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fix: enforce a single edge entrypoint for next edge handler #2866

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fix: enforce a single edge entrypoint for next edge handler #2866

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mrstork
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@mrstork mrstork commented Apr 22, 2025 •
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Description

There exist next site configurations that generate multiple edge handlers with potentially overlapping path patterns. This can cause multiple edge handler executions for a single request, thus causing middleware to be run multiple times for a single request, and finally also multiple lambda invocations for a given request. These changes ensure we only generate a single next runtime edge handler for a given site.

Fixes FRB-1736
Fixes FRB-580
Fixes #2470

Tests

Built locally and deployed a site with the following components

// middleware.js (with one or more matchers)
const middleware = (): Promise<NextResponse> => {
  console.info('Next Middleware was called');

  return Promise.resolve(NextResponse.next());
};

// next-config.js
/** @type {import('next').NextConfig} */
module.exports = {
  ...
  i18n: {
    locales: ['en', 'fr'],
    defaultLocale: 'en',
  },
};

Can also run ./run-local-test.sh test/e2e/middleware-responses on this branch to validate two set-cookie headers are not being added to the response

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github-actions bot commented Apr 22, 2025 •
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📊 Package size report   0%↑

File Before (Size / Gzip) After (Size / Gzip)
dist/build/functions/edge.js 20.8 kB / 5.6 kB 0.6%↑20.9 kB / 0.4%↑5.6 kB
dist/esm-chunks/package-RMCERX5T.js 3.7 kB / 1.4 kB —
dist/esm-chunks/package-ZBYUK7RY.js — 3.7 kB / 1.4 kB
Total (Includes all files) 5.9 MB / 1.2 MB 0%↑5.9 MB / 0%↑1.2 MB
Tarball size 1.2 MB 0%↑1.2 MB
Unchanged files
File Size (Size / Gzip)
dist/build/advanced-api-routes.js 4.3 kB / 1.4 kB
dist/build/cache.js 1.0 kB / 414 B
dist/build/content/next-shims/telemetry-storage.cjs 1.6 kB / 659 B
dist/build/content/prerendered.js 9.4 kB / 2.8 kB
dist/build/content/server.js 8.7 kB / 2.8 kB
dist/build/content/static.js 4.1 kB / 1.4 kB
dist/build/functions/server.js 5.0 kB / 1.6 kB
dist/build/image-cdn.js 54.0 kB / 11.1 kB
dist/build/plugin-context.js 10.1 kB / 3.0 kB
dist/build/templates/handler-monorepo.tmpl.js 1.7 kB / 703 B
dist/build/templates/handler.tmpl.js 1.6 kB / 655 B
dist/build/verification.js 4.5 kB / 1.5 kB
dist/esm-chunks/chunk-5QSXBV7L.js 2.4 kB / 842 B
dist/esm-chunks/chunk-APO262HE.js 61.2 kB / 11.1 kB
dist/esm-chunks/chunk-GNGHTHMQ.js 55.6 kB / 9.7 kB
dist/esm-chunks/chunk-NFOLXH6F.js 187.9 kB / 33.2 kB
dist/esm-chunks/chunk-OEQOKJGE.js 2.3 kB / 977 B
dist/index.js 3.4 kB / 1.1 kB
dist/run/config.js 1.3 kB / 643 B
dist/run/constants.js 516 B / 308 B
dist/run/handlers/cache.cjs 22.3 kB / 5.9 kB
dist/run/handlers/request-context.cjs 6.2 kB / 1.9 kB
dist/run/handlers/server.js 142.4 kB / 33.4 kB
