type App

fn js_bind_buttons() -> Unit

fn js_defer(cb : () -> Unit, ms : Int) -> Unit

fn js_dom_init() -> Unit

fn js_engine_depth() -> Int

fn js_hide_promotion() -> Unit

fn js_initial_fen() -> String

fn js_render(cells : String, status : String, selected : Int, targets : String, from : Int, to : Int, animate : Bool) -> Unit

fn js_set_captured(by_white : String, by_black : String) -> Unit

fn js_set_on_cell(cb : (Int, Int) -> Unit) -> Unit

fn js_set_on_new(cb : () -> Unit) -> Unit

fn js_set_on_undo(cb : () -> Unit) -> Unit

fn js_show_promotion(is_white : Bool, cb : (Int) -> Unit) -> Unit