Puppeteer (Headless Chrome Node API)-based rendering solution.
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cheeaun Fix everything
- Downgrade puppeteer because has bug with intercepting requests
- Downgrade jimp because has a git: sub dependency
- Remove yarn.lock
- Make docker instance work under 100MB for Now
Latest commit 5e54609 Aug 24, 2018

README.md

Puppetron

Puppeteer (Headless Chrome Node API)-based rendering solution.

Videos & Tweets:

⚠️⚠️⚠️ NOTE: Starting version 2.0, CJK and emoji support is gone.

🚧🚧🚧 PLEASE READ THIS 🚧🚧🚧

Do NOT use this for production use-cases.

This is just a demo site of what cool things that Puppeteer can do. Under any circumstances, this site may be down any time or be heavily rate-limited to prevent abuse.

Please check out what Puppeteer can do for your own use case and host on your own servers.

API

The API can perform 3 actions:

  • Screenshot - take a screenshot of the web page
  • Render - render and serialize a HTML copy of the web page
  • PDF - generate a PDF of the web page

URL - the URL with encoded pathname, search and hash.

Global parameters:

  • width - width of viewport/screenshot (default: 1024)
  • height - height of viewport/screenshot (default: 768)

Screenshot

/screenshot/{URL}
...or
/{URL}

Parameters:

  • thumbWidth - width of thumbnail, respecting aspect ratio (no default, has to be smaller than width)
  • fullPage - takes a screenshot of the full scrollable page (default: false). If the page is too long, it may time out.
  • clipSelector - CSS selector of element to be clipped (no default). E.g.: .weather-forecast.

Render

/render/{URL}

Notes:

  • script tags except JSON-LD will be removed
  • link[rel=import] tags will be removed
  • HTML comments will be removed
  • base tag will be added for loading relative resources
  • Elements with absolute paths like src="/xxx" or href="/xxx" will be prepended with the origin URL.

Parameters: None

PDF

/pdf/{URL}

Parameters:

  • format: Paper format that Puppeteer supports. E.g.: Letter, Legal, A4, etc. (default: Letter)
  • pageRanges: Paper ranges to print. E.g., 1-5, 8, 11-13 (default all pages)

Development

Requirements

  • Node.js
  • Docker

For local Chromium install:

  1. npm install
  2. npm start
  3. Load localhost:3000

For Docker-based install:

  1. docker build . -t puppet
  2. docker run -p 8080:3000 puppet
  3. Load localhost:8080

Deploy to now

Credits

Block list from Prerender.

For version 1.0, this uses cheeaun/puppeteer Docker image.

For version 2.0, this uses some parts from Zeit's now-examples: misc-screenshot.

Inspired by zenato/puppeteer, puppeteer-renderer and Rendertron.