webpack.mix.js

let mix = require('laravel-mix')

mix.js([
    'node_modules/bootstrap/dist/js/bootstrap.bundle.min.js',
    'node_modules/skip-link-focus/skip-link-focus.min.js',
    'node_modules/@fortawesome/fontawesome-free/js/regular.js',
    'node_modules/@fortawesome/fontawesome-free/js/brands.js',
    'node_modules/@fortawesome/fontawesome-free/js/fontawesome.js',
    'src/js/app.js',
    ], './js/app.js')
    .extract([
        'bootstrap'
    ])
    .sass('src/sass/app.scss', './css/app.css')
    .minify([
        './css/app.css',
        './js/app.js', 
        './js/manifest.js', 
        './js/vendor.js'
    ])