examples/typescript/http-server-pool/fastify-worker_threads/src/worker.ts

   1 import { ThreadWorker } from 'poolifier'
   2
   3 import type { BodyPayload, WorkerData, WorkerResponse } from './types.js'
   4
   5 class RequestHandlerWorker<
   6   Data extends WorkerData<BodyPayload>,
   7   Response extends WorkerResponse<BodyPayload>
   8 > extends ThreadWorker<Data, Response> {
   9   private static readonly factorial: (n: number | bigint) => bigint = n => {
  10     if (n === 0 || n === 1) {
  11       return 1n
  12     } else {
  13       n = BigInt(n)
  14       let factorial = 1n
  15       for (let i = 1n; i <= n; i++) {
  16         factorial *= i
  17       }
  18       return factorial
  19     }
  20   }
  21
  22   public constructor () {
  23     super({
  24       echo: (workerData?: Data) => {
  25         return workerData as unknown as Response
  26       },
  27       factorial: (workerData?: Data) => {
  28         return {
  29           body: {
  30             number: RequestHandlerWorker.factorial(
  31               workerData!.body.number!
  32             ).toString()
  33           }
  34         } as unknown as Response
  35       }
  36     })
  37   }
  38 }
  39
  40 export const requestHandlerWorker = new RequestHandlerWorker<
  41 WorkerData<BodyPayload>,
  42 WorkerResponse<BodyPayload>
  43 >()