20 lines
765 B
TypeScript
20 lines
765 B
TypeScript
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import { PDFDocument } from 'pdf-lib';
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import { PdfFile, RepresentationType } from '../wrappers/PdfFile';
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export type MergeParamsType = {
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files: PdfFile[];
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}
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export async function mergePDFs(params: MergeParamsType): Promise<PdfFile> {
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const mergedPdf = await PDFDocument.create();
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for (let i = 0; i < params.files.length; i++) {
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const pdfToMerge = await params.files[i].pdfLibDocument;
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const copiedPages = await mergedPdf.copyPages(pdfToMerge, pdfToMerge.getPageIndices());
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copiedPages.forEach((page) => mergedPdf.addPage(page));
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}
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const newName = "("+params.files.map(input => input.filename).join("_and_") + ")_merged"
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return new PdfFile("mergedPDF", mergedPdf, RepresentationType.PDFLibDocument, newName);
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}; |