fix: stop setting platform on Sentry event (#416)

Author: daibhin

posthog-node/CHANGELOG.md

@@ -1,5 +1,9 @@
 # Next
 
+# 4.10.1 – 2025-03-06
+
+1. Fix: only set `platform` on PostHog exception frame properties
+
 # 4.10.0 – 2025-03-06
 
 1. Attach requestId to $feature_flag_called if present in /decide response

posthog-node/package.json

@@ -1,6 +1,6 @@
 {
   "name": "posthog-node",
-  "version": "4.10.0",
+  "version": "4.10.1",
   "description": "PostHog Node.js integration",
   "repository": {
     "type": "git",

posthog-node/src/extensions/sentry-integration.ts

@@ -101,11 +101,18 @@ export function createEventProcessor(
 
     const exceptions: _SentryException[] = event.exception?.values || []
 
-    exceptions.map((exception) => {
-      if (exception.stacktrace) {
-        exception.stacktrace.type = 'raw'
-      }
-    })
+    const exceptionList = exceptions.map((exception) => ({
+      ...exception,
+      stacktrace: exception.stacktrace
+        ? {
+            ...exception.stacktrace,
+            type: 'raw',
+            frames: (exception.stacktrace.frames || []).map((frame: any) => {
+              return { ...frame, platform: 'node:javascript' }
+            }),
+          }
+        : undefined,
+    }))
 
     const properties: SentryExceptionProperties & {
       // two properties added to match any exception auto-capture
@@ -121,7 +128,7 @@ export function createEventProcessor(
       $exception_type: exceptions[0]?.type,
       $exception_personURL: personUrl,
       $exception_level: event.level,
-      $exception_list: exceptions,
+      $exception_list: exceptionList,
       // Sentry Exception Properties
       $sentry_event_id: event.event_id,
       $sentry_exception: event.exception,

posthog-node/test/extensions/sentry-integration.spec.ts

@@ -138,7 +138,7 @@ describe('PostHogSentryIntegration', () => {
               {
                 type: 'Error',
                 value: 'example error',
-                stacktrace: { frames: [], type: 'raw' },
+                stacktrace: { frames: [] },
                 mechanism: { type: 'generic', handled: true },
               },
             ],