Zeta Global Ssp Adapter: remove null values from payload (prebid#11092)

* ZetaGlobalSsp: remove null values from payload

* unit test

---------

Co-authored-by: Surovenko Alexey <surovenko.alexey@gmail.com>
Co-authored-by: Alexey Surovenko <ASurovenko@vdhk6ddf9m.home>

modules/zeta_global_sspBidAdapter.js

@@ -381,6 +381,10 @@ function provideMediaType(zetaBid, bid, bidRequest) {
 
 function clearEmpties(o) {
  for (let k in o) {
+ if (o[k] === null) {
+ delete o[k];
+ continue;
+ }
  if (!o[k] || typeof o[k] !== 'object') {
  continue;
  }

test/spec/modules/zeta_global_sspBidAdapter_spec.js

@@ -49,6 +49,12 @@ describe('Zeta Ssp Bid Adapter', function () {
  },
  tags: {
  someTag: 444,
+ emptyTag: {},
+ nullTag: null,
+ complexEmptyTag: {
+ empty: {},
+ nullValue: null
+ }
  },
  sid: 'publisherId',
  tagid: 'test_tag_id',
@@ -657,4 +663,15 @@ describe('Zeta Ssp Bid Adapter', function () {
  expect(payload.device.w).to.not.be.undefined;
  expect(payload.device.h).to.not.be.undefined;
  });
+
+ it('Test that all empties are removed', function () {
+ const request = spec.buildRequests(bannerRequest, bannerRequest[0]);
+ const payload = JSON.parse(request.data);
+
+ expect(payload.ext.tags.someTag).to.eql(444);
+
+ expect(payload.ext.tags.emptyTag).to.be.undefined;
+ expect(payload.ext.tags.nullTag).to.be.undefined;
+ expect(payload.ext.tags.complexEmptyTag).to.be.undefined;
+ });
 });