Nice such options too fall under generators for me too.

What process do you use, to set yourself ahead of other developers whenever a new package/framework/technology comes out? How well do you understand such new things to become a teacher in them?

I would advocate for AngularJs for Typescript. There isn't match difference between the two other than typescript needs to be compiled down to JS. With typescript however you get a few advantages As much as the AngularJs developers are providing both documentations for Angular for Javascript and Angular for Typescript. They are leaning more on typescript than javascript. Hence more support for typescript. Typescript been a superset of javascript ensures that it implements most javascript features in due time before a javascript standard comes out. This ensures you don't have to struggle with learning new features for javascript. And with every newly released ECMAScript version Typescript will always have more documentation.

Assuming Mozilla has its own style guide of coding, does it affect your creativity in terms of how you would write and structure your code?