Merge pull request #421 from sir-gon/feature/sonarcloud-bugfixes

Feature/sonarcloud bugfixes

Author: sir-gon

src/projecteuler/lib/BNodeBuilder.js

@@ -7,7 +7,7 @@ export default class BNodeBuilder extends BNode {
     if (dataTree[i]?.[j]) {
       const resultNode = new BNode(dataTree[i][j]);
 
-      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.buildBNodeTree(dataTree, i + 1, j));
 

src/projecteuler/problem0018.js

@@ -26,7 +26,8 @@ export function problem0018(_triangle) {
   console.debug('_triangle', JSON.stringify(weightsTree, null, 4));
   console.debug('leafs count', leafs.length, 'leafs', leafs);
 
-  const max = leafs.reduce((a, b) => (a > b ? a : b));
+  const __START_FROM__ = 0;
+  const max = leafs.reduce((a, b) => (a > b ? a : b), __START_FROM__);
 
   return max;
 }