code_snippet_10 for "Playing Mortal Kombat with TensorFlow.js. Transfer learning and data augmentation" translation

code_snippet_10.js

const startInterval = (mobilenet, model) => () => {
  setInterval(() => {
    canvas.getContext('2d').drawImage(video, 0, 0);
    grayscale(scale
      .getContext('2d')
      .drawImage(
        canvas, 0, 0, canvas.width,
        canvas.width / (ImageSize.Width / ImageSize.Height),
        0, 0, ImageSize.Width, ImageSize.Height
      ));
    const [punching] = Array.from((
      model.predict(mobilenet(tf.fromPixels(scale))) as tf.Tensor1D)
    .dataSync() as Float32Array);
    const detect = (window as any).Detect;
    if (punching >= 0.4) detect && detect.onPunch();
  }, 100);
};