import { EventEmitter } from 'node:events'
import { type TransferListItem } from 'node:worker_threads'
+import type { TaskFunction } from '../worker/task-functions'
import type {
ErrorHandler,
ExitHandler,
export interface PoolOptions<Worker extends IWorker> {
/**
* A function that will listen for online event on each worker.
+ *
+ * @defaultValue `() => {}`
*/
onlineHandler?: OnlineHandler<Worker>
/**
* A function that will listen for message event on each worker.
+ *
+ * @defaultValue `() => {}`
*/
messageHandler?: MessageHandler<Worker>
/**
* A function that will listen for error event on each worker.
+ *
+ * @defaultValue `() => {}`
*/
errorHandler?: ErrorHandler<Worker>
/**
* A function that will listen for exit event on each worker.
+ *
+ * @defaultValue `() => {}`
*/
exitHandler?: ExitHandler<Worker>
/**
* Whether to start the minimum number of workers at pool initialization.
*
- * @defaultValue false
+ * @defaultValue true
*/
startWorkers?: boolean
/**
* Terminates all workers in this pool.
*/
readonly destroy: () => Promise<void>
+ /**
+ * Whether the specified task function exists in this pool.
+ *
+ * @param name - The name of the task function.
+ * @returns `true` if the task function exists, `false` otherwise.
+ */
+ readonly hasTaskFunction: (name: string) => boolean
+ /**
+ * Adds a task function to this pool.
+ * If a task function with the same name already exists, it will be overwritten.
+ *
+ * @param name - The name of the task function.
+ * @param taskFunction - The task function.
+ * @returns `true` if the task function was added, `false` otherwise.
+ */
+ readonly addTaskFunction: (
+ name: string,
+ taskFunction: TaskFunction<Data, Response>
+ ) => Promise<boolean>
+ /**
+ * Removes a task function from this pool.
+ *
+ * @param name - The name of the task function.
+ * @returns `true` if the task function was removed, `false` otherwise.
+ */
+ readonly removeTaskFunction: (name: string) => Promise<boolean>
/**
* Lists the names of task function available in this pool.
*
* @returns The names of task function available in this pool.
*/
- readonly listTaskFunctions: () => string[]
+ readonly listTaskFunctionNames: () => string[]
+ /**
+ * Sets the default task function in this pool.
+ *
+ * @param name - The name of the task function.
+ * @returns `true` if the default task function was set, `false` otherwise.
+ */
+ readonly setDefaultTaskFunction: (name: string) => Promise<boolean>
/**
* Sets the worker choice strategy in this pool.
*