build: fix eslint configuration with type checking

[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 efe0facdc900b96ae4b4d49d36da3729a598147a..a3ab5e28f04b458c68493faadd9125243c2b5b1d 100644 (file)
--- a/examples/typescript/websocket-server-pool/ws-cluster/src/worker.ts
+++ b/examples/typescript/websocket-server-pool/ws-cluster/src/worker.ts
@@ -1,38 +1,46 @@
 import { ClusterWorker } from 'poolifier'
 import { type RawData, WebSocketServer } from 'ws'
+
 import {
   type DataPayload,
   type MessagePayload,
   MessageType,
   type WorkerData,
-  type WorkerResponse
+  type WorkerResponse,
 } from './types.js'
 
-const factorial: (n: number) => number = (n) => {
-  if (n === 0) {
-    return 1
-  }
-  return factorial(n - 1) * n
-}
-
 class WebSocketServerWorker extends ClusterWorker<WorkerData, WorkerResponse> {
   private static wss: WebSocketServer
 
+  private static readonly factorial = (n: number | bigint): bigint => {
+    if (n === 0 || n === 1) {
+      return 1n
+    } else {
+      n = BigInt(n)
+      let factorial = 1n
+      for (let i = 1n; i <= n; i++) {
+        factorial *= i
+      }
+      return factorial
+    }
+  }
+
   private static readonly startWebSocketServer = (
     workerData?: WorkerData
   ): WorkerResponse => {
-    const { port } = workerData as WorkerData
+    // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+    const { port } = workerData!
+
     WebSocketServerWorker.wss = new WebSocketServer({ port }, () => {
       console.info(
         `⚡️[ws server]: WebSocket server is started in cluster worker at ws://localhost:${port}/`
       )
     })
 
-    WebSocketServerWorker.wss.on('connection', (ws) => {
+    WebSocketServerWorker.wss.on('connection', ws => {
       ws.on('error', console.error)
       ws.on('message', (message: RawData) => {
         const { type, data } = JSON.parse(
-          // eslint-disable-next-line @typescript-eslint/no-base-to-string
           message.toString()
         ) as MessagePayload<DataPayload>
         switch (type) {
@@ -40,16 +48,22 @@ class WebSocketServerWorker extends ClusterWorker<WorkerData, WorkerResponse> {
             ws.send(
               JSON.stringify({
                 type: MessageType.echo,
-                data
+                data,
               })
             )
             break
           case MessageType.factorial:
             ws.send(
-              JSON.stringify({
-                type: MessageType.factorial,
-                data: { number: factorial(data.number as number) }
-              })
+              JSON.stringify(
+                {
+                  type: MessageType.factorial,
+                  data: {
+                    // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+                    number: WebSocketServerWorker.factorial(data.number!),
+                  },
+                },
+                (_, v) => (typeof v === 'bigint' ? v.toString() : v)
+              )
             )
             break
         }
@@ -57,12 +71,16 @@ class WebSocketServerWorker extends ClusterWorker<WorkerData, WorkerResponse> {
     })
     return {
       status: true,
-      port: WebSocketServerWorker.wss.options.port
+      port: WebSocketServerWorker.wss.options.port,
     }
   }
 
   public constructor () {
-    super(WebSocketServerWorker.startWebSocketServer)
+    super(WebSocketServerWorker.startWebSocketServer, {
+      killHandler: () => {
+        WebSocketServerWorker.wss.close()
+      },
+    })
   }
 }