ss = (progress) => {
      if (loadingInner) loadingInner.style.width = progress * 100 + '%';
    };
    const interpolate = (a, b, t) => a + t * (b - a);

    try {
      setProgress(0.1);

      const scaffolding = new Scaffolding.Scaffolding();
      scaffolding.width = 480;
      scaffolding.height = 360;
      scaffolding.resizeMode = "preserve-ratio";
      scaffolding.editableLists = false;
      scaffolding.setup();
      scaffolding.appendTo(appElement);

      const vm = scaffolding.vm;
      wind