Not apparent at first, but this is a TypeScript to c++ compiler at the core (https://github.com/geastack/compiler), with bindings for various platforms.

What do they use for graphics and audio?

• zero_shift

  today at 9:58 PM

  It's not clear at first glance, but given (1) the apps are written in JavaScript (2) the project has repos for different OS native bindings, my bet is some kind of embedded JavaScript engine that just calls through to OS native widets

• dashersw

  today at 8:28 PM

  Each platform has its native bindings. For graphics, you write CSS and HTML canvas API as well as JSX, it renders to native components and their alignments, the canvas API is converted to native surfaces, whatever the platform uses.

  • zerr

    today at 8:49 PM

    I mean, is it OpenGL, Vulkan, Metal? etc...

Ah this is for embedded apps. Pretty neat!

• dashersw

  today at 8:41 PM

  It also supports iOS, macOS, Android, Windows, Linux, XBox for Three.js games, as well as (some) Node.js apps.

  • jr3592

    today at 9:13 PM

    could you throw a react project (WEB) at it and get a native macos project out of it?

    • dashersw

      today at 10:19 PM

      It supports Gea frontends (https://geajs.com). Technically it could compile React with a plugin, but that is left to the community as an exercise :)

    • letrix

      today at 9:27 PM

      It loosk more like React Native: https://github.com/geastack/examples/tree/main/apps/notes-na...

      https://www.youtube.com/watch?v=o5RDfAmzE7s

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"The earlier implementation could not be driven to zero of them, because boxing was load-bearing in its emitter"

In the docs of the repo of their TS to C++ compiler. https://github.com/geastack/compiler