webpack.config.js

const path = require('path')
const MiniCssExtractPlugin = require('mini-css-extract-plugin')

module.exports = {
    mode: process.env.NODE_ENV,
    entry: './src/index.js',
    output: {
        path: path.resolve(__dirname, 'assets')
    },

    plugins: [
        new MiniCssExtractPlugin({
            // Options similar to the same options in webpackOptions.output
            // all options are optional
            filename: 'styles.css',
            chunkFilename: '[id].css',
            ignoreOrder: false, // Enable to remove warnings about conflicting order
        }),
    ],

    module: {
        rules: [
            {
                test: /\.m?js$/,
                exclude: /(node_modules|bower_components)/,
                use: {
                    loader: 'babel-loader',
                    options: {
                        presets: ['@babel/preset-env']
                    }
                }
            },
            {
                test: /\.s?[ac]ss$/i,
                use: [
                    {
                        loader: MiniCssExtractPlugin.loader,
                        options: {
                            hmr: process.env.NODE_ENV === 'development',
                        },
                    },
                    'css-loader',
                    {
                        loader: 'postcss-loader',
                        options: {
                            ident: 'postcss',
                            plugins: [
                                require('tailwindcss'),
                                require('autoprefixer'),
                            ],
                        },
                    },
                    'sass-loader'
                ]
            }
        ]
    }
}