From 6506c3d494a0f99fb21d5347bef989dc6c076d28 Mon Sep 17 00:00:00 2001
From: Jonathan Olson <jonathan.olson@colorado.edu>
Date: Mon, 18 Mar 2024 10:08:58 -0600
Subject: [PATCH] Forward yotta-specific query parameters to yotta, see
 https://github.com/phetsims/phetcommon/issues/66

---
 js/analytics/google-analytics.js | 31 +++++++++++++++++++------------
 1 file changed, 19 insertions(+), 12 deletions(-)

diff --git a/js/analytics/google-analytics.js b/js/analytics/google-analytics.js
index 593fe61..37930aa 100644
--- a/js/analytics/google-analytics.js
+++ b/js/analytics/google-analytics.js
@@ -69,18 +69,25 @@
       }
     }, true );
 
-    const pingParams = `${'pingver=3&' +
-                       'project='}${encodeURIComponent( phet.chipper.project )}&` +
-                       `brand=${encodeURIComponent( phet.chipper.brand )}&` +
-                       `version=${encodeURIComponent( phet.chipper.version )}&` +
-                       `locale=${encodeURIComponent( phet.chipper.locale )}&` +
-                       `buildTimestamp=${encodeURIComponent( phet.chipper.buildTimestamp )}&` +
-                       `domain=${encodeURIComponent( document.domain )}&` +
-                       `href=${encodeURIComponent( window.location.href )}&` +
-                       'type=html&' +
-                       `timestamp=${encodeURIComponent( Date.now() )}&` +
-                       `loadType=${encodeURIComponent( loadType )}&` +
-                       `ref=${encodeURIComponent( document.referrer )}`;
+    let pingParams = `${'pingver=3&' +
+      'project='}${encodeURIComponent( phet.chipper.project )}&` +
+      `brand=${encodeURIComponent( phet.chipper.brand )}&` +
+      `version=${encodeURIComponent( phet.chipper.version )}&` +
+      `locale=${encodeURIComponent( phet.chipper.locale )}&` +
+      `buildTimestamp=${encodeURIComponent( phet.chipper.buildTimestamp )}&` +
+      `domain=${encodeURIComponent( document.domain )}&` +
+      `href=${encodeURIComponent( window.location.href )}&` +
+      'type=html&' +
+      `timestamp=${encodeURIComponent( Date.now() )}&` +
+      `loadType=${encodeURIComponent( loadType )}&` +
+      `ref=${encodeURIComponent( document.referrer )}`;
+
+    // Forward yotta-specific query parameters, see https://github.com/phetsims/phetcommon/issues/66
+    for ( const [ key, value ] of new URLSearchParams( window.location.search ) ) {
+      if ( key.startsWith( 'yotta' ) ) {
+        pingParams += `&${encodeURIComponent( key )}=${encodeURIComponent( value )}`;
+      }
+    }
 
     function pingURL( url ) {
       const img = document.createElement( 'img' );