npm: no such file or directory, scandir '.../node_modules/node-sass/vendor'

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在启动vue工程项目时报错：

npm installnpm run dev

错误日志：

huyikangdeMacBook-Pro:vbap-widgets kangkang$ npm run dev> vbap-widgets@3.0.6-SNAPSHOT dev /Users/kangkang/vbap-widgets> node build/dev-server.js[HPM] Proxy created: function (path, req) {          let match = path.match('^/(me|sec|log|api|query|data|results|table|export|quick|mobile|rules|share|vbap-docs)');          // if (match) {          //   console.log('proxy path:', path)          // }          return match        }  ->  http://10.0.2.12:8099/vbap3[HPM] Subscribed to http-proxy events:  [ 'error', 'close' ]> Starting dev server... ERROR  Failed to compile with 9 errors                                上午9:36:42 error  in ./src/theme/index.scssModule build failed: Error: ENOENT: no such file or directory, scandir '/Users/kangkang/vbap-widgets/node_modules/node-sass/vendor'    at Object.fs.readdirSync (fs.js:904:18)    at Object.getInstalledBinaries (/Users/kangkang/vbap-widgets/node_modules/node-sass/lib/extensions.js:127:13)    at foundBinariesList (/Users/kangkang/vbap-widgets/node_modules/node-sass/lib/errors.js:20:15)    at foundBinaries (/Users/kangkang/vbap-widgets/node_modules/node-sass/lib/errors.js:15:5)    at Object.module.exports.missingBinary (/Users/kangkang/vbap-widgets/node_modules/node-sass/lib/errors.js:45:5)    at module.exports (/Users/kangkang/vbap-widgets/node_modules/node-sass/lib/binding.js:15:30)    at Object.<anonymous> (/Users/kangkang/vbap-widgets/node_modules/node-sass/lib/index.js:14:35)    at Module._compile (module.js:635:30)    at Object.Module._extensions..js (module.js:646:10)    at Module.load (module.js:554:32)    at tryModuleLoad (module.js:497:12)    at Function.Module._load (module.js:489:3)    at Module.require (module.js:579:17)    at require (internal/module.js:11:18)    at Object.<anonymous> (/Users/kangkang/vbap-widgets/node_modules/sass-loader/lib/loader.js:3:14)    at Module._compile (module.js:635:30) @ ./src/theme/index.scss 4:14-145 13:3-17:5 14:22-153 @ ./src/main.js @ multi ./build/dev-client ./src/main.js error  in ./src/app/App.vue

显示找不到node_modules/node-sass/vendor模块。去文件夹一看，还真的是没有，应该是在安装全局依赖的时候，没有安装到vendor，通过rebuild命令重新安装一下就可以啦。

解决办法，运行：npm rebuild node-sass

huyikangdeMacBook-Pro:vbap-widgets kangkang$ npm rebuild node-sass> node-sass@4.6.1 install /Users/kangkang/vbap-widgets/node_modules/node-sass> node scripts/install.jsDownloading binary from https://github.com/sass/node-sass/releases/download/v4.6.1/darwin-x64-57_binding.nodeDownload complete  ⸩ ⠋ :Binary saved to /Users/kangkang/vbap-widgets/node_modules/node-sass/vendor/darwin-x64-57/binding.nodeCaching binary to /Users/kangkang/.npm/node-sass/4.6.1/darwin-x64-57_binding.node> node-sass@4.6.1 postinstall /Users/kangkang/vbap-widgets/node_modules/node-sass> node scripts/build.jsBinary found at /Users/kangkang/vbap-widgets/node_modules/node-sass/vendor/darwin-x64-57/binding.nodeTesting binaryBinary is finenode-sass@4.6.1 /Users/kangkang/vbap-widgets/node_modules/node-sass

成功，去文件夹下查看，确实有了vedor文件夹，再 npm run dev启动工程就可以啦。

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