add opts arg to hoverPoints

Author: archmoj

src/traces/contour/hover.js

@@ -5,7 +5,7 @@ var Color = require('../../components/color');
 var heatmapHoverPoints = require('../heatmap/hover');
 
 module.exports = function hoverPoints(pointData, xval, yval, hovermode, hoverLayer) {
-    var hoverData = heatmapHoverPoints(pointData, xval, yval, hovermode, hoverLayer, true);
+    var hoverData = heatmapHoverPoints(pointData, xval, yval, hovermode, hoverLayer, {isContour: true});
 
     if(hoverData) {
         hoverData.forEach(function(hoverPt) {

src/traces/heatmap/hover.js

@@ -5,7 +5,10 @@ var Lib = require('../../lib');
 var Axes = require('../../plots/cartesian/axes');
 var extractOpts = require('../../components/colorscale').extractOpts;
 
-module.exports = function hoverPoints(pointData, xval, yval, hovermode, hoverLayer, contour) {
+module.exports = function hoverPoints(pointData, xval, yval, hovermode, hoverLayer, opts) {
+    if(!opts) opts = {};
+    var isContour = opts.isContour;
+
     var cd0 = pointData.cd[0];
     var trace = cd0.trace;
     var xa = pointData.xa;
@@ -38,7 +41,7 @@ module.exports = function hoverPoints(pointData, xval, yval, hovermode, hoverLay
             Fx.inbox(yval - y[0], yval - y[y.length - 1], 0) > 0) {
         return;
     } else {
-        if(contour) {
+        if(isContour) {
             var i2;
             x2 = [2 * x[0] - x[1]];
 
@@ -63,7 +66,7 @@ module.exports = function hoverPoints(pointData, xval, yval, hovermode, hoverLay
     var y1 = ya.c2p(y[ny + 1]);
 
     var _x, _y;
-    if(contour) {
+    if(isContour) {
         _x = cd0.orig_x || x;
         _y = cd0.orig_y || y;
 

src/traces/histogram2d/hover.js

@@ -3,8 +3,8 @@
 var heatmapHover = require('../heatmap/hover');
 var hoverLabelText = require('../../plots/cartesian/axes').hoverLabelText;
 
-module.exports = function hoverPoints(pointData, xval, yval, hovermode, hoverLayer, contour) {
-    var pts = heatmapHover(pointData, xval, yval, hovermode, hoverLayer, contour);
+module.exports = function hoverPoints(pointData, xval, yval, hovermode, hoverLayer, opts) {
+    var pts = heatmapHover(pointData, xval, yval, hovermode, hoverLayer, opts);
 
     if(!pts) return;