When opening file that is .js, react-component-tree not parse (.jsx works)

[pkellner]

Thank you for doing this component and keeping this viewer alive!

I used Sapling in several of my Pluralsight courses as a teaching aid, and I plan on updating to react-component-tree.

I know I can simply rename my .js file to .jsx and it works, but it might confuse users as I have many hours of recorded training that shows the project window with an app.js and not app.jsx.

I'd really appreciate it if the choose file / open .js file would treat that the same as jsx.