node-sass: [Unsupported] Installing node-sass 4.11.0 with Node 12

I also cannot install node-sass v4.12.0 with Node v12.3.1 & NPM 6.9.0

npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! node-sass@4.12.0 postinstall: `node scripts/build.js`
npm ERR! Exit status 1
npm ERR! 
npm ERR! Failed at the node-sass@4.12.0 postinstall script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

Updated node-sass to 4.12.0

On Sat., 4 May 2019, 7:41 am Emir Can SANCAR, notifications@github.com wrote:

I can not install the node-sass. Is there a problem in the package now?

node scripts/install.js

Downloading binary from https://github.com/sass/node-sass/releases/download/v4.11.0/win32-x64-72_binding.node Cannot download “https://github.com/sass/node-sass/releases/download/v4.11.0/win32-x64-72_binding.node”:

HTTP error 404 Not Found

Hint: If github.com is not accessible in your location try setting a proxy via HTTP_PROXY, e.g.

  export HTTP_PROXY=http://example.com:1234

or configure npm proxy via

  npm config set proxy http://example.com:8080

node-sass@4.12.0 install C:\Users\emirc\www\exampleng\node_modules\node-sass node scripts/install.js

Cached binary found at C:\Users\emirc\AppData\Roaming\npm-cache\node-sass\4.12.0\win32-x64-72_binding.node

node-sass@4.11.0 postinstall C:\Users\emirc\www\exampleng\node_modules@angular-devkit\build-angular\node_modules\node-sass node scripts/build.js

