Added JavaScript Profiling with Sentry

next.config.ts

@@ -23,6 +23,19 @@ const nextConfig: NextConfig = {
       },
     ],
   },
+  async headers() {
+    return [
+      {
+        source: '/:path*',
+        headers: [
+          {
+            key: 'Document-Policy',
+            value: 'js-profiling',
+          },
+        ],
+      },
+    ];
+  },
   pageExtensions: ['ts', 'tsx', 'js', 'jsx', 'md', 'mdx'],
   compress: true,
   serverMiddleware: [compression()],

sentry.client.config.ts

@@ -19,8 +19,19 @@ Sentry.init({
     }),
   ],
 
-  // Define how likely traces are sampled. Adjust this value in production, or use tracesSampler for greater control.
+  // Set tracesSampleRate to 1.0 to capture 100%
-  tracesSampleRate: 1,
+  // of transactions for tracing.
+  // We recommend adjusting this value in production
+  tracesSampleRate: 1.0,
+  // Set `tracePropagationTargets` to control for which URLs trace propagation should be enabled
+  tracePropagationTargets: ['localhost', /^https:\/\/tasko\.ahmadk953\.org/],
+
+  // Set profilesSampleRate to 1.0 to profile every transaction.
+  // Since profilesSampleRate is relative to tracesSampleRate,
+  // the final profiling rate can be computed as tracesSampleRate * profilesSampleRate
+  // For example, a tracesSampleRate of 0.5 and profilesSampleRate of 0.5 would
+  // result in 25% of transactions being profiled (0.5*0.5=0.25)
+  profilesSampleRate: 1.0,
 
   // Define how likely Replay events are sampled.
   replaysSessionSampleRate: 0.5,