Phaser 3.0: HTML5 game framework

If on the other hand you want the option to build for desktop or mobile and other platforms try Unity. Why not pick Unity from the start? It supports building in WebGL but you can't really delve in that automatically generated javascript code to fix something in there and even if you tried to do it you would have to do it every time you build your game. You just have to trust that Unity will keep up to date its framework and its build system will optimise it as best as it can.

Also with Unity you trust your art and music to its packaging system. You can change some of the import options, but in the end you depend on its optimisations.

I usually program in Emacs, but fire up an IDE when I need to debug or want some assistance in navigating the codebase or learning some new library.

I find that the code I write in Emacs is much more succint and cleaner. I think the more layers you remove, the more you can focus. I bet that if I wrote my programs with pen and paper, my programs would be much more beautiful.

But if you need to manage complexity, it is far more feasible to use an IDE.

Choose the right tools for the job. Use editors/pen and paper/whiteboards/IDEs to meet your requirements.

Advocating the use of text editors over IDEs is IMHO the typical example of the "Real programmers use Fortran" syndrome.

One of the recent posts mentioned that TS defs would be part of launch, but it's been quiet on that front now.

There's a closed issue in GitHub where someone is creating defs themself.

If I remember correctly TS community support was why he didn't stick with it. Community voted and straight JS but with TS defs were going to be the target.