npm error in Laravel 7 when running npm run dev

Question

I use Windows 10. I just installed Laravel 7 and I created a new project using the following command:

composer create-project --prefer-dist laravel/laravel briscola

Then I added the following code in app.scss file to render a red background:

body {
    background-color: red;
}

Then I run the following code to use the current app.scss file:

npm run dev

However unfortunately the previous command didn't work and I saw the following error:

> @ dev C:\xampp\htdocs\briscola
> npm run development

npm WARN invalid config loglevel="notice"

> @ development C:\xampp\htdocs\briscola
> cross-env NODE_ENV=development node_modules/webpack/bin/webpack.js --progress --hide-modules --config=node_modules/laravel-mix/setup/webpack.config.js

"cross-env" non è riconosciuto come comando interno o esterno,
 un programma eseguibile o un file batch.
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! @ development: `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 @ development script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.
npm WARN Local package.json exists, but node_modules missing, did you mean to install?

npm ERR! A complete log of this run can be found in:
npm ERR!     C:\Users\Della Mea Michele\AppData\Roaming\npm-cache\_logs\2020-04-05T15_14_25_432Z-debug.log
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! @ dev: `npm run development`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the @ dev script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.
npm WARN Local package.json exists, but node_modules missing, did you mean to install?

npm ERR! A complete log of this run can be found in:
npm ERR!     C:\Users\Della Mea Michele\AppData\Roaming\npm-cache\_logs\2020-04-05T15_14_26_197Z-debug.log

Have you any idea about this error and how to solve it?

@andy I tried but when I run rm package-lock.json yarn.lock I received rm: cannot remove 'yarn.lock': No such file or directory. Then when I run npm install cross-env I received many warnings.. is it possible that my current version of node (6.11.2) is too old? Finally when I run npm run dev I receive errors after that row: at Object.<anonymous> (C:\xampp\htdocs\briscola\node_modules\cross-env\src\bin\cross-env.js:3:18) npm ERR! code ELIFECYCLE — Michele Della Mea
– Michele Della Mea, Commented Apr 6, 2020 at 14:19

Andy Song · Accepted Answer · 2020-04-06 10:32:49Z

6

actually try this,

rm -rf node_modules
rm package-lock.json yarn.lock
npm cache clear --force

Then

npm install cross-env

npm install

Finally

npm run dev

edited Apr 6, 2020 at 10:32

answered Apr 6, 2020 at 5:41

Andy Song

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1 Comment

Michele Della Mea Over a year ago

I solved... simply I updated node from 6.11.2 to 12.16.1 and then I followed your steps. Thanks a lot!

Hikmat Mohammed · Accepted Answer · 2020-04-06 08:07:43Z

1

To run npm run dev You should run this command first:

npm install

If any error appears then you should install Node.js first.

Hope it helps :)

answered Apr 6, 2020 at 8:07

Hikmat Mohammed

487 bronze badges

1 Comment

Michele Della Mea Over a year ago

I used that command npm install but nothing changed... it appears always the same error.

Jey Yuu · Accepted Answer · 2021-01-17 07:02:31Z

I did all the accepted answers in this thread (and other threads too) but to no avail. What really solved my problem regarding this issue was:

Uninstall my node.js
Manually delete all npm and node_modules folder in my C:\Program Files (or wherever you might have installed it because 'uninstalling' sometimes won't delete data folders)
Made sure I removed the file path C:\Users\ACER\AppData\Roaming\npm on my Environment Variables
Downloaded this node version for my Windows 7 LINK HERE then installed it freshly. Important: Don't forget to restart your computer after the installation!

These steps were successful and you can try it if above answers don't work.

Now when I rechecked my versions, they are now fine and working and won't give errors.

$ npm -v
6.13.4

$ node -v
v13.6.0

$ npx -v
6.13.4

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