webpack.config.js

const HtmlWebPackPlugin = require("html-webpack-plugin");
const MiniCssExtractPlugin = require("mini-css-extract-plugin");
const path = require('path');

module.exports = {
    entry: './app/index.jsx',
    output: {
        path: path.resolve(__dirname, 'dist'),
        filename: 'index.bundle.js',
    },
    module: {
        rules: [
            {
                test: /\.(js|jsx)$/,
                exclude: /node_modules/,
                use: [
                    'babel-loader', 'eslint-loader'
                ]
            },
            {
                test: /\.html$/,
                use: [
                    {
                        loader: "html-loader",
                        options: { minimize: true }
                    }
                ]
            },
            {
                test: /\.scss$/,
                use: [MiniCssExtractPlugin.loader, "css-loader", "sass-loader"]
            },
        ]
    },
    plugins: [
        new HtmlWebPackPlugin({
            template: "./app/index.html",
            filename: "./index.html"
        }),
        new MiniCssExtractPlugin({
            filename: "[name].css",
            chunkFilename: "[id].css"
        })
    ]
};