ensure that range selector attributes are only coerced for date axes

Author: etpinard

src/components/range_selector/draw.js

@@ -107,7 +107,9 @@ function makeSelectorData(gd) {
     for(var i = 0; i < axes.length; i++) {
         var axis = axes[i];
 
-        if(axis.rangeselector.visible) data.push(axis);
+        if(axis.rangeselector && axis.rangeselector.visible) {
+            data.push(axis);
+        }
     }
 
     return data;

src/plots/cartesian/layout_defaults.js

@@ -134,7 +134,7 @@ module.exports = function supplyLayoutDefaults(layoutIn, layoutOut, fullData) {
         handleAxisDefaults(axLayoutIn, axLayoutOut, coerce, defaultOptions);
         handlePositionDefaults(axLayoutIn, axLayoutOut, coerce, positioningOptions);
 
-        if(axLetter === 'x') {
+        if(axLetter === 'x' && axLayoutOut.type === 'date') {
             // TODO add check on axis type 'date'
             rangeSelectorDefaults(axLayoutIn, axLayoutOut, layoutOut);
         }