Async/await - Wikipedia
In computer programming, the async/await pattern is a syntactic feature of many programming languages that allows an asynchronous...
"async and await make promises easier to write". async makes a function return a Promise. The keyword async before a function makes the function return a promise
yortus/asyncawait: Callback heaven for Node.js with async/await
JS async/await was standardized as part of ES2017, and has been enabled by default in Node.js So, do you still need this library? If you are just starting to use async/await, the answer is probably no.
Using Async/await in Express | Zell Liew
To use Async/await, you need to use the async keyword when you define a request handler. (Note: These request handlers are known as called "controllers". I prefer calling them request handlers...