Check out the fully-functional instance of the app at https://dragunoff.github.io/OpenRA-replay-analytics/.
This is a visualization tool for data extracted from OpenRA replay files.
To extract data from replays, use openra-ruby with the --format option set to json or pretty-json. Here is an example command:
openra replay-data /path/to/replay.orarep --format pretty-jsonnpm install
npm run serve
npm run build
npm run lint