-import { type Worker, isMainThread } from 'node:worker_threads';
+import { isMainThread } from 'node:worker_threads'
-import type { PoolOptions } from 'poolifier';
+import { mergeDeepRight } from 'rambda'
-import type { WorkerAbstract } from './WorkerAbstract';
-import { WorkerConstants } from './WorkerConstants';
-import { WorkerDynamicPool } from './WorkerDynamicPool';
-import { WorkerSet } from './WorkerSet';
-import { WorkerStaticPool } from './WorkerStaticPool';
-import { type WorkerData, type WorkerOptions, WorkerProcessType } from './WorkerTypes';
+import type { WorkerAbstract } from './WorkerAbstract.js'
+import { DEFAULT_WORKER_OPTIONS } from './WorkerConstants.js'
+import { WorkerDynamicPool } from './WorkerDynamicPool.js'
+import { WorkerFixedPool } from './WorkerFixedPool.js'
+import { WorkerSet } from './WorkerSet.js'
+import { type WorkerData, type WorkerOptions, WorkerProcessType } from './WorkerTypes.js'
+// eslint-disable-next-line @typescript-eslint/no-extraneous-class
export class WorkerFactory {
- private constructor() {
+ private constructor () {
// This is intentional
}
- public static getWorkerImplementation<T extends WorkerData>(
+ public static getWorkerImplementation<D extends WorkerData, R extends WorkerData>(
workerScript: string,
workerProcessType: WorkerProcessType,
workerOptions?: WorkerOptions
- ): WorkerAbstract<T> | null {
+ ): WorkerAbstract<D, R> {
if (!isMainThread) {
- throw new Error('Cannot get a worker implementation outside the main thread');
+ 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);
- let workerImplementation: WorkerAbstract<T> | null = null;
+ workerOptions = mergeDeepRight<WorkerOptions>(DEFAULT_WORKER_OPTIONS, workerOptions ?? {})
switch (workerProcessType) {
- case WorkerProcessType.WORKER_SET:
- workerOptions.elementsPerWorker =
- workerOptions?.elementsPerWorker ?? WorkerConstants.DEFAULT_ELEMENTS_PER_WORKER;
- workerImplementation = new WorkerSet(workerScript, workerOptions);
- break;
- case WorkerProcessType.STATIC_POOL:
- workerOptions.poolMaxSize =
- workerOptions?.poolMaxSize ?? WorkerConstants.DEFAULT_POOL_MAX_SIZE;
- workerImplementation = new WorkerStaticPool(workerScript, workerOptions);
- break;
- case WorkerProcessType.DYNAMIC_POOL:
- workerOptions.poolMinSize =
- workerOptions?.poolMinSize ?? WorkerConstants.DEFAULT_POOL_MIN_SIZE;
- workerOptions.poolMaxSize =
- workerOptions?.poolMaxSize ?? WorkerConstants.DEFAULT_POOL_MAX_SIZE;
- workerImplementation = new WorkerDynamicPool(workerScript, workerOptions);
- break;
+ case WorkerProcessType.workerSet:
+ return new WorkerSet<D, R>(workerScript, workerOptions)
+ case WorkerProcessType.fixedPool:
+ return new WorkerFixedPool<D, R>(workerScript, workerOptions)
+ case WorkerProcessType.dynamicPool:
+ return new WorkerDynamicPool<D, R>(workerScript, workerOptions)
default:
// eslint-disable-next-line @typescript-eslint/restrict-template-expressions
- throw new Error(`Worker implementation type '${workerProcessType}' not found`);
+ throw new Error(`Worker implementation type '${workerProcessType}' not found`)
}
- return workerImplementation;
}
}