How to use the react-vtkjs-viewport.loadImageData function in react-vtkjs-viewport

loadProgressively(imageDataObject) {
    loadImageData(imageDataObject);

    const { isLoading, insertPixelDataPromises } = imageDataObject;

    const numberOfFrames = insertPixelDataPromises.length;

    if (!isLoading) {
      this.setState({ isLoaded: true });
      return;
    }

    insertPixelDataPromises.forEach(promise => {
      promise.then(numberProcessed => {
        const percentComplete = Math.floor(
          (numberProcessed * 100) / numberOfFrames
        );