From 23b0c02f8f2dbdf156b03170b95bc34e7cb8437e Mon Sep 17 00:00:00 2001
From: Peter Perlepes <p.perlepes@gmail.com>
Date: Thu, 12 Oct 2023 18:09:30 +0300
Subject: [PATCH] Add CommonEventProperties type argument (close #1249)

#1250
---
 ...mon-event-properties-type-arg_2023-10-11-10-45.json | 10 ++++++++++
 ...mon-event-properties-type-arg_2023-10-11-10-22.json | 10 ++++++++++
 libraries/tracker-core/src/core.ts                     |  4 ++--
 trackers/browser-tracker/docs/browser-tracker.api.md   |  4 ++--
 4 files changed, 24 insertions(+), 4 deletions(-)
 create mode 100644 common/changes/@snowplow/browser-tracker/feature-1249-common-event-properties-type-arg_2023-10-11-10-45.json
 create mode 100644 common/changes/@snowplow/tracker-core/feature-1249-common-event-properties-type-arg_2023-10-11-10-22.json

diff --git a/common/changes/@snowplow/browser-tracker/feature-1249-common-event-properties-type-arg_2023-10-11-10-45.json b/common/changes/@snowplow/browser-tracker/feature-1249-common-event-properties-type-arg_2023-10-11-10-45.json
new file mode 100644
index 000000000..da9cef551
--- /dev/null
+++ b/common/changes/@snowplow/browser-tracker/feature-1249-common-event-properties-type-arg_2023-10-11-10-45.json
@@ -0,0 +1,10 @@
+{
+  "changes": [
+    {
+      "packageName": "@snowplow/browser-tracker",
+      "comment": "Add CommonEventProperties type argument",
+      "type": "none"
+    }
+  ],
+  "packageName": "@snowplow/browser-tracker"
+}
\ No newline at end of file
diff --git a/common/changes/@snowplow/tracker-core/feature-1249-common-event-properties-type-arg_2023-10-11-10-22.json b/common/changes/@snowplow/tracker-core/feature-1249-common-event-properties-type-arg_2023-10-11-10-22.json
new file mode 100644
index 000000000..bdb8e0495
--- /dev/null
+++ b/common/changes/@snowplow/tracker-core/feature-1249-common-event-properties-type-arg_2023-10-11-10-22.json
@@ -0,0 +1,10 @@
+{
+  "changes": [
+    {
+      "packageName": "@snowplow/tracker-core",
+      "comment": "Add CommonEventProperties type argument",
+      "type": "none"
+    }
+  ],
+  "packageName": "@snowplow/tracker-core"
+}
\ No newline at end of file
diff --git a/libraries/tracker-core/src/core.ts b/libraries/tracker-core/src/core.ts
index 4a37e7f16..6bb8e277c 100644
--- a/libraries/tracker-core/src/core.ts
+++ b/libraries/tracker-core/src/core.ts
@@ -119,9 +119,9 @@ function getTimestamp(timestamp?: Timestamp | null): TimestampPayload {
 }
 
 /** Additional data points to set when tracking an event */
-export interface CommonEventProperties {
+export interface CommonEventProperties<T = Record<string, unknown>> {
   /** Add context to an event by setting an Array of Self Describing JSON */
-  context?: Array<SelfDescribingJson> | null;
+  context?: Array<SelfDescribingJson<T>> | null;
   /** Set the true timestamp or overwrite the device sent timestamp on an event */
   timestamp?: Timestamp | null;
 }
diff --git a/trackers/browser-tracker/docs/browser-tracker.api.md b/trackers/browser-tracker/docs/browser-tracker.api.md
index 70aabae95..ae5c7f7f0 100644
--- a/trackers/browser-tracker/docs/browser-tracker.api.md
+++ b/trackers/browser-tracker/docs/browser-tracker.api.md
@@ -142,8 +142,8 @@ export interface ClientSession extends Record<string, unknown> {
 }
 
 // @public
-export interface CommonEventProperties {
-    context?: Array<SelfDescribingJson> | null;
+export interface CommonEventProperties<T = Record<string, unknown>> {
+    context?: Array<SelfDescribingJson<T>> | null;
     // Warning: (ae-forgotten-export) The symbol "Timestamp" needs to be exported by the entry point index.module.d.ts
     timestamp?: Timestamp | null;
 }