dist/run/handlers/tracer.cjs 30.2 kB / 6.3 kB
dist/run/handlers/tracing.js 3.0 MB / 418.5 kB
dist/run/handlers/wait-until.cjs 1.4 kB / 665 B
dist/run/headers.js 8.2 kB / 2.6 kB
dist/run/next.cjs 23.5 kB / 5.8 kB
dist/run/revalidate.js 1.0 kB / 476 B
dist/run/storage/regional-blob-store.cjs 21.3 kB / 6.1 kB
dist/run/storage/request-scoped-in-memory-cache.cjs 47.4 kB / 10.9 kB
dist/run/storage/storage.cjs 4.0 kB / 1.3 kB
dist/shared/blob-types.cjs 1.6 kB / 640 B
dist/shared/blobkey.js 742 B / 399 B
dist/shared/cache-types.cjs 1.3 kB / 566 B
edge-runtime/lib/headers.ts 1.9 kB / 841 B
edge-runtime/lib/logging.ts 115 B / 121 B
edge-runtime/lib/middleware.test.ts 3.3 kB / 645 B
edge-runtime/lib/middleware.ts 3.3 kB / 1.3 kB
edge-runtime/lib/next-request.ts 3.3 kB / 1.1 kB
edge-runtime/lib/response.ts 10.0 kB / 3.0 kB
edge-runtime/lib/routing.ts 15.1 kB / 3.9 kB
edge-runtime/lib/util.test.ts 1.6 kB / 356 B
edge-runtime/lib/util.ts 3.7 kB / 1.3 kB
edge-runtime/matchers.json 3 B / 23 B
edge-runtime/middleware.ts 2.4 kB / 1.0 kB
edge-runtime/next.config.json 3 B / 23 B
edge-runtime/README.md 992 B / 509 B
edge-runtime/shim/index.js 1.5 kB / 717 B
edge-runtime/vendor.ts 745 B / 312 B
edge-runtime/vendor/deno.land/[email protected]/_util/asserts.ts 854 B / 461 B
edge-runtime/vendor/deno.land/[email protected]/_util/os.ts 644 B / 355 B
edge-runtime/vendor/deno.land/[email protected]/async/abortable.ts 4.0 kB / 1.0 kB
edge-runtime/vendor/deno.land/[email protected]/async/deadline.ts 974 B / 544 B
edge-runtime/vendor/deno.land/[email protected]/async/debounce.ts 2.2 kB / 956 B
edge-runtime/vendor/deno.land/[email protected]/async/deferred.ts 1.5 kB / 798 B
edge-runtime/vendor/deno.land/[email protected]/async/delay.ts 1.8 kB / 845 B
edge-runtime/vendor/deno.land/[email protected]/async/mod.ts 465 B / 241 B
edge-runtime/vendor/deno.land/[email protected]/async/mux_async_iterator.ts 2.5 kB / 1.1 kB
edge-runtime/vendor/deno.land/[email protected]/async/pool.ts 3.2 kB / 1.4 kB
edge-runtime/vendor/deno.land/[email protected]/async/retry.ts 2.4 kB / 1.0 kB
edge-runtime/vendor/deno.land/[email protected]/async/tee.ts 2.1 kB / 924 B
edge-runtime/vendor/deno.land/[email protected]/bytes/index_of_needle.ts 1.4 kB / 668 B
edge-runtime/vendor/deno.land/[email protected]/crypto/timing_safe_equal.ts 875 B / 442 B
edge-runtime/vendor/deno.land/[email protected]/datetime/to_imf.ts 1.3 kB / 681 B
edge-runtime/vendor/deno.land/[email protected]/encoding/base64.ts 2.5 kB / 1.0 kB
edge-runtime/vendor/deno.land/[email protected]/encoding/base64url.ts 2.0 kB / 872 B
edge-runtime/vendor/deno.land/[email protected]/flags/mod.ts 22.6 kB / 5.9 kB
edge-runtime/vendor/deno.land/[email protected]/fmt/colors.ts 12.4 kB / 2.7 kB
edge-runtime/vendor/deno.land/[email protected]/fmt/printf.ts 27.7 kB / 7.7 kB
edge-runtime/vendor/deno.land/[email protected]/http/cookie.ts 11.5 kB / 3.6 kB
edge-runtime/vendor/deno.land/[email protected]/node/_core.ts 2.3 kB / 716 B
edge-runtime/vendor/deno.land/[email protected]/node/_events.d.ts 27.2 kB / 5.8 kB
edge-runtime/vendor/deno.land/[email protected]/node/_events.mjs 28.0 kB / 7.4 kB