Building: C:\Program Files\nodejs\node.exe C:\Users\emirc\www\exampleng\node_modules\node-gyp\bin\node-gyp.js rebuild --verbose --libsass_ext= --libsass_cflags= --libsass_ldflags= --libsass_library= gyp info it worked if it ends with ok gyp verb cli [ gyp verb cli ‘C:\Program Files\nodejs\node.exe’, gyp verb cli ‘C:\Users\emirc\www\exampleng\node_modules\node-gyp\bin\node-gyp.js’, gyp verb cli ‘rebuild’, gyp verb cli ‘–verbose’, gyp verb cli ‘–libsass_ext=’, gyp verb cli ‘–libsass_cflags=’, gyp verb cli ‘–libsass_ldflags=’, gyp verb cli ‘–libsass_library=’ gyp verb cli ] gyp info using node-gyp@3.8.0 gyp info using node@12.1.0 | win32 | x64 gyp verb command rebuild [] gyp verb command clean [] gyp verb clean removing “build” directory gyp verb command configure [] gyp verb check python checking for Python executable “python2” in the PATH gyp verb which failed Error: not found: python2 gyp verb which failed at getNotFoundError (C:\Users\emirc\www\exampleng\node_modules\which\which.js:13:12) gyp verb which failed at F (C:\Users\emirc\www\exampleng\node_modules\which\which.js:68:19) gyp verb which failed at E (C:\Users\emirc\www\exampleng\node_modules\which\which.js:80:29) gyp verb which failed at C:\Users\emirc\www\exampleng\node_modules\which\which.js:89:16 gyp verb which failed at C:\Users\emirc\www\exampleng\node_modules\isexe\index.js:42:5 gyp verb which failed at C:\Users\emirc\www\exampleng\node_modules\isexe\windows.js:36:5 gyp verb which failed at FSReqCallback.oncomplete (fs.js:166:21) gyp verb which failed python2 Error: not found: python2 gyp verb which failed at getNotFoundError (C:\Users\emirc\www\exampleng\node_modules\which\which.js:13:12) gyp verb which failed at F (C:\Users\emirc\www\exampleng\node_modules\which\which.js:68:19) gyp verb which failed at E (C:\Users\emirc\www\exampleng\node_modules\which\which.js:80:29) gyp verb which failed at C:\Users\emirc\www\exampleng\node_modules\which\which.js:89:16 gyp verb which failed at C:\Users\emirc\www\exampleng\node_modules\isexe\index.js:42:5 gyp verb which failed at C:\Users\emirc\www\exampleng\node_modules\isexe\windows.js:36:5 gyp verb which failed at FSReqCallback.oncomplete (fs.js:166:21) { gyp verb which failed stack: 'Error: not found: python2\n at getNotFoundError ’ + gyp verb which failed '(C:\Users\emirc\www\exampleng\node_modules\which\which.js:13:12)\n ’ + gyp verb which failed ’ at F ’ + gyp verb which failed '(C:\Users\emirc\www\exampleng\node_modules\which\which.js:68:19)\n ’ + gyp verb which failed ’ at E ’ + gyp verb which failed '(C:\Users\emirc\www\exampleng\node_modules\which\which.js:80:29)\n ’ + gyp verb which failed ’ at ’ + gyp verb which failed ‘C:\Users\emirc\www\exampleng\node_modules\which\which.js:89:16\n ’ + gyp verb which failed ’ at C:\Users\emirc\www\exampleng\node_modules\isexe\index.js:42:5\n’ + gyp verb which failed ’ at ’ + gyp verb which failed ‘C:\Users\emirc\www\exampleng\node_modules\isexe\windows.js:36:5\n ’ + gyp verb which failed ’ at FSReqCallback.oncomplete (fs.js:166:21)’, gyp verb which failed code: ‘ENOENT’ gyp verb which failed } gyp verb check python checking for Python executable “python” in the PATH gyp verb which failed Error: not found: python gyp verb which failed at getNotFoundError (C:\Users\emirc\www\exampleng\node_modules\which\which.js:13:12) gyp verb which failed at F (C:\Users\emirc\www\exampleng\node_modules\which\which.js:68:19) gyp verb which failed at E (C:\Users\emirc\www\exampleng\node_modules\which\which.js:80:29) gyp verb which failed at C:\Users\emirc\www\exampleng\node_modules\which\which.js:89:16 gyp verb which failed at C:\Users\emirc\www\exampleng\node_modules\isexe\index.js:42:5 gyp verb which failed at C:\Users\emirc\www\exampleng\node_modules\isexe\windows.js:36:5 gyp verb which failed at FSReqCallback.oncomplete (fs.js:166:21) gyp verb which failed python Error: not found: python gyp verb which failed at getNotFoundError (C:\Users\emirc\www\exampleng\node_modules\which\which.js:13:12) gyp verb which failed at F (C:\Users\emirc\www\exampleng\node_modules\which\which.js:68:19) gyp verb which failed at E (C:\Users\emirc\www\exampleng\node_modules\which\which.js:80:29) gyp verb which failed at C:\Users\emirc\www\exampleng\node_modules\which\which.js:89:16 gyp verb which failed at C:\Users\emirc\www\exampleng\node_modules\isexe\index.js:42:5 gyp verb which failed at C:\Users\emirc\www\exampleng\node_modules\isexe\windows.js:36:5 gyp verb which failed at FSReqCallback.oncomplete (fs.js:166:21) { gyp verb which failed stack: 'Error: not found: python\n at getNotFoundError ’ + gyp verb which failed '(C:\Users\emirc\www\exampleng\node_modules\which\which.js:13:12)\n at F ’ + gyp verb which failed '(C:\Users\emirc\www\exampleng\node_modules\which\which.js:68:19)\n at E ’ + gyp verb which failed '(C:\Users\emirc\www\exampleng\node_modules\which\which.js:80:29)\n at ’ + gyp verb which failed 'C:\Users\emirc\www\exampleng\node_modules\which\which.js:89:16\n at ’ + gyp verb which failed 'C:\Users\emirc\www\exampleng\node_modules\isexe\index.js:42:5\n at ’ + gyp verb which failed 'C:\Users\emirc\www\exampleng\node_modules\isexe\windows.js:36:5\n at ’ + gyp verb which failed ‘FSReqCallback.oncomplete (fs.js:166:21)’, gyp verb which failed code: ‘ENOENT’ gyp verb which failed } 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\emirc\www\exampleng\node_modules\node-gyp\lib\configure.js:484:19) gyp ERR! stack at PythonFinder.<anonymous> (C:\Users\emirc\www\exampleng\node_modules\node-gyp\lib\configure.js:509:16) gyp ERR! stack at C:\Users\emirc\www\exampleng\node_modules\graceful-fs\polyfills.js:282:31 gyp ERR! stack at FSReqCallback.oncomplete (fs.js:166:21) gyp ERR! System Windows_NT 10.0.17763 gyp ERR! command “C:\Program Files\nodejs\node.exe” “C:\Users\emirc\www\exampleng\node_modules\node-gyp\bin\node-gyp.js” “rebuild” “–verbose” “–libsass_ext=” “–libsass_cflags=” “–libsass_ldflags=” “–libsass_library=” gyp ERR! cwd C:\Users\emirc\www\exampleng\node_modules@angular-devkit\build-angular\node_modules\node-sass gyp ERR! node -v v12.1.0 gyp ERR! node-gyp -v v3.8.0 gyp ERR! not ok Build failed with error code: 1

node-sass@4.12.0 postinstall C:\Users\emirc\www\exampleng\node_modules\node-sass node scripts/build.js

