Change function parameter name and syntax fix

Author: nicholas-esterer

src/components/shapes/helpers.js

@@ -58,12 +58,12 @@ exports.extractPathCoords = function(path, paramsToUse) {
     return extractedCoordinates;
 };
 
-exports.getDataToPixel = function(gd, axis, isVertical, opt) {
+exports.getDataToPixel = function(gd, axis, isVertical, refType) {
     var gs = gd._fullLayout._size;
     var dataToPixel;
 
     if(axis) {
-        if(opt === 'domain') {
+        if(refType === 'domain') {
             dataToPixel = function(v) {
                 return axis._length * (isVertical ? (1 - v) : v) + axis._offset;
             };

test/jasmine/tests/mock_test.js

@@ -1313,7 +1313,7 @@ figs['date_axes_period_breaks_automargin'] = require('@mocks/date_axes_period_br
 figs['date_histogram'] = require('@mocks/date_histogram');
 // figs['dendrogram'] = require('@mocks/dendrogram');
 figs['display-text_zero-number'] = require('@mocks/display-text_zero-number');
-figs['domain_refs'] = require("@mocks/domain_refs");
+figs['domain_refs'] = require('@mocks/domain_refs');
 figs['earth_heatmap'] = require('@mocks/earth_heatmap');
 figs['electric_heatmap'] = require('@mocks/electric_heatmap');
 figs['empty'] = require('@mocks/empty');