Method construct

crates/wasm/src/js_module.rs:207–231

(
            &self,
            args: PosArgs<PyJsValueRef>,
            opts: NewObjectOptions,
            vm: &VirtualMachine,
        )

        #[pymethod]
        fn construct(
            &self,
            args: PosArgs<PyJsValueRef>,
            opts: NewObjectOptions,
            vm: &VirtualMachine,
        ) -> PyResult<PyJsValue> {
            let ctor = self
                .value
                .dyn_ref::<js_sys::Function>()
                .ok_or_else(|| vm.new_type_error("JS value is not callable"))?;
            let proto = opts
                .prototype
                .as_ref()
                .and_then(|proto| proto.value.dyn_ref::<js_sys::Function>());
            let js_args = args.iter().map(|x| -> &PyJsValue { x }).collect::<Array>();
            let constructed_result = if let Some(proto) = proto {
                Reflect::construct_with_new_target(ctor, &js_args, proto)
            } else {
                Reflect::construct(ctor, &js_args)
            };

            constructed_result
                .map(PyJsValue::new)
                .map_err(|err| new_js_error(vm, err))
        }

        #[pymethod]
        fn as_str(&self) -> Option<String> {