Puppeteer: Getting Started

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Puppeteer is an API library that allows controlling Chrome/Chromium to automate tasks like screenshot capturing, generating PDFs, e2e testing, crawling websites, and pre-rendering SPAs. It can be used to replace tools like PhantomJS, prerender.io, and Selenium. Puppeteer launches a Chromium instance in headless mode and controls it through code to perform automated tasks like taking screenshots, generating PDFs from websites, running e2e tests with frameworks like Jest, and crawling pages by extracting element content. It is maintained by Google and useful for tasks like pre-rendering React sites with react-snap.

Technology

Puppeteer:
Getting Started
이현섭 / GDG Korea WebTech Organizer

What is Puppeteer?
• Chrome / Chromium을 컨트롤 할 수 있는 API Library
• Chrome으로 할 수 있는 일을 자동화 할 수 있음
• e2e Testing
• SPA Prerendering
• Web Site Crawling
• Generating PDF
• Maintained by Google

Possibly replace..
• PhantomJS
• prerender.io
• Selenium driver
• Cheerio

https://github.com/smooth-code/jest-puppeteer

Prerendering: react-snap
• SPA를 위한 Prerenderer
• SEO / Meta Tag Pre-render
• React는 물론 Vue, Preact에도 사용가능
• 내부적으로 Puppeteer 사용

https://web.dev/prerender-with-react-snap/

https://github.com/hyunseob/puppeteer-getting-started

감사합니다.
mail@hyunseob.me
github.com/hyunseob
twitter.com/hyunseob_

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Puppeteer: Getting Started

1. Puppeteer: Getting Started 이현섭 / GDG Korea WebTech Organizer

3. What is Puppeteer? • Chrome / Chromium을 컨트롤 할 수 있는 API Library • Chrome으로 할 수 있는 일을 자동화 할 수 있음 • e2e Testing • SPA Prerendering • Web Site Crawling • Generating PDF • Maintained by Google

4. Possibly replace.. • PhantomJS • prerender.io • Selenium driver • Cheerio

5. Screenshot Example

7. Launch Chromium in headless mode

8. Open new tab

9. Set viewport size

10. Go to google.com

11. Capture screenshot

12. Close Chromium

13.

14. PDF Example

15.

16. Go to blog post page