webpack.config.js

const MiniCssExtractPlugin = require('mini-css-extract-plugin');
const path = require('path');
const sourceDirectory = 'Resources/Private';
const targetDirectory = 'Resources/Public';

module.exports = {
    entry: [
        `./${sourceDirectory}/Scripts/module.js`,
        `./${sourceDirectory}/Styles/module.scss`
    ],
    output: {
        path: path.resolve(__dirname, targetDirectory),
        filename: '[name].js'
    },
    devtool: 'source-map',
    plugins: [
        new MiniCssExtractPlugin({
            // Options similar to the same options in webpackOptions.output
            // all options are optional
            filename: '[name].css',
            chunkFilename: '[id].css',
            ignoreOrder: false, // Enable to remove warnings about conflicting order
        }),
    ],
    module: {
        rules: [
            {
                test: /\.(js|jsx)$/,
                exclude: /node_modules/,
                use: {
                    loader: "babel-loader"
                }
            },
            {
                test: /\.s[ac]ss$/i,
                use: [
                    // Creates `style` nodes from JS strings
                    'style-loader',
                    {
                        loader: MiniCssExtractPlugin.loader,
                        options: {
                            // you can specify a publicPath here
                            // by default it uses publicPath in webpackOptions.output
                            // publicPath: '../',
                            // hmr: process.env.NODE_ENV === 'development',
                        },
                    },
                    // Translates CSS into CommonJS
                    {
                        loader: 'css-loader',
                        options: {
                            sourceMap: process.env.NODE_ENV === 'development',
                        },
                    },
                    // Compiles Sass to CSS
                    {
                        loader: 'sass-loader',
                        options: {
                            sourceMap: process.env.NODE_ENV === 'development',
                        },
                    },
                ],
            },
        ]
    }
};