References:
Webpack 4 and Babel (2018) https://medium.com/@jeffrey.allen.lewis/the-ultimate-2018-webpack-4-and-babel-setup-guide-npm-yarn-dependencies-compared-entry-points-866b577da6a
Webpack 4 new features https://blog.pusher.com/whats-new-webpack-4/
ES6 for beginners https://dev.to/srebalaji/es6-for-beginners-with-example-c7
Babel JS Try out https://babeljs.io/repl/
How to Configure Webpack with Vue.js https://medium.com/js-dojo/how-to-configure-webpack-4-with-vuejs-a-complete-guide-209e943c4772
Babel and Webpack 3 ES2015-ES2017 https://www.youtube.com/watch?v=iWUR04B42Hc
Webpack plugins https://webpack.js.org/plugins
https://github.com/Colt/webpack-demo-app.git
npm install @babel/cli @babel/core @babel/node @babel/preset-env @babel/register babel-loader --save-dev npm install @babel/preset-react