protected opts: WorkerOptions = DEFAULT_WORKER_OPTIONS
) {
super(type)
- this.checkWorkerOptions(this.opts)
+ if (this.isMain == null) {
+ throw new Error('isMain parameter is mandatory')
+ }
this.checkTaskFunctions(taskFunctions)
+ this.checkWorkerOptions(this.opts)
if (!this.isMain) {
- this.getMainWorker()?.on('message', this.handleReadyMessage.bind(this))
+ this.getMainWorker().on('message', this.handleReadyMessage.bind(this))
}
}
delete this.opts.async
}
+ private checkValidTaskFunction (
+ name: string,
+ fn: TaskFunction<Data, Response>
+ ): void {
+ if (typeof name !== 'string') {
+ throw new TypeError(
+ 'A taskFunctions parameter object key is not a string'
+ )
+ }
+ if (typeof name === 'string' && name.trim().length === 0) {
+ throw new TypeError(
+ 'A taskFunctions parameter object key is an empty string'
+ )
+ }
+ if (typeof fn !== 'function') {
+ throw new TypeError(
+ 'A taskFunctions parameter object value is not a function'
+ )
+ }
+ }
+
/**
* Checks if the `taskFunctions` parameter is passed to the constructor.
*
} else if (isPlainObject(taskFunctions)) {
let firstEntry = true
for (const [name, fn] of Object.entries(taskFunctions)) {
- if (typeof name !== 'string') {
- throw new TypeError(
- 'A taskFunctions parameter object key is not a string'
- )
- }
- if (typeof name === 'string' && name.trim().length === 0) {
- throw new TypeError(
- 'A taskFunctions parameter object key an empty string'
- )
- }
- if (typeof fn !== 'function') {
- throw new TypeError(
- 'A taskFunctions parameter object value is not a function'
- )
- }
+ this.checkValidTaskFunction(name, fn)
const boundFn = fn.bind(this)
if (firstEntry) {
this.taskFunctions.set(DEFAULT_TASK_NAME, boundFn)
* @throws {@link https://nodejs.org/api/errors.html#class-typeerror} If the `name` parameter is not a string or an empty string.
*/
public hasTaskFunction (name: string): boolean {
- if (typeof name !== 'string') {
- throw new TypeError('name parameter is not a string')
- }
- if (typeof name === 'string' && name.trim().length === 0) {
- throw new TypeError('name parameter is an empty string')
- }
+ this.checkTaskFunctionName(name)
return this.taskFunctions.has(name)
}
name: string,
fn: TaskFunction<Data, Response>
): boolean {
- if (typeof name !== 'string') {
- throw new TypeError('name parameter is not a string')
- }
- if (typeof name === 'string' && name.trim().length === 0) {
- throw new TypeError('name parameter is an empty string')
- }
+ this.checkTaskFunctionName(name)
if (name === DEFAULT_TASK_NAME) {
throw new Error(
'Cannot add a task function with the default reserved name'
* @throws {@link https://nodejs.org/api/errors.html#class-error} If the `name` parameter is the task function used as default task function.
*/
public removeTaskFunction (name: string): boolean {
- if (typeof name !== 'string') {
- throw new TypeError('name parameter is not a string')
- }
- if (typeof name === 'string' && name.trim().length === 0) {
- throw new TypeError('name parameter is an empty string')
- }
+ this.checkTaskFunctionName(name)
if (name === DEFAULT_TASK_NAME) {
throw new Error(
'Cannot remove the task function with the default reserved name'
* @throws {@link https://nodejs.org/api/errors.html#class-error} If the `name` parameter is a non-existing task function.
*/
public setDefaultTaskFunction (name: string): boolean {
- if (typeof name !== 'string') {
- throw new TypeError('name parameter is not a string')
- }
- if (typeof name === 'string' && name.trim().length === 0) {
- throw new TypeError('name parameter is an empty string')
- }
+ this.checkTaskFunctionName(name)
if (name === DEFAULT_TASK_NAME) {
throw new Error(
'Cannot set the default task function reserved name as the default task function'
}
}
+ private checkTaskFunctionName (name: string): void {
+ if (typeof name !== 'string') {
+ throw new TypeError('name parameter is not a string')
+ }
+ if (typeof name === 'string' && name.trim().length === 0) {
+ throw new TypeError('name parameter is an empty string')
+ }
+ }
+
/**
* Handles the ready message sent by the main worker.
*
protected handleKillMessage (message: MessageValue<Data>): void {
this.stopCheckActive()
if (isAsyncFunction(this.opts.killHandler)) {
- (this.opts.killHandler?.() as Promise<void>)
+ ;(this.opts.killHandler?.() as Promise<void>)
.then(() => {
this.sendToMainWorker({ kill: 'success', workerId: this.id })
return null
* Returns the main worker.
*
* @returns Reference to the main worker.
+ * @throws {@link https://nodejs.org/api/errors.html#class-error} If the main worker is not set.
*/
protected getMainWorker (): MainWorker {
if (this.mainWorker == null) {
* @throws {@link https://nodejs.org/api/errors.html#class-error} If the task function is not found.
*/
protected run (task: Task<Data>): void {
- const fn = this.getTaskFunction(task.name)
+ const { name, taskId, data } = task
+ const fn = this.taskFunctions.get(name ?? DEFAULT_TASK_NAME)
+ if (fn == null) {
+ this.sendToMainWorker({
+ taskError: {
+ name: name as string,
+ message: `Task function '${name as string}' not found`,
+ data
+ },
+ workerId: this.id,
+ taskId
+ })
+ return
+ }
if (isAsyncFunction(fn)) {
this.runInAsyncScope(this.runAsync.bind(this), this, fn, task)
} else {
const errorMessage = this.handleError(e as Error | string)
this.sendToMainWorker({
taskError: {
- name: name ?? DEFAULT_TASK_NAME,
+ name: name as string,
message: errorMessage,
data
},
const errorMessage = this.handleError(e as Error | string)
this.sendToMainWorker({
taskError: {
- name: name ?? DEFAULT_TASK_NAME,
+ name: name as string,
message: errorMessage,
data
},
.catch(EMPTY_FUNCTION)
}
- /**
- * Gets the task function with the given name.
- *
- * @param name - Name of the task function that will be returned.
- * @returns The task function.
- * @throws {@link https://nodejs.org/api/errors.html#class-error} If the task function is not found.
- */
- private getTaskFunction (name?: string): TaskFunction<Data, Response> {
- name = name ?? DEFAULT_TASK_NAME
- const fn = this.taskFunctions.get(name)
- if (fn == null) {
- throw new Error(`Task function '${name}' not found`)
- }
- return fn
- }
-
private beginTaskPerformance (name?: string): TaskPerformance {
this.checkStatistics()
return {
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