Laravel在npm run dev命令中出错

Question

I am getting below error while running

'npm run dev'

command.

> cross-env NODE_ENV=development node_modules/webpack/bin/webpack.js --watch --p
rogress --hide-modules --config=node_modules/laravel-mix/setup/webpack.config.js


'cross-env' is not recognized as an internal or external command,
operable program or batch file.

npm ERR! Windows_NT 6.1.7601
npm ERR! argv "C:\\Program Files\
odejs\
ode.exe" "C:\\Program Files\
odejs\\
node_modules\
pm\\bin\
pm-cli.js" "run" "watch"
npm ERR! node v6.11.4
npm ERR! npm  v3.10.10
npm ERR! code ELIFECYCLE
npm ERR! @ watch: `cross-env NODE_ENV=development node_modules/webpack/bin/webpa
ck.js --watch --progress --hide-modules --config=node_modules/laravel-mix/setup/
webpack.config.js`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the @ watch script 'cross-env NODE_ENV=development node_modul
es/webpack/bin/webpack.js --watch --progress --hide-modules --config=node_module
s/laravel-mix/setup/webpack.config.js'.
npm ERR! Make sure you have the latest version of node.js and npm installed.
npm ERR! If you do, 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
--watch --progress --hide-modules --config=node_modules/laravel-mix/setup/webpac
k.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 owner ls
npm ERR! There is likely additional logging output above.

Can anybody tell me what is the issue here? Thanks

Answer 1

I've had the same issue recently after upgrading Laravel app. You just need to install the package:

npm install cross-env