From c7b874447f4d4a2223e718f1cf6c7d4b09537eab Mon Sep 17 00:00:00 2001
From: Jarred Sumner <jarred@jarredsumner.com>
Date: Mon, 9 Sep 2024 17:17:52 -0700
Subject: [PATCH] Add missing timers.promises (#13834)

Co-authored-by: Jarred-Sumner <Jarred-Sumner@users.noreply.github.com>
---
 src/js/node/timers.ts                   | 32 ++++++++++++++++++++++++-
 test/js/node/timers/node-timers.test.ts |  7 +++++-
 2 files changed, 37 insertions(+), 2 deletions(-)

diff --git a/src/js/node/timers.ts b/src/js/node/timers.ts
index 7bbe39b921..91f8eb1609 100644
--- a/src/js/node/timers.ts
+++ b/src/js/node/timers.ts
@@ -1,4 +1,4 @@
-// Hardcoded module "node:timers"
+const { throwNotImplemented } = require("internal/shared");
 const { defineCustomPromisify } = require("internal/promisify");
 
 // Lazily load node:timers/promises promisified functions onto the global timers.
@@ -26,6 +26,7 @@ const { defineCustomPromisify } = require("internal/promisify");
     });
   }
 }
+var timersPromisesValue;
 
 export default {
   setTimeout,
@@ -34,4 +35,33 @@ export default {
   setImmediate,
   clearInterval,
   clearImmediate,
+  get promises() {
+    return (timersPromisesValue ??= require("node:timers/promises"));
+  },
+  set promises(value) {
+    timersPromisesValue = value;
+  },
+  active(timer) {
+    if ($isCallable(timer?.refresh)) {
+      timer.refresh();
+    } else {
+      throwNotImplemented("'timers.active'");
+    }
+  },
+  unenroll(timer) {
+    if ($isCallable(timer?.refresh)) {
+      clearTimeout(timer);
+      return;
+    }
+
+    throwNotImplemented("'timers.unenroll'");
+  },
+  enroll(timer, msecs) {
+    if ($isCallable(timer?.refresh)) {
+      timer.refresh();
+      return;
+    }
+
+    throwNotImplemented("'timers.enroll'");
+  },
 };
diff --git a/test/js/node/timers/node-timers.test.ts b/test/js/node/timers/node-timers.test.ts
index 04623549c6..912365986a 100644
--- a/test/js/node/timers/node-timers.test.ts
+++ b/test/js/node/timers/node-timers.test.ts
@@ -1,5 +1,5 @@
 import { describe, expect, it, test } from "bun:test";
-import { clearInterval, clearTimeout, setInterval, setTimeout } from "node:timers";
+import { clearInterval, clearTimeout, promises, setInterval, setTimeout } from "node:timers";
 import { promisify } from "util";
 
 for (const fn of [setTimeout, setInterval]) {
@@ -52,3 +52,8 @@ it("node.js util.promisify(setImmediate) works", async () => {
     });
   }).toThrow("TestPassed");
 });
+
+it("timers.promises === timers/promises", async () => {
+  const ns = await import("node:timers/promises");
+  expect(ns.default).toBe(promises);
+});