add new errobar style step (now grabs data from trace <g>)

src/components/errorbars/style.js

@@ -0,0 +1,35 @@
+/**
+* Copyright 2012-2016, Plotly, Inc.
+* All rights reserved.
+*
+* This source code is licensed under the MIT license found in the
+* LICENSE file in the root directory of this source tree.
+*/
+
+
+'use strict';
+
+var d3 = require('d3');
+
+var Color = require('../color');
+
+
+module.exports = function style(traces) {
+    traces.each(function(d) {
+        var trace = d[0].trace,
+            yObj = trace.error_y || {},
+            xObj = trace.error_x || {};
+
+        var s = d3.select(this);
+
+        s.selectAll('path.yerror')
+            .style('stroke-width', yObj.thickness + 'px')
+            .call(Color.stroke, yObj.color);
+
+        if(xObj.copy_ystyle) xObj = yObj;
+
+        s.selectAll('path.xerror')
+            .style('stroke-width', xObj.thickness + 'px')
+            .call(Color.stroke, xObj.color);
+    });
+};