LiveIntent UserId module: Backport index id support

modules/liveIntentIdSystem.js

@@ -204,6 +204,10 @@ export const liveIntentIdSubmodule = {
         result.magnite = { 'id': value.magnite }
       }
 
+      if (value.index) {
+        result.index = { 'id': value.index }
+      }
+
       return result
     }
 

modules/userId/eids.js

@@ -179,6 +179,20 @@ export const USER_IDS_CONFIG = {
     }
   },
 
+  // indexexchange
+  'index': {
+    source: 'liveintent.indexexchange.com',
+    atype: 3,
+    getValue: function(data) {
+      return data.id;
+    },
+    getUidExt: function(data) {
+      if (data.ext) {
+        return data.ext;
+      }
+    }
+  },
+
   // britepoolId
   'britepoolid': {
     source: 'britepool.com',

modules/userId/eids.md

@@ -114,6 +114,14 @@ userIdAsEids = [
         }]
     },
 
+    {
+        source: 'liveintent.indexexchange.com',
+        uids: [{
+            id: 'some-random-id-value',
+            atype: 3
+        }]
+    },
+
     {
         source: 'media.net',
         uids: [{

test/spec/modules/eids_spec.js

@@ -231,6 +231,39 @@ describe('eids array generation for known sub-modules', function() {
     });
   });
 
+  it('index', function() {
+    const userId = {
+      index: {'id': 'sample_id'}
+    };
+    const newEids = createEidsArray(userId);
+    expect(newEids.length).to.equal(1);
+    expect(newEids[0]).to.deep.equal({
+      source: 'liveintent.indexexchange.com',
+      uids: [{
+        id: 'sample_id',
+        atype: 3
+      }]
+    });
+  });
+
+  it('magnite with ext', function() {
+    const userId = {
+      index: {'id': 'sample_id', 'ext': {'provider': 'some.provider.com'}}
+    };
+    const newEids = createEidsArray(userId);
+    expect(newEids.length).to.equal(1);
+    expect(newEids[0]).to.deep.equal({
+      source: 'liveintent.indexexchange.com',
+      uids: [{
+        id: 'sample_id',
+        atype: 3,
+        ext: {
+          provider: 'some.provider.com'
+        }
+      }]
+    });
+  });
+
   it('britepoolId', function() {
     const userId = {
       britepoolid: 'some-random-id-value'

test/spec/modules/liveIntentIdMinimalSystem_spec.js

@@ -256,6 +256,11 @@ describe('LiveIntentMinimalId', function() {
     expect(result).to.eql({'lipb': {'lipbid': 'foo', 'nonId': 'foo', 'magnite': 'bar'}, 'magnite': {'id': 'bar'}});
   });
 
+  it('should decode an index id to a seperate object when present', function() {
+    const result = liveIntentIdSubmodule.decode({ nonId: 'foo', index: 'bar' });
+    expect(result).to.eql({'lipb': {'lipbid': 'foo', 'nonId': 'foo', 'index': 'bar'}, 'index': {'id': 'bar'}});
+  });
+
   it('should allow disabling nonId resolution', function() {
     let callBackSpy = sinon.spy();
     let submoduleCallback = liveIntentIdSubmodule.getId({ params: {

test/spec/modules/liveIntentIdSystem_spec.js

@@ -378,6 +378,11 @@ describe('LiveIntentId', function() {
     expect(result).to.eql({'uid2': {'id': 'bar'}});
   });
 
+  it('should decode an index id to a seperate object when present', function() {
+    const result = liveIntentIdSubmodule.decode({ nonId: 'foo', index: 'bar' });
+    expect(result).to.eql({'lipb': {'lipbid': 'foo', 'nonId': 'foo', 'index': 'bar'}, 'index': {'id': 'bar'}});
+  });
+
   it('should allow disabling nonId resolution', function() {
     let callBackSpy = sinon.spy();
     let submoduleCallback = liveIntentIdSubmodule.getId({ params: {