Triplelift Adapter: Update referrer logic (#9304)

* prioritize topmostlocation

* adds test for topmostlocation / referrer

* cleanup

* delete param after test

* TL-32803: Update referrer logic

* TL-32803: Update referrer logic

Co-authored-by: Nick Llerandi <nllerandi@triplelift.com>
Co-authored-by: nllerandi3lift <75995508+nllerandi3lift@users.noreply.github.com>

modules/tripleliftBidAdapter.js

@@ -29,7 +29,7 @@ export const tripleliftAdapterSpec = {
     tlCall = tryAppendQueryString(tlCall, 'v', '$prebid.version$');
 
     if (bidderRequest && bidderRequest.refererInfo) {
-      let referrer = bidderRequest?.refererInfo?.topmostLocation || bidderRequest?.refererInfo?.page;
+      let referrer = bidderRequest.refererInfo.page;
       tlCall = tryAppendQueryString(tlCall, 'referrer', referrer);
     }
 

test/spec/modules/tripleliftBidAdapter_spec.js

@@ -979,19 +979,12 @@ describe('triplelift adapter', function () {
       expect(url).to.match(new RegExp('(?:' + prebid.version + ')'))
       expect(url).to.match(/(?:referrer)/);
     });
-    it('should prioritize topmostLocation for referrer', function () {
-      bidderRequest.refererInfo.topmostLocation = 'https://topmostlocation.com?foo=bar'
+    it('should use refererInfo.page for referrer', function () {
+      bidderRequest.refererInfo.page = 'https://topmostlocation.com?foo=bar'
       const request = tripleliftAdapterSpec.buildRequests(bidRequests, bidderRequest);
       const url = request.url;
       expect(url).to.match(/(\?|&)referrer=https%3A%2F%2Ftopmostlocation.com%3Ffoo%3Dbar/);
-      delete bidderRequest.refererInfo.topmostLocation
-    });
-    it('should fall back to page for referrer if topmostLocation is unavailable', function () {
-      bidderRequest.refererInfo.topmostLocation = null
-      const request = tripleliftAdapterSpec.buildRequests(bidRequests, bidderRequest);
-      const url = request.url;
-      expect(url).to.match(/(\?|&)referrer=https%3A%2F%2Fexamplereferer.com/);
-      delete bidderRequest.refererInfo.topmostLocation
+      delete bidderRequest.refererInfo.page
     });
     it('should return us_privacy param when CCPA info is available', function() {
       bidderRequest.uspConsent = '1YYY';