无法安装节点sass

Question

我有一个很多人都有的错误，我认为我在这里找到了一个解决方案。本质上，它是说我的节点版本与node-sass版本不兼容。很多人都有同样的问题，所以我相信链接会有所帮助。然而，当我运行npm安装node-sass@4.14.1时，我得到了一个不同的错误。我知道这是一些简单的修复，但我找不到它！有人明白这是怎么回事吗？

npm ERR! code 1
npm ERR! path C:\Users\reaga\Desktop\bestconnect-react\my-app\node_modules\node-sass
npm ERR! command failed
npm ERR! command C:\WINDOWS\system32\cmd.exe /d /s /c "node scripts/build.js"
npm ERR! Building: C:\Program Files\nodejs\node.exe C:\Users\reaga\Desktop\bestconnect-react\my-app\node_modules\node-gyp\bin\node-gyp.js rebuild --verbose --libsass_ext= --libsass_cflags= --libsass_ldflags= --libsass_library=npm ERR! gyp info it worked if it ends with ok
npm ERR! gyp verb cli [
npm ERR! gyp verb cli   'C:\\Program Files\\nodejs\\node.exe',
npm ERR! gyp verb cli   'C:\\Users\\reaga\\Desktop\\bestconnect-react\\my-app\\node_modules\\node-gyp\\bin\\node-gyp.js',
npm ERR! gyp verb cli   'rebuild',
npm ERR! gyp verb cli   '--verbose',
npm ERR! gyp verb cli   '--libsass_ext=',
npm ERR! gyp verb cli   '--libsass_cflags=',
npm ERR! gyp verb cli   '--libsass_ldflags=',
npm ERR! gyp verb cli   '--libsass_library='
npm ERR! gyp verb cli ]
npm ERR! gyp info using node-gyp@3.8.0
npm ERR! gyp info using node@15.0.1 | win32 | x64
npm ERR! gyp verb command rebuild []
npm ERR! gyp verb command clean []
npm ERR! gyp verb clean removing "build" directory
npm ERR! gyp verb command configure []
npm ERR! gyp verb check python checking for Python executable "python2" in the PATH
npm ERR! gyp verb `which` failed Error: not found: python2
npm ERR! gyp verb `which` failed     at getNotFoundError (C:\Users\reaga\Desktop\bestconnect-react\my-app\node_modules\node-gyp\node_modules\which\which.js:13:12)
npm ERR! gyp verb `which` failed     at F (C:\Users\reaga\Desktop\bestconnect-react\my-app\node_modules\node-gyp\node_modules\which\which.js:68:19)
npm ERR! gyp verb `which` failed     at E (C:\Users\reaga\Desktop\bestconnect-react\my-app\node_modules\node-gyp\node_modules\which\which.js:80:29)
npm ERR! gyp verb `which` failed     at C:\Users\reaga\Desktop\bestconnect-react\my-app\node_modules\node-gyp\node_modules\which\which.js:89:16
npm ERR! gyp verb `which` failed     at C:\Users\reaga\Desktop\bestconnect-react\my-app\node_modules\isexe\index.js:42:5
npm ERR! gyp verb `which` failed     at C:\Users\reaga\Desktop\bestconnect-react\my-app\node_modules\isexe\windows.js:36:5
npm ERR! gyp verb `which` failed     at FSReqCallback.oncomplete (node:fs:183:21)
npm ERR! gyp verb `which` failed  python2 Error: not found: python2
npm ERR! gyp verb `which` failed     at getNotFoundError (C:\Users\reaga\Desktop\bestconnect-react\my-app\node_modules\node-gyp\node_modules\which\which.js:13:12)
npm ERR! gyp verb `which` failed     at F (C:\Users\reaga\Desktop\bestconnect-react\my-app\node_modules\node-gyp\node_modules\which\which.js:68:19)
npm ERR! gyp verb `which` failed     at E (C:\Users\reaga\Desktop\bestconnect-react\my-app\node_modules\node-gyp\node_modules\which\which.js:80:29)
npm ERR! gyp verb `which` failed     at C:\Users\reaga\Desktop\bestconnect-react\my-app\node_modules\node-gyp\node_modules\which\which.js:89:16
npm ERR! gyp verb `which` failed     at C:\Users\reaga\Desktop\bestconnect-react\my-app\node_modules\isexe\index.js:42:5
npm ERR! gyp verb `which` failed     at C:\Users\reaga\Desktop\bestconnect-react\my-app\node_modules\isexe\windows.js:36:5
npm ERR! gyp verb `which` failed     at FSReqCallback.oncomplete (node:fs:183:21) {
npm ERR! gyp verb `which` failed   code: 'ENOENT'
npm ERR! gyp verb `which` failed }
npm ERR! gyp verb check python checking for Python executable "python" in the PATH
npm ERR! gyp verb `which` failed Error: not found: python