edge-runtime/vendor/deno.land/[email protected]/node/_global.d.ts 1.7 kB / 650 B
edge-runtime/vendor/deno.land/[email protected]/node/_next_tick.ts 5.0 kB / 1.4 kB
edge-runtime/vendor/deno.land/[email protected]/node/_process/exiting.ts 138 B / 138 B
edge-runtime/vendor/deno.land/[email protected]/node/_process/process.ts 3.8 kB / 1.4 kB
edge-runtime/vendor/deno.land/[email protected]/node/_process/stdio.mjs 336 B / 233 B
edge-runtime/vendor/deno.land/[email protected]/node/_process/streams.mjs 4.0 kB / 1.4 kB
edge-runtime/vendor/deno.land/[email protected]/node/_stream.d.ts 53.2 kB / 11.9 kB
edge-runtime/vendor/deno.land/[email protected]/node/_stream.mjs 91.2 kB / 25.4 kB
edge-runtime/vendor/deno.land/[email protected]/node/_util/_util_callbackify.ts 4.3 kB / 1.7 kB
edge-runtime/vendor/deno.land/[email protected]/node/_utils.ts 5.9 kB / 2.0 kB
edge-runtime/vendor/deno.land/[email protected]/node/assert.ts 23.1 kB / 4.4 kB
edge-runtime/vendor/deno.land/[email protected]/node/assertion_error.ts 19.6 kB / 6.1 kB
edge-runtime/vendor/deno.land/[email protected]/node/async_hooks.ts 7.7 kB / 2.1 kB
edge-runtime/vendor/deno.land/[email protected]/node/buffer.ts 262 B / 204 B
edge-runtime/vendor/deno.land/[email protected]/node/events.ts 303 B / 221 B
edge-runtime/vendor/deno.land/[email protected]/node/internal_binding/_libuv_winerror.ts 7.8 kB / 1.9 kB
edge-runtime/vendor/deno.land/[email protected]/node/internal_binding/_listen.ts 561 B / 342 B
edge-runtime/vendor/deno.land/[email protected]/node/internal_binding/_node.ts 443 B / 335 B
edge-runtime/vendor/deno.land/[email protected]/node/internal_binding/_timingSafeEqual.ts 479 B / 268 B
edge-runtime/vendor/deno.land/[email protected]/node/internal_binding/_utils.ts 2.4 kB / 938 B
edge-runtime/vendor/deno.land/[email protected]/node/internal_binding/_winerror.ts 354.4 kB / 64.4 kB
edge-runtime/vendor/deno.land/[email protected]/node/internal_binding/ares.ts 2.4 kB / 1.1 kB
edge-runtime/vendor/deno.land/[email protected]/node/internal_binding/async_wrap.ts 4.0 kB / 1.8 kB
edge-runtime/vendor/deno.land/[email protected]/node/internal_binding/buffer.ts 3.5 kB / 1.3 kB
edge-runtime/vendor/deno.land/[email protected]/node/internal_binding/cares_wrap.ts 15.2 kB / 3.9 kB
edge-runtime/vendor/deno.land/[email protected]/node/internal_binding/config.ts 87 B / 104 B
edge-runtime/vendor/deno.land/[email protected]/node/internal_binding/connection_wrap.ts 2.6 kB / 1.3 kB
edge-runtime/vendor/deno.land/[email protected]/node/internal_binding/constants.ts 21.5 kB / 5.1 kB
edge-runtime/vendor/deno.land/[email protected]/node/internal_binding/contextify.ts 87 B / 104 B
edge-runtime/vendor/deno.land/[email protected]/node/internal_binding/credentials.ts 87 B / 104 B
edge-runtime/vendor/deno.land/[email protected]/node/internal_binding/crypto.ts 448 B / 244 B
edge-runtime/vendor/deno.land/[email protected]/node/internal_binding/errors.ts 87 B / 104 B
edge-runtime/vendor/deno.land/[email protected]/node/internal_binding/fs_dir.ts 87 B / 104 B
