webpack.config.js

const path = require('path');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const MiniCSSExtractPlugin = require('mini-css-extract-plugin');

module.exports = {
    entry: ['@babel/polyfill', './src/index.js'],
    output: {
        path: path.resolve(__dirname, 'dist'),
        filename: 'bundle.js'
    },
    resolve: {
        extensions: ['.js', '.jsx'],
    },
    module: {
        rules: [
            {
                test: /\.(js|jsx)$/,
                exclude: /node_modules/,
                use: {
                    loader: 'babel-loader',
                }
            },
            {
                test: /\.scss$/,
                use: [MiniCSSExtractPlugin.loader, "css-loader", "sass-loader"]
            },
            {
                test: /\.(png|svg|jpg|jpeg|gif)$/,
                use: [{
                    loader: "file-loader",
                    options: {
                        publicPath: '../',
                        useRelativePaths: true
                    }
                }]
            }
        ]
    },
    plugins: [
        new HtmlWebpackPlugin({
            template: 'public/index.html'
        }),
        new MiniCSSExtractPlugin({
            filename: 'src/assets/styles/[name].css'
        })
    ],
    devServer: {
        contentBase: path.resolve(__dirname, 'dist'),
        port: 5500,
        compress: true
    }
}