Hi @NokFrt and welcome to the forums! I’d say I very much share what you feel about Javascript versus Typescript.
For smaller projects, like prototypes and demos, we will use Javascript, for the sake of simplicity but for bigger projects we will most likely go with Typescript. We’ve developed a small extension and command line tool that you can install to easily synchronize your local codebase with your online Playcanvas project.
That is a great fit for a Typescript based project, since you can now use it with the editor as well.
It is free to use, in beta right now but works quite well for us:
And here are some instructions on how we usually setup TS for Playcanvas editor dev: