Web Scraping With Node.js & Puppeteer 2

puppeteer.js

const puppeteer = require('puppeteer');
const fs = require('fs')

async function main() {
  const browser = await puppeteer.launch();
  const page = await browser.newPage();
  
  await page.goto('https://some-website.com');
  
  // Return an array of all the link text and assign it to sideBarLinks
  const sidebarLinks = await page.evaluate(() => {
    const links = document.querySelectorAll('ul.sidebar li a');
    return Array.from(links).map(a => a.innerText().trim());
  });
  
  // You could use the synchronous or asychronous writeFile methods. Up to you.
  fs.writeFileSync('./sidebar-links.json', JSON.stringify(sidebarLinks));
  
  await browser.close()
}

main();