Loading collection data...
Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
This took some reading to understand but its a hell of a solution, kudos!
well done man
Sort mutates the initial array (link below). Can use the new spread opperator to avoid mutating initial array (or use copy, slice, etc.)
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/sort