edge-runtime/vendor/deno.land/[email protected]/node/internal_binding/fs_event_wrap.ts 87 B / 104 B
edge-runtime/vendor/deno.land/[email protected]/node/internal_binding/fs.ts 87 B / 104 B
edge-runtime/vendor/deno.land/[email protected]/node/internal_binding/handle_wrap.ts 1.8 kB / 1.0 kB
edge-runtime/vendor/deno.land/[email protected]/node/internal_binding/heap_utils.ts 87 B / 104 B
edge-runtime/vendor/deno.land/[email protected]/node/internal_binding/http_parser.ts 87 B / 104 B
edge-runtime/vendor/deno.land/[email protected]/node/internal_binding/icu.ts 87 B / 104 B
edge-runtime/vendor/deno.land/[email protected]/node/internal_binding/inspector.ts 87 B / 104 B
edge-runtime/vendor/deno.land/[email protected]/node/internal_binding/js_stream.ts 87 B / 104 B
edge-runtime/vendor/deno.land/[email protected]/node/internal_binding/messaging.ts 87 B / 104 B
edge-runtime/vendor/deno.land/[email protected]/node/internal_binding/mod.ts 3.1 kB / 955 B
edge-runtime/vendor/deno.land/[email protected]/node/internal_binding/module_wrap.ts 87 B / 104 B
edge-runtime/vendor/deno.land/[email protected]/node/internal_binding/native_module.ts 87 B / 104 B
edge-runtime/vendor/deno.land/[email protected]/node/internal_binding/natives.ts 87 B / 104 B
edge-runtime/vendor/deno.land/[email protected]/node/internal_binding/node_file.ts 2.9 kB / 1.5 kB
edge-runtime/vendor/deno.land/[email protected]/node/internal_binding/node_options.ts 1.8 kB / 989 B
edge-runtime/vendor/deno.land/[email protected]/node/internal_binding/options.ts 87 B / 104 B
edge-runtime/vendor/deno.land/[email protected]/node/internal_binding/os.ts 87 B / 104 B
edge-runtime/vendor/deno.land/[email protected]/node/internal_binding/performance.ts 87 B / 104 B
edge-runtime/vendor/deno.land/[email protected]/node/internal_binding/pipe_wrap.ts 10.4 kB / 3.3 kB
edge-runtime/vendor/deno.land/[email protected]/node/internal_binding/process_methods.ts 87 B / 104 B
edge-runtime/vendor/deno.land/[email protected]/node/internal_binding/report.ts 87 B / 104 B
edge-runtime/vendor/deno.land/[email protected]/node/internal_binding/serdes.ts 87 B / 104 B
edge-runtime/vendor/deno.land/[email protected]/node/internal_binding/signal_wrap.ts 87 B / 104 B
edge-runtime/vendor/deno.land/[email protected]/node/internal_binding/spawn_sync.ts 87 B / 104 B
edge-runtime/vendor/deno.land/[email protected]/node/internal_binding/stream_wrap.ts 9.3 kB / 2.8 kB
edge-runtime/vendor/deno.land/[email protected]/node/internal_binding/string_decoder.ts 504 B / 261 B
edge-runtime/vendor/deno.land/[email protected]/node/internal_binding/symbols.ts 1.4 kB / 828 B
edge-runtime/vendor/deno.land/[email protected]/node/internal_binding/task_queue.ts 87 B / 104 B
edge-runtime/vendor/deno.land/[email protected]/node/internal_binding/tcp_wrap.ts 13.1 kB / 3.7 kB
edge-runtime/vendor/deno.land/[email protected]/node/internal_binding/timers.ts 87 B / 104 B
edge-runtime/vendor/deno.land/[email protected]/node/internal_binding/tls_wrap.ts 87 B / 104 B
edge-runtime/vendor/deno.land/[email protected]/node/internal_binding/trace_events.ts 87 B / 104 B
edge-runtime/vendor/deno.land/[email protected]/node/internal_binding/tty_wrap.ts 87 B / 104 B
