example.ts

import puppeteer from "puppeteer"
 
async function generatePdf(htmlContent) {
  const browser = await puppeteer.launch({ headless: true });
  const page = await browser.newPage();
  await page.setContent(htmlContent);
  const pdf = await page.pdf({ format: 'A4' });
  const pdfBuffer = await page.pdf();
  await page.close();
  await browser.close();

  return pdfBuffer;
})