Node.js ESM https://codewithhugo.com/use-es-modules-in-node-without-babel/webpack-using-esm/CommonJS + UMD + AMD + ES modules https://dev.to/iggredible/what-the-heck-are-cjs-amd-umd-and-esm-ikmhttps://medium.com/@jamischarles/using-import-export-in-node-js-with-esm-7ce9153ff63