webpack.config.js

const path = require('path');

module.exports = {
    mode: 'development',
    entry: './assets/app.js',
    output: {
        path: path.resolve(__dirname, 'public/dist'),
        filename: 'bundle.js',
    },
    module: {
        rules: [
            {
                test: /\.css$/i,
                use: ['style-loader', 'css-loader'],
            },
            {
                test: /\.(scss)$/,
                use: [
                    {
                        loader: 'style-loader'
                    },
                    {
                        loader: 'css-loader'
                    },
                    {
                        loader: 'postcss-loader',
                        options: {
                            postcssOptions: {
                                plugins: () => [
                                    require('autoprefixer')
                                ]
                            }
                        }
                    },
                    {
                        loader: 'sass-loader'
                    }
                ]
            }
        ],
    },
};