PieChart: Fix sorting for null values in piechart (#39516)

* Fix sorting for null values in piechart Co-authored-by: Ashley Harrison <ashley.harrison@grafana.com>
2021-09-23 10:40:44 +02:00
parent b891af935a
commit 4a6e354497
1 changed files with 9 additions and 1 deletions
@@ -87,7 +87,15 @@ function getLegend(props: Props, displayValues: FieldDisplay[]) {

  const legendItems = displayValues
    // Since the pie chart is always sorted, let's sort the legend as well.
-    .sort((a, b) => b.display.numeric - a.display.numeric)
+    .sort((a, b) => {
+      if (isNaN(a.display.numeric)) {
+        return 1;
+      } else if (isNaN(b.display.numeric)) {
+        return -1;
+      } else {
+        return b.display.numeric - a.display.numeric;
+      }
+    })
    .map<VizLegendItem>((value, idx) => {
      const hidden = value.field.custom.hideFrom.viz;
      const display = value.display;