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ref(hono): move shared Hono instrumentation into @sentry/server-utils - #24496

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@mydea mydea commented Sep 18, 2026

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First of two stacked PRs splitting the Hono instrumentation rework (originally #24371).

Relocates the runtime-agnostic Hono instrumentation out of @sentry/hono into @sentry/server-utils (src/integrations/hono/), with @sentry/hono re-exporting it. Since @sentry/server-utils must not depend on hono, the relocated code no longer imports it: the Hono class is passed in by the SDK and a vendored honoTypes module provides the shapes. The sentry() middleware now builds its request handler via the shared createHonoRequestMiddleware. Pure relocation — no behavior change.

Also renames the hono-4 e2e test app to hono-4-legacy and moves the corresponding unit tests alongside the relocated code.

The orchestrion-based auto-instrumentation that builds on this lives in the stacked PR #24497.

🤖 Generated with Claude Code

Relocate the runtime-agnostic Hono instrumentation out of `@sentry/hono` into
`packages/server-utils/src/integrations/hono/`, with `@sentry/hono` re-exporting
it. Server-utils must not depend on `hono`, so the relocated code no longer
imports it (the `Hono` class is passed in by the SDK and a vendored `honoTypes`
provides the shapes). The `sentry()` middleware now builds its request handler
via the shared `createHonoRequestMiddleware`. No behavior change.

Also renames the `hono-4` e2e test app to `hono-4-legacy` and moves the
corresponding unit tests alongside the relocated code.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
@mydea
mydea added this pull request to stack #24498 September 18, 2026 10:39

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Cursor Bugbot has reviewed your changes and found 1 potential issue.

Fix All in Cursor

❌ Bugbot Autofix is OFF. To automatically fix reported issues with cloud agents, enable autofix in the Cursor dashboard.

Reviewed by Cursor Bugbot for commit fa52eea. Configure here.

export function wrapMiddlewareWithSpan(handler: MiddlewareHandler): MiddlewareHandler {
// Never turn Sentry's own request/response middleware into a middleware span — e.g. when an
// auto-instrumented sub-app carrying it is mounted into a parent and its handlers get wrapped.
if ((handler as unknown as Record<PropertyKey, unknown>)[SENTRY_HONO_MIDDLEWARE]) {

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Unguarded double cast in middleware wrap

Low Severity

The new as unknown as Record&lt;PropertyKey, unknown&gt; double-cast has no comment explaining why a safer type is impossible. SDK source requires that justification on any, as any, double-casts, and non-null assertions.

Fix in Cursor Fix in Web

Triggered by project rule: PR Review Guidelines for Cursor Bot

Reviewed by Cursor Bugbot for commit fa52eea. Configure here.

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size-limit report 📦

Path Size % Change Change
@sentry/browser 29.09 kB - -
@sentry/browser - with treeshaking flags 27.35 kB - -
@sentry/browser - with treeshaking flags tracing without tracing 27.26 kB - -
@sentry/browser (incl. Tracing) 50.6 kB - -
@sentry/browser (incl. Tracing + Span Streaming) 50.62 kB - -
@sentry/browser (incl. Tracing, Profiling) 53.61 kB - -
@sentry/browser (incl. Tracing, Replay) 90.15 kB - -
@sentry/browser (incl. Tracing, Replay) - with treeshaking flags 79.25 kB - -
@sentry/browser (incl. Tracing, Replay with Canvas) 94.85 kB - -
@sentry/browser (incl. Tracing, Replay, Feedback) 107.83 kB - -
@sentry/browser (incl. Feedback) 46.62 kB - -
@sentry/browser (incl. sendFeedback) 34.15 kB - -
@sentry/browser (incl. FeedbackAsync) 39.26 kB - -
@sentry/browser (incl. Metrics) 30.1 kB - -
@sentry/browser (incl. Logs) 30.35 kB - -
@sentry/browser (incl. Metrics & Logs) 31.02 kB - -
@sentry/react 30.84 kB - -
@sentry/react (incl. Tracing) 52.94 kB - -
@sentry/vue 36.34 kB - -
@sentry/vue (incl. Tracing) 52.91 kB - -
@sentry/svelte 29.11 kB - -
CDN Bundle 30.8 kB - -
CDN Bundle (incl. Tracing) 51.15 kB - -
CDN Bundle (incl. Logs, Metrics) 33.06 kB - -
CDN Bundle (incl. Tracing, Logs, Metrics) 53.14 kB - -
CDN Bundle (incl. Replay, Logs, Metrics) 73.75 kB - -
CDN Bundle (incl. Tracing, Replay) 88.69 kB - -
CDN Bundle (incl. Tracing, Replay, Logs, Metrics) 90.63 kB - -
CDN Bundle (incl. Tracing, Replay, Feedback) 94.73 kB - -
CDN Bundle (incl. Tracing, Replay, Feedback, Logs, Metrics) 96.78 kB - -
CDN Bundle - uncompressed 91.16 kB - -
CDN Bundle (incl. Tracing) - uncompressed 152.66 kB - -
CDN Bundle (incl. Logs, Metrics) - uncompressed 97.73 kB - -
CDN Bundle (incl. Tracing, Logs, Metrics) - uncompressed 158.61 kB - -
CDN Bundle (incl. Replay, Logs, Metrics) - uncompressed 227.14 kB - -
CDN Bundle (incl. Tracing, Replay) - uncompressed 272.23 kB - -
CDN Bundle (incl. Tracing, Replay, Logs, Metrics) - uncompressed 278.17 kB - -
CDN Bundle (incl. Tracing, Replay, Feedback) - uncompressed 285.93 kB - -
CDN Bundle (incl. Tracing, Replay, Feedback, Logs, Metrics) - uncompressed 291.86 kB - -
@sentry/nextjs (client) 55.27 kB - -
@sentry/sveltekit (client) 51.05 kB - -
@sentry/core/server 39.63 kB - -
@sentry/core/browser 13.66 kB - -
@sentry/node 133.29 kB +0.02% +25 B 🔺
@sentry/node/import (ESM hook with diagnostics-channel injection) 82.11 kB - -
@sentry/node - without tracing 89.88 kB +0.03% +20 B 🔺
@sentry/node - without channel injection 112.15 kB +0.02% +15 B 🔺
@sentry/aws-serverless 98.16 kB +0.03% +22 B 🔺
@sentry/cloudflare (withSentry) - minified 204.69 kB - -
@sentry/cloudflare (withSentry) 509.25 kB - -

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