@cleerlycode/cornerstone-wado-image-loader/src/imageLoader/getMinMax.js

Cornerstone ImageLoader for DICOM WADO-URI

export default function getMinMax (storedPixelData) {
  // we always calculate the min max values since they are not always
  // present in DICOM and we don't want to trust them anyway as cornerstone
  // depends on us providing reliable values for these
  let min = storedPixelData[0];
  let max = storedPixelData[0];
  let storedPixel;
  const numPixels = storedPixelData.length;

  for (let index = 0; index < numPixels; index++) {
    storedPixel = storedPixelData[index];
    min = Math.min(min, storedPixel);
    max = Math.max(max, storedPixel);
  }

  return {
    min,
    max
  };
}