c5764e4172
- Add favicon.ico to public directory for browser tab display - Update favicon references across all HTML pages with proper link tags for SVG, PNG, and ICO formats - Add Apple touch icon support for iOS devices - Create new repair-pdf.ts logic module for PDF repair functionality - Create new repair-pdf-page.ts utility module for page-level repair operations - Add repair-pdf.html page with UI for PDF repair tool - Register repair PDF tool in tools configuration and PDF tools registry - Update UI rendering utilities to support new repair tool - Improve favicon handling with multiple format fallbacks for cross-browser compatibility - Standardize favicon paths to use absolute URLs for consistency - Clean up whitespace and formatting in licensing.html for code consistency
47 lines
1.6 KiB
TypeScript
47 lines
1.6 KiB
TypeScript
import { showLoader, hideLoader, showAlert } from '../ui.js';
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import { downloadFile } from '../utils/helpers.js';
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import { state } from '../state.js';
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import { PDFDocument as PDFLibDocument } from 'pdf-lib';
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import JSZip from 'jszip';
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export async function reversePages() {
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const pdfDocs = state.files.filter(
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(file: File) => file.type === 'application/pdf'
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);
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if (!pdfDocs.length) {
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showAlert('Error', 'PDF not loaded.');
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return;
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}
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showLoader('Reversing page order...');
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try {
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const zip = new JSZip();
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for (let j = 0; j < pdfDocs.length; j++) {
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const file = pdfDocs[j];
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const arrayBuffer = await file.arrayBuffer();
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const pdfDoc = await PDFLibDocument.load(arrayBuffer, { ignoreEncryption: true, throwOnInvalidObject: false });
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const newPdf = await PDFLibDocument.create();
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const pageCount = pdfDoc.getPageCount();
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const reversedIndices = Array.from(
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{ length: pageCount },
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(_, i) => pageCount - 1 - i
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);
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const copiedPages = await newPdf.copyPages(pdfDoc, reversedIndices);
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copiedPages.forEach((page: any) => newPdf.addPage(page));
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const newPdfBytes = await newPdf.save();
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const originalName = file.name.replace(/\.pdf$/i, '');
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const fileName = `${originalName}_reversed.pdf`;
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zip.file(fileName, newPdfBytes);
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}
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const zipBlob = await zip.generateAsync({ type: 'blob' });
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downloadFile(zipBlob, 'reversed_pdfs.zip');
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} catch (e) {
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console.error(e);
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showAlert('Error', 'Could not reverse the PDF pages.');
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} finally {
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hideLoader();
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}
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}
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