import { ClusterWorker } from 'poolifier'
import { type RawData, WebSocketServer } from 'ws'
+
import {
type DataPayload,
type MessagePayload,
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
+ const { port } = workerData!
WebSocketServerWorker.wss = new WebSocketServer({ port }, () => {
console.info(
break
case MessageType.factorial:
ws.send(
- JSON.stringify({
- type: MessageType.factorial,
- data: { number: factorial(data.number as number) }
- })
+ JSON.stringify(
+ {
+ type: MessageType.factorial,
+ data: {
+ number: WebSocketServerWorker.factorial(data.number!)
+ }
+ },
+ (_, v) => (typeof v === 'bigint' ? v.toString() : v)
+ )
)
break
}