build(deps-dev): apply updates

[poolifier.git] / examples / typescript / websocket-server-pool / ws-cluster / src / worker.ts

diff --git a/examples/typescript/websocket-server-pool/ws-cluster/src/worker.ts b/examples/typescript/websocket-server-pool/ws-cluster/src/worker.ts
index 56060b2d28b043d40eb3dad1cf4f7ed52d33db8b..9ec81eb5db8b8c8fc5b7b5d4ad94d522629df89c 100644 (file)
--- a/examples/typescript/websocket-server-pool/ws-cluster/src/worker.ts
+++ b/examples/typescript/websocket-server-pool/ws-cluster/src/worker.ts
@@ -1,5 +1,6 @@
 import { ClusterWorker } from 'poolifier'
 import { type RawData, WebSocketServer } from 'ws'
+
 import {
   type DataPayload,
   type MessagePayload,
@@ -8,24 +9,28 @@ import {
   type WorkerResponse
 } from './types.js'
 
-const factorial: (n: number) => number = n => {
-  if (n === 0) {
-    return 1
+class WebSocketServerWorker extends ClusterWorker<WorkerData, WorkerResponse> {
+  private static wss: WebSocketServer
+
+  private static readonly factorial = (n: number): number => {
+    if (n === 0) {
+      return 1
+    }
+    return WebSocketServerWorker.factorial(n - 1) * n
   }
-  return factorial(n - 1) * n
-}
 
-const startWebSocketServer = (workerData?: WorkerData): WorkerResponse => {
-  try {
-    const wss = new WebSocketServer({ port: workerData?.port }, () => {
+  private static readonly startWebSocketServer = (
+    workerData?: WorkerData
+  ): WorkerResponse => {
+    const { port } = workerData!
+
+    WebSocketServerWorker.wss = new WebSocketServer({ port }, () => {
       console.info(
-        `⚡️[ws server]: WebSocket server is started on worker at ws://localhost:${
-          workerData?.port as number
-        }/`
+        `⚡️[ws server]: WebSocket server is started in cluster worker at ws://localhost:${port}/`
       )
     })
 
-    wss.on('connection', ws => {
+    WebSocketServerWorker.wss.on('connection', ws => {
       ws.on('error', console.error)
       ws.on('message', (message: RawData) => {
         const { type, data } = JSON.parse(
@@ -45,7 +50,9 @@ const startWebSocketServer = (workerData?: WorkerData): WorkerResponse => {
             ws.send(
               JSON.stringify({
                 type: MessageType.factorial,
-                data: { number: factorial(data.number as number) }
+                data: {
+                  number: WebSocketServerWorker.factorial(data.number!)
+                }
               })
             )
             break
@@ -54,19 +61,16 @@ const startWebSocketServer = (workerData?: WorkerData): WorkerResponse => {
     })
     return {
       status: true,
-      port: wss.options.port
-    }
-  } catch (err) {
-    return {
-      status: false,
-      error: err as Error
+      port: WebSocketServerWorker.wss.options.port
     }
   }
-}
 
-class WebSocketServerWorker extends ClusterWorker<WorkerData, WorkerResponse> {
   public constructor () {
-    super(startWebSocketServer)
+    super(WebSocketServerWorker.startWebSocketServer, {
+      killHandler: () => {
+        WebSocketServerWorker.wss.close()
+      }
+    })
   }
 }