Binary found at C:\Users\emirc\www\exampleng\node_modules\node-sass\vendor\win32-x64-72\binding.node Testing binary Binary is fine npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@1.2.9 (node_modules\fsevents): npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@1.2.9: wanted {“os”:“darwin”,“arch”:“any”} (current: {“os”:“win32”,“arch”:“x64”}) npm WARN optional SKIPPING OPTIONAL DEPENDENCY: node-sass@4.11.0 (node_modules@angular-devkit\build-angular\node_modules\node-sass): npm WARN optional SKIPPING OPTIONAL DEPENDENCY: node-sass@4.11.0 postinstall: node scripts/build.js npm WARN optional SKIPPING OPTIONAL DEPENDENCY: Exit status 1

added 4 packages from 2 contributors and audited 43140 packages in 10.073s found 4 vulnerabilities (2 low, 2 high) run npm audit fix to fix them, or npm audit for details```

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I’ve temporarily installed this way. npm install node-sass@4.12.0

npm install node-sass–unsafe-perms

On Fri., 21 Jun. 2019, 8:11 am pranav shete, notifications@github.com wrote:

p ERR! configure error gyp ERR! stack Error: EACCES: permission denied, mkdir ‘/usr/lib/node_modules/angular-cli/node_modules/node-sass/.node-gyp’ gyp ERR! System Linux 4.15.0-51-generic gyp ERR! command “/usr/bin/node” “/usr/lib/node_modules/angular-cli/node_modules/node-gyp/bin/node-gyp.js” “rebuild” “–verbose” “–libsass_ext=” “–libsass_cflags=” “–libsass_ldflags=” “–libsass_library=” gyp ERR! cwd /usr/lib/node_modules/angular-cli/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 npm WARN @angular/core@2.4.10 requires a peer of rxjs@^5.0.1 but none is installed. You must install peer dependencies yourself. npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@1.2.9 (node_modules/angular-cli/node_modules/fsevents): npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@1.2.9: wanted {“os”:“darwin”,“arch”:“any”} (current: {“os”:“linux”,“arch”:“x64”})

npm ERR! code ELIFECYCLE npm ERR! errno 1 npm ERR! node-sass@4.12.0 postinstall: node scripts/build.js npm ERR! Exit status 1 npm ERR! npm ERR! Failed at the node-sass@4.12.0 postinstall script. npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR! A complete log of this run can be found in: npm ERR! /home/pranavshete/.npm/_logs/2019-06-21T06_09_10_071Z-debug.log

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even if you’re on Node 12, make sure you keep a local package of Node v 11 in your devdependencies:

“node”: “11.15.0”,

Then it will work.

Looks like some other dependency has a dependency on node-sass@4.11.0. You can confirm this by running npm ls node-sass. You can try running npm update node-sass to update all the transitive node-sass dependencies.

On Sat., 4 May 2019, 9:35 am Emir Can SANCAR, notifications@github.com wrote:

I get the error when I try to install by specifying the latest version. Do not have a way to install it?

C:\Users\emirc\www\exampleng>npm install node-sass@4.12.0

node-sass@4.11.0 install C:\Users\emirc\www\exampleng\node_modules@angular-devkit\build-angular\node_modules\node-sass node scripts/install.js

Downloading binary from https://npm.taobao.org/mirrors/node-sass/v4.11.0/win32-x64-72_binding.node Cannot download “https://npm.taobao.org/mirrors/node-sass/v4.11.0/win32-x64-72_binding.node”:

HTTP error 404 Not Found

Hint: If github.com is not accessible in your location try setting a proxy via HTTP_PROXY, e.g.

  export HTTP_PROXY=http://example.com:1234

or configure npm proxy via

  npm config set proxy http://example.com:8080

node-sass@4.12.0 install C:\Users\emirc\www\exampleng\node_modules\node-sass node scripts/install.js

Cached binary found at C:\Users\emirc\AppData\Roaming\npm-cache\node-sass\4.12.0\win32-x64-72_binding.node

node-sass@4.11.0 postinstall C:\Users\emirc\www\exampleng\node_modules@angular-devkit\build-angular\node_modules\node-sass node scripts/build.js

