feat: support multiple functions per worker

[poolifier.git] / src / worker / cluster-worker.ts

diff --git a/src/worker/cluster-worker.ts b/src/worker/cluster-worker.ts
index 9402ec1044e51ce9a42c8717e3c6c506dda1ac10..49b0f984f3ca7a42721a79452da29eab34f09f22 100644 (file)
--- a/src/worker/cluster-worker.ts
+++ b/src/worker/cluster-worker.ts
@@ -1,6 +1,10 @@
-import type { Worker } from 'cluster'
-import { isMaster, worker } from 'cluster'
-import type { JSONValue, MessageValue } from '../utility-types'
+import type { Worker } from 'node:cluster'
+import cluster from 'node:cluster'
+import type {
+  MessageValue,
+  TaskFunctions,
+  WorkerFunction
+} from '../utility-types'
 import { AbstractWorker } from './abstract-worker'
 import type { WorkerOptions } from './worker-options'
 
@@ -13,50 +17,42 @@ import type { WorkerOptions } from './worker-options'
  * If you use a `DynamicClusterPool` the extra workers that were created will be terminated,
  * but the minimum number of workers will be guaranteed.
  *
- * @template Data Type of data this worker receives from pool's execution.
- * @template Response Type of response the worker sends back to the main worker.
- *
+ * @typeParam Data - Type of data this worker receives from pool's execution. This can only be serializable data.
+ * @typeParam Response - Type of response the worker sends back to the main worker. This can only be serializable data.
  * @author [Christopher Quadflieg](https://github.com/Shinigami92)
  * @since 2.0.0
  */
 export class ClusterWorker<
-  Data extends JSONValue = JSONValue,
-  Response extends JSONValue = JSONValue
+  Data = unknown,
+  Response = unknown
 > extends AbstractWorker<Worker, Data, Response> {
   /**
    * Constructs a new poolifier cluster worker.
    *
-   * @param fn Function processed by the worker when the pool's `execution` function is invoked.
-   * @param opts Options for the worker.
+   * @param taskFunctions - Task function(s) processed by the worker when the pool's `execution` function is invoked.
+   * @param opts - Options for the worker.
    */
-  public constructor (fn: (data: Data) => Response, opts: WorkerOptions = {}) {
-    super('worker-cluster-pool:pioardi', isMaster, fn, opts)
-
-    worker.on('message', (value: MessageValue<Data>) => {
-      if (value?.data && value.id) {
-        // here you will receive messages
-        // console.log('This is the main worker ' + isMaster)
-        if (this.async) {
-          this.runInAsyncScope(this.runAsync.bind(this), this, fn, value)
-        } else {
-          this.runInAsyncScope(this.run.bind(this), this, fn, value)
-        }
-      } else if (value.kill) {
-        // here is time to kill this worker, just clearing the interval
-        if (this.interval) clearInterval(this.interval)
-        this.emitDestroy()
-      }
-    })
-  }
-
-  protected getMainWorker (): Worker {
-    return worker
+  public constructor (
+    taskFunctions:
+    | WorkerFunction<Data, Response>
+    | TaskFunctions<Data, Response>,
+    opts: WorkerOptions = {}
+  ) {
+    super(
+      'worker-cluster-pool:poolifier',
+      cluster.isPrimary,
+      taskFunctions,
+      cluster.worker,
+      opts
+    )
   }
 
+  /** @inheritDoc */
   protected sendToMainWorker (message: MessageValue<Response>): void {
     this.getMainWorker().send(message)
   }
 
+  /** @inheritDoc */
   protected handleError (e: Error | string): string {
     return e instanceof Error ? e.message : e
   }