fix(node/util): add missing `debug` alias of `debuglog` (#24944)

Add the missing `node:util.debug` export which is an alias of
`node:util.debuglog`, see
https://nodejs.org/api/util.html#utildebugsection

2 files changed, 10 insertions, 0 deletions

diff --git a/ext/node/polyfills/util.ts b/ext/node/polyfills/util.ts
index 0c150301a..eee171ccf 100644
--- a/ext/node/polyfills/util.ts
+++ b/ext/node/polyfills/util.ts
@@ -47,6 +47,7 @@ import { parseArgs } from "ext:deno_node/internal/util/parse_args/parse_args.js"
 export {
   callbackify,
   debuglog,
+  debuglog as debug,
   format,
   formatWithOptions,
   inspect,
@@ -321,5 +322,6 @@ export default {
   toUSVString,
   log,
   debuglog,
+  debug: debuglog,
   isDeepStrictEqual,
 };
diff --git a/tests/unit_node/util_test.ts b/tests/unit_node/util_test.ts
index f245a647a..2b639538c 100644
--- a/tests/unit_node/util_test.ts
+++ b/tests/unit_node/util_test.ts
@@ -8,6 +8,7 @@ import {
 } from "@std/assert";
 import { stripAnsiCode } from "@std/fmt/colors";
 import * as util from "node:util";
+import utilDefault from "node:util";
 import { Buffer } from "node:buffer";
 
 Deno.test({
@@ -322,3 +323,10 @@ Deno.test({
     util.parseArgs({});
   },
 });
+
+Deno.test("[util] debuglog() and debug()", () => {
+  assert(typeof util.debug === "function");
+  assert(typeof util.debuglog === "function");
+  assertEquals(util.debuglog, util.debug);
+  assertEquals(utilDefault.debuglog, utilDefault.debug);
+});