From b8a2a11c6fdb43c9769032bb4efab5ec27df1e58 Mon Sep 17 00:00:00 2001
From: Meghan Denny <meghan@bun.sh>
Date: Wed, 2 Oct 2024 02:30:19 -0700
Subject: [PATCH] lazy load these requires so that node:cluster imports faster
 (#14291)

---
 src/js/internal/cluster/RoundRobinHandle.ts | 4 +++-
 src/js/internal/cluster/primary.ts          | 4 +++-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/js/internal/cluster/RoundRobinHandle.ts b/src/js/internal/cluster/RoundRobinHandle.ts
index 2184cc04680b17..53305e9336062c 100644
--- a/src/js/internal/cluster/RoundRobinHandle.ts
+++ b/src/js/internal/cluster/RoundRobinHandle.ts
@@ -1,7 +1,8 @@
-const net = require("node:net");
 const { append, init, isEmpty, peek, remove } = require("internal/linkedlist");
 const { kHandle } = require("internal/shared");
 
+let net;
+
 const sendHelper = $newZigFunction("node_cluster_binding.zig", "sendHelperPrimary", 4);
 
 const ArrayIsArray = Array.isArray;
@@ -20,6 +21,7 @@ export default class RoundRobinHandle {
   server;
 
   constructor(key, address, { port, fd, flags, backlog, readableAll, writableAll }) {
+    net ??= require("node:net");
     this.key = key;
     this.all = new Map();
     this.free = new Map();
diff --git a/src/js/internal/cluster/primary.ts b/src/js/internal/cluster/primary.ts
index e3a0d4f84492b9..315d13e0a654b5 100644
--- a/src/js/internal/cluster/primary.ts
+++ b/src/js/internal/cluster/primary.ts
@@ -1,5 +1,4 @@
 const EventEmitter = require("node:events");
-const child_process = require("node:child_process");
 const Worker = require("internal/cluster/Worker");
 const RoundRobinHandle = require("internal/cluster/RoundRobinHandle");
 const path = require("node:path");
@@ -8,6 +7,8 @@ const { throwNotImplemented, kHandle } = require("internal/shared");
 const sendHelper = $newZigFunction("node_cluster_binding.zig", "sendHelperPrimary", 4);
 const onInternalMessage = $newZigFunction("node_cluster_binding.zig", "onInternalMessagePrimary", 3);
 
+let child_process;
+
 const ArrayPrototypeSlice = Array.prototype.slice;
 const ObjectValues = Object.values;
 const ObjectKeys = Object.keys;
@@ -86,6 +87,7 @@ function createWorkerProcess(id, env) {
   //   ArrayPrototypePush(execArgv, `--inspect-port=${getInspectPort(cluster.settings.inspectPort)}`);
   // }
 
+  child_process ??= require("node:child_process");
   return child_process.fork(cluster.settings.exec, cluster.settings.args, {
     cwd: cluster.settings.cwd,
     env: workerEnv,