digitalmarketplace-govuk-frontend/digitalmarketplace/components/analytics/analytics.js

Digital Marketplace GOV.UK Frontend contains the code you need to start building a user interface for Digital Marketplace.

import stripPII from './pii'

// Stripped-down wrapper for Google Analytics, based on:
// https://github.com/alphagov/static/blob/master/doc/analytics.md
export function SetupAnalytics (config) {
  window.ga('create', config.trackingId, config.cookieDomain, { cookieExpires: config.expires * 24 * 60 * 60 })

  window.ga('set', 'anonymizeIp', config.anonymizeIp)
  window.ga('set', 'displayFeaturesTask', config.displayFeaturesTask)
  window.ga('set', 'transport', config.transport)
}

export function LoadGoogleAnalytics () { /* eslint-disable */
  // Copied from Google Analytics installation instructions
  /* jshint ignore:start */
  (function(i, s, o, g, r, a, m){ i['GoogleAnalyticsObject'] = r; i[r] = i[r] || function () {
    (i[r].q = i[r].q || []).push(arguments) }, i[r].l = 1 * new Date(); a = s.createElement(o),
    m = s.getElementsByTagName(o)[0]; a.async = 1; a.src = g; m.parentNode.insertBefore(a,m)
  })(window,document,'script','//www.google-analytics.com/analytics.js','ga')
  /* jshint ignore:end */
}

export function TrackPageview (path, title, options) {
  const page = (window.location.pathname + window.location.search)
  window.ga('send', 'pageview', stripPII(page))
}

// https://developers.google.com/analytics/devguides/collection/analyticsjs/events
export function TrackEvent (category, action, options) {
  options = options || {}

  var evt = {
    eventCategory: category,
    eventAction: action
  }

  if (options.label) {
    evt.eventLabel = options.label
    delete options.label
  }

  if (typeof options === 'object') {
    Object.assign(evt, options)
  }

  window.ga('send', 'event', stripPII(evt))
}

export function AddLinkedTrackerDomain (trackingId, name, domains) {
  window.ga('create', trackingId, 'auto', { name: name })

  // Load the plugin.
  window.ga('require', 'linker')
  window.ga(name + '.require', 'linker')

  // Define which domains to autoLink.
  window.ga('linker:autoLink', domains)
  window.ga(name + '.linker:autoLink', domains)

  window.ga(name + '.set', 'anonymizeIp', true)
  window.ga(name + '.set', 'location', stripPII(window.location.href))
  window.ga(name + '.send', 'pageview')
}