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

} For reports >50MB, stream directly to response:

static async acquire(): Promise<Browser> if (this.instances.length < this.max) const browser = await puppeteer.launch( headless: true ); this.instances.push(browser); NestJs Reportes Genera PDFs desde Node Full -Mega-

res.setHeader('Content-Type', 'application/pdf'); res.setHeader('Content-Disposition', 'attachment; filename=large-report.pdf'); } For reports &gt;50MB, stream directly to response:

async onModuleInit() // Launch browser once (reuse across requests) this.browser = await puppeteer.launch( headless: true, args: ['--no-sandbox', '--disable-setuid-sandbox'], ); } For reports &gt

// Option 1: Download as file @Post('invoice') async generateInvoice(@Body() data: any, @Res() res: Response) const pdfBuffer = await this.pdfService.generateReport('invoice', data);

| Library | Use Case | Install | |---------|----------|---------| | puppeteer | Complex HTML/CSS/JS rendering (Chrome) | npm install puppeteer | | @react-pdf/renderer | React-style declarative PDFs | npm install @react-pdf/renderer | | pdfmake | Simple tables & text | npm install pdfmake | | wkhtmltopdf | Legacy HTML→PDF | (Requires OS binary) |