Too Long; Didn't Read
Every day that I work in JavaScript-land, I stumble across a mixture of callbacks, promises or async/await. I have my own preferences in how I like to handle async code, though sometimes I don’t have a choice because an external library like <a href="https://nodejs.org/api/fs.html" target="_blank">fs</a>, <a href="https://serverless.com" target="_blank">serverless</a>, <a href="https://www.npmjs.com/package/aws-sdk" target="_blank">aws-sdk</a>, etc. is using something else.