reset the stack index at the end of every stack

otherwise the stack offsets don't reset properly
elastic · Jun 5, 2015 · 43c6e30 · 43c6e30
1 parent 0325408
commit 43c6e30
Showing 1 changed file with 6 additions and 3 deletions.
diff --git a/src/kibana/components/vislib/visualizations/_point_series_chart.js b/src/kibana/components/vislib/visualizations/_point_series_chart.js
@@ -16,16 +16,19 @@ define(function (require) {
     }
 
     PointSeriesChart.prototype._stackMixedValues = function (stackCount) {
-      var currentStackOffsets = [];
+      var currentStackOffsets = [0, 0];
       var currentStackIndex = 0;
 
       return function (d, y0, y) {
-        if (currentStackIndex++ % stackCount === 0) {
+        var firstStack = currentStackIndex % stackCount === 0;
+        var lastStack = ++currentStackIndex === stackCount;
 
-          // if the current stack index has reached the final stack, reset the stack count
+        if (firstStack) {
           currentStackOffsets = [0, 0];
         }
 
+        if (lastStack) currentStackIndex = 0;
+
         if (y >= 0) {
           d.y0 = currentStackOffsets[1];
           currentStackOffsets[1] += y;