0 info it worked if it ends with ok 1 verbose cli [ 'C:\\Program Files\\nodejs\\node.exe', 1 verbose cli 'C:\\Program Files\\nodejs\\node_modules\\npm\\bin\\npm-cli.js', 1 verbose cli 'run', 1 verbose cli 'build-dev' ] 2 info using npm@3.10.10 3 info using node@v6.11.0 4 verbose run-script [ 'prebuild-dev', 'build-dev', 'postbuild-dev' ] 5 info lifecycle @~prebuild-dev: @ 6 silly lifecycle @~prebuild-dev: no script for prebuild-dev, continuing 7 info lifecycle @~build-dev: @ 8 verbose lifecycle @~build-dev: unsafe-perm in lifecycle true 9 verbose lifecycle @~build-dev: PATH: C:\Users\stasm\AppData\Roaming\nvm\v6.11.0\node_modules\npm\bin\node-gyp-bin;C:\dev\TextBack\tb-amo-srv\js-widget\node_modules\.bin;C:\Program Files\Git\mingw64\bin;C:\Program Files\Git\usr\bin;C:\Users\stasm\bin;C:\Program Files (x86)\Common Files\Oracle\Java\javapath;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0;C:\Windows\System32\OpenSSH;C:\Program Files (x86)\NVIDIA Corporation\PhysX\Common;C:\Users\stasm\AppData\Roaming\nvm;C:\Program Files\nodejs;C:\Program Files\Git\cmd;C:\Users\stasm\AppData\Local\Microsoft\WindowsApps;C:\Users\stasm\AppData\Roaming\npm;C:\Users\stasm\AppData\Roaming\nvm;C:\Program Files\nodejs;C:\Users\stasm\AppData\Local\Programs\Microsoft VS Code\bin 10 verbose lifecycle @~build-dev: CWD: C:\dev\TextBack\tb-amo-srv\js-widget 11 silly lifecycle @~build-dev: Args: [ '/d /s /c', 11 silly lifecycle 'webpack --config webpack.development.js --env RELEASE=true' ] 12 silly lifecycle @~build-dev: Returned: code: 1 signal: null 13 info lifecycle @~build-dev: Failed to exec build-dev script 14 verbose stack Error: @ build-dev: `webpack --config webpack.development.js --env RELEASE=true` 14 verbose stack Exit status 1 14 verbose stack at EventEmitter. (C:\Users\stasm\AppData\Roaming\nvm\v6.11.0\node_modules\npm\lib\utils\lifecycle.js:255:16) 14 verbose stack at emitTwo (events.js:106:13) 14 verbose stack at EventEmitter.emit (events.js:191:7) 14 verbose stack at ChildProcess. (C:\Users\stasm\AppData\Roaming\nvm\v6.11.0\node_modules\npm\lib\utils\spawn.js:40:14) 14 verbose stack at emitTwo (events.js:106:13) 14 verbose stack at ChildProcess.emit (events.js:191:7) 14 verbose stack at maybeClose (internal/child_process.js:891:16) 14 verbose stack at Process.ChildProcess._handle.onexit (internal/child_process.js:226:5) 15 verbose pkgid @ 16 verbose cwd C:\dev\TextBack\tb-amo-srv\js-widget 17 error Windows_NT 10.0.18363 18 error argv "C:\\Program Files\\nodejs\\node.exe" "C:\\Program Files\\nodejs\\node_modules\\npm\\bin\\npm-cli.js" "run" "build-dev" 19 error node v6.11.0 20 error npm v3.10.10 21 error code ELIFECYCLE 22 error @ build-dev: `webpack --config webpack.development.js --env RELEASE=true` 22 error Exit status 1 23 error Failed at the @ build-dev script 'webpack --config webpack.development.js --env RELEASE=true'. 23 error Make sure you have the latest version of node.js and npm installed. 23 error If you do, this is most likely a problem with the package, 23 error not with npm itself. 23 error Tell the author that this fails on your system: 23 error webpack --config webpack.development.js --env RELEASE=true 23 error You can get information on how to open an issue for this project with: 23 error npm bugs 23 error Or if that isn't available, you can get their info via: 23 error npm owner ls 23 error There is likely additional logging output above. 24 verbose exit [ 1, true ]