Function exportImagesZip

src/parsers/imageZipExport.ts:42–83

(
  imageNames: string[],
  fetchImage: ImageFetchFunction,
  options: ImageZipExportOptions,
  onProgress?: ImageZipProgressCallback
)

}

export async function exportImagesZip(
  imageNames: string[],
  fetchImage: ImageFetchFunction,
  options: ImageZipExportOptions,
  onProgress?: ImageZipProgressCallback
): Promise<Blob> {
  const { zipSync } = await import('fflate');

  const totalImages = imageNames.length;
  const zipData: Record<string, Uint8Array> = {};
  let processed = 0;
  let failed = 0;

  for (const imageName of imageNames) {
    try {
      const file = await fetchImage(imageName);
      if (!file) {
        failed++;
        processed++;
        onProgress?.(Math.round((processed / totalImages) * 100), `Skipped: ${imageName}`);
        continue;
      }

      const jpegBlob = await convertToJpeg(file, options.jpegQuality);
      const arrayBuffer = await jpegBlob.arrayBuffer();
      zipData[toJpegZipPath(imageName)] = new Uint8Array(arrayBuffer);
    } catch (err) {
      appLogger.warn(`[Image Export] Failed to process ${imageName}:`, err);
      failed++;
    }

    processed++;
    onProgress?.(Math.round((processed / totalImages) * 100));
  }

  if (failed > 0) {
    appLogger.warn(`[Image Export] ${failed}/${totalImages} images failed to export`);
  }

  const zipped = zipSync(zipData, { level: 6 });
  return createZipBlob(zipped);
}

export async function downloadImagesZip(
  imageNames: string[],