From dda63287456aae5cd4f7f428e23b52cb8c0005e5 Mon Sep 17 00:00:00 2001
From: Yoshiya Hinosawa <stibium121@gmail.com>
Date: Thu, 5 Sep 2024 21:21:29 +0900
Subject: [PATCH] fix(ext/node): stub `process.cpuUsage()` (#25462)

closes #23401
---
 ext/node/polyfills/process.ts   | 8 ++++++++
 tests/unit_node/process_test.ts | 6 ++++++
 2 files changed, 14 insertions(+)

diff --git a/ext/node/polyfills/process.ts b/ext/node/polyfills/process.ts
index f09d7ceede..f84255814e 100644
--- a/ext/node/polyfills/process.ts
+++ b/ext/node/polyfills/process.ts
@@ -430,6 +430,14 @@ Process.prototype.config = {
   },
 };
 
+Process.prototype.cpuUsage = function () {
+  warnNotImplemented("process.cpuUsage()");
+  return {
+    user: 0,
+    system: 0,
+  };
+};
+
 /** https://nodejs.org/api/process.html#process_process_cwd */
 Process.prototype.cwd = cwd;
 
diff --git a/tests/unit_node/process_test.ts b/tests/unit_node/process_test.ts
index 962877935b..b3db9753e2 100644
--- a/tests/unit_node/process_test.ts
+++ b/tests/unit_node/process_test.ts
@@ -1131,3 +1131,9 @@ Deno.test(function importedExecArgvTest() {
 Deno.test(function importedExecPathTest() {
   assertEquals(importedExecPath, Deno.execPath());
 });
+
+Deno.test("process.cpuUsage()", () => {
+  const cpuUsage = process.cpuUsage();
+  assert(typeof cpuUsage.user === "number");
+  assert(typeof cpuUsage.system === "number");
+});