webpack.mix.js

const mix = require('laravel-mix');

/*
 |--------------------------------------------------------------------------
 | Mix Asset Management
 |--------------------------------------------------------------------------
 |
 | Mix provides a clean, fluent API for defining some Webpack build steps
 | for your Laravel applications. By default, we are compiling the CSS
 | file for the application as well as bundling up all the JS files.
 |
 */

// mix.js('resources/js/app.js', 'public/js')
//     .postCss('resources/css/app.css', 'public/css', [
//         require('postcss-import'),
//         require('tailwindcss'),
//     ]);
mix.js('resources/js/app.js', 'public/js')
    // .sass('resources/css/app.css', 'public/css')
    .sass('resources/sass/app.scss', 'public/css')
    .options({
        postCss: [
            require('postcss-import'),
            require('tailwindcss'),
        ]
    });

if (mix.inProduction()) {
    mix.version();
}