解决Module build failed: Error: ENOENT: no such file or directory, scandir 'E:\code\weChat\-web\node_modules\node-sass\vendor'
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npm set registry https://registry.npm.taobao.org # 注册模块镜像
npm set disturl https://npm.taobao.org/dist # node-gyp 编译依赖的 node 源码镜像
npm rebuild node-sass