copicake-js is ready and used it to generate demos on the main website :D
https://www.npmjs.com/package/@copicake/copicake-js
spent a few hours to write copicake-js and set up unit tests/CI/auto-deployment! Everything is working as expected now :D
spent a few hours to write copicake-js and set up unit tests/CI/auto-deployment! Everything is working as expected now :D