Add middleware handler for error code telemetry

[gaojude]

This pull request adds telemetry collection for error message feedback in the development server. It exposes an internal endpoint /__nextjs_error_feedback for the error overlay to call.

https://linear.app/vercel/issue/NDX-597/create-error-feedback-ui-that-fires-events-to-next-telemetry

[gaojude]

• Add middleware handler for error code telemetry #74088 👈 (View in Graphite)
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[ijjk]

Stats from current PR

Default Build

General Overall increase ⚠️

	vercel/next.js canary	vercel/next.js 12-18-add_middleware_handler_for_error_code_telemetry	Change
buildDuration	18s	15.8s	N/A
buildDurationCached	15.1s	12.6s	N/A
nodeModulesSize	416 MB	416 MB	⚠️ +23.3 kB
nextStartRea..uration (ms)	478ms	476ms	N/A

Client Bundles (main, webpack)

	vercel/next.js canary	vercel/next.js 12-18-add_middleware_handler_for_error_code_telemetry	Change
1187-HASH.js gzip	52.4 kB	52.4 kB	N/A
8276.HASH.js gzip	169 B	168 B	N/A
8377-HASH.js gzip	5.36 kB	5.36 kB	N/A
bccd1874-HASH.js gzip	53 kB	53 kB	N/A
framework-HASH.js gzip	57.5 kB	57.5 kB	N/A
main-app-HASH.js gzip	231 B	235 B	N/A
main-HASH.js gzip	34.1 kB	34.1 kB	N/A
webpack-HASH.js gzip	1.71 kB	1.71 kB	N/A
Overall change	0 B	0 B	✓

Legacy Client Bundles (polyfills)

	vercel/next.js canary	vercel/next.js 12-18-add_middleware_handler_for_error_code_telemetry	Change
polyfills-HASH.js gzip	39.4 kB	39.4 kB	✓
Overall change	39.4 kB	39.4 kB	✓

Client Pages

	vercel/next.js canary	vercel/next.js 12-18-add_middleware_handler_for_error_code_telemetry	Change
_app-HASH.js gzip	193 B	193 B	✓
_error-HASH.js gzip	193 B	193 B	✓
amp-HASH.js gzip	512 B	510 B	N/A
css-HASH.js gzip	343 B	342 B	N/A
dynamic-HASH.js gzip	1.84 kB	1.84 kB	✓
edge-ssr-HASH.js gzip	265 B	265 B	✓
head-HASH.js gzip	363 B	362 B	N/A
hooks-HASH.js gzip	393 B	392 B	N/A
image-HASH.js gzip	4.49 kB	4.49 kB	N/A
index-HASH.js gzip	268 B	268 B	✓
link-HASH.js gzip	2.35 kB	2.34 kB	N/A
routerDirect..HASH.js gzip	328 B	328 B	✓
script-HASH.js gzip	397 B	397 B	✓
withRouter-HASH.js gzip	323 B	326 B	N/A
1afbb74e6ecf..834.css gzip	106 B	106 B	✓
Overall change	3.59 kB	3.59 kB	✓

Client Build Manifests

	vercel/next.js canary	vercel/next.js 12-18-add_middleware_handler_for_error_code_telemetry	Change
_buildManifest.js gzip	749 B	746 B	N/A
Overall change	0 B	0 B	✓

Rendered Page Sizes

	vercel/next.js canary	vercel/next.js 12-18-add_middleware_handler_for_error_code_telemetry	Change
index.html gzip	523 B	524 B	N/A
link.html gzip	538 B	538 B	✓
withRouter.html gzip	519 B	521 B	N/A
Overall change	538 B	538 B	✓

Edge SSR bundle Size

	vercel/next.js canary	vercel/next.js 12-18-add_middleware_handler_for_error_code_telemetry	Change
edge-ssr.js gzip	129 kB	129 kB	N/A
page.js gzip	205 kB	205 kB	N/A
Overall change	0 B	0 B	✓

Middleware size

	vercel/next.js canary	vercel/next.js 12-18-add_middleware_handler_for_error_code_telemetry	Change
middleware-b..fest.js gzip	668 B	669 B	N/A
middleware-r..fest.js gzip	155 B	156 B	N/A
middleware.js gzip	31.3 kB	31.3 kB	N/A
edge-runtime..pack.js gzip	844 B	844 B	✓
Overall change	844 B	844 B	✓

Next Runtimes

	vercel/next.js canary	vercel/next.js 12-18-add_middleware_handler_for_error_code_telemetry	Change
274-experime...dev.js gzip	322 B	322 B	✓
274.runtime.dev.js gzip	314 B	314 B	✓
app-page-exp...dev.js gzip	356 kB	356 kB	✓
app-page-exp..prod.js gzip	129 kB	129 kB	✓
app-page-tur..prod.js gzip	142 kB	142 kB	✓
app-page-tur..prod.js gzip	137 kB	137 kB	✓
app-page.run...dev.js gzip	346 kB	346 kB	✓
app-page.run..prod.js gzip	125 kB	125 kB	✓
app-route-ex...dev.js gzip	37.5 kB	37.5 kB	✓
app-route-ex..prod.js gzip	25.5 kB	25.5 kB	✓
app-route-tu..prod.js gzip	25.5 kB	25.5 kB	✓
app-route-tu..prod.js gzip	25.3 kB	25.3 kB	✓
app-route.ru...dev.js gzip	39.1 kB	39.1 kB	✓
app-route.ru..prod.js gzip	25.3 kB	25.3 kB	✓
pages-api-tu..prod.js gzip	9.69 kB	9.69 kB	✓
pages-api.ru...dev.js gzip	11.6 kB	11.6 kB	✓
pages-api.ru..prod.js gzip	9.68 kB	9.68 kB	✓
pages-turbo...prod.js gzip	21.7 kB	21.7 kB	✓
pages.runtim...dev.js gzip	27.5 kB	27.5 kB	✓
pages.runtim..prod.js gzip	21.7 kB	21.7 kB	✓
server.runti..prod.js gzip	916 kB	916 kB	✓
Overall change	2.43 MB	2.43 MB	✓

build cache

	vercel/next.js canary	vercel/next.js 12-18-add_middleware_handler_for_error_code_telemetry	Change
0.pack gzip	2.08 MB	2.08 MB	N/A
index.pack gzip	75.2 kB	74.1 kB	N/A
Overall change	0 B	0 B	✓

Diff details

Diff for main-HASH.js

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Commit: d1d9d53