puppeteer-autoscroll-down

Small tool for puppeteer which scrolling page to bottom based on Body element

This package using window.scrollBy method for scrolling.

See https://developer.mozilla.org/en-US/docs/Web/API/Window/scrollBy

Install:

npm i puppeteer-autoscroll-down

or

yarn add puppeteer-autoscroll-down

Example:

const browser = await puppeteer.launch({ headless: false })
const page = await browser.newPage()
await page.setViewport({ width: 1366, height: 768 })

await page.goto('https://en.wikipedia.org/wiki/Main_Page')
const lastPosition = await scrollPageToBottom(page)
await page.screenshot({ path: path.normalize(`${__dirname}/example.png`) })

console.log(`lastPosition: ${lastPosition}`)

await browser.close()

You can use returned last scroll position and request/response hooks to handle async content uploading.

Scrolling options

scrollStep {Number} - Number of pixels to scroll on each step.

scrollDelay {Number} - A delay between each scroll step in ms.

const scrollStep = 250 // default
const scrollDelay = 100 // default
const lastPosition = await scrollPageToBottom(page, scrollStep, scrollDelay)

Changelog

0.1.4

• Fixed npm security alert. Upgraded vulnerable packages.