Building: C:\Program Files\nodejs\node.exe C:\Users\emirc\www\exampleng\node_modules\node-gyp\bin\node-gyp.js rebuild --verbose --libsass_ext= --libsass_cflags= --libsass_ldflags= --libsass_library= gyp info it worked if it ends with ok gyp verb cli [ gyp verb cli ‘C:\Program Files\nodejs\node.exe’, gyp verb cli ‘C:\Users\emirc\www\exampleng\node_modules\node-gyp\bin\node-gyp.js’, gyp verb cli ‘rebuild’, gyp verb cli ‘–verbose’, gyp verb cli ‘–libsass_ext=’, gyp verb cli ‘–libsass_cflags=’, gyp verb cli ‘–libsass_ldflags=’, gyp verb cli ‘–libsass_library=’ gyp verb cli ] gyp info using node-gyp@3.8.0 gyp info using node@12.1.0 | win32 | x64 gyp verb command rebuild [] gyp verb command clean [] gyp verb clean removing “build” directory gyp verb command configure [] gyp verb download using dist-url https://npm.taobao.org/dist gyp verb check python checking for Python executable “python2” in the PATH gyp verb which failed Error: not found: python2 gyp verb which failed at getNotFoundError (C:\Users\emirc\www\exampleng\node_modules\which\which.js:13:12) gyp verb which failed at F (C:\Users\emirc\www\exampleng\node_modules\which\which.js:68:19) gyp verb which failed at E (C:\Users\emirc\www\exampleng\node_modules\which\which.js:80:29) gyp verb which failed at C:\Users\emirc\www\exampleng\node_modules\which\which.js:89:16 gyp verb which failed at C:\Users\emirc\www\exampleng\node_modules\isexe\index.js:42:5 gyp verb which failed at C:\Users\emirc\www\exampleng\node_modules\isexe\windows.js:36:5 gyp verb which failed at FSReqCallback.oncomplete (fs.js:166:21) gyp verb which failed python2 Error: not found: python2 gyp verb which failed at getNotFoundError (C:\Users\emirc\www\exampleng\node_modules\which\which.js:13:12) gyp verb which failed at F (C:\Users\emirc\www\exampleng\node_modules\which\which.js:68:19) gyp verb which failed at E (C:\Users\emirc\www\exampleng\node_modules\which\which.js:80:29) gyp verb which failed at C:\Users\emirc\www\exampleng\node_modules\which\which.js:89:16 gyp verb which failed at C:\Users\emirc\www\exampleng\node_modules\isexe\index.js:42:5 gyp verb which failed at C:\Users\emirc\www\exampleng\node_modules\isexe\windows.js:36:5 gyp verb which failed at FSReqCallback.oncomplete (fs.js:166:21) { gyp verb which failed stack: 'Error: not found: python2\n at getNotFoundError ’ + gyp verb which failed '(C:\Users\emirc\www\exampleng\node_modules\which\which.js:13:12)\n ’ + gyp verb which failed ’ at F ’ + gyp verb which failed '(C:\Users\emirc\www\exampleng\node_modules\which\which.js:68:19)\n ’ + gyp verb which failed ’ at E ’ + gyp verb which failed '(C:\Users\emirc\www\exampleng\node_modules\which\which.js:80:29)\n ’ + gyp verb which failed ’ at ’ + gyp verb which failed ‘C:\Users\emirc\www\exampleng\node_modules\which\which.js:89:16\n ’ + gyp verb which failed ’ at C:\Users\emirc\www\exampleng\node_modules\isexe\index.js:42:5\n’ + gyp verb which failed ’ at ’ + gyp verb which failed ‘C:\Users\emirc\www\exampleng\node_modules\isexe\windows.js:36:5\n ’ + gyp verb which failed ’ at FSReqCallback.oncomplete (fs.js:166:21)’, gyp verb which failed code: ‘ENOENT’ gyp verb which failed } gyp verb check python checking for Python executable “python” in the PATH gyp verb which failed Error: not found: python gyp verb which failed at getNotFoundError (C:\Users\emirc\www\exampleng\node_modules\which\which.js:13:12) gyp verb which failed at F (C:\Users\emirc\www\exampleng\node_modules\which\which.js:68:19) gyp verb which failed at E (C:\Users\emirc\www\exampleng\node_modules\which\which.js:80:29) gyp verb which failed at C:\Users\emirc\www\exampleng\node_modules\which\which.js:89:16 