webpack.config.js

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

module.exports = {
    mode: 'development',
    devtool: "inline-source-map",
    entry: {
        main: './src/index.js',
    },
    output: {
        filename: '[name].bundle.js',
        path: path.resolve(__dirname, 'dist')
    },
    module: {
        rules: [
            {
                test: /\.css$/,
                use: [
                    'style-loader',
                    'css-loader',
                ]
            },
            {
                test: /\.(png|jpg|gif)$/,
                use: [
                    'file-loader'
                ]
            },
            {
                test:/\.(jsx|js)$/,
                use: {
                    loader: 'babel-loader',
                    options: {
                        presets: ['@babel/preset-env']
                    }

                }
            }
        ]
    },
    plugins: [
        new HtmlWebpackPlugin({
            template: './src/index.html',
            filename: "index.html",
            title: 'Development'
        })
    ],
    optimization: {
        splitChunks: {
            chunks: "all"
        }
    }
};