interview excercise for node.js dev role

content-king.ts

import puppeteer from 'puppeteer'

const requestTimings = [] as {
  url: string
  startTime: number
}[]

async function run() {
  const browser = await puppeteer.launch({
    headless: false
    //executablePath: '/usr/bin/chromium-browser'
  })
  const page = await browser.newPage()
  await page.setRequestInterception(true)

  // capture background requests:
  page.on('request', (request) => {
    const url = request.url()
    if (url.startsWith('data:')) {
      request.continue()
      return
    }
    requestTimings.push({
      url,
      startTime: new Date().getTime()
    })
    request.continue()
  })
  // capture background responses:
  page.on('response', (response) => {
    const url = response.url()
    const endTime = new Date().getTime()
    const startTime = requestTimings.find((r) => r.url === url)?.startTime
    if (startTime) {
      console.log(url, endTime - startTime)
    }
  })

  
  // page.goto('https://www.conductor.com/careers/')
  // page.goto('https://www.google.com/')
  page.goto('https://www.conductor.com/careers/?location=brno')

  await page.waitForNetworkIdle({ idleTime: 5000 })

  const vacancyCard = 'VacancyCard_title__bpd9S'

  // get all vacancy card titles
  const vacancyTitles = await page.evaluate((vacancyCard) => {
    const titles = Array.from(document.getElementsByClassName(vacancyCard))
    return titles.map((title) => title.textContent)
  }, vacancyCard)

  console.log({
    vacancyTitles
  })

  await browser.close()
  console.log('done')
}

run()