Add blackduck

Fix issue with coloring

.circleci/config.yml

@@ -18,6 +18,14 @@ jobs:
       - run:
           name: Install dependencies
           command: npm install
+      - run:
+          name: BlackDuck scan
+          command: curl -s https://blackducksoftware.github.io/hub-detect/hub-detect.sh | bash -s -- \
+            --blackduck.url="https://qliktech.blackducksoftware.com" \
+            --blackduck.trust.cert=true \
+            --blackduck.username="svc-blackduck" \
+            --blackduck.password=${svc_blackduck} \
+            --detect.project.name="viz-bundle-qlik-network-chart"
       - run:
           name: Run tests
           command: npm run test-once

src/paint.js

@@ -116,9 +116,10 @@ function paint ( $element, layout, qTheme, component ) {
           value: dataSet[i].nodeValue
         };
         nodes.push(nodeItem); // create node
+        groups[nodeItem.group] = {};
       }
     }
-    const colors = colorScale.scale[Math.max(Object.keys(groups).length-1, colorScale.scale.length-1)];
+    const colors = colorScale.scale[Math.min(Object.keys(groups).length-1, colorScale.scale.length-1)];
 
     Object.keys(groups).forEach(function(g,i) {
       groups[g].color = getColor(i, colors);