build(deps-dev): apply updates

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

diff --git a/src/pools/abstract-pool.ts b/src/pools/abstract-pool.ts
index 5d79cb43b09c18ea6c4f7b5fc46382822ba48a41..3f6fa98ae373cfb7054747f089ebaa6fb0c84420 100644 (file)
--- a/src/pools/abstract-pool.ts
+++ b/src/pools/abstract-pool.ts
@@ -283,6 +283,7 @@ export abstract class AbstractPool<
       ready: this.ready,
       // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
       strategy: this.opts.workerChoiceStrategy!,
+      strategyRetries: this.workerChoiceStrategyContext?.retriesCount ?? 0,
       minSize: this.minimumNumberOfWorkers,
       maxSize: this.maximumNumberOfWorkers ?? this.minimumNumberOfWorkers,
       ...(this.workerChoiceStrategyContext?.getTaskStatisticsRequirements()
@@ -443,6 +444,9 @@ export abstract class AbstractPool<
    * The pool readiness boolean status.
    */
   private get ready (): boolean {
+    if (this.empty) {
+      return false
+    }
     return (
       this.workerNodes.reduce(
         (accumulator, workerNode) =>
@@ -454,6 +458,13 @@ export abstract class AbstractPool<
     )
   }
 
+  /**
+   * The pool emptiness boolean status.
+   */
+  protected get empty (): boolean {
+    return this.minimumNumberOfWorkers === 0 && this.workerNodes.length === 0
+  }
+
   /**
    * The approximate pool utilization.
    *
@@ -703,7 +714,7 @@ export abstract class AbstractPool<
         message: MessageValue<Response>
       ): void => {
         this.checkMessageWorkerId(message)
-        const workerId = this.getWorkerInfo(workerNodeKey).id
+        const workerId = this.getWorkerInfo(workerNodeKey)?.id
         if (
           message.taskFunctionOperationStatus != null &&
           message.workerId === workerId
@@ -1157,6 +1168,7 @@ export abstract class AbstractPool<
   private shallUpdateTaskFunctionWorkerUsage (workerNodeKey: number): boolean {
     const workerInfo = this.getWorkerInfo(workerNodeKey)
     return (
+      workerInfo != null &&
       Array.isArray(workerInfo.taskFunctionNames) &&
       workerInfo.taskFunctionNames.length > 2
     )
@@ -1243,7 +1255,8 @@ export abstract class AbstractPool<
       ) {
         this.redistributeQueuedTasks(this.workerNodes.indexOf(workerNode))
       }
-      workerNode.terminate().catch(error => {
+      // eslint-disable-next-line @typescript-eslint/no-unnecessary-condition
+      workerNode?.terminate().catch(error => {
         this.emitter?.emit(PoolEvents.error, error)
       })
     })
@@ -1271,7 +1284,7 @@ export abstract class AbstractPool<
       const localWorkerNodeKey = this.getWorkerNodeKeyByWorkerId(
         message.workerId
       )
-      const workerUsage = this.workerNodes[localWorkerNodeKey].usage
+      const workerUsage = this.workerNodes[localWorkerNodeKey]?.usage
       // Kill message received from worker
       if (
         isKillBehavior(KillBehaviors.HARD, message.kill) ||
@@ -1536,13 +1549,14 @@ export abstract class AbstractPool<
       (this.info.stealingWorkerNodes ?? 0) >
         Math.floor(this.workerNodes.length / 2)
     ) {
-      if (previousStolenTask != null) {
+      if (workerInfo != null && previousStolenTask != null) {
         workerInfo.stealing = false
       }
       return
     }
     const workerNodeTasksUsage = this.workerNodes[workerNodeKey].usage.tasks
     if (
+      workerInfo != null &&
       previousStolenTask != null &&
       workerNodeTasksUsage.sequentiallyStolen > 0 &&
       (workerNodeTasksUsage.executing > 0 ||
@@ -1560,6 +1574,11 @@ export abstract class AbstractPool<
       this.resetTaskSequentiallyStolenStatisticsWorkerUsage(workerNodeKey)
       return
     }
+    if (workerInfo == null) {
+      throw new Error(
+        `Worker node with key '${workerNodeKey}' not found in pool`
+      )
+    }
     workerInfo.stealing = true
     const stolenTask = this.workerNodeStealTask(workerNodeKey)
     if (
@@ -1595,7 +1614,9 @@ export abstract class AbstractPool<
         this.handleWorkerNodeIdleEvent(eventDetail, stolenTask)
         return undefined
       })
-      .catch(EMPTY_FUNCTION)
+      .catch(error => {
+        this.emitter?.emit(PoolEvents.error, error)
+      })
   }
 
