fix(CLuster): group method brok in the case when reached a leaf

mljs · Aug 31, 2016 · b09148f · b09148f
1 parent 0e2a41a
commit b09148f
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Showing 2 changed files with 8 additions and 4 deletions.
diff --git a/.travis.yml b/.travis.yml
@@ -1,5 +1,6 @@
 language: node_js
 node_js:
-  - "4"
-  - "6"
-  - "stable"
+  - 4
+  - 5
+  - stable
+sudo: false
diff --git a/src/Cluster.js b/src/Cluster.js
@@ -46,7 +46,10 @@ Cluster.prototype.group = function (minGroups) {
     var aux;
     while (list.length < minGroups && list.length !== 0) {
         aux = list.shift();
-        list = list.concat(aux.children);
+        if (aux.children)
+            list = list.concat(aux.children);
+        else
+            list.push(aux);
     }
     if (list.length === 0) throw new RangeError('Number of groups too big');
     for (var i = 0; i < list.length; i++)