add posthog

Author: victorhuangwq

instrumentation-client.ts

@@ -0,0 +1,14 @@
+import posthog from "posthog-js"
+
+posthog.init(process.env.NEXT_PUBLIC_POSTHOG_KEY!, {
+	api_host: "/ingest",
+	ui_host: "https://us.posthog.com",
+	defaults: "2025-05-24",
+	capture_exceptions: true, // This enables capturing exceptions using Error Tracking
+	session_recording: {
+		// Prevent large base64 images from being serialized into recordings
+		blockClass: "ph-no-capture",
+		blockSelector: ".ph-no-capture",
+	},
+	debug: process.env.NODE_ENV === "development",
+});

next.config.ts

@@ -16,6 +16,20 @@ const nextConfig: NextConfig = {
 			},
 		];
 	},
+	async rewrites() {
+		return [
+			{
+				source: "/ingest/static/:path*",
+				destination: "https://us-assets.i.posthog.com/static/:path*",
+			},
+			{
+				source: "/ingest/:path*",
+				destination: "https://us.i.posthog.com/:path*",
+			},
+		];
+	},
+	// This is required to support PostHog trailing slash API requests
+	skipTrailingSlashRedirect: true,
 };
 
 export default nextConfig;