gyp verb which failed at C:\Users\emirc\www\exampleng\node_modules\isexe\index.js:42:5 gyp verb which failed at C:\Users\emirc\www\exampleng\node_modules\isexe\windows.js:36:5 gyp verb which failed at FSReqCallback.oncomplete (fs.js:166:21) gyp verb which failed python Error: not found: python gyp verb which failed at getNotFoundError (C:\Users\emirc\www\exampleng\node_modules\which\which.js:13:12) gyp verb which failed at F (C:\Users\emirc\www\exampleng\node_modules\which\which.js:68:19) gyp verb which failed at E (C:\Users\emirc\www\exampleng\node_modules\which\which.js:80:29) gyp verb which failed at C:\Users\emirc\www\exampleng\node_modules\which\which.js:89:16 gyp verb which failed at C:\Users\emirc\www\exampleng\node_modules\isexe\index.js:42:5 gyp verb which failed at C:\Users\emirc\www\exampleng\node_modules\isexe\windows.js:36:5 gyp verb which failed at FSReqCallback.oncomplete (fs.js:166:21) { gyp verb which failed stack: 'Error: not found: python\n at getNotFoundError ’ + gyp verb which failed '(C:\Users\emirc\www\exampleng\node_modules\which\which.js:13:12)\n at F ’ + gyp verb which failed '(C:\Users\emirc\www\exampleng\node_modules\which\which.js:68:19)\n at E ’ + gyp verb which failed '(C:\Users\emirc\www\exampleng\node_modules\which\which.js:80:29)\n at ’ + gyp verb which failed 'C:\Users\emirc\www\exampleng\node_modules\which\which.js:89:16\n at ’ + gyp verb which failed 'C:\Users\emirc\www\exampleng\node_modules\isexe\index.js:42:5\n at ’ + gyp verb which failed 'C:\Users\emirc\www\exampleng\node_modules\isexe\windows.js:36:5\n at ’ + gyp verb which failed ‘FSReqCallback.oncomplete (fs.js:166:21)’, gyp verb which failed code: ‘ENOENT’ gyp verb which failed } 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\emirc\www\exampleng\node_modules\node-gyp\lib\configure.js:484:19) gyp ERR! stack at PythonFinder.<anonymous> (C:\Users\emirc\www\exampleng\node_modules\node-gyp\lib\configure.js:509:16) gyp ERR! stack at C:\Users\emirc\www\exampleng\node_modules\graceful-fs\polyfills.js:282:31 gyp ERR! stack at FSReqCallback.oncomplete (fs.js:166:21) gyp ERR! System Windows_NT 10.0.17763 gyp ERR! command “C:\Program Files\nodejs\node.exe” “C:\Users\emirc\www\exampleng\node_modules\node-gyp\bin\node-gyp.js” “rebuild” “–verbose” “–libsass_ext=” “–libsass_cflags=” “–libsass_ldflags=” “–libsass_library=” gyp ERR! cwd C:\Users\emirc\www\exampleng\node_modules@angular-devkit\build-angular\node_modules\node-sass gyp ERR! node -v v12.1.0 gyp ERR! node-gyp -v v3.8.0 gyp ERR! not ok Build failed with error code: 1

node-sass@4.12.0 postinstall C:\Users\emirc\www\exampleng\node_modules\node-sass node scripts/build.js

Binary found at C:\Users\emirc\www\exampleng\node_modules\node-sass\vendor\win32-x64-72\binding.node Testing binary Binary is fine npm notice created a lockfile as package-lock.json. You should commit this file. npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@1.2.9 (node_modules\fsevents): npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@1.2.9: wanted {“os”:“darwin”,“arch”:“any”} (current: {“os”:“win32”,“arch”:“x64”}) npm WARN optional SKIPPING OPTIONAL DEPENDENCY: node-sass@4.11.0 (node_modules@angular-devkit\build-angular\node_modules\node-sass): npm WARN optional SKIPPING OPTIONAL DEPENDENCY: node-sass@4.11.0 postinstall: node scripts/build.js npm WARN optional SKIPPING OPTIONAL DEPENDENCY: Exit status 1

• node-sass@4.12.0 updated 12 packages and audited 43140 packages in 24.738s found 4 vulnerabilities (2 low, 2 high) run npm audit fix to fix them, or npm audit for details

C:\Users\emirc\www\exampleng>```

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