Some minor fixed in dotparser

lib/network/dotparser.js

@@ -17,7 +17,7 @@ function parseDOT (data) {
 }
 
 // mapping of attributes from DOT (the keys) to vis.js (the values)
-var ATTR_MAPPING = {
+var NODE_ATTR_MAPPING = {
   'fontsize': 'font.size',
   'fontcolor': 'font.color',
   'labelfontcolor': 'font.color',
@@ -27,6 +27,8 @@ var ATTR_MAPPING = {
   'tooltip': 'title',
   'labeltooltip': 'title'
 };
+var EDGE_ATTR_MAPPING = Object.create(NODE_ATTR_MAPPING);
+EDGE_ATTR_MAPPING.color = 'color.color';
 
 // token types enumeration
 var TOKENTYPE = {
@@ -769,22 +771,23 @@ function setProp(object, path, value) {
 
 /**
  * Convert an object with DOT attributes to their vis.js equivalents.
- * @param {Object} attr   Object with DOT attributes
- * @return {Object}       Returns an object with vis.js attributes
+ * @param {Object} attr     Object with DOT attributes
+ * @param {Object} mapping
+ * @return {Object}         Returns an object with vis.js attributes
  */
-function convertAttr (attr) {
+function convertAttr (attr, mapping) {
   var converted = {};
 
   for (var prop in attr) {
     if (attr.hasOwnProperty(prop)) {
-      var mapping = ATTR_MAPPING[prop];
-      if (Array.isArray(mapping)) {
-        mapping.forEach(function (mapping_i) {
-          setProp(converted, mapping_i, attr[prop]);
+      var visProp = mapping[prop];
+      if (Array.isArray(visProp)) {
+        visProp.forEach(function (visPropI) {
+          setProp(converted, visPropI, attr[prop]);
         })
       }
-      else if (typeof mapping === 'string') {
-        setProp(converted, mapping, attr[prop]);
+      else if (typeof visProp === 'string') {
+        setProp(converted, visProp, attr[prop]);
       }
       else {
         setProp(converted, prop, attr[prop]);
@@ -817,7 +820,7 @@ function DOTToGraph (data) {
         id: dotNode.id,
         label: String(dotNode.label || dotNode.id)
       };
-      merge(graphNode, convertAttr(dotNode.attr));
+      merge(graphNode, convertAttr(dotNode.attr, NODE_ATTR_MAPPING));
       if (graphNode.image) {
         graphNode.shape = 'image';
       }
@@ -837,7 +840,7 @@ function DOTToGraph (data) {
         from: dotEdge.from,
         to: dotEdge.to
       };
-      merge(graphEdge, convertAttr(dotEdge.attr));
+      merge(graphEdge, convertAttr(dotEdge.attr, EDGE_ATTR_MAPPING));
       graphEdge.arrows = (dotEdge.type === '->') ? 'to' : undefined;
 
       return graphEdge;