webpack.config.js

const path = require("path");
const HtmlWebpackPlugin = require('html-webpack-plugin')

module.exports = {
    entry: './src/index.js',
    output: {
        filename: 'main.js',
        path: path.resolve(__dirname, "dist")
    },
    devServer: {
        contentBase: path.join(__dirname, 'dist'),
        port: 8081
    },
    plugins: [
        new HtmlWebpackPlugin({
            filename: 'index.html',
            template: path.resolve(__dirname, './src/index.html')
        })
    ],
    module: {
        rules: [
            {
                test: /\.js$/,
                exclude: /(node_modules)/,
                use: {
                    loader: 'babel-loader',
                    options: {
                        presets: ['@babel/preset-env', '@babel/preset-react']
                    }
                }
            },
            {
                test: /\.(scss|css)$/,
                use: [
                    { loader: 'style-loader'},
                    { loader: 'css-loader' },
                    { loader: 'sass-loader' }
                ]
            },
            {
                test: /\.(png|jpg|jpeg|bmp|gif)$/,
                use: [
                    { loader: 'url-loader' }
                ]
            }
        ]
    }
    
}