screenshots_parallel.js

/**
 * @name Screenshots parallel pages
 *
 * @desc Allow parallel processing screenshot
 */

const puppeteer = require('puppeteer')
const parallel = 5;

(async () => {
  puppeteer.launch().then(async browser => {
    const promises = []
    for (let i = 0; i < parallel; i++) {
      console.log('Page ID Spawned', i)
      promises.push(browser.newPage().then(async page => {
        await page.setViewport({ width: 1280, height: 800 })
        await page.goto('https://en.wikipedia.org/wiki/' + i)
        await page.screenshot({ path: 'wikipedia_' + i + '.png' })
      }))
    }
    await Promise.all(promises)
    await browser.close()
  })
})()