33 lines
1.1 KiB
TypeScript
33 lines
1.1 KiB
TypeScript
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import { renderToBuffer, renderToStream, type DocumentProps } from '@react-pdf/renderer';
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import type { ReactElement } from 'react';
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import { logger } from '@/lib/logger';
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type DocumentElement = ReactElement<DocumentProps>;
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/**
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* Render a react-pdf element tree to PDF bytes. Use for one-shot PDFs that
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* fit in memory comfortably (reports, record exports, parent-company exports).
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*
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* For photo-heavy or hundreds-of-entries PDFs, see `renderPdfStream` or use
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* `expense-pdf.service.ts` (pdfkit streaming).
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*/
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export async function renderPdf(element: DocumentElement): Promise<Buffer> {
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try {
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const buf = await renderToBuffer(element);
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return buf;
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} catch (err) {
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logger.error({ err }, 'PDF render failed');
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throw new Error('Failed to render PDF');
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}
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}
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/**
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* Stream-render a react-pdf element tree. Pages are emitted incrementally so
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* memory peaks are bounded. Caller should pipe the stream to the response
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* (or convert via `Readable.toWeb` for a Web Response).
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*/
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export async function renderPdfStream(element: DocumentElement): Promise<NodeJS.ReadableStream> {
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return renderToStream(element);
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}
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