JS: Game Player Movement

const keyboardController = (() => {
  document.addEventListener("keydown", inputEvent);
  document.addEventListener("keyup", inputEvent);
  const keyboardController = {
    right: false,
    left: false,
    up: false,
    any : false,
  };
  function inputEvent(event) {
  const status = event.type === "keydown"
    if (event.keyCode == 39) // up controller
    {
      keyboardController.right = status;
    } else if (event.keyCode == 37) { // right controller
      keyboardController.left = status;
    } else if (event.keyCode == 38) { //left controller
      keyboardController.up = status;
      event.preventDefault(); // to prevent the default functionality of event
    }
    if(status) { keyboardController.any = true } // must reset when used
  }
  return keyboardController;
})();
// make sure window has focus for keyboardController input.
window.focus();