fix: enforce a single edge entrypoint for next edge handler

package.json

@@ -52,7 +52,7 @@
     "@netlify/blobs": "^8.2.0",
     "@netlify/build": "^32.1.0",
     "@netlify/edge-bundler": "^13.0.2",
-    "@netlify/edge-functions": "^2.11.1",
+    "@netlify/edge-functions": "^2.12.0",
     "@netlify/eslint-config-node": "^7.0.1",
     "@netlify/functions": "^3.0.4",
     "@netlify/serverless-functions-api": "^1.38.0",

run-local-test.sh

@@ -18,4 +18,3 @@ cd ../next.js/
 git apply $RUNTIME_DIR/tests/e2e-utils.patch || git apply $RUNTIME_DIR/tests/e2e-utils-v2.patch
 node run-tests.js --type e2e --debug --test-pattern $1
 git checkout -- test/lib/e2e-utils.ts
-

src/build/functions/edge.ts

@@ -160,21 +160,25 @@ const getHandlerName = ({ name }: Pick<NextDefinition, 'name'>): string =>
 const buildHandlerDefinition = (
   ctx: PluginContext,
   { name, matchers, page }: NextDefinition,
-): Array<ManifestFunction> => {
-  const fun = getHandlerName({ name })
-  const funName = name.endsWith('middleware')
+): ManifestFunction => {
+  const functionHandlerName = getHandlerName({ name })
+  const functionName = name.endsWith('middleware')
     ? 'Next.js Middleware Handler'
     : `Next.js Edge Handler: ${page}`
   const cache = name.endsWith('middleware') ? undefined : ('manual' as const)
   const generator = `${ctx.pluginName}@${ctx.pluginVersion}`
-
-  return augmentMatchers(matchers, ctx).map((matcher) => ({
-    function: fun,
-    name: funName,
-    pattern: matcher.regexp,
+  const i18nAugmentedMatchers = augmentMatchers(matchers, ctx)
+  const combinedEdgeHandlerRegex = i18nAugmentedMatchers
+    .map((matcher) => `(${matcher.regexp})`)
+    .join('|')
+
+  return {
+    function: functionHandlerName,
+    name: functionName,
+    pattern: combinedEdgeHandlerRegex,
     cache,
     generator,
-  }))
+  }
 }
 
 export const clearStaleEdgeHandlers = async (ctx: PluginContext) => {
@@ -183,10 +187,7 @@ export const clearStaleEdgeHandlers = async (ctx: PluginContext) => {
 
 export const createEdgeHandlers = async (ctx: PluginContext) => {
   const nextManifest = await ctx.getMiddlewareManifest()
-  const nextDefinitions = [
-    ...Object.values(nextManifest.middleware),
-    // ...Object.values(nextManifest.functions)
-  ]
+  const nextDefinitions = [...Object.values(nextManifest.middleware)]
   await Promise.all(nextDefinitions.map((def) => createEdgeHandler(ctx, def)))
 
   const netlifyDefinitions = nextDefinitions.flatMap((def) => buildHandlerDefinition(ctx, def))

tests/prepare.mjs

@@ -1,7 +1,7 @@
 // @ts-check
 // this installs and builds all the fixtures
 // Needed to run before executing the integration tests
-import { existsSync, readdirSync } from 'node:fs'
+import { readdirSync } from 'node:fs'
 import { rm, readFile } from 'node:fs/promises'
 import { join } from 'node:path'
 import { argv } from 'node:process'