1 //from https://github.com/makinacorpus/django-screamshot

     2 

     3 const puppeteer = require('puppeteer');

     4 

     5 function delay(time) {

     6     return new Promise(function(resolve) { 

     7         setTimeout(resolve, time)

     8     });

     9  }

    10 

    11 /** 

    12  * arguments:

    13  * [1] => URL

    14  * [2] => output. Use /dev/stdout if you want to capture.

    15  * [3] => size

    16  */

    17 

    18 var address = process.argv[2],

    19     output  = process.argv[3];

    20 

    21 config = {}

    22 process.argv.forEach(function(arg, i) {

    23     if (i > 3) {

    24         namev = arg.split('=');

    25         config[namev[0].replace('--', '')] = namev[1];

    26     }

    27 });

    28 

    29 const width = parseInt(config.width || 1920),

    30       height = parseInt(config.height || 1080),

    31       wait = parseInt(config.wait || 1080);

    32 

    33 (async () => {

    34   const browser = await puppeteer.launch({

    35       defaultViewport: {width: width, height: height},

    36       ignoreHTTPSErrors: true,

    37   });

    38   const page = await browser.newPage();

    39   await page.goto(address, {waitUntil: 'domcontentloaded'});

    40   // Wait until page has loaded completely

    41   await delay(wait);

    42   // Make a screenshot

    43   await page.screenshot({path: output});

    44 

    45   await browser.close();

    46 })();