Clear generated graph nodes on each render of a graph.

README.md

@@ -228,6 +228,9 @@ minimize a global energy function, which is equivalent to statistical multi-dime
 
 # Release Notes
 
+## v0.3.5 (Septemper 22, 2014)
+Fix issue with number of graph node lines increased with each render (Thanks to Colin H. Fredericks).
+
 ## v0.3.4 (Septemper 04, 2014)
 Correctly detect circular dependencies when using path aliases in RequireJS config (Thanks to Nicolas Ramz).
 

lib/graph.js

@@ -5,8 +5,7 @@
  */
 var exec = require('child_process').exec,
 	cyclic = require('./cyclic'),
-	graphviz = require('graphviz'),
-	g = graphviz.digraph('G');
+	graphviz = require('graphviz');
 
 /**
  * Set color on a node.
@@ -79,6 +78,8 @@ function createGraphvizOptions(opts) {
  * @param  {Function} callback
  */
 module.exports.image = function (modules, opts, callback) {
+	var g = graphviz.digraph('G');
+
 	checkGraphvizInstalled();
 
 	opts.imageColors = opts.imageColors || {};
@@ -115,7 +116,8 @@ module.exports.image = function (modules, opts, callback) {
  * @return {String}
  */
 module.exports.dot = function (modules) {
-	var nodes = {};
+	var nodes = {},
+		g = graphviz.digraph('G');
 
 	checkGraphvizInstalled();