Since Babel 7, you're supposed to be able to ask Babel to also transpile imported node_modules, by using a babel.config.js file. It doesn't work with the old .babelrc files. CodeKit only checks for ...
An (experimental) hack to compile JSX files and ES6 code in CodeKit using the Babel compiler. Using this, you can use JSX code in CodeKit and let it compile as you would expect. As a bonus, you can ...