Stirling-PDF/functions/scalePage.js

31 lines
659 B
JavaScript

import { PDFDocument, ParseSpeeds } from 'pdf-lib'
export const scalePage = async (snapshot, page_size) => {
// Load the original PDF file
const pdfDoc = await PDFDocument.load(snapshot, {
parseSpeed: ParseSpeeds.Fastest,
});
const new_size = page_size;
const pages = pdfDoc.getPages();
pages.forEach(page => {
// Change page size
page.setSize(new_size.width, new_size.height);
});
// Serialize the modified document
return pdfDoc.save();
};
export const PageSize = {
a4: {
width: 594.96,
height: 841.92
},
letter: {
width: 612,
height: 792
}
};