Merge branch 'master' into multiple-functions

[poolifier.git] / src / pools / worker.ts

diff --git a/src/pools/worker.ts b/src/pools/worker.ts
index 4ff2c494664b571927f9d44e04fe3acbe3ec72e7..7bf86848690538010dd9acbf3cb2cee2bb411c26 100644 (file)
--- a/src/pools/worker.ts
+++ b/src/pools/worker.ts
@@ -1,43 +1,89 @@
 import type { CircularArray } from '../circular-array'
+import type { Queue } from '../queue'
 
 /**
  * Callback invoked if the worker has received a message.
  */
-export type MessageHandler<Worker> = (this: Worker, m: unknown) => void
+export type MessageHandler<Worker extends IWorker> = (
+  this: Worker,
+  m: unknown
+) => void
 
 /**
  * Callback invoked if the worker raised an error.
  */
-export type ErrorHandler<Worker> = (this: Worker, e: Error) => void
+export type ErrorHandler<Worker extends IWorker> = (
+  this: Worker,
+  e: Error
+) => void
 
 /**
  * Callback invoked when the worker has started successfully.
  */
-export type OnlineHandler<Worker> = (this: Worker) => void
+export type OnlineHandler<Worker extends IWorker> = (this: Worker) => void
 
 /**
  * Callback invoked when the worker exits successfully.
  */
-export type ExitHandler<Worker> = (this: Worker, code: number) => void
+export type ExitHandler<Worker extends IWorker> = (
+  this: Worker,
+  code: number
+) => void
 
 /**
- * Worker task interface.
+ * 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 serializable data.
+ * @internal
  */
 export interface Task<Data = unknown> {
-  data: Data
-  id: string
+  /**
+   * Task name.
+   */
+  readonly name?: string
+  /**
+   * Task input data that will be passed to the worker.
+   */
+  readonly data?: Data
+  /**
+   * UUID of the message.
+   */
+  readonly id?: string
 }
 
 /**
  * Worker tasks usage statistics.
+ *
+ * @internal
  */
 export interface TasksUsage {
+  /**
+   * Number of tasks executed.
+   */
   run: number
+  /**
+   * Number of tasks running.
+   */
   running: number
+  /**
+   * Tasks runtime.
+   */
   runTime: number
+  /**
+   * Tasks runtime history.
+   */
   runTimeHistory: CircularArray<number>
+  /**
+   * Average tasks runtime.
+   */
   avgRunTime: number
+  /**
+   * Median tasks runtime.
+   */
   medRunTime: number
+  /**
+   * Number of tasks errored.
+   */
   error: number
 }
 
@@ -49,14 +95,14 @@ export interface IWorker {
    * Register an event listener.
    *
    * @param event - The event.
-   * @param handler - The event listener.
+   * @param handler - The event handler.
    */
   on: ((event: 'message', handler: MessageHandler<this>) => void) &
   ((event: 'error', handler: ErrorHandler<this>) => void) &
   ((event: 'online', handler: OnlineHandler<this>) => void) &
   ((event: 'exit', handler: ExitHandler<this>) => void)
   /**
-   * Register a listener to the exit event that will only performed once.
+   * Register a listener to the exit event that will only be performed once.
    *
    * @param event - `'exit'`.
    * @param handler - The exit handler.
@@ -66,9 +112,22 @@ export interface IWorker {
 
 /**
  * Worker node interface.
+ *
+ * @typeParam Worker - Type of worker.
+ * @typeParam Data - Type of data sent to the worker. This can only be serializable data.
+ * @internal
  */
 export interface WorkerNode<Worker extends IWorker, Data = unknown> {
-  worker: Worker
+  /**
+   * Worker node worker.
+   */
+  readonly worker: Worker
+  /**
+   * Worker node tasks usage statistics.
+   */
   tasksUsage: TasksUsage
-  tasksQueue: Array<Task<Data>>
+  /**
+   * Worker node tasks queue.
+   */
+  readonly tasksQueue: Queue<Task<Data>>
 }