Nestjs Reportes Genera Pdfs Desde Node Full -mega- Review

npm install @nestjs/core @nestjs/common puppeteer handlebars @types/puppeteer Create a dedicated module:

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-

// Option 2: Inline preview @Post('preview') async previewReport(@Body() data: any, @Res() res: Response) const pdfBuffer = await this.pdfService.generateReport('dashboard', data); res.set( 'Content-Type': 'application/pdf' ); res.send(pdfBuffer); // Opens in browser if (this.instances.length &lt

(in main.ts or before use):

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, ); res.set( 'Content-Type': 'application/pdf' )