Get dynamic page content with PhantomJS

getPageContent.js

const phantom = require('phantom');

/**
 * Acts like a web browser and gets page content (also from dynamic HTML pages).
 * @param {string} url - Page URL
 * @returns {Promise.<string, Error>} Resolves with the page content.
 */
module.exports = async function(url) {
  const instance = await phantom.create();
  const page = await instance.createPage();
  await page.on('onResourceRequested', () => {
  });

  await page.open(url);
  const content = await page.property('content');
  await instance.exit();
  return content;
};

Requires "node": ">= 7.6.0"

package.json

{
  "dependencies": {
    "phantom": "4.0.x"
  },
  "engineStrict": true,
  "engines": {
    "node": ">= 7.6.0"
  },
  ...
}