ETIMEDOUT: request to https://registry.npmjs.org/vue-ref failed, reason: connect ETIMEDOUT 104.16.20.35:443 npm WARN registry Using stale data from https://registry.npmjs.org/ due to a request error during revalidation. npm ERR! code ETIMEDOUT npm ERR! errno ETIMEDOUT npm ERR! network request to https://registry.npmjs.org/dom-closest failed, reason: connect ETIMEDOUT 104.16.22.35:443 npm ERR! network This is a problem related to network connectivity. npm ERR! network In most cases you are behind a proxy or have bad network settings. npm ERR! network npm ERR! network If you are behind a proxy, please make sure that the npm ERR! network 'proxy' config is set properly. See: 'npm help config'
2 解决方案
step1 查代理
npm config get proxy
npm config get npm config get https-proxy
npm config get registry
step2 存在代理，缓存置空
npm config set proxy null
npm config set https-proxy null
step3 配置一个镜像源（选一个进行配置）
淘宝源：
npm config set registry http://registry.npm.taobao.org/
官方源：
npm config set registry http://registry.npmjs.org/
华为源
npm config set registry https://mirrors.huaweicloud.com/repository/npm/
其他命令：
npm cache clean
npm rebuild node-sass