It is quite easy to migrate from CoffeeScript to ES6. You can use decaffeinate Show archive.org snapshot to convert your CoffeeScript source to modern JavaScript.
yarn global add decaffeinate
~/.bashrc
to export the Yarn binaries in your Bashexport PATH="$PATH:$(yarn global bin)"
decaffeinate some.coffee
to get the converted modern JavaScript file.babel.config.js
, run decaffeinate, restore the babel config file.