Some optimizations to setEdge

jdrew1303 · Jul 14, 2015 · 9685135 · 9685135
1 parent 8faec95
commit 9685135
Showing 1 changed file with 8 additions and 7 deletions.
diff --git a/lib/graph.js b/lib/graph.js
@@ -352,18 +352,19 @@ Graph.prototype.setPath = function(vs, value) {
  */
 Graph.prototype.setEdge = function() {
   var v, w, name, value,
-      valueSpecified = false;
+      valueSpecified = false,
+      arg0 = arguments[0];
 
-  if (_.isPlainObject(arguments[0])) {
-    v = arguments[0].v;
-    w = arguments[0].w;
-    name = arguments[0].name;
+  if (typeof arg0 === "object" && arg0 !== null && "v" in arg0) {
+    v = arg0.v;
+    w = arg0.w;
+    name = arg0.name;
     if (arguments.length === 2) {
       value = arguments[1];
       valueSpecified = true;
     }
   } else {
-    v = arguments[0];
+    v = arg0;
     w = arguments[1];
     name = arguments[3];
     if (arguments.length > 2) {
@@ -475,7 +476,7 @@ Graph.prototype.nodeEdges = function(v, w) {
 };
 
 function incrementOrInitEntry(map, k) {
-  if (_.has(map, k)) {
+  if (map[k]) {
     map[k]++;
   } else {
     map[k] = 1;