Highlighted by Maxi Cruz
From A Deep, Deep, Deep, Deep, Deep Dive into the Angular Compiler by Uri Shaked
The Angular Language Services allow you to run the compiler inside your favorite IDE (WebStorm, Visual Studio Code), etc., and get benefits such as auto complete and detailed errors while editing the templates. If you haven’t used them you definitely should: they will make you a much more efficient Angular developer. If you use VSCode — here is the extension.