Merge pull request #32251 from henrymyers/segment-analytics-add-segmentopts-context

[segment-analytics] Add optional context property to SegmentOpts

types/segment-analytics/index.d.ts

@@ -12,6 +12,7 @@ declare namespace SegmentAnalytics {
   interface SegmentOpts {
     integrations?: any;
     anonymousId?: string;
+    context?: object;
   }
 
   // The actual analytics.js object

types/segment-analytics/segment-analytics-tests.ts

@@ -13,6 +13,11 @@ var testProps = {
 var testOpts = {
   integrations: {
     Mixpanel: true
+  },
+  context: {
+    campaign: {
+      name: 'Cheese Promo'
+    }
   }
 };