Function hasMaskFiles

src/utils/imageFileUtils.ts:58–65

(files: Map<string, File>)

 * Used to determine whether to show mask overlay controls.
 */
export function hasMaskFiles(files: Map<string, File>): boolean {
  for (const path of files.keys()) {
    if (isMaskImagePath(path)) {
      return true;
    }
  }
  return false;
}

/**
 * Collect image files from a file map and create a lookup map.