ElectronicBabylonianLiterature/ebl-frontend

// See: https://github.com/GoogleChrome/lighthouse/blob/master/docs/readme.md#using-programmatically
const lighthouse = require('lighthouse')
const chromeLauncher = require('chrome-launcher')
const log = require('lighthouse-logger')

function launchChromeAndRunLighthouse (url, flags, config = null) {
  return chromeLauncher.launch({ chromeFlags: flags.chromeFlags }).then(chrome =>
    lighthouse(url, { ...flags, port: chrome.port }, config)
      .then(results => chrome.kill().then(() => results.lhr))
  )
}

const flags = {
  chromeFlags: ['--show-paint-rects'],
  logLevel: 'info'
}
log.setLevel(flags.logLevel)

launchChromeAndRunLighthouse(process.argv[2], flags).then(results => {
  const errors = results.audits['errors-in-console'].details.items
  if (errors.length === 0) {
    process.exit(0)
  } else {
    console.log(errors)
    process.exit(1)
  }
}).catch(error => {
  console.error(error)
  process.exit(1)
})