type-fest
A collection of essential TypeScript types
extend-shallow
Extend an object with the properties of additional objects. node.js/javascript util.
globby
User-friendly glob matching
async
Higher-order functions and common patterns for asynchronous code
prelude-ls
prelude.ls is a functionally oriented utility library. It is powerful and flexible. Almost all of its functions are curried. It is written in, and is the recommended base library for, LiveScript.