refactor(ext/http): bring back 'reusePort' option for 'Deno.serve()' (#18590)

Closes https://github.com/denoland/deno/issues/18582

2 files changed, 4 insertions, 1 deletions

diff --git a/cli/tests/unit/serve_test.ts b/cli/tests/unit/serve_test.ts
index 00282d521..32d436d04 100644
--- a/cli/tests/unit/serve_test.ts
+++ b/cli/tests/unit/serve_test.ts
@@ -946,6 +946,7 @@ Deno.test(
       signal: ac.signal,
       onListen: onListen(listeningPromise),
       onError: createOnErrorCb(ac),
+      reusePort: true,
     });
 
     await listeningPromise;
diff --git a/ext/http/01_http.js b/ext/http/01_http.js
index f434acd3c..d0aefc0c3 100644
--- a/ext/http/01_http.js
+++ b/ext/http/01_http.js
@@ -657,7 +657,7 @@ async function serve(arg1, arg2) {
   const listenOpts = {
     hostname: options.hostname ?? "127.0.0.1",
     port: options.port ?? 9000,
-    reuseport: options.reusePort ?? false,
+    reusePort: options.reusePort ?? false,
   };
 
   if (options.cert || options.key) {
@@ -677,11 +677,13 @@ async function serve(arg1, arg2) {
       port: listenOpts.port,
       cert: listenOpts.cert,
       key: listenOpts.key,
+      reusePort: listenOpts.reusePort,
     });
   } else {
     listener = listen({
       hostname: listenOpts.hostname,
       port: listenOpts.port,
+      reusePort: listenOpts.reusePort,
     });
   }