Laravel Mix Error

Question

Sehr neu in Laravel. Versuch Larvels 5.4 Mix. Nach dem Ausführen npm install und npm run dev ich folgende Fehlermeldung in npm-debug.log erhalten:

0 info it worked if it ends with ok 
1 verbose cli [ '/usr/local/bin/node', '/usr/local/bin/npm', 'run', 'dev' ] 
2 info using npm@2.15.9 
3 info using node@v4.5.0 
4 verbose run-script [ 'predev', 'dev', 'postdev' ] 
5 info predev @ 
6 info dev @ 
7 verbose unsafe-perm in lifecycle true 
8 info @ Failed to exec dev script 
9 verbose stack Error: @ dev: `cross-env NODE_ENV=development node_modules/webpack/bin/webpack.js --progress --hide-modules --config=node_modules/laravel-mix/setup/webpack.config.js` 
9 verbose stack Exit status 1 
9 verbose stack  at EventEmitter.<anonymous> (/usr/local/lib/node_modules/npm/lib/utils/lifecycle.js:217:16) 
9 verbose stack  at emitTwo (events.js:87:13) 
9 verbose stack  at EventEmitter.emit (events.js:172:7) 
9 verbose stack  at ChildProcess.<anonymous> (/usr/local/lib/node_modules/npm/lib/utils/spawn.js:24:14) 
9 verbose stack  at emitTwo (events.js:87:13) 
9 verbose stack  at ChildProcess.emit (events.js:172:7) 
9 verbose stack  at maybeClose (internal/child_process.js:829:16) 
9 verbose stack  at Process.ChildProcess._handle.onexit (internal/child_process.js:211:5) 
10 verbose pkgid @ 
11 verbose cwd /Users/jluser/htdocs/laravel/project 
12 error Darwin 16.4.0 
13 error argv "/usr/local/bin/node" "/usr/local/bin/npm" "run" "dev" 
14 error node v4.5.0 
15 error npm v2.15.9 
16 error code ELIFECYCLE 
17 error @ dev: `cross-env NODE_ENV=development node_modules/webpack/bin/webpack.js --progress --hide-modules --config=node_modules/laravel-mix/setup/webpack.config.js` 
17 error Exit status 1 
18 error Failed at the @ dev script 'cross-env NODE_ENV=development node_modules/webpack/bin/webpack.js --progress --hide-modules --config=node_modules/laravel-mix/setup/webpack.config.js'. 
18 error This is most likely a problem with the package, 
18 error not with npm itself. 
18 error Tell the author that this fails on your system: 
18 error  cross-env NODE_ENV=development node_modules/webpack/bin/webpack.js --progress --hide-modules --config=node_modules/laravel-mix/setup/webpack.config.js 
18 error You can get information on how to open an issue for this project with: 
18 error  npm bugs 
18 error Or if that isn't available, you can get their info via: 
18 error 
18 error  npm owner ls 
18 error There is likely additional logging output above. 
19 verbose exit [ 1, true ] 

Und der folgende Fehler inline:

> @ dev /Users/jluser/htdocs/laravel/project 
> cross-env NODE_ENV=development node_modules/webpack/bin/webpack.js --progress --hide-modules --config=node_modules/laravel-mix/setup/webpack.config.js 

events.js:141 
     throw er; // Unhandled 'error' event 
    ^

Error: spawn node_modules/webpack/bin/webpack.js ENOENT 
    at exports._errnoException (util.js:907:11) 
    at Process.ChildProcess._handle.onexit (internal/child_process.js:178:32) 
    at onErrorNT (internal/child_process.js:344:16) 
    at nextTickCallbackWith2Args (node.js:442:9) 
    at process._tickCallback (node.js:356:17) 
    at Function.Module.runMain (module.js:443:11) 
    at startup (node.js:139:18) 
    at node.js:974:3 

npm ERR! Darwin 16.4.0 
npm ERR! argv "/usr/local/bin/node" "/usr/local/bin/npm" "run" "dev" 
npm ERR! node v4.5.0 
npm ERR! npm v2.15.9 
npm ERR! code ELIFECYCLE 
npm ERR! @ dev: `cross-env NODE_ENV=development node_modules/webpack/bin/webpack.js --progress --hide-modules --config=node_modules/laravel-mix/setup/webpack.config.js` 
npm ERR! Exit status 1 
npm ERR! 
npm ERR! Failed at the @ dev script 'cross-env NODE_ENV=development node_modules/webpack/bin/webpack.js --progress --hide-modules --config=node_modules/laravel-mix/setup/webpack.config.js'. 
npm ERR! This is most likely a problem with the package, 
npm ERR! not with npm itself. 
npm ERR! Tell the author that this fails on your system: 
npm ERR!  cross-env NODE_ENV=development node_modules/webpack/bin/webpack.js --progress --hide-modules --config=node_modules/laravel-mix/setup/webpack.config.js 
npm ERR! You can get information on how to open an issue for this project with: 
npm ERR!  npm bugs 
npm ERR! Or if that isn't available, you can get their info via: 
npm ERR! 
npm ERR!  npm owner ls 
npm ERR! There is likely additional logging output above. 

npm ERR! Please include the following file with any support request: 
npm ERR!  /Users/jluser/htdocs/laravel/project/npm-debug.log 

ich die Homepage global installiert. Dies ist eine brandneue Installation von Laravel, keine Änderungen an webpack.mix.js oder anderen Front-End-Dateien.

Answer 1

Upgrade von Node.js auf die neueste stabile Version; Problem behoben.