Puppeteer script that navigates to amazon and adds Nyan cat hoodie to cart

floodrunner_puppeteer_amazon_cart.js

/**
 * @name Amazon shopping cart flow
 *
 * @desc Searches for a "nyan cat pullover" on amazon.com and then adds it to user's cart
 */
const puppeteer = require('puppeteer')

try {
  (async () => {
    // # 1
    const browser = await puppeteer.launch({
      headless: false, //show browser for debugging purposes
      slowMo: 100, //slowdown interactions by 100 ms
      args: [
        '--window-size=1920,1080',
      ],
    })
    const page = await browser.newPage()

    await page._client.send('Emulation.clearDeviceMetricsOverride');

    await page.goto('https://www.amazon.com') //  # 2

    await page.type('#twotabsearchtextbox', 'nyan cat pullover') // # 3
    await page.click('input.nav-input')

    await page.waitForSelector('.s-result-list') // # 4

    await page.screenshot({
      path: 'amazon_nyan_cat_pullovers_list.png' //  # 5
    });

    const pullovers = await page.$$('a.a-link-normal.a-text-normal') // # 6
    const navigationPromise = page.waitForNavigation()
    await pullovers[1].click();
    await navigationPromise

    await page.select('#native_dropdown_selected_size_name', '0,B07H7GTHZN') // # 7

    await page.waitFor(1000) //  # 8

    await page.click('#add-to-cart-button') //  # 9

    await navigationPromise

    await page.screenshot({
      path: 'amazon_cart.png' //  # 10
    });

    await page.waitFor(5000)

    await browser.close() // # 11
  })()
} catch (err) {
  console.error(err)
}