From c2598b0188942ad3f844fc7d100630ede838dedf Mon Sep 17 00:00:00 2001
From: Gonzalo Diaz <devel@gon.cl>
Date: Thu, 9 May 2024 15:59:37 -0400
Subject: [PATCH] [BUGFIX] sonarcloud typescript:S6582 fixed.

Prefer using an optional chain expression instead, as it's more concise and easier to read.
---
 src/projecteuler/lib/BNodeBuilder.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/projecteuler/lib/BNodeBuilder.ts b/src/projecteuler/lib/BNodeBuilder.ts
index ef81bfb9..2a768814 100644
--- a/src/projecteuler/lib/BNodeBuilder.ts
+++ b/src/projecteuler/lib/BNodeBuilder.ts
@@ -39,7 +39,7 @@ export default class BNodeBuilder<T = number> extends BNode<T> {
     if (dataTree[i]?.[j]) {
       const resultNode = new BNode<number>(dataTree[i][j] + (rootValue ?? 0));
 
-      if (dataTree[i + 1] && dataTree[i + 1][j] && dataTree[i + 1][j + 1]) {
+      if (dataTree?.[i + 1]?.[j] && dataTree?.[i + 1]?.[j + 1]) {
         // Next left coordinates: [i + 1][j]
         resultNode.setLeft(
           BNodeBuilder.buildBNodeTreeWeight(