yarn add node-sass
，我的终端中会出现以下错误
gyp verb `which` failed at C:\Users\IT\Desktop\react-course-projects\indecision-app\node_modules\which\which.js:89:16
gyp verb `which` failed at C:\Users\IT\Desktop\react-course-projects\indecision-app\node_modules\isexe\index.js:42:5
gyp verb `which` failed at C:\Users\IT\Desktop\react-course-projects\indecision-app\node_modules\isexe\windows.js:36:5
gyp verb `which` failed at FSReqWrap.oncomplete (fs.js:153:21)
gyp verb `which` failed stack:
gyp verb `which` failed 'Error: not found: python\n at getNotFoundError (C:\\Users\\IT\\Desktop\\react-course-projects\\indecision-app\\node_modules\\which\\which.js:13:12)\n at F (C:\\Users\\IT\\Desktop\\react-course-projects\\indecision-app\\node_modules\\which\\which.js:68:19)\n at E (C:\\Users\\IT\\Desktop\\react-course-projects\\indecision-app\\node_modules\\which\\which.js:80:29)\n at C:\\Users\\IT\\Desktop\\react-course-projects\\indecision-app\\node_modules\\which\\which.js:89:16\n at C:\\Users\\IT\\Desktop\\react-course-projects\\indecision-app\\node_modules\\isexe\\index.js:42:5\n at C:\\Users\\IT\\Desktop\\react-course-projects\\indecision-app\\node_modules\\isexe\\windows.js:36:5\n at FSReqWrap.oncomplete (fs.js:153:21)',
gyp verb `which` failed code: 'ENOENT' }
gyp verb could not find "python". checking python launcher
gyp verb could not find "python". guessing location
gyp verb ensuring that file exists: C:\Python27\python.exe
gyp ERR! configure error
gyp ERR! stack Error: Can't find Python executable "python", you can set the PYTHON env variable.
gyp ERR! stack at PythonFinder.failNoPython (C:\Users\IT\Desktop\react-course-projects\indecision-app\node_modules\node-gyp\lib\configure.js:484:19)
gyp ERR! stack at PythonFinder.<anonymous> (C:\Users\IT\Desktop\react-course-projects\indecision-app\node_modules\node-gyp\lib\configure.js:509:16)
gyp ERR! stack at callback (C:\Users\IT\Desktop\react-course-projects\indecision-app\node_modules\graceful-fs\polyfills.js:295:20)
gyp ERR! stack at FSReqWrap.oncomplete (fs.js:153:21)
gyp ERR! System Windows_NT 10.0.17763
gyp ERR! command "C:\\Program Files\\nodejs\\node.exe" "C:\\Users\\IT\\Desktop\\react-course-projects\\indecision-app\\node_modules\\node-gyp\\bin\\node-gyp.js" "rebuild" "--verbose" "--libsass_ext=" "--libsass_cflags=" "--libsass_ldflags=" "--libsass_library="
gyp ERR! cwd C:\Users\IT\Desktop\react-course-projects\indecision-app\node_modules\node-sass
gyp ERR! node -v v10.16.0
gyp ERR! node-gyp -v v3.8.0
gyp ERR! not ok
Build failed with error code: 1
info Visit https://yarnpkg.com/en/docs/cli/add for documentation about this command.
node 和 npm 版本是
node- v 10.16.0
npm -v 6.9.0
npm install -g node-gyp
npm install --global --production windows-build-tools