merge hoverlabel items in scatter and bar calcdata

Author: etpinard

src/traces/bar/arrays_to_calcdata.js

@@ -28,4 +28,12 @@ module.exports = function arraysToCalcdata(cd, trace) {
             mergeArray(markerLine.width, cd, 'mlw');
         }
     }
+
+    if(trace.hoverlabel) {
+        mergeArray(trace.hoverlabel.bgcolor, cd, 'hbg');
+        mergeArray(trace.hoverlabel.bordercolor, cd, 'hbc');
+        mergeArray(trace.hoverlabel.font.size, cd, 'hts');
+        mergeArray(trace.hoverlabel.font.color, cd, 'htc');
+        mergeArray(trace.hoverlabel.font.family, cd, 'htf');
+    }
 };

src/traces/scatter/arrays_to_calcdata.js

@@ -17,8 +17,10 @@ module.exports = function arraysToCalcdata(cd, trace) {
 
     Lib.mergeArray(trace.text, cd, 'tx');
     Lib.mergeArray(trace.hovertext, cd, 'htx');
+
     Lib.mergeArray(trace.customdata, cd, 'data');
     Lib.mergeArray(trace.textposition, cd, 'tp');
+
     if(trace.textfont) {
         Lib.mergeArray(trace.textfont.size, cd, 'ts');
         Lib.mergeArray(trace.textfont.color, cd, 'tc');
@@ -38,4 +40,12 @@ module.exports = function arraysToCalcdata(cd, trace) {
             Lib.mergeArray(markerLine.width, cd, 'mlw');
         }
     }
+
+    if(trace.hoverlabel) {
+        Lib.mergeArray(trace.hoverlabel.bgcolor, cd, 'hbg');
+        Lib.mergeArray(trace.hoverlabel.bordercolor, cd, 'hbc');
+        Lib.mergeArray(trace.hoverlabel.font.size, cd, 'hts');
+        Lib.mergeArray(trace.hoverlabel.font.color, cd, 'htc');
+        Lib.mergeArray(trace.hoverlabel.font.family, cd, 'htf');
+    }
 };