[J Decker]

https://emscripten.org/docs/compiling/WebAssembly.html#wasm-files-and-compilation 

explains about the option -s BINARYEN_ASYNC_COMPILATION=0

... and it says to set the module[webassembly] thing; but there's no mention of how to actually make it go?

This is Node.  

I just want to require( "myWasmModule" ); and have the return wait and be a valid, normal, required thing.