Hello,
I am willing to pay a $500 bounty to get a functioning wasm build of openSCAD with the following conditions.
Documentation of javascript API to push and pull file data from the webassembly virtual file system.
Capability to execute all the command line operations that would be applicable in a headless no GUI environment and return what normally would be the result executing in a command line terminal.
Example of taking an openSCAD script and retrieving the output as stl file.
Please reach out if this is some thing you are interested in.