karma.conf.js

/* eslint-env node */
/* eslint no-process-env: 0 */

const path = require('path')
const ip = require('ip')
const {
  browsers,
  browsersKeys
} = require('./browsers')

const jqueryFile = process.env.USE_OLD_JQUERY ? 'https://code.jquery.com/jquery-1.9.1.min.js' : 'node_modules/jquery/dist/jquery.slim.min.js'
const bundle = process.env.BUNDLE === 'true'
const browserStack = process.env.BROWSER === 'true'

const frameworks = [
  'qunit',
  'sinon'
]

const plugins = [
  'karma-qunit',
  'karma-sinon'
]

const reporters = ['dots']

const detectBrowsers = {
  usePhantomJS: false,
  postDetection(availableBrowser) {
    if (typeof process.env.TRAVIS_JOB_ID !== 'undefined' || availableBrowser.includes('Chrome')) {
      return ['ChromeHeadless']
    }

    if (availableBrowser.includes('Firefox')) {
      return ['FirefoxHeadless']
    }

    throw new Error('Please install Firefox or Chrome')
  }
}

const customLaunchers = {
  FirefoxHeadless: {
    base: 'Firefox',
    flags: ['-headless']
  }
}

let files = [
  'node_modules/popper.js/dist/umd/popper.min.js',
  'node_modules/hammer-simulator/index.js'
]

const conf = {
  basePath: '../..',
  port: 9876,
  colors: true,
  autoWatch: false,
  singleRun: true,
  concurrency: Infinity,
  client: {
    qunit: {
      showUI: true
    }
  }
}

if (bundle) {
  frameworks.push('detectBrowsers')
  plugins.push(