Function napi::bindgen_prelude::get_c_callback

pub fn get_c_callback(raw_fn: ExportRegisterCallback) -> Result<Callback>

Get C Callback from defined Rust fn

#[napi]
fn some_fn() -> u32 {
    1
}

#[napi]
fn create_obj(env: Env) -> Result<JsObject> {
    let mut obj = env.create_object()?;
    obj.define_property(&[Property::new("getter")?.with_getter(get_c_callback(some_fn_js_function)?)])?;
    Ok(obj)
}

console.log(createObj().getter) // 1