feat: add option to enable worker tasks queue

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

diff --git a/src/pools/pool.ts b/src/pools/pool.ts
index dbbb5969ebd920022e31d64d156f087065aa9d12..9d18ed70c7cd0d8204c510cfb52f5a774fe831be 100644 (file)
--- a/src/pools/pool.ts
+++ b/src/pools/pool.ts
@@ -1,10 +1,10 @@
-import EventEmitter from 'events'
+import EventEmitter from 'node:events'
 import type {
   ErrorHandler,
   ExitHandler,
   MessageHandler,
   OnlineHandler
-} from './pool-worker'
+} from './worker'
 import type { WorkerChoiceStrategy } from './selection-strategies/selection-strategies-types'
 
 /**
@@ -12,6 +12,19 @@ import type { WorkerChoiceStrategy } from './selection-strategies/selection-stra
  */
 export class PoolEmitter extends EventEmitter {}
 
+/**
+ * Enumeration of pool events.
+ */
+export const PoolEvents = Object.freeze({
+  full: 'full',
+  busy: 'busy'
+} as const)
+
+/**
+ * Pool event.
+ */
+export type PoolEvent = keyof typeof PoolEvents
+
 /**
  * Options for a poolifier pool.
  */
@@ -42,6 +55,13 @@ export interface PoolOptions<Worker> {
    * @defaultValue true
    */
   enableEvents?: boolean
+  /**
+   * Pool worker tasks queue.
+   *
+   * @experimental
+   * @defaultValue false
+   */
+  enableTasksQueue?: boolean
 }
 
 /**
@@ -56,7 +76,8 @@ export interface IPool<Data = unknown, Response = unknown> {
    *
    * Events that can currently be listened to:
    *
-   * - `'busy'`
+   * - `'full'`: Emitted when the pool is dynamic and full.
+   * - `'busy'`: Emitted when the pool is busy.
    */
   readonly emitter?: PoolEmitter
   /**