-import { WorkerData, WorkerStartOptions } from '../types/Worker';
+import fs from 'fs';
-import Constants from '../utils/Constants';
+import type { WorkerData, WorkerOptions } from '../types/Worker';
+import WorkerConstants from './WorkerConstants';
export default abstract class WorkerAbstract<T extends WorkerData> {
protected readonly workerScript: string;
- protected readonly workerStartDelay: number;
- protected readonly elementStartDelay: number;
+ protected readonly workerOptions: WorkerOptions;
public abstract readonly size: number;
public abstract readonly maxElementsPerWorker: number | null;
* `WorkerAbstract` constructor.
*
* @param workerScript
- * @param workerStartOptions
+ * @param workerOptions
*/
- constructor(workerScript: string, workerStartOptions: WorkerStartOptions = {
- workerStartDelay: Constants.WORKER_START_DELAY,
- elementStartDelay: Constants.ELEMENT_START_DELAY
- }) {
+ constructor(
+ workerScript: string,
+ workerOptions: 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: {},
+ messageHandler: () => {
+ /* This is intentional */
+ },
+ }
+ ) {
+ if (!workerScript) {
+ throw new Error('Worker script is not defined');
+ }
+ if (!fs.existsSync(workerScript)) {
+ throw new Error('Worker script file does not exist');
+ }
this.workerScript = workerScript;
- this.workerStartDelay = workerStartOptions.workerStartDelay;
- this.elementStartDelay = workerStartOptions.elementStartDelay;
+ this.workerOptions = workerOptions;
}
public abstract start(): Promise<void>;