README
screenshot-stream 
Capture screenshot of a website and return it as a stream
Install
$ npm install --save screenshot-stream
Usage
const fs = require('fs');
const screenshot = require('screenshot-stream');
const stream = screenshot('http://google.com', '1024x768', {crop: true});
stream.pipe(fs.createWriteStream('google.com-1024x768.png'));
API
screenshot(url, size, [options])
url
Type: string
Add page to capture.
size
Type: string
Set viewport size.
options
Type: Object
Define options to be used.
crop
Type: Boolean
Default: false
Crop to the set height.
delay
Type: number (seconds)
Default: 0
Delay capturing the screenshot. Useful when the site does things after load that you want to capture.
timeout
Type: number (seconds)
Default: 60
Number of seconds after which PhantomJS aborts the request.
selector
Type: string
Capture a specific DOM element.
css
Type: string
Apply custom CSS to the webpage. Specify some CSS or the path to a CSS file.
script
Type: string
Apply custom JavaScript to the webpage. Specify some JavaScript or the path to a file.
hide
Type: Array
Hide an array of DOM elements.
headers
Type: Object
Default: {}
Set custom headers.
cookies
Type: Array or Object
A string with the same format as a browser cookie or an object of what phantomjs.addCookie accepts.
username
Type: string
Username for authenticating with HTTP auth.
password
Type: string
Password for authenticating with HTTP auth.
format
Type: string
Default: png
Set format to render the image as. Supported formats are png and jpg.
scale
Type: number
Default: 1
Scale webpage n times.
userAgent
Type: string
Set a custom user agent.
transparent
Type: Boolean
Default: false
Set background color to transparent instead of white if no background is set.
.on('error', callback)
Type: Function
PhantomJS errors.
.on('warning', callback)
Type: Function
Warnings with for example page errors.
CLI
See the pageres CLI.
License
MIT © Kevin Mårtensson