Antd is great, but all components in Zent are extracted from our product at youzan.com. I'm pretty sure we developed Zent to satisfy our business needs, but not to imitate something.
How are collection functions not useful in python? I use map and sort (or the comprehension equivalent) daily. The rest I use at least once a week, with the possible exception of groupBy - as my workload doesn't really need it very often.