Merge pull request #377 from AppQuality/fix-device-chart

fix(campaign): Prevent removal of inner slice in device widget when there is only one device

Author: iacopolea

src/pages/Campaign/widgets/TotalBugsByOsAndDevices/ChartTotalBugsByDevice/useBugsByDevices.ts

@@ -85,10 +85,18 @@ const useBugsByDevices = (campaignId: number) => {
   }, [data]);
 
   // If there is only one type of device, remove the first level
-  if (chartData.children && chartData.children.length === 1) {
+  if (
+    chartData.children &&
+    chartData.children.length === 1 &&
+    chartData.children[0].children
+  ) {
     chartData.children = chartData.children[0].children;
     // If there is only one OS, remove the second level
-    if (chartData.children && chartData.children.length === 1) {
+    if (
+      chartData.children &&
+      chartData.children.length === 1 &&
+      chartData.children[0].children
+    ) {
       chartData.children = chartData.children[0].children;
     }
   }