edge-runtime/vendor/deno.land/[email protected]/node/internal_binding/types.ts 5.7 kB / 1.4 kB
edge-runtime/vendor/deno.land/[email protected]/node/internal_binding/udp_wrap.ts 12.4 kB / 3.6 kB
edge-runtime/vendor/deno.land/[email protected]/node/internal_binding/url.ts 87 B / 104 B
edge-runtime/vendor/deno.land/[email protected]/node/internal_binding/util.ts 4.0 kB / 1.8 kB
edge-runtime/vendor/deno.land/[email protected]/node/internal_binding/uv.ts 20.1 kB / 3.8 kB
edge-runtime/vendor/deno.land/[email protected]/node/internal_binding/v8.ts 87 B / 104 B
edge-runtime/vendor/deno.land/[email protected]/node/internal_binding/worker.ts 87 B / 104 B
edge-runtime/vendor/deno.land/[email protected]/node/internal_binding/zlib.ts 87 B / 104 B
edge-runtime/vendor/deno.land/[email protected]/node/internal/buffer.d.ts 73.6 kB / 12.1 kB
edge-runtime/vendor/deno.land/[email protected]/node/internal/buffer.mjs 66.1 kB / 10.6 kB
edge-runtime/vendor/deno.land/[email protected]/node/internal/crypto/_keys.ts 463 B / 262 B
edge-runtime/vendor/deno.land/[email protected]/node/internal/crypto/constants.ts 252 B / 173 B
edge-runtime/vendor/deno.land/[email protected]/node/internal/error_codes.ts 322 B / 250 B
edge-runtime/vendor/deno.land/[email protected]/node/internal/errors.ts 78.9 kB / 17.4 kB
edge-runtime/vendor/deno.land/[email protected]/node/internal/fixed_queue.ts 4.4 kB / 1.2 kB
edge-runtime/vendor/deno.land/[email protected]/node/internal/hide_stack_frames.ts 550 B / 377 B
edge-runtime/vendor/deno.land/[email protected]/node/internal/net.ts 3.1 kB / 1.5 kB
edge-runtime/vendor/deno.land/[email protected]/node/internal/normalize_encoding.mjs 2.1 kB / 500 B
edge-runtime/vendor/deno.land/[email protected]/node/internal/options.ts 1.7 kB / 959 B
edge-runtime/vendor/deno.land/[email protected]/node/internal/primordials.mjs 1.8 kB / 431 B
edge-runtime/vendor/deno.land/[email protected]/node/internal/process/per_thread.mjs 7.8 kB / 2.3 kB
edge-runtime/vendor/deno.land/[email protected]/node/internal/readline/callbacks.mjs 3.8 kB / 1.4 kB
edge-runtime/vendor/deno.land/[email protected]/node/internal/readline/utils.mjs 14.3 kB / 3.7 kB
edge-runtime/vendor/deno.land/[email protected]/node/internal/streams/destroy.mjs 6.9 kB / 1.8 kB
edge-runtime/vendor/deno.land/[email protected]/node/internal/streams/end-of-stream.mjs 7.1 kB / 1.9 kB
edge-runtime/vendor/deno.land/[email protected]/node/internal/streams/utils.mjs 5.9 kB / 1.2 kB
edge-runtime/vendor/deno.land/[email protected]/node/internal/util.mjs 4.0 kB / 1.4 kB
edge-runtime/vendor/deno.land/[email protected]/node/internal/util/comparisons.ts 16.6 kB / 3.8 kB
edge-runtime/vendor/deno.land/[email protected]/node/internal/util/debuglog.ts 3.2 kB / 1.4 kB
edge-runtime/vendor/deno.land/[email protected]/node/internal/util/inspect.mjs 71.5 kB / 19.8 kB
edge-runtime/vendor/deno.land/[email protected]/node/internal/util/types.ts 3.7 kB / 1.3 kB
edge-runtime/vendor/deno.land/[email protected]/node/internal/validators.mjs 8.0 kB / 2.1 kB
edge-runtime/vendor/deno.land/[email protected]/node/process.ts 19.4 kB / 5.2 kB
