failed to build to webassembly

[TorosFanny]

When compiling code simply like this

fn main() {
  let formula1 = katex::render("E = mc^2").unwrap();

  let opts = katex::Opts::builder().display_mode(true).build().unwrap();
  let formula2 = katex::render_with_opts("E = mc^2", opts).unwrap();
}

with command

cargo web build

Then it reports:

note: rust-lld: error: unknown file type: quickjs.nolto.o

[xu-cheng]

This library is primarily to be used for server side rendering. It utilizes quickjs, which is a JS interpreter written in C. Currently, it does not support webassembly target.

It is possible to build in webassembly with this patch and emscripten.

However, if your use case is running KaTeX inside browser. A better solution would be to call KaTeX JS directly through wasm-bindgen.