Add Scarf Pixel with cookie consent to script bundle (#334)

Co-authored-by: Mark Woulfe <[email protected]>

Author: ereckers

src/js/31-scarf-pixel.js

@@ -0,0 +1,10 @@
+// This script is used to load a pixel for Scarf analytics, but only if the user has accepted marketing cookies
+window.addEventListener('CookiebotOnAccept', function () {
+  if (Cookiebot.consent.marketing) {
+    var img = document.createElement('img')
+    img.src = 'https://static.neo4j.com/a.png?x-pxid=dae9b690-6a56-4889-a951-9d0207a18da6'
+    img.referrerPolicy = 'no-referrer-when-downgrade'
+    img.style.display = 'none'
+    document.body.appendChild(img)
+  }
+}, false)

src/js/site.js

@@ -19,6 +19,7 @@ import './24-graphacademy-certification'
 import './23-yelp-agreement'
 import './25-graphgist'
 // import './30-personalisation'
+import './31-scarf-pixel'
 import './40-challenges'
 import './50-cheat-sheet-toggle'
 import './60-docs-roles'