karma-nightmare/lib/browser.js

A Karma plugin. Launcher for Nightmare

const path = require('path');
const file = path.join(__dirname, 'custom-script.js');
const options = JSON.parse(process.argv[3]);
const webPreferences = Object.assign(
  options.webPreferences || {},
  {
    preload: file,
    nodeIntegration: true,
  }
);

const nightmare = require('nightmare')(
  Object.assign({
    width: 800,
    height: 600,
  }, options || {}, {
      waitTimeout: 1000000000,
      webPreferences
    })
);

nightmare
  .goto(process.argv[2])
  .wait('#browsers')
  .evaluate((options) => {
    const __nightmare = window.__nightmare;
    __nightmare.skipScreenshot = options.skipScreenshot;
    __nightmare.skipCaptureHtml = options.skipCaptureHtml;
    document.querySelector('html').style.backgroundColor = '#fff';
    document.querySelector('#banner').style.display = 'none';
    document.querySelector('#browsers').style.display = 'none';
  }, options)
  .wait('#context')
  .evaluate((options) => {
    const iframe = (window.parent ? window.parent.document : document).querySelector('iframe');
    if (iframe) {
      iframe.onload = function () {
        iframe.contentWindow.require = require;
      }
    } else {
      window.require = require;
    }
  }, options)
  .wait(() => null)
  .end()
  .catch((error) => console.error(error));