simple-flexbox/webpack.config.js

A simple way to make responsive layouts using Flexbox in React

const path = require('path');

module.exports = {
    mode: 'production',
    entry: './src/index.js',
    output: {
        path: path.resolve(__dirname, 'build'),
        filename: 'index.js',
        libraryTarget: 'commonjs2'
    },
    module: {
        rules: [
            {
                test: /\.m?js$/,
                exclude: /node_modules/,
                use: {
                    loader: 'babel-loader',
                    options: {
                        presets: [['@babel/preset-env', { targets: 'defaults' }]]
                    }
                }
            }
        ]
    },
    resolve: {
        alias: {
            react: path.resolve(__dirname, './node_modules/react'),
            'react-dom': path.resolve(__dirname, './node_modules/react-dom')
        }
    },
    externals: {
        // Don't bundle react or react-dom
        react: {
            commonjs: 'react',
            commonjs2: 'react',
            amd: 'React',
            root: 'React'
        },
        'react-dom': {
            commonjs: 'react-dom',
            commonjs2: 'react-dom',
            amd: 'ReactDOM',
            root: 'ReactDOM'
        }
    }
};