Binary package “node-when” in ubuntu focal

Async tools and when() implementation for Node.js

 A lightweight Promises/A+ and when() implementation, plus other
 async tools.
 A when() function is responsible of triggering actions depending on the
 result of executing asynchronous actions, with submethods to check for
 any or all results, and handling exceptions.
 Promises/A+ is a programming interface for asynchronous operations.
 Node.js is an event-based server-side JavaScript engine.