Level 9
@Dima On a fresh 5.4 install I simply changed webpack.mix.js:
mix.js('resources/assets/js/app.js', 'public/js')
.scss('resources/assets/sass/app.scss', 'public/css');
to:
mix.js('resources/assets/js/app.js', 'public/js')
.stylus('resources/assets/styl/app.styl', 'public/css');
notice the new path and stylus file: 'resources/assets/styl/app.styl'
run
npm run dev