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28 lines
880 B
TypeScript
28 lines
880 B
TypeScript
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import { PDFDocument } from 'pdf-lib';
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import { createSubDocument } from "./createSubDocument.js";
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export async function splitPDF(snapshot: string | Uint8Array | ArrayBuffer, splitAfterPageArray: number[]): Promise<Uint8Array[]> {
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const pdfDoc = await PDFDocument.load(snapshot)
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const numberOfPages = pdfDoc.getPages().length;
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let pagesArray = [];
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let splitAfter = splitAfterPageArray.shift();
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const subDocuments = [];
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for (let i = 0; i < numberOfPages; i++) {
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if(splitAfter && i > splitAfter && pagesArray.length > 0) {
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subDocuments.push(await createSubDocument(pdfDoc, pagesArray));
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splitAfter = splitAfterPageArray.shift();
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pagesArray = [];
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}
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pagesArray.push(i);
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}
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subDocuments.push(await createSubDocument(pdfDoc, pagesArray));
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pagesArray = [];
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return subDocuments;
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}; |