Alaister YoungandAlaister Young 74bc0a8e27 fix(studio): initialize Sentry on the TanStack build (captures were silent no-ops) (#47666)
Stacked on #47657 (base is `alaister/tanstack-migration-fixes`; retarget
to `master` once that merges).

The TanStack runtime never ran `Sentry.init` —
`instrumentation-client.ts` is a Next-convention file nothing imports
under TanStack Start, so every `Sentry.captureException` on that build
(including the `routes/__root.tsx` error-boundary /
`routerErrorComponent` reports) was a silent no-op.

- **Shared config source**: the entire client config moves verbatim from
`instrumentation-client.ts` into `lib/sentry-client-options.ts`
(`buildSentryClientOptions`). Both runtimes build from it, so Next and
TanStack can't drift — the builds differ only in two explicit knobs.
- **TanStack init**: `sentry.tanstack.ts` initializes `@sentry/react`
from `getRouter()` (TanStack Start's real client bootstrap — the
earliest point with the router instance), wiring
`tanstackRouterBrowserTracingIntegration(router)`. Window-guarded +
idempotent; `router.tsx` is TanStack-only so the Next build is
untouched. (Named without `.client.` — Start's import-protection fails
the build for `*.client.*` in the server graph.)
- **Third-party error filter is intentionally Next-only**: without the
bundler-injected `applicationKey` metadata (only `withSentryConfig`
provides it), the SDK tags *every* event `third_party_code: true` and
`beforeSend` would drop them all — recreating the silent no-op with a
DSN set. Follow-up: add `@sentry/vite-plugin` moduleMetadata, then
enable.
- **DSN-less builds stay crash-free**: `vite.config.ts` inlines
`undefined` for unset
`NEXT_PUBLIC_SENTRY_DSN`/`NEXT_PUBLIC_SENTRY_ENVIRONMENT` (a literal
`process.env.*` in the bundle is the exact `process is not defined`
class #47657 fixed). No-DSN → disabled client, plus the existing
`IS_PLATFORM`/consent gates.
- Tests: `instrumentation-client.test.ts` moved to
`lib/sentry-client-options.test.ts` with all 36 assertions kept, plus
integration-gating and Next/TanStack parity tests. `tsc` clean; full
`vite build --mode test` passes.

Follow-up (separate): server-side Sentry for the Start handler
(`server.ts` entry + `@sentry/node`-style init).

## To test

- **Locally (no DSN set)**: load the TanStack build — no Sentry network
requests, no console errors, and crucially no `ReferenceError: process
is not defined` (the define fallback). Forcing an error must not POST to
any `/envelope` endpoint.
- **On a preview/deploy (DSN set, telemetry consent accepted)**: throw a
test error (e.g. crash a route component) → a POST to
`o…ingest.sentry.io/api/…/envelope/` fires, and the event lands in
Sentry with a `codeSampleRate` tag and **no** `third_party_code` tag.
Navigation spans named after TanStack routes appear when the 2% pageload
trace samples in.
- **Next build regression check**: the Next dev/preview still reports
errors exactly as before (`instrumentation-client.ts` now builds its
options from the same shared source).



---

### Review feedback: Sentry `/envelope` never fires on TanStack (Joshen)

Root-caused: `@sentry/core`'s `Client.sendSession` silently drops the
session when the client has no `release`. The Next build gets a release
injected by `withSentryConfig` (the Vercel commit SHA); the Vite build
runs no Sentry bundler plugin, so it had no release → session envelopes
were discarded before transport → zero `/envelope` traffic
(errors/transactions are separate). Fix: inject `release:
NEXT_PUBLIC_VERCEL_GIT_COMMIT_SHA` on the TanStack build (vite.config
re-exposes `VERCEL_GIT_COMMIT_SHA` under the `NEXT_PUBLIC_` name, same
SHA the Next release resolves to). Also switched `integrations` to the
function form so defaults are preserved by contract (not just by current
SDK behavior). 45 unit tests green.

**To test (deploys only — the SHA is unset locally, so this can't be
reproduced on a local dev build):** on this PR's Vercel preview with a
DSN + telemetry consent, load any page and watch the Network tab for a
POST to `…ingest.sentry.io/…/envelope/` — a session envelope should now
fire on load, matching the Next build.


<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## Summary by CodeRabbit

* **New Features**
* Improved client-side error and performance monitoring for the Studio
app across both router setups.
* Added support for passing release/version information into monitoring
data.

* **Bug Fixes**
* Reduced noisy error reporting by better filtering common browser,
extension, cancellation, and load-related issues.
* Prevented browser bundles from referencing missing environment values
at runtime.
* Made monitoring initialization safer in server-rendered and
client-only environments.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

---------

Co-authored-by: Alaister Young <10985857+alaister@users.noreply.github.com>
2026-07-09 18:41:03 +08:00
2025-06-17 11:08:46 +02:00
2026-06-30 14:03:40 +02:00
2024-01-10 13:34:41 +01:00
2021-07-25 12:45:26 +08:00

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