Merge pull request #2164 from poolifier/dependabot/npm_and_yarn/tatami-ng-0.3.0

[poolifier.git] / src / pools / selection-strategies / least-used-worker-choice-strategy.ts

diff --git a/src/pools/selection-strategies/least-used-worker-choice-strategy.ts b/src/pools/selection-strategies/least-used-worker-choice-strategy.ts
index dc249e6523b9b792d52063185b1dffc3e8e37f6b..e45d57549580b883c1f6a185dc7701b861004336 100644 (file)
--- a/src/pools/selection-strategies/least-used-worker-choice-strategy.ts
+++ b/src/pools/selection-strategies/least-used-worker-choice-strategy.ts
@@ -1,11 +1,10 @@
-import { DEFAULT_WORKER_CHOICE_STRATEGY_OPTIONS } from '../../utils'
-import type { IPool } from '../pool'
-import type { IWorker } from '../worker'
-import { AbstractWorkerChoiceStrategy } from './abstract-worker-choice-strategy'
+import type { IPool } from '../pool.js'
+import type { IWorker } from '../worker.js'
+import { AbstractWorkerChoiceStrategy } from './abstract-worker-choice-strategy.js'
 import type {
   IWorkerChoiceStrategy,
   WorkerChoiceStrategyOptions
-} from './selection-strategies-types'
+} from './selection-strategies-types.js'
 
 /**
  * Selects the least used worker.
@@ -24,10 +23,9 @@ export class LeastUsedWorkerChoiceStrategy<
   /** @inheritDoc */
   public constructor (
     pool: IPool<Worker, Data, Response>,
-    opts: WorkerChoiceStrategyOptions = DEFAULT_WORKER_CHOICE_STRATEGY_OPTIONS
+    opts?: WorkerChoiceStrategyOptions
   ) {
     super(pool, opts)
-    this.setTaskStatisticsRequirements(this.opts)
   }
 
   /** @inheritDoc */
@@ -53,14 +51,18 @@ export class LeastUsedWorkerChoiceStrategy<
   }
 
   private leastUsedNextWorkerNodeKey (): number | undefined {
+    if (this.pool.workerNodes.length === 0) {
+      return undefined
+    }
     return this.pool.workerNodes.reduce(
       (minWorkerNodeKey, workerNode, workerNodeKey, workerNodes) => {
-        return workerNode.usage.tasks.executed +
-          workerNode.usage.tasks.executing +
-          workerNode.usage.tasks.queued <
-          workerNodes[minWorkerNodeKey].usage.tasks.executed +
-            workerNodes[minWorkerNodeKey].usage.tasks.executing +
-            workerNodes[minWorkerNodeKey].usage.tasks.queued
+        return this.isWorkerNodeReady(workerNodeKey) &&
+          workerNode.usage.tasks.executed +
+            workerNode.usage.tasks.executing +
+            workerNode.usage.tasks.queued <
+            workerNodes[minWorkerNodeKey].usage.tasks.executed +
+              workerNodes[minWorkerNodeKey].usage.tasks.executing +
+              workerNodes[minWorkerNodeKey].usage.tasks.queued
           ? workerNodeKey
           : minWorkerNodeKey
       },