   private readonly workerNodeStealTask = (
@@ -1660,6 +1681,11 @@ export abstract class AbstractPool<
           this.opts.tasksQueueOptions!.size! - sizeOffset
       ) {
         const workerInfo = this.getWorkerInfo(workerNodeKey)
+        if (workerInfo == null) {
+          throw new Error(
+            `Worker node with key '${workerNodeKey}' not found in pool`
+          )
+        }
         workerInfo.stealing = true
         // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
         const task = sourceWorkerNode.popTask()!
@@ -1687,9 +1713,19 @@ export abstract class AbstractPool<
       this.handleTaskExecutionResponse(message)
     } else if (taskFunctionNames != null) {
       // Task function names message received from worker
-      this.getWorkerInfo(
+      const workerInfo = this.getWorkerInfo(
         this.getWorkerNodeKeyByWorkerId(workerId)
-      ).taskFunctionNames = taskFunctionNames
+      )
+      if (workerInfo != null) {
+        workerInfo.taskFunctionNames = taskFunctionNames
+      }
+    }
+  }
+
+  private checkAndEmitReadyEvent (): void {
+    if (!this.readyEventEmitted && this.ready) {
+      this.emitter?.emit(PoolEvents.ready, this.info)
+      this.readyEventEmitted = true
     }
   }
 
@@ -1702,10 +1738,7 @@ export abstract class AbstractPool<
       this.workerNodes[this.getWorkerNodeKeyByWorkerId(workerId)]
     workerNode.info.ready = ready
     workerNode.info.taskFunctionNames = taskFunctionNames
-    if (!this.readyEventEmitted && this.ready) {
-      this.emitter?.emit(PoolEvents.ready, this.info)
-      this.readyEventEmitted = true
-    }
+    this.checkAndEmitReadyEvent()
   }
 
   private handleTaskExecutionResponse (message: MessageValue<Response>): void {
@@ -1733,7 +1766,8 @@ export abstract class AbstractPool<
       this.afterTaskExecutionHook(workerNodeKey, message)
       // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
       this.promiseResponseMap.delete(taskId!)
-      workerNode.emit('taskFinished', taskId)
+      // eslint-disable-next-line @typescript-eslint/no-unnecessary-condition
+      workerNode?.emit('taskFinished', taskId)
       if (this.opts.enableTasksQueue === true && !this.destroying) {
         const workerNodeTasksUsage = workerNode.usage.tasks
         if (
@@ -1751,8 +1785,7 @@ export abstract class AbstractPool<
           workerNodeTasksUsage.sequentiallyStolen === 0
         ) {
           workerNode.emit('idle', {
-            // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
-            workerId: workerId!,
+            workerId,
             workerNodeKey
           })
         }
@@ -1783,13 +1816,8 @@ export abstract class AbstractPool<
    * @param workerNodeKey - The worker node key.
    * @returns The worker information.
    */
-  protected getWorkerInfo (workerNodeKey: number): WorkerInfo {
-    const workerInfo = this.workerNodes[workerNodeKey]?.info
-    // eslint-disable-next-line @typescript-eslint/no-unnecessary-condition
-    if (workerInfo == null) {
-      throw new Error(`Worker node with key '${workerNodeKey}' not found`)
-    }
-    return workerInfo
+  protected getWorkerInfo (workerNodeKey: number): WorkerInfo | undefined {
+    return this.workerNodes[workerNodeKey]?.info
   }
 
   /**
@@ -1834,6 +1862,13 @@ export abstract class AbstractPool<
     return workerNodeKey
   }
 
+  private checkAndEmitEmptyEvent (): void {
+    if (this.empty) {
+      this.emitter?.emit(PoolEvents.empty, this.info)
+      this.readyEventEmitted = false
+    }
+  }
+
   /**
    * Removes the worker node from the pool worker nodes.
    *
@@ -1845,10 +1880,14 @@ export abstract class AbstractPool<
       this.workerNodes.splice(workerNodeKey, 1)
       this.workerChoiceStrategyContext?.remove(workerNodeKey)
     }
+    this.checkAndEmitEmptyEvent()
   }
 
   protected flagWorkerNodeAsNotReady (workerNodeKey: number): void {
-    this.getWorkerInfo(workerNodeKey).ready = false
+    const workerInfo = this.getWorkerInfo(workerNodeKey)
+    if (workerInfo != null) {
+      workerInfo.ready = false
+    }
   }
 
   private hasBackPressure (): boolean {