take snapshot of local html page w node-phantom-simple

snapshot.js

'use strict';

var driver = require('node-phantom-simple');
var phantomPath = require('phantomjs-prebuilt').path;

// YMMV
const snapshotTimeout = 15 * 1000;

function capture(indexPath, size, snapshotPath, cb) {
  driver.create({ path: phantomPath }, function (err, browser) {
    if (err) return cb(err);
    browser.createPage((err, page) => {
      if (err) return cb(err);

      page.set('viewportSize', {width: size.width, height: size.height});

      page.open('file://' + indexPath, (err, status) => {
        if (err) return cb(err);
        setTimeout(() => {
          page.render(snapshotPath, {}, cb);
        }, snapshotTimeout);
      });
    });
  });
}

module.exports = {
  capture
};