npm ERR! gyp verb `which` failed     at getNotFoundError (C:\Users\reaga\Desktop\bestconnect-react\my-app\node_modules\node-gyp\node_modules\which\which.js:13:12)
npm ERR! gyp verb `which` failed     at F (C:\Users\reaga\Desktop\bestconnect-react\my-app\node_modules\node-gyp\node_modules\which\which.js:68:19)
npm ERR! gyp verb `which` failed     at E (C:\Users\reaga\Desktop\bestconnect-react\my-app\node_modules\node-gyp\node_modules\which\which.js:80:29)
npm ERR! gyp verb `which` failed     at C:\Users\reaga\Desktop\bestconnect-react\my-app\node_modules\node-gyp\node_modules\which\which.js:89:16
npm ERR! gyp verb `which` failed     at C:\Users\reaga\Desktop\bestconnect-react\my-app\node_modules\isexe\index.js:42:5
npm ERR! gyp verb `which` failed     at C:\Users\reaga\Desktop\bestconnect-react\my-app\node_modules\isexe\windows.js:36:5
npm ERR! gyp verb `which` failed     at FSReqCallback.oncomplete (node:fs:183:21)
npm ERR! gyp verb `which` failed  python Error: not found: python
npm ERR! gyp verb `which` failed     at getNotFoundError (C:\Users\reaga\Desktop\bestconnect-react\my-app\node_modules\node-gyp\node_modules\which\which.js:13:12)
npm ERR! gyp verb `which` failed     at F (C:\Users\reaga\Desktop\bestconnect-react\my-app\node_modules\node-gyp\node_modules\which\which.js:68:19)
npm ERR! gyp verb `which` failed     at E (C:\Users\reaga\Desktop\bestconnect-react\my-app\node_modules\node-gyp\node_modules\which\which.js:80:29)
npm ERR! gyp verb `which` failed     at C:\Users\reaga\Desktop\bestconnect-react\my-app\node_modules\node-gyp\node_modules\which\which.js:89:16
npm ERR! gyp verb `which` failed     at C:\Users\reaga\Desktop\bestconnect-react\my-app\node_modules\isexe\index.js:42:5
npm ERR! gyp verb `which` failed     at C:\Users\reaga\Desktop\bestconnect-react\my-app\node_modules\isexe\windows.js:36:5
npm ERR! gyp verb `which` failed     at FSReqCallback.oncomplete (node:fs:183:21) {
npm ERR! gyp verb `which` failed   code: 'ENOENT'
npm ERR! gyp verb `which` failed }
npm ERR! gyp verb could not find "python". checking python launcher 
npm ERR! gyp verb could not find "python". guessing location 
npm ERR! gyp verb ensuring that file exists: C:\Python27\python.exe
npm ERR! gyp ERR! configure error 
npm ERR! gyp ERR! stack Error: Can't find Python executable "python", you can set the PYTHON env variable.
npm ERR! gyp ERR! stack     at PythonFinder.failNoPython (C:\Users\reaga\Desktop\bestconnect-react\my-app\node_modules\node-gyp\lib\configure.js:484:19)
npm ERR! gyp ERR! stack     at PythonFinder.<anonymous> (C:\Users\reaga\Desktop\bestconnect-react\my-app\node_modules\node-gyp\lib\configure.js:509:16)
npm ERR! gyp ERR! stack     at callback (C:\Users\reaga\Desktop\bestconnect-react\my-app\node_modules\graceful-fs\polyfills.js:295:20)
npm ERR! gyp ERR! stack     at FSReqCallback.oncomplete (node:fs:183:21)
npm ERR! gyp ERR! System Windows_NT 10.0.18362
npm ERR! gyp ERR! command "C:\\Program Files\\nodejs\\node.exe" "C:\\Users\\reaga\\Desktop\\bestconnect-react\\my-app\\node_modules\\node-gyp\\bin\\node-gyp.js" "rebuild" "--verbose" "--libsass_ext=" "--libsass_cflags=" "--libsass_ldflags=" "--libsass_library="
npm ERR! gyp ERR! cwd C:\Users\reaga\Desktop\bestconnect-react\my-app\node_modules\node-sass
npm ERR! gyp ERR! node -v v15.0.1
npm ERR! gyp ERR! node-gyp -v v3.8.0
npm ERR! gyp ERR! not ok
npm ERR! Build failed with error code: 1

Answer 1

首次安装：

npm i节点sass

第二次安装：

npm i

Answer 2

通过从升级的PowerShell（以管理员身份运行）运行npm安装-g窗口构建工具，使用Microsoft的窗口构建工具安装所有所需的工具和配置。

注意：在窗口上工作

https://github.com/Microsoft/nodejs-guidelines/blob/master/windows-environment.md#environment-设置和配置

Answer 3

节点sassv4。节点15上不支持x。降级节点版本或升级到节点sass v5https://github.com/sass/node-sass#node-版本支持策略