Add identify back in

Author: mlr

src/js/04-segment-analytics.js

@@ -147,6 +147,10 @@
 
   // Track page view on initial load once analytics is ready
   waitForAnalytics(() => {
+    // Identify user with anonymous ID before tracking page
+    if (window.SEGMENT_COMMON_PROPERTIES && window.SEGMENT_COMMON_PROPERTIES.userId) {
+      window.analytics.identify(window.SEGMENT_COMMON_PROPERTIES.userId)
+    }
     trackPage()
   })