fix: avoid null exception at checking worker node readiness

Signed-off-by: Jérôme Benoit <jerome.benoit@piment-noir.org>

Author: jerome-benoit

CHANGELOG.md

@@ -11,6 +11,7 @@ and this project adheres to
 ### Fixed
 
 - Avoid null exception at sending message to worker.
+- Avoid null exception at checking worker node readiness.
 
 ## [0.0.3] - 2023-10-17
 

src/pools/selection-strategies/abstract-worker-choice-strategy.ts

@@ -124,7 +124,7 @@ export abstract class AbstractWorkerChoiceStrategy<
    * @returns Whether the worker node is ready or not.
    */
   protected isWorkerNodeReady(workerNodeKey: number): boolean {
-    return this.pool.workerNodes[workerNodeKey]?.info.ready ?? false
+    return this.pool.workerNodes[workerNodeKey]?.info?.ready ?? false
   }
 
   /**