Nestjs Reportes Genera Pdfs Desde Node Full -mega- May 2026

(covers 95% of real-world needs).

<div class="total">Grand Total: $total</div> </body> </html>

async streamLargeReport(res: Response, data: any) const page = await this.browser.newPage(); await page.setContent(await this.renderHtml(data)); const stream = await page.createPDFStream( format: 'A4', printBackground: true, ); NestJs Reportes Genera PDFs desde Node Full -Mega-

async generateReport(templateName: string, data: any): Promise<Buffer> try // 1. Load HTML template const templatePath = join(process.cwd(), 'templates', $templateName.hbs ); const htmlTemplate = await fs.readFile(templatePath, 'utf-8');

npm install @nestjs/core @nestjs/common puppeteer handlebars @types/puppeteer Create a dedicated module: (covers 95% of real-world needs)

await page.close(); return Buffer.from(pdf); catch (error) this.logger.error(`PDF generation failed: $error.message`); throw new Error('Could not generate PDF');

stream.pipe(res);

handlebars.registerHelper('multiply', (a, b) => a * b); // pdf.controller.ts import Controller, Post, Body, Res, Get, Query from '@nestjs/common'; import Response from 'express'; import PdfService from './pdf.service'; @Controller('reports') export class PdfController { constructor(private readonly pdfService: PdfService) {}