angular Improved Error Logging by the Angular AOT Compiler For the years, one of the biggest pain in Angular was to debug, because of the error message, there was no clear stack trace where the actual error is. Ivy improved it a lot, because of the locality principle, and gives us the line number too.
javascript Under-the-hood of type systems (e.g. TypeScript) I struggled to find an explanation from a low-level view of exactly how a “JavaScript type system compiler” is implemented. I understood many of the jobs of a type system but was unsure of the mechanisms involved and how they worked together.
