+import type { AsyncResource } from 'node:async_hooks'
import type { EventLoopUtilization } from 'node:perf_hooks'
import type { MessagePort, TransferListItem } from 'node:worker_threads'
-import type { KillBehavior } from './worker/worker-options'
+
+import type { WorkerChoiceStrategy } from './pools/selection-strategies/selection-strategies-types.js'
+import type { KillBehavior } from './worker/worker-options.js'
/**
- * Task error.
- *
+ * Worker error.
* @typeParam Data - Type of data sent to the worker triggering an error. This can only be structured-cloneable data.
*/
-export interface TaskError<Data = unknown> {
+export interface WorkerError<Data = unknown> {
/**
- * Task name triggering the error.
+ * Data triggering the error.
*/
- readonly name: string
+ readonly data?: Data
/**
* Error message.
*/
readonly message: string
/**
- * Data triggering the error.
+ * Task function name triggering the error.
*/
- readonly data?: Data
+ readonly name: string
}
/**
* Task performance.
- *
* @internal
*/
export interface TaskPerformance {
/**
- * Task name.
+ * Task event loop utilization.
*/
- readonly name: string
+ readonly elu?: EventLoopUtilization
/**
- * Task performance timestamp.
+ * Task name.
*/
- readonly timestamp: number
+ readonly name: string
/**
* Task runtime.
*/
readonly runTime?: number
/**
- * Task event loop utilization.
+ * Task performance timestamp.
*/
- readonly elu?: EventLoopUtilization
+ readonly timestamp: number
}
/**
- * Performance statistics computation.
- *
+ * Worker task performance statistics computation settings.
* @internal
*/
export interface WorkerStatistics {
- runTime: boolean
- elu: boolean
+ /**
+ * Whether the worker computes the task event loop utilization (ELU) or not.
+ */
+ readonly elu: boolean
+ /**
+ * Whether the worker computes the task runtime or not.
+ */
+ readonly runTime: boolean
+}
+
+/**
+ * Task function properties.
+ */
+export interface TaskFunctionProperties {
+ /**
+ * Task function name.
+ */
+ readonly name: string
+ /**
+ * Task function priority. Lower values have higher priority.
+ */
+ readonly priority?: number
+ /**
+ * Task function worker choice strategy.
+ */
+ readonly strategy?: WorkerChoiceStrategy
}
/**
* Message object that is passed as a task between main worker and worker.
- *
* @typeParam Data - Type of data sent to the worker. This can only be structured-cloneable data.
* @internal
*/
export interface Task<Data = unknown> {
/**
- * Worker id.
+ * Task input data that will be passed to the worker.
*/
- readonly workerId: number
+ readonly data?: Data
/**
* Task name.
*/
readonly name?: string
/**
- * Task input data that will be passed to the worker.
+ * Task priority. Lower values have higher priority.
+ * @defaultValue 0
*/
- readonly data?: Data
+ readonly priority?: number
/**
- * Array of transferable objects.
+ * Task worker choice strategy.
+ */
+ readonly strategy?: WorkerChoiceStrategy
+ /**
+ * Task UUID.
*/
- readonly transferList?: TransferListItem[]
+ readonly taskId?: `${string}-${string}-${string}-${string}-${string}`
/**
* Timestamp.
*/
readonly timestamp?: number
/**
- * Task UUID.
+ * Array of transferable objects.
*/
- readonly taskId?: string
+ readonly transferList?: readonly TransferListItem[]
}
/**
* Message object that is passed between main worker and worker.
- *
* @typeParam Data - Type of data sent to the worker or execution response. This can only be structured-cloneable data.
* @typeParam ErrorData - Type of data sent to the worker triggering an error. This can only be structured-cloneable data.
* @internal
*/
export interface MessageValue<Data = unknown, ErrorData = unknown>
extends Task<Data> {
+ /**
+ * Whether the worker starts or stops its activity check.
+ */
+ readonly checkActive?: boolean
/**
* Kill code.
*/
- readonly kill?: KillBehavior | true
+ readonly kill?: 'failure' | 'success' | KillBehavior | true
/**
- * Task error.
+ * Message port.
*/
- readonly taskError?: TaskError<ErrorData>
+ readonly port?: MessagePort
/**
- * Task performance.
+ * Whether the worker is ready or not.
*/
- readonly taskPerformance?: TaskPerformance
+ readonly ready?: boolean
/**
* Whether the worker computes the given statistics or not.
*/
readonly statistics?: WorkerStatistics
/**
- * Whether the worker is ready or not.
+ * Task function serialized to string.
*/
- readonly ready?: boolean
+ readonly taskFunction?: string
/**
- * Whether the worker starts or stops its activity check.
+ * Task function operation:
+ * - `'add'` - Add a task function.
+ * - `'remove'` - Remove a task function.
+ * - `'default'` - Set a task function as default.
*/
- readonly checkActive?: boolean
+ readonly taskFunctionOperation?: 'add' | 'default' | 'remove'
/**
- * Message port.
+ * Whether the task function operation is successful or not.
*/
- readonly port?: MessagePort
+ readonly taskFunctionOperationStatus?: boolean
+ /**
+ * Task function properties.
+ */
+ readonly taskFunctionProperties?: TaskFunctionProperties
+ /**
+ * Task functions properties.
+ */
+ readonly taskFunctionsProperties?: TaskFunctionProperties[]
+ /**
+ * Task performance.
+ */
+ readonly taskPerformance?: TaskPerformance
+ /**
+ * Worker error.
+ */
+ readonly workerError?: WorkerError<ErrorData>
+ /**
+ * Worker id.
+ */
+ readonly workerId?: number
}
/**
* An object holding the task execution response promise resolve/reject callbacks.
- *
* @typeParam Response - Type of execution response. This can only be structured-cloneable data.
* @internal
*/
export interface PromiseResponseWrapper<Response = unknown> {
/**
- * Resolve callback to fulfill the promise.
+ * The asynchronous resource used to track the task execution.
*/
- readonly resolve: (value: Response | PromiseLike<Response>) => void
+ readonly asyncResource?: AsyncResource
/**
* Reject callback to reject the promise.
*/
readonly reject: (reason?: unknown) => void
+ /**
+ * Resolve callback to fulfill the promise.
+ */
+ readonly resolve: (value: PromiseLike<Response> | Response) => void
/**
* The worker node key executing the task.
*/
readonly workerNodeKey: number
}
+
+/**
+ * Remove readonly modifier from all properties of T.
+ * @typeParam T - Type to remove readonly modifier.
+ * @internal
+ */
+export type Writable<T> = { -readonly [P in keyof T]: T[P] }