Fix SonarQube issues and bump version to 1.1.0

- Fix negated conditions in index.js, mcp-tools.js (S7735)
- Fix CSS contrast issues in style.css with solid background colors (S7924)
- Reduce cognitive complexity in dataService.js and public/app.js (S3776)
- Bump version from 1.0.12 to 1.1.0

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: Johnaverse

dataService.js

@@ -1289,6 +1289,24 @@ export function getRelationsById(chainId) {
  * @param {number} maxDepth - Maximum traversal depth (default: 2)
  * @returns {Object|null} Traversal result with nodes and edges, or null if chain not found
  */
+function collectRelationEdges(chain, chainId, depth, visited, edges, queue) {
+  const relations = chain.relations || [];
+  for (const rel of relations) {
+    if (rel.chainId === undefined) continue;
+
+    edges.push({
+      from: chainId,
+      to: rel.chainId,
+      kind: rel.kind,
+      source: rel.source
+    });
+
+    if (!visited.has(rel.chainId)) {
+      queue.push({ chainId: rel.chainId, depth: depth + 1 });
+    }
+  }
+}
+
 export function traverseRelations(startChainId, maxDepth = 2) {
   if (!cachedData.indexed) return null;
 
@@ -1315,22 +1333,8 @@ export function traverseRelations(startChainId, maxDepth = 2) {
       depth
     });
 
-    if (depth >= maxDepth) continue;
-
-    const relations = chain.relations || [];
-    for (const rel of relations) {
-      if (rel.chainId === undefined) continue;
-
-      edges.push({
-        from: chainId,
-        to: rel.chainId,
-        kind: rel.kind,
-        source: rel.source
-      });
-
-      if (!visited.has(rel.chainId)) {
-        queue.push({ chainId: rel.chainId, depth: depth + 1 });
-      }
+    if (depth < maxDepth) {
+      collectRelationEdges(chain, chainId, depth, visited, edges, queue);
     }
   }
 

index.js

@@ -189,7 +189,7 @@ export async function buildApp(options = {}) {
       return sendError(reply, 400, 'Invalid chain ID');
     }
 
-    const depth = request.query.depth !== undefined ? parseIntParam(request.query.depth) : 2;
+    const depth = request.query.depth === undefined ? 2 : parseIntParam(request.query.depth);
     if (depth === null || depth < 1 || depth > 5) {
       return sendError(reply, 400, 'Invalid depth. Must be between 1 and 5');
     }

mcp-tools.js

@@ -352,7 +352,7 @@ function handleTraverseRelations(args) {
     return errorResponse('Invalid chain ID');
   }
 
-  const maxDepth = depth !== undefined ? depth : 2;
+  const maxDepth = depth ?? 2;
   if (typeof maxDepth !== 'number' || maxDepth < 1 || maxDepth > 5) {
     return errorResponse('Invalid depth. Must be between 1 and 5');
   }
@@ -433,7 +433,7 @@ function handleGetRpcMonitorById(args) {
   ];
   for (const ep of chainResults) {
     const block = ep.blockNumber == null ? '' : ` — block #${ep.blockNumber}`;
-    const latency = ep.latencyMs != null ? ` [${ep.latencyMs}ms]` : '';
+    const latency = ep.latencyMs == null ? '' : ` [${ep.latencyMs}ms]`;
     const client = ep.clientVersion && ep.clientVersion !== 'unavailable' ? ` (${ep.clientVersion})` : '';
     lines.push(
       `- **${ep.status}** ${ep.url}${block}${latency}${client}`,

package.json

@@ -1,6 +1,6 @@
 {
   "name": "chains-api",
-  "version": "1.0.12",
+  "version": "1.1.0",
   "description": "API query service for blockchain chain data from multiple sources",
   "main": "index.js",
   "type": "module",