working

src/specificClass.js

@@ -45,6 +45,10 @@ function updateTemplatingVar(dashboard, varName, value) {
   variable.query = value;
 }
 
+/**
+ * Dashboard domain service.
+ * Builds Grafana dashboard payloads from EVOLV node config and child topology.
+ */
 class DashboardApi {
   constructor(config = {}) {
     this.config = {
@@ -88,11 +92,13 @@ class DashboardApi {
       if (fs.existsSync(fullPath)) return fullPath;
     }
 
-    throw new Error(`No dashboard template found for softwareType=${st}`);
+    this.logger.warn(`No dashboard template found for softwareType=${st}`);
+    return null;
   }
 
   loadTemplate(softwareType) {
     const templatePath = this._templateFileForSoftwareType(softwareType);
+    if (!templatePath) return null;
     const raw = fs.readFileSync(templatePath, 'utf8');
     return JSON.parse(raw);
   }
@@ -111,7 +117,12 @@ class DashboardApi {
     const measurementName = `${softwareType}_${nodeId}`;
     const title = nodeConfig?.general?.name || String(nodeId);
 
+    // Missing templates are treated as non-fatal: we skip only that dashboard.
     const dashboard = this.loadTemplate(softwareType);
+    if (!dashboard) {
+      this.logger.warn(`Skipping dashboard generation: no template for softwareType=${softwareType}`);
+      return null;
+    }
     const uid = stableUid(`${softwareType}:${nodeId}`);
 
     dashboard.id = null;
@@ -150,11 +161,13 @@ class DashboardApi {
 
   generateDashboardsForGraph(rootSource, { includeChildren = true } = {}) {
     if (!rootSource?.config) {
-      throw new Error('generateDashboardsForGraph requires a node source with `.config`');
+      this.logger.warn('generateDashboardsForGraph skipped: root source missing config');
+      return [];
     }
 
     const rootPosition = rootSource?.positionVsParent || rootSource?.config?.functionality?.positionVsParent;
     const rootDash = this.buildDashboard({ nodeConfig: rootSource.config, positionVsParent: rootPosition });
+    if (!rootDash) return [];
 
     const results = [rootDash];
 
@@ -163,7 +176,7 @@ class DashboardApi {
     const children = this.extractChildren(rootSource);
     for (const { childSource, positionVsParent } of children) {
       const childDash = this.buildDashboard({ nodeConfig: childSource.config, positionVsParent });
-      results.push(childDash);
+      if (childDash) results.push(childDash);
     }
 
     // Add links from the root dashboard to children dashboards (when possible)