Printscreen NPM

printscreen.js

Easier website screenshots in Node.js

Features

uses phantom.js and node-phantom-simple
simple api

Install

npm install --save-dev printscreen

Usage

const printscreen = require('printscreen');

printscreen('http://google.com', {

  /*
   * Optional: Define a suitable viewport size
   */
  viewport: {
    width: 1650,
    height: 1060
  },

  /*
   * Optional: Define the time between the page being initiated and the printscreen taken
   */
  timeout: 1000,

  /*
   * Optional: Define the format of the printscreen taken (pdf|png|jpeg)
   */
  format: 'png',

  /*
   * Optional: Define the quality of the printscreen taken (0-100)
   */
  quality: 75,

  /*
   * Optional: Define a capture function which is injected into the webview before the printscreen is made
   * The returned output is available in the callback (see below)
   */
  capture: function () {

    var divs = document.querySelectorAll('div').length;

    return {
      divs: divs
    };
  }
}, (err, data) => {

  /*
   * Optional: Callback definition
   * data is the result returned from the capture method
   */
  require('fs').stat(data.file, (err, stats) =>
    console.log(`
      - There are ${data.output.divs} divs in this page.
      - Your screenshot is available at ${data.file} and is ${stats.size} bytes.
    `));
});