npm run dev is not working in Laravel 7 project

Question

I am working with Laravel 7, installed auth bootstrap and ran npm install command as well. After I ran npm run dev command the following error messages occurred:

cross-env NODE_ENV=development node_modules/webpack/bin/webpack.js --progress --hide-modules --config=node_modules/laravel-mix/setup/webpack.config.js

[webpack-cli] Error: Unknown option '--hide-modules'
[webpack-cli] Run 'webpack --help' to see available commands and options

How could I fix this problem? package.json

{
    "private": true,
    "scripts": {
        "dev": "npm run development",
        "development": "cross-env NODE_ENV=development node_modules/webpack/bin/webpack.js --progress --hide-modules --config=node_modules/laravel-mix/setup/webpack.config.js",
        "watch": "npm run development -- --watch",
        "watch-poll": "npm run watch -- --watch-poll",
        "hot": "cross-env NODE_ENV=development node_modules/webpack-dev-server/bin/webpack-dev-server.js --inline --hot --disable-host-check --config=node_modules/laravel-mix/setup/webpack.config.js",
        "prod": "npm run production",
        "production": "cross-env NODE_ENV=production node_modules/webpack/bin/webpack.js --no-progress --hide-modules --config=node_modules/laravel-mix/setup/webpack.config.js"
    },
    "devDependencies": {
        "axios": "^0.21.1",
        "bootstrap": "^4.0.0",
        "cross-env": "^7.0",
        "jquery": "^3.2",
        "laravel-mix": "^6.0.25",
        "lodash": "^4.17.19",
        "popper.js": "^1.12",
        "resolve-url-loader": "^3.1.0",
        "webpack": "^5.23.0"
    }
}

Laravel updated the script sections at some point. The new syntax can be seen here. it's also a lot cleaner. Also remove webpack from your dependencies. Mix will install the version it needs automatically. Your issue here is you've upgraded mix to a version newer than what L7 came with — apokryfos
– apokryfos, Commented Jun 28, 2021 at 15:41

Mohammad Hosseini · Accepted Answer · 2021-06-28 15:26:39Z

1

I had the same problem and I solved it with below steps:

add "webpack": "^5.23.0" in package.json
run commands:

npm uninstall sass
npm uninstall sass-loader
rm -rf node_modules
rm package-lock.json yarn.lock
npm cache clear --force
npm install

after that npm run dev worked properly.

answered Jun 28, 2021 at 15:26

Mohammad Hosseini

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6 Comments

Narakaya Over a year ago

got following error message here 'Remove-Item : A parameter cannot be found that matches parameter name 'rf'. At line:1 char:7'

Mohammad Hosseini Over a year ago

@Ranawaka what's your OS?Windows?

Mohammad Hosseini Over a year ago

@Ranawaka You can call Remove-Item without -rf, and it still works, but it asks you for confirmation, means run rm node_modules. You can say “A” for “Yes to all” and then it does what You want.

Mohammad Hosseini Over a year ago

@Ranawaka you can also able to solve the problem with a downgrade to "webpack": "^4.44.1". Afterwards npm run development may work without problems.

Narakaya Over a year ago

how could I downgrade webpack?

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