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refactor: extract zip logic and deps into ./utils

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DmitriyS 2025-09-18 18:27:21 +03:00
commit 3ba5af3b4a
2 changed files with 15 additions and 8 deletions
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12
src/pages/tools/pdf/pdf-to-png/service.ts
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@ -1,6 +1,6 @@
import * as pdfjsLib from 'pdfjs-dist';
import pdfjsWorker from 'pdfjs-dist/build/pdf.worker.min?url';
import JSZip from 'jszip';
import { zipFiles } from '@utils/zip';
pdfjsLib.GlobalWorkerOptions.workerSrc = pdfjsWorker;
@ -16,7 +16,6 @@ export async function convertPdfToPngImages(pdfFile: File): Promise<{
}> {
const arrayBuffer = await pdfFile.arrayBuffer();
const pdf = await pdfjsLib.getDocument({ data: arrayBuffer }).promise;
const zip = new JSZip();
const images: ImagePreview[] = [];
for (let i = 1; i <= pdf.numPages; i++) {
@ -37,14 +36,11 @@ export async function convertPdfToPngImages(pdfFile: File): Promise<{
const filename = `page-${i}.png`;
const url = URL.createObjectURL(blob);
images.push({ blob, url, filename });
zip.file(filename, blob);
}
const zipBuffer = await zip.generateAsync({ type: 'arraybuffer' });
const zipFile = new File(
[zipBuffer],
pdfFile.name.replace(/\.pdf$/i, '-pages.zip'),
{ type: 'application/zip' }
const zipFile = await zipFiles(
images.map(({ blob, filename }) => ({ blob, filename })),
pdfFile.name.replace(/\.pdf$/i, '-pages.zip')
);
return { images, zipFile };

11
src/utils/zip.ts Normal file
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@ -0,0 +1,11 @@
import JSZip from 'jszip';
export async function zipFiles(
blobs: { blob: Blob; filename: string }[],
zipFilename: string
): Promise<File> {
const zip = new JSZip();
blobs.forEach(({ blob, filename }) => zip.file(filename, blob));
const zipBuffer = await zip.generateAsync({ type: 'arraybuffer' });
return new File([zipBuffer], zipFilename, { type: 'application/zip' });
}