This shell lets you use react devtools as a firefox devtools extension.

{{screenshot}}

• npm install -g jpm
• npm install in the repo root folder
• ./build.sh

This will produce an xpi file. You can load it in Firefox via Addons > gear icon > Debug Addons > Load Temporary Addon.

The files in main are not transpiled by webkit/babel, but are run in firefox extension context. Still, you have some es6 things like string template literals, object literal shorthand, and object destructuring, and let/const.

Everything else is transpiled.