photoswipe-deep-zoom-plugin/src/util.js

A plugin that adds tile-based zoom support to PhotoSwipe. Supports Deepzoom and Zoomify tile formats.

export function getTileKey(x, y, z) {
  return x + '_' + y + '_' + z;
}

export function slideIsTiled(slide) {
  if (slide.data.tileUrl) {
    return true;
  }
  return false;
}