From f5d749d922e6434b876ac322ce0c1aeb9af1078c Mon Sep 17 00:00:00 2001
From: Luca Casonato <hello@lcas.dev>
Date: Sun, 9 Jun 2024 02:03:07 +0200
Subject: [PATCH] fix(ext/http): print `[]` around ipv6 addresses (#24150)

---
 ext/http/00_serve.ts | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/ext/http/00_serve.ts b/ext/http/00_serve.ts
index 1f83ce73d1..7c665ac154 100644
--- a/ext/http/00_serve.ts
+++ b/ext/http/00_serve.ts
@@ -34,6 +34,7 @@ const {
   ObjectPrototypeIsPrototypeOf,
   PromisePrototypeCatch,
   PromisePrototypeThen,
+  StringPrototypeIncludes,
   Symbol,
   TypeError,
   TypedArrayPrototypeGetSymbolToStringTag,
@@ -656,14 +657,19 @@ function serve(arg1, arg2) {
   // If the hostname is "0.0.0.0", we display "localhost" in console
   // because browsers in Windows don't resolve "0.0.0.0".
   // See the discussion in https://github.com/denoland/deno_std/issues/1165
-  const hostname = addr.hostname == "0.0.0.0" ? "localhost" : addr.hostname;
+  const hostname = addr.hostname == "0.0.0.0" || addr.hostname == "::"
+    ? "localhost"
+    : addr.hostname;
   addr.hostname = hostname;
 
   const onListen = (scheme) => {
     if (options.onListen) {
       options.onListen(addr);
     } else {
-      console.log(`Listening on ${scheme}${addr.hostname}:${addr.port}/`);
+      const host = StringPrototypeIncludes(addr.hostname, ":")
+        ? `[${addr.hostname}]`
+        : addr.hostname;
+      console.log(`Listening on ${scheme}${host}:${addr.port}/`);
     }
   };