To activly work with this repository you need to install yarn + Nodejs
Each file in src directory represents single function. You can easly write code in the newest standard as this code will be transpiled to support html5+ browsers.
To check if the code is correct run yarn build in your command line if process exit with code 0 that means your code is correct and ready to be commited.
You can write tests with jest framework, by placing file in src/__tests__ directory.
If you want to expose template in generator please update templates.js file.