edge-runtime/vendor/deno.land/[email protected]/node/stream.ts 671 B / 346 B
edge-runtime/vendor/deno.land/[email protected]/node/string_decoder.ts 10.3 kB / 3.3 kB
edge-runtime/vendor/deno.land/[email protected]/node/util.ts 7.8 kB / 2.2 kB
edge-runtime/vendor/deno.land/[email protected]/node/util/types.ts 199 B / 153 B
edge-runtime/vendor/deno.land/[email protected]/path/_constants.ts 2.0 kB / 727 B
edge-runtime/vendor/deno.land/[email protected]/path/_interface.ts 728 B / 369 B
edge-runtime/vendor/deno.land/[email protected]/path/_util.ts 5.0 kB / 1.6 kB
edge-runtime/vendor/deno.land/[email protected]/path/common.ts 1.2 kB / 607 B
edge-runtime/vendor/deno.land/[email protected]/path/glob.ts 12.7 kB / 3.9 kB
edge-runtime/vendor/deno.land/[email protected]/path/mod.ts 1.4 kB / 690 B
edge-runtime/vendor/deno.land/[email protected]/path/posix.ts 13.9 kB / 3.7 kB
edge-runtime/vendor/deno.land/[email protected]/path/separator.ts 259 B / 209 B
edge-runtime/vendor/deno.land/[email protected]/path/win32.ts 28.5 kB / 6.4 kB
edge-runtime/vendor/deno.land/[email protected]/streams/write_all.ts 2.2 kB / 598 B
edge-runtime/vendor/deno.land/[email protected]/testing/_diff.ts 11.6 kB / 3.6 kB
edge-runtime/vendor/deno.land/[email protected]/testing/_format.ts 705 B / 462 B
edge-runtime/vendor/deno.land/[email protected]/testing/asserts.ts 25.5 kB / 5.7 kB
edge-runtime/vendor/deno.land/[email protected]/types.d.ts 4.2 kB / 1.2 kB
edge-runtime/vendor/deno.land/x/[email protected]/pkg/htmlrewriter_bg.wasm 573.2 kB / 262.7 kB
edge-runtime/vendor/deno.land/x/[email protected]/pkg/htmlrewriter.js 31.0 kB / 4.7 kB
edge-runtime/vendor/deno.land/x/[email protected]/src/index.ts 2.6 kB / 989 B
edge-runtime/vendor/deno.land/x/[email protected]/src/types.d.ts 2.1 kB / 446 B
edge-runtime/vendor/deno.land/x/[email protected]/index.ts 15.4 kB / 4.2 kB
edge-runtime/vendor/import_map.json 148 B / 111 B
edge-runtime/vendor/v1-7-0--edge-utils.netlify.app/logger/logger.ts 3.2 kB / 747 B
edge-runtime/vendor/v1-7-0--edge-utils.netlify.app/logger/mod.ts 29 B / 49 B
LICENSE 1.1 kB / 661 B
manifest.yml 31 B / 51 B
package.json 3.2 kB / 1.2 kB
README.md 2.8 kB / 1.2 kB

🤖 This report was automatically generated by pkg-size-action

@mrstork mrstork force-pushed the single-edge-entrypoint branch 2 times, most recently from 2e0b97a to 179a473 Compare April 22, 2025 18:11
mrstork
mrstork commented Apr 22, 2025
View reviewed changes
@mrstork mrstork marked this pull request as ready for review April 23, 2025 03:46
@mrstork mrstork marked this pull request as draft April 23, 2025 04:32
@mrstork mrstork marked this pull request as ready for review April 23, 2025 17:00
@mrstork mrstork force-pushed the single-edge-entrypoint branch from 384fde1 to cc24880 Compare April 23, 2025 17:09
@mrstork mrstork closed this Apr 24, 2025
@mrstork mrstork deleted the single-edge-entrypoint branch April 24, 2025 16:58
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Appending set-cookie header in middleware leads to duplicate header
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