use napi_sys::*; use std::ptr; extern "C" fn test_get_undefined( env: napi_env, _: napi_callback_info, ) -> napi_value { let mut result = ptr::null_mut(); unsafe { napi_get_undefined(env, &mut result) }; result } pub fn init(env: napi_env, exports: napi_value) { let properties = &[crate::new_property!( env, "test_get_undefined\0", test_get_undefined )]; unsafe { napi_define_properties(env, exports, properties.len(), properties.as_ptr()) }; }