I still find async.js to be a superior tool for complex use cases than promises, async/await or callbacks. Think about it. A higher level abstraction designed f

I still find async.js to be a superior tool for complex use cases than promises, async/await or callbacks. Think about it. A higher level abstraction designed for specific use cases, as for example to do sequential or parallel async operations is a far better approach imho than cobbling the same together using generic async language feature of choice.