screenshot-phantom

Websites screenshots timer in Node.js

中文README

Features

• uses phantom.js
• Screenshot output picture files
• Multiple screenshots at the same time
• simple api

Sketch

Regularly perform a screenshot task, the whole process of a task is: open the page => wait for resources to load => screenshots => close page => open the next page (if the screen at the same time multiple sites) ... ...

Install

npm install --save screenshot-phantom

Usage

const screenshot = require('screenshot-phantom');

screenshot({

  /*
   * Required: An array consist of websites
   */
  urls: [
    'http://google.com',
    'https://www.npmjs.com/'
  ],

  /*
   * Optional: Set the rule of screenshots timing
   * Convenient options: 'everyMinute' | 'everyHour' | 'everyDay' | 'everyWeek' | 'everyMonth'
   * or use the other options of package "node-schedule", such as '0 * * * * *' (see the "Links" for more details)
   */
  rule: 'everyMinute',

  /*
   * Optional: Set the viewport width of screenshots
   */
  width: 1024,

  /*
   * Optional: Set the viewport height of screenshots
   */
  height: 768,

  /*
   * Optional: Set the screenshots format (pdf|png|jpeg)
   */
  format: 'jpeg',

  /*
   * Optional: Set the time delay of screenshot after page loaded
   */
  timeout: 15000,

  /*
   * Optional: Set the quality of the screenshots (0-100)
   */
  quality: 75,

  /*
   * Optional: An array consist of screenshots files' prefix names that match the urls array by index, which means these two arrays have the same length
   */
  picNamePrefix: [...urls],

  /*
   * Optional: Define the path of the output screenshots
   */
  pathName: './pictures/'
});

Example 1

const screenshot = require('screenshot-phantom');

screenshot({

  urls: [
    'http://google.com',
    'http://www.bing.com/'
  ]

});

or

const screenshot = require('screenshot-phantom');
const schedule = require('node-schedule');
const rule = new schedule.RecurrenceRule();
rule.second = 0;

screenshot({

  urls: [
    'http://google.com',
    'http://www.bing.com/'
  ],
  rule

});

or

const screenshot = require('screenshot-phantom');
const rule = '0 * * * * *';

screenshot({

  urls: [
    'http://google.com',
    'http://www.bing.com//'
  ],
  rule

});

The same result：

Example 2

const screenshot = require('screenshot-phantom');
const rule = '0 * * * * *';

screenshot({

  urls: [
    'http://google.com',
    'http://www.bing.com/'
  ],
  picNamePrefix: [
    'Rose',
    'Jack'
  ]
  
});

Result：

Demo

$ npm demo

Links

https://github.com/node-schedule/node-schedule

Contributing

Contributions welcome.

Author

Jerome https://github.com/lvjinpeng0