nightmare cwa capture

ss.js

const Nightmare = require('nightmare');
const path = require('path');

const USER_AGENT = 'Mozilla/5.0 (iPhone; CPU iPhone OS 9_1 like Mac OS X) AppleWebKit/601.1.46 (KHTML, like Gecko) Version/9.0 Mobile/13B143 Safari/601.1';
const VIEWPORT_WIDTH = 375;
const VIEWPORT_HEIGHT = 3000;

function run() {
  let nightmare = Nightmare({
    show: true,
    openDevTools: {
      mode: 'detach'
    },
    webPreferences: {
      preload: path.resolve('modules/simulator/LCSMockLite.js')
    }
  });
  return nightmare
    .useragent(USER_AGENT)
    .viewport(VIEWPORT_WIDTH, VIEWPORT_HEIGHT)
    .goto('https://ch-news.line-apps-beta.com/channel/')
    .evaluate(function() {      
      return {
        height: document.body.scrollHeight,
        width: document.body.scrollWidth
      }
    })
    .screenshot('public/ss/' + Date.now() + '.png')
    .end()
    .then(function (result) {
      console.log(result);
    })
    .catch(function (error) {
      console.error('Search failed:', error);
    });
}

module.exports = { run };