/**
* Base class that implements some shared logic for all poolifier workers.
*
- * @template MainWorker Type of main worker.
- * @template Data Type of data this worker receives from pool's execution. This can only be serializable data.
- * @template Response Type of response the worker sends back to the main worker. This can only be serializable data.
+ * @typeParam MainWorker - Type of main worker.
+ * @typeParam Data - Type of data this worker receives from pool's execution. This can only be serializable data.
+ * @typeParam Response - Type of response the worker sends back to the main worker. This can only be serializable data.
*/
export abstract class AbstractWorker<
MainWorker extends Worker | MessagePort,
/**
* Constructs a new poolifier worker.
*
- * @param type The type of async event.
- * @param isMain Whether this is the main worker or not.
- * @param fn Function processed by the worker when the pool's `execution` function is invoked.
- * @param mainWorker Reference to main worker.
- * @param opts Options for the worker.
+ * @param type - The type of async event.
+ * @param isMain - Whether this is the main worker or not.
+ * @param fn - Function processed by the worker when the pool's `execution` function is invoked.
+ * @param mainWorker - Reference to main worker.
+ * @param opts - Options for the worker.
*/
public constructor (
type: string,
this.checkWorkerOptions(this.opts)
this.lastTaskTimestamp = Date.now()
// Keep the worker active
- if (isMain === false) {
+ if (!isMain) {
this.aliveInterval = setInterval(
this.checkAlive.bind(this),
(this.opts.maxInactiveTime ?? DEFAULT_MAX_INACTIVE_TIME) / 2
this.mainWorker = value.parent
} else if (value.kill !== undefined) {
// Here is time to kill this worker, just clearing the interval
- if (this.aliveInterval) clearInterval(this.aliveInterval)
+ if (this.aliveInterval != null) clearInterval(this.aliveInterval)
this.emitDestroy()
}
}
- private checkWorkerOptions (opts: WorkerOptions) {
+ private checkWorkerOptions (opts: WorkerOptions): void {
this.opts.killBehavior = opts.killBehavior ?? DEFAULT_KILL_BEHAVIOR
this.opts.maxInactiveTime =
opts.maxInactiveTime ?? DEFAULT_MAX_INACTIVE_TIME
- /**
- * Whether the worker is working asynchronously or not.
- */
- this.opts.async = !!opts.async
+ this.opts.async = opts.async ?? false
}
/**
* Checks if the `fn` parameter is passed to the constructor.
*
- * @param fn The function that should be defined.
+ * @param fn - The function that should be defined.
*/
private checkFunctionInput (fn: (data: Data) => Response): void {
- if (!fn) throw new Error('fn parameter is mandatory')
+ if (fn == null) throw new Error('fn parameter is mandatory')
+ if (typeof fn !== 'function') {
+ throw new TypeError('fn parameter is not a function')
+ }
}
/**
* @returns Reference to the main worker.
*/
protected getMainWorker (): MainWorker {
- if (!this.mainWorker) {
+ if (this.mainWorker == null) {
throw new Error('Main worker was not set')
}
return this.mainWorker
/**
* Sends a message to the main worker.
*
- * @param message The response message.
+ * @param message - The response message.
*/
protected abstract sendToMainWorker (message: MessageValue<Response>): void
/**
* Handles an error and convert it to a string so it can be sent back to the main worker.
*
- * @param e The error raised by the worker.
+ * @param e - The error raised by the worker.
* @returns Message of the error.
*/
protected handleError (e: Error | string): string {
/**
* Runs the given function synchronously.
*
- * @param fn Function that will be executed.
- * @param value Input data for the given function.
+ * @param fn - Function that will be executed.
+ * @param value - Input data for the given function.
*/
protected run (
fn: (data?: Data) => Response,
/**
* Runs the given function asynchronously.
*
- * @param fn Function that will be executed.
- * @param value Input data for the given function.
+ * @param fn - Function that will be executed.
+ * @param value - Input data for the given function.
*/
protected runAsync (
fn: (data?: Data) => Promise<Response>,