// Partial Copyright Jerome Benoit. 2021-2023. All Rights Reserved.
-import { Worker } from 'worker_threads';
+import { Worker } from 'node:worker_threads';
-import WorkerAbstract from './WorkerAbstract';
-import { WorkerUtils } from './WorkerUtils';
+import { WorkerAbstract } from './WorkerAbstract';
+import { WorkerConstants } from './WorkerConstants';
import {
type MessageHandler,
type WorkerData,
WorkerMessageEvents,
type WorkerOptions,
type WorkerSetElement,
-} from '../types/Worker';
-import Utils from '../utils/Utils';
+} from './WorkerTypes';
+import { WorkerUtils } from './WorkerUtils';
-export default class WorkerSet extends WorkerAbstract<WorkerData> {
+export class WorkerSet extends WorkerAbstract<WorkerData> {
private readonly workerSet: Set<WorkerSetElement>;
/**
return this.workerSet.size;
}
- get maxElementsPerWorker(): number | null {
+ get maxElementsPerWorker(): number | undefined {
return this.workerOptions.elementsPerWorker;
}
await this.startWorker();
}
this.getLastWorker().postMessage({
- id: WorkerMessageEvents.START_WORKER_ELEMENT,
+ id: WorkerMessageEvents.startWorkerElement,
data: elementData,
});
this.getLastWorkerSetElement().numberOfWorkerElements++;
// Start element sequentially to optimize memory at startup
if (this.workerOptions.elementStartDelay > 0) {
- await Utils.sleep(this.workerOptions.elementStartDelay);
+ await WorkerUtils.sleep(this.workerOptions.elementStartDelay);
}
}
const worker = new Worker(this.workerScript);
worker.on(
'message',
- (
- this.workerOptions?.messageHandler ??
- (() => {
- /* This is intentional */
- })
- ).bind(this) as MessageHandler<Worker>
+ (this.workerOptions?.messageHandler ?? WorkerConstants.EMPTY_FUNCTION).bind(
+ this
+ ) as MessageHandler<Worker>
);
worker.on('error', WorkerUtils.defaultErrorHandler.bind(this) as (err: Error) => void);
- worker.on('exit', code => {
+ worker.on('exit', (code) => {
WorkerUtils.defaultExitHandler(code);
this.workerSet.delete(this.getWorkerSetElementByWorker(worker));
});
this.workerSet.add({ worker, numberOfWorkerElements: 0 });
// Start worker sequentially to optimize memory at startup
this.workerOptions.workerStartDelay > 0 &&
- (await Utils.sleep(this.workerOptions.workerStartDelay));
+ (await WorkerUtils.sleep(this.workerOptions.workerStartDelay));
}
private getLastWorkerSetElement(): WorkerSetElement {