This script will analyze the translation coverage in your source code. It improves upon i18next-scanner here and there, and is custom-tailored to a use-case I have.
The key insight here is that parsing and scanning code with Babel is remarkably simple, and you can just build a small tool with it when the need arises. And there's a good chance this is an easier path than trying to get existing tooling to work for you!
It assumes you wrap all your content strings like such:
