src/worker/WorkerTypes.ts

   1 import type { Worker } from 'node:worker_threads';
   2
   3 import { type PoolEvent, PoolEvents, type PoolOptions } from 'poolifier';
   4
   5 export enum WorkerProcessType {
   6   workerSet = 'workerSet',
   7   dynamicPool = 'dynamicPool',
   8   staticPool = 'staticPool',
   9 }
  10
  11 export type SetInfo = {
  12   size: number;
  13   runningElements: number;
  14   elementsPerWorker: number;
  15 };
  16
  17 export enum WorkerSetEvents {
  18   error = 'error',
  19 }
  20
  21 export const WorkerEvents = {
  22   ...PoolEvents,
  23   ...WorkerSetEvents,
  24 } as const;
  25 export type WorkerEvents = PoolEvent | WorkerSetEvents;
  26
  27 export type MessageHandler<T> = (this: T, message: unknown) => void;
  28
  29 export type WorkerOptions = {
  30   workerStartDelay?: number;
  31   elementStartDelay?: number;
  32   poolMaxSize: number;
  33   poolMinSize: number;
  34   elementsPerWorker?: number;
  35   poolOptions?: PoolOptions<Worker>;
  36   messageHandler?: MessageHandler<Worker>;
  37 };
  38
  39 export type WorkerData = Record<string, unknown>;
  40
  41 export type WorkerSetElement = {
  42   worker: Worker;
  43   numberOfWorkerElements: number;
  44 };
  45
  46 export type WorkerMessage<T extends WorkerData> = {
  47   id: WorkerMessageEvents;
  48   data: T;
  49 };
  50
  51 export enum WorkerMessageEvents {
  52   startWorkerElement = 'startWorkerElement',
  53 }