-import { type Worker, isMainThread } from 'node:worker_threads';
-
-import type { PoolOptions } from 'poolifier';
+import { isMainThread } from 'node:worker_threads';
import type { WorkerAbstract } from './WorkerAbstract';
import { WorkerConstants } from './WorkerConstants';
import { WorkerStaticPool } from './WorkerStaticPool';
import { type WorkerData, type WorkerOptions, WorkerProcessType } from './WorkerTypes';
+const DEFAULT_WORKER_OPTIONS: WorkerOptions = {
+ workerStartDelay: WorkerConstants.DEFAULT_WORKER_START_DELAY,
+ elementStartDelay: WorkerConstants.DEFAULT_ELEMENT_START_DELAY,
+ poolMinSize: WorkerConstants.DEFAULT_POOL_MIN_SIZE,
+ poolMaxSize: WorkerConstants.DEFAULT_POOL_MAX_SIZE,
+ elementsPerWorker: WorkerConstants.DEFAULT_ELEMENTS_PER_WORKER,
+ poolOptions: {},
+};
+
export class WorkerFactory {
private constructor() {
// This is intentional
public static getWorkerImplementation<T extends WorkerData>(
workerScript: string,
workerProcessType: WorkerProcessType,
- workerOptions?: WorkerOptions
+ workerOptions?: WorkerOptions,
): WorkerAbstract<T> | null {
if (!isMainThread) {
throw new Error('Cannot get a worker implementation outside the main thread');
}
- workerOptions = workerOptions ?? ({} as WorkerOptions);
- workerOptions.workerStartDelay =
- workerOptions?.workerStartDelay ?? WorkerConstants.DEFAULT_WORKER_START_DELAY;
- workerOptions.elementStartDelay =
- workerOptions?.elementStartDelay ?? WorkerConstants.DEFAULT_ELEMENT_START_DELAY;
- workerOptions.poolOptions = workerOptions?.poolOptions ?? ({} as PoolOptions<Worker>);
- workerOptions?.messageHandler &&
- (workerOptions.poolOptions.messageHandler = workerOptions.messageHandler);
+ workerOptions = { ...DEFAULT_WORKER_OPTIONS, ...workerOptions };
let workerImplementation: WorkerAbstract<T> | null = null;
switch (workerProcessType) {
case WorkerProcessType.workerSet:
- workerOptions.elementsPerWorker =
- workerOptions?.elementsPerWorker ?? WorkerConstants.DEFAULT_ELEMENTS_PER_WORKER;
workerImplementation = new WorkerSet(workerScript, workerOptions);
break;
case WorkerProcessType.staticPool:
- workerOptions.poolMaxSize =
- workerOptions?.poolMaxSize ?? WorkerConstants.DEFAULT_POOL_MAX_SIZE;
workerImplementation = new WorkerStaticPool(workerScript, workerOptions);
break;
case WorkerProcessType.dynamicPool:
- workerOptions.poolMinSize =
- workerOptions?.poolMinSize ?? WorkerConstants.DEFAULT_POOL_MIN_SIZE;
- workerOptions.poolMaxSize =
- workerOptions?.poolMaxSize ?? WorkerConstants.DEFAULT_POOL_MAX_SIZE;
workerImplementation = new WorkerDynamicPool(workerScript, workerOptions);
break;
default: