-import type { Worker } from 'node:worker_threads';
+import type { EventEmitterAsyncResource } from 'node:events'
-import { DynamicThreadPool, type ErrorHandler, type ExitHandler } from 'poolifier';
+import { DynamicThreadPool, type PoolInfo } from 'poolifier'
-import { WorkerAbstract } from './WorkerAbstract';
-import type { WorkerData, WorkerOptions } from './WorkerTypes';
-import { defaultErrorHandler, defaultExitHandler, sleep } from './WorkerUtils';
+import { WorkerAbstract } from './WorkerAbstract.js'
+import type { WorkerData, WorkerOptions } from './WorkerTypes.js'
+import { randomizeDelay, sleep } from './WorkerUtils.js'
export class WorkerDynamicPool extends WorkerAbstract<WorkerData> {
- private readonly pool: DynamicThreadPool<WorkerData>;
+ private readonly pool: DynamicThreadPool<WorkerData>
/**
- * Create a new `WorkerDynamicPool`.
+ * Creates a new `WorkerDynamicPool`.
*
* @param workerScript -
* @param workerOptions -
*/
- constructor(workerScript: string, workerOptions?: WorkerOptions) {
- super(workerScript, workerOptions);
- this.workerOptions.poolOptions.errorHandler = (
- this.workerOptions?.poolOptions?.errorHandler ?? defaultErrorHandler
- ).bind(this) as ErrorHandler<Worker>;
- this.workerOptions.poolOptions.exitHandler = (
- this.workerOptions?.poolOptions?.exitHandler ?? defaultExitHandler
- ).bind(this) as ExitHandler<Worker>;
- this.workerOptions.poolOptions.messageHandler.bind(this);
+ constructor (workerScript: string, workerOptions: WorkerOptions) {
+ super(workerScript, workerOptions)
this.pool = new DynamicThreadPool<WorkerData>(
this.workerOptions.poolMinSize,
this.workerOptions.poolMaxSize,
this.workerScript,
this.workerOptions.poolOptions
- );
+ )
}
- get size(): number {
- return this.pool.workerNodes.length;
+ get info (): PoolInfo {
+ return this.pool.info
}
- get maxElementsPerWorker(): number | undefined {
- return undefined;
+ get size (): number {
+ return this.pool.info.workerNodes
+ }
+
+ get maxElementsPerWorker (): number | undefined {
+ return undefined
+ }
+
+ get emitter (): EventEmitterAsyncResource | undefined {
+ return this.pool.emitter
}
/** @inheritDoc */
- public async start(): Promise<void> {
+ public async start (): Promise<void> {
// This is intentional
}
/** @inheritDoc */
- public async stop(): Promise<void> {
- return this.pool.destroy();
+ public async stop (): Promise<void> {
+ await this.pool.destroy()
}
/** @inheritDoc */
- public async addElement(elementData: WorkerData): Promise<void> {
- await this.pool.execute(elementData);
+ public async addElement (elementData: WorkerData): Promise<void> {
+ await this.pool.execute(elementData)
// Start element sequentially to optimize memory at startup
- this.workerOptions.elementStartDelay > 0 && (await sleep(this.workerOptions.elementStartDelay));
+ // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+ this.workerOptions.elementStartDelay! > 0 &&
+ // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+ (await sleep(randomizeDelay(this.workerOptions.elementStartDelay!)))
}
}