22 lines
723 B
TypeScript
22 lines
723 B
TypeScript
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import { PDFDocument } from 'pdf-lib';
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import { PdfFile, convertAllToPdfLibFile, fromPdfLib } 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 pdfLibFiles = await convertAllToPdfLibFile(params.files);
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const mergedPdf = await PDFDocument.create();
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for (let i = 0; i < pdfLibFiles.length; i++) {
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const pdfToMerge = await pdfLibFiles[i].getAsPdfLib();
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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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return fromPdfLib(mergedPdf, params.files[0].filename);
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}; |