TaskSyncFunction
} from './task-functions'
+interface TaskFunctionOperationReturnType {
+ status: boolean
+ error?: Error
+}
+
const DEFAULT_MAX_INACTIVE_TIME = 60000
const DEFAULT_WORKER_OPTIONS: WorkerOptions = {
/**
*
* @param name - The name of the task function to check.
* @returns Whether the worker has a task function with the given name or not.
- * @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 {
- this.checkTaskFunctionName(name)
- return this.taskFunctions.has(name)
+ public hasTaskFunction (name: string): TaskFunctionOperationReturnType {
+ try {
+ this.checkTaskFunctionName(name)
+ } catch (error) {
+ return { status: false, error: error as Error }
+ }
+ return { status: this.taskFunctions.has(name) }
}
/**
* @param name - The name of the task function to add.
* @param fn - The task function to add.
* @returns Whether the task function was added or not.
- * @throws {@link https://nodejs.org/api/errors.html#class-typeerror} If the `name` parameter is not a string or an empty string.
- * @throws {@link https://nodejs.org/api/errors.html#class-error} If the `name` parameter is the default task function reserved name.
- * @throws {@link https://nodejs.org/api/errors.html#class-typeerror} If the `fn` parameter is not a function.
*/
public addTaskFunction (
name: string,
fn: TaskFunction<Data, Response>
- ): boolean {
- this.checkTaskFunctionName(name)
- if (name === DEFAULT_TASK_NAME) {
- throw new Error(
- 'Cannot add a task function with the default reserved name'
- )
- }
- if (typeof fn !== 'function') {
- throw new TypeError('fn parameter is not a function')
- }
+ ): TaskFunctionOperationReturnType {
try {
+ this.checkTaskFunctionName(name)
+ if (name === DEFAULT_TASK_NAME) {
+ throw new Error(
+ 'Cannot add a task function with the default reserved name'
+ )
+ }
+ if (typeof fn !== 'function') {
+ throw new TypeError('fn parameter is not a function')
+ }
const boundFn = fn.bind(this)
if (
this.taskFunctions.get(name) ===
}
this.taskFunctions.set(name, boundFn)
this.sendTaskFunctionsListToMainWorker()
- return true
- } catch {
- return false
+ return { status: true }
+ } catch (error) {
+ return { status: false, error: error as Error }
}
}
*
* @param name - The name of the task function to remove.
* @returns Whether the task function existed and was removed or not.
- * @throws {@link https://nodejs.org/api/errors.html#class-typeerror} If the `name` parameter is not a string or an empty string.
- * @throws {@link https://nodejs.org/api/errors.html#class-error} If the `name` parameter is the default task function 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 {
- this.checkTaskFunctionName(name)
- if (name === DEFAULT_TASK_NAME) {
- throw new Error(
- 'Cannot remove the task function with the default reserved name'
- )
- }
- if (
- this.taskFunctions.get(name) === this.taskFunctions.get(DEFAULT_TASK_NAME)
- ) {
- throw new Error(
- 'Cannot remove the task function used as the default task function'
- )
+ public removeTaskFunction (name: string): TaskFunctionOperationReturnType {
+ try {
+ this.checkTaskFunctionName(name)
+ if (name === DEFAULT_TASK_NAME) {
+ throw new Error(
+ 'Cannot remove the task function with the default reserved name'
+ )
+ }
+ if (
+ this.taskFunctions.get(name) ===
+ this.taskFunctions.get(DEFAULT_TASK_NAME)
+ ) {
+ throw new Error(
+ 'Cannot remove the task function used as the default task function'
+ )
+ }
+ const deleteStatus = this.taskFunctions.delete(name)
+ this.sendTaskFunctionsListToMainWorker()
+ return { status: deleteStatus }
+ } catch (error) {
+ return { status: false, error: error as Error }
}
- const deleteStatus = this.taskFunctions.delete(name)
- this.sendTaskFunctionsListToMainWorker()
- return deleteStatus
}
/**
*
* @returns The names of the worker's task functions.
*/
- public listTaskFunctions (): string[] {
+ public listTaskFunctionNames (): string[] {
const names: string[] = [...this.taskFunctions.keys()]
let defaultTaskFunctionName: string = DEFAULT_TASK_NAME
for (const [name, fn] of this.taskFunctions) {
*
* @param name - The name of the task function to use as default task function.
* @returns Whether the default task function was set or not.
- * @throws {@link https://nodejs.org/api/errors.html#class-typeerror} If the `name` parameter is not a string or an empty string.
- * @throws {@link https://nodejs.org/api/errors.html#class-error} If the `name` parameter is the default task function 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 {
- this.checkTaskFunctionName(name)
- if (name === DEFAULT_TASK_NAME) {
- throw new Error(
- 'Cannot set the default task function reserved name as the default task function'
- )
- }
- if (!this.taskFunctions.has(name)) {
- throw new Error(
- 'Cannot set the default task function to a non-existing task function'
- )
- }
+ public setDefaultTaskFunction (name: string): TaskFunctionOperationReturnType {
try {
+ this.checkTaskFunctionName(name)
+ if (name === DEFAULT_TASK_NAME) {
+ throw new Error(
+ 'Cannot set the default task function reserved name as the default task function'
+ )
+ }
+ if (!this.taskFunctions.has(name)) {
+ throw new Error(
+ 'Cannot set the default task function to a non-existing task function'
+ )
+ }
this.taskFunctions.set(
DEFAULT_TASK_NAME,
this.taskFunctions.get(name) as TaskFunction<Data, Response>
)
- return true
- } catch {
- return false
+ return { status: true }
+ } catch (error) {
+ return { status: false, error: error as Error }
}
}
} else if (message.checkActive != null) {
// Check active message received
message.checkActive ? this.startCheckActive() : this.stopCheckActive()
+ } else if (message.taskFunctionOperation != null) {
+ // Task function operation message received
+ this.handleTaskFunctionOperationMessage(message)
} else if (message.taskId != null && message.data != null) {
// Task message received
this.run(message)
}
}
+ protected handleTaskFunctionOperationMessage (
+ message: MessageValue<Data>
+ ): void {
+ const { taskFunctionOperation, taskFunction, taskFunctionName } = message
+ let response!: TaskFunctionOperationReturnType
+ if (taskFunctionOperation === 'add') {
+ response = this.addTaskFunction(
+ taskFunctionName as string,
+ // eslint-disable-next-line @typescript-eslint/no-implied-eval, no-new-func
+ new Function(`return ${taskFunction as string}`)() as TaskFunction<
+ Data,
+ Response
+ >
+ )
+ } else if (taskFunctionOperation === 'remove') {
+ response = this.removeTaskFunction(taskFunctionName as string)
+ } else if (taskFunctionOperation === 'default') {
+ response = this.setDefaultTaskFunction(taskFunctionName as string)
+ }
+ this.sendToMainWorker({
+ taskFunctionOperation,
+ taskFunctionOperationStatus: response.status,
+ workerError: {
+ name: taskFunctionName as string,
+ message: this.handleError(response.error as Error | string)
+ },
+ workerId: this.id
+ })
+ }
+
/**
* Handles a kill message sent by the main worker.
*
*/
protected sendTaskFunctionsListToMainWorker (): void {
this.sendToMainWorker({
- taskFunctions: this.listTaskFunctions(),
+ taskFunctionNames: this.listTaskFunctionNames(),
workerId: this.id
})
}
/**
* Handles an error and convert it to a string so it can be sent back to the main worker.
*
- * @param e - The error raised by the worker.
+ * @param error - The error raised by the worker.
* @returns The error message.
*/
- protected handleError (e: Error | string): string {
- return e instanceof Error ? e.message : e
+ protected handleError (error: Error | string): string {
+ return error instanceof Error ? error.message : error
}
/**
const fn = this.taskFunctions.get(name ?? DEFAULT_TASK_NAME)
if (fn == null) {
this.sendToMainWorker({
- taskError: {
+ workerError: {
name: name as string,
message: `Task function '${name as string}' not found`,
data
workerId: this.id,
taskId
})
- } catch (e) {
- const errorMessage = this.handleError(e as Error | string)
+ } catch (error) {
this.sendToMainWorker({
- taskError: {
+ workerError: {
name: name as string,
- message: errorMessage,
+ message: this.handleError(error as Error | string),
data
},
workerId: this.id,
})
return null
})
- .catch(e => {
- const errorMessage = this.handleError(e as Error | string)
+ .catch(error => {
this.sendToMainWorker({
- taskError: {
+ workerError: {
name: name as string,
- message: errorMessage,
+ message: this.handleError(error as Error | string),
data
},
workerId: this.id,
repositories / poolifier.git / blobdiff