Do not load external js if renderer defined on adUnit

modules/appnexusBidAdapter.js

@@ -211,6 +211,7 @@ function newRenderer(adUnitCode, rtbBid, rendererOptions = {}) {
     url: rtbBid.renderer_url,
     config: rendererOptions,
     loaded: false,
+    adUnitCode
   });
 
   try {
@@ -238,6 +239,7 @@ function newRenderer(adUnitCode, rtbBid, rendererOptions = {}) {
  * @return Bid
  */
 function newBid(serverBid, rtbBid, bidderRequest) {
+  const bidRequest = utils.getBidRequest(serverBid.uuid, [bidderRequest]);
   const bid = {
     requestId: serverBid.uuid,
     cpm: rtbBid.cpm,
@@ -246,6 +248,7 @@ function newBid(serverBid, rtbBid, bidderRequest) {
     currency: 'USD',
     netRevenue: true,
     ttl: 300,
+    adUnitCode: bidRequest.adUnitCode,
     appnexus: {
       buyerMemberId: rtbBid.buyer_member_id,
       dealPriority: rtbBid.deal_priority,

src/Renderer.js

@@ -1,5 +1,6 @@
 import { loadScript } from './adloader';
 import * as utils from './utils';
+import find from 'core-js/library/fn/array/find';
 
 /**
  * @typedef {object} Renderer
@@ -10,7 +11,7 @@ import * as utils from './utils';
  */
 
 export function Renderer(options) {
-  const { url, config, id, callback, loaded } = options;
+  const { url, config, id, callback, loaded, adUnitCode } = options;
   this.url = url;
   this.config = config;
   this.handlers = {};
@@ -35,12 +36,16 @@ export function Renderer(options) {
     this.process();
   });
 
-  // we expect to load a renderer url once only so cache the request to load script
-  loadScript(url, this.callback, true);
+  if (!isRendererDefinedOnAdUnit(adUnitCode)) {
+    // we expect to load a renderer url once only so cache the request to load script
+    loadScript(url, this.callback, true);
+  } else {
+    utils.logWarn(`External Js not loaded by Renderer since renderer url and callback is already defined on adUnit ${adUnitCode}`);
+  }
 }
 
-Renderer.install = function({ url, config, id, callback, loaded }) {
-  return new Renderer({ url, config, id, callback, loaded });
+Renderer.install = function({ url, config, id, callback, loaded, adUnitCode }) {
+  return new Renderer({ url, config, id, callback, loaded, adUnitCode });
 };
 
 Renderer.prototype.getConfig = function() {
@@ -94,3 +99,11 @@ export function isRendererRequired(renderer) {
 export function executeRenderer(renderer, bid) {
   renderer.render(bid);
 }
+
+function isRendererDefinedOnAdUnit(adUnitCode) {
+  const adUnits = $$PREBID_GLOBAL$$.adUnits;
+  const adUnit = find(adUnits, adUnit => {
+    return adUnit.code === adUnitCode;
+  });
+  return !!(adUnit && adUnit.renderer && adUnit.renderer.url && adUnit.renderer.render);
+}

test/spec/modules/appnexusBidAdapter_spec.js

@@ -463,12 +463,18 @@ describe('AppNexusAdapter', function () {
           'currency': 'USD',
           'ttl': 300,
           'netRevenue': true,
+          'adUnitCode': 'code',
           'appnexus': {
             'buyerMemberId': 958
           }
         }
       ];
-      let bidderRequest;
+      let bidderRequest = {
+        bids: [{
+          bidId: '3db3773286ee59',
+          adUnitCode: 'code'
+        }]
+      }
       let result = spec.interpretResponse({ body: response }, {bidderRequest});
       expect(Object.keys(result[0])).to.have.members(Object.keys(expectedResponse[0]));
     });
@@ -505,7 +511,12 @@ describe('AppNexusAdapter', function () {
           }]
         }]
       };
-      let bidderRequest;
+      let bidderRequest = {
+        bids: [{
+          bidId: '84ab500420319d',
+          adUnitCode: 'code'
+        }]
+      }
 
       let result = spec.interpretResponse({ body: response }, {bidderRequest});
       expect(result[0]).to.have.property('vastUrl');
@@ -538,7 +549,12 @@ describe('AppNexusAdapter', function () {
         },
         'impression_trackers': ['http://example.com'],
       };
-      let bidderRequest;
+      let bidderRequest = {
+        bids: [{
+          bidId: '3db3773286ee59',
+          adUnitCode: 'code'
+        }]
+      }
 
       let result = spec.interpretResponse({ body: response1 }, {bidderRequest});
       expect(result[0].native.title).to.equal('Native Creative');
@@ -554,6 +570,7 @@ describe('AppNexusAdapter', function () {
 
       const bidderRequest = {
         bids: [{
+          bidId: '3db3773286ee59',
           renderer: {
             options: {
               adText: 'configured'
@@ -573,7 +590,12 @@ describe('AppNexusAdapter', function () {
       responseWithDeal.tags[0].ads[0].deal_priority = 'high';
       responseWithDeal.tags[0].ads[0].deal_code = '123';
 
-      let bidderRequest;
+      let bidderRequest = {
+        bids: [{
+          bidId: '3db3773286ee59',
+          adUnitCode: 'code'
+        }]
+      }
       let result = spec.interpretResponse({ body: responseWithDeal }, {bidderRequest});
       expect(Object.keys(result[0].appnexus)).to.include.members(['buyerMemberId', 'dealPriority', 'dealCode']);
     });