add sentry

app/javascript/sentry.js

@@ -0,0 +1,16 @@
+import * as Sentry from '@sentry/browser'
+
+const sentryDsn = document.querySelector('meta[name="sentry-dsn"]')?.getAttribute('content')
+
+if (sentryDsn) {
+  Sentry.init({
+    dsn: sentryDsn,
+    beforeSend (event) {
+      if (event.request.url.match(/\/[ds]\/\w+$/)) {
+        event.request.url = event.request.url.slice(0, -6)
+      }
+
+      return event
+    }
+  })
+}