Laravel npm watch task fails with 'cannot read property 'module' of undefined'

Question

I am using Laravel 5.6.34, Node 8.11.1 and NPM 6.0.0.

I need to compile my scss to css and have Laravel watch changes to my files, so that I don't have to compile manually every time. However, when I run npm watch or npm watch-poll, I get the following error:

Cannot read property 'module' of undefined

It fails at the development and the watch scripts.

When I run npm run dev, it compiles my changes.

I tried to change the npm run script in the package.json file to this: "node node_modules/cross-env/bin/cross-env.js NODE_ENV=development node_modules/webpack/bin/webpack.js --watch --progress --hide-modules --config=node_modules/laravel-mix/setup/webpack.config.js" but it still fails.

These are my scripts, they are the standard ones that come with Laravel:

"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 --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"
},

I'm not sure what else I can try to make it work. Any suggestions?

Delete node_modules folder and run npm install, then try running npm run watch again — Polaris
– Polaris, Commented Sep 5, 2018 at 11:37
Thank you. I had update node and do a few more tweeks, but all is working now. — AffectionateOrange
– AffectionateOrange, Commented Sep 5, 2018 at 12:33

Polaris · Accepted Answer · 2018-09-05 13:05:03Z

1

Delete node_modules folder and run npm install, then try running npm run watch again

answered Sep 5, 2018 at 13:05

Polaris

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