move hovermode coerce outside the loop

Author: archmoj

src/plots/cartesian/layout_defaults.js

@@ -207,6 +207,9 @@ module.exports = function supplyLayoutDefaults(layoutIn, layoutOut, fullData) {
         }
     }
 
+    var hovermode = handleHoverModeDefaults(layoutIn, layoutOut, fullData);
+    var unifiedHover = isUnifiedHover(hovermode);
+
     // first pass creates the containers, determines types, and handles most of the settings
     for(i = 0; i < axNames.length; i++) {
         axName = axNames[i];
@@ -251,8 +254,6 @@ module.exports = function supplyLayoutDefaults(layoutIn, layoutOut, fullData) {
         handleTypeDefaults(axLayoutIn, axLayoutOut, coerce, defaultOptions);
         handleAxisDefaults(axLayoutIn, axLayoutOut, coerce, defaultOptions, layoutOut);
 
-        var hovermode = handleHoverModeDefaults(layoutIn, layoutOut, fullData);
-        var unifiedHover = isUnifiedHover(hovermode);
         var unifiedSpike = unifiedHover && axLetter === hovermode.charAt(0);
         var spikecolor = coerce2('spikecolor', unifiedHover ? axLayoutOut.color : undefined);
         var spikethickness = coerce2('spikethickness', unifiedHover ? 1.5 : undefined);