1 files changed, 69 insertions, 0 deletions
diff --git a/ext/node/polyfills/cluster.ts b/ext/node/polyfills/cluster.ts
new file mode 100644
index 000000000..70d70384f
--- /dev/null
+++ b/ext/node/polyfills/cluster.ts
@@ -0,0 +1,69 @@
+// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
+// Copyright Joyent and Node contributors. All rights reserved. MIT license.
+
+import { notImplemented } from "internal:deno_node/polyfills/_utils.ts";
+
+/** A Worker object contains all public information and method about a worker.
+ * In the primary it can be obtained using cluster.workers. In a worker it can
+ * be obtained using cluster.worker.
+ */
+export class Worker {
+  constructor() {
+    notImplemented("cluster.Worker.prototype.constructor");
+  }
+}
+/** Calls .disconnect() on each worker in cluster.workers. */
+export function disconnected() {
+  notImplemented("cluster.disconnected");
+}
+/** Spawn a new worker process. */
+export function fork() {
+  notImplemented("cluster.fork");
+}
+/** True if the process is a primary. This is determined by
+ * the process.env.NODE_UNIQUE_ID. If process.env.NODE_UNIQUE_ID is undefined,
+ * then isPrimary is true. */
+export const isPrimary = undefined;
+/** True if the process is not a primary (it is the negation of
+ * cluster.isPrimary). */
+export const isWorker = undefined;
+/** Deprecated alias for cluster.isPrimary. details. */
+export const isMaster = isPrimary;
+/** The scheduling policy, either cluster.SCHED_RR for round-robin or
+ * cluster.SCHED_NONE to leave it to the operating system. This is a global
+ * setting and effectively frozen once either the first worker is spawned, or
+ * .setupPrimary() is called, whichever comes first. */
+export const schedulingPolicy = undefined;
+/** The settings object */
+export const settings = undefined;
+/** Deprecated alias for .setupPrimary(). */
+export function setupMaster() {
+  notImplemented("cluster.setupMaster");
+}
+/** setupPrimary is used to change the default 'fork' behavior. Once called,
+ * the settings will be present in cluster.settings. */
+export function setupPrimary() {
+  notImplemented("cluster.setupPrimary");
+}
+/** A reference to the current worker object. Not available in the primary
+ * process. */
+export const worker = undefined;
+/** A hash that stores the active worker objects, keyed by id field. Makes it
+ * easy to loop through all the workers. It is only available in the primary
+ * process. */
+export const workers = undefined;
+
+export default {
+  Worker,
+  disconnected,
+  fork,
+  isPrimary,
+  isWorker,
+  isMaster,
+  schedulingPolicy,
+  settings,
+  setupMaster,
+  setupPrimary,
+  worker,
+  workers,
+};