Got any 4-5 year old Node Project running in production? Here's a guide to quickly upgrade it to 2020.
In it, I cover the following area:
- Nested callbacks/promises
- Ambiguous function input/output
- Inconsistent code formatting standard
- Lack of error reporting
- How to justify refactoring by collecting metrics
https://medium.com/teamzerolabs/2020-node-js-quick-upgrade-guide-cf671a83f4e7?sk=3adb7796030f4d2d85768b054f9988da