import { AsyncResource } from 'node:async_hooks'
import type { Worker } from 'node:cluster'
import type { MessagePort } from 'node:worker_threads'
-import type { MessageValue } from '../utility-types'
+import type {
+ MessageValue,
+ WorkerAsyncFunction,
+ WorkerFunction,
+ WorkerSyncFunction
+} from '../utility-types'
import { EMPTY_FUNCTION } from '../utils'
import type { KillBehavior, WorkerOptions } from './worker-options'
import { KillBehaviors } from './worker-options'
public constructor (
type: string,
protected readonly isMain: boolean,
- fn: (data: Data) => Response | Promise<Response>,
+ fn: WorkerFunction<Data, Response>,
protected mainWorker: MainWorker | undefined | null,
protected readonly opts: WorkerOptions = {
/**
)
}
+ private checkWorkerOptions (opts: WorkerOptions): void {
+ this.opts.killBehavior = opts.killBehavior ?? DEFAULT_KILL_BEHAVIOR
+ this.opts.maxInactiveTime =
+ opts.maxInactiveTime ?? DEFAULT_MAX_INACTIVE_TIME
+ this.opts.async = opts.async ?? false
+ }
+
+ /**
+ * Checks if the `fn` parameter is passed to the constructor.
+ *
+ * @param fn - The function that should be defined.
+ */
+ private checkFunctionInput (fn: WorkerFunction<Data, Response>): void {
+ if (fn == null) throw new Error('fn parameter is mandatory')
+ if (typeof fn !== 'function') {
+ throw new TypeError('fn parameter is not a function')
+ }
+ if (fn.constructor.name === 'AsyncFunction' && this.opts.async === false) {
+ throw new Error(
+ 'fn parameter is an async function, please set the async option to true'
+ )
+ }
+ }
+
/**
* Worker message listener.
*
*/
protected messageListener (
message: MessageValue<Data, MainWorker>,
- fn: (data: Data) => Response | Promise<Response>
+ fn: WorkerFunction<Data, Response>
): void {
if (message.id != null && message.data != null) {
// Task message received
}
}
- private checkWorkerOptions (opts: WorkerOptions): void {
- this.opts.killBehavior = opts.killBehavior ?? DEFAULT_KILL_BEHAVIOR
- this.opts.maxInactiveTime =
- opts.maxInactiveTime ?? DEFAULT_MAX_INACTIVE_TIME
- this.opts.async = opts.async ?? false
- }
-
- /**
- * Checks if the `fn` parameter is passed to the constructor.
- *
- * @param fn - The function that should be defined.
- */
- private checkFunctionInput (
- fn: (data: Data) => Response | Promise<Response>
- ): void {
- if (fn == null) throw new Error('fn parameter is mandatory')
- if (typeof fn !== 'function') {
- throw new TypeError('fn parameter is not a function')
- }
- if (fn.constructor.name === 'AsyncFunction' && this.opts.async === false) {
- throw new Error(
- 'fn parameter is an async function, please set the async option to true'
- )
- }
- }
-
/**
* Returns the main worker.
*
* @param message - Input data for the given function.
*/
protected run (
- fn: (data?: Data) => Response,
+ fn: WorkerSyncFunction<Data, Response>,
message: MessageValue<Data>
): void {
try {
* @param message - Input data for the given function.
*/
protected runAsync (
- fn: (data?: Data) => Promise<Response>,
+ fn: WorkerAsyncFunction<Data, Response>,
message: MessageValue<Data>
): void {
const startTimestamp = performance.now()