-// eslint-disable-next-line @typescript-eslint/no-explicit-any
-export class ThreadWorker<Data = any, Response = any> extends AsyncResource {
- protected readonly maxInactiveTime: number
- protected readonly async: boolean
- protected lastTask: number
- protected readonly interval?: NodeJS.Timeout
- protected parent?: MessagePort
-
- public constructor (
- fn: (data: Data) => Response,
- public readonly opts: WorkerOptions = {}
- ) {
- super('worker-thread-pool:pioardi')
-
- this.maxInactiveTime = this.opts.maxInactiveTime ?? 1000 * 60
- this.async = !!this.opts.async
- this.lastTask = Date.now()
- if (!fn) throw new Error('Fn parameter is mandatory')
- // keep the worker active
- if (!isMainThread) {
- this.interval = setInterval(
- this.checkAlive.bind(this),
- this.maxInactiveTime / 2
- )
- this.checkAlive.bind(this)()
- }
- parentPort?.on('message', (value: MessageValue<Data>) => {
- if (value?.data && value.id) {
- // here you will receive messages
- // console.log('This is the main thread ' + isMainThread)
- if (this.async) {
- this.runInAsyncScope(this.runAsync.bind(this), this, fn, value)
- } else {
- this.runInAsyncScope(this.run.bind(this), this, fn, value)
- }
- } else if (value.parent) {
- // save the port to communicate with the main thread
- // this will be received once
- this.parent = value.parent
- } else if (value.kill) {
- // here is time to kill this thread, just clearing the interval
- if (this.interval) clearInterval(this.interval)
- this.emitDestroy()
- }
- })
- }
-
- protected checkAlive (): void {
- if (Date.now() - this.lastTask > this.maxInactiveTime) {
- this.parent?.postMessage({ kill: 1 })
- }
- }
-
- protected run (
- fn: (data?: Data) => Response,
- value: MessageValue<Data>
- ): void {
- try {
- const res = fn(value.data)
- this.parent?.postMessage({ data: res, id: value.id })
- this.lastTask = Date.now()
- } catch (e) {
- this.parent?.postMessage({ error: e, id: value.id })
- this.lastTask = Date.now()
- }
+export class ThreadWorker<
+ Data = unknown,
+ Response = unknown
+> extends AbstractWorker<MessagePort, Data, Response> {
+ /**
+ * Constructs a new poolifier thread worker.
+ *
+ * @param fn Function processed by the worker when the pool's `execution` function is invoked.
+ * @param opts Options for the worker.
+ */
+ public constructor (fn: (data: Data) => Response, opts: WorkerOptions = {}) {
+ super('worker-thread-pool:poolifier', isMainThread, fn